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WO2018051751A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2018051751A1
WO2018051751A1 PCT/JP2017/030223 JP2017030223W WO2018051751A1 WO 2018051751 A1 WO2018051751 A1 WO 2018051751A1 JP 2017030223 W JP2017030223 W JP 2017030223W WO 2018051751 A1 WO2018051751 A1 WO 2018051751A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
hole
front plate
clip
screw
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/JP2017/030223
Other languages
English (en)
Japanese (ja)
Inventor
伊藤　正広
江波　和也
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.)
Denso Corp
Original Assignee
Denso Corp
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
Application filed by Denso Corp filed Critical Denso Corp
Publication of WO2018051751A1 publication Critical patent/WO2018051751A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods

Definitions

  • This disclosure relates to a display device.
  • a display device in which a transparent front plate is provided on the front surface of a display such as a liquid crystal display and the display display and the front plate are bonded with an optical adhesive is known (for example, see Patent Document 1).
  • This front plate is fixed to the support member by screws, adhesives, or the like.
  • the front plate when the front plate is fixed to the support member with a screw or an adhesive, the front plate is thermally deformed at a low temperature or a high temperature due to a difference in linear expansion coefficient between the front plate and the support member. Due to this thermal deformation, stress is applied to the display via the optical adhesive, and there is a possibility that the display color and brightness of the display will be uneven.
  • the present disclosure has been made in view of the above points, and provides a display device that can suppress unevenness in the color and brightness of a display display due to thermal deformation of the front plate and peeling of the display from the front plate. Is an issue.
  • the display device includes a display, a front plate, a support member, and an attachment portion.
  • the front plate is transparent and is bonded to the front surface of the display with an optical adhesive.
  • the support member supports the front plate.
  • the attachment portion attaches the front plate to the support member so as to be displaceable in the surface direction of the front plate.
  • the front plate is attached to the support member so as to be displaceable in the surface direction of the front plate. Therefore, when the front plate is thermally deformed at a low temperature or a high temperature, the size of the front plate can be changed in the surface direction. As a result, the warpage of the front plate can be suppressed in the vertical direction perpendicular to the surface direction. Thereby, the curvature of a display display can be suppressed and it can suppress that the color and brightness of a display display unevenness, and that a display display peels from a front plate.
  • FIG. 3 is a sectional view taken along line III-III in FIG. 2. It is an enlarged view of the A section of FIG. It is the figure which showed the state before the assembly
  • FIG. 6 is a sectional view taken along line VI-VI in FIG.
  • FIG. 20 is a sectional view taken along line XX-XX in FIG.
  • the display device 1 shown in FIG. 1 has a rectangular screen (a TFT glass 2 described later), and the screen is provided facing the front seat space in an instrument panel portion of a vehicle, for example.
  • the screen is provided, for example, such that the longitudinal direction of the screen is directed in the left-right direction of the vehicle, and the lateral direction of the screen is directed in the vertical direction of the vehicle or a direction slightly inclined with respect to the vertical direction.
  • the display device 1 is, for example, a meter display device provided in a combination meter for displaying vehicle information, a navigation device display device for displaying a navigation screen (such as a map around the current location), It may be a display device for air conditioning that displays a device setting screen (temperature setting, air volume setting, mode setting, etc.).
  • the display device 1 includes a TFT (Thin Film Transistor) glass 2, a backlight 3, a cover 5, and a metal plate 7 (sheet metal).
  • TFT Thin Film Transistor
  • the TFT glass 2 is a component that constitutes the screen of the display device 1 (that is, a display display). Specifically, the TFT glass 2 constitutes a liquid crystal display that displays various images using liquid crystal. More specifically, the TFT glass 2 is an active matrix type liquid crystal display in which a thin film transistor (TFT) is incorporated as a switching element, and includes two transparent glass substrates, a liquid crystal layer disposed between the glass substrates, and a glass substrate. The polarizing plate etc. which are arrange
  • the TFT glass 2 is formed in, for example, a rectangular flat plate shape in plan view.
  • the backlight 3 has a flat plate shape and is arranged behind the TFT glass 2 in parallel with the TFT glass 2. In other words, the backlight 3 is disposed between the TFT glass and the metal plate 7.
  • the backlight 3 is a device that supplies light to the TFT glass 2 from behind.
  • the backlight 3 includes a light guide plate made of acrylic or the like disposed so as to cover the entire surface of the TFT glass 2, and a plurality of LEDs that make light incident on the side edges of the light guide plate. That is, the backlight 3 emits light when the light incident from the LED into the light guide plate is emitted from the surface of the light guide plate, and causes the light emitted from the surface to enter the back surface of the TFT glass 2.
  • the outer periphery of the TFT glass 2 and the backlight 3 is fixed with a double-sided tape 4 or the like.
  • the back surface of the backlight 3 is fixed to the metal plate 7 with screws or the like.
  • FIG. 1 shows an example in which the back surface of the backlight 3 is in direct contact with the surface of the metal plate 7, a space may be provided between the backlight 3 and the metal plate 7.
  • the cover 5 is formed from a transparent resin such as polycarbonate or glass, and is provided so as to cover the front surface of the TFT glass 2. Specifically, the cover 5 has a front plate 51 and a protruding portion 52.
  • the front plate 51 is provided in parallel with the TFT glass 2 on the front side of the TFT glass 2.
  • the protruding portion 52 protrudes from the outer peripheral portion of the front plate 51 in the Z direction perpendicular to the surface direction of the front plate 51. Specifically, the protruding portion 52 protrudes from the outer peripheral portion of the front plate 51 toward the metal plate 7 (backward direction).
  • the front plate 51 is formed in a flat plate shape that covers the entire TFT glass 2.
  • the front plate 51 is formed in a shape that is generally similar to the shape of the TFT glass 2 in a plan view, that is, in a rectangular shape.
  • the front plate 51 is arranged so that the longitudinal direction of the front plate 51 and the longitudinal direction of the TFT glass 2 coincide, and the short direction of the front plate 51 and the short direction of the TFT glass 2 coincide.
  • the front plate 51 and the TFT glass 2 are bonded together with an optical adhesive 6. That is, the optical adhesive 6 is interposed between the back surface of the front plate 51 and the surface of the TFT glass 2.
  • the optical adhesive 6 is a transparent adhesive such as acrylic or silicon that is used exclusively for optical components.
  • the optical adhesive 6 may be an adhesive sheet such as Optical Clear Adhesive (OCA) or a liquid UV curable resin such as Optical Clear Resin (OCR).
  • the TFT glass 2 can be protected and the appearance of the display device 1 can be improved as compared with the case where the TFT glass 2 is exposed. Furthermore, the TFT glass 2 and the front plate 51 are bonded together by the optical adhesive 6, thereby eliminating an air layer between the TFT glass 2 and the front plate 51, thereby deteriorating visibility due to surface reflection of external light. Can be suppressed.
  • ribs 55 and flanges 56 are formed at positions that do not overlap the TFT glass 2.
  • the rib 55 and the flange 56 can improve the rigidity of the front plate 51.
  • the rigidity in the Z direction perpendicular to the surface direction of the front plate 51 can be improved.
  • the protrusion 52 is formed integrally with the front plate 51 by injection molding or the like.
  • the protruding portion 52 extends from the front plate 51 to the metal plate 7 in the Z direction.
  • a first locking portion 53 a and a second locking portion 53 b are formed at the tip of the protruding portion 52. Both the first locking part 53a and the second locking part 53b have the same hook shape.
  • the first locking portion 53 a includes a trunk portion 531 a extending in the Z direction from the tip of the protruding portion 52, and a front plate 51 from the trunk portion 531 a at the tip of the trunk portion 531 a.
  • a protruding portion 532a (a protruding portion) protruding in the surface direction.
  • the protrusion 532a protrudes from the body 531a toward the outside of the display device 1 in the X direction corresponding to the longitudinal direction of the front plate 51 in the surface direction.
  • the first locking portion 53 a is locked to the first piece portion 72 formed on the metal plate 7.
  • the front plate 51 is attached to the metal plate 7. Details of attachment of the front plate 51 and the metal plate 7 by the first locking portion 53a will be described later.
  • the protrusion 52 may be formed separately from the front plate 51 and may be fixed to the front plate 51 with a screw, an adhesive, or the like.
  • 1 and 4 show an example in which the protruding portion 532a protrudes from the body portion 531a toward the outside of the display device 1 in the X direction, but protrudes toward the inside of the display device 1 in the X direction. May be.
  • the metal plate 7 is a support member that supports the front plate 51, and is formed in a plate shape from a metal such as iron, aluminum, and stainless steel.
  • the metal plate 7 is formed in a rectangular shape in plan view, for example, in accordance with the shape (rectangular shape) of the front plate 51.
  • the metal plate 7 is provided in parallel with the front plate 51 behind the backlight 3.
  • the metal plate 7 may be made of a material other than metal as long as it has a higher Young's modulus and higher rigidity than the front plate 51.
  • a highly rigid printed board may be used.
  • a plate formed of polyphenyl sulfide (PPS), polybutylene terephthalate (PBT) resin, or glass reinforced resin may be used.
  • a direction parallel to the longitudinal direction of the front plate 51 is defined as an X direction (second direction).
  • a direction parallel to the short direction of the front plate 51 is defined as a Y direction (first direction). That is, the X direction and the Y direction are perpendicular to each other.
  • a direction perpendicular to the surface direction of the front plate 51, that is, a direction perpendicular to both the X direction and the Y direction is defined as a Z direction (vertical direction). As shown in FIG.
  • the metal plate 7 has a plurality of holes that penetrate the metal plate 7 from the front surface to the back surface in the plate thickness direction (Z direction).
  • the front surface and the back surface of the metal plate 7 are a pair of surfaces facing each other in the Z direction.
  • Each of the plurality of holes is formed in a rectangular shape or a square shape having sides parallel to the X direction and the Y direction in plan view. Further, the plurality of holes are formed at positions that do not overlap the TFT glass 2 and the backlight 3, that is, near the outer peripheral edge of the metal plate 7.
  • three first holes 71 left and right holes arranged along the Y direction are formed in one end and the other end of the metal plate 7 in the X direction.
  • two second holes 73 center holes arranged in the Y direction are formed in the center portion of the metal plate 7 in the X direction.
  • One of the two second holes 73 is formed at one end portion in the Y direction in the central portion of the metal plate 7, and the other of the two second holes 73 is in the central portion of the metal plate 7. It is formed at the other end in the Y direction.
  • a first piece 72 is disposed inside the first hole 71.
  • the diameter of the first hole 71 is partially reduced by the first piece 72.
  • the dimension (width) of the first piece 72 in the X direction is smaller than the dimension (hole diameter) of the first hole 71 in the X direction.
  • the dimension (width) of the first piece 72 in the Y direction is smaller than the dimension (hole diameter) of the first hole 71 in the Y direction.
  • each first hole 71 the hole diameter in the X direction of the second part 712 that is the remaining part is smaller than the hole diameter in the X direction of the first part 711 on the lower side in the Y direction.
  • the 1st piece part 72 is formed so that it may become.
  • each first hole 71 has a first part 711 and a second part 712 arranged in the Y direction.
  • the dimension of the first part 711 in the X direction is larger than the dimension of the second part 712 in the X direction. That is, the 2nd site
  • the first piece 72 is formed only in part from the surface of the metal plate 7 in the depth direction (Z direction) of the first hole 71. Specifically, the first piece 72 has one surface and the other surface facing in the Z direction, and the metal plate 7 also has one surface (front surface) and the other surface (back surface) facing in the Z direction. Yes. One surface of the first piece 72 is flush with one surface of the metal plate 7. The other surface of the first piece 72 is located between one surface and the other surface of the metal plate 7 in the Z direction.
  • the first locking portion 53 a is formed at a position corresponding to the position of each first hole 71.
  • the body portion 531a of the first locking portion 53a is disposed at the second portion 712 in the first hole 71, and the protruding portion 532a contacts and locks the other surface of the first piece portion 72 (see FIG. 4). ).
  • the first locking portion 53 a is provided with a backlash in the X direction and the Y direction, that is, a gap (movable gap) between the first locking portion 53 a and the wall surface of the metal plate 7 that defines the first hole 71. Specifically, in the X direction, as shown in FIG.
  • a gap d ⁇ b> 1 is formed between the tip of the protrusion 532 a in the X direction and the wall surface of the metal plate 7 that defines the first hole 71.
  • a gap d2 is formed between the portion 531a and the first piece portion 72, and a gap d3 is formed between the body portion 531a and the wall surface of the metal plate 7 that defines the first hole 71.
  • the first locking portion 53a is the plus side in the X direction with reference to the position of the first locking portion 53a.
  • the gaps d1, d2, and d3 are provided on the negative side.
  • both sides of the body portion 531a in the X direction are defined as one side (plus side) and the other side (minus side), and the protruding portion 532a is defined as being provided on the one side.
  • a gap d2 is formed between the body portion 531a and the first piece portion 72 on one side of the first locking portion 53a, and the first locking portion 53a has first and second sides.
  • a space d1 and a space d3 are formed between the wall surface of the metal plate 7 that defines one hole 71, respectively.
  • the dimensions of the gaps d1, d2, and d3 are the changes in the dimensions of the front plate 51 when the front plate 51 changes in the X direction due to thermal deformation (thermal expansion and thermal contraction) of the front plate 51 at low or high temperatures. It is set to absorb. That is, the dimensions of the gaps d1, d2, and d3 are such that when the dimension of the front plate 51 is increased in the X direction due to thermal expansion, the body 531a and the protrusion 532a of the first locking portion 53a are both in the first hole. 71 is set so as not to interfere with the wall surface of the metal plate 7 defining 71 and the edge of the first piece 72. Furthermore, the dimensions of the gaps d1, d2, and d3 are set so that the protrusion 532a does not fall off from the first piece 72 when the dimension of the front plate 51 decreases in the X direction due to thermal contraction.
  • the protrusion 532 a is locked to the intermediate portion in the Y direction of the first piece 72. That is, in the Y direction, a gap d4 is formed between the protrusion 532a and the wall surface of the metal plate 7 that defines the first hole 71, and between the protrusion 532a and the lower end of the first piece 72 in the Y direction. A gap d5 is formed in the gap. That is, when the upper direction in FIG. 2 is the plus side in the Y direction and the lower direction is the minus side in the Y direction, the first locking portion 53a is the plus side in the Y direction with reference to the position of the first locking portion 53a. , And provided on the negative side via gaps d4 and d5.
  • both sides of the first locking portion 53a in the Y direction are defined as one side (plus side) and the other side (minus side), and the first hole is formed on the other side of the first locking portion 53a. It is defined that 71 1st part 711 is located.
  • a gap d4 is formed between the first locking portion 53a and the wall surface of the metal plate 7 defining the first hole 71 on the one side, and the first locking portion 53a and the first piece portion 72 on the other side.
  • a gap d5 is formed between the other end face.
  • the dimensions of the gap d4 and the gap d5 are such that when the front plate 51 is thermally expanded and the dimension in the Y direction increases, the first locking portion 53a defines the first hole 71 and the wall surface of the metal plate 7 and the first piece 72. It is set so as not to interfere with both edges. Furthermore, the dimensions of the gap d4 and the gap d5 are set such that the protrusion 532a does not fall off the first piece 72 when the front plate 51 is thermally contracted and the dimension in the Y direction is reduced.
  • the second hole 73 is provided with a second piece 74, and the second locking portion 53 b (center locking portion) is locked to the second piece 74.
  • the second piece 74 extends from the upper end in the Y direction of the second hole 73 to the center of the second hole 73.
  • the second piece 74 is formed to have the same width as the hole diameter in the X direction of the second hole 73, and to a width smaller than the hole diameter in the Y direction of the second hole 73. Further, the second piece 74 is formed only in a part from the surface of the metal plate 7 in the depth direction (Z direction) of the second hole 73.
  • the second piece 74 has one surface (front surface) and the other surface (back surface) facing each other in the Y direction, and the metal plate 7 also has one surface and the other surface facing each other in the Y direction.
  • One surface of the second piece 74 is flush with one surface of the metal plate 7.
  • the other surface of the second piece 74 is located in the middle between one surface and the other surface of the metal plate 7 in the Y direction.
  • the dimension (width) in the X direction of the second piece 74 is the same as the hole diameter in the X direction of the second hole 73.
  • the dimension (width) of the second piece 74 in the Y direction is smaller than the diameter of the second hole 73 in the Y direction.
  • the second locking portion 53 b is formed at a position corresponding to the position of each second hole 73.
  • the protrusion 532b of the second locking portion 53b is formed to protrude from the trunk portion 531b to the positive side in the Y direction.
  • the width of the second locking portion 53b in the X direction is set to the same value as the diameter of the second hole 73 in the X direction.
  • both sides of the second locking portion 53b in the Y direction are defined as one side (plus side) and the other side (minus side), and the protruding portion 532b is formed on one side of the second locking portion 53b. Define that is located.
  • the gap d7 is formed between the second locking portion 53b and the second piece 74 on the one side.
  • the gap d6 and the gap d8 are formed between the second locking portion 53b and the wall surface of the metal plate 7 that defines the second hole 73 on the one side and the other side, respectively.
  • the protrusion 532b of the second locking portion 53b is locked to the other surface of the second piece 74. At this time, no gap is formed between the second locking portion 53 b and the wall surface of the metal plate 7 that defines the second hole 73 in the X direction. That is, the 2nd latching
  • a gap d6 is formed between the protrusion 532b and the metal plate 7, and a gap d7 is formed between the trunk 531b and the edge of the second piece 74, and between the trunk 531b and the metal plate 7.
  • a gap d8 is formed in the gap. That is, the second locking portion 53b is provided such that the gaps d6, d7, d8 are formed on the plus side and the minus side in the Y direction with reference to the position of the second locking portion 53b.
  • the gaps d1 to d8 are set in consideration of the amount of thermal deformation of the front plate 51.
  • the amount of thermal deformation of the front plate 51 includes the material of the metal plate 7 (for example, linear expansion coefficient), the material of the front plate 51 (for example, linear expansion coefficient), the temperature range when the display device 1 is used, and the size of the front plate 51. It is determined based on the etc.
  • the cover 5 has a contact portion 500 that contacts the surface of the metal plate 7.
  • FIG. 1 shows an example in which the tip (end surface) of the protrusion 52 is in contact with one surface (surface) of the metal plate 7 in the Z direction.
  • the clearance between the contact portion 500 and the protrusion 532a of the first locking portion 53a and the clearance between the contact portion 500 and the protrusion 532b of the second locking portion 53b are set to be the same as the plate thickness of the metal plate 7. Yes. Accordingly, the displacement of the metal plate 7 in the Z direction is restricted by being sandwiched between the contact portion 500 and the protrusions 532a and 532b.
  • the front plate 51 and the metal plate 7 are fixed by screws 100 at the center portion in the X direction and one end portion in the Y direction of the metal plate 7.
  • the front plate 51 and the metal plate 7 are fixed by the screw 100 in the vicinity of the center end of the metal plate 7.
  • a screw hole 75 is formed near the center end of the metal plate 7.
  • a screw fixing portion 57 in which a screw groove 571 is formed is disposed on a portion of one surface of the metal plate 7 facing the screw hole 75.
  • the screw fixing portion 57 is formed integrally or separately with the front plate 51 (not shown in FIG. 3), and then fixed to the front plate 51 with screws or the like.
  • the screw 100 is inserted into the screw hole 75 and the screw groove 571 from the other surface of the metal plate 7 and fastened by the screw groove 571.
  • the front plate 51 is thermally deformed based on the fastening position of the screw 100. That is, in the X direction, the front plate 51 is thermally expanded or contracted in the X direction with reference to a line L1 (see FIG. 2) passing through the fastening position of the screw 100 and parallel to the Y direction. Further, in the Y direction, the front plate 51 thermally expands or contracts in the Y direction with reference to a line L2 (see FIG. 2) that passes through the fastening position of the screw 100 and is parallel to the X direction. Accordingly, the gaps d1 to d8 are set with reference to the lines L1 and L2.
  • the front plate 51 and the TFT glass 2 are bonded together in advance with the optical adhesive 6, and the backlight 3 is placed on the metal plate 7.
  • the metal plate 7 is disposed so that the first locking portion 53a and the second locking portion 53b do not interfere with the first piece 72 and the second piece 74 disposed in the first hole 71 and the second hole 73.
  • the front plate 51 is placed on the metal plate 7 with the front plate 51 slightly shifted to the minus side in the Y direction with respect to the screw hole 75 formed in the above.
  • the first locking portion 53a and the second locking portion 53b are inserted into the first hole 71 and the second hole 73, respectively.
  • the protrusions 532 a and 532 b are not locked to the first piece 72 and the second piece 74.
  • the front plate 51 is slid to the plus side in the Y direction so that the screw hole 75 and the screw fixing portion 57 are aligned.
  • the protrusions 532a and 532b are respectively engaged with the other surface of the first piece 72 and the other surface of the second piece 74, so that gaps d1 to d8 are formed.
  • the metal plate 7 is fixed to the screw fixing portion 57 by inserting the screw 100 into the screw hole 75 and the screw groove 571.
  • the display device 1 is attached to an instrument panel portion of a vehicle, for example. Due to the distortion of the mounting surface of the instrument panel portion and insufficient dimensional accuracy, a force is applied to the front plate 51 to distort the surface (see FIG. 7A). Therefore, the front plate 51 is attached to the high-rigidity metal plate 7, and the front plate 51 is further configured such that the displacement in the Z direction is regulated by the first locking portion 53a and the second locking portion 53b. Attached to the metal plate 7. As a result, distortion of the front plate 51 can be suppressed.
  • the display device 1 is attached to the mounting surface of the vehicle by a clip, for example.
  • the front plate 51 is pushed or hit in the Z direction, and the front plate 51 receives a force to bend in the Z direction (see FIG. 7B).
  • the display device 1 is configured to be capable of touch operation, if the touch operation is excessively performed on the front plate 51 and an operation load is applied, the front device 51 tends to bend in the Z direction. (See FIG. 7B). Therefore, the front plate 51 is formed with ribs 55 and flanges 56 (see FIG. 1). As a result, the bending of the front plate 51 in the Z direction can be suppressed.
  • the linear expansion coefficient of the front plate 51 is larger than the linear expansion coefficient of the metal plate 7. Due to the difference in linear expansion coefficient between them, the front plate 51 expands and contracts in the X direction and the Y direction at high temperatures or low temperatures (see FIG. 7C). Therefore, the front plate 51 is separated from the metal plate 7 by gaps d1 to d8 (see FIGS. 2, 3, and 4) formed between the first locking portion 53a and the second locking portion 53b. Displacement in the X and Y directions is possible. Thereby, expansion and contraction of the front plate 51 is allowed (see FIG. 8). In the example of FIG.
  • the front plate 51 extends in the X direction when the temperature is high, with the movement of the first locking portion 53 a in the first hole 71 as compared to the normal temperature.
  • warpage of the front plate 51 in the Z direction can be suppressed by suppressing the front plate 51 from being distorted or bent in the Z direction.
  • the front plate 201 and the metal plate 202 are firmly fixed by the screws 203 to restrict the displacement of the front plate 201 in the X direction and the Y direction.
  • the front plate 201 is restricted from changing in dimensions in the X direction and the Y direction, and the front plate 201 is warped in the Z direction.
  • the TFT glass 205 bonded to the front plate 201 by the optical adhesive 204 is also warped in the Z direction by being pulled by the warpage of the front plate 201. As a result, the display quality of the TFT glass 205 is degraded.
  • first locking portion 53a, the second locking portion 53b, the first piece portion 72, and the second piece portion 74 correspond to the mounting portion of the present disclosure.
  • the front plate 51 is provided with a third locking portion 58 shown in FIG. 10 instead of the first locking portion 53a and the second locking portion 53b described above.
  • the configuration other than the third locking portion 58 is the same as that of the first embodiment.
  • the front plate when the front plate is assembled to the metal plate, the front plate is placed after the front plate is placed in a shifted state so that the locking portion and the piece (hook portion) do not interfere with each other. By sliding, the locking part is locked to the one part.
  • the front plate is attached to the metal plate by snap fitting.
  • locking part 58 is comprised as a snap fit, and has the trunk
  • the protruding portion 582 is formed at the tip of the body portion 581 and protrudes laterally from the body portion 581.
  • the protrusion 582 has a slope 583. When the front plate 51 is assembled to the metal plate 7, the slope 583 is provided with the first piece 72 and the second piece 74 disposed in the first hole 71 and the second hole 73 formed in the metal plate 7. It hits.
  • the third locking portion 58 can be inserted into the first hole 71 and the second hole 73 while the body portion 581 is bent, and the protrusion 582 is connected to the other surface of the first piece 72 and the second piece 74. It can be locked to the surface.
  • the work of sliding the front plate when assembling can be omitted.
  • FIG. 11 shows a cross-sectional view of the display device 1 of the present embodiment.
  • a fixing device mounting portion 59 is provided integrally with the front plate 51 behind the front plate 51.
  • the fixture mounting portion 59 is provided in a portion of the front plate 51 that is close to the metal plate 7. Note that the fixture mounting portion 59 may be formed separately from the front plate 51 and fixed to the front plate 51 with screws or the like.
  • the fixture mounting part 59 has a flat plate part 591 as shown in FIG.
  • the flat plate portion 591 is provided in parallel to the surface direction (X direction and Y direction).
  • the flat plate portion 591 is formed with a fixture insertion hole 592 that penetrates the flat plate portion 591 in the Z direction.
  • the fixture insertion hole 592 includes a central hole 593 (first through hole) and a conduction hole 594 connecting the central hole 593 and the edge of the flat plate portion 591.
  • a conduction hole 594 connecting the central hole 593 and the edge of the flat plate portion 591.
  • the diameter E1 of the central hole 593 is larger than the diameter E2 of the conduction hole 594. Further, the diameter E1 of the central hole 593 is larger than the diameter of a first shaft portion 811 (see FIG. 13) of the clip 81 described later.
  • the diameter E2 of the conduction hole 594 is equal to the diameter of the first shaft portion 811. Specifically, for example, the first shaft portion 811 can be passed through the conduction hole 594, but the first shaft portion 811 cannot be passed through the conduction hole 594 unless a slight force is applied.
  • the diameter E2 of the conduction hole 594 is slightly smaller than the diameter of the shaft portion 811.
  • a plurality of fixture mounting portions 59 are formed on the outer peripheral portion of the front plate 51.
  • the number of fixture mounting portions 59 is four.
  • the convex part 510 is provided in the surface (back surface) which opposes the metal plate 7 among the front plates 51.
  • FIG. The convex portion 510 is provided integrally with the front plate 51 and serves as a positioning reference when the front plate 51 and the metal plate 7 are assembled.
  • a plurality of convex portions 510 are provided. In the example of FIG. 14, among the front plates 51, two at both ends on a line L3 passing through the center O of the front plate 51 and parallel to the X direction, and one at one end on a line L4 passing through the center O and parallel to the Y direction. A total of three convex portions 510 are provided.
  • a circular or oval clip insertion hole 76 is formed in the facing portion 70 of the metal plate 7 facing the fixture mounting portion 59.
  • the clip insertion hole 76 has a diameter equivalent to that of the second shaft portion 815 of the clip 81 (see FIG. 13).
  • the diameter of the clip insertion hole 76 is such that the second shaft portion 815 can be inserted, but the clip insertion hole 76 cannot be inserted through the clip insertion hole 76 unless a slight force is applied.
  • the diameter of the second shaft portion 815 that is not inserted into the hole 76 is set to be slightly smaller than the diameter of the portion swelled in the most radial direction.
  • the diameter of the clip insertion hole 76 is the same as the diameter of the portion of the second shaft portion 815 located inside the clip insertion hole 76 in a state where the second shaft portion 815 is inserted into the clip insertion hole 76. It has become.
  • a groove 700 is formed in the metal plate 7 at a position facing the convex portion 510 provided on the front plate 51. In the state where the metal plate 7 and the front plate 51 are assembled, the convex portion 510 is fitted in the groove 700.
  • a clip 81 is provided in the fixture mounting portion 59 and the clip insertion hole 76.
  • the clip 81 is a fixture for fixing the metal plate 7 and the front plate 51, and is formed of a resin such as polyacetal.
  • the clip 81 is formed in the shape shown in FIG. That is, the clip 81 includes a first shaft portion 811 formed in a columnar shape, flange portions 812 and 813 formed at both ends of the first shaft portion 811 in the axial direction of the first shaft portion 811, and the first shaft portion.
  • the second shaft portion 815 has a circular cross section perpendicular to the axis L5 (see FIG. 13).
  • the diameter of the cross section of the second shaft portion 815 changes along the direction of the axis L5. Specifically, the diameter of the cross section of the second shaft portion 815 gradually increases from the tip of the second shaft portion 815 toward the first shaft portion 811, and the maximum diameter at a position between the tip and the first shaft portion 811. It becomes.
  • the diameter of the cross section of the second shaft portion 815 is equal to the maximum diameter between the position and the first shaft portion 811.
  • a plurality of grooves 816 are partially formed in the second shaft portion 815. The groove 816 makes it easy for the second shaft portion 815 to elastically deform when the clip 81 is mounted on the fixture mounting portion 59, and the second shaft portion 815 can be easily mounted.
  • the diameter of the two flange portions 812 and the diameter of the flange portion 813 located at both ends of the first shaft portion 811 are larger than the diameter E1 of the central hole 593 (see FIG. 12). Further, the axial distance between the flange portion 812 and the flange portion 813, in other words, the length of the first shaft portion 811 in the axial direction is equal to the plate thickness of the flat plate portion 591.
  • the flange portion 814 is provided adjacent to the flange portion 813 at a position close to the first shaft portion 811 in the second shaft portion 815, and the diameter of the clip insertion hole 76 (see FIGS. 11, 14, and 15). Has a larger diameter.
  • the first shaft portion 811 is attached to the flat plate portion 591 of the fixture mounting portion 59 by being inserted into the central hole 593. Since the diameter of the first shaft portion 811 is smaller than the diameter E1 of the central hole 593, a gap d9 is formed between the first shaft portion 811 and the wall surface of the fixture mounting portion 59 that defines the central hole 593. ing. The dimension of the gap d9 is set so that the first shaft portion 811 does not interfere with the inner wall of the central hole 593 when the front plate 51 is thermally deformed and the dimensions in the X direction and the Y direction change.
  • One surface of the flat plate portion 591 in the Z direction is in contact with the flange portion 812, and the other surface is in contact with the flange portion 813. That is, the flat plate portion 591 is fixed between the flange portion 812 and the flange portion 813, and thereby the movement of the front plate 51 in the Z direction is restricted.
  • the second shaft portion 815 is inserted into a clip insertion hole 76 formed in the metal plate 7.
  • a portion of the second shaft portion 815 adjacent to the first shaft portion 811 is in contact with the wall surface of the metal plate 7 defining the clip insertion hole 76 inside the clip insertion hole 76 in a state where pressure is applied.
  • the tip end of the second shaft portion 815 protrudes from the clip insertion hole 76.
  • the collar part 814 and the metal plate 7 are in contact.
  • the 2nd axial part 815 is attached to the metal plate 7 so that the displacement to a X direction, a Y direction, and a Z direction is controlled.
  • the configuration other than the above configuration is the same as that of the first embodiment, and a description thereof will be omitted.
  • the front plate 51 and the TFT glass 2 are bonded together in advance with the optical adhesive 6, and the backlight 3 is placed on the metal plate 7.
  • the clip 81 is mounted on each fixture mounting portion 59 provided on the front plate 51. Specifically, the first shaft portion 811 of the clip 81 is inserted into the conduction hole 594 and moved to the center hole 593.
  • the front plate 51 and the metal plate 7 are attached to each other by fitting the convex portion 510 of the front plate 51 to which the clip 81 is attached into the groove 700 of the metal plate 7. Position it. Finally, the second shaft portion 815 of the clip 81 is fitted into the clip insertion hole 76.
  • a gap d9 (see FIG. 15) is formed between the clip 81 (first shaft portion 811) and the fixture mounting portion 59 in the surface direction.
  • the front plate 51 is attached to the metal plate 7 with the displacement in the Z direction being restricted by the clip 81, as in the first embodiment, due to distortion of the mounting surface of the vehicle and insufficient dimensional accuracy. Distortion of the front plate 51 can be suppressed.
  • the fixture mounting portion 59 corresponds to the first mounting portion of the present disclosure.
  • the clip insertion hole 76 corresponds to the second attachment portion.
  • the clip 81 corresponds to an interposed member (fixing tool).
  • FIG. 16 shows a cross-sectional view of the display device 1 of the present embodiment.
  • the present embodiment is different from the third embodiment in that the front plate 51 and the metal plate 7 are fixed by the washer 82 and the screw 110, and the other points are the same as the third embodiment.
  • a fixture mounting portion 59 in which a fixture insertion hole 592 shown in FIG. 12 is formed is provided on the surface (rear surface) facing the metal plate 7 of the front plate 51.
  • the diameter E1 of the central hole 593 of the fixture insertion hole 592 is larger than the diameter of the intermediate portion 821 (see FIG. 16) of the washer 82.
  • the diameter E2 of the conduction hole 594 is equal to the diameter of the intermediate portion 821.
  • a screw hole 77 is formed in the facing portion 70 of the metal plate 7 facing the fixture mounting portion 59.
  • a washer 82 as a fixture is attached to the fixture attachment portion 59.
  • the washer 82 is made of metal, for example, but may be made of resin.
  • the washer 82 has a cylindrical shape having a through hole 823 (second through hole).
  • a thread groove is formed on the inner wall surface of the washer 82 that defines the through hole 823.
  • the washer 82 has an intermediate part 821 and two large diameter parts 822.
  • the two large diameter portions 822 are formed at both ends of the washer 82 in the axial direction.
  • the intermediate portion 821 is located between the two large diameter portions 822 in the axial direction.
  • the intermediate portion 821 is located between the two large diameter portions 822 in the axial direction of the washer 82.
  • the diameters of the two large diameter portions 822 are larger than the diameter of the intermediate portion 821.
  • the distance between the two large diameter portions 822 in the axial direction of the washer 82, that is, the length of the intermediate portion 821 is set to be equal to the plate thickness of the fixture mounting portion 59.
  • the diameter of the large diameter portion 822 is larger than the diameter of the central hole 593 and the diameter of the screw hole 77.
  • the screw 110 is inserted into the screw hole 77 and the through hole 823 of the washer 82.
  • the screw 110 is inserted into the screw hole 77 and the through hole 823 from the outside of the display device 1 in the Z direction, and is fastened and fixed to the washer 82.
  • the metal plate 7 and the front plate 51 are fixed to each other.
  • one large diameter portion 822 of the two large diameter portions 822 of the washer 82 is located outside the display device 1 and the other large diameter portion 822 is , Located between the front plate 51 and the metal plate 7.
  • the screw 110 is made of metal, for example, but may be made of resin.
  • a gap d10 is formed between the intermediate portion 821 and the wall surface of the fixture mounting portion 59 that defines the central hole 593.
  • the dimension of the gap d10 is set so that the intermediate part 821 does not interfere with the wall surface of the fixture mounting part 59 when the dimension of the front plate 51 changes in the X direction and the Y direction.
  • one surface of the fixture mounting portion 59 in the Z direction is in contact with one large diameter portion 822, and the other surface of the fixture mounting portion 59 is in contact with the other large diameter portion 822. That is, the fixture mounting portion 59 is fixed between the two large-diameter portions 822, thereby restricting the movement of the front plate 51 in the Z direction.
  • one surface of the facing portion 70 of the metal plate 7 is in contact with one large diameter portion 822, and the other surface is in contact with the head of the screw 110. That is, the facing portion 70 is fixed between the large-diameter portion 822 and the head portion of the screw 110, thereby restricting movement of the metal plate 7 in the Z direction.
  • the front plate 51 and the TFT glass 2 are bonded together in advance with the optical adhesive 6, and the backlight 3 is placed on the metal plate 7.
  • a washer 82 is attached to each fixture attachment portion 59 provided on the front plate 51. Specifically, the intermediate portion 821 of the washer 82 is inserted into the conduction hole 594 and moved to the center hole 593. Subsequently, the front plate 51 with the washer 82 and the metal plate 7 are positioned with respect to each other and fixed to each other with the screws 110. When positioning the metal plate 7 and the front plate 51, a positioning portion such as the convex portion 510 and the groove 700 (see FIG. 14) described above can be used.
  • the gap d10 is formed between the washer 82 and the fixture mounting portion 59, dimensional changes in the X direction and the Y direction of the front plate 51 are allowed when the front plate 51 is thermally deformed. Is done. Thereby, the curvature to the Z direction of the front plate 51 can be suppressed, and the deterioration of display quality, such as a nonuniformity in the display color and brightness of TFT glass 2, can be suppressed. Further, since the front plate 51 is attached to the metal plate 7 with displacement in the Z direction being restricted by the washer 82 and the screw 110, the front plate 51 is distorted due to distortion of the mounting surface of the vehicle or insufficient dimensional accuracy. This can be suppressed.
  • the fixture mounting portion 59 corresponds to the washer mounting portion of the present disclosure.
  • the screw hole 77 corresponds to a screw insertion hole.
  • FIG. 17 shows a cross-sectional view of the display device 1 of the present embodiment.
  • a fixture mounting portion 520 is provided on a surface (back surface) of the front plate 51 that faces the metal plate 7.
  • the fixture mounting portion 520 extends in the Z direction from the front plate 51 toward the metal plate 7.
  • the fixture mounting portion 520 is formed integrally with the front plate 51. Alternatively, the fixture mounting portion 520 may be formed separately from the front plate 51 and fixed to the front plate 51 with screws or the like.
  • the fixture mounting portion 520 has a plate portion 521.
  • the fixture mounting portion 520 is provided so that the plate portion 521 is parallel to the X direction and the Z direction. As shown in FIG. 19, the plate portion 521 has a rectangular or square flat plate shape.
  • the plate portion 521 has a side parallel to the X direction and a side parallel to the Z direction in plan view. Further, the width in the Y direction of the plate portion 521 is smaller than the width in the X direction and the width in the Z direction.
  • the width in the Y direction of the plate portion 521 is referred to as the plate thickness of the plate portion 521.
  • the plate portion 521 is formed with a through hole 522 that passes through the plate portion 521 in the plate thickness direction (Y direction).
  • the through hole 522 has a quadrangular shape defined by four sides parallel to the four outer peripheries of the plate portion 521 in the front view of FIG. Further, the through hole 522 is formed in the central portion of the plate portion 521, specifically, the central portion in the X direction and the central portion in the Z direction.
  • the fixture mounting portion 520 has two wall portions 523 that face each other in the X direction.
  • One wall portion 523 of the two wall portions 523 protrudes in the Y direction from one end of the opposite ends of the plate portion 521 in the X direction.
  • the other wall portion 523 protrudes in the Y direction from the other end of the both ends of the plate portion 521.
  • each of the two wall portions 523 has a plane parallel to both the Y direction and the Z direction.
  • the edge of the plate portion 521 is connected to the center portion in the Y direction of the plane of each wall portion 523. That is, each wall portion 523 protrudes on the plus side and the minus side in the Y direction with reference to the position of the plate portion 521. In other words, each wall portion 523 protrudes from the plate portion 521 on both sides in the Y direction.
  • the two wall portions 523 are separated from each other by a distance C1 (see FIG. 19).
  • the interval C1 is smaller than the diameter in the X direction of a clip insertion hole 78 (see FIGS. 17 and 21) of the metal plate 7 to be described later.
  • the width C ⁇ b> 2 of each wall portion 523 in the Y direction is smaller than the diameter of the clip insertion hole 78 of the metal plate 7 in the Y direction.
  • the facing portion 70 of the metal plate 7 is also illustrated.
  • the fixture mounting portion 520 has two protrusions 524.
  • Each of the two protruding portions 524 protrudes in the Y direction from one end of the two wall portions 523 that is close to the front plate 51 in the Z direction.
  • Each of the two wall portions 523 has one protrusion 524.
  • the protrusions 524 protrude on the plus side and the minus side in the Y direction with reference to the position of the plate part 521. As shown in FIG. 20, the width C3 of the protruding portion 524 in the Y direction is larger than the diameter of the clip insertion hole 78 of the metal plate 7 in the Y direction.
  • a clip insertion hole 78 is formed in the facing portion 70 of the metal plate 7 facing the fixture mounting portion 520.
  • the clip insertion hole 78 penetrates the facing portion 70 in the Z direction.
  • the clip insertion hole 78 is formed in a rectangular shape or a square shape having sides parallel to the X direction and the Y direction.
  • a clip 83 as a fixture is attached to the fixture attachment portion 520 and the clip insertion hole 78.
  • the clip 83 corresponds to the elastic member of the present disclosure.
  • the clip 83 is made of metal, for example, but may be made of resin.
  • the clip 83 has the shape shown in FIGS. 22, 23, and 24. 23 and 24 show the orientations (X direction, Y direction, and Z direction) in a state where the clip 83 is mounted in the fixture mounting portion 520 and the clip insertion hole 78.
  • the clip 83 has a first plate portion and a second plate portion that are opposed to each other with a gap therebetween.
  • the second plate portion and the second plate portion are referred to as two plate portions 831.
  • Each plate portion 831 has an elongated plate shape.
  • the two plate portions 831 are connected to each other at one end (end portion 831d) in the longitudinal direction.
  • each of the two plate portions 831 has an end portion 831d and an end portion 831e that face each other in the longitudinal direction (Z direction).
  • the two end portions 831d are connected to each other to form the tip of the clip 83.
  • the two end portions 831e are separated from each other in the Y direction and form an open end.
  • each of the two plate portions 831 has a first portion 831a (first plate) formed so that the interval between the plate portions 831 gradually increases from the end portion 831d toward the end portion 831e.
  • a second part 831b second plate part formed so as to be gradually narrowed toward the end part 831e by connecting to the first part 831a, and connected to the second part 831b.
  • a third portion 831c third plate portion formed so that the interval gradually increases toward the end portion 831e.
  • An end portion 831e of the third portion 831c opposite to the connection portion 831g connected to the second portion 831b is an opening end of the plate portion 831.
  • each of the two plate portions 831 includes a first portion 831a including the end portion 831d, a third portion 831c including the end portion 831e, and a second portion 831b connecting the first portion 831a and the third portion 831c.
  • the distance in the Y direction between the two first portions 831a increases from the tip toward the open end.
  • the distance in the Y direction between the two second portions 831b decreases toward the opening end.
  • the distance in the Y direction between the two third portions 831c increases toward the opening end.
  • the length of the first part 831a is the longest.
  • Each plate portion 831 is swelled most at the connection portion between the first portion 831a and the second portion 831b.
  • the connecting portion is hereinafter referred to as a bending portion 831f.
  • the distance in the Y direction between the two plate portions 831 is the largest in the curved portion 831f.
  • the distance is referred to as an interval B1 (see FIG. 23).
  • the interval B1 is larger than the diameter of the clip insertion hole 78 (see FIG. 21) in the Y direction.
  • the distance in the Y direction between the two third parts 831c is the smallest at the connection portion 831g between the second part 831b and the third part 831c.
  • the distance is set as an interval B2.
  • the interval B2 is larger than the diameter of the clip insertion hole 78 in the Y direction and is larger than the plate thickness of the plate portion 521 of the fixture mounting portion 520. large.
  • the distance in the Y direction between the two end portions 831e forming the open end is defined as a distance B3.
  • the interval B3 is larger than the plate thickness of the plate portion 521 of the fixture mounting portion 520.
  • the distance in the Z direction from the end 831d to the end 831e is defined as a distance B4.
  • the interval B4 is larger than the plate thickness of the metal plate 7.
  • the width B5 (see FIG. 24) of the clip 83 in the X direction is smaller than the interval C1 (see FIG. 19) in the X direction between the two wall portions 523 of the fixture mounting portion 520.
  • a through hole 831h (see FIG. 22) is formed in each plate portion 831.
  • the through hole 831h is formed in a rectangular shape extending in the longitudinal direction of the plate portion 831 when viewed from the front.
  • the through hole 831h is formed from the first part 831a to the second part 831b.
  • the two holes 831h make it easy for the two plate portions 831 to be separated in the out-of-plane direction (Y direction). That is, the two plate portions 831 are easily elastically deformed (plate spring deformation) in the out-of-plane direction.
  • the two plate portions 831 are formed by bending a single plate material. That is, the tip which is a connection portion between the two plate portions 831 is a bending point of a single plate material.
  • the clip 83 is configured to be elastically deformable in a direction in which the distance between the two plate portions 831 is increased or decreased with the tip as a base point.
  • the plate portion 831 is configured to be elastically deformable so as to bend in the out-of-plane direction. That is, the plate portion 831 has a function of a plate spring.
  • the clip 83 further includes two inner plate portions 832 that are opposed to each other with a gap therebetween.
  • the two inner plate portions 832 are located between the two plate portions 831 in the Y direction.
  • the two inner plate portions 832 are formed of the same plate material as the two plate portions 831.
  • Each inner plate portion 832 has a first inner portion formed such that one end is connected to the first portion 831a and the distance from the other inner plate portion 832 is gradually reduced from the connecting portion toward the other end side. 832a and a second inner portion 832b connected to an end of the first inner portion 832a opposite to the side connected to the first portion 831a.
  • each of the two inner plate portions 832 includes a first inner portion 832a and a second inner portion 832b.
  • the first inner portion 832a has one end connected to the first portion 831a and the other end connected to the second inner portion 832b in the longitudinal direction.
  • the second inner portion 832b has one end 832c facing the tip of the plate portion 831 and the other end 832d facing the opening end of the plate portion 831 in the longitudinal direction.
  • the first inner portion 832a is connected to the end portion on the distal end side in the longitudinal direction of the through hole 831h, and is formed so as to gradually approach the opening end of the plate portion 831 as it goes to the other end side.
  • the other end connected to the second inner portion 832b of the first inner portion 832a is located between the one end connected to the first portion 831a and the opening end of the plate portion 831 in the Z direction.
  • a through hole 832f is formed in the first inner portion 832a.
  • the second inner portion 832b has an elongated shape extending in the same direction as the plate portion 831. Further, as shown in FIG. 23, the distance between the two second inner portions 832b increases from one end 832c (front end side end) toward the other end 832d (opening side end portion).
  • the distance F1 between the two ends 832c is based on the thickness of the plate portion 521 (see FIGS. 18 to 20) of the fixture mounting portion 520 when the clip 83 is not attached to the component. Is also small. Further, the interval F2 (see FIG. 23) between the two other ends 832d is larger than the plate thickness of the plate portion 521 when the clip 83 is not attached to the component.
  • the second inner portion 832b is connected to the first inner portion 832a at an intermediate position in the longitudinal direction.
  • a portion from the connecting portion with the first inner portion 832a to the one end 832c is referred to as a hook portion 832e (see FIGS. 22 and 23).
  • the hooking portion 832e is disposed in the through hole 522 of the plate portion 521 and has a width that can be locked to the plate portion 521.
  • the plate portion 521 of the fixture mounting portion 520 is mounted between the two plate portions 831 of the clip 83. Further, the two hook portions 832 e of the clip 83 are locked to the plate portion 521 in the through hole 522. At this time, one hooking portion 832e is hooked to the plate portion 521 at one opening portion of the through hole 522, and the other hooking portion 832e is hooked to the plate portion 521 at the other opening portion of the through hole 522. . In this way, the hooking portion 832e is locked to the plate portion 521 in both of the two openings of the through hole 522, thereby preventing the fixture mounting portion 520 from being detached from the clip 83. Further, as shown in FIG. 25, the clip 83 is mounted between the two wall portions 523 of the fixing device mounting portion 520. The movement of the clip 83 in the X direction is restricted by the two wall portions 523.
  • the clip 83 and the fixture mounting portion 520 to which the clip 83 is mounted are both inserted into the clip insertion hole 78.
  • the normal direction of the plate portion 521 is oriented in the Y direction, which is the short direction of the front plate 51, and the normal direction of the wall surface of the wall portion 523 to which the plate portion 521 is connected is the longitudinal direction of the front plate 51. It faces in a certain X direction.
  • the clip 83 is clipped so that the direction in which the two plate portions 831 face each other, that is, the direction in which the spring deformation of the plate portion 831 acts coincides with the Y direction, and the short direction of the plate portion 831 coincides with the X direction. It is mounted in the insertion hole 78.
  • the clip 83 and the fixture mounting part 520 to which the clip 83 is mounted partially protrude from the metal plate 7 to the outside of the display device 1.
  • the curved portion 831 f of the plate portion 831 is located slightly below the rear opening of the clip insertion hole 78 (behind the metal plate 7).
  • the opening end between the two end portions 831e is located slightly above the opening on the surface side of the clip insertion hole 78 (on the surface side of the metal plate 7).
  • the clip insertion hole 78 is located between the open end of the plate portion 831 and the curved portion 831f of the plate portion 831 in the Z direction.
  • the recesses (the second portion 831b and the third portion 831c) between the curved portion 831f of the plate portion 831 and the open end widen the interval between the two plate portions 831 inside the clip insertion hole 78. It is provided in a state where the spring force to be applied is applied.
  • the protruding portion 524 of the fixture mounting portion 520 is in contact with the surface of the metal plate 7 outside the clip insertion hole 78.
  • the spring force of the clip 83 is applied, the concave portion of the plate portion 831 is provided in the clip insertion hole 78, and the protruding portion 524 is in contact with the surface of the metal plate 7.
  • the clip 83 and the fixture mounting portion 520 mounted on the clip 83 are prevented from moving in the Z direction and coming off from the clip insertion hole 78. As a result, the displacement of the front plate 51 in the Z direction is restricted.
  • the metal plate 7 that defines the wall portion 523 and the clip insertion hole 78 in the X direction.
  • a gap d11 (see FIG. 25) is formed between the wall surface.
  • the gap d ⁇ b> 11 is also set between one wall portion 523 and the wall surface of the metal plate 7, and is also set between the other wall portion 523 and the wall surface of the metal plate 7.
  • the size of the gap d11 is set so that the wall portion 523 does not interfere with the wall surface of the metal plate 7 when the front plate 51 is thermally deformed and the dimensions in the X direction and the Y direction change.
  • the front plate 51 and the TFT glass 2 are bonded together in advance with the optical adhesive 6, and the backlight 3 is placed on the metal plate 7.
  • the clip 83 is attached to the fixture attachment portion 520. Specifically, the clip 83 is pushed in with the plate portion 521 of the fixture mounting portion 520 positioned between the two second inner portions 832b of the clip 83. Then, the space between the two inner plate portions 832 is widened, and one end 832c (see FIG. 23) of the inner plate portion 832 is placed on the surface of the plate portion 521. When the clip 83 is further pushed in, the hook portion 832e (one end 832c) of the clip 83 is hooked on the plate portion 521 inside the through hole 522 of the fixture mounting portion 520. When the clip 83 is pushed in, the clip 83 is guided by the two wall portions 523. As a result, the mounting of the clip 83 to the fixture mounting portion 520 is completed.
  • the front plate 51 on which the clip 83 is mounted and the metal plate 7 are positioned relative to each other.
  • a positioning portion such as the convex portion 510 and the groove 700 (see FIG. 14) described above can be used.
  • the clip 83 and the fixture mounting portion 520 to which the clip 83 is mounted are pushed into the clip insertion hole 78.
  • the clip 83 and the fixture mounting portion 520 are inserted into the clip insertion hole 78 by reducing the distance between the plate portions 831 according to the diameter of the clip insertion hole 78 in the Y direction.
  • the protruding portion 524 of the fixture mounting portion 520 hits the surface of the metal plate 7, whereby the mounting of the clip 83 and the fixture mounting portion 520 to the clip insertion hole 78 is completed.
  • the gap d11 (see FIG. 25) is formed between the fixture mounting portion 520 and the clip insertion hole 78 in the X direction, the dimensional change in the X direction of the front plate 51 is allowed.
  • the front plate 51 is thermally deformed and changes its dimensions in the Y direction, a force due to the thermal deformation is applied to the plate portion 831 and the inner plate portion 832 of the clip 83, and the plate portion 831 and the inner plate portion 832 are made to spring. Deform. Due to this spring deformation, a dimensional change in the Y direction of the front plate 51 is allowed.
  • the plate portion 831 is provided on each of the plus side and the minus side in the Y direction with reference to the plate portion 521 of the fixture mounting portion 520, the front plate 51 is dimensioned on either the plus side or the minus side in the Y direction. Even if it changes, the dimensional change can be absorbed by the plate portion 831.
  • the front plate 51 As a result of the dimensional change in the X direction and Y direction of the front plate 51 being allowed, warpage in the Z direction of the front plate 51 can be suppressed, and display quality such as unevenness in the display color and brightness of the TFT glass 2 can be obtained. Reduction can be suppressed. Further, since the front plate 51 is attached to the metal plate 7 in a state where displacement in the Z direction is restricted by the clip 83, the front plate 51 is distorted due to distortion of the mounting surface of the vehicle or insufficient dimensional accuracy. Can be suppressed.
  • the front plate 51 has a longer width in the longitudinal direction (X direction) than a width in the short direction (Y direction), the amount of dimensional change in the X direction is large.
  • the dimensional change amount is large only by the spring deformation of the clip 83, the dimensional change may not be absorbed.
  • the gap is formed in the X direction where the amount of dimensional change is large, the dimensional change is regulated by setting the size of the gap in consideration of the assumed amount of thermal deformation. Can be suppressed.
  • the fixture mounting portion 520 corresponds to the first attachment portion of the present disclosure.
  • the clip insertion hole 78 corresponds to the second attachment portion.
  • the plate portion 831 corresponds to the plate portion.
  • the clip 83 corresponds to an interposed member (fixing tool).
  • the clip 84 corresponds to the elastic member of the present disclosure.
  • the clip 84 includes a first plate portion 841 and a second plate portion 842 that are opposed to each other with a gap therebetween.
  • Each of the first plate portion 841 and the second plate portion 842 has an elongated plate shape.
  • the first plate portion 841 and the second plate portion 842 are connected to each other at one end in the longitudinal direction.
  • the first plate portion 841 is a plate spring portion having a plate spring function
  • the second plate portion 842 is a non-plate spring portion having no plate spring function.
  • the first plate portion 841 is formed so that, for example, the end portion 845 (see FIG. 28) has a large radius of curvature. Thereby, the first plate portion 841 is easily deformed in the Y direction.
  • the second plate portion 842 extends substantially linearly in the longitudinal direction.
  • the first plate portion 841 has one surface facing the second plate portion 842 and the other surface facing the one surface.
  • a first convex portion 841 a that protrudes in a direction away from the second plate portion 842 is formed at an intermediate portion in the longitudinal direction of the other surface of the first plate portion 841.
  • one surface of the first plate portion 841 has a second convex portion 841 b that protrudes toward the second plate portion 842.
  • the 2nd convex part 841b is formed in the other end part of a longitudinal direction opposite to the end which the 1st board part 841 and the 2nd board part 842 connect among the one surfaces of the 1st board part 841.
  • the 2nd board part 842 has the one surface and other surface which oppose in a Y direction.
  • the other surface of the second plate portion 842 faces the first plate portion 841.
  • the other end portion in the longitudinal direction has a third convex portion 842a that protrudes in a direction away from the first plate portion 841.
  • a protrusion 843 is formed on one surface of the first plate portion 841.
  • a protrusion 844 is formed on the other surface of the second plate portion 842. The protrusion 843 and the protrusion 844 oppose each other in the Y direction.
  • a fixture mounting portion having the same shape as the fixture mounting portion 520 of FIG. 18 is provided.
  • the plate portion 521 of the fixture mounting portion 520 is disposed between the first plate portion 841 and the second plate portion 842, and the protrusion 843 and the protrusion 844 are fitted into the through hole 522 of the plate portion 521, whereby the clip 84 is It is attached to the fixture attaching part 520.
  • the clip 84 and the fixture mounting portion 520 are inserted into a clip insertion hole 78 (see FIG. 21) formed in the metal plate 7.
  • the front plate 51 is attached to the metal plate 7.
  • the short direction of the first plate portion 841 and the second plate portion 842 faces the X direction
  • the direction in which the first plate portion 841 and the second plate portion 842 face each other is the Y direction.
  • a gap is formed between the first plate portion 841 and the second plate portion 842 and the wall surface of the metal plate 7 that defines the clip insertion hole 78. Therefore, the dimensional change in the X direction of the front plate 51 can be allowed.
  • the first plate portion 841 since the first plate portion 841 is arranged so as to be deformable in the Y direction, the first plate portion 841 changes the dimension of the front plate 51 in the Y direction, in particular, the dimension in the direction toward the first plate portion 841. Can absorb changes.
  • first convex portion 841 a of the first plate portion 841 is located behind the metal plate 7, and the second convex portion 841 b of the first plate portion 841 and the third convex portion 842 a of the second plate portion 842 are the metal plate 7. Located in front of. In other words, the metal plate 7 is fixed between the first convex portion 841a, the second convex portion 841b, and the third convex portion 842a. Therefore, the clip 84 is prevented from being detached from the clip insertion hole 78.
  • the warpage of the front plate 51 in the Z direction can be suppressed, and the display color and brightness of the TFT glass 2 can be suppressed. Display quality deterioration such as unevenness can be suppressed. Further, since the front plate 51 is attached to the metal plate 7 in such a manner that displacement in the Z direction is restricted by the clip 84, the front plate 51 is distorted due to distortion of the mounting surface of the vehicle or insufficient dimensional accuracy. Can be suppressed.
  • the fixture mounting portion 520 corresponds to the first attachment portion of the present disclosure.
  • the clip insertion hole 78 corresponds to the second attachment portion.
  • the first plate portion 841 and the second plate portion 842 correspond to plate portions.
  • the clip 84 corresponds to an interposed member (fixing tool).
  • FIG. 29 shows a cross-sectional view of the display device 1 of the present embodiment.
  • FIG. 30 is a diagram in which the screw 85 is omitted from the display device 1 of FIG. 29, that is, a state before the screw 85 is fastened.
  • the front plate 51 of the display device 1 is provided with a screw boss 530 protruding in the rear direction, in other words, in the direction toward the metal plate 7.
  • the screw bosses 530 are provided at a plurality of locations on the outer peripheral portion of the front plate 51.
  • the screw boss 530 is provided integrally with the front plate 51.
  • the screw boss 530 is provided separately from the front plate 51 and is fixed to the front plate 51 with screws or the like.
  • the screw boss 530 extends from the front plate 51 to the metal plate 7 in the Z direction, and the tip is in contact with the surface of the metal plate 7.
  • a protrusion 531 is formed at the tip of the screw boss 530. This protrusion 531 is fitted in a hole 79 formed in the metal plate 7.
  • the screw boss 530 is formed with a screw hole 532 (see FIG. 30) that forms an opening at the tip of the protrusion 531.
  • a thread groove is formed on the wall surface of the protrusion 531 that defines the screw hole 532
  • a hole 79 is formed in the metal plate 7 at a position facing the screw boss 530.
  • the protrusion 531 is fitted in the hole 79.
  • a screw 85 is inserted into the screw hole 532 from the back side of the metal plate 7 and fastened and fixed to the screw boss 530.
  • the screw 85 is, for example, a normal screw (see FIG. 31A) or a pan screw (see FIG. 31B).
  • the diameter G1 of the screw boss 530 is larger than the diameter G3 of the hole 79 (see FIG. 29).
  • the diameter G2 of the protrusion 531 is smaller than the diameter G3 of the hole 79.
  • the head diameter G4 (see FIG. 29) of the screw 85 is larger than the diameter G3 of the hole 79.
  • the height G5 (see FIG. 29) of the protrusion 531 is the same as or slightly larger than the thickness G6 (see FIG. 29) of the metal plate 7.
  • the tip of the screw boss 530 closes one of the two openings of the hole 79 facing the Z direction and facing the front plate 51, and the other The head of the screw 85 closes the opening. That is, the metal plate 7 is disposed between the screw boss 530 and the head of the screw 85 and attached to the screw boss 530.
  • a gap d12 (see FIG. 29) is formed between the protrusion 531 and the wall surface of the metal plate 7 defining the hole 79.
  • the size of the gap d12 is set so that the protrusion 531 does not interfere with the wall surface of the metal plate 7 when the front plate 51 is thermally deformed and changes in size in the X direction and the Y direction.
  • the height G5 of the protrusion 531 is the same as or slightly larger than the thickness G6 of the metal plate 7, the head of the screw 85 and the tip of the protrusion 531 come into contact with each other. Thereby, even if the screw 85 is not loosened, the frictional force caused by the tightening axial force of the screw 85 can be reduced. The frictional force is generated between the tip of the screw boss 530 and the surface of the metal plate 7 and between the head of the screw 85 and the back surface of the metal plate 7. By reducing the frictional force, the protrusion 531 can move in the horizontal direction inside the hole 79, and the dimensions of the front plate 51 can be changed in the X direction and the Y direction.
  • the displacement of the front plate 51 in the Z direction can be restricted.
  • the dimension of the front plate 51 can be changed in the X direction and the Y direction.
  • the warpage of the front plate 51 in the Z direction can be suppressed, and the display color and brightness of the TFT glass 2 can be suppressed. It is possible to suppress deterioration in display quality such as unevenness.
  • the screw boss 530 (including the protrusion 531), the hole 79, and the screw 85 correspond to the mounting portion of the present disclosure.
  • the present disclosure may be applied to a display operation device in which a sheet-like sensor 9 that detects a touch operation on the front plate 51 is disposed between the front plate 51 and the TFT glass 2. good.
  • the sensor 9 is bonded to the back surface of the front plate 51 with the optical adhesive 6.
  • the sensor 9 is, for example, a capacitance type sensor that has a transparent electrode and outputs a signal corresponding to the capacitance generated between the transparent electrode and a finger.
  • the TFT glass 2 is bonded to the back surface of the sensor 9 with an optical adhesive 6. That is, the TFT glass 2 is bonded to the front plate 51 via the sensor 9.
  • the front plate is provided with a locking portion
  • the metal plate is provided with a hole into which the locking portion is fitted.
  • a locking portion may be provided on the metal plate, and a hole in which the locking portion is fitted may be provided on the front plate.
  • a fixture mounting portion 59 shown in FIG. 12 may be provided on a metal plate, and the first shaft portion 811 of the clip 81 shown in FIG.
  • the front plate 51 is provided with a clip insertion hole, and the second shaft portion 815 of the clip 81 is attached to the clip insertion hole.
  • a fixture mounting portion 59 shown in FIG. 12 may be provided on a metal plate, and a washer 82 shown in FIG.
  • screw holes are provided in the front plate, screws are inserted into the screw holes, and the front plate is fastened and fixed to the washer 82.
  • the metal plate may be provided with a fixture mounting portion 520 shown in FIG. 18, and the front plate may be provided with a clip insertion hole shown in FIG.
  • the present disclosure may be applied to a display device in which a display display other than a liquid crystal display, such as a plasma display or an organic EL display, is bonded to the front plate with an optical adhesive.
  • a display display other than a liquid crystal display such as a plasma display or an organic EL display

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

La présente invention concerne un dispositif d'affichage muni d'un afficheur (2), d'une plaque avant (51), d'un élément porteur (7) et de parties (53, 71, 72, 73, 74, 58, 59, 76, 77, 78, 81, 82, 110, 520, 83, 84, 530, 79, 85) de montage. La plaque avant est transparente et est collée à la surface avant de l'afficheur au moyen d'un adhésif optique (6). L'élément porteur soutient la plaque avant. Les parties de montage assemblent la plaque avant à l'élément porteur de telle manière que la plaque avant puisse être déplacée dans les directions du plan (X, Y) de la plaque avant.
PCT/JP2017/030223 2016-09-14 2017-08-24 Dispositif d'affichage Ceased WO2018051751A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-179389 2016-09-14
JP2016179389A JP2018045070A (ja) 2016-09-14 2016-09-14 表示装置

Publications (1)

Publication Number Publication Date
WO2018051751A1 true WO2018051751A1 (fr) 2018-03-22

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WO (1) WO2018051751A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7243704B2 (ja) * 2020-11-30 2023-03-22 トヨタ自動車株式会社 全固体二次電池

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003316274A (ja) * 2002-04-23 2003-11-07 Canon Inc 平面ディスプレイ装置
JP2007295227A (ja) * 2006-04-25 2007-11-08 Matsushita Electric Ind Co Ltd ディスプレイ装置
WO2012120727A1 (fr) * 2011-03-04 2012-09-13 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 Structure résistant à l'eau, appareil électronique et procédé de production d'une structure résistant à l'eau
JP2013003307A (ja) * 2011-06-15 2013-01-07 Sony Corp 表示装置および電子機器
JP2013243548A (ja) * 2012-05-21 2013-12-05 Sharp Corp 表示装置及びテレビジョン受信機
JP2014046804A (ja) * 2012-08-31 2014-03-17 Daikyonishikawa Corp インストルメントパネル
WO2014073348A1 (fr) * 2012-11-08 2014-05-15 シャープ株式会社 Dispositif d'affichage
JP2016142810A (ja) * 2015-01-30 2016-08-08 日本精機株式会社 車両用表示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003316274A (ja) * 2002-04-23 2003-11-07 Canon Inc 平面ディスプレイ装置
JP2007295227A (ja) * 2006-04-25 2007-11-08 Matsushita Electric Ind Co Ltd ディスプレイ装置
WO2012120727A1 (fr) * 2011-03-04 2012-09-13 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 Structure résistant à l'eau, appareil électronique et procédé de production d'une structure résistant à l'eau
JP2013003307A (ja) * 2011-06-15 2013-01-07 Sony Corp 表示装置および電子機器
JP2013243548A (ja) * 2012-05-21 2013-12-05 Sharp Corp 表示装置及びテレビジョン受信機
JP2014046804A (ja) * 2012-08-31 2014-03-17 Daikyonishikawa Corp インストルメントパネル
WO2014073348A1 (fr) * 2012-11-08 2014-05-15 シャープ株式会社 Dispositif d'affichage
JP2016142810A (ja) * 2015-01-30 2016-08-08 日本精機株式会社 車両用表示装置

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