WO2007129419A1 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
- Publication number
- WO2007129419A1 WO2007129419A1 PCT/JP2006/321940 JP2006321940W WO2007129419A1 WO 2007129419 A1 WO2007129419 A1 WO 2007129419A1 JP 2006321940 W JP2006321940 W JP 2006321940W WO 2007129419 A1 WO2007129419 A1 WO 2007129419A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid crystal
- substrate
- led
- crystal display
- display device
- Prior art date
Links
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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
Definitions
- the present invention relates to a liquid crystal display device including an illumination device, and more particularly to a liquid crystal display device including a backlight.
- a display device that is thinner than a CRT (Cathode Ray Tube) and uses a liquid crystal panel has been widely used. Since the liquid crystal panel itself does not emit light, an image is displayed by light that is also irradiated with external light or illumination device power.
- CTR Cathode Ray Tube
- illumination devices used in liquid crystal display devices include sidelight type backlights proposed in Patent Document 1. This is arranged on the back side of the liquid crystal panel, and an LED (Light Emitting Diode) as a light source is arranged on the side of a flat plate called a light guide plate made of acrylic resin. LED light power incident from the side The light propagates through the light guide plate and exits from the light exit surface on the top surface of the light guide plate to irradiate the liquid crystal panel.
- LED Light Emitting Diode
- Patent Document 1 Japanese Patent Laid-Open No. 2005-196989 (Page 9, Fig. 7)
- the present invention provides a liquid crystal display in which the LED module can be replaced without disassembly.
- An object is to provide a display device.
- the present invention provides a liquid crystal panel, a frame surrounding the liquid crystal panel, a light guide plate disposed on the back surface of the liquid crystal panel and irradiating the liquid crystal panel with light.
- LED that emits light to the side surface of the light plate
- a first substrate having the LED and a back plate that covers the back surface of the frame body and the liquid crystal panel, and the first substrate is fixed by a fixing member.
- the frame body has an opening through which the first substrate having the LED can be taken in and out, and the first substrate is inserted from the outside of the back plate. It is characterized by being fixed by.
- a screw can be used as the fixing member.
- the LED module which is a substrate having LEDs
- the LED module can be taken out by simply removing the fixing member, the LED module can be easily replaced as compared with the case of disassembling all of them.
- a liquid crystal display device can be obtained.
- At least one fixing member is provided in the vicinity of both end portions of the first substrate and at least one center portion therebetween, so that only the both end portions, one end portion and the central portion are provided.
- the part that does not come into contact with the back plate due to the warping of the first board that occurs only when it is installed only on the board can be reduced, and the heat generated by the LED is also externally increased through the back board. Can be dissipated. This makes it possible to stabilize the operation of an LED whose light emission characteristics and the like are likely to change due to changes in temperature.
- the LED module can be removed from the liquid crystal display device simply by removing the fixing member.
- the reflecting member is provided so as to surround the LED, it is possible to cause the light that has not directly entered the light guide plate from the LED to be reflected by the reflecting member and enter the light guide plate.
- the brightness of light emitted from the light guide plate can be improved without increasing the number of LEDs and the current.
- the first substrate and the back plate of the liquid crystal display device are made of LED by having a material conductivity of 80 WZm'K or higher, such as aluminum copper. More heat can be dissipated to the outside through the first board and back plate.
- a C CFL Cold Cathode Fluorescent Lamp
- an insulating plate made of bakelite or epoxy resin is used as the first substrate.
- a printed circuit board with copper foil wiring on it, FPC (Flexible Printed Circuit) with copper foil wiring between two polyimide films, and plastic such as polycarbonate on the back panel was used.
- FPC Flexible Printed Circuit
- the member having a higher thermal emissivity than the first substrate is provided on at least one of the surface of the first substrate facing the back plate or the surface of the back plate facing the first substrate.
- either a side-view type that emits light in a direction parallel to a surface provided as an LED or a top-view type that emits light in a direction perpendicular to the surface can be used.
- FIG. 1 is a perspective view of the appearance of an LCD unit that can be used in the first embodiment.
- FIG. 2 Partial cross-sectional view at the position indicated by A-A in Fig. 1
- FIG. 4 Plan view of the back side of the LCD unit that works in the first embodiment.
- FIG. 5 is a partial cross-sectional view of an LCD unit that contributes to the second embodiment.
- FIG. 6 is a plan view of the back side of the LCD unit that is helpful for the second embodiment.
- FIG. 7 is a partial cross-sectional view of an LCD unit that helps another aspect of the second embodiment.
- FIG. 8 is a partial cross-sectional view of an LCD unit that works on another aspect of the second embodiment.
- FIG. 9 is a partial cross-sectional view of an LCD unit that helps another aspect of the second embodiment.
- FIG. 1 shows the outside of an LCD (Liquid Crystal Display) unit, which is a liquid crystal display device that is useful for the first embodiment of the present invention.
- 2 is a partial cross-sectional view around the bezel at the position indicated by AA in FIG. 1
- FIG. 3 is a schematic configuration diagram of the LED module
- FIG. 4 is a plan view of the back surface of the LCD unit. .
- the LCD unit 10 includes a liquid crystal panel 11 and a bezel 12 that is a frame surrounding the liquid crystal panel 11, and a back plate 13 that covers the back side of the liquid crystal panel 11 and the bezel 12.
- the bezel 12 has a frame shape with a cross-sectional force shape and an opening
- the back plate 13 has a rectangular parallelepiped box shape without a lid
- the bezel 12 is arranged so as to cover the side surface of the back plate 13.
- the liquid crystal panel 11 includes a TFT substrate, a counter substrate, and liquid crystal sealed therebetween, and controls the orientation of the liquid crystal by applying a voltage between the substrates to display an image.
- a light guide plate 14 is provided between the liquid crystal panel 11 and the back plate 13, and the surface of the light guide plate 14 that faces the liquid crystal panel 11, that is, the light exit surface is the optical sheet 15 and the surface that faces the back plate 13.
- a reflective sheet 16 is provided in the case.
- a plastic frame 17 and an LED module 20 are provided inside the bezel 12.
- the plastic frame 17 fixes the liquid crystal panel 11, and the LED module 20 irradiates white light from the back side of the liquid crystal panel 11.
- FIG. 2 does not show the force on one end side of the LCD unit 10, but the other end side has the same structure.
- the LED module 20 and the light guide plate 14 constitute a sidelight type backlight.
- the LED module 20 is formed by soldering a plurality of LEDs 22 and two LED drive wiring connectors 23 to a wiring board 21 which is a metal plate provided with a wiring pattern.
- the LED drive wiring connector 23 is provided at both ends of the wiring board 21, and the LED 22 is provided between the LED drive wiring connectors 23 at both ends.
- the LED22 is a side-view type that emits light in a direction parallel to the surface to be attached to the wiring board 21, and emits light in a direction perpendicular to the direction in which the LEDs 22 are arranged. That is, when the LED module 20 is provided in the LCD unit 10, the light emission surface is provided to face the side surface of the light guide plate 14.
- the LED drive wiring connector 23 has a power connector 23a for connecting a power cable 24 for supplying power from the LED driver (not shown) side.
- the back plate 13 is provided with a plurality of LED module fixing screw holes 13a and LED power connector window 13b as shown in FIG.
- the power cable 24 can be attached to and detached from the power connector 23a of the LED drive wiring connector 23 with the LED module 20 fixed to the LCD unit 10.
- the light emitted from the LED 22 enters from the side surface of the light guide plate 14, propagates through the inside of the light guide plate 14, and exits from the output surface that is the surface facing the liquid crystal panel 11.
- the light emitted from the light guide plate 14 to the reflection sheet 16 side is also reflected by the reflection sheet 16 to enter the inside of the light guide plate 14 again, and similarly exits from the emission surface.
- Light emitted from the emission surface is scattered by the optical sheet 15 and irradiates an image displayed on the liquid crystal panel 11.
- the back plate 13 and the wiring board 21 of the LED module 20 are preferably made of aluminum, copper or the like having a thermal conductivity of 80 WZ m′K or more.
- the light emission characteristics, etc. of LED22 are likely to change due to changes in temperature, but by configuring in this way, the heat generated in LED22 can be dissipated to the outside through wiring board 21 and back plate 13, and the change in temperature of LED22 Can be reduced, and the operation can be stabilized.
- the side surfaces of the bezel 12 and the back plate 13 are provided with an LED module housing inlet 12a through which the LED module 20 can be inserted and removed.
- FIG. 1 only the LED module inlet 12a provided on the bezel 12 is illustrated, and the LED module insertion opening provided on the back plate 13 is illustrated.
- FIG. 5 is a partial cross-sectional view of the LCD unit that works in the second embodiment at a position corresponding to the position indicated by AA in FIG. 1
- FIG. 6 is a plan view of the back surface of the LCD unit.
- the second embodiment is the same as the first embodiment except that the LED driver board is provided below the back plate and the position of the LED module fixing screw hole is different. Same sign It is.
- the LCD unit 10 of this embodiment includes an LCD driver substrate 31 that drives the liquid crystal panel 11 at a position facing the LED 22 across the back plate 13, and an LCD driver substrate.
- a cover 33 covering 31 is provided, and the LCD driver substrate 31 and the liquid crystal panel 11 are electrically connected by wiring 32.
- the wiring board 21 of the LED module 20 is arranged up to a portion not facing the LCD driver substrate 31 at a position facing a part of the reflection sheet 16 provided on the light guide plate 14.
- a plurality of LED module fixing screw holes 13a are provided on the back plate 13 at positions not facing the LCD driver board 31 and facing the wiring board 21, and the back board 13 and the wiring board 21 are connected to this LED.
- the module fixing screw hole 13a is fixed by a screw.
- the LCD driver substrate 31 and the cover 33 are not provided on the side of the LCD unit 10 not shown in FIG. 5, and the LED module 20 on this side is the LCD of the present embodiment.
- the wiring board 21 faces the light guide plate 14 as described in the first embodiment, as in the case where the driver board 31 is provided.
- the shape may not be used.
- FIG. 6 shows a case where the wiring board 21 has a shape facing the light guide plate 14.
- the wiring board 21 has a shape that does not face the light guide plate 14, the wiring board 21 can be minimized, and the LCD unit 10 can be downsized.
- the side surface of the bezel 12 is provided with an LED module insertion slot 12a through which the LED module 20 can be inserted and removed.
- the LCD unit 10 may be configured as follows.
- FIG. 7 shows a case where a reflecting plate for reflecting light is provided in the space surrounding the LED module 20 inside the LCD unit 10 in the second embodiment.
- a reflector 34 is provided on the surface of the plastic frame 17 facing the LED 22 and on the side of the back plate 13 facing the LED 22.
- FIG. 8 shows a case where a top view type LED that emits light in a direction perpendicular to the surface to be soldered is used as the LED 22 in the second embodiment.
- the wiring board 21 of the LED module 20 is L-shaped in cross section.
- the LED 22 is soldered to the sub-board 25, and the sub-board 25 is fixed to the portion perpendicular to the bottom surface of the back plate 13 of the wiring board 21 with screws.
- a top-view type LED can be used in the embodiment of the present invention. In this case, even if the sub-board 25 is not provided and the LED 22 is directly soldered to a portion perpendicular to the bottom surface of the back plate 13 of the wiring board 21, a top-view type LED can be used similarly. .
- FIG. 9 shows a case where a heat conductive sheet 35 is provided between the wiring board 21 and the back plate 13 in the second embodiment.
- the heat conductive sheet 35 is a silicone or acrylic sheet that is in close contact with the wiring substrate 21 and the back plate 13.
- At least one of the surface of the wiring board 21 facing the back board 13 and the surface of the back board 13 facing the wiring board 21 has a higher heat emissivity than the wiring board 21.
- a member (not shown) may be provided.
- a resin coating such as so-called ink or shellac ⁇ (registered trademark) which is a liquid ceramic can be applied and provided.
- a material with a high thermal emissivity has a high heat absorption rate. Therefore, when installed on the wiring board 21, the thermal emissivity of the wiring board 21 can be improved. Absorption rate can be improved.
- the heat generated by the LED 22 is efficiently transferred from the wiring board 21 to the back plate 13 as in the case where the heat conduction sheet 35 is provided. It can transmit, improve the heat dissipation of LED22, and improve the luminous efficiency and durability.
- the member having a high thermal emissivity may be provided together with the heat conductive sheet 35.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/282,917 US7894016B2 (en) | 2006-04-10 | 2006-11-02 | Liquid crystal display |
CN2006800541881A CN101416101B (zh) | 2006-04-10 | 2006-11-02 | 液晶显示装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-107088 | 2006-04-10 | ||
JP2006107088 | 2006-04-10 |
Publications (1)
Publication Number | Publication Date |
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WO2007129419A1 true WO2007129419A1 (ja) | 2007-11-15 |
Family
ID=38667533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/321940 WO2007129419A1 (ja) | 2006-04-10 | 2006-11-02 | 液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7894016B2 (ja) |
CN (1) | CN101416101B (ja) |
WO (1) | WO2007129419A1 (ja) |
Cited By (16)
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WO2009102563A1 (en) * | 2008-02-15 | 2009-08-20 | Lunera Lighting, Inc. | Led light fixture with frame and leds module |
JP2010009845A (ja) * | 2008-06-25 | 2010-01-14 | Toshiba Mobile Display Co Ltd | 照明ユニット及び照明ユニットを備えた液晶表示装置 |
JP2010009787A (ja) * | 2008-06-24 | 2010-01-14 | Toshiba Mobile Display Co Ltd | 照明ユニット及び照明ユニットを備えた液晶表示装置 |
JP2010097924A (ja) * | 2008-09-18 | 2010-04-30 | Hitachi Ltd | 液晶表示装置 |
EP2187248A1 (en) * | 2008-11-18 | 2010-05-19 | Samsung Electronics Co., Ltd. | Backlight unit and liquid crystal display and TV device having the same |
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US10429574B2 (en) | 2017-06-30 | 2019-10-01 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display and backlight module thereof |
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WO2021042330A1 (zh) * | 2019-09-05 | 2021-03-11 | 瑞仪(广州)光电子器件有限公司 | 背光模组及显示装置 |
CN111308789B (zh) * | 2020-04-25 | 2020-11-17 | 泉州台商投资区新克力新材料有限公司 | 一种便于拆装的led背光源保护装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003215547A (ja) * | 2002-01-25 | 2003-07-30 | Sanyo Electric Co Ltd | 液晶表示器 |
JP2005196989A (ja) * | 2003-12-26 | 2005-07-21 | Fujitsu Display Technologies Corp | バックライト及び液晶表示装置 |
JP2006011242A (ja) * | 2004-06-29 | 2006-01-12 | Kyocera Corp | 液晶表示装置 |
JP2006066127A (ja) * | 2004-08-25 | 2006-03-09 | Toshiba Matsushita Display Technology Co Ltd | 面光源装置および液晶表示装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6697130B2 (en) * | 2001-01-16 | 2004-02-24 | Visteon Global Technologies, Inc. | Flexible led backlighting circuit |
JP4055741B2 (ja) * | 2004-05-24 | 2008-03-05 | セイコーエプソン株式会社 | 電気光学装置および電子機器 |
TWI339760B (en) * | 2005-05-30 | 2011-04-01 | Kyocera Corp | Backlight device and liquid crystal display device |
US9383505B2 (en) * | 2006-11-15 | 2016-07-05 | Kevin J. Hathaway | High output LED based illuminator that replaces CCFLS for LCD backlights |
KR101322312B1 (ko) * | 2008-05-23 | 2013-10-25 | 엘지디스플레이 주식회사 | 액정표시장치 |
TW201017262A (en) * | 2008-06-24 | 2010-05-01 | Toshiba Mobile Display Co Ltd | Illumination unit and liquid crystal display device |
-
2006
- 2006-11-02 CN CN2006800541881A patent/CN101416101B/zh not_active Expired - Fee Related
- 2006-11-02 WO PCT/JP2006/321940 patent/WO2007129419A1/ja active Application Filing
- 2006-11-02 US US12/282,917 patent/US7894016B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003215547A (ja) * | 2002-01-25 | 2003-07-30 | Sanyo Electric Co Ltd | 液晶表示器 |
JP2005196989A (ja) * | 2003-12-26 | 2005-07-21 | Fujitsu Display Technologies Corp | バックライト及び液晶表示装置 |
JP2006011242A (ja) * | 2004-06-29 | 2006-01-12 | Kyocera Corp | 液晶表示装置 |
JP2006066127A (ja) * | 2004-08-25 | 2006-03-09 | Toshiba Matsushita Display Technology Co Ltd | 面光源装置および液晶表示装置 |
Cited By (33)
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US7914193B2 (en) | 2008-02-15 | 2011-03-29 | Lunera Lighting, Inc. | LED light fixture |
WO2009102563A1 (en) * | 2008-02-15 | 2009-08-20 | Lunera Lighting, Inc. | Led light fixture with frame and leds module |
US7918598B2 (en) | 2008-02-15 | 2011-04-05 | Lunera Lighting, Inc. | LED light fixture |
US7766536B2 (en) | 2008-02-15 | 2010-08-03 | Lunera Lighting, Inc. | LED light fixture |
US8162510B2 (en) * | 2008-02-22 | 2012-04-24 | Harvatek Corporation | LED chip package structure with multifunctional integrated chips and a method for making the same |
US8421946B2 (en) | 2008-03-18 | 2013-04-16 | Lg Display Co., Ltd. | Backlight unit and liquid crystal display device having the same |
JP2010009787A (ja) * | 2008-06-24 | 2010-01-14 | Toshiba Mobile Display Co Ltd | 照明ユニット及び照明ユニットを備えた液晶表示装置 |
JP2010009845A (ja) * | 2008-06-25 | 2010-01-14 | Toshiba Mobile Display Co Ltd | 照明ユニット及び照明ユニットを備えた液晶表示装置 |
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EP2166405A3 (en) * | 2008-09-18 | 2010-08-25 | Hitachi, Ltd. | Liquid crystal display unit |
US8159629B2 (en) | 2008-09-18 | 2012-04-17 | Hitachi, Ltd. | Liquid crystal display unit |
CN101725862A (zh) * | 2008-10-28 | 2010-06-09 | 三星电子株式会社 | 背光组件、具有其的液晶显示器及加工液晶显示器的方法 |
CN101725862B (zh) * | 2008-10-28 | 2016-08-24 | 三星显示有限公司 | 背光组件、具有其的液晶显示器及加工液晶显示器的方法 |
EP2187248A1 (en) * | 2008-11-18 | 2010-05-19 | Samsung Electronics Co., Ltd. | Backlight unit and liquid crystal display and TV device having the same |
JP2010262292A (ja) * | 2009-05-01 | 2010-11-18 | Samsung Electronics Co Ltd | 液晶表示装置 |
US9030621B2 (en) | 2009-05-01 | 2015-05-12 | Samsung Display Co., Ltd. | Liquid crystal display |
US9442244B2 (en) | 2009-05-01 | 2016-09-13 | Samsung Display Co., Ltd. | Liquid crystal display |
JP2011180287A (ja) * | 2010-02-26 | 2011-09-15 | Sharp Corp | 表示装置 |
US9921366B2 (en) | 2011-02-01 | 2018-03-20 | Funai Electric Co., Ltd. | Display with heat radiation |
US8665398B2 (en) | 2011-03-16 | 2014-03-04 | Samsung Electronics Co., Ltd. | Liquid crystal display and LED module thereof |
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USRE48053E1 (en) | 2011-03-16 | 2020-06-16 | Samsung Electronics Co., Ltd. | Liquid crystal display and LED module thereof |
US8773617B2 (en) | 2011-03-16 | 2014-07-08 | Samsung Electronics Co., Ltd. | Liquid crystal display and LED module thereof |
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Also Published As
Publication number | Publication date |
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US7894016B2 (en) | 2011-02-22 |
CN101416101B (zh) | 2011-03-16 |
US20090128732A1 (en) | 2009-05-21 |
CN101416101A (zh) | 2009-04-22 |
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