DE602005004378D1 - Rückbeleuchtungseinheit - Google Patents
RückbeleuchtungseinheitInfo
- Publication number
- DE602005004378D1 DE602005004378D1 DE602005004378T DE602005004378T DE602005004378D1 DE 602005004378 D1 DE602005004378 D1 DE 602005004378D1 DE 602005004378 T DE602005004378 T DE 602005004378T DE 602005004378 T DE602005004378 T DE 602005004378T DE 602005004378 D1 DE602005004378 D1 DE 602005004378D1
- Authority
- DE
- Germany
- Prior art keywords
- backlight unit
- backlight
- unit
- 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
Links
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
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—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
- G02F1/1335—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
- G02B6/0066—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040095902A KR100668314B1 (ko) | 2004-11-22 | 2004-11-22 | 백라이트 유니트 |
KR20040095902 | 2004-11-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602005004378D1 true DE602005004378D1 (de) | 2008-03-06 |
DE602005004378T2 DE602005004378T2 (de) | 2008-05-15 |
Family
ID=35645626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005004378T Expired - Fee Related DE602005004378T2 (de) | 2004-11-22 | 2005-11-22 | Rückbeleuchtungseinheit |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060109684A1 (de) |
EP (2) | EP1707999B1 (de) |
JP (1) | JP4209883B2 (de) |
KR (1) | KR100668314B1 (de) |
DE (1) | DE602005004378T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4442767B2 (ja) * | 2005-02-28 | 2010-03-31 | 株式会社エンプラス | 導光板、該導光板を備えた面光源装置、及び該面光源装置を備えた表示装置 |
JP2007041605A (ja) * | 2005-08-04 | 2007-02-15 | Boe Hydis Technology Co Ltd | 液晶表示装置のバックライト構造体 |
TWI322312B (en) * | 2006-01-19 | 2010-03-21 | Au Optronics Corp | Backlight module and light spread device |
TW200730951A (en) * | 2006-02-10 | 2007-08-16 | Wintek Corp | Guide light module |
KR101263502B1 (ko) * | 2006-03-27 | 2013-05-13 | 엘지디스플레이 주식회사 | 엘이디 백라이트 유닛 및 이를 구비한 액정표시장치 |
US7607814B2 (en) * | 2006-05-24 | 2009-10-27 | 3M Innovative Properties Company | Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces |
US7660509B2 (en) * | 2006-05-24 | 2010-02-09 | 3M Innovative Properties Company | Backlight asymmetric light input wedge |
KR101239076B1 (ko) * | 2006-06-14 | 2013-03-05 | 엘지디스플레이 주식회사 | 측면발광형 백라이트 유닛의 도광판을 채용한 액정표시소자 |
WO2008047285A1 (en) * | 2006-10-16 | 2008-04-24 | Koninklijke Philips Electronics N.V. | Lighting device |
KR100818278B1 (ko) * | 2006-10-16 | 2008-04-01 | 삼성전자주식회사 | 액정 표시장치용 조명장치 |
FR2912225B1 (fr) * | 2007-02-01 | 2009-10-23 | Faurecia Interieur Ind Snc | Dispositif d'injection de lumiere,et element a source etendue de lumiere |
JP4899930B2 (ja) * | 2007-02-28 | 2012-03-21 | ソニー株式会社 | ライトガイド、バックライト装置、ディスプレイ装置及び電子機器 |
JP5007882B2 (ja) * | 2007-08-10 | 2012-08-22 | ミネベア株式会社 | 面状照明装置 |
TW200933247A (en) * | 2008-01-24 | 2009-08-01 | Nano Prec Corp | Side-type backlight module |
CN101587263B (zh) * | 2008-05-20 | 2012-01-25 | 鸿富锦精密工业(深圳)有限公司 | 导光板及背光模组 |
EP2336812A1 (de) * | 2009-12-17 | 2011-06-22 | The Swatch Group Research and Development Ltd. | Vorrichtung zur Bündelung, Homogenisierung und Extraktion von Licht zum Beleuchten einer Anzeigevorrichtung |
US20120314138A1 (en) * | 2010-02-26 | 2012-12-13 | Sharp Kabushiki Kaisha | Lighting device, display device and television receiver |
US8998475B2 (en) * | 2011-04-19 | 2015-04-07 | Sharp Kabushiki Kaisha | Lighting system and display device |
US8911132B1 (en) * | 2013-03-15 | 2014-12-16 | Cooper Technologies Company | Edgelit optic entrance features |
EP3166686A1 (de) * | 2014-07-08 | 2017-05-17 | Philips Lighting Holding B.V. | Beleuchtungsvorrichtung zur kopplung von licht aus einer lichtquelle in eine lichtleitplatte |
TWI563325B (en) * | 2015-12-04 | 2016-12-21 | Young Lighting Technology Inc | Light source module and display apparatus |
TWI563326B (en) * | 2015-12-04 | 2016-12-21 | Young Lighting Technology Inc | Light source module and display apparatus |
US10191207B2 (en) * | 2016-05-13 | 2019-01-29 | Asustek Computer Inc. | Light emitting module and electronic device with the same |
JP7317800B2 (ja) * | 2018-03-22 | 2023-07-31 | 日東電工株式会社 | 光学デバイス |
CN111365655A (zh) * | 2020-04-13 | 2020-07-03 | 常州星宇车灯股份有限公司 | 缩短rgb混光距离的光学结构和方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4367800B2 (ja) * | 1999-07-05 | 2009-11-18 | シチズン電子株式会社 | 面状光源ユニット |
JP2001043717A (ja) | 1999-07-28 | 2001-02-16 | Citizen Electronics Co Ltd | 面状光源ユニット及びこれを用いた液晶表示装置 |
JP2001043719A (ja) | 1999-07-28 | 2001-02-16 | Citizen Electronics Co Ltd | 面状光源ユニット |
KR20010051391A (ko) * | 1999-11-02 | 2001-06-25 | 가마이 고로 | 도광판, 면광원 장치 및 액정 표시 장치 |
JP2002025325A (ja) | 2000-07-11 | 2002-01-25 | Matsushita Electric Ind Co Ltd | 照光装置 |
JP2002148688A (ja) * | 2000-11-06 | 2002-05-22 | Olympus Optical Co Ltd | 照明装置 |
JP4260358B2 (ja) | 2000-12-01 | 2009-04-30 | 日本ライツ株式会社 | 導光板および平面照明装置 |
JP3801032B2 (ja) * | 2001-11-29 | 2006-07-26 | 日本電気株式会社 | 光源とこの光源を用いた液晶表示装置 |
KR100513718B1 (ko) * | 2002-06-20 | 2005-09-07 | 삼성전자주식회사 | 평판표시소자용 조명장치 |
KR100499133B1 (ko) * | 2002-11-04 | 2005-07-04 | 삼성전자주식회사 | 백라이트 유닛 |
JP2004259688A (ja) | 2003-02-28 | 2004-09-16 | Sanyo Electric Co Ltd | 導光板およびバックライト装置および表示装置 |
JP4085377B2 (ja) * | 2003-03-27 | 2008-05-14 | ミネベア株式会社 | 面状照明装置 |
-
2004
- 2004-11-22 KR KR1020040095902A patent/KR100668314B1/ko not_active IP Right Cessation
-
2005
- 2005-11-22 US US11/283,780 patent/US20060109684A1/en not_active Abandoned
- 2005-11-22 JP JP2005337164A patent/JP4209883B2/ja not_active Expired - Fee Related
- 2005-11-22 EP EP06013649A patent/EP1707999B1/de not_active Expired - Fee Related
- 2005-11-22 EP EP05025481A patent/EP1659427A1/de not_active Withdrawn
- 2005-11-22 DE DE602005004378T patent/DE602005004378T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20060109684A1 (en) | 2006-05-25 |
EP1707999A2 (de) | 2006-10-04 |
EP1707999B1 (de) | 2008-01-16 |
KR100668314B1 (ko) | 2007-01-12 |
JP4209883B2 (ja) | 2009-01-14 |
JP2006147581A (ja) | 2006-06-08 |
EP1707999A3 (de) | 2006-10-11 |
KR20060056716A (ko) | 2006-05-25 |
EP1659427A1 (de) | 2006-05-24 |
DE602005004378T2 (de) | 2008-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |