DE69620718D1 - Beleuchtungsvorrichtung und diese enthaltender Flüssigkristallapparat - Google Patents
Beleuchtungsvorrichtung und diese enthaltender FlüssigkristallapparatInfo
- Publication number
- DE69620718D1 DE69620718D1 DE69620718T DE69620718T DE69620718D1 DE 69620718 D1 DE69620718 D1 DE 69620718D1 DE 69620718 T DE69620718 T DE 69620718T DE 69620718 T DE69620718 T DE 69620718T DE 69620718 D1 DE69620718 D1 DE 69620718D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- same
- lighting device
- crystal apparatus
- apparatus containing
- 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
- 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
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
-
- 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
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
-
- 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
- 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
-
- 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
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02F1/133528—Polarisers
- G02F1/13355—Polarising beam splitters [PBS]
-
- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31679895 | 1995-12-05 | ||
JP8312317A JPH09218407A (ja) | 1995-12-05 | 1996-11-22 | 照明装置、及び該照明装置を備えた液晶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69620718D1 true DE69620718D1 (de) | 2002-05-23 |
DE69620718T2 DE69620718T2 (de) | 2002-09-26 |
Family
ID=26567109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69620718T Expired - Fee Related DE69620718T2 (de) | 1995-12-05 | 1996-12-04 | Beleuchtungsvorrichtung und diese enthaltender Flüssigkristallapparat |
Country Status (4)
Country | Link |
---|---|
US (1) | US6020944A (de) |
EP (1) | EP0778484B1 (de) |
JP (1) | JPH09218407A (de) |
DE (1) | DE69620718T2 (de) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1125367C (zh) | 1997-10-28 | 2003-10-22 | 皇家菲利浦电子有限公司 | 显示装置 |
TW565733B (en) * | 1998-03-18 | 2003-12-11 | Hitachi Ltd | Liquid crystal display device |
TW523627B (en) * | 1998-07-14 | 2003-03-11 | Hitachi Ltd | Liquid crystal display device |
JP2000081848A (ja) * | 1998-09-03 | 2000-03-21 | Semiconductor Energy Lab Co Ltd | 液晶表示装置を搭載した電子機器 |
JP2000214838A (ja) * | 1999-01-27 | 2000-08-04 | Fuji Photo Film Co Ltd | 表示装置 |
US7088333B1 (en) * | 1999-03-12 | 2006-08-08 | Matsushita Electric Industrial Co., Ltd. | Surface lighting device and portable terminal using the same |
US6278552B1 (en) * | 1999-05-12 | 2001-08-21 | Minolta Co., Ltd. | Polarization separation device and projection-type display apparatus |
WO2001002772A1 (en) * | 1999-07-01 | 2001-01-11 | 3M Innovative Properties Company | Display assembly having a front light guide |
US6421104B1 (en) | 1999-10-22 | 2002-07-16 | Motorola, Inc. | Front illuminator for a liquid crystal display and method of making same |
JP4387014B2 (ja) * | 1999-12-06 | 2009-12-16 | 日東電工株式会社 | 液晶表示装置 |
TW454098B (en) * | 1999-12-31 | 2001-09-11 | Lee Chih Kung | The configuration of a backlight module that can control the polarization state of the output light beams |
WO2001053745A1 (en) * | 2000-01-19 | 2001-07-26 | Omlidon Technologies Llc | Polarizing device |
US6789910B2 (en) | 2000-04-12 | 2004-09-14 | Semiconductor Energy Laboratory, Co., Ltd. | Illumination apparatus |
US20010050815A1 (en) * | 2000-04-28 | 2001-12-13 | Jun Ishihara | Light separation device, blazed grating device, diffraction grating device, and illumination optical system |
EP1281022A1 (de) | 2000-05-04 | 2003-02-05 | Koninklijke Philips Electronics N.V. | Beleuchtungseinheit für vorrichtung mit mehrfarbiger reflektierender flüssigkristallanzeige |
US6598987B1 (en) * | 2000-06-15 | 2003-07-29 | Nokia Mobile Phones Limited | Method and apparatus for distributing light to the user interface of an electronic device |
CN1216309C (zh) * | 2000-12-14 | 2005-08-24 | 皇家菲利浦电子有限公司 | 照明结构、包括该结构的显示器和照亮显示器的方法 |
KR20030068568A (ko) * | 2000-12-28 | 2003-08-21 | 후지 덴키 가부시끼가이샤 | 도광판 및 이 도광판을 구비한 액정 표시 장치 |
JP2002311242A (ja) * | 2001-04-18 | 2002-10-23 | Ricoh Co Ltd | 偏光分離素子、半導体レーザユニットおよび光ピックアップ装置 |
WO2003004931A2 (en) * | 2001-06-30 | 2003-01-16 | Samsung Electro-Mechanics Co., Ltd. | Backlight using planar hologram for flat display device |
US6536933B1 (en) * | 2001-08-27 | 2003-03-25 | Palm, Inc. | Vapor deposition of reflective and/or phosphorescent material in a lighting system |
TWI232281B (en) * | 2002-08-16 | 2005-05-11 | Toppoly Optoelectronics Corp | A backlight device of a LCD display |
WO2004042273A1 (ja) * | 2002-11-06 | 2004-05-21 | Sharp Kabushiki Kaisha | 照明装置およびそれを備えた画像表示装置ならびに導光体 |
JP4170084B2 (ja) * | 2002-12-04 | 2008-10-22 | 三菱電機株式会社 | 面状光源装置及び表示装置 |
US7061028B2 (en) * | 2003-03-12 | 2006-06-13 | Taiwan Semiconductor Manufacturing, Co., Ltd. | Image sensor device and method to form image sensor device |
KR100476563B1 (ko) * | 2003-06-02 | 2005-03-18 | 삼성전기주식회사 | 디스플레이용 라이트 유닛 |
GB0322682D0 (en) * | 2003-09-27 | 2003-10-29 | Koninkl Philips Electronics Nv | Backlight for 3D display device |
JP2005135899A (ja) * | 2003-10-06 | 2005-05-26 | Omron Corp | 面光源装置及び表示装置 |
US20050275944A1 (en) | 2004-06-11 | 2005-12-15 | Wang Jian J | Optical films and methods of making the same |
US7670758B2 (en) * | 2004-04-15 | 2010-03-02 | Api Nanofabrication And Research Corporation | Optical films and methods of making the same |
US20060001969A1 (en) * | 2004-07-02 | 2006-01-05 | Nanoopto Corporation | Gratings, related optical devices and systems, and methods of making such gratings |
JP2006039056A (ja) * | 2004-07-23 | 2006-02-09 | Hitachi Chem Co Ltd | 液晶表示装置 |
JP2006079852A (ja) * | 2004-09-07 | 2006-03-23 | Toppan Printing Co Ltd | 導光板およびディスプレイ装置 |
US7431489B2 (en) * | 2004-11-17 | 2008-10-07 | Fusion Optix Inc. | Enhanced light fixture |
US7265370B2 (en) * | 2005-04-28 | 2007-09-04 | Hewlett-Packard Development Company, L.P. | Sensing light |
KR20060135153A (ko) * | 2005-06-24 | 2006-12-29 | 삼성전자주식회사 | 액정 표시 장치 |
WO2007036877A2 (en) * | 2005-09-30 | 2007-04-05 | Koninklijke Philips Electronics N.V. | Back light unit |
US7486854B2 (en) | 2006-01-24 | 2009-02-03 | Uni-Pixel Displays, Inc. | Optical microstructures for light extraction and control |
KR100738104B1 (ko) | 2006-02-08 | 2007-07-12 | 삼성전자주식회사 | 편광 도광판 및 그 제조 방법 및 상기 편광 도광판을이용한 평판표시장치용 조명장치 |
FR2915811B1 (fr) * | 2007-05-04 | 2009-07-10 | Saint Gobain | Reseau diffusant la lumiere |
US8619363B1 (en) | 2007-11-06 | 2013-12-31 | Fusion Optix, Inc. | Light redirecting element comprising a forward diffracting region and a scattering region |
WO2009101236A1 (en) * | 2008-02-13 | 2009-08-20 | Nokia Corporation | Display device and a method for illuminating a light modulator array of a display device |
TWI557446B (zh) * | 2008-03-31 | 2016-11-11 | 3M新設資產公司 | 光學膜 |
JP2009032698A (ja) * | 2008-08-21 | 2009-02-12 | Konica Minolta Opto Inc | 照明光学系 |
TW201024820A (en) * | 2008-12-24 | 2010-07-01 | Coretronic Corp | Light-guiding plate and backlight module |
JP4978658B2 (ja) * | 2009-05-22 | 2012-07-18 | 大日本印刷株式会社 | ホログラム導光板 |
CN102045915A (zh) * | 2009-10-09 | 2011-05-04 | 鸿富锦精密工业(深圳)有限公司 | Led照明装置 |
JP2012063670A (ja) * | 2010-09-17 | 2012-03-29 | Hitachi Displays Ltd | 液晶表示装置 |
US20130182457A1 (en) * | 2012-01-13 | 2013-07-18 | Rambus Inc. | Lighting assembly with static autostereoscopic image output |
US9297942B2 (en) * | 2012-10-13 | 2016-03-29 | Hewlett-Packard Development Company, L.P. | Imaging with polarization removal |
WO2014204471A1 (en) * | 2013-06-20 | 2014-12-24 | Hewlett-Packard Development Company, L.P. | Grating-based light modulation employing a liquid crystal |
KR102239155B1 (ko) * | 2015-01-10 | 2021-04-12 | 레이아 인코포레이티드 | 편광-믹싱 광 가이드 및 이를 사용한 멀티빔 격자-기반 백라이팅 |
KR102654863B1 (ko) * | 2016-11-08 | 2024-04-05 | 삼성전자주식회사 | 지향성 백라이트 유닛 및 이를 포함하는 영상 표시 장치 |
JP2018205395A (ja) * | 2017-05-31 | 2018-12-27 | セイコーエプソン株式会社 | ハーフミラー、導光装置および表示装置 |
KR102440643B1 (ko) | 2018-01-27 | 2022-09-06 | 레이아 인코포레이티드 | 서브파장 격자들을 이용하는 편광 재순환 백라이트, 방법 및 멀티뷰 디스플레이 |
JP7487109B2 (ja) * | 2018-03-16 | 2024-05-20 | ディジレンズ インコーポレイテッド | 複屈折制御を組み込むホログラフィック導波管およびその加工のための方法 |
US11327215B2 (en) * | 2019-03-29 | 2022-05-10 | Boe Technology Group Co., Ltd. | Collimating backlight module, preparation method thereof and display device |
US20220236570A1 (en) * | 2019-08-19 | 2022-07-28 | University Of Central Florida Research Foundation, Inc. | Input coupler component, optical display system and electronics apparatus |
US11474395B2 (en) * | 2019-12-18 | 2022-10-18 | Meta Platforms Technologies, Llc | Birefringent polymer based surface relief grating |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884549A (en) * | 1973-04-30 | 1975-05-20 | Univ California | Two demensional distributed feedback devices and lasers |
EP0455067B1 (de) * | 1990-05-03 | 2003-02-26 | F. Hoffmann-La Roche Ag | Mikrooptischer Sensor |
GB2256477B (en) * | 1991-06-07 | 1995-03-08 | Marconi Gec Ltd | An optical sensor |
TW594115B (en) * | 1992-10-09 | 2004-06-21 | Asahi Glass Co Ltd | A liquid crystal display device and an illumination device for a direct viewing type display element |
JP2699853B2 (ja) * | 1993-12-28 | 1998-01-19 | 日本電気株式会社 | 表示装置 |
WO1997008582A1 (en) * | 1995-08-23 | 1997-03-06 | Philips Electronics N.V. | Illumination system for a flat-panel picture display device |
GB2306741A (en) * | 1995-10-24 | 1997-05-07 | Sharp Kk | Illuminator |
-
1996
- 1996-11-22 JP JP8312317A patent/JPH09218407A/ja active Pending
- 1996-12-04 DE DE69620718T patent/DE69620718T2/de not_active Expired - Fee Related
- 1996-12-04 US US08/763,631 patent/US6020944A/en not_active Expired - Fee Related
- 1996-12-04 EP EP96308788A patent/EP0778484B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0778484A3 (de) | 1998-04-29 |
DE69620718T2 (de) | 2002-09-26 |
JPH09218407A (ja) | 1997-08-19 |
EP0778484B1 (de) | 2002-04-17 |
EP0778484A2 (de) | 1997-06-11 |
US6020944A (en) | 2000-02-01 |
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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 |