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WO2012173077A1 - Dispositif d'affichage et récepteur de télévision - Google Patents

Dispositif d'affichage et récepteur de télévision Download PDF

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Publication number
WO2012173077A1
WO2012173077A1 PCT/JP2012/064882 JP2012064882W WO2012173077A1 WO 2012173077 A1 WO2012173077 A1 WO 2012173077A1 JP 2012064882 W JP2012064882 W JP 2012064882W WO 2012173077 A1 WO2012173077 A1 WO 2012173077A1
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WO
WIPO (PCT)
Prior art keywords
buffer member
liquid crystal
display device
crystal panel
buffer
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/JP2012/064882
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English (en)
Japanese (ja)
Inventor
弘志 荻田
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of WO2012173077A1 publication Critical patent/WO2012173077A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133311—Environmental protection, e.g. against dust or humidity

Definitions

  • the present invention relates to a display device and a television receiver.
  • display elements of image display devices such as television receivers are shifting from conventional cathode ray tubes to thin display devices to which thin display elements such as liquid crystal panels and plasma display panels are applied.
  • a frame-like bezel or frame is widely used to protect and hold the liquid crystal panel.
  • the bezel is fitted along the outer edge of the liquid crystal panel and is arranged so as to cover the outer end surface of the liquid crystal panel.
  • a buffer member formed of a resin such as urethane may be disposed between the bezel and the liquid crystal panel in order to prevent damage to the surface of the liquid crystal panel due to the bezel coming into contact with the liquid crystal panel.
  • the buffer member prevents damage to the surface of the liquid crystal panel and holds the liquid crystal panel.
  • such a buffer member may be disposed between the frame and the liquid crystal panel.
  • Patent Document 1 discloses a liquid crystal module in which a buffer member is disposed between a bezel and a liquid crystal panel.
  • a buffer member is disposed between a bezel and a liquid crystal panel.
  • an elastic body as a buffer member is disposed between the bezel and the liquid crystal panel.
  • the elastic body has a surface facing the bezel fixed by an adhesive tape such as a double-sided tape, and a tip portion facing the liquid crystal panel is in contact with the liquid crystal panel. This prevents dust and the like from entering through the gap between the bezel and the liquid crystal panel.
  • An object of the invention disclosed in this specification is to provide a technique capable of preventing or suppressing deterioration of display characteristics in a display device.
  • the technology disclosed in this specification includes a light source, a bottom plate, a side plate rising from at least one end of the bottom plate to one surface side of the bottom plate, and emitting light from the light source to the one surface side.
  • a light-emitting part that includes at least the light source, a display panel disposed on the light-emitting part side of the housing member, and a frame-shaped first cover that covers an outer edge of the display panel.
  • the present invention relates to a display device comprising: a second buffer member disposed between and abutting between the display panel and the first frame-like member and having a smaller coefficient of friction than the first buffer member.
  • the second buffer member having a low friction coefficient is difficult to be dragged to the display panel. That position is maintained. For this reason, when the first buffer member moves and comes into contact with the second buffer member, the first buffer member is prevented from moving further, and the displacement of the first buffer member is prevented or suppressed. can do. As a result, it is possible to prevent or suppress deterioration of display characteristics in the display device.
  • the first buffer member and the second buffer member may be arranged adjacent to each other. According to this configuration, since the first buffer member is in contact with the second buffer member from the beginning, even if the display panel is moved due to vibration or the like, the first buffer member is prevented from moving from the beginning. It is possible to effectively prevent or suppress the displacement of the one buffer member.
  • Each of the first buffer member and the second buffer member may be disposed along at least one side of the first frame member. According to this configuration, the display panel can be effectively held by the first buffer member, and the displacement of the first buffer member can be effectively suppressed by the second buffer member.
  • the first buffer member and the second buffer member may each have a frame shape. According to this configuration, the display panel can be more effectively held by the first buffer member, and the displacement of the first buffer member can be more effectively suppressed by the second buffer member.
  • a plurality of the second buffer members may be provided, and the second buffer member may be further arranged on the outer edge end side of the display panel than the first buffer member. According to this configuration, the second buffer member can prevent or suppress the first buffer member from being displaced toward the outer edge end side of the display panel.
  • the first buffer member may be further fixed to the display panel. According to this configuration, the display panel can be effectively held by the first buffer member, and the displacement of the first buffer member can be further prevented or suppressed.
  • a second frame member disposed between the rising edge of the side plate and the display panel; and the first buffer member and the display panel between the second frame member and the display panel.
  • a second buffer member may be arranged. According to this configuration, the display panel can be further held by the first buffer member and the second buffer member disposed between the second frame-shaped member and the display panel, and the position of the second buffer member Deviation can be further prevented or suppressed.
  • the first buffer member may be made of urethane. According to this configuration, a specific configuration of the first buffer member can be realized.
  • the second buffer member may be made of polyethylene terephthalate. According to this configuration, a specific configuration of the second buffer member can be realized.
  • a display device in which the above-described display panel is a liquid crystal panel using liquid crystal is also new and useful.
  • a television receiver provided with the above display device is also new and useful.
  • FIG. 1 is an exploded perspective view of a television receiver TV according to Embodiment 1.
  • FIG. An exploded perspective view of the liquid crystal display device 10 is shown.
  • a cross-sectional view of the liquid crystal display device 10 is shown.
  • the top view which looked at the bezel 12 and the liquid crystal panel 16 from the front side is shown.
  • FIG. 3 shows a cross-sectional view of a liquid crystal display device 110 according to a second embodiment.
  • the top view which looked at the bezel 112 and the liquid crystal panel 116 from the front side is shown.
  • FIG. 6 shows a cross-sectional view of a liquid crystal display device 210 according to Embodiment 3.
  • Embodiment 1 will be described with reference to the drawings.
  • a part of each drawing shows an X-axis, a Y-axis, and a Z-axis, and each axis direction is drawn in a common direction in each drawing.
  • the Y-axis direction coincides with the vertical direction
  • the X-axis direction coincides with the horizontal direction.
  • the vertical direction is used as a reference for upper and lower descriptions.
  • FIG. 1 is an exploded perspective view of the television receiver TV according to the first embodiment.
  • the television receiver TV includes a liquid crystal display device 10, front and back cabinets Ca and Cb that are accommodated so as to sandwich the liquid crystal display device 10, a power source P, a tuner T, and a stand S.
  • FIG. 2 is an exploded perspective view of the liquid crystal display device 10.
  • FIG. 3 is a cross-sectional view of a cross section of the liquid crystal display device 10 cut along the vertical direction (Y-axis direction).
  • the upper side shown in FIGS. 2 and 3 is the front side
  • the lower side shown in FIGS. 2 and 3 is the back side.
  • the liquid crystal display device 10 has a horizontally long rectangular shape as a whole, and includes a liquid crystal panel 16 as a display panel and a backlight device 24 as an external light source, and these form a bezel having a frame shape. 12 and the like are integrally held.
  • a first buffer member 41 and a second buffer member 42 having a buffer function and holding the liquid crystal panel 16 are arranged between the bezel 12 and the liquid crystal panel 16. ing.
  • the first buffer member 41 and the second buffer member 42 will be described in detail later.
  • the liquid crystal panel 16 has a configuration in which a pair of transparent (highly translucent) glass substrates are bonded together with a predetermined gap therebetween, and a liquid crystal layer (not shown) is sealed between the glass substrates. Is done.
  • One glass substrate is provided with a switching element (for example, TFT) connected to a source wiring and a gate wiring orthogonal to each other, a pixel electrode connected to the switching element, an alignment film, and the like.
  • the substrate is provided with a color filter and counter electrodes in which colored portions such as R (red), G (green), and B (blue) are arranged in a predetermined arrangement, and an alignment film.
  • image data and various control signals necessary for displaying an image are supplied to a source wiring, a gate wiring, a counter electrode, and the like from a drive circuit board (not shown).
  • a polarizing plate (not shown) is disposed outside both glass substrates.
  • the backlight device 24 includes a frame 14, an optical member 18, and a chassis 22.
  • the frame 14 has a frame shape, is disposed along the edge side of the surface of the light guide plate 20 (light output surface 20b), and supports the liquid crystal panel 16 along the inner edge.
  • the optical member 18 is placed on the front side of the light guide plate 20 (the light exit surface 20b side).
  • the chassis 22 has a substantially box shape having a light emitting part 22d on the front side (light emitting side, liquid crystal panel 16 side).
  • a pair of LED (Light Emitting Diode) units 32, 32, a reflection sheet 26, and a light guide plate 20 are accommodated.
  • the pair of LED units 32 and 32 are respectively arranged on the long side outer edges (side plates) 22b and 22c of the chassis 22 and emit light.
  • the longitudinal side surface (light incident surface) 20a of the light guide plate 20 is disposed at a position facing the LED units 32 and 32, and guides light emitted from the LED unit 32 to the liquid crystal panel 16 side.
  • the optical member 18 is placed on the front side of the light guide plate 20.
  • the light guide plate 20 and the optical member 18 are disposed directly below the liquid crystal panel 16 and the LED unit 32 that is a light source is disposed on the side end of the light guide plate 20.
  • a so-called edge light system (side light system) is adopted.
  • the chassis 22 is made of a metal such as an aluminum material, for example, and has a bottom plate 22a having a rectangular shape in a plan view, side plates 22b and 22c rising from outer edges of both long sides of the bottom plate 22a, and both short sides of the bottom plate 22a. It consists of a side plate that rises from the outer edge.
  • a space facing the LED units 32, 32 in the chassis 22 is a housing space for the light guide plate 20.
  • a power circuit board (not shown) for supplying power to the LED unit 32 is attached to the back side of the bottom plate 22a.
  • the reflection sheet 26 is placed on the front side of the bottom plate 22 a of the chassis 22.
  • the reflection sheet 26 has a reflection surface on the front side, and this reflection surface is opposed to the back surface (opposite surface 20 c) of the light guide plate 20, and reflects light leaked from the LED units 32, 32 to reflect light. It plays a role of entering the opposite surface 20 c of the light guide plate 20.
  • the optical member 18 is formed by laminating a diffusion sheet 18a, a lens sheet 18b, and a reflective polarizing plate 18c in order from the light guide plate 20 side.
  • the diffusion sheet 18a, the lens sheet 18b, and the reflective polarizing plate 18c have a function of converting light emitted from the LED unit 32 and passing through the light guide plate 20 into planar light.
  • a liquid crystal panel 16 is installed on the upper surface side of the reflective polarizing plate 18 d, and the optical member 18 is disposed between the light guide plate 20 and the liquid crystal panel 16.
  • the LED unit 32 has a configuration in which LED light sources 28 that emit white light are arranged in a row on a resin-made rectangular LED board 30.
  • the surface opposite to the surface on which the LED light source 28 is disposed is disposed in contact with the heat radiating plate 36 of the chassis 22.
  • the LED light source 28 may emit white light by applying a phosphor having a light emission peak in a yellow region to a blue light emitting element.
  • the blue light emitting element may emit white light by applying a phosphor having emission peaks in the green and red regions.
  • a phosphor having a light emission peak in a green region may be applied to a blue light emitting element, and white light may be emitted by combining a red light emitting element.
  • the LED light source 28 may emit white light by combining a blue light emitting element, a green light emitting element, and a red light emitting element. Further, a combination of an ultraviolet light emitting element and a phosphor may be used. In particular, an ultraviolet light-emitting element may emit white light by applying a phosphor having emission peaks in blue, green, and red, respectively.
  • the light guide plate 20 is a rectangular plate-like member, is formed of a resin having high translucency (high transparency) such as acrylic, and is placed on the reflection sheet 26 and supported by the chassis 22. ing. 2 and 3, the light guide plate 20 is a plate opposite to the light output surface 20b, with the light output surface 20b being the main plate surface facing the diffusion sheet 18a between the pair of LED units 32 and 32.
  • the opposite surface 20c which is a surface, is arranged so as to face the reflection sheet 26 side.
  • the light generated from the LED unit 32 enters the light entrance surface 20 a of the light guide plate 20 and exits from the light exit surface 20 b facing the diffusion sheet 18 a,
  • the liquid crystal panel 16 is irradiated from the back side.
  • FIG. 4 shows a plan view of the bezel 12 and the liquid crystal panel 16 as viewed from the front side.
  • the first buffer member 41 and the second buffer member 42 have a buffer function, and are respectively disposed between the bezel 12 and the outer edge of the liquid crystal panel 16 as shown in FIG.
  • the first buffer member 41 is made of urethane such as Polon (manufactured by Roger Sinoac).
  • the second buffer member 42 is made of polyethylene terephthalate.
  • the first buffer member 41 and the second buffer member 42 are each linear in a plan view, and four are arranged along each side of the bezel 12.
  • the first buffer member 41 and the second buffer member 42 have a rectangular shape in cross-sectional view (see FIG. 3), and have the same shape.
  • the second buffer member 42 is disposed closer to the center 16a of the liquid crystal panel 16 than the first buffer member 41, and is in contact with the first buffer member 41 adjacent to the first buffer member 41 in the plane direction (XY plane direction). ing.
  • the first buffer member 41 is fixed to the back surface of the bezel 12 (the surface facing the outer edge of the liquid crystal panel 16) with an adhesive tape, for example, and is opposite to the surface attached to the bezel 12.
  • the side surface is in contact with the outer edge end surface of the liquid crystal panel 16. For this reason, a frictional force acts between the first buffer member 41 and the liquid crystal panel 16, and the liquid crystal panel 16 is held by the first buffer member 41.
  • the first buffer member 41 is pulled by the liquid crystal panel 16 due to this frictional force and is detached from the bezel 12, and the first buffer member 41 may be displaced. There is.
  • the second buffer member 42 is not fixed to the bezel 12 or the liquid crystal panel 16, and is disposed so that both the front and back surfaces thereof are in contact with the bezel 12 and the liquid crystal panel 16, respectively.
  • the polyethylene terephthalate constituting the second buffer member 42 has a smaller coefficient of friction than the urethane constituting the first buffer member 41. For this reason, even when the liquid crystal panel 16 moves in the plane direction, the second buffer member 42 and the liquid crystal panel 16 are easily slipped, and the second buffer member 42 is not easily dragged by the liquid crystal panel 16. Therefore, even when the liquid crystal panel 16 is moved such that the first buffer member 41 is displaced in the plane direction, the second buffer member 42 is held at that position.
  • the liquid crystal display device 10 even if the first buffer member 41 is dragged and moved by the movement of the liquid crystal panel 16 due to vibration or the like, the second coefficient of friction is low. Since the buffer member 42 is difficult to be dragged by the display panel 16, its position is maintained. For this reason, when the 1st buffer member 41 moves and contacts the 2nd buffer member 42, it is prevented that the 1st buffer member 41 moves further, and position shift of the 1st buffer member 41 is carried out. Can be prevented or suppressed. As a result, it is possible to prevent or suppress deterioration of display characteristics in the liquid crystal display device 10.
  • the first buffer member 41 and the second buffer member 42 are arranged adjacent to each other. For this reason, even if the first buffer member 41 is in contact with the second buffer member 42 from the beginning and the liquid crystal panel 16 is moved by vibration or the like, the first buffer member 41 is prevented from moving from the beginning. Therefore, the position shift of the 1st buffer member 41 can be prevented or suppressed effectively.
  • the first buffer member 41 and the second buffer member 42 are arranged along each side of the bezel 12, respectively. For this reason, the liquid crystal panel 16 can be effectively held by the first buffer member 41, and the displacement of the first buffer member 41 can be effectively suppressed by the second buffer member 42. .
  • the mounting mode of the first buffer member 41 is different from that of the first embodiment.
  • both front and back surfaces of the first buffer member 41 are attached with an adhesive tape. That is, the surface of the first buffer member 41 is attached to the back surface of the bezel 12 with an adhesive tape, and further, the back surface of the first buffer member 41 is attached to the outer edge end surface of the liquid crystal panel 16 with the adhesive tape. Yes.
  • the 1st buffer member 41 Since the 1st buffer member 41 is made into such an attachment mode, the 1st buffer member 41 is fixed more, so that the liquid crystal panel 16 can be effectively held by the 1st buffer member 41, The positional displacement of the first buffer member 41 can be further prevented or suppressed.
  • FIG. 5 is a cross-sectional view of the liquid crystal display device 110 according to the second embodiment and shows a cross-sectional configuration corresponding to FIG. 3 of the first embodiment.
  • FIG. 6 is a plan view of the bezel 112 and the liquid crystal panel 116 as viewed from the front side.
  • the second embodiment is different from that of the first embodiment in that the second buffer members 142a and 142b are arranged on both sides of the first buffer member 141. Since the other configuration is the same as that of the first embodiment, description of the structure, operation, and effect is omitted. 5, the part where the numeral 100 is added to the reference numeral in FIG. 3 and the part where the numeral 100 is added to the reference numeral in FIG. 4 in FIG. 6 are the same as those described in the first embodiment.
  • the second buffer members 142 a and 142 b are arranged on both sides of the first buffer member 141. That is, one second buffer member 142 a is arranged on the center side of the liquid crystal panel 116 with respect to the first buffer member 142, and the other second buffer member 142 b is disposed on the outer edge of the liquid crystal panel 116 with respect to the first buffer member 142.
  • the second buffer members 142 a and 142 b are in contact with the first buffer member 141.
  • the first buffer member 141 is formed in the plane direction by the second buffer member 142a disposed on the center side of the liquid crystal panel 116 and the second buffer member 142b disposed on the outer edge end side of the liquid crystal panel 116. It is in a clamped state. For this reason, in the liquid crystal display device 110, the second buffer members 142 a and 142 b not only cause the first buffer member 141 to be displaced toward the center of the liquid crystal panel 116, but also the outer edge end portion of the liquid crystal panel 116. Misalignment to the side can also be prevented or suppressed.
  • each buffer member 141, 142a, 142b is arranged in a frame shape along the shape of the bezel 116, as shown in FIG. Therefore, the first buffer member 141 and the second buffer members 142a and 142b can have a buffering effect in all the regions along the shape of the bezel 116. Therefore, the liquid crystal panel 116 can be more effectively held by the first buffer member 141, and the displacement of the first buffer member 141 can be more effectively suppressed by the second buffer members 142a and 142b. .
  • FIG. 7 is a cross-sectional view of the liquid crystal display device 210 according to the third embodiment, and shows a cross-sectional configuration corresponding to FIG. 3 of the first embodiment.
  • the third embodiment is different from that of the first embodiment in that a buffer member is also disposed between the frame 214 and the liquid crystal panel 216. Since other configurations are the same as those of the first embodiment, description of the structure, operation, and effect is omitted.
  • a part obtained by adding the numeral 200 to the reference numeral in FIG. 3 is the same as the part described in the first embodiment.
  • the first buffer member 251 and the second buffer member 252 are also disposed between the frame 214 and the liquid crystal panel 216, respectively. .
  • the first buffer member 251 and the second buffer member 252 are light guide plates 220 with respect to the first buffer member 241 and the second buffer member 242 disposed between the bezel 212 and the liquid crystal panel 216.
  • the LED light sources 28, 128, and 228 are examples of “light sources”.
  • the chassis 22, 122, and 222 are examples of “accommodating members”.
  • the liquid crystal panels 16, 116, and 216 are examples of the “display panel”.
  • the bezels 12, 112, and 212 are examples of the “first frame member”.
  • the liquid crystal display devices 10, 110, and 210 are examples of the “display device”.
  • the frames 14, 114, and 214 are examples of the “second frame member”.
  • first buffer member and the second buffer member are adjacent to and in contact with each other.
  • first buffer member and the second buffer member include The structure which is separated may be sufficient.
  • first buffer member and the second buffer member are illustrated as being arranged along each side of the bezel or in a frame shape.
  • the shape of the second buffer member is not limited. For example, a configuration in which block-shaped first buffer members and second buffer members are scattered along each side of the bezel may be employed.
  • the first buffer member is made of urethane
  • the second buffer member is made of polyethylene terephthalate.
  • the material of the two buffer members is not limited.
  • the shape, arrangement, material, and the like of the first buffer member and the second buffer member can be changed as appropriate.
  • the television receiver provided with the tuner has been exemplified.
  • the present invention can also be applied to a display device that does not include the tuner.
  • TV TV receiver, Ca, Cb: cabinet, T: tuner, S: stand, 10, 110, 210: liquid crystal display, 12, 112, 212: bezel, 14, 114, 214: frame, 16, 116, 216: Liquid crystal panel, 18, 118, 218: Optical member, 20, 120, 220: Light guide plate, 20a, 120a, 220a: Light incident surface, 22, 122, 222: Chassis, 24, 124, 224: Backlight device , 26, 126, 226: reflection sheet, 28, 128, 228: LED light source, 30, 130, 230: LED substrate, 32, 132, 232: LED unit, 41, 141, 241, 251: first buffer member , 42, 142a, 142b, 242 and 252: second buffer members

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne un dispositif d'affichage à cristaux liquides [10] qui comporte une source lumineuse à DEL [28], une plaque support [22a], une plaque latérale [22b] montant d'au moins un bord de la plaque support [22a] sur le côté avant de la plaque support [22a] et une partie de sortie de lumière [22d] pour que la lumière de la source lumineuse à DEL [28] sorte sur le côté avant. Le dispositif d'affichage à cristaux liquides [10] comporte également un châssis [22] recevant au moins la source lumineuse à DEL [28], un panneau à cristaux liquides [16] disposé sur le côté partie de sortie de lumière [22d] du châssis [22], un cadran en forme de cadre [12] couvrant le bord extérieur du panneau à cristaux liquides [16], un premier élément tampon [41] agencé de manière à venir en contact avec à la fois le panneau à cristaux liquides [16] et le cadran [12] et un second élément tampon [42] ayant un coefficient de friction inférieur à celui du premier élément tampon [41] et agencé de manière à venir en contact avec à la fois le panneau à cristaux liquides [16] et le cadran [12] à une position plus proche du centre du panneau à cristaux liquides [16] que le premier élément tampon [41].
PCT/JP2012/064882 2011-06-16 2012-06-11 Dispositif d'affichage et récepteur de télévision Ceased WO2012173077A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011134153 2011-06-16
JP2011-134153 2011-06-16

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WO2012173077A1 true WO2012173077A1 (fr) 2012-12-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981186A (zh) * 2012-12-22 2013-03-20 张森 一种便携式车辆底盘图像信息采集装置
CN103676278A (zh) * 2013-12-16 2014-03-26 京东方科技集团股份有限公司 一种框架、背光模组和显示装置
JP2019148722A (ja) * 2018-02-27 2019-09-05 シャープ株式会社 表示装置、テレビジョン受信機及び表示装置の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008096851A (ja) * 2006-10-14 2008-04-24 Sharp Corp 表示装置
JP2010060658A (ja) * 2008-09-01 2010-03-18 Sharp Corp 画像表示装置
JP2010073506A (ja) * 2008-09-19 2010-04-02 Hitachi Ltd 液晶表示装置及びこれを用いた映像表示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008096851A (ja) * 2006-10-14 2008-04-24 Sharp Corp 表示装置
JP2010060658A (ja) * 2008-09-01 2010-03-18 Sharp Corp 画像表示装置
JP2010073506A (ja) * 2008-09-19 2010-04-02 Hitachi Ltd 液晶表示装置及びこれを用いた映像表示装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981186A (zh) * 2012-12-22 2013-03-20 张森 一种便携式车辆底盘图像信息采集装置
CN102981186B (zh) * 2012-12-22 2016-04-20 张森 一种便携式车辆底盘图像信息采集装置
CN103676278A (zh) * 2013-12-16 2014-03-26 京东方科技集团股份有限公司 一种框架、背光模组和显示装置
CN103676278B (zh) * 2013-12-16 2016-09-21 京东方科技集团股份有限公司 一种框架、背光模组和显示装置
JP2019148722A (ja) * 2018-02-27 2019-09-05 シャープ株式会社 表示装置、テレビジョン受信機及び表示装置の製造方法
JP7084741B2 (ja) 2018-02-27 2022-06-15 シャープ株式会社 表示装置、テレビジョン受信機及び表示装置の製造方法

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