WO2013088783A1 - Dispositif d'affichage et récepteur de télévision - Google Patents

Dispositif d'affichage et récepteur de télévision Download PDF

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Publication number
WO2013088783A1
WO2013088783A1 PCT/JP2012/070657 JP2012070657W WO2013088783A1 WO 2013088783 A1 WO2013088783 A1 WO 2013088783A1 JP 2012070657 W JP2012070657 W JP 2012070657W WO 2013088783 A1 WO2013088783 A1 WO 2013088783A1
Authority
WO
WIPO (PCT)
Prior art keywords
holding frame
liquid crystal
light
display device
heat spreader
Prior art date
Application number
PCT/JP2012/070657
Other languages
English (en)
Japanese (ja)
Inventor
智之 市座
譲 生田
啓太 伊藤
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2013088783A1 publication Critical patent/WO2013088783A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package

Definitions

  • the present invention relates to an edge light type display device and a television receiver including the display device.
  • a liquid crystal display device provided with a liquid crystal panel as a display panel is thin and lightweight and consumes little power. Therefore, in recent years, liquid crystal display devices have been widely adopted as image display devices for television receivers, computers, and portable terminals.
  • the liquid crystal panel that is a component of the liquid crystal display device does not emit light by itself. Therefore, unlike a self-luminous display device such as a CRT (Cathode Ray Tube), the liquid crystal display device requires a light source unit on the surface.
  • a self-luminous display device such as a CRT (Cathode Ray Tube)
  • the liquid crystal display device requires a light source unit on the surface.
  • the edge light system is a system in which a light guide plate and a cover that supports the light guide plate are arranged on the back side of the liquid crystal panel, and a light source is arranged on the side surface side of the light guide plate.
  • a light source is arranged on the side surface side of the light guide plate.
  • light incident from the side surface of the light guide plate is emitted from one surface of the light guide plate while diffusing in the light guide plate. Therefore, there is an advantage that the front and back thickness of the display device can be reduced as compared with the direct light method in which the light source is arranged on the back side of the diffusion plate.
  • a cold cathode tube has been conventionally used as a light source.
  • LEDs Light Emitting Diodes
  • smaller than cold cathode tubes have been used as light sources.
  • LEDs have the disadvantage that energy conversion efficiency is low and most of the input power is converted into light without being converted to light.
  • the heat generation is 80 degrees or more on the surface of the LED substrate depending on the outside air temperature, so that not only the other parts are affected but also the LED itself may be damaged by the heat. Therefore, when using LED as a light source, it is essential to provide a heat dissipation structure.
  • an LED light source that is, an LED and a metal cover that accommodates the LED are in direct contact with each other. Thereby, the heat generated in the LED is conducted to the cover and is dissipated.
  • the present invention has been made in view of the circumstances as described above, and an object thereof is to provide a display device and the like that can effectively dissipate heat generated in an LED.
  • the display device includes a heat radiator to which a light emitting element that supplies light to a display panel that displays an image on the front side is fixed, a holding frame that holds a peripheral portion of the display panel, and the holding
  • the holding frame body protrudes in a direction substantially perpendicular to the back surface of the display panel and has a long mounting portion in a direction along the side surface of the display panel.
  • the heat dissipating body is placed along the longitudinal direction of the mounting portion, and the heat dissipating body is combined with the cover and the holding frame body.
  • the radiator is combined with the cover and the holding frame, the heat generated in the light emitting element is dissipated from the radiator, the cover, and the holding frame. Therefore, it is possible to efficiently dissipate heat generated in the light emitting element.
  • the display device according to the present invention is characterized in that a heat conductor is interposed between the radiator and the holding frame.
  • the heat conductive sheet is interposed between the radiator and the holding frame, it is possible to increase the amount of heat conducted from the radiator to the holding frame. As a result, the heat generated in the light emitting element can be dissipated more efficiently.
  • a substrate is fixed to the radiator, the light emitting element is mounted on one surface of the substrate, and attribute information about the light emitting element is described on the other surface of the substrate.
  • the surface of the heat radiating body on which the substrate is fixed is provided with an opening at a position corresponding to the position where the attribute information is described.
  • the attribute information about the light emitting element is described on the substrate on which the light emitting element is mounted, and an opening is provided in the radiator corresponding to the described position. It is possible to refer to the attribute information of the light source module without removing it.
  • a television receiver includes the above-described display device and a tuner unit that receives a television broadcast, and displays an image related to the television broadcast received by the tuner unit on the display device. It is characterized by being.
  • the radiator is combined with the cover and the holding frame, the heat generated in the light emitting element is dissipated from the radiator, the cover, and the holding frame. Therefore, it is possible to efficiently dissipate heat generated in the light emitting element.
  • the heat generated in the light emitting element is dissipated from the heat radiating body, the cover, and the holding frame, so that the heat can be efficiently radiated.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG. 4. It is the fragmentary perspective view of the light source module and heat spreader seen from the back side. It is a fragmentary perspective view of the heat spreader by which the light source module seen from the back side was mounted. It is the perspective view which looked at the holding frame from the upper left side.
  • FIG. 10 is a cross-sectional view taken along line XX in FIG. 9. It is the fragmentary perspective view which looked at the member back side of the lower part of the holding frame body in which the heat spreader is mounted from the left side. It is a disassembled perspective view of the liquid crystal television in this Embodiment. It is the fragmentary perspective view which looked at the light source module from the lower side. It is the fragmentary perspective view which looked at the heat spreader from the lower side. It is the fragmentary perspective view which looked at the heat spreader by which the light source module was mounted from the lower side.
  • liquid crystal television including a display device (hereinafter referred to as “liquid crystal television”) is taken as an example.
  • FIG. 1 is a perspective view showing an appearance of a liquid crystal television in the present embodiment.
  • the liquid crystal television includes a liquid crystal panel 1 (display panel), a front cabinet 6, a rear cabinet 12, a stand 15, a tuner unit 16, an image processing unit 17, and a power supply control unit 18.
  • the liquid crystal panel 1 has a substantially rectangular parallelepiped shape and displays an image on the front side.
  • the front cabinet 6 is a rectangular frame and covers the periphery of the liquid crystal panel 1 from the front side.
  • the rear cabinet 12 covers the back side of the liquid crystal panel 1.
  • the stand 15 is for placing the liquid crystal television 1 on a flat surface such as a table.
  • the tuner unit 16 receives a television broadcast and extracts a broadcast signal.
  • the image processing unit 17 extracts image information from the broadcast signal. An image is displayed on the liquid crystal panel 1 based on the extracted image information.
  • the power control unit 18 supplies power of a predetermined voltage to each unit of the liquid crystal television.
  • the side on which the liquid crystal panel 1 of the liquid crystal television is provided is referred to as the front side.
  • the opposite side of the front side is called the back side.
  • the left and right sides of the liquid crystal panel 1 are referred to as the left side and the right side, respectively.
  • the upper and lower sides of the liquid crystal panel 1 are referred to as an upper side and a lower side, respectively.
  • FIG. 2 is a longitudinal sectional view showing a main part of the liquid crystal television.
  • FIG. 2 it is drawn with the front side of the liquid crystal television set facing down.
  • the light guide plate 2 sandwiched between the lens system sheet group 7 from the front side and the light reflecting sheet 8 from the back side is disposed on the back side of the liquid crystal panel 1.
  • the light source module 3 in which the light emitting element 30 is mounted on the base substrate 31 (substrate) is disposed so as to face the side surface in the longitudinal direction of the light guide plate 2.
  • the light source module 3 is fixed to a surface 41 parallel to the light guide plate 2 of the heat spreader 4 (heat radiator).
  • the heat spreader 4 is fixed to a surface (mounting portion) parallel to the light guide plate 2 of the holding frame 5.
  • the liquid crystal panel 1, the heat spreader 4, and the like are sandwiched between the holding frame 5 on the front side of the liquid crystal panel 1 and the backlight chassis 9 (cover) on the back side of the liquid crystal panel 1, and are fixed to the front cabinet 6 with screws 61.
  • the light guide plate 2 is made of a synthetic resin such as acrylic resin, polycarbonate resin, methacrylic resin, or cyclic polyolefin, and is formed in a substantially rectangular shape.
  • the backlight chassis 9 is formed of a metal plate such as a steel plate in a substantially rectangular shape.
  • the backlight chassis 9 covers the liquid crystal panel 1, the light guide plate 2, the light source module 3 and the like from the back side of the liquid crystal television.
  • An elastic member 13 is provided at a portion where the holding frame 5 and the liquid crystal panel 1 are in contact with each other.
  • the elastic member 13 securely fixes the liquid crystal panel 1 and prevents the surface of the liquid crystal panel 1 from being damaged by the holding frame 5.
  • the front cabinet 6 covers the holding frame 5.
  • liquid crystal television configured as described above, light emitted from the light emitting element 30 enters from the side edge of the light guide plate 2. Since there is the light reflecting sheet 8 on the back side of the light guide plate 2, the light traveling in the back side direction of the light guide plate 2 is reflected by the light reflecting sheet 8. The light reflected by the light reflecting sheet 8 irradiates the liquid crystal panel 1 from the back side. The liquid crystal panel 1 is controlled, and an image is displayed on the front side of the liquid crystal panel 1.
  • FIG. 3 is a partial perspective view of the light source module 3 as viewed from the back side.
  • FIG. 4 is a partial perspective view of the heat spreader 4 as seen from the lower rear side.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG.
  • FIG. 6 is a partial perspective view of the light source module 3 and the heat spreader 4 as seen from above.
  • FIG. 7 is a partial perspective view of the heat spreader 4 on which the light source module 3 is placed as seen from above.
  • FIG. 8 is a perspective view of the holding frame 5 as viewed from the upper left side.
  • the light source module 3 includes a plurality of light emitting elements 30, a strip-like base substrate 31 on which the light emitting elements 30 are mounted, and a connector 32.
  • the light emitting element 30 is an LED.
  • the light emitting elements 30 are juxtaposed along the longitudinal direction of the base substrate 31.
  • the light emitting element 30 is driven by a drive circuit (not shown) to emit light.
  • a drive current for the light emitting element 30 is supplied by a cable connected by a connector 32.
  • the connector 32 is fixed to one end of the base substrate 31.
  • the heat spreader 4 is a rod-shaped member as shown in FIG. 4 and has a substantially U-shaped cross section as shown in FIG.
  • the light source module 3 is placed on the upper portion 41 which is the upper side when attached as shown in FIG.
  • the upper portion 41 is provided with a screw hole 47.
  • the light source module 3 is fixed to the heat spreader 4 by passing the screw 330 through the screw hole 33 and the screw hole 47. In FIG. 7, screws are omitted.
  • the front portion 42 of the heat spreader 4 is continuous with the lower portion 43.
  • the lower portion 43 is discontinuous and is cut at several places. Between the cut
  • the coupling portion 44 is also formed at both end portions of the heat spreader 4.
  • the heat spreader 4 is fixed to the holding frame 5 by screws 61 passing through the screw holes 45 provided in the coupling portion 44.
  • the heat spreader 4 is made of a metal having high thermal conductivity, such as aluminum, and conducts and dissipates heat generated in the light emitting element 30.
  • One surface of the upper portion 41 of the heat spreader 4 is in contact with the light source module 3, and the other surface is in contact with the holding frame 5.
  • each holding frame 5 is formed of a metal plate, for example, a steel plate.
  • the holding frame 5 has a rectangular frame shape in which a lower member 51, a left member 52, an upper member 53, and a right member 54 are coupled by screws.
  • the holding frame 5 holds the liquid crystal panel 1, the light guide plate 2, and the like.
  • FIG. 9 is a perspective view of the lower part of the member 51 constituting the holding frame 5 as viewed from the left side.
  • the lower side of FIG. 9 is the front side of the liquid crystal television.
  • 10 is a cross-sectional view taken along line XX of FIG.
  • FIG. 11 is a partial perspective view of the rear side of the member 51 in the lower portion of the holding frame 5 on which the heat spreader 4 is placed as viewed from the left side.
  • the member 51 includes a plate-like portion 51a extending upward from the lower side parallel to the liquid crystal panel 1 serving as a mounting portion, and a plate-like portion 51b extending to the front side. Further, the member 51 includes a plate-like portion 51c extending upward and continuous to the upper side, a portion 51d projecting toward the back side, that is, the surface of the light guide plate 2 that contacts the liquid crystal panel 1, and a plate-like portion extending upward and continuous thereto. A portion 51e is provided. The member 51 includes a strip-shaped connecting portion 51g extending further upward from the plate-like portion 51e and a connecting portion 51f protruding to the back side at both ends in the left-right direction.
  • the plate-like portions 51 a and 51 b of the member 51 are portions that come into contact with the heat spreader 4.
  • the screw holes 51 h provided in the member 51 are holes through which screws for fixing the backlight chassis 9 and the heat spreader 4 to the member 51 pass.
  • connection part 51g of the member 51 is for connecting the member 51 and the other member 52 or 54 which comprises the holding frame 5 with a screw
  • the liquid crystal television is assembled with the front side down.
  • the holding frame 5 is placed on the front cabinet 6.
  • the liquid crystal panel 1 is placed so that the outer edge portion of the liquid crystal panel 1 contacts the inner edge portion of the holding frame 5.
  • the lens system sheet group 7, the light guide plate 2, and the light reflection sheet 8 are placed on the liquid crystal panel 1.
  • the heat spreader 4 to which the light source module 3 is fixed is placed on a surface parallel to the side edge of the light guide plate 2 of the member 51 of the holding frame 5.
  • the backlight chassis 9 is mounted and fixed to the front cabinet 6 with screws 61.
  • the heat spreader 4 placed on the holding frame 5 is screwed in a form sandwiched between the holding frame 5 and the backlight chassis 9.
  • the tuner unit 16, the image processing unit 17, and the power supply control unit 18 are fixed to the backlight chassis 9, the rear cabinet 12 is covered, and the front cabinet 6 is fixed with screws.
  • FIG. 12 is an exploded perspective view of the liquid crystal television in the present embodiment.
  • a state in which the front cabinet 6, the holding frame 5, the heat spreader 4, and the backlight chassis 9 are fixed with screws 61 is shown.
  • a holding frame 5 is placed on the front cabinet 6.
  • the heat spreader 4 to which the light source module 3 is fixed is placed on the holding frame 5.
  • the backlight chassis 9 is fixed to the front cabinet 6 with the heat spreader 4 and the holding frame 5 interposed therebetween.
  • the tuner unit 16, the image processing unit 17, the power supply control unit 18, and the rear cabinet 12 are omitted.
  • the light source module 3 on which the light emitting element 30 is mounted is fixed to a heat spreader 4 formed of aluminum having high thermal conductivity.
  • the heat spreader 4 is screwed so as to be in close contact with the holding frame 5 and the backlight chassis 9. Thereby, the heat generated in the light emitting element 30 is conducted to the heat spreader 4.
  • the heat conducted to the heat spreader 4 is further dissipated efficiently by being conducted to the holding frame 5 and the backlight chassis 9. Thereby, there is an effect of preventing damage to the light emitting element 30 itself and other components due to heat generated by the light emitting element 30.
  • the heat spreader 4 and the holding frame 5 are screwed, but not limited thereto, and may be fixed with an adhesive or a double-sided tape. Further, in order to increase the amount of heat conducted from the heat spreader 4 to the holding frame 5, a heat conductive sheet (heat conductor) formed of silicon, acrylic resin, carbon fiber or the like is interposed between the heat spreader 4 and the holding frame 5. It is good also as a structure interposed in. Furthermore, a heat conductive sheet may be interposed between the heat spreader 4 and the backlight chassis 9.
  • the light source module 3 uses an LED that emits white light.
  • White LEDs vary in light emission characteristics such as chromaticity or brightness for each LED. Therefore, the manufactured LEDs are managed in a plurality of groups for each characteristic value. Each group is called a rank.
  • the white LED is mounted, the display quality deteriorates when the LEDs having different ranks are mounted in combination, and therefore, it is necessary to mount them in accordance with the rank.
  • FIG. 13A is a partial perspective view of the light source module as viewed from below.
  • FIG. 13B is a partial perspective view of the heat spreader as viewed from below.
  • FIG. 14 is a partial perspective view of the heat spreader 4 on which the light source module 3 is placed as viewed from below.
  • rank identification information 34 (attribute information) of the light source module 3 is described.
  • the rank identification information 34 is, for example, a character string composed of a barcode, a two-dimensional barcode, or alphanumeric characters.
  • the rank identification information 34 includes at least rank information of LEDs mounted on the light source module 3.
  • the heat spreader 4 is provided with a window (opening) 46 for referring to the rank identification information 34. Accordingly, it is possible to refer to the rank identification information 34 of the light source module 3 without removing the light source module 3 from the heat spreader 4. Since the base substrate 31 of the light source module 3 has low rigidity, it may be damaged when it is removed from the heat spreader 4. Therefore, making it possible to refer to the rank identification information 34 without removing it from the heat spreader 4 has the effect of preventing unnecessary damage to the light source module 3 when checking the rank identification information 34 of the light source module 3 during repair and inspection. Play.
  • the heat spreader 4 is made of aluminum.
  • the heat spreader 4 is not limited thereto, and any material having good heat conductivity may be used.
  • iron or stainless steel From the viewpoint of dissipating heat more efficiently, silver, copper, and the like are preferable, but aluminum, iron, or stainless steel is preferably used in consideration of cost, strength, and ease of processing.
  • the holding frame 5 and the backlight chassis 9 are made of steel plates, aluminum, iron, or stainless steel may be used in order to dissipate heat of the light emitting element 30 better.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Planar Illumination Modules (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention porte sur un dispositif d'affichage, qui comporte : un dispositif d'étalement de chaleur (4), qui a un élément émetteur de lumière (30) attaché à celui-ci qui délivre de la lumière à un panneau à cristaux liquides (1) pour afficher des images sur le côté avant ; un cadre de support (5) qui supporte la périphérie du panneau à cristaux liquides (1) ; et un châssis de rétroéclairage (9) qui recouvre le cadre de support (5). Le cadre de support (5) a une partie de montage qui fait saillie dans une direction approximativement perpendiculaire à la surface arrière du panneau à cristaux liquides (1) et qui est longue dans la direction le long de la surface latérale du panneau à cristaux liquides (1). Le dispositif d'étalement de chaleur (4) est monté le long de la direction de la longueur de la partie de montage, et est couplé au châssis de lumière arrière (9) et au cadre de support (5).
PCT/JP2012/070657 2011-12-13 2012-08-14 Dispositif d'affichage et récepteur de télévision WO2013088783A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-272668 2011-12-13
JP2011272668A JP5335058B2 (ja) 2011-12-13 2011-12-13 表示装置、及びテレビジョン受像機

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Publication Number Publication Date
WO2013088783A1 true WO2013088783A1 (fr) 2013-06-20

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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
JP6256307B2 (ja) * 2014-11-06 2018-01-10 京セラドキュメントソリューションズ株式会社 照明装置

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Publication number Priority date Publication date Assignee Title
JP2010074985A (ja) * 2008-09-19 2010-04-02 Fujikura Ltd 電気接続箱
JP2010072262A (ja) * 2008-09-18 2010-04-02 Hitachi Ltd 液晶表示装置
JP2011096629A (ja) * 2009-10-27 2011-05-12 Samsung Electronics Co Ltd バックライトユニット及びこれを有するディスプレイ装置｛ｂａｃｋｌｉｇｈｔｕｎｉｔａｎｄｄｉｓｐｌａｙａｐｐａｒａｔｕｓｈａｖｉｎｇｔｈｅｓａｍｅ｝
WO2011067994A1 (fr) * 2009-12-03 2011-06-09 シャープ株式会社 Dispositif d'éclairage, dispositif d'affichage, et dispositif de réception de télévision
JP2012137670A (ja) * 2010-12-27 2012-07-19 Toshiba Corp テレビジョン受像機

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Publication number Priority date Publication date Assignee Title
WO2007032116A1 (fr) * 2005-09-14 2007-03-22 Sharp Kabushiki Kaisha Dispositif d'affichage à cristaux liquides
JP2009245885A (ja) * 2008-03-31 2009-10-22 Sanken Electric Co Ltd 面光源装置
JP2010097924A (ja) * 2008-09-18 2010-04-30 Hitachi Ltd 液晶表示装置
JP5271649B2 (ja) * 2008-09-25 2013-08-21 株式会社日立製作所 液晶表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010072262A (ja) * 2008-09-18 2010-04-02 Hitachi Ltd 液晶表示装置
JP2010074985A (ja) * 2008-09-19 2010-04-02 Fujikura Ltd 電気接続箱
JP2011096629A (ja) * 2009-10-27 2011-05-12 Samsung Electronics Co Ltd バックライトユニット及びこれを有するディスプレイ装置｛ｂａｃｋｌｉｇｈｔｕｎｉｔａｎｄｄｉｓｐｌａｙａｐｐａｒａｔｕｓｈａｖｉｎｇｔｈｅｓａｍｅ｝
WO2011067994A1 (fr) * 2009-12-03 2011-06-09 シャープ株式会社 Dispositif d'éclairage, dispositif d'affichage, et dispositif de réception de télévision
JP2012137670A (ja) * 2010-12-27 2012-07-19 Toshiba Corp テレビジョン受像機

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JP2013125615A (ja) 2013-06-24

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