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WO2024162579A1 - Appareil électroménager - Google Patents

Appareil électroménager Download PDF

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Publication number
WO2024162579A1
WO2024162579A1 PCT/KR2023/019379 KR2023019379W WO2024162579A1 WO 2024162579 A1 WO2024162579 A1 WO 2024162579A1 KR 2023019379 W KR2023019379 W KR 2023019379W WO 2024162579 A1 WO2024162579 A1 WO 2024162579A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
guide plate
light guide
frame
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2023/019379
Other languages
English (en)
Korean (ko)
Inventor
예다한
김대일
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020230014121A external-priority patent/KR20240121465A/ko
Priority claimed from KR1020230014120A external-priority patent/KR20240121464A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2024162579A1 publication Critical patent/WO2024162579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00—Lighting arrangements

Definitions

  • the present invention relates to a home appliance.
  • home appliances are placed indoors and can be placed to blend in with the surrounding space.
  • a panel forming the appearance can be provided on the front of the home appliance.
  • U.S. Patent No. 8,789,900 discloses a structure in which a decorative panel forming an exterior appearance is mounted on the front of the refrigerator door.
  • this refrigerator has a problem in that the entire decorative panel must be replaced if the user wants to change the exterior appearance.
  • Korean Patent No. 10-2018-0067382 discloses a refrigerator having a light guide plate installed inside the door and an LED installed below the light guide plate to irradiate light toward the front of the door.
  • this structure requires a structure to secure both sides of the light guide plate while spacing the light guide plate and the panel, which causes problems in that the formability and assembling properties of the structure itself are poor.
  • An embodiment of the present invention aims to provide a home appliance capable of making the entire front surface of a panel shine with uniform brightness.
  • An embodiment of the present invention aims to provide a home appliance capable of simultaneously fixing a panel and a light guide plate with a simple structure having improved formability and assembling properties.
  • An embodiment of the present invention aims to provide a home appliance that can uniformly light without causing shading at the outermost end of the panel.
  • a home appliance comprises: a cabinet having a storage space formed therein; a door for opening and closing the storage space; and a panel assembly mounted on a front surface of the door, wherein the panel assembly comprises: a panel forming a front exterior surface of the door and through which light is transmitted; a light guide plate disposed at a rear surface of the panel and guiding light toward the panel; a lighting device irradiating light toward the light guide plate; an upper bracket disposed above the panel and forming an upper surface of the panel assembly; a back cover disposed at a rear surface of the light guide plate and forming a rear surface of the panel assembly; and a frame in contact with the panel and supporting the light guide plate; wherein the frame comprises a pair of side frames into which both side ends of the light guide plate are inserted, and an upper frame disposed above the light guide plate.
  • the side frame is disposed between the panel and the light guide plate, and includes a first portion that comes into contact with the rear surface of the panel, and a first inclined portion that extends from one end of the first portion in a direction in which the light guide plate is disposed, wherein the first portion and the light guide plate maintain a state of being spaced apart from each other in the front-back direction, and an outer end of the first inclined portion can be extended to come into contact with the light guide plate.
  • the side frame may include a second part disposed behind the light guide plate to form a rear surface, and a third part connecting the first part and the second part and disposed on both sides of the light guide plate.
  • the above back cover may include a first step portion formed with an end portion having both side ends bent forward, the second portion arranged to be in contact with the back cover, and into which the end portion is inserted.
  • the upper frame may include a first part fixed to the panel, a second part bent rearwardly from the first part and fixed to the upper bracket, and a second inclined portion extending from the lower end of the first part in a direction in which the light guide plate is arranged and having an end positioned to contact the light guide plate.
  • the above first part and the light guide plate are maintained spaced apart in the front-back direction, and the above second part may include an upper step portion provided so that the front end and the rear end are stepped from each other.
  • the upper bracket may include an upper portion extended to contact the upper end of the panel, and an extension portion extended downward from the upper portion to support the rear of the light guide plate.
  • the above panel assembly includes a lower bracket that supports the lower end of the panel, and the lower bracket has a space formed to accommodate the lighting device, and a light guide plate support portion that protrudes rearward along the front end of the lower bracket to support the lower end of the light guide plate.
  • the above frame may further include a front frame formed to have a smaller size than the panel and positioned between the panel and the light guide plate.
  • the above front frame and the above side frame can be arranged so that at least a portion thereof overlaps in one direction.
  • the side frame may include a first portion forming a front surface and in contact with the panel, a second portion positioned behind the light guide plate and in contact with the back cover, and a third portion connecting the first portion and the second portion.
  • the above side frame may include a first step portion that extends in a stepwise manner from the first portion and comes into contact with the front frame.
  • the two side ends of the above light guide plate can be placed in the space between the first part and the second part.
  • the above front frame includes a front side and a frame portion formed in steps along the perimeter of the front side, and the first portion can be positioned between the panel and the frame portion.
  • the upper frame may include a first part in contact with the panel, a second part extending rearwardly from the first part, and a third part extending downwardly from the rear end of the second part.
  • the home appliance according to the proposed embodiment can be expected to have the following effects.
  • the color of the panel can be changed to a color selected by the user. Accordingly, there is an advantage in that the front color of the home appliance can be changed to a desired color without replacing the panel.
  • a frame into which both sides of a light guide plate are inserted is provided, and the frame is fixed to the panel, so that there is an advantage in that the panel and the light guide plate can be supported with a simple structure.
  • Figure 1 is a front view of a refrigerator according to an embodiment of the present invention.
  • Figure 2 is a front view with the refrigerator door open.
  • Figure 3 is a perspective view of the door.
  • Figure 4 is an exploded perspective view showing the panel assembly constituting the door and the door body separated.
  • Figure 5 is an exploded perspective view of the panel assembly viewed from the front.
  • Figure 6 is an exploded perspective view of the panel assembly viewed from the rear.
  • Figure 7 is a perspective view of the side frame, which is a component of the panel assembly, viewed from the front.
  • Figure 8 is a cross-sectional view taken along line 8-8' of Figure 4.
  • Figure 9 is an exploded perspective view showing the joint structure of the frame, upper bracket, and back cover, which are components of the panel assembly.
  • Figure 10 is a cutaway perspective view showing the panel assembly in a combined state.
  • Figure 11 is an exploded perspective view of the lower bracket, lighting device, and light supporter, which are components of the panel assembly.
  • Figure 12 is a cutaway perspective view taken along line 12-12' of Figure 4.
  • FIG. 13 is an exploded perspective view from the front of a panel assembly according to another embodiment of the present invention.
  • Figure 14 is a perspective view of the side frame, which is a component of the panel assembly, viewed from the front.
  • Figure 15 is a perspective view of the front frame, which is a component of the panel assembly, viewed from the front.
  • Figure 16 is a cross-sectional view illustrating the joint relationship of each component of the panel assembly.
  • Figure 17 is a cross-sectional view illustrating the joint relationship of each component of the panel assembly.
  • Figure 18 is an exploded perspective view of the panel assembly viewed from the front.
  • Figure 19 is an exploded perspective view of the panel assembly viewed from the rear.
  • Figure 20 is a perspective view of the side frame, which is a component of the panel assembly, viewed from the front.
  • Fig. 21 is a cross-sectional view of another embodiment of 8-8' of Fig. 4.
  • Figure 22 is a perspective view of the upper frame, which is a component of the panel assembly, viewed from the front.
  • Figure 23 is an exploded perspective view showing the joint structure of the frame, upper bracket, and back cover, which are components of the panel assembly.
  • Figure 24 is a perspective view from the front showing the panel assembly assembled.
  • Figure 25 is a cutaway perspective view taken along line 25-25' of Figure 24.
  • Figure 26 is an exploded perspective view of the lower bracket, lighting device, and light supporter, which are components of the panel assembly.
  • Figure 27 is a longitudinal cross-sectional view of a panel assembly to explain the joint structure between each component of the panel assembly.
  • Figure 28 is a block diagram showing the flow of control signals of a refrigerator.
  • Figure 29 is a front view showing the front exterior of the refrigerator with the lighting device turned on.
  • Figure 30 is a drawing showing an example of controlling the color of home appliances to which a panel assembly is applied using a remote device.
  • the direction toward the door based on the cabinet shown in FIG. 2 can be defined as front
  • the direction toward the cabinet based on the door can be defined as rear
  • the direction toward the floor surface on which the refrigerator is installed can be defined as downward
  • the direction away from the floor surface can be defined as upward.
  • Fig. 1 is a front view of a refrigerator according to an embodiment of the present invention.
  • Fig. 2 is a front view with the refrigerator door open.
  • a refrigerator (1) includes a cabinet (10) forming a storage space and a door (20) for opening and closing the storage space of the cabinet (10).
  • the cabinet (10) can form a storage space divided into upper and lower sections, and a refrigerator (11) can be formed at the upper section and a freezer (12) can be formed at the lower section.
  • the refrigerator (11) can be called the upper storage space
  • the freezer (12) can be called the lower storage space.
  • the door (20) may be configured to open and close the refrigerator (11) and the freezer (12), respectively.
  • the door (20) is rotatably mounted on the cabinet (10) by a hinge device (204, 205), so that the refrigerator (11) and the freezer (12) can be opened and closed, respectively.
  • the door (20) may also have a structure that opens and closes by pulling in and out.
  • the door (20) may include a refrigerator door (201) for opening and closing the refrigerator (11) and a freezer door (202) for opening and closing the freezer (12).
  • the refrigerator door (201) may be called an upper door
  • the freezer door (202) may be called a lower door.
  • the refrigerator door (201) may be arranged in a pair, including a left refrigerator door (201a) and a right refrigerator door (201b).
  • the freezer door (202) may be arranged in a pair, including a left freezer door (202a) and a right freezer door (202b).
  • a refrigerator having a structure in which the refrigerator compartment (11) is positioned at the top and the freezer compartment (12) is positioned at the bottom is described as an example, but the present invention is not limited to the shape of the refrigerator and can be applied to all types of refrigerators equipped with doors.
  • the door (20) may have a structure in which the front side can be selectively illuminated, and may be configured to shine with a set color or brightness. Accordingly, the user can change the color or brightness of the front side of the door (20), thereby changing the overall appearance of the refrigerator (1).
  • the left refrigerator door (201a) will be described as a reference, and other doors may also have the same structure.
  • Figure 3 is a perspective view of the door.
  • Figure 4 is an exploded perspective view showing the panel assembly constituting the door and the door body separated.
  • a door (20) may include a door body (40) and a panel assembly (30) forming the front exterior of the door (20).
  • the door body (40) may include a body plate (41) forming the front and a door liner (42) forming the rear.
  • the door body (40) may include a side deco (44) forming both left and right sides.
  • the side deco (44) may connect the left and right sides of the body plate (41) and the door liner (42).
  • the door body (40) may include an upper cap deco (43) and a lower cap deco (45) forming the upper and lower surfaces of the door body (40).
  • the space inside the door body (40) may be filled with an insulating material.
  • the opened upper cap deco (43) may be shielded by a deco cover (46).
  • a panel assembly (30) may be mounted on the front of the door body (40).
  • the side deco (44) may be in contact with both ends of the panel assembly (30).
  • the panel assembly (30) can form the front exterior of the door (20) when mounted on the front of the door body (40).
  • the panel assembly (30) can also be called a door panel or an exterior panel.
  • the panel assembly (30) can be detachably mounted on the door body (40).
  • the panel assembly (30) can be formed with an upper protrusion (343) and a lower protrusion (473) protruding rearward.
  • An upper mounting portion (431) and a lower mounting portion (451) can be formed on the front of the door body (40).
  • the upper protrusion (343) is inserted into the upper mounting portion (431), and the lower protrusion (473) is inserted into the lower mounting portion (451), so that the panel assembly (30) can be fixed at the top and bottom to the door body (40).
  • the panel assembly (30) may further include a lower deco (47). It may be joined to the lower side of the lower bracket (35) to cover the lower bracket (35).
  • Figure 5 is an exploded perspective view of the panel assembly as seen from the front.
  • Figure 6 is an exploded perspective view of the panel assembly as seen from the rear.
  • the panel assembly (30) includes a panel (31) forming a front appearance, a lighting device (36) that irradiates light to cause the panel (31) to shine, and a light guide plate (33) that guides the light irradiated from the lighting device (36).
  • the panel assembly (30) may further include an upper bracket (34) forming an upper surface and a lower bracket (35) forming a lower surface.
  • a lighting device (36) may be mounted on the lower bracket (35).
  • the panel assembly (30) may include a back cover (39) forming the rear surface.
  • the panel (31) may be formed of a material that allows light to pass through.
  • the panel (31) may be formed of a glass material or a plastic material such as ABS, PMMA, or PC.
  • the panel (31) may have a pattern or design printed on it so that it has a specific color. When the lighting device (36) is turned off, the color of the front of the door (20) may be expressed by the color of the panel (31). In addition, the panel (31) may be configured so that the light of the lighting device (36) is transmitted through it, but the components behind the panel (31) are not illuminated.
  • This panel (31) may be formed smaller than the size of the light guide plate (33). In this case, the panel (31) may be made to shine brightly throughout without being partially darkened. At least a portion of the rear surface of the panel (31) may be mounted on the frame (50).
  • the light guide plate (33) may be positioned at the rear, spaced apart from the panel (31).
  • the light guide plate (33) may be configured to guide light irradiated from the lighting device (36) forward toward the panel (31).
  • the light guide plate (33) may have a diffusion agent added thereto to allow light incident on the light guide plate (33) to be diffused, or a pattern formed for diffusion of light may be formed.
  • the light guide plate (33) may have a width smaller than the left-right width of the panel (31) and a length longer than the vertical length of the panel (31) so that it can be mounted on the frame (50).
  • the light guide plate (33) can be fixed to the lower bracket (35) with the lower end supported by the frame (50) so as to maintain a certain distance from the panel (31).
  • the light guide plate (33) can be supported from the rear by the back cover (39).
  • the panel (31) and the light guide plate (33) can be supported by a frame (50).
  • the panel (31) is fixed to the front of the frame (50), and an end of the light guide plate (33) is inserted into the frame (50), so that the panel (31) and the light guide plate (33) can maintain a certain distance.
  • the frame (50) includes a front frame (59) and a side frame (51).
  • the front frame (59) may be formed to have a smaller size than the panel (31) or the light guide plate (33).
  • the front frame (59) may be fixed to the rear of the panel (31).
  • the front of the side frame (51) can be fixed to the rear of the panel (31). A part of the front of the side frame (51) can be in contact with the rear of the front frame (59).
  • both ends of the light guide plate (33) can be inserted into the side frame (51).
  • the frame (50) may further include an upper frame (56).
  • the upper frame (56) may be fixed to the rear of the panel (31) with the upper end of the light guide plate (33) inserted.
  • An upper bracket (34) may be provided at the top of the panel assembly (30).
  • the upper bracket (34) may be combined with the upper frame (56) and the back cover (39).
  • the upper bracket (34) may support the upper frame (56) from the rear.
  • the upper bracket (34) can support the upper part of the light guide plate (33) from the rear when combined with the back cover (39).
  • a lower bracket (35) may be provided at the bottom of the panel assembly (30).
  • the lower bracket (35) may form the lower surface of the panel assembly (30).
  • the lower bracket (35) may be combined with the panel (31) while supporting the lower surface of the light guide plate (33).
  • the lower bracket (35) may form a structure combined with the back cover (39).
  • a lighting device (36) can be mounted on the lower bracket (35).
  • the lighting device (36) is provided inside the lower bracket (35) and can irradiate light toward the light guide plate (33).
  • the light guide plate (33) is fixed to the left and right sides by a frame (50), and the upper and lower ends can be supported by an upper bracket (34) and a lower bracket (35), respectively.
  • the back cover (39) forms the rear of the panel assembly (30) and can be combined with the upper bracket (34) and the lower bracket (35).
  • the cover perimeter (392) forming the perimeter of the back cover (39) can be fastened with a number of screws along the top and bottom.
  • the screws can penetrate the back cover (39) and be fastened to the upper bracket (34) and the lower bracket (35) so that the back cover (39) can be fixedly mounted.
  • a cover opening (394) through which a panel holder (38) passes may be formed on both sides of the back cover (39).
  • the panel holder (38) may be provided in multiple numbers by protruding rearward from both left and right sides of the rear of the panel assembly (30).
  • the panel holder (38) may pass through the cover opening (394) and be combined with a holder case (48) formed on the door body (40). With this structure, the panel assembly (30) may be mounted in close contact with the front of the door body (40) as much as possible.
  • Fig. 7 is a perspective view of the side frame, which is a component of the panel assembly, seen from the front.
  • Fig. 8 is a cross-sectional view taken along line 8-8' of Fig. 4.
  • the frame (50) may be provided independently of the front frame (59), the side frame (51), and the upper frame (56).
  • each component forming the frame (50) may be formed by injection or extrusion using a plastic resin material.
  • a panel (31) can be mounted on the front based on the frame (50), and a light guide plate (33) can be mounted on the rear.
  • the frame (50) includes a front frame (59) positioned on the front of the light guide plate (33), a pair of side frames (51) positioned on each side of the light guide plate (33), and an upper frame (56) positioned on the upper side of the light guide plate (33).
  • the frame (50) is divided into a front frame (59), a side frame (51), and an upper frame (56), and has a structure that supports the light guide plate (33) and the panel (31).
  • a frame (50) formed integrally with a size corresponding to that of the light guide plate (33) may be provided between the light guide plate (33) and the panel (31).
  • the size of the frame (50) becomes relatively large, the surface may not be uniform during the extrusion forming process for manufacturing the frame (50), resulting in uneven quality.
  • the frame (50) by dividing the frame (50) into a front frame (59), a side frame (51), and an upper frame (56), there is an advantage in that the dimensional stability and thermal deformation of the frame (50) can be improved.
  • the front frame (59) is formed in a square plate shape and can be formed of a material that can transmit light from the lighting device (36).
  • a front frame (59) may be provided between the panel (31) and the light guide plate (33). At least a portion of the rear surface of the front frame (59) may be arranged to be in contact with the side frame (51).
  • the front frame (59) may be fixed by a first step (521) provided on the side frame (51).
  • the front frame (59) may be arranged to be spaced apart from the light guide plate (33) by the side frame (51).
  • the upper part of the front frame (59) is formed to be in contact with the upper frame (56), and the lower part of the front frame (59) can be supported by being positioned to be in contact with the lower bracket (35).
  • the side frame (51) includes a first side frame (51a) arranged on one side of the light guide plate (33) and a second side frame (51b) arranged on the other side of the light guide plate (33).
  • the first side frame (51a) and the second side frame (51b) may be formed in a structure that is symmetrical to each other.
  • the side frame (51) enables the panel (31) and the light guide plate (33) to be kept spaced from each other.
  • the side frame (51) can fix the position of the front frame (59).
  • the side frame (51) may include a first portion (52) forming a front side and in contact with the panel (31), a second portion (53) forming a rear side and in contact with the back cover (39), and a third portion (54) connecting the first portion (52) and the second portion (53) to form a side side.
  • the first portion (52) may also be referred to as the front side of the side frame (51)
  • the second portion (53) may also be referred to as the rear side of the side frame (51)
  • the third portion (54) may also be referred to as the side side of the side frame.
  • the first part (52) can be placed between the panel (31) and the light guide plate (33).
  • the first part (52) can be extended along the direction in which the panel (31) extends vertically.
  • the adhesive member (60) can be applied from one end of the first portion (52) to the other end.
  • the first portion (52) to which the adhesive member (60) is applied can be adhered to and fixed to the rear surface of the panel (31).
  • the first portion (52) can further include a protrusion (522) formed on one surface to which the adhesive member (60) is applied.
  • the protrusions (522) may protrude from the first portion (52) toward the panel (31).
  • the protrusions (522) may be formed as a pair at both sides of the first portion (52).
  • An adhesive member (60) may be applied between the pair of protrusions (522).
  • the adhesive member (60) applied by the protrusions (522) may be prevented from flowing to a portion other than the first portion (52).
  • a first step portion (521) may be provided in the first part (52).
  • the first step portion (521) may be formed to be stepped by being sunken from the front side of the first part (52) to the rear side.
  • the first step (521) can be arranged on both sides of the front frame (59).
  • the front frame (59) and the light guide plate (33) can be kept spaced apart by the first step (521).
  • the first step (521) and the front frame (58) can be arranged to overlap in the front-back direction.
  • the panel assembly (30) can be arranged so that the panel (31), the front frame (59), the first step (521), and the light guide plate (33) overlap in one direction. With this structure, the boundary between the side frame (51) and the front frame (59) can be prevented from being seen from the front of the panel (31).
  • the first part (52) and the two side ends of the front frame (59) can be positioned apart from each other. In this case, the boundary line that occurs when the first part (52) and the front frame (59) come into contact with each other can be prevented from being recognized in front of the panel (31).
  • the second part (53) may be formed spaced apart from the first part (52) toward the back cover (39).
  • the second part (53) may be in contact with at least a portion of the back surface of the light guide plate (33).
  • the second part (53) may have a structure that is coupled with the back cover (39).
  • the second part (53) may be arranged between the back cover (39) and the light guide plate (33). Since the second part (53) forms the back surface of the side frame (51), it may be called a back surface.
  • a second step portion (531) may be provided in the second part (53).
  • the second step portion (531) may be provided by being bent rearward from one end of the second part (53).
  • the rear surface of the second step portion (531) may be in contact with the back cover (39).
  • a panel holder (38) may be arranged in the second step portion (531).
  • the panel holder (38) may be arranged at the rear of the light guide plate (33) and may be combined with the back cover (39).
  • the back cover (39) may be provided with a folded portion (391) in which both sides are folded forward.
  • This folded portion (391) may extend forward and come into contact with the second portion (53). That is, the back cover (39) may be arranged in contact with one side end of the second portion (53) while in contact with the second step portion (531).
  • the third portion (54) can extend from the rear of the panel (31) to the front of the back cover (39).
  • the third portion (54) can support the side of the light guide plate (33). It can form the side of the side frame (51).
  • the third portion (54) can be called a side portion.
  • a light guide plate insertion space (55) can be formed by the first part (52), the second part (53), and the third part (54).
  • the third portion (54) can be formed to protrude further forward than the light guide plate (33) from the back cover (39). At this time, the first portion (52) can be maintained in a state separated from the light guide plate (33).
  • the upper frame (56) is configured so that the front is in contact with the upper part of the panel (311) and can support the light guide plate (33) from the rear.
  • the upper frame (56) can be mounted on the upper bracket (34).
  • the upper frame (56) includes a first part (561) arranged to be in contact with the panel (31), a second part (562) bent rearwardly from the first part (561), and a third part (563) bent downwardly from the rear end of the second part (562).
  • the first part (561) can form the front of the upper frame (56)
  • the second part (562) can form the upper surface of the upper frame (56)
  • the third part (563) can form the rear surface of the upper frame (56).
  • the first part (561) may be formed to be inclined from the top to the bottom of both sides toward the center of the panel (31).
  • the upper part of the first part (52) of the side frame (51) may also be formed in a shape corresponding to the first part (561).
  • the first part (561) may be provided with a third step (561a).
  • the third step (561a) may be formed by recessing backward from the bottom of the first part (561).
  • the third step (561a) may be formed to be in contact with the front frame (59).
  • One end of the third step (561a) may be formed spaced apart from the top of the front frame (59).
  • the end of the third step (561a) may be positioned to overlap the top of the front frame (59) in the front-back direction.
  • the panel assembly (30) can be arranged so that the panel (31), the front frame (59), the third step (561a), and the light guide plate (33) overlap in one direction.
  • the first part (561) is joined to the panel (31) by the adhesive member (60), and the third step portion (561a) can support the front frame (59) from the rear.
  • the front frame (59) and the light guide plate (33) can be kept spaced apart from each other by the third step portion (561a).
  • the boundary line between each component can be prevented from being recognized from the front of the panel (31).
  • the second part (562) can be extended along the horizontal direction of the panel (31).
  • the second part (562) can be combined with the upper bracket (34).
  • the second part (58) and the upper bracket (34) can be fixed to each other by an adhesive material.
  • the second part (58) and the upper bracket (34) can be fixed to each other by a heat-melting or ultrasonic-melting method.
  • the rear end (582) and the front end (581) can be formed to be stepped from each other so as to be fixed more firmly.
  • An insertion space (56a) into which the upper part of the light guide plate (33) is inserted can be formed between the first part (561) and the third part (563). With this structure, the upper part of the light guide plate (33) can be supported.
  • the rear of the third part (563) can be combined with the upper bracket (34).
  • Fig. 9 is an exploded perspective view showing the combined structure of the frame, upper bracket, and back cover, which are components of the panel assembly.
  • Fig. 10 is a cut-away perspective view showing the state in which the panel assembly is combined.
  • the upper bracket (34) can be formed with a length corresponding to the left and right direction length of the panel assembly (30).
  • the upper bracket (34) can form the upper surface of the panel assembly (30).
  • the upper bracket (34) may include an upper surface (342) and an extension portion (341) extending downward from the upper surface (342).
  • the upper surface (342) can be extended to contact the upper end of the panel (31).
  • the upper frame (56) can be fixedly mounted to the upper surface (342).
  • the upper frame (56) can be fixed to the lower surface of the upper surface (342) by an adhesive material or a heat or ultrasonic welding method.
  • the extension (341) is formed parallel to the panel (31) and the light guide plate (33) and can extend in the vertical direction.
  • the extension (341) is arranged between the light guide plate (33) and the back cover (39) and can support the upper part of the light guide plate (33) from the rear.
  • the extension (341) has a structure in which the upper bracket (34) and the back cover (39) can be coupled to each other.
  • an upper protrusion (343) protruding rearward may be formed on the back of the extension (341).
  • the upper protrusion (343) may protrude by penetrating the protrusion opening (393) of the back cover (39).
  • a plurality of bracket screw holes (345) for screw fastening may be formed in the extension (341).
  • a cover screw hole (345) may be provided in the back cover (39) at a position corresponding to the bracket screw hole (345). When the back cover (39) is mounted, the screw may be fastened by sequentially passing through the cover screw hole (345) and the bracket screw hole (345).
  • the upper bracket (34) can be combined with the back cover (39) while being combined with the upper frame (56) on the lower side.
  • the upper bracket (34) can support the rear of the light guide plate (33) while being combined with the back cover (39).
  • the upper frame (56) can be connected to the front panel (31) while being mounted on the upper bracket (34). At this time, the first part (561) of the upper frame (56) is provided with an adhesive member (60) so that it can be fixed to the upper part of the panel (31).
  • Fig. 11 is an exploded perspective view of the lower bracket, lighting device, and light supporter, which are components of the panel assembly.
  • Fig. 12 is a cutaway perspective view taken along line 12-12' of Fig. 4.
  • the lower bracket (35) may have a length corresponding to the length in the left and right directions of the panel assembly (30).
  • the lower bracket (35) may include a lower bracket front portion (351), a lower bracket rear portion (352), a lower bracket side portion (353), and a lower bracket lower portion (354).
  • a panel support member (351a) is formed on the upper part of the front part (351) of the lower bracket so that the lower part of the panel (31) can be supported.
  • the panel support member (351a) protrudes upwards further than the upper part of the light source of the lighting device (36), so as to prevent the lighting device (36) from being exposed to the front of the panel (31).
  • the lower bracket rear part (352) supports the light guide plate (33) from the rear and can be combined with the back cover (39).
  • a lower bracket screw hole (345) to which a plurality of screws are fastened can be formed on the lower bracket rear part (352). When the back cover (39) is mounted, the screws can be fastened so that they sequentially pass through the cover screw hole (345) of the back cover (39) and the lower bracket screw hole (345).
  • a bracket opening (352a) may be formed on the rear surface (352) of the lower bracket.
  • a lighting device (36) may be inserted and removed through the bracket opening (352a).
  • the bracket opening (352a) may be shielded by a back cover (39).
  • the lower bracket lower portion (354) can form the floor surface of the space where the lighting device (36) is mounted.
  • a light guide plate support member (355) that supports the lower end of the light guide plate (33) may be formed on the lower bracket (35).
  • a plurality of light guide plate support members (355) may protrude rearward at regular intervals along the front side (351) of the lower bracket.
  • the light guide plate support member (355) can be extended to restrain the lighting device (36) from above.
  • the light guide plate support member (355) and the lower bracket lower portion (354) can restrain the lighting device (36) from above and below, restraining the upward and downward movement of the lighting device (36).
  • a lighting device (36) may be provided inside the lower bracket (35).
  • the lighting device (36) may include a substrate (361) and a light source (362).
  • the substrate (361) may be formed in a plate shape that can be accommodated inside the lower bracket (35) and may extend from one end of the lower bracket (35) to the other end.
  • a plurality of light sources (362) may be arranged in series at regular intervals on the substrate (361).
  • the light source (362) may be composed of, for example, an RGB LED capable of emitting light of various colors according to the control of the control unit (13). Accordingly, the panel (31) can shine in a color set by the control unit (13). In addition, the color of the front exterior of the refrigerator (1) can be determined according to the color of the panel (31).
  • a light supporter (37) may be provided inside the lower bracket (35).
  • the light supporter (37) may support the lighting device (36) inside the lower bracket (35).
  • the light supporter (37) may be formed of a metal material to dissipate heat generated from the lighting device (36) through conduction.
  • the light supporter (37) may be formed to a size that allows it to be entered and exited through the bracket opening (352a).
  • the light supporter (37) may include a first supporting part (372) that supports the lighting device (36) and a second supporting part (371) that comes into contact with the back cover (39).
  • the second supporting part (371) is exposed to the rear through the bracket opening (352a) and can be in contact with the back cover (39). Accordingly, heat generated from the lighting device (36) can be transferred to the back cover (39) through the light supporter (37) and dissipated.
  • the light supporter (37) has an opening (37a) formed through which the connector (363) of the lighting device (36) can pass.
  • the connector (363) is electrically connected to the control unit, and the lighting device (36) can be controlled according to a signal from the control unit.
  • light irradiated from the LED (362) can be irradiated toward the bottom of the light guide plate (33).
  • Light incident through the bottom of the light guide plate (33) can be diffused and reflected along the light guide plate (33) and can move along the light guide plate (33).
  • the light guide plate (33) and the panel (31) can be maintained spaced apart at a set interval by the frame (50).
  • the frame (50) may include a diffuser that diffuses light.
  • the boundary between the frame (50) configurations can be prevented from being seen in front of the panel (31).
  • FIG. 13 is an exploded perspective view of a panel assembly according to another embodiment of the present invention, viewed from the front.
  • FIG. 14 is a perspective view of a side frame, which is a component of the panel assembly, viewed from the front.
  • FIG. 15 is a perspective view of a front frame, which is a component of the panel assembly, viewed from the front.
  • FIG. 16 is a cross-sectional view for explaining the coupling relationship of each component of the panel assembly.
  • FIG. 17 is a longitudinal cross-sectional view for explaining the coupling relationship of each component of the panel assembly.
  • a panel assembly (30') may include a second frame instead of the frame (50') described above.
  • the remaining components except for the frame (50'), that is, the panel (31), the light guide plate (33), the upper bracket (34), the lower bracket (35), the lighting device (36), and the back cover (39), are the same as the structure described above, and therefore, a duplicate description will be omitted.
  • a frame (50) according to another embodiment of the present invention includes a front frame (59'), a side frame (51'), and an upper frame (56').
  • the front frame (59') can be placed in the space between the panel (31) and the light guide plate (33) to form the front of the frame (50).
  • the front frame (59') may be formed to have a smaller size than the panel (31) or the light guide plate (33).
  • the lower end of the front frame (59') may be supported by the lower bracket (35), and the upper end may be supported by the upper frame (56').
  • the front (590) of the front frame (59') can be arranged so that the front is in contact with the panel (31) and the rear is in contact with the light guide plate (33).
  • the panel (31) and the light guide plate (33) can be maintained in a spaced state.
  • the front frame (59') may be provided with a rim portion (591) that is sunken from the front (590) to the rear and comes into contact with the side frame (51').
  • the rim portion (591) may be formed along the perimeter of the front frame (59').
  • An insertion space (59a) into which the side frame (51') may be inserted may be provided between the panel (31) and the rim portion (591).
  • the side frame (51') may be fixed to the panel (31) with the side end inserted into the insertion space (59a).
  • the upper part of the front frame (59') can be in contact with the upper frame (56) at the edge part (591).
  • An insertion space (59b) into which the upper frame (56) can be inserted can be provided between the panel (31) and the edge part (591).
  • the upper frame (56) can be fixed to the panel (31) while being inserted at the upper end of the insertion space (59b).
  • the edge part (591) and the side frame (51') can be arranged in a state of overlapping in the front-back direction. In this case, it is possible to prevent the boundary line from being recognized in front of the panel (31).
  • the side frame (51') includes a first side frame (51a) arranged on one side of the light guide plate (33) and a second side frame (51') arranged on the other side of the light guide plate (33).
  • the first side frame (51a') and the second side frame (51b') can be formed in a structure that is symmetrical to each other.
  • the side frame (51') may include a first part (52) forming a front side and in contact with the panel (31), a second part (53) forming a rear side and in contact with the back cover (39), and a third part (54) connecting the first part (52) and the second part (53) to form a side.
  • the first part (52) can be formed to extend vertically along both sides of the panel (31).
  • the first part (52) can be fixed to the panel (31) by an adhesive member (60).
  • the adhesive member (60) can be applied from one end of the first part (52) to the other end.
  • protrusions (522) can be formed on both sides of the first part (52) to prevent the adhesive member (60) from flowing to other parts than the first part (52).
  • the first part (52) can be placed on the edge (591) of the front frame (59') while being fixed to the panel (31).
  • a second step portion (531) may be provided in the second part (53).
  • the second step portion (531) may be provided by being bent rearward from one end of the second part (53).
  • the rear surface of the second step portion (531) may be in contact with the back cover (39).
  • the back cover (39) may be provided with a folded portion (391) that is folded forward on both sides.
  • the back cover (39) may be positioned so as to be in contact with one side end of the second part (53) while in contact with the second step portion (531).
  • An insertion groove (532) may be provided in the second part (53) for a space into which the folded portion (391) is inserted.
  • the upper frame (56') is configured so that the front is in contact with the upper part of the panel (31) and can support the upper part of the light guide plate (33) from the rear.
  • the upper frame (56) can be mounted on the upper bracket (34).
  • the upper frame (56') includes a first part (561) arranged to be in contact with the panel (31), a second part (562) bent rearwardly from the first part (561), and a third part (563) bent downwardly from the rear of the second part (562).
  • the front side of the first part (561) can be joined to the upper part of the panel (31) through an adhesive member (60).
  • the rear side of the first part (561) can be arranged to be in contact with the edge part (591).
  • the second part (562) can be joined to each other by an upper bracket (34), an adhesive member (60), a heat-melting method, etc.
  • a front frame (59') and a light guide plate (33) can be placed in the space between the first part (561) and the third part (563).
  • the third part (563) can support the upper part of the light guide plate (33) from the rear.
  • Figure 18 is an exploded perspective view of the panel assembly as seen from the front.
  • Figure 19 is an exploded perspective view of the panel assembly as seen from the rear.
  • the panel assembly (130) includes a panel (131) forming a front appearance, a lighting device (136) that irradiates light to cause the panel (131) to shine, and a light guide plate (133) that guides the light irradiated from the lighting device (136).
  • the panel assembly includes a frame (150) on which the panel (131) and the light guide plate (133) are mounted.
  • the panel assembly (130) may further include an upper bracket (134) forming an upper surface and a lower bracket (135) forming a lower surface.
  • a lighting device (136) may be mounted on the lower bracket (135).
  • the panel assembly (130) may include a back cover (139) forming a rear surface.
  • the panel (131) may be formed of a material that allows light to pass through.
  • the panel (131) may be formed of a glass material or a plastic material such as ABS, PMMA, or PC.
  • the panel (131) may have a pattern or design printed on it so that it has a specific color. When the lighting device (136) is turned off, the color of the front of the door (120) may be expressed by the color of the panel (131). In addition, the panel (131) may be configured so that the light of the lighting device (136) is transmitted through it, but the components behind the panel (131) are not illuminated.
  • the panel (131) may be formed smaller than the size of the light guide plate (133). In this case, the panel (131) may be made to shine brightly throughout without being partially darkened. At least a portion of the rear surface of the panel (131) may be mounted on the frame (150).
  • the light guide plate (133) may be positioned at the rear, spaced apart from the panel (131).
  • the light guide plate (133) may be configured to guide light irradiated from the lighting device (136) forward toward the panel (131).
  • the light guide plate (133) may have a diffusion agent added thereto to allow light incident on the light guide plate (133) to be diffused, or a pattern formed for diffusion of light may be formed.
  • the light guide plate (133) may have a width smaller than the left-right width of the panel (131) and a length longer than the vertical length of the panel (131) so that it can be mounted on the frame (150).
  • the light guide plate (133) can be fixed to the lower bracket (135) with the lower end supported by the frame (150) to maintain a certain distance from the panel (131).
  • the light guide plate (133) can be supported from the rear by the back cover (139).
  • the panel (131) and the light guide plate (133) can be supported by a frame (150).
  • the panel (131) is fixed to the front of the frame (150), and an end of the light guide plate (133) is inserted into the frame (150), so that the panel (131) and the light guide plate (133) can maintain a certain distance.
  • the frame (150) includes a side frame (151).
  • the front of the side frame (151) is fixed to the rear of the panel (131), and both ends of the light guide plate (133) can be inserted into the side frame (151).
  • the frame (150) may further include an upper frame (156).
  • the upper frame (156) may be fixed to the rear of the panel (131) with the upper end of the light guide plate (133) inserted.
  • An upper bracket (134) may be provided at the top of the panel assembly (130).
  • the upper bracket (134) may be combined with an upper frame (156) and a back cover (139).
  • the upper bracket (134) can support the upper part of the light guide plate (133) from the rear when combined with the back cover (139).
  • a lower bracket (135) may be provided at the bottom of the panel assembly (130).
  • the lower bracket (135) may form the lower surface of the panel assembly (130).
  • the lower bracket (135) may be combined with the panel (131) while supporting the lower surface of the light guide plate (133).
  • the lower bracket (135) may form a structure combined with the back cover (139).
  • a lighting device (136) may be mounted on the lower bracket (135).
  • the lighting device (136) is provided inside the lower bracket (135) and can irradiate light toward the light guide plate (133).
  • the light guide plate (133) is fixed to the left and right sides by a frame (150), and the upper and lower ends can be supported by an upper bracket (134) and a lower bracket (135), respectively.
  • the back cover (139) forms the rear of the panel assembly (130) and can be combined with the upper bracket (134) and the lower bracket (135).
  • the cover perimeter (1392) forming the perimeter of the back cover (139) can be fastened with a plurality of screws along the top and bottom. The screws can penetrate the back cover (139) and be fastened to the upper bracket (134) and the lower bracket (135) so that the back cover (139) can be fixedly mounted.
  • a cover opening (1394) through which a panel holder (138) passes may be formed on both sides of the back cover (139).
  • the panel holder (138) may be provided in multiple numbers by protruding rearward from both left and right sides of the rear of the panel assembly (130).
  • the panel holder (138) may pass through the cover opening (1394) and be combined with a holder case (148) formed on the door body (140). With this structure, the panel assembly (130) may be mounted in close contact with the front of the door body (140) as much as possible.
  • Fig. 20 is a perspective view of the side frame, which is a component of the panel assembly, viewed from the front.
  • Fig. 21 is a cross-sectional view of another embodiment of 8-8' of Fig. 4.
  • the frame (150) can be formed entirely by injection or extrusion using a plastic resin material.
  • a panel (131) can be mounted on the front side of the frame (150), and a light guide plate (133) can be mounted on the rear side.
  • the frame (150) includes a pair of side frames (151) arranged on each side of the light guide plate (133) and an upper frame (156) arranged on the upper side of the light guide plate (133).
  • the frame (150) has a structure in which the side frames (151) and the upper frame (156) are each independently provided to support the light guide plate (133) and the panel (131).
  • a frame (150) formed integrally with a size corresponding to that of the light guide plate (133) may be provided between the light guide plate (133) and the panel (131).
  • the size of the frame (150) becomes relatively large, the surface may not be uniform during the extrusion forming process for manufacturing the frame (150), resulting in uneven quality.
  • deformation may occur due to temperature changes caused by the coefficient of linear expansion, and thus the extrusion may not be uniformly bonded to the panel (131).
  • the frame (150) is divided into a side frame (151) and an upper frame (156) and configured independently, thereby having the advantage of improving the dimensional stability and thermal deformation of the frame (150).
  • the frame (150) can fix the panel (131) and the light guide plate (133) only with the side frame (151) and the upper frame (156). Therefore, a configuration formed in a size corresponding to the panel (131) or the light guide plate (133) may not be required. In this case, the formability can be improved because a large extrusion or injection molding is not required.
  • a separate component may not be placed in the center of the space between the panel (131) and the light guide plate (133).
  • the light guided from the light guide plate (133) can directly pass through the panel (131) without interference from other components. Therefore, there is an advantage in that the clarity of the light passing through the panel (131) can be further improved.
  • the side frame (151) includes a first side frame (151a) arranged on one side of the light guide plate (133) and a second side frame (151b) arranged on the other side of the light guide plate (133).
  • the first side frame (151a) and the second side frame (151b) may be formed in a structure that is symmetrical to each other.
  • the side frame (151) may include a first portion (152) that comes into contact with the panel (131), a second portion (153) that comes into contact with the back cover (139), and a third portion (154) that connects the first portion (152) and the second portion (153).
  • the side frame (151) allows the panel (131) and the light guide plate (133) to be maintained in a spaced state from each other.
  • the first part (152) can be placed between the panel (131) and the light guide plate (133). Since the first part (152) forms the front surface of the side frame (151), it can be called a front surface.
  • the first part (152) may be a part to which an adhesive member (160) is applied so as to be fixed to the panel (131).
  • the adhesive member (160) may be applied from one end of the first part (152) to the other end.
  • the first part (152) to which the adhesive member (160) is applied may be fixed by being adhered to the back of the panel (131).
  • the first part (152) may further include a protrusion (1521) formed on one surface to which the adhesive member (160) is applied.
  • the protrusions (1521) may protrude from the first portion (152) toward the panel (131).
  • the protrusions (1521) may be formed as a pair at both sides of the first portion (152).
  • An adhesive member (160) may be applied between the pair of protrusions (1521).
  • the adhesive member (160) applied by the protrusions (1521) may be prevented from flowing to a portion other than the first portion (152).
  • the second part (153) may be formed spaced apart from the first part (152) toward the back cover (139).
  • the second part (153) may be in contact with at least a portion of the back surface of the light guide plate (133).
  • the second part (153) may have a structure that is coupled to the back cover (139).
  • the second part (153) may be arranged between the back cover (139) and the light guide plate (133). Since the second part (153) forms the back surface of the side frame (151), it may be called a back surface.
  • the second part (153) may be formed with a width corresponding to the left and right width of the first part (152) or with a smaller width.
  • the outer end of the second portion (153) may include a first step portion (1531) into which an end of the back cover (139) is inserted.
  • the inner end of the second portion (153) may include a second step portion (1532) provided to be stepped.
  • a bracket insertion space (1533) into which an upper bracket (134) or a lower bracket (135) is inserted may be provided by the second step portion (1532).
  • the third portion (154) may extend from the rear of the panel (131) to the front of the back cover (139).
  • the third portion (154) may support the side of the light guide plate (133). It may form the side of the side frame (151).
  • the third portion (154) may be referred to as a side portion.
  • a light guide plate insertion space (155) can be formed by the first part (152), the second part (153), and the third part (154).
  • the third portion (154) may be formed to protrude further forward than the light guide plate (133) from the back cover (139). At this time, the first portion (152) may be maintained in a state separated from the light guide plate (133).
  • the side frame (151) includes an inclined portion (1522) that extends obliquely from the first portion (152).
  • One end of the first portion (152) is connected to the third portion (154) to form an outer end of the side frame (151), and the other end of the first portion (152) may be located on the inner side toward the center of the panel (131).
  • the inclined portion (1522) formed in the side frame (151) may be referred to as a first inclined portion.
  • the first inclined portion (1522) may extend inwardly from the other end of the first portion (152) toward the center of the panel (131).
  • the first inclined portion (1522) may extend in a direction in which the light guide plate (133) is provided as it gets farther away from the other end of the first portion (152).
  • the first inclined portion (1522) may extend in a direction away from the panel (131) as it gets farther away from the other end of the first portion (152). That is, the end of the first inclined portion (1522) may be positioned closer to the light guide plate (133) than to the panel (131).
  • the end of the first inclined portion (1522) may be in contact with the light guide plate (133) to support the light guide plate (133).
  • the boundary line (1523) between the side frame (151) and the upper frame (156) can be formed at a position spaced rearward from the rear of the panel (131) by the first inclined portion (1522). Accordingly, the boundary line (1523) between the side frame (151) and the upper frame (156) can be prevented from being visible from the front of the panel (131).
  • the first inclined portion (1522) can prevent the first portion (152) to which the adhesive member (160) is applied from being visible from the front of the panel (131). Since the first portion (152) is in close contact with the rear surface of the panel (131), light irradiated from the lighting device (136) can pass through the panel (131) and expose the first portion (152) from the front of the panel (131).
  • the first inclined portion (1522) can alleviate the difference in shade between light passing through the panel (131) from the light guide plate (133) through the first portion (152) and light passing directly from the light guide plate (133) to the panel (131). Therefore, the side frame (151) can be prevented from being visible from the front of the panel (131).
  • Figure 22 is a perspective view of the upper frame, which is a component of the panel assembly, viewed from the front.
  • the upper frame (156) is configured so that the front is in contact with the upper part of the panel and can support the light guide plate (133) from the rear.
  • the upper frame (156) can be mounted on the upper bracket (134).
  • the upper frame (156) includes a first part (157) that comes into contact with the panel (131) and a second part (158) that is bent rearward from the first part (157).
  • the first part (157) may be formed to extend along the upper part of the panel (131).
  • the first part (157) forms the front side of the upper frame (156) and may also be referred to as the front side.
  • the first part (157) can be fixed by being adhered to the back of the panel (131) by applying an adhesive material (160).
  • the first part (157) can be arranged spaced apart from the light guide plate (133) in the front-back direction while in contact with the back of the panel (131).
  • the upper frame (156) includes an inclined portion (1571) that extends from one end of the first part (157) to be inclined.
  • the inclined portion (1571) provided on the upper frame (156) may be referred to as a second inclined portion.
  • the second inclined portion (1571) may be formed to extend from the bottom of the first part (157), but to be inclined in a direction away from the panel (131) as it goes downward.
  • the extended length of the second inclined portion (1571) may be formed to be shorter than the length of the first part (157).
  • the second inclined portion (1571) can extend rearwardly while being spaced apart from the panel (131) so that its end can come into contact with the light guide plate (133).
  • the second inclined portion (1571) has the advantage of being able to support the upper portion of the light guide plate (133).
  • the two side ends of the second inclined portion (1571) can be provided in a shape corresponding to the upper end of the first inclined portion (1522).
  • the first inclined portion (1522) and the second inclined portion (1571) can come into contact with each other.
  • the boundary line (1523) between the upper frame (156) and the side frame (151) can be formed at a position spaced rearward from the rear of the panel (131) by the second slope (1571). Accordingly, the boundary line (1523) between the side frame (151) and the upper frame (156) can be prevented from being visible from the front of the panel (131).
  • the second inclined portion (1571) can prevent the end of the panel (131) and the second part (158) from being visible from the front of the panel (131).
  • the second part (158) is in close contact with the rear surface of the panel (131), so that light irradiated from the lighting device (136) can pass through the second part (158) and be exposed from the front of the panel (131).
  • the second inclined portion (1571) can alleviate the difference in shade between the light passing through the second part (158) and the light directly passing through the panel (131) from the light guide plate (133). Therefore, the upper frame (156) can be prevented from being visible from the front of the panel (131).
  • the second part (158) may be formed by extending rearwardly from the upper portion of the first part (157).
  • the second part (158) may form the upper surface of the upper frame (156) and may also be referred to as the upper surface.
  • a light guide plate (133) may be arranged below the second part (158).
  • the first part (157) and the second part (158) may be provided with a structure that surrounds the light guide plate (133).
  • the second part (158) may be provided with an upper step (1583) that is provided so that the front end (1581) and the rear end (1582) are stepped.
  • the rear end (1582) may be positioned higher than the front end (1581).
  • the rear end (1582) may be provided with a shape corresponding to the front end (1581) and the rear end (1582) on the surface of the upper bracket (134) that comes into contact with the second part (158).
  • the second part (158) and the upper bracket (134) may be fixed to each other by an adhesive material.
  • the second part (158) and the upper bracket (134) may be fixed to each other by a heat-melting or ultrasonic-melting method.
  • the rear end (1582) and the front end (1581) may be formed to be stepped from each other so as to be fixed more firmly.
  • Fig. 23 is an exploded perspective view showing the combined structure of the frame, upper bracket, and back cover, which are components of the panel assembly.
  • Fig. 24 is a perspective view showing the panel assembly combined as seen from the front.
  • Fig. 25 is a cutaway perspective view taken along line 25-25' of Fig. 24.
  • the upper bracket (134) can be formed with a length corresponding to the left and right direction length of the panel assembly (130).
  • the upper bracket (134) can form the upper surface of the panel assembly (130).
  • the upper bracket (134) may include an upper surface (1342) and an extension (1341) extending downward from the upper surface (1342).
  • the upper surface (1342) may be extended to contact the upper end of the panel (131).
  • the upper frame (156) may be fixedly mounted to the upper surface (1342).
  • the upper frame (156) may be fixed to the lower surface of the upper surface (1342) by an adhesive material or a heat or ultrasonic welding method.
  • the extension (1341) is formed parallel to the panel (131) and the light guide plate (133) and can extend in the vertical direction.
  • the extension (1341) is positioned between the light guide plate (133) and the back cover (139) and can support the upper part of the light guide plate (133) from the rear.
  • the extension (1341) has a structure in which the upper bracket (134) and the back cover (139) can be coupled to each other.
  • an upper protrusion (1343) protruding rearward may be formed on the back of the extension (1341).
  • the upper protrusion (1343) may protrude by penetrating the protrusion opening (1393) of the back cover (139).
  • a plurality of bracket screw holes (1345) for screw fastening may be formed in the extension (1341).
  • a cover screw hole (1345) may be provided in the back cover (139) at a position corresponding to the bracket screw hole (1345). When the back cover (139) is mounted, the screw may be fastened by sequentially passing through the cover screw hole (1345) and the bracket screw hole (1345).
  • the upper bracket (134) can be combined with the back cover (139) while being combined with the upper frame (156) on the lower side.
  • the upper bracket (134) can support the rear of the light guide plate (133) while being combined with the back cover (139).
  • the upper frame (156) can be connected to the front panel (131) while being mounted on the upper bracket (134).
  • the first part (157) of the upper frame (156) is provided with an adhesive member (160) so that it can be fixed to the upper part of the panel (131).
  • the second inclined portion (1571) is formed from the panel (131) toward the light guide plate (133) as it extends downward, thereby supporting the light guide plate (133) from the front and fixing the upper part of the light guide plate (133).
  • Figure 26 is an exploded perspective view of the lower bracket, lighting device, and light supporter, which are components of the panel assembly.
  • Figure 27 is a longitudinal cross-sectional view of the panel assembly for explaining the joint structure between each component of the panel assembly.
  • the lower bracket (135) may have a length corresponding to the length in the left and right directions of the panel assembly (130).
  • the lower bracket (135) may include a lower bracket front portion (1351), a lower bracket rear portion (1352), a lower bracket side portion (1353), and a lower bracket lower portion (1354).
  • a panel support member (1351a) is formed at the upper end of the front portion (1351) of the lower bracket so that the lower end of the panel (131) can be supported.
  • the panel support member (1351a) protrudes upwards further than the upper end of the light source of the lighting device (136), thereby preventing the lighting device (136) from being exposed to the front of the panel (131).
  • the lower bracket rear part (1352) supports the light guide plate (133) from the rear and can be combined with the back cover (139).
  • a lower bracket screw hole (1345) to which a plurality of screws are fastened can be formed on the lower bracket rear part (1352). When the back cover (139) is mounted, the screws can be fastened so that they sequentially pass through the cover screw hole (1345) of the back cover (139) and the lower bracket screw hole (1345).
  • a bracket opening (1352a) may be formed in the rear portion (1352) of the lower bracket.
  • a lighting device (136) may be introduced and exited through the bracket opening (1352a).
  • the bracket opening (1352a) may be shielded by a back cover (139).
  • the lower bracket lower portion (1354) can form the floor surface of the space where the lighting device (136) is mounted.
  • a light guide plate support member (1355) that supports the lower end of the light guide plate (133) may be formed on the lower bracket (135).
  • a plurality of light guide plate support members (1355) may protrude rearward at regular intervals along the front side (1351) of the lower bracket.
  • the light guide plate support member (1355) can be extended to restrain the lighting device (136) from above.
  • the light guide plate support member (1355) and the lower bracket lower portion (1354) can restrain the lighting device (136) from above and below, restraining the upward and downward movement of the lighting device (136).
  • a lighting device (136) may be provided inside the lower bracket (135).
  • the lighting device (136) may include a substrate (1361) and a light source (1362).
  • the substrate (1361) may be formed in a plate shape that can be accommodated inside the lower bracket (135) and may extend from one end of the lower bracket (135) to the other end.
  • a plurality of light sources (1362) may be arranged in series at regular intervals on the substrate (1361).
  • the light source (1362) may be composed of, for example, an RGB LED capable of emitting light of various colors according to the control of the control unit (113). Accordingly, the panel (131) can shine in a color set by the control unit (113). In addition, the color of the front exterior of the refrigerator (11) can be determined according to the color of the panel (131).
  • a light supporter (137) may be provided inside the lower bracket (135).
  • the light supporter (137) may support the lighting device (136) inside the lower bracket (135).
  • the light supporter (137) may be formed of a metal material to dissipate heat generated from the lighting device (136) through conduction.
  • the light supporter (137) may be formed to a size that allows it to be entered and exited through the bracket opening (1352a).
  • the light supporter (137) may include a first supporting part (1372) that supports the lighting device (136) and a second supporting part (1371) that comes into contact with the back cover (139).
  • the second supporting part (1371) is exposed to the rear through the bracket opening (1352a) and can be in contact with the back cover (139). Accordingly, heat generated from the lighting device (136) can be transferred to the back cover (139) through the light supporter (137) and dissipated.
  • the light supporter (137) has an opening (137a) formed therein, through which the connector (1363) of the lighting device (136) can pass.
  • the connector (1363) is electrically connected to the control unit, and can control the lighting device (136) according to a signal from the control unit.
  • the lighting device (136) When the lighting device (136) is turned on according to the instructions of the control unit (113), light emitted from the LED (1362) can be emitted toward the bottom of the light guide plate (133). Light incident through the bottom of the light guide plate (133) can be diffused and reflected along the light guide plate (133) and can move along the light guide plate (133).
  • the light guide plate (133) and the panel (131) can be maintained spaced apart at a set interval by the frame (150).
  • Fig. 28 is a block diagram showing the flow of control signals of a refrigerator.
  • Fig. 29 is a front view showing the front appearance of the refrigerator with the lighting device turned on.
  • the front appearance color can be expressed by the color of the panel (31).
  • the color displayed on the panel (31) when the lighting device (36) is turned off can be called the first color.
  • the color of the panel (31) changes according to the color of the light irradiated from the lighting device (36), and the color of the front exterior of the door (20) can be expressed as a selected color.
  • the color of the light irradiated from the lighting device (36) can be referred to as a second color
  • the color of the panel that changes when the lighting device (36) is turned on can be referred to as a third color.
  • the second color may be different from the third color, and the third color of the panel (31) selected by the user may be implemented by the second color corrected in consideration of the first color of the panel (31) itself.
  • the color of the panel (31) can be determined by selective operation of the lighting device (36).
  • the lighting device (36) can be operated and set via a remote device (2) located away from the refrigerator (1).
  • the refrigerator (1) can communicate with the remote device (2) through the communication unit (17) connected to the control unit (13), and the user can control the operation of the lighting device (36) through the remote device (2).
  • the communication unit (17) may have a structure capable of communicating in at least one of wired, wireless, and short-range communication (Bluetooth, Wi-Fi, Zigbee, NFC, etc.).
  • the remote device (2) may be a variety of devices capable of communicating, such as a dedicated terminal, a mobile phone, a tablet, a portable PC, a desktop PC, a remote control, a Bluetooth speaker, etc.
  • the user can also input the color through the control unit (14) provided on the refrigerator (1) without using the remote device (2).
  • the lighting device (36) may be operated by a sensor.
  • the sensor may be a user detection sensor (151) that detects the user's approach. When a user approaches the refrigerator (1) at a set distance, the user detection sensor (151) detects this and transmits a signal to the control unit (13) to turn on the lighting device (36).
  • the lighting device (36) can be operated according to the illuminance detected by the illuminance sensor (152).
  • the control unit (13) can turn on the lighting device (36).
  • the control unit (13) may also be connected to a microphone (18).
  • the LED (362) may be made to glow in a set color according to a voice signal received from the microphone (18).
  • the lighting device (36) can be turned on and off at a time set by a timer (16).
  • Figure 30 is a drawing showing an example of controlling the color of home appliances to which a panel assembly is applied using a remote device.
  • the home appliance may have an exterior formed by a panel assembly (30), and the exterior may change to a color set by a user depending on the operation of a lighting device (36).
  • These home appliances may be, for example, any one of a refrigerator (1), an air conditioner (5), a dishwasher (6), a clothes manager (7), a washing machine (8), or a cooking appliance (9).
  • a refrigerator (1) an air conditioner (5), a dishwasher (6), a clothes manager (7), a washing machine (8), or a cooking appliance (9).
  • Each of these may have a structure like the panel assembly (30) of the embodiment of the present invention applied so that the color of the front surface can be freely changed.
  • a panel assembly (30) may be provided on the front of the door (20) that opens and closes the cabinet (10).
  • the air conditioner (5) indoor unit may have a space formed inside the case (51) forming the exterior in which a heat exchange device and a fan, etc. are installed.
  • the front of the case (51) may be formed by a panel assembly (511).
  • a dishwasher (6) may have a space for washing dishes formed inside a case (61) forming an exterior.
  • the front of the case (61) may be opened and closed by a door (62), and the front of the door (62) may be formed by a panel assembly (621).
  • the clothing manager (7) may include a case (71) in which a space for storing clothing is formed, and a door (72) that opens and closes the front of the case (71).
  • the front of the door (72) may be formed by a panel assembly (721).
  • a washing machine (8) or dryer may include a case (81) for washing or drying and a door (82) for opening and closing the case (81).
  • the front of the case (81) may be formed by a panel assembly (811).
  • a cooking appliance (9) may include a case (91) in which a space for cooking food is formed, and a door (92) for opening and closing the case (91).
  • the front of the door (92) may be formed by a panel assembly (921).
  • These appliances can have their panel assemblies glow in colors set by the user.
  • a home appliance comprises: a cabinet having a storage space formed therein; a door for opening and closing the storage space; and a panel assembly mounted on the front surface of the door; wherein the panel assembly comprises: a panel forming the front exterior of the door and through which light is transmitted; a light guide plate disposed at the rear of the panel and guiding light toward the panel; a lighting device irradiating light toward the light guide plate; an upper bracket disposed above the panel and forming an upper surface of the panel assembly; a back cover disposed at the rear of the light guide plate and forming a rear surface of the panel assembly; and a frame in contact with the panel and supporting the light guide plate; wherein the frame comprises: a front frame formed in a size smaller than the panel and disposed between the panel and the light guide plate; side frames into which both end portions of the light guide plate are inserted; and an upper frame disposed above the light guide plate.
  • the above front frame and the above side frame are arranged so that at least a portion thereof overlaps in one direction.
  • At least a portion of the rear surface of the front frame is arranged to be in contact with the side frame.
  • the above side frame may include a first portion forming a front surface and in contact with the panel, a second portion positioned behind the light guide plate and in contact with the back cover, and a third portion connecting the first portion and the second portion.
  • the two side ends of the first portion may be formed with a pair of protrusions protruding in the direction of the panel, and an adhesive material may be applied between the pair of protrusions to mount the side frame to the panel.
  • the above side frame may include a first stepped portion that extends in a stepwise manner from the first portion and comes into contact with the front frame.
  • the above panel assembly may include a portion in which the panel, the front frame, the first step, and the light guide plate overlap in one direction.
  • the two side ends of the above light guide plate can be arranged in the space between the first part and the second part.
  • the above back cover may be formed with a folded portion extending forward on both sides, and an insertion groove into which the folded portion is inserted may be provided in the second portion.
  • the above side frame may include a second step portion that extends at a step distance from the second portion and is arranged to come into contact with the back cover.
  • the upper frame may include a first part in contact with the panel, a second part extending rearwardly from the first part, and a third part extending downwardly from the rear end of the second part.
  • the above upper frame may include a third step portion formed in a step manner from one end of the first part and in contact with the front frame.
  • the above panel assembly may include a portion in which the panel, the front frame, the third step, and the light guide plate overlap in one direction.
  • the upper bracket may include an upper portion extended to contact the upper end of the panel, and an extension portion extended downward from the upper portion to support the rear of the light guide plate.
  • the above front frame includes a front side and a border portion formed in steps along the front periphery, and the first portion can be positioned between the panel and the border portion.
  • the upper frame includes a first part that contacts the panel to form a front surface, a second part that extends rearwardly from the first part, and a third part that extends downwardly from the rear end of the second part; and the first part can be arranged between the panel and the frame.
  • the above panel assembly can be arranged such that the panel, the first portion, the frame portion, and the light guide plate overlap in one direction.
  • a home appliance comprises: a cabinet having a storage space formed therein; a door for opening and closing the storage space; and a panel assembly mounted on the front surface of the door; wherein the panel assembly comprises: a panel forming the front exterior surface of the door and transmitting light; a light guide plate disposed at the rear of the panel and guiding light toward the panel; a lighting device irradiating light toward the light guide plate; an upper bracket disposed above the panel and forming an upper surface of the panel assembly; a back cover disposed at the rear of the light guide plate and forming a rear surface of the panel assembly; and a frame in contact with the panel and supporting the light guide plate; wherein the frame comprises a pair of side frames into which both side ends of the light guide plate are inserted, and an upper frame disposed above the light guide plate.
  • the side frame may include a first portion that is arranged between the panel and the light guide plate and comes into contact with the rear surface of the panel, and a first inclined portion that extends from one end of the first portion in a direction in which the light guide plate is arranged.
  • the outer end of the above first inclined portion may be extended to contact the light guide plate.
  • the two side ends of the first portion may be formed with a pair of protrusions protruding in the direction of the panel, and an adhesive material may be applied between the pair of protrusions to mount the side frame to the panel.
  • the above side frame may include a second part disposed behind the light guide plate to form a rear surface, and a third part connecting the first part and the second part and disposed on both sides of the light guide plate.
  • the above back cover may include a first step portion formed such that both side ends are bent forward, the second portion is positioned to be in contact with the back cover, and the first step portion is provided so that the end portion is inserted.
  • the upper frame may include a first part fixed to the panel, a second part bent rearward from the first part and fixed to the upper bracket, and a second inclined portion extended obliquely in the direction in which the light guide plate is arranged from the lower end of the first part.
  • the above second inclined portion can be positioned so that its end is in contact with the light guide plate.
  • the second slope can be extended along the first slope and come into contact with the first slope.
  • the above second part may include an upper stepped portion in which the front and rear ends are stepped relative to each other.
  • the upper bracket may include an upper portion extended to contact the upper end of the panel, and an extension portion extended downward from the upper portion to support the rear of the light guide plate.
  • the above upper bracket and the above upper frame can be fixed to each other by a heat fusion or ultrasonic fusion method.
  • the above panel assembly may include a lower bracket supporting the lower portion of the panel, and the lower bracket may have a space formed to accommodate the lighting device, and a light guide plate support portion formed to protrude rearwardly along the front portion of the lower bracket to support the lower portion of the light guide plate.
  • the above panel assembly may be configured such that only the side frame and the upper frame are positioned in the space between the panel and the light guide plate.
  • the color of the panel can be changed to a color selected by the user. Accordingly, there is an advantage in that the front color of the home appliance can be changed to a desired color without replacing the panel, and thus, the industrial applicability is recognized.
  • a frame into which both sides of a light guide plate are inserted is provided, and the frame is fixed to the panel, so that the panel and the light guide plate can be supported with a simple structure, and thus the possibility of industrial applicability is recognized.
  • the components forming the frame are arranged to overlap in the front-back direction, there is an advantage in that a boundary line between each frame component can be prevented from being visible in front of the panel, and thus, industrial applicability is recognized.
  • the frame includes a sloped portion that extends obliquely from an end in contact with the panel, so that the outermost end of the panel can be uniformly illuminated without causing shading, and thus its industrial applicability is recognized.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

La présente invention concerne un appareil électroménager caractérisé en ce qu'il comprend : une armoire présentant un espace de stockage formé à l'intérieur de celle-ci ; une porte pour ouvrir et fermer l'espace de stockage ; et un ensemble panneau monté sur la surface avant de la porte. L'ensemble panneau comprend : un panneau qui forme l'extérieur avant de la porte et transmet la lumière ; une plaque de guidage de lumière qui est disposée derrière le panneau et guide la lumière vers le panneau ; un dispositif d'éclairage qui émet de la lumière vers la plaque de guidage de lumière ; un support supérieur qui est disposé au-dessus du panneau et forme la surface supérieure de l'ensemble panneau ; un couvercle arrière qui est disposé derrière la plaque de guidage de lumière et forme la surface arrière de l'ensemble panneau ; et un cadre qui entre en contact avec le panneau et supporte la plaque de guidage de lumière. Le cadre comprend : une paire de cadres latéraux dans lesquels les extrémités latérales de la plaque de guidage de lumière sont insérées ; et un cadre supérieur disposé au-dessus de la plaque de guidage de lumière.
PCT/KR2023/019379 2023-02-02 2023-11-28 Appareil électroménager Ceased WO2024162579A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2023-0014121 2023-02-02
KR10-2023-0014120 2023-02-02
KR1020230014121A KR20240121465A (ko) 2023-02-02 2023-02-02 가전 기기
KR1020230014120A KR20240121464A (ko) 2023-02-02 2023-02-02 가전 기기

Publications (1)

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WO2024162579A1 true WO2024162579A1 (fr) 2024-08-08

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PCT/KR2023/019379 Ceased WO2024162579A1 (fr) 2023-02-02 2023-11-28 Appareil électroménager

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WO (1) WO2024162579A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205641760U (zh) * 2016-03-01 2016-10-12 上海九山电子科技有限公司 自带半透明液晶发光结构的冷柜门
KR101685912B1 (ko) * 2014-07-09 2016-12-13 (주)아로체 Led 라이트패널 구조
CN114485026A (zh) * 2020-11-12 2022-05-13 博西华电器（江苏）有限公司 用于制冷器具的照明模块以及具有照明模块的制冷器具
KR20220144562A (ko) * 2021-04-20 2022-10-27 엘지전자 주식회사 냉장고 도어
KR20230011150A (ko) * 2021-07-13 2023-01-20 엘지전자 주식회사 냉장고 및 가전기기
KR20230014600A (ko) * 2021-07-21 2023-01-30 엘지전자 주식회사 도어 조립체와 이를 갖는 냉장고 및 홈어플라이언스

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101685912B1 (ko) * 2014-07-09 2016-12-13 (주)아로체 Led 라이트패널 구조
CN205641760U (zh) * 2016-03-01 2016-10-12 上海九山电子科技有限公司 自带半透明液晶发光结构的冷柜门
CN114485026A (zh) * 2020-11-12 2022-05-13 博西华电器（江苏）有限公司 用于制冷器具的照明模块以及具有照明模块的制冷器具
KR20220144562A (ko) * 2021-04-20 2022-10-27 엘지전자 주식회사 냉장고 도어
KR20230011150A (ko) * 2021-07-13 2023-01-20 엘지전자 주식회사 냉장고 및 가전기기
KR20230014600A (ko) * 2021-07-21 2023-01-30 엘지전자 주식회사 도어 조립체와 이를 갖는 냉장고 및 홈어플라이언스

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