DE69933258D1 - Ausgedehnte und transparente Beleuchtungseinrichtung - Google Patents

Ausgedehnte und transparente Beleuchtungseinrichtung

Info

Publication number
DE69933258D1
DE69933258D1 DE69933258T DE69933258T DE69933258D1 DE 69933258 D1 DE69933258 D1 DE 69933258D1 DE 69933258 T DE69933258 T DE 69933258T DE 69933258 T DE69933258 T DE 69933258T DE 69933258 D1 DE69933258 D1 DE 69933258D1
Authority
DE
Germany
Prior art keywords
extended
lighting device
transparent lighting
transparent
lighting
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
Application number
DE69933258T
Other languages
English (en)
Other versions
DE69933258T2 (de
Inventor
Motoji Egawa
Nobuhiro Sato
Shingo Suzuki
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.)
Minebea Co Ltd
Original Assignee
Minebea 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
Priority claimed from JP14393398A external-priority patent/JPH11339528A/ja
Priority claimed from JP14751198A external-priority patent/JPH11339526A/ja
Application filed by Minebea Co Ltd filed Critical Minebea Co Ltd
Application granted granted Critical
Publication of DE69933258D1 publication Critical patent/DE69933258D1/de
Publication of DE69933258T2 publication Critical patent/DE69933258T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • G02B6/0033—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
DE69933258T 1998-05-26 1999-05-26 Ausgedehnte und transparente Beleuchtungseinrichtung Expired - Fee Related DE69933258T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP14393398A JPH11339528A (ja) 1998-05-26 1998-05-26 透過型面状照明装置
JP14393398 1998-05-26
JP14751198 1998-05-28
JP14751198A JPH11339526A (ja) 1998-05-28 1998-05-28 透過型面状照明装置

Publications (2)

Publication Number Publication Date
DE69933258D1 true DE69933258D1 (de) 2006-11-02
DE69933258T2 DE69933258T2 (de) 2007-04-05

Family

ID=26475518

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933258T Expired - Fee Related DE69933258T2 (de) 1998-05-26 1999-05-26 Ausgedehnte und transparente Beleuchtungseinrichtung

Country Status (3)

Country Link
US (1) US6295104B1 (de)
EP (1) EP0961076B1 (de)
DE (1) DE69933258T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001060409A (ja) * 1999-08-23 2001-03-06 Minebea Co Ltd 面状照明装置
KR100679094B1 (ko) * 1999-10-08 2007-02-05 엘지.필립스 엘시디 주식회사 백라이트 유닛
WO2001051850A1 (en) 2000-01-14 2001-07-19 Koninklijke Philips Electronics N.V. Display device
DE10004972A1 (de) * 2000-02-04 2001-08-16 Bosch Gmbh Robert Anzeigevorrichtung
JP4197572B2 (ja) * 2000-05-12 2008-12-17 日東電工株式会社 反射型液晶表示装置
JP2001351423A (ja) * 2000-06-07 2001-12-21 Minebea Co Ltd 面状照明装置
KR100706752B1 (ko) * 2000-08-09 2007-04-11 삼성전자주식회사 반사형 액정표시장치
US6592233B1 (en) * 2000-10-03 2003-07-15 Nokia Mobile Phones Ltd. Lighting device for non-emissive displays
JP2002131552A (ja) * 2000-10-24 2002-05-09 Nitto Denko Corp 導光板、面光源装置及び反射型液晶表示装置
JP4074977B2 (ja) * 2001-02-02 2008-04-16 ミネベア株式会社 面状照明装置
JP4662402B2 (ja) * 2001-03-12 2011-03-30 日東電工株式会社 外光及び照明両モード用のフロントライト用の導光板、外光及び照明両モード用のフロントライト用の面光源装置並びに外光及び照明両モード用のフロントライト式の反射型液晶表示装置
JP2002298628A (ja) * 2001-03-30 2002-10-11 Minebea Co Ltd 面状照明装置
GB0114463D0 (en) * 2001-06-14 2001-08-08 Ledtech Ltd An illuminated display
US7030945B2 (en) * 2001-08-22 2006-04-18 Nitto Denko Corporation Liquid-crystal display device
US7253853B2 (en) * 2001-12-04 2007-08-07 Rohm Co., Ltd. Liquid crystal display and lighting unit having parabolic surface
JP2004296215A (ja) * 2003-03-26 2004-10-21 Toyota Industries Corp 面状光源用の透明基板、透明基板の製造方法、面状光源及び液晶表示装置
US6848822B2 (en) 2002-05-31 2005-02-01 3M Innovative Properties Company Light guide within recessed housing
WO2005001334A1 (ja) 2003-06-30 2005-01-06 Worldvision Co., Ltd. 導光板体、その製造方法および製造装置ならびにそれを利用した光源装置および液晶ディスプレイ
WO2005088358A1 (ja) * 2004-03-12 2005-09-22 Zeon Corporation 光拡散板及びその製造方法
WO2006003559A1 (en) * 2004-06-29 2006-01-12 Koninklijke Philips Electronics N.V. Illuminat system
TWI296343B (en) * 2004-07-16 2008-05-01 Hon Hai Prec Ind Co Ltd Light guide plate and backlight system
CN100412647C (zh) * 2004-07-31 2008-08-20 鸿富锦精密工业（深圳）有限公司 导光板和背光模块
TWI275874B (en) * 2004-08-06 2007-03-11 Hon Hai Prec Ind Co Ltd Light guiding device and backlight module using the same
KR101255000B1 (ko) * 2006-06-21 2013-04-16 삼성디스플레이 주식회사 일체형 광학판, 이를 갖는 백라이트 어셈블리 및액정표시장치
CA2688214A1 (en) * 2007-05-11 2008-11-20 Rpo Pty Limited A transmissive body
KR101877593B1 (ko) * 2011-02-25 2018-07-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 전방 조명식 반사형 디스플레이 장치
US20140140091A1 (en) 2012-11-20 2014-05-22 Sergiy Victorovich Vasylyev Waveguide illumination system
US9030627B1 (en) * 2012-09-05 2015-05-12 Amazon Technologies, Inc. Liquid crystal display with light guide
US20160195664A1 (en) * 2013-07-30 2016-07-07 Leia Inc. Multibeam diffraction grating-based backlighting
US9557466B2 (en) 2014-07-30 2017-01-31 Leia, Inc Multibeam diffraction grating-based color backlighting
WO2022104604A1 (zh) * 2020-11-18 2022-05-27 京东方科技集团股份有限公司 光源模组及其制备方法和显示模组

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0365982A (ja) 1989-08-03 1991-03-20 Pioneer Electron Corp 表示装置における表示板照明装置
KR970008351B1 (ko) * 1991-12-03 1997-05-23 샤프 가부시끼가이샤 액정 표시 장치
US5394255A (en) * 1992-01-27 1995-02-28 Sekisui Kagaku Kogyo Kabushiki Kaisha Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more
GB2306741A (en) * 1995-10-24 1997-05-07 Sharp Kk Illuminator
KR100262798B1 (ko) * 1996-02-02 2000-08-01 가나이 쓰도무 액정표시장치및배면조명부용도광판의제조방법
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
JP3231655B2 (ja) * 1997-03-28 2001-11-26 シャープ株式会社 前方照明装置およびこれを備えた反射型液晶表示装置
US6168281B1 (en) 1997-12-17 2001-01-02 Minebea Co., Ltd. Transparent and spread illuminating apparatus

Also Published As

Publication number Publication date
DE69933258T2 (de) 2007-04-05
EP0961076B1 (de) 2006-09-20
EP0961076A1 (de) 1999-12-01
US6295104B1 (en) 2001-09-25

Similar Documents

Publication Publication Date Title
DE69933258D1 (de) Ausgedehnte und transparente Beleuchtungseinrichtung
DE69905427D1 (de) Ausgedehnte Beleuchtungseinrichtung
DE69937544D1 (de) Led-modul und leuchte
ATA173097A (de) Leuchtvorrichtung
DE69803666D1 (de) Beleuchtungsvorrichtung
DE69735732D1 (de) Beleuchtungsvorrichtung und diese verwendende Anzeigevorrichtung
DE50102799D1 (de) Beleuchtungs- und anzeigevorrichtung
DE69932982D1 (de) Beleuchtungseinrichtung
DE69942359D1 (de) Beleuchtungsschirm in tandemanordnung
DE69802532D1 (de) Beleuchtungseinrichtung
DE69716153D1 (de) Beleuchtungsgerät
DE69726126D1 (de) Photokatalysator, lichtquelle und beleuchtungseinrichtung
DE60030541D1 (de) Leuchte und leuchttafeln
DE69922906D1 (de) Beleuchtungseinrichtung und Projektions-Anzeigegerät
DE69828484D1 (de) Entladungslampe und beleuchtungsvorrichtung
DE69830132D1 (de) Ausgedehnte und transparente Beleuchtungseinrichtung
DE69504741D1 (de) Beleuchtungsvorrichtung
DE60028172D1 (de) Beleuchtungsvorrichtung
DE60039645D1 (de) Beleuchtungseinrichtung
DE59507458D1 (de) Beleuchtungseinrichtung
DE69820016D1 (de) Beleuchtungsgerät
DE69923019D1 (de) Entladungslampe und Leuchte
DE69916694D1 (de) 2-Hydroxy-5-methyl-hexan-3-on und 3-hydroxy-5-methyl-hexan-2-on
DE69940718D1 (de) Beleuchtungsvorrichtung und Projektionsvorrichtung
DE69835079D1 (de) Lichtvorrichtungsaufbau

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee