KR20040071751A - 조명 유닛 및 그것을 이용한 액정 표시 장치 - Google Patents
조명 유닛 및 그것을 이용한 액정 표시 장치 Download PDFInfo
- Publication number
- KR20040071751A KR20040071751A KR10-2004-7010000A KR20047010000A KR20040071751A KR 20040071751 A KR20040071751 A KR 20040071751A KR 20047010000 A KR20047010000 A KR 20047010000A KR 20040071751 A KR20040071751 A KR 20040071751A
- Authority
- KR
- South Korea
- Prior art keywords
- light
- lighting element
- liquid crystal
- housing
- guide plate
- Prior art date
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Classifications
-
- 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
- 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
-
- 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
- G02B6/0093—Means for protecting 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
- G02B6/0033—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
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
-
- 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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
Landscapes
- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (8)
- 광원과, 상기 광원이 단면(端面)에 배치되고 상기 광원으로부터 출사한 광을 도광하여 광 출사면로부터 출사하는 도광판과, 상기 도광판의 이면(裏面) 및 단면(端面)과 상기 광원을 덮는 반사 부재를 포함하는 조명 엘리먼트와, 상기 조명 엘리먼트를 유지하는 하우징을 구비한 조명 유닛에 있어서,상기 하우징과 상기 조명 엘리먼트의 단면(端面)과의 간극을 차폐하는 차폐 부재가 상기 하우징과 상기 조명 엘리먼트 사이에 배치된 것을 특징으로 하는 조명 유닛.
- 제 1 항에 있어서,상기 하우징은 상기 조명 엘리먼트를 광 출사면측 및 단면측으로부터 유지하는 프레임부와, 상기 조명 엘리먼트를 이면측으로부터 유지하는 이면 유지부를 갖고, 유닛 내부의 열을 유닛 외부로 방출하기 위한 방열 구멍이 상기 이면 유지부에 형성되며,상기 차폐 부재가 적어도 상기 조명 엘리먼트의 바닥면과 상기 하우징의 바닥부 사이에 배치된조명 유닛.
- 제 2 항에 있어서,상기 하우징은 상기 프레임부를 구성하고 상기 조명 엘리먼트의 상기 광 출사면측에 장착된 프레임 부재와, 상기 이면 유지부를 구성하고 상기 프레임 부재와 감합(嵌合)되어 상기 조명 엘리먼트를 수납하는 이면 유지 부재를 갖고, 상기 하우징의 프레임 부재와 상기 이면 유지 부재 사이에 형성되고 상기 조명 엘리먼트의 상기 광 출사면에 연통하는 간극이 상기 차폐 부재로 차폐된 조명 유닛.
- 제 3 항에 있어서,상기 차폐 부재는 평판 형상이며, 상기 차폐 부재의 외주가 상기 하우징의 상기 프레임 부재의 내주면과 외주면 사이에 위치하는 조명 유닛.
- 제 3 항에 있어서,상기 차폐 부재는 상자형 형상을 갖고, 상기 차폐 부재의 외주가 상기 하우징의 상기 프레임 부재의 내주면과 외주면 사이에 위치하는 조명 유닛.
- 제 1 항에 있어서,상기 차폐 부재가 공기보다도 열 전도도가 높은 재료로 구성되는 조명 유닛.
- 청구항 1에 기재된 조명 유닛과,상기 조명 유닛의 광 출사면측에 배치된 액정 패널을 구비한 것을 특징으로 하는 액정 표시 장치.
- 청구항 6에 기재된 조명 유닛과,상기 조명 유닛의 광 출사면측에 배치된 액정 패널을 구비한 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001391439 | 2001-12-25 | ||
JPJP-P-2001-00391439 | 2001-12-25 | ||
PCT/JP2002/013492 WO2003056236A1 (fr) | 2001-12-25 | 2002-12-25 | Unite d'eclairage et dispositif d'affichage a cristaux liquides utilisant cette unite |
Publications (2)
Publication Number | Publication Date |
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KR20040071751A true KR20040071751A (ko) | 2004-08-12 |
KR100688677B1 KR100688677B1 (ko) | 2007-03-02 |
Family
ID=19188520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047010000A KR100688677B1 (ko) | 2001-12-25 | 2002-12-25 | 조명 유닛 및 그것을 이용한 액정 표시 장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7210841B2 (ko) |
EP (1) | EP1460336B1 (ko) |
JP (1) | JP4146349B2 (ko) |
KR (1) | KR100688677B1 (ko) |
CN (1) | CN1608184A (ko) |
AU (1) | AU2002360006A1 (ko) |
DE (1) | DE60219073T2 (ko) |
WO (1) | WO2003056236A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100783878B1 (ko) * | 2005-09-20 | 2007-12-10 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | 조명 유닛 및 그것을 이용한 액정 표시 장치 |
KR20080022883A (ko) * | 2006-09-08 | 2008-03-12 | 삼성전자주식회사 | 백라이트 어셈블리 |
Families Citing this family (30)
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US7001048B2 (en) * | 2003-12-11 | 2006-02-21 | Heng Sheng Kuo | Reflection-diffusion structure adopted for a light guide plate |
KR20050069551A (ko) * | 2003-12-31 | 2005-07-05 | 주식회사 제너럴 라이팅 | 액정표시소자용 면광원 램프장치의 지지프레임 |
CN100485478C (zh) * | 2004-01-05 | 2009-05-06 | 鸿富锦精密工业(深圳)有限公司 | 直下式背光模组 |
CN100376980C (zh) * | 2004-02-05 | 2008-03-26 | 鸿富锦精密工业(深圳)有限公司 | 光源罩及背光模组 |
JP4421947B2 (ja) * | 2004-06-01 | 2010-02-24 | Nec液晶テクノロジー株式会社 | 発光装置、及び液晶表示装置 |
CN100483206C (zh) * | 2005-06-01 | 2009-04-29 | 鸿富锦精密工业(深圳)有限公司 | 显示装置 |
KR100687926B1 (ko) | 2005-06-13 | 2007-02-27 | 삼성전자주식회사 | 액정표시장치 |
US7864265B2 (en) * | 2005-11-08 | 2011-01-04 | Sharp Kabushiki Kaisha | Lamp holder, and backlight device and liquid crystal display device using such lamp holder |
TWI334050B (en) * | 2006-07-21 | 2010-12-01 | Coretronic Corp | Backlight module |
US20080074882A1 (en) * | 2006-09-25 | 2008-03-27 | Jin-Sing Chou | Light source device structure |
TWI354164B (en) * | 2006-10-03 | 2011-12-11 | Au Optronics Corp | Liquid crystal display and back light module there |
KR100836488B1 (ko) * | 2006-11-09 | 2008-06-09 | 삼성에스디아이 주식회사 | 휴대용 표시장치 |
CN101610619B (zh) * | 2008-06-20 | 2012-12-05 | 国琏电子(上海)有限公司 | 背光模块 |
KR101529556B1 (ko) | 2008-12-26 | 2015-06-17 | 엘지디스플레이 주식회사 | 방열이 용이한 액정표시소자 |
TWI395015B (zh) * | 2009-08-04 | 2013-05-01 | Au Optronics Corp | 顯示裝置 |
KR101244487B1 (ko) * | 2009-08-05 | 2013-03-18 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
JP5161381B1 (ja) * | 2011-06-07 | 2013-03-13 | シャープ株式会社 | 表示装置及びテレビジョン受信機 |
CN103017024A (zh) * | 2012-11-29 | 2013-04-03 | 冠捷显示科技(厦门)有限公司 | 背光模组 |
JP5993766B2 (ja) * | 2013-03-26 | 2016-09-14 | 株式会社東芝 | 照明装置 |
WO2014209620A1 (en) * | 2013-06-28 | 2014-12-31 | 3M Innovative Properties Company | Fibrin-coated wound dressing |
DE102014112546A1 (de) * | 2014-09-01 | 2016-03-03 | Rehau Ag + Co | Lichtverteilvorrichtung und Leuchtvorrichtung |
USD757930S1 (en) | 2015-03-19 | 2016-05-31 | Insleep Technologies, Llc | Nasal pillow |
CN104763931B (zh) * | 2015-04-09 | 2017-06-13 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
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CN108594536B (zh) * | 2018-07-02 | 2021-04-20 | 惠科股份有限公司 | 背光模组及显示屏 |
CN110568662B (zh) * | 2019-08-14 | 2024-05-10 | 武汉华星光电技术有限公司 | 背光模组及显示面板 |
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CN117031826A (zh) * | 2023-08-30 | 2023-11-10 | 惠科股份有限公司 | 背光模组及显示装置 |
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2002
- 2002-12-25 KR KR1020047010000A patent/KR100688677B1/ko not_active IP Right Cessation
- 2002-12-25 WO PCT/JP2002/013492 patent/WO2003056236A1/ja active IP Right Grant
- 2002-12-25 EP EP02793369A patent/EP1460336B1/en not_active Expired - Lifetime
- 2002-12-25 AU AU2002360006A patent/AU2002360006A1/en not_active Abandoned
- 2002-12-25 US US10/500,123 patent/US7210841B2/en not_active Expired - Fee Related
- 2002-12-25 JP JP2003556723A patent/JP4146349B2/ja not_active Expired - Lifetime
- 2002-12-25 CN CNA028261763A patent/CN1608184A/zh active Pending
- 2002-12-25 DE DE60219073T patent/DE60219073T2/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100783878B1 (ko) * | 2005-09-20 | 2007-12-10 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | 조명 유닛 및 그것을 이용한 액정 표시 장치 |
KR20080022883A (ko) * | 2006-09-08 | 2008-03-12 | 삼성전자주식회사 | 백라이트 어셈블리 |
Also Published As
Publication number | Publication date |
---|---|
CN1608184A (zh) | 2005-04-20 |
JPWO2003056236A1 (ja) | 2005-08-11 |
JP4146349B2 (ja) | 2008-09-10 |
EP1460336A1 (en) | 2004-09-22 |
WO2003056236A1 (fr) | 2003-07-10 |
EP1460336A4 (en) | 2005-06-01 |
EP1460336B1 (en) | 2007-03-21 |
US7210841B2 (en) | 2007-05-01 |
DE60219073T2 (de) | 2007-12-13 |
DE60219073D1 (de) | 2007-05-03 |
US20050018416A1 (en) | 2005-01-27 |
AU2002360006A1 (en) | 2003-07-15 |
KR100688677B1 (ko) | 2007-03-02 |
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