WO2025100570A1 - Display device - Google Patents

Abstract

A display device is disclosed. The display device includes: a display panel that displays an image and has transparency; a transparent panel facing the display panel; a side frame extending along a side of the display panel and coupled to the transparent panel; a belt that is embedded in the side frame and moves in the longitudinal direction of the side frame; a bar extending in a direction crossing the side frame and having one end fixed to the belt; a roller adjacent to the lower side connected to the side of the display panel, extending along the lower side of the display panel, and being rotatable; a light-shielding film that has one end fixed to the bar and the other end coupled to the roller and is wound around or unwound from the roller when the bar moves; an upper pulley which is arranged at the upper side of the side frame and around which the belt is wound; and a driving pulley which is adjacent to the lower side of the side frame, faces the light-shielding frame, and rotates around the axis in the thickness direction of the light-shielding film, and around which the belt is wound.

Description

Display device

The present disclosure relates to a display device. More specifically, the present disclosure relates to a display device having a transparent display panel.

As the information society develops, the demand for display devices is also increasing in various forms, and in response to this, various display devices such as LCD (Liquid Crystal Display Device), PDP (Plasma Display Panel), ELD (Electro luminescent Display), VFD (Vacuum Fluorescent Display), and OLED (Organic Light Emitting Diode) are being researched and used recently.

Among these, the LCD panel has a TFT substrate and a color substrate facing each other with a liquid crystal layer in between, and can display an image using light provided from a backlight unit. In addition, the OLED panel can display an image by depositing an organic layer capable of emitting light on a substrate on which a transparent electrode is formed.

Recently, much research has been done on transparent display panels that can not only display images to the user, but also allow the user to see behind the display panel.

The present disclosure aims to solve the above-mentioned and other problems.

Another purpose may be to provide a display device having a transparent display panel.

Another purpose may be to provide a structure and driving mechanism for opening and closing the rear surface of a transparent display panel.

Another purpose may be to provide a frame structure in which a transparent display panel and a shade film are combined.

Another purpose may be to provide a driving mechanism for a film for light shielding of a transparent display panel.

According to one aspect of the present disclosure for achieving the above or other purposes, a display device may include: a display panel that displays an image and has light-transmitting properties; a transparent panel facing the display panel; a side frame that extends along a side of the display panel and is coupled to the transparent panel; a belt that is built into the side frame and moves along a longitudinal direction of the side frame; a bar that extends in a direction intersecting the side frame and has one end fixed to the belt; a roller that is adjacent to a lower side connected to the side of the display panel and extends along the lower side of the display panel and is rotatable; a shade film that has one end fixed to the bar and the other end coupled to the roller and is wound or unwound by the roller when the bar moves; an upper pulley that is located on an upper side of the side frame and on which the belt is wound; and a driving pulley that is adjacent to a lower side of the side frame, faces the shade film, rotates about an axis in a thickness direction of the shade film, and on which the belt is wound.

The effects of the display device according to the present disclosure are described as follows.

According to at least one of the embodiments of the present disclosure, a display device having a transparent display panel can be provided.

According to at least one of the embodiments of the present disclosure, a structure and a driving mechanism for opening and closing the rear surface of a transparent display panel can be provided.

According to at least one of the embodiments of the present disclosure, a frame structure in which a transparent display panel and a light shield are combined can be provided.

According to at least one of the embodiments of the present disclosure, a driving mechanism of a film for light blocking of a transparent display panel can be provided.

Further scope of the applicability of the present disclosure will become apparent from the detailed description below. However, since various changes and modifications within the spirit and scope of the present disclosure will become apparent to those skilled in the art, it should be understood that the detailed description and specific embodiments, such as the preferred embodiments of the present disclosure, are given by way of example only.

FIGS. 1 to 19 are drawings illustrating examples of display devices according to embodiments of the present disclosure.

Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Regardless of the drawing symbols, identical or similar components will be given the same reference numerals and redundant descriptions thereof will be omitted.

The suffixes "module" and "part" used for components in the following description are given or used interchangeably only for the convenience of writing the specification, and do not have distinct meanings or roles in themselves.

In addition, when describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted. In addition, the attached drawings are only intended to facilitate easy understanding of the embodiments disclosed in this specification, and the technical ideas disclosed in this specification are not limited by the attached drawings, and should be understood to include all modifications, equivalents, or substitutes included in the spirit and technical scope of the present disclosure.

Terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The terms are used only to distinguish one component from another.

When it is said that a component is "connected" or "connected" to another component, it should be understood that it may be directly connected or connected to that other component, but that there may be other components in between. On the other hand, when it is said that a component is "directly connected" or "directly connected" to another component, it should be understood that there are no other components in between.

Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, the terms “include” or “have” are intended to specify the presence of a feature, number, step, operation, component, part, or combination thereof described in the specification, but should be understood as not excluding in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

The direction indications of up (U), down (D), left (Le), right (Ri), front (F), and back (R) shown in the drawings are only for convenience of explanation, and the technical ideas disclosed in this specification are not limited thereby.

Referring to FIG. 1, a display device (1) may include a display (10), a side frame (20), and a housing (90). The display (10) may display an image. The side frame (20) may extend along a perimeter of the display (10). The housing (90) may be positioned below the display (10) and the side frame (20). Alternatively, the housing (90) may be positioned above, to the left, or below the display (10) and the side frame (20).

The display (10) may include a first long side (LS1), a second long side (LS2) opposite the first long side (LS1), a first short side (SS1) adjacent to the first long side (LS1) and the second long side (LS2), and a second short side (SS2) opposite the first short side (SS1).

Meanwhile, for convenience of explanation, the lengths of the first and second long sides (LS1, LS2) are illustrated and described as being longer than the lengths of the first and second short sides (SS1, SS2), but it may also be possible for the lengths of the first and second long sides (LS1, LS2) to be approximately equal to or longer than the lengths of the first and second short sides (SS1, SS2).

The direction parallel to the long sides (LS1, LS2) of the display (10) may be referred to as the left-right direction. The direction parallel to the short sides (SS1, SS2) of the display (10) may be referred to as the up-down direction. The direction perpendicular to the long sides (LS1, LS2) and short sides (SS1, SS2) of the display (10) may be referred to as the front-back direction.

The direction in which the display (10) displays an image may be referred to as the front (F, z, see FIG. 4), and the opposite direction may be referred to as the rear (R, -z, see FIG. 4). The first short side (SS1) may be referred to as the left (Le, x). The second short side (SS2) may be referred to as the right (Ri, -x). The first long side (LS1) may be referred to as the upper side (U, y). The second long side (LS2) may be referred to as the lower side (D, -y).

Hereinafter, a display panel using an organic light emitting diode (OLED) will be described as an example, but the display panel applicable to the present disclosure is not limited thereto.

Referring to FIG. 2, a pixel may include a light emitting region and a transparent region. In the light emitting region, RGBW (Red, Green, Blue, White) subpixels may be arranged vertically, and the transparent region without subpixels may be arranged next to the light emitting region.

Accordingly, a display panel (11, see Fig. 7) having a plurality of pixels can not only display an image but also transmit light. The display panel (11, see Fig. 7) may be referred to as a transparent display panel or a transparent OLED panel.

Referring to FIG. 3, a pixel may include a light emitting region and a transparent region. In the light emitting region, subpixels of RGW (Red, Green, White) or BGW (Blue, Green, White) may be arranged adjacent to each other, and the transparent region without subpixels may be arranged next to the light emitting region.

Accordingly, a display panel (11, see Fig. 7) having a plurality of pixels can not only display an image but also transmit light. The display panel (11, see Fig. 7) may be referred to as a transparent display panel or a transparent OLED panel.

Referring to FIGS. 4 and 5, the display (10) may be coupled to the side frame (20). The housing frame (71) may be coupled or fixed to the side frame (20). The housing frame (71) may cover the rear of the display (10). The housing frame (71) may be located at the rear of the display (10). The housing frame (71) may be referred to as a rear frame (71) or a rear plate (71) or a rear base (71). The length of the housing frame (71) may correspond to the length of the long side of the display (10). The width of the housing frame (71) may be shorter than the length of the short side of the display (10).

The motor (61) may be plural. Each of the plurality of motors (61) may be arranged at the rear of the display (10) adjacent to the left and right sides of the display (10). A pair of motors (61) may provide dual driving force. A gear box (62) may correspond to the motor (61). Each of the plurality of gear boxes (62) may be connected to each of the plurality of motors (61). The dual driving force provided by the pair of motors (61) may be transmitted by the pair of gear boxes (62). The motor (61) and/or the gear box (62) may be coupled to or fixed to the rear of the housing frame (71). The motor (61) and/or the gear box (62) may not be exposed to the front of the display device (10) by the housing frame (71). The bar (40) may slide up and down on the side frame (20).

Referring to FIG. 6 together with FIG. 5, the display (10) can be coupled to the side frame (20). The lower frame (18) can be coupled or fixed to the side frame (20) and can support the display (10) at the lower side of the display (10). The side frame (20) can include a first part (21), a second part (22), and a third part (23).

The first part (21) can be coupled to the upper side of the display (10), the second part (22) can be coupled to the right side of the display (10), and the third part (23) can be coupled to the left side of the display (10). The lower frame (18) can be coupled or fixed to the second part (22) and/or the third part (23) of the side frame (20).

Each of the vertical fixers (162) can be coupled to each of the second part (22) and the third part (23), and the horizontal fixer (161) can be coupled to the first part (21). The corner fixer (16) and the pulley (17) can be coupled to the vertical fixer (161) and/or the horizontal fixer (162) at the upper corner.

Referring to FIG. 7 together with FIG. 6, the display panel (11) can output an image by dividing an image into a plurality of pixels and adjusting the color, brightness, and saturation for each pixel. The display panel (11) can be divided into an active area (AA) where an image is displayed and a de-active area (DA) where an image is not displayed. The display panel (11) can generate light corresponding to the color of red (R), green (G), or blue (B) according to a control signal.

A source PCB (14) may be adjacent to a lower side of the display panel (11). The source PCB (14) may extend along the lower side of the display panel (11). The source PCB (14) may be electrically connected to the display panel (11) via a COF (15, Chip On Film). The source PCB (14) may be electrically connected to a timing controller board (T-CON board) via a cable (not shown) such as an FFC (Flexible Flat Cable).

The transparent panel (13) may be positioned in front of the display panel (11). The transparent panel (13) may be glass of a transparent material. The adhesive film (12) may be positioned between the display panel (11) and the transparent panel (13) and may be bonded to the display panel (11) and the transparent panel (13). The adhesive film (12) may be an OCA film (Optically Clear Adhesive Film). The transparent panel (13) may be referred to as a front panel (13).

The adhesive film (12) can cover at least a portion of the back surface of the transparent panel (13). For example, one side of the adhesive film (12) can be positioned closer to the center of the display panel (11) than a corresponding side of the transparent panel (13). The size or area of the adhesive film (12) can be smaller than the size or area of the transparent panel (13). For example, the upper side, the left side, and the right side of the adhesive film (12) can be adjacent to the upper side, the left side, and the right side of the transparent panel (13), respectively, and the lower side of the adhesive film (12) can be spaced upward from the lower side of the transparent panel (13).

The size of the adhesive film (12) may correspond to the size of the display panel (11). For example, the diagonal length of the adhesive film (12) may be substantially the same as the diagonal length of the display panel (11). For another example, the diagonal length of the adhesive film (12) may be greater than the diagonal length of the display panel (11). A portion of the adhesive film (12) may be arranged along the perimeter of the display panel (11) on the outer side of the display panel (11). For example, the adhesive film (12) may form a square line along the perimeter of the display panel (11).

The display panel (11), the adhesive film (12), and the transparent panel (13) may be referred to as a display (10).

Referring to FIG. 8 together with FIG. 7, the lower frame (18) may include a horizontal portion (18c), a first vertical portion (18a), a second vertical portion (18b), and a coupling portion (18d). The horizontal portion (18c) may be a long and extended plate, and the first vertical portion (18a) may extend upward from the front edge of the horizontal portion (18c) to form a right angle with the horizontal portion (18c). The second vertical portion (18b) may extend downward from the front edge of the horizontal portion (18c) to form a right angle with the horizontal portion (18c). The coupling portion (18d) may protrude from the rear surface of the first vertical portion (18a). The coupling portion (18d) may be formed on the upper surface of the horizontal portion (18c) and/or the rear surface of the first vertical portion (18a). A plurality of coupling portions (18d) may be arranged at regular intervals.

The transparent panel (13) may have a joining groove (13d) with a portion deleted from the lower side. The joining groove (13d) of the transparent panel (13) may correspond to the joining portion (18d) of the lower frame (18). The joining portion (18d) of the lower frame (18) may be inserted into the joining groove (13d) of the transparent panel (13). The first vertical portion (18a) may cover the front surface of the transparent panel (13) adjacent to the lower side of the transparent panel (13). The horizontal portion (18c) of the lower frame (18) may support the transparent panel (13).

The source PCB (14) may be positioned on the horizontal portion (18c) of the lower frame (18). The source PCB (14) may face or contact the horizontal portion (18c) of the lower frame (18).

Referring to FIG. 9 together with FIG. 8, the PCB cover (19) may include a horizontal portion (19a), a folding portion (19c), a vertical portion (19b), and a fixing portion (19d). The horizontal portion (19a) may be a long plate and may cover the source PCB (14). The vertical portion (19b) may be formed to extend upward or be bent from an edge of the horizontal portion (19a). The folding portion (19c) may face the vertical portion (19b) with respect to the horizontal portion (19a). The folding portion (19c) may extend from the horizontal portion (19a) while being bent toward the lower surface of the horizontal portion (19a). The folding portion (19c) may face the horizontal portion (19a). The fixing portion (19d) may be formed on the vertical portion (19b). The fixed portion (19d) can be formed by protruding forward of the vertical portion (19b) as the vertical portion (19b) is pressed. The fixed portion (19d) can be fixed to the joining portion (18d) of the lower frame (18).

When the folding part (19c) of the PCB cover (19) is connected to the horizontal part (18c) of the lower frame (18), and the fixing part (19d) of the PCB cover (19) is connected to the connecting part (18d) of the lower frame (18), the PCB cover (19) can cover the source PCB (14).

Referring to FIGS. 10 and 11, the display panel (11) may be placed on the rear side of the transparent panel (13). The display panel (11) may be adhered or fixed to an adhesive film (12).

The frame fixer (16) may include a horizontal fixer (161), a vertical fixer (162), and a corner fixer (163). The horizontal fixer (161) may be formed integrally with the vertical fixer (162). The horizontal fixer (161) and the vertical fixer (162) may be referred to as inner frames (161, 162). The horizontal fixer (161) may include a plate (161a) and a wall (161b). The plate (161a) may be extended left and right and may be fixed to the first part (21) of the side frame (20). The wall (161b) may be formed on the plate (161a). The wall (161b) may protrude rearwardly from the outer surface of the plate (161a).

The vertical fixer (162) may include a plate (162a) and a wall (162b). The plate (162a) may be extended vertically and may be fixed to the third part (23) of the side frame (20). The wall (162b) may be formed on the plate (162a). The wall (162b) may protrude left and right from the outer surface of the plate (162a).

The corner fixer (163) may be a curved plate segment. The corner fixer (163) may be a curved plate (163a) along the corner of the vertical fixer (162) and the horizontal fixer (161). The pulley axis (163b) may protrude and extend from the outer surface of the plate (163a) of the corner fixer (163) toward the rear of the transparent panel (13). The corner fixer (163) may be adhered or fixed to the horizontal fixer (161) and/or the vertical fixer (162). The corner fixer (163) may be referred to as a left corner fixer (163) or a first corner fixer (163). When the corner fixer (163) is located at the corner formed by the first part (21) and the second part (22) of the side frame (20) (see FIG. 5), the corner fixer (163) may be called a right corner fixer (163) or a second corner fixer (163).

The pulley (17) can be inserted into the pulley shaft (163b). The pulley (17) can rotate on the pulley shaft (163b). The pulley (17) can be referred to as an upper pulley (17). For example, a lubricant for noise prevention can be applied between the pulley shaft (163b) and the pulley (17). As another example, the pulley (17) can be formed of a synthetic resin having low frictional resistance, and the pulley shaft (163b) can include metal to prevent noise and make the rotation of the pulley (17) smooth. The belt (32) can be wound around the pulley (17).

The pulley (17) may include a wheel (17a) and a belt gear (17b). The wheel (17a) may be formed in a ring or rim shape. The pulley shaft (163b) is inserted into the wheel (17a), and the wheel (17a) may rotate on the pulley shaft (163b). The belt gear (17b) may form an outer surface of the wheel (17a). The fixed washer (17c) may be coupled to the pulley shaft (163b) adjacent to an end of the pulley shaft (163b). For example, the fixed washer (17c) may be an E-ring. The fixed washer (17c) may prevent the pulley (17) from being separated from the pulley shaft (163b). The first pulley (17) or the left pulley (17) can be positioned at the first corner fixer (163) or the left corner fixer (163), and the second pulley (17, see FIG. 5) or the right pulley (17, see FIG. 5) can be positioned at the second corner fixer (163) or the right corner fixer (163).

Referring to FIGS. 12 and 13, the mount bracket (24) may be coupled or fixed to the plate (162a) of the vertical fixer (162) and supported on the wall (162b) of the vertical fixer (162). The mount bracket (24) may be coupled or fixed to the wall (162b) of the vertical fixer (162) and supported on the plate (162a) of the vertical fixer (162).

The mount bracket (24) may include a main roller hole (24d1) and a sub roller hole (24d2). The sub roller hole (24d2) may face or overlap with the plate (162a) of the vertical fixer (162). The main roller hole (24d1) may be adjacent to the sub roller hole (24d2). The bearing (B) may be mounted in the main roller hole (24d1) and/or the sub roller hole (24d2).

The fixed bracket (60) may be coupled to the vertical fixer (162) or coupled to the housing frame (71). The fixed bracket (60) may also be formed integrally with the housing frame (71). A motor (61) and/or a gear box (62) may be coupled to the fixed bracket (60). The motor (61) may provide rotational force, and the gear box (62) may be connected to the motor (61) to transmit driving force. A rotation counter (63) may be fixed to the motor shaft (61a) and may rotate together with the motor shaft (61a).

The joint (62a) is connected to the gear box (62) and can rotate by receiving driving force from the gear box (62). The axial direction of the joint (62a) can be parallel to the thickness direction of the display (10). The driving pulley (31) is fixed to the joint (62a) and can rotate together with the joint (62a). The belt (32) can be wound around the driving pulley (31). The belt (32) can be called a driving belt (32) or a timing belt (32). The driving pulley (31) can be called a lower pulley (31), a main pulley (31), or a suspending pulley (31).

Referring to FIGS. 14 and 15, the main roller (72) can be coupled or inserted into the main roller hole (24d1, see FIG. 13) of the mount bracket (24) and rotated. The sub roller (73) can be coupled or inserted into the sub roller hole (24d2, see FIG. 13) of the mount bracket (24) and rotated. The shade film (45) can be wound around the main roller (72) and supported by the sub roller (73). The shade film (45) can be guided by the sub roller (73) while being released from the main roller (72) and moved to the front of the housing frame (71). The shade film (45) released from the main roller (72) can cover the front of the housing frame (71).

The pulley mount (79) can be coupled to the rear of the housing frame (71). The pulley mount (79) can be a bracket or a plate. The pulley mount (79) can also be formed integrally with the housing frame (71). The drive pulley (31) can rotate in the pulley mount (79). The shaft (31a) of the drive pulley (31) is inserted into the pulley mount (79) and can be aligned in position by the pulley mount (79). For example, the drive pulley (31) can rotate in the pulley mount (79), but cannot move up and down or left and right.

The sub pulley (50) may be a tensioner (50). The sub pulley (50) is located on the upper side of the pulley mount (79) and may push the belt (32). The belt (32) may maintain a constant tension by the sub pulley (50). There may be a plurality of sub pulleys (51, 52).

Referring to FIG. 16 and FIG. 17 together with FIG. 15, the driving force provided by the motor (61) can be transmitted to the driving pulley (31) through the gear box (62). The driving pulley (31) can rotate on the pulley mount (79). As the driving pulley (31) rotates, the belt (32) moves up and down, and the belt (32) can maintain a constant tension by the sub pulley (50).

The lower frame (18) to which the PCB cover (19) is combined can be positioned on the lower side of the housing frame (71). The main roller (72) and the sub roller (73) are positioned on the lower frame (18) and can be positioned at the rear of the housing frame (71). The shade film (45) is wound and unwound around the main roller (72) and guided by the sub roller (73) to cover the front of the housing frame (71).

The end of the shade (45) can be fixed to the bar (40). As the belt (32) fixed to one end of the bar (40) moves, the bar (40) can move up and down. As the bar (40) moves, the shade (45) can cover the rear surface of the display (10). The bar (40) is located at the rear of the rear surface of the display (10) and can move up and down the display (10).

Referring to FIGS. 18 and 19, the pulley mount (79) may include a flange portion (79a), a pulley housing (79b), a bearing mount (79c), and a shaft mount (79d). The flange portion (79a) may be fixed to the rear of the housing frame (71) in a disc shape. The pulley housing (79b) may provide a space in which a drive pulley (31) is accommodated. The diameter of the pulley housing (79b) may be larger than the diameter of the drive pulley (31), and the height of the pulley housing (79b) may be larger than the thickness of the drive pulley (31).

The bearing (B) can be fixed to the bearing mount (79c). The pulley shaft (31a) can pass through the shaft mount (79d) from the inside to the outside of the pulley mount (79). The drive pulley (31) is coupled to the bearing (B) and can rotate inside the pulley housing (79b). The pulley shaft (31a) is coupled to the joint (62a) and can rotate together with the joint (62a).

The front of the driving pulley (31) can be spaced apart from the shade film (45). A certain gap (G) can be formed between the front of the driving pulley (31) and the rear of the shade film (45). Accordingly, the belt (32) can be moved while the driving pulley (31) rotates without a structure penetrating the shade film (45).

Referring to FIGS. 1 to 19, the display device may include: a display panel that displays an image and has light-transmitting properties; a transparent panel facing the display panel; a side frame that extends along a side of the display panel and is coupled to the transparent panel; a belt that is built into the side frame and moves along a longitudinal direction of the side frame; a bar that extends in a direction intersecting the side frame and has one end fixed to the belt; a roller that is adjacent to a lower side connected to the side of the display panel and extends along the lower side of the display panel and is rotatable; a shade film that has one end fixed to the bar and the other end coupled to the roller and is wound or unwound by the roller when the bar moves; an upper pulley that is located above the side frame and on which the belt is wound; and a driving pulley that is adjacent to a lower side of the side frame, faces the shade film, rotates about an axis in a thickness direction of the shade film, and on which the belt is wound.

A gear box connected to the shaft of the driving pulley and facing the shade with respect to the driving pulley; and a motor providing rotational force to the gear box and facing the shade may be further included.

The above-described shade further includes a housing frame facing the display panel and coupled to the side frame, and the driving pulley can be rotatably coupled to the housing frame.

The pulley mount may further include a pulley mount coupled to the housing frame and accommodating the driving pulley, wherein the pulley mount may include: a flange portion fixed to the housing frame; a pulley housing connected to the flange portion to accommodate the driving pulley and on which the driving pulley rotates; a bearing mount connected to the pulley housing and covering the driving pulley; and a shaft mount through which the shaft of the driving pulley passes.

The bearing may further include a bearing fixed to the bearing mount and coupled to the drive pulley to rotate together with the drive pulley.

The above driving pulley can maintain a certain distance from the shade film.

The diameter of the pulley housing may be larger than the diameter of the driving pulley, and the height of the pulley housing may be larger than the thickness of the driving pulley.

The display device may further include a housing frame facing the display panel and coupled to the side frame with respect to the shade film; a gear box fixed to the housing frame, connected to the shaft of the driving pulley, and facing the shade film with respect to the driving pulley; and a motor fixed to the housing frame, providing rotational force to the gear box, and facing the shade film with respect to the housing frame.

A joint connecting the shaft of the above driving pulley and the gear box; and, a rotation counter fixed to the shaft of the above motor and rotating together with the shaft of the above motor may be further included.

The display panel may further include a lower frame positioned between the lower side of the display panel and the roller and supporting the transparent panel, and the display panel may further include: a source PCB electrically connected to the display panel and positioned on the lower frame.

The lower frame may include: a horizontal portion on which the source PCB is placed; and a vertical portion connected to the horizontal portion and covering a front surface adjacent to the lower side of the transparent panel.

The source PCB further includes a PCB cover that faces the horizontal portion of the lower frame and covers the source PCB, and the PCB cover can be fixed to the lower frame.

The above PCB cover can have one side joined to a horizontal portion of the lower frame and the other side joined to a vertical portion of the lower frame.

Any of the embodiments or other embodiments of the present disclosure described above are not mutually exclusive or distinct. Any of the embodiments or other embodiments of the present disclosure described above may have their respective components or functions combined or used together.

For example, it means that a configuration A described in a particular embodiment and/or drawing can be combined with a configuration B described in another embodiment and/or drawing. That is, even if a combination between configurations is not directly described, it means that a combination is possible, except in cases where a combination is described as impossible.

The above detailed description should not be construed as restrictive in all respects but should be considered as illustrative. The scope of the invention should be determined by a reasonable interpretation of the appended claims, and all changes coming within the equivalent scope of the invention are intended to be embraced within the scope of the invention.

Claims (13)

A display panel that displays an image and has light-transmitting properties; A transparent panel facing the above display panel; A side frame extending along the side of the display panel and coupled to the transparent panel; A belt built into the side frame and moving along the longitudinal direction of the side frame; A bar extending in a direction intersecting the above side frame and having one end fixed to the belt; A roller adjacent to a lower edge connected to a side edge of the display panel, extending along the lower edge of the display panel, and rotatable; A shade film having one end fixed to the bar and the other end coupled to the roller, which is wound or unwound from the roller when the bar moves; An upper pulley located on the upper side of the side frame and around which the belt is wound; and A display device comprising a drive pulley adjacent to the lower side of the side frame, facing the shade film, rotating about an axis in the thickness direction of the shade film, and around which the belt is wound. In the first paragraph, A gear box connected to the shaft of the above driving pulley and facing the above light shield with respect to the above driving pulley; and, A display device further comprising a motor that provides rotational force to the gear box and faces the shade film. In the first paragraph, Further comprising a housing frame facing the display panel and coupled to the side frame with respect to the above-mentioned shade film, The above drive pulley, A display device rotatably coupled to the above housing frame. In the third paragraph, further comprising a pulley mount coupled to the housing frame and accommodating the drive pulley; The above pulley mount: A flange portion fixed to the above housing frame; A pulley housing connected to the flange portion and accommodating the drive pulley, the drive pulley rotating; A bearing mount connected to the above pulley housing and covering the above drive pulley; and, A display device comprising an axle mount through which the axle of the above drive pulley passes. In the fourth paragraph, A display device further comprising a bearing fixed to the bearing mount and coupled with the drive pulley to rotate together with the drive pulley. In the third paragraph, The above drive pulley, A display device that maintains a constant distance from the above-mentioned shade film. In the fourth paragraph, The diameter of the above pulley housing is: Larger than the diameter of the above drive pulley, The height of the above pulley housing is, A display device having a thickness greater than that of the above drive pulley. In the first paragraph, A housing frame facing the display panel and coupled to the side frame with respect to the above-mentioned shade; A gear box fixed to the housing frame, connected to the shaft of the driving pulley, and facing the shade with respect to the driving pulley; and A display device further comprising a motor fixed to the housing frame, providing rotational force to the gear box, and facing the shade with respect to the housing frame. In Article 8, A joint connecting the shaft of the above driving pulley and the above gear box; and, A display device further comprising a rotation counter fixed to the shaft of the motor and rotating together with the shaft of the motor. In the first paragraph, Further comprising a lower frame positioned between the lower side of the display panel and the roller and supporting the transparent panel; The above display panel: A display device further comprising a source PCB electrically connected to the display panel and positioned on the lower frame. In Article 10, The above lower frame: A horizontal section on which the above source PCB is placed; and, A display device comprising a vertical portion connected to the horizontal portion and covering a front surface adjacent to the lower side of the transparent panel. In Article 11, Further comprising a PCB cover facing the horizontal portion of the lower frame with respect to the source PCB and covering the source PCB, The above PCB cover, A display device fixed to the above lower frame. In Article 12, The above PCB cover, A display device having one side coupled to a horizontal portion of the lower frame and the other side coupled to a vertical portion of the lower frame.

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