DE60208934D1 - Beleuchtungsvorrichtung und Flüssigkristallanzeige - Google Patents
Beleuchtungsvorrichtung und FlüssigkristallanzeigeInfo
- Publication number
- DE60208934D1 DE60208934D1 DE60208934T DE60208934T DE60208934D1 DE 60208934 D1 DE60208934 D1 DE 60208934D1 DE 60208934 T DE60208934 T DE 60208934T DE 60208934 T DE60208934 T DE 60208934T DE 60208934 D1 DE60208934 D1 DE 60208934D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- crystal display
- lighting device
- lighting
- 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 - Lifetime
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
- 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
- G02B6/0013—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
- G02B6/0028—Light guide, e.g. taper
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
- G02B6/0068—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)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001263922A JP4671562B2 (ja) | 2001-08-31 | 2001-08-31 | 照明装置及び液晶表示装置 |
JP2001263922 | 2001-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60208934D1 true DE60208934D1 (de) | 2006-04-13 |
DE60208934T2 DE60208934T2 (de) | 2006-07-27 |
Family
ID=19090601
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60208934T Expired - Lifetime DE60208934T2 (de) | 2001-08-31 | 2002-03-14 | Beleuchtungsvorrichtung und Flüssigkristallanzeige |
DE60202410T Expired - Lifetime DE60202410T2 (de) | 2001-08-31 | 2002-03-14 | Beleuchtungsvorrichtung und Flüssigkristallanzeige |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60202410T Expired - Lifetime DE60202410T2 (de) | 2001-08-31 | 2002-03-14 | Beleuchtungsvorrichtung und Flüssigkristallanzeige |
Country Status (8)
Country | Link |
---|---|
US (1) | US6883924B2 (de) |
EP (2) | EP1367430B1 (de) |
JP (1) | JP4671562B2 (de) |
KR (1) | KR100817097B1 (de) |
CN (3) | CN1920640A (de) |
CA (2) | CA2692580C (de) |
DE (2) | DE60208934T2 (de) |
TW (1) | TW583436B (de) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4185721B2 (ja) * | 2002-07-17 | 2008-11-26 | アルプス電気株式会社 | 照明装置及び液晶表示装置 |
JP4141766B2 (ja) * | 2002-08-23 | 2008-08-27 | 富士通株式会社 | 照明装置及び液晶表示装置 |
EP1566590B1 (de) * | 2002-11-29 | 2011-07-13 | Fujitsu Limited | Beleuchtungsvorrichtung und flüssigkristallanzeigevorrichtung |
JP2004200128A (ja) * | 2002-12-20 | 2004-07-15 | Koninkl Philips Electronics Nv | 補助光源及びそれを用いたフロントライト |
TWI289708B (en) | 2002-12-25 | 2007-11-11 | Qualcomm Mems Technologies Inc | Optical interference type color display |
TWM243658U (en) * | 2003-06-13 | 2004-09-11 | Hon Hai Prec Ind Co Ltd | Planar light source device |
US6929391B2 (en) * | 2003-07-17 | 2005-08-16 | Apple Computer, Inc. | Light guide panel and method of use |
AU2003257833A1 (en) * | 2003-08-13 | 2005-03-07 | Fujitsu Limited | Illuminating device and liquid crystal display unit |
EP1697792B1 (de) * | 2003-12-05 | 2009-03-25 | Nokia Corporation | Display und verfahren zur bereitstellung eines displays |
CN100371789C (zh) * | 2004-01-14 | 2008-02-27 | 统宝光电股份有限公司 | 面状光源结构 |
US7342705B2 (en) | 2004-02-03 | 2008-03-11 | Idc, Llc | Spatial light modulator with integrated optical compensation structure |
JP2005308789A (ja) * | 2004-04-16 | 2005-11-04 | Alps Electric Co Ltd | 反射体及びこれを用いた液晶表示装置 |
US7355780B2 (en) | 2004-09-27 | 2008-04-08 | Idc, Llc | System and method of illuminating interferometric modulators using backlighting |
US7750886B2 (en) * | 2004-09-27 | 2010-07-06 | Qualcomm Mems Technologies, Inc. | Methods and devices for lighting displays |
US7813026B2 (en) * | 2004-09-27 | 2010-10-12 | Qualcomm Mems Technologies, Inc. | System and method of reducing color shift in a display |
US7561323B2 (en) * | 2004-09-27 | 2009-07-14 | Idc, Llc | Optical films for directing light towards active areas of displays |
JP4553726B2 (ja) * | 2004-12-28 | 2010-09-29 | 富士通株式会社 | 棒状導光体、照明装置及び液晶表示装置 |
US7686494B2 (en) * | 2005-08-04 | 2010-03-30 | Hydis Technologies Co., Ltd. | Backlight assembly of liquid crystal display |
US7603001B2 (en) * | 2006-02-17 | 2009-10-13 | Qualcomm Mems Technologies, Inc. | Method and apparatus for providing back-lighting in an interferometric modulator display device |
KR100903159B1 (ko) * | 2006-07-04 | 2009-06-17 | 노키아 코포레이션 | 디스플레이 및 디스플레이를 제공하는 방법 |
EP2366942A1 (de) | 2006-10-06 | 2011-09-21 | Qualcomm Mems Technologies, Inc. | Beleuchtungseinrichtung einer Anzeigevorrichtung mit darin integrierter Struktur zur Erzeugung optischer Verluste |
WO2008045363A2 (en) * | 2006-10-06 | 2008-04-17 | Qualcomm Mems Technologies, Inc. | Light bar with reflector |
JP5404404B2 (ja) * | 2006-10-06 | 2014-01-29 | クォルコム・メムズ・テクノロジーズ・インコーポレーテッド | 薄い光バー及びその製造方法 |
US8107155B2 (en) * | 2006-10-06 | 2012-01-31 | Qualcomm Mems Technologies, Inc. | System and method for reducing visual artifacts in displays |
EP2069838A2 (de) * | 2006-10-06 | 2009-06-17 | Qualcomm Mems Technologies, Inc. | Beleuchtungsvorrichtung mit eingebautem lichtkoppler |
WO2008045207A2 (en) | 2006-10-06 | 2008-04-17 | Qualcomm Mems Technologies, Inc. | Light guide |
KR100818278B1 (ko) * | 2006-10-16 | 2008-04-01 | 삼성전자주식회사 | 액정 표시장치용 조명장치 |
US7864395B2 (en) | 2006-10-27 | 2011-01-04 | Qualcomm Mems Technologies, Inc. | Light guide including optical scattering elements and a method of manufacture |
KR101318253B1 (ko) * | 2007-03-30 | 2013-10-18 | 삼성디스플레이 주식회사 | 도광판 및 이를 갖는 표시 장치 |
US7733439B2 (en) * | 2007-04-30 | 2010-06-08 | Qualcomm Mems Technologies, Inc. | Dual film light guide for illuminating displays |
US7949213B2 (en) | 2007-12-07 | 2011-05-24 | Qualcomm Mems Technologies, Inc. | Light illumination of displays with front light guide and coupling elements |
US8068710B2 (en) | 2007-12-07 | 2011-11-29 | Qualcomm Mems Technologies, Inc. | Decoupled holographic film and diffuser |
US8721149B2 (en) | 2008-01-30 | 2014-05-13 | Qualcomm Mems Technologies, Inc. | Illumination device having a tapered light guide |
JP2011512006A (ja) | 2008-01-30 | 2011-04-14 | デジタル オプティクス インターナショナル,リミティド ライアビリティ カンパニー | 薄型照明システム |
WO2009102731A2 (en) | 2008-02-12 | 2009-08-20 | Qualcomm Mems Technologies, Inc. | Devices and methods for enhancing brightness of displays using angle conversion layers |
US8654061B2 (en) * | 2008-02-12 | 2014-02-18 | Qualcomm Mems Technologies, Inc. | Integrated front light solution |
US8049951B2 (en) | 2008-04-15 | 2011-11-01 | Qualcomm Mems Technologies, Inc. | Light with bi-directional propagation |
KR20110028595A (ko) * | 2008-05-28 | 2011-03-21 | 퀄컴 엠이엠스 테크놀로지스, 인크. | 광 방향전환용 미세구조체를 구비한 도광 패널 및 그의 제조방법, 그리고 표시장치 |
US8358266B2 (en) | 2008-09-02 | 2013-01-22 | Qualcomm Mems Technologies, Inc. | Light turning device with prismatic light turning features |
US20100051089A1 (en) * | 2008-09-02 | 2010-03-04 | Qualcomm Mems Technologies, Inc. | Light collection device with prismatic light turning features |
KR20110081270A (ko) * | 2008-10-10 | 2011-07-13 | 퀄컴 엠이엠스 테크놀로지스, 인크. | 분산 조명 제어 시스템 |
WO2010042216A2 (en) * | 2008-10-10 | 2010-04-15 | Digital Optics International, Llc | Distributed illumination system |
WO2010082952A1 (en) * | 2009-01-13 | 2010-07-22 | Qualcomm Mems Technologies, Inc. | Large area light panel and screen |
US20100195310A1 (en) * | 2009-02-04 | 2010-08-05 | Qualcomm Mems Technologies, Inc. | Shaped frontlight reflector for use with display |
US8172417B2 (en) * | 2009-03-06 | 2012-05-08 | Qualcomm Mems Technologies, Inc. | Shaped frontlight reflector for use with display |
CN102449510A (zh) * | 2009-05-29 | 2012-05-09 | 高通Mems科技公司 | 反射型显示器的照明装置 |
KR20120090772A (ko) | 2009-05-29 | 2012-08-17 | 퀄컴 엠이엠에스 테크놀로지스, 인크. | 조명장치 및 그의 제조방법 |
WO2010141388A1 (en) * | 2009-06-01 | 2010-12-09 | Qualcomm Mems Technologies, Inc. | Front light based optical touch screen |
US20110169428A1 (en) * | 2010-01-08 | 2011-07-14 | Qualcomm Mems Technologies, Inc. | Edge bar designs to mitigate edge shadow artifact |
US8402647B2 (en) | 2010-08-25 | 2013-03-26 | Qualcomm Mems Technologies Inc. | Methods of manufacturing illumination systems |
US8902484B2 (en) | 2010-12-15 | 2014-12-02 | Qualcomm Mems Technologies, Inc. | Holographic brightness enhancement film |
CN202165943U (zh) * | 2011-07-21 | 2012-03-14 | 北京京东方光电科技有限公司 | 一种背光源及显示装置 |
KR101968552B1 (ko) * | 2011-11-18 | 2019-04-15 | 삼성디스플레이 주식회사 | 터치 표시 장치 및 이를 이용한 터치 위치 검출 방법 |
TWI477855B (zh) * | 2012-01-20 | 2015-03-21 | Au Optronics Corp | 背光模組 |
WO2014076914A1 (ja) * | 2012-11-14 | 2014-05-22 | パナソニック株式会社 | 光源装置 |
US9423552B2 (en) | 2014-02-24 | 2016-08-23 | Google Inc. | Lightguide device with outcoupling structures |
JP6689000B2 (ja) | 2014-11-10 | 2020-04-28 | パナソニックIpマネジメント株式会社 | 掃除機用照明装置 |
KR102019888B1 (ko) * | 2019-04-05 | 2019-11-05 | 삼성디스플레이 주식회사 | 터치 표시 장치 및 이를 이용한 터치 위치 검출 방법 |
CN111256094B (zh) * | 2020-01-22 | 2022-09-23 | 广州市焦汇光电科技有限公司 | 光学装置、光学系统和光学幕墙投影系统 |
JP7225272B2 (ja) * | 2021-01-12 | 2023-02-20 | 矢崎総業株式会社 | 車両用表示装置 |
Family Cites Families (21)
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JPH07294745A (ja) * | 1994-04-25 | 1995-11-10 | Fanuc Ltd | バックライトパネル |
DE19521254A1 (de) * | 1994-06-24 | 1996-01-04 | Minnesota Mining & Mfg | Anzeigesystem mit Helligkeitsverstärkungsfilm |
WO1996017207A1 (en) * | 1994-11-29 | 1996-06-06 | Precision Lamp, Inc. | Edge light for panel display |
US5980054A (en) * | 1996-05-09 | 1999-11-09 | Matsushita Electric Industrial Co., Ltd. | Panel-form illuminating system |
JPH10260405A (ja) | 1997-03-18 | 1998-09-29 | Seiko Epson Corp | 照明装置、液晶表示装置及び電子機器 |
JPH11271767A (ja) * | 1998-03-20 | 1999-10-08 | Stanley Electric Co Ltd | 照明付液晶表示装置 |
JP3379043B2 (ja) * | 1998-06-29 | 2003-02-17 | ミネベア株式会社 | 面状照明装置 |
JP2000089031A (ja) * | 1998-09-10 | 2000-03-31 | Sanyo Electric Co Ltd | バックライト装置および面発光装置 |
CN2358336Y (zh) | 1998-10-08 | 2000-01-12 | 广州市荔湾区华安堡电子灯饰厂 | 发光二极管发光反射板 |
EP1698918A1 (de) * | 1998-11-27 | 2006-09-06 | Sharp Kabushiki Kaisha | Illuminator,Beleuchtungsvorrichtung,Frontlicht und Flüssigkristallanzeige |
JP3421603B2 (ja) * | 1999-01-21 | 2003-06-30 | 三洋電機株式会社 | 導光板、その導光板を用いた面光源装置及び表示装置 |
JP3366589B2 (ja) * | 1999-01-28 | 2003-01-14 | 京セラ株式会社 | 液晶表示装置 |
TW592308U (en) * | 1999-02-17 | 2004-06-11 | Enplas Corp | Light guiding plate, surface light source device, and liquid crystal display device |
JP2000268616A (ja) * | 1999-03-15 | 2000-09-29 | Seiko Epson Corp | 面状発光体、フロントライト、液晶装置及び電子機器 |
JP2000268622A (ja) * | 1999-03-16 | 2000-09-29 | Minebea Co Ltd | 面状照明装置 |
JP2001014921A (ja) * | 1999-06-28 | 2001-01-19 | Minebea Co Ltd | 面状照明装置 |
JP2001035227A (ja) * | 1999-07-19 | 2001-02-09 | Minebea Co Ltd | 面状照明装置 |
JP2001043718A (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 |
JP2001236811A (ja) * | 2000-02-23 | 2001-08-31 | Fujitsu Kasei Kk | 照明装置 |
JP4404424B2 (ja) * | 2000-01-21 | 2010-01-27 | シチズン電子株式会社 | 線状光源ユニット |
JP2001222906A (ja) | 2000-02-08 | 2001-08-17 | Minebea Co Ltd | 面状照明装置 |
-
2001
- 2001-08-31 JP JP2001263922A patent/JP4671562B2/ja not_active Expired - Fee Related
-
2002
- 2002-03-06 US US10/092,167 patent/US6883924B2/en not_active Expired - Lifetime
- 2002-03-07 TW TW091104284A patent/TW583436B/zh not_active IP Right Cessation
- 2002-03-11 CA CA2692580A patent/CA2692580C/en not_active Expired - Fee Related
- 2002-03-11 CA CA2376387A patent/CA2376387C/en not_active Expired - Fee Related
- 2002-03-14 DE DE60208934T patent/DE60208934T2/de not_active Expired - Lifetime
- 2002-03-14 EP EP03016505A patent/EP1367430B1/de not_active Expired - Fee Related
- 2002-03-14 DE DE60202410T patent/DE60202410T2/de not_active Expired - Lifetime
- 2002-03-14 EP EP02251845A patent/EP1288702B1/de not_active Expired - Fee Related
- 2002-03-15 KR KR1020020014122A patent/KR100817097B1/ko not_active IP Right Cessation
- 2002-04-09 CN CNA2006100817874A patent/CN1920640A/zh active Pending
- 2002-04-09 CN CNA2007101537184A patent/CN101118044A/zh active Pending
- 2002-04-09 CN CN02106197A patent/CN1403858A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1367430A2 (de) | 2003-12-03 |
US20030058632A1 (en) | 2003-03-27 |
DE60202410D1 (de) | 2005-02-03 |
CN1403858A (zh) | 2003-03-19 |
US6883924B2 (en) | 2005-04-26 |
JP4671562B2 (ja) | 2011-04-20 |
CA2376387C (en) | 2010-05-04 |
KR20030019064A (ko) | 2003-03-06 |
DE60208934T2 (de) | 2006-07-27 |
JP2003077326A (ja) | 2003-03-14 |
EP1288702A1 (de) | 2003-03-05 |
CN101118044A (zh) | 2008-02-06 |
CN1920640A (zh) | 2007-02-28 |
CA2692580C (en) | 2015-09-15 |
KR100817097B1 (ko) | 2008-03-26 |
EP1367430A3 (de) | 2004-05-26 |
DE60202410T2 (de) | 2005-06-30 |
CA2692580A1 (en) | 2003-02-28 |
TW583436B (en) | 2004-04-11 |
CA2376387A1 (en) | 2003-02-28 |
EP1288702B1 (de) | 2004-12-29 |
EP1367430B1 (de) | 2006-01-25 |
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