KR100688677B1 - 조명 유닛 및 그것을 이용한 액정 표시 장치 - Google Patents
조명 유닛 및 그것을 이용한 액정 표시 장치 Download PDFInfo
- Publication number
- KR100688677B1 KR100688677B1 KR1020047010000A KR20047010000A KR100688677B1 KR 100688677 B1 KR100688677 B1 KR 100688677B1 KR 1020047010000 A KR1020047010000 A KR 1020047010000A KR 20047010000 A KR20047010000 A KR 20047010000A KR 100688677 B1 KR100688677 B1 KR 100688677B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- unit
- guide plate
- lighting element
- liquid crystal
- Prior art date
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Classifications
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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
-
- 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
- G02B6/0093—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 출사면으로부터 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 하우징은, 상기 조명 엘리먼트를 광 출사면측 및 단면측으로부터 유지하는 프레임부와, 상기 조명 엘리먼트의 이면측으로부터 유지하는 이면 유지부를 갖고, 유닛 내부의 열을 유닛 외부로 방출하기 위한 방열 구멍이 상기 이면 유지부에 형성되며,상기 하우징과 상기 조명 엘리먼트의 단면간의 간극 및 상기 방열 구멍을 차폐하는 차폐 부재가, 상기 이면 유지부와 상기 조명 엘리먼트의 상기 반사 부재와의 사이에 배치된 것을 특징으로 하는 조명 유닛.
- 삭제
- 제 1 항에 있어서,상기 하우징은 상기 조명 엘리먼트의 상기 광 출사면의 상기 단부 및 해당 조명 엘리먼트의 상기 단면을 덮는 프레임 부재와, 상기 조명 엘리먼트의 상기 이면 및 상기 프레임 부재의 하단부를 덮는 이면 유지(support) 부재를 갖는 조명 유닛.
- 제 3 항에 있어서,상기 차폐 부재는 평판(sheet) 형상이며, 상기 차폐 부재의 외주가 상기 하우징의 상기 프레임 부재의 내주면과 외주면 사이에 위치하는 조명 유닛.
- 제 3 항에 있어서,상기 차폐 부재는 상자형(box) 형상을 갖고, 상기 차폐 부재의 외주가 상기 하우징의 상기 프레임 부재의 내주면과 외주면 사이에 위치하는 조명 유닛.
- 삭제
- 청구항 1에 기재된 조명 유닛과,상기 조명 유닛의 광 출사면측에 배치된 액정 패널을 구비한 것을 특징으로 하는 액정 표시 장치.
- 삭제
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 |
---|---|
KR20040071751A KR20040071751A (ko) | 2004-08-12 |
KR100688677B1 true 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) |
Families Citing this family (32)
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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 |
JP4469773B2 (ja) * | 2005-09-20 | 2010-05-26 | 東芝モバイルディスプレイ株式会社 | 照明ユニット及びそれを用いた液晶表示装置 |
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 |
KR20080022883A (ko) * | 2006-09-08 | 2008-03-12 | 삼성전자주식회사 | 백라이트 어셈블리 |
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 |
CN105116605A (zh) * | 2015-06-26 | 2015-12-02 | 武汉华星光电技术有限公司 | 背光模组及液晶显示器 |
CN106764639A (zh) * | 2015-11-19 | 2017-05-31 | 扬升照明股份有限公司 | 显示装置及其组装方法 |
JP6523360B2 (ja) * | 2016-06-24 | 2019-05-29 | ミネベアミツミ株式会社 | 面状照明装置 |
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 |
CN111708198A (zh) * | 2020-06-24 | 2020-09-25 | 维沃移动通信有限公司 | 显示组件和电子设备 |
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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KR20000050379A (ko) * | 1999-01-08 | 2000-08-05 | 윤종용 | 액정표시기 모듈용 백라이트 어셈블리 |
KR100654220B1 (ko) | 1999-08-03 | 2006-12-05 | 삼성전자주식회사 | 액정표시장치 |
KR100367012B1 (ko) * | 2000-08-21 | 2003-01-09 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 |
US6930737B2 (en) * | 2001-01-16 | 2005-08-16 | Visteon Global Technologies, Inc. | LED backlighting system |
KR100784804B1 (ko) * | 2001-05-07 | 2007-12-14 | 삼성전자주식회사 | 액정 표시 장치 및 제조 방법 |
KR100757794B1 (ko) * | 2001-09-03 | 2007-09-11 | 삼성전자주식회사 | 액정 표시 모듈 및 이를 갖는 액정 표시 장치 |
-
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
Also Published As
Publication number | Publication date |
---|---|
CN1608184A (zh) | 2005-04-20 |
JPWO2003056236A1 (ja) | 2005-08-11 |
KR20040071751A (ko) | 2004-08-12 |
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 |
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