DE60310350D1 - Beleuchtungsvorrichtung, Lichtleiterplatte und Flüssigkristall-Anzeigevorrichtung - Google Patents

Beleuchtungsvorrichtung, Lichtleiterplatte und Flüssigkristall-Anzeigevorrichtung

Info

Publication number
DE60310350D1
DE60310350D1 DE60310350T DE60310350T DE60310350D1 DE 60310350 D1 DE60310350 D1 DE 60310350D1 DE 60310350 T DE60310350 T DE 60310350T DE 60310350 T DE60310350 T DE 60310350T DE 60310350 D1 DE60310350 D1 DE 60310350D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
light guide
guide plate
display device
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
Application number
DE60310350T
Other languages
English (en)
Other versions
DE60310350T2 (de
Inventor
Mitsuru Kano
Mitsuo Ohizumi
Tatsumaro Yamashita
Hiroyuki Miyata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of DE60310350D1 publication Critical patent/DE60310350D1/de
Application granted granted Critical
Publication of DE60310350T2 publication Critical patent/DE60310350T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • G02F1/133616—Front illuminating devices

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)
DE60310350T 2002-11-28 2003-11-15 Beleuchtungsvorrichtung, Lichtleiterplatte und Flüssigkristall-Anzeigevorrichtung Expired - Lifetime DE60310350T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002345973 2002-11-28
JP2002345973A JP4198975B2 (ja) 2002-11-28 2002-11-28 照明装置、導光体、及び液晶表示装置

Publications (2)

Publication Number Publication Date
DE60310350D1 true DE60310350D1 (de) 2007-01-25
DE60310350T2 DE60310350T2 (de) 2007-03-29

Family

ID=32290473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60310350T Expired - Lifetime DE60310350T2 (de) 2002-11-28 2003-11-15 Beleuchtungsvorrichtung, Lichtleiterplatte und Flüssigkristall-Anzeigevorrichtung

Country Status (6)

Country Link
US (1) US7275853B2 (de)
EP (1) EP1424576B1 (de)
JP (1) JP4198975B2 (de)
KR (1) KR100578772B1 (de)
CN (1) CN1285004C (de)
DE (1) DE60310350T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040228148A1 (en) * 2003-05-12 2004-11-18 Alps Electric Co., Ltd. Light guiding plate, illumination device, and liquid crystal display device
JP2006156332A (ja) * 2004-10-28 2006-06-15 Alps Electric Co Ltd 導光板並びにそれを用いた面発光装置及び液晶表示装置
JP4814221B2 (ja) 2005-03-29 2011-11-16 富士フイルム株式会社 導光部材及びそれを用いた面状照明装置、並びに棒状照明装置
US7760403B2 (en) * 2005-06-14 2010-07-20 Ricoh Co., Ltd. Optical irradiation apparatus, image reading apparatus using the same, and image forming apparatus using the same
KR100806709B1 (ko) * 2006-12-05 2008-02-27 주식회사 나모텍 프론트라이트 유닛을 갖는 액정표시장치
KR200445445Y1 (ko) * 2007-06-22 2009-07-30 팀윈 옵토 일렉트로닉스 컴퍼니 리미티드 다기능 ｌｅｄ 조명등
CN101688658B (zh) 2007-07-27 2012-02-01 夏普株式会社 照明装置和显示装置
CN101680636B (zh) 2007-07-27 2011-12-07 夏普株式会社 照明装置和液晶显示装置
US8520164B2 (en) 2007-07-27 2013-08-27 Sharp Kabushiki Kaisha Illumination device, display device, and light guide plate
CN101655635B (zh) * 2008-08-19 2011-06-01 北京京东方光电科技有限公司 导光装置
JP5483153B2 (ja) * 2009-03-16 2014-05-07 株式会社リコー 光照射装置、画像読取装置、および、画像形成装置
US8581832B2 (en) 2011-08-22 2013-11-12 Lsi Corporation Illumination device having user-controllable light sequencing circuitry configured to select a light sequencing mode
EP2815271A4 (de) 2012-02-17 2015-09-30 3M Innovative Properties Co Anamorpher lichtleiter
JP6151722B2 (ja) 2012-02-17 2017-06-21 スリーエム イノベイティブ プロパティズ カンパニー バックライトシステム
US9036964B2 (en) 2012-02-17 2015-05-19 3M Innovative Properties Company Optical light guide coupler
TWI507783B (zh) 2012-09-12 2015-11-11 E Ink Holdings Inc 顯示裝置
JP6050712B2 (ja) * 2013-03-27 2016-12-21 株式会社ジャパンディスプレイ 反射型液晶表示装置及び電子機器
CN103912824B (zh) * 2013-11-15 2016-06-15 厦门天马微电子有限公司 一种背光源、显示设备
JP6521252B2 (ja) * 2015-12-24 2019-05-29 アルプスアルパイン株式会社 ライトガイドおよび照光表示装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5899552A (en) * 1993-11-11 1999-05-04 Enplas Corporation Surface light source device
JP3869914B2 (ja) * 1997-09-30 2007-01-17 アルプス電気株式会社 照光ユニット及びそれを使用した液晶表示装置
JP4111363B2 (ja) * 1998-12-10 2008-07-02 株式会社エンプラス 導光板、サイドライト型面光源装置及び液晶表示装置
US6474824B1 (en) * 1998-12-28 2002-11-05 Seiko Epson Corporation Surface-emitting device, front light, and liquid crystal device
KR100394351B1 (ko) * 1999-08-10 2003-08-09 최경희 도광판 제조방법 및 이를 이용한 백라이트 장치
KR20010051391A (ko) * 1999-11-02 2001-06-25 가마이 고로 도광판, 면광원 장치 및 액정 표시 장치
JP2003533724A (ja) * 2000-05-15 2003-11-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 画像表示装置
US6565225B2 (en) * 2000-07-19 2003-05-20 Sanyo Electric Co., Ltd. Bar-shaped light guide, beam lighting device using the bar-shaped light guide, and surface lighting device using the beam lighting device
JP4162900B2 (ja) * 2002-02-05 2008-10-08 アルプス電気株式会社 照明装置及び液晶表示装置
JP3952168B2 (ja) * 2002-06-11 2007-08-01 富士通株式会社 電子機器、液晶表示装置および導光板
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

Also Published As

Publication number Publication date
EP1424576A1 (de) 2004-06-02
JP4198975B2 (ja) 2008-12-17
CN1285004C (zh) 2006-11-15
EP1424576B1 (de) 2006-12-13
CN1504806A (zh) 2004-06-16
US20040165370A1 (en) 2004-08-26
US7275853B2 (en) 2007-10-02
KR20040047579A (ko) 2004-06-05
KR100578772B1 (ko) 2006-05-12
DE60310350T2 (de) 2007-03-29
JP2004179062A (ja) 2004-06-24

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Legal Events

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