KR101244487B1 - 백라이트 유닛 및 이를 구비한 액정표시장치 - Google Patents
백라이트 유닛 및 이를 구비한 액정표시장치 Download PDFInfo
- Publication number
- KR101244487B1 KR101244487B1 KR20090072060A KR20090072060A KR101244487B1 KR 101244487 B1 KR101244487 B1 KR 101244487B1 KR 20090072060 A KR20090072060 A KR 20090072060A KR 20090072060 A KR20090072060 A KR 20090072060A KR 101244487 B1 KR101244487 B1 KR 101244487B1
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- KR
- South Korea
- Prior art keywords
- cover bottom
- circuit board
- printed circuit
- liquid crystal
- crystal display
- 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.)
- Expired - Fee Related
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- 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
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- 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
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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
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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
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
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- 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]
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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
- G02F1/133314—Back frames
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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
- G02F1/1335—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
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/54—Arrangements for reducing warping-twist
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (10)
- 상면이 개구된 커버버텀;상기 커버버텀의 내측면에 배면이 배치된 인쇄회로기판;상기 커버버텀의 내측면과 상기 인쇄회로기판의 배면 사이에 구비된 방열 플레이트; 및상기 인쇄회로기판상에 실장된 복수의 발광 다이오드;를 포함하고,상기 인쇄회로기판 및 상기 방열 플레이트의 일측 영역과 대응되는 상기 커버버텀의 주변 영역을 따라 복수의 슬릿(slit)이 형성되는 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 삭제
- 제1 항에 있어서,상기 복수의 슬릿은 상기 커버버텀의 측면을 기준으로 수직방향으로 형성된 것을 특징으로 하는 백라이트 유닛.
- 제1 항에 있어서,상기 커버버텀의 측면의 길이방향으로 정의되는 제1 방향과, 상기 제1 방향과 수직한 방향으로 정의되는 제2 방향으로 구분되며, 상기 복수의 슬릿은 상기 제1 방향으로 형성된 제1 패턴과, 상기 제2 방향으로 형성된 제2 패턴을 포함하는 것을 특징으로 하는 백라이트 유닛.
- 제1 항에 있어서,상기 복수의 슬릿은 'T'자 구조로 이루어지는 것을 특징으로 하는 백라이트 유닛.
- 제1 항에 있어서,상기 복수의 슬릿은 '+'자 구조로 이루어지는 것을 특징으로 하는 백라이트 유닛.
- 제1 항에 있어서,상기 인쇄회로기판은 메탈 PCB인 것을 특징으로 하는 백라이트 유닛.
- 제1 항에 있어서,상기 인쇄회로기판은 상기 커버버텀의 모든 내측면에 구비된 것을 특징으로 하는 백라이트 유닛.
- 액정표시패널;상기 액정표시패널의 하부에 배치되고, 상면이 개구된 커버버텀;상기 커버버텀의 내측면에 배면이 배치된 인쇄회로기판;상기 커버버텀의 내측면과 상기 인쇄회로기판의 배면 사이에 구비된 방열 플레이트; 및상기 인쇄회로기판상에 실장된 복수의 발광 다이오드;를 포함하고,상기 인쇄회로기판 및 상기 방열 플레이트의 일측 영역과 대응되는 상기 커버버텀의 주변 영역을 따라 복수의 슬릿(slit)이 형성되는 것을 특징으로 하는 액정표시장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090072060A KR101244487B1 (ko) | 2009-08-05 | 2009-08-05 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
CN201010207400.1A CN101994953B (zh) | 2009-08-05 | 2010-06-18 | 背光单元和具有该背光单元的液晶显示设备 |
US12/850,183 US9019443B2 (en) | 2009-08-05 | 2010-08-04 | Backlight unit comprising a plurality of slits formed on a bottom surface of at least one edge of a bottom cover and liquid crystal display device having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090072060A KR101244487B1 (ko) | 2009-08-05 | 2009-08-05 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110014408A KR20110014408A (ko) | 2011-02-11 |
KR101244487B1 true KR101244487B1 (ko) | 2013-03-18 |
Family
ID=43534579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20090072060A Expired - Fee Related KR101244487B1 (ko) | 2009-08-05 | 2009-08-05 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9019443B2 (ko) |
KR (1) | KR101244487B1 (ko) |
CN (1) | CN101994953B (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITVR20110014U1 (it) * | 2011-05-23 | 2012-11-24 | Andrea Manni | Lampade a striscia led con luce a diffusione radiale. |
US9488772B2 (en) * | 2011-07-11 | 2016-11-08 | Seiko Epson Corporation | Display device, electronic apparatus and illumination device |
US8801260B2 (en) * | 2011-07-11 | 2014-08-12 | Seiko Epson Corporation | Display device, electronic apparatus and lighting device |
KR101896348B1 (ko) * | 2011-07-22 | 2018-09-07 | 삼성전자주식회사 | 칩 온 필름 패키지 및 이를 포함하는 장치 어셈블리 |
US20130027971A1 (en) * | 2011-07-29 | 2013-01-31 | Enlight Corporation | Dazzle prevention lighting fixture with light guide means to disperse emitted light uniformly |
US20140111733A1 (en) * | 2012-10-18 | 2014-04-24 | Shenzhen China Star Optoelectronics Technology Co. | Backlight module and liquid crystal display device comprising same |
KR20150092436A (ko) | 2014-02-04 | 2015-08-13 | 삼성디스플레이 주식회사 | 표시 장치 |
KR102501607B1 (ko) * | 2015-12-23 | 2023-02-17 | 엘지디스플레이 주식회사 | 액정 표시 장치 |
US10146004B2 (en) | 2017-01-17 | 2018-12-04 | Zspace, Inc. | Segmented backlight for dynamic contrast |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050005167A (ko) * | 2003-07-05 | 2005-01-13 | 삼성전자주식회사 | 액정 표시 장치 |
KR20080060863A (ko) * | 2006-12-27 | 2008-07-02 | 엘지디스플레이 주식회사 | 평면 광원 유닛 및 그를 이용한 액정 표시 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100688677B1 (ko) * | 2001-12-25 | 2007-03-02 | 마츠시타 덴끼 산교 가부시키가이샤 | 조명 유닛 및 그것을 이용한 액정 표시 장치 |
JP4211029B2 (ja) * | 2003-07-17 | 2009-01-21 | 三菱電機株式会社 | 面光源装置 |
JP2006011242A (ja) * | 2004-06-29 | 2006-01-12 | Kyocera Corp | 液晶表示装置 |
JP4915911B2 (ja) * | 2006-10-02 | 2012-04-11 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
KR101303892B1 (ko) * | 2006-11-03 | 2013-09-05 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 구비한 액정표시장치 |
JP2009098310A (ja) * | 2007-10-15 | 2009-05-07 | Hitachi Displays Ltd | 液晶表示装置 |
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2009
- 2009-08-05 KR KR20090072060A patent/KR101244487B1/ko not_active Expired - Fee Related
-
2010
- 2010-06-18 CN CN201010207400.1A patent/CN101994953B/zh not_active Expired - Fee Related
- 2010-08-04 US US12/850,183 patent/US9019443B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050005167A (ko) * | 2003-07-05 | 2005-01-13 | 삼성전자주식회사 | 액정 표시 장치 |
KR20080060863A (ko) * | 2006-12-27 | 2008-07-02 | 엘지디스플레이 주식회사 | 평면 광원 유닛 및 그를 이용한 액정 표시 장치 |
Also Published As
Publication number | Publication date |
---|---|
CN101994953A (zh) | 2011-03-30 |
US9019443B2 (en) | 2015-04-28 |
KR20110014408A (ko) | 2011-02-11 |
CN101994953B (zh) | 2014-11-12 |
US20110032447A1 (en) | 2011-02-10 |
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