DE69307779T2 - Hinterbeleuchtungsvorrichtung - Google Patents

Hinterbeleuchtungsvorrichtung

Info

Publication number
DE69307779T2
DE69307779T2 DE69307779T DE69307779T DE69307779T2 DE 69307779 T2 DE69307779 T2 DE 69307779T2 DE 69307779 T DE69307779 T DE 69307779T DE 69307779 T DE69307779 T DE 69307779T DE 69307779 T2 DE69307779 T2 DE 69307779T2
Authority
DE
Germany
Prior art keywords
backlighting device
backlighting
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
DE69307779T
Other languages
English (en)
Other versions
DE69307779D1 (de
Inventor
Keiji Kashima
Naoki Yoshida
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.)
Tosoh Corp
Original Assignee
Tosoh Corp
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 Tosoh Corp filed Critical Tosoh Corp
Application granted granted Critical
Publication of DE69307779D1 publication Critical patent/DE69307779D1/de
Publication of DE69307779T2 publication Critical patent/DE69307779T2/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
    • G02B6/0013—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
    • G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • 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
    • 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
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1831—Achieving homogeneous illumination using more than one light source
DE69307779T 1992-06-04 1993-06-03 Hinterbeleuchtungsvorrichtung Expired - Fee Related DE69307779T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4168338A JP2980776B2 (ja) 1992-06-04 1992-06-04 バックライト

Publications (2)

Publication Number Publication Date
DE69307779D1 DE69307779D1 (de) 1997-03-13
DE69307779T2 true DE69307779T2 (de) 1997-08-07

Family

ID=15866211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307779T Expired - Fee Related DE69307779T2 (de) 1992-06-04 1993-06-03 Hinterbeleuchtungsvorrichtung

Country Status (4)

Country Link
US (2) US5392199A (de)
EP (1) EP0573051B1 (de)
JP (1) JP2980776B2 (de)
DE (1) DE69307779T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014000264U1 (de) * 2014-01-10 2015-04-13 Novomatic Ag Leuchtvorrichtung

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JP2980776B2 (ja) * 1992-06-04 1999-11-22 東ソー株式会社 バックライト
TW454922U (en) * 1994-03-23 2001-09-11 Tosoh Corp Rear side irradiation light
DE69426978T2 (de) * 1994-04-22 2001-09-27 Enplas Corp Oberflächenlichtquellen-vorrichtung
JP2841030B2 (ja) * 1994-07-25 1998-12-24 株式会社村上開明堂 原稿表示装置
JP3234967B2 (ja) * 1995-03-31 2001-12-04 株式会社エンプラス 面光源装置
US6712481B2 (en) 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US5613751A (en) 1995-06-27 1997-03-25 Lumitex, Inc. Light emitting panel assemblies
US5947578A (en) * 1995-10-24 1999-09-07 Nu-Tech & Engineering, Inc. Back lighting device
JP2945318B2 (ja) * 1996-01-17 1999-09-06 スタンレー電気株式会社 面光源装置
CA2216945C (en) * 1996-02-20 2001-09-11 Thomas Leibe Lighting device
JP3322579B2 (ja) * 1996-10-17 2002-09-09 株式会社エンプラス サイドライト型面光源装置
US6024463A (en) * 1996-11-12 2000-02-15 Enplas Corporation Surface light source device of side light type with belt-like diffusible area
US5913594A (en) * 1997-02-25 1999-06-22 Iimura; Keiji Flat panel light source device and passive display device utilizing the light source device
KR100249679B1 (ko) * 1997-04-10 2000-03-15 구본준 액정표시장치의 백라이트유니트
US5883684A (en) * 1997-06-19 1999-03-16 Three-Five Systems, Inc. Diffusively reflecting shield optically, coupled to backlit lightguide, containing LED's completely surrounded by the shield
JP3415394B2 (ja) * 1997-07-08 2003-06-09 シャープ株式会社 バックライト装置
GB9720907D0 (en) * 1997-10-03 1997-12-03 Menvier Electronic Eng Ltd Illuminated signs
IT1307920B1 (it) 1999-01-22 2001-11-29 Atochem Elf Sa Compositi diffondenti la luce.
ES2164586B1 (es) * 2000-02-23 2003-05-16 Juan Roura Y Cia S A Soporte para motivos publicitarios y similares.
GB0026418D0 (en) * 2000-10-28 2000-12-13 Randak Design Consultants Ltd Image display system
PL343963A1 (en) * 2000-11-16 2002-05-20 Grzegorz Drozdowski Edge-illuminated optical device
KR100413486B1 (ko) * 2001-07-10 2003-12-31 엘지.필립스 엘시디 주식회사 액정표시장치(ｌｃｄ)의 백라이트 어셈블리
DE10156068A1 (de) * 2001-11-16 2003-05-28 Roehm Gmbh Lichtleitkörper sowie Verfahren zu dessen Herstellung
JP4216577B2 (ja) * 2002-12-20 2009-01-28 シチズン電子株式会社 導光板
US7104671B2 (en) * 2004-05-28 2006-09-12 K-Bridge Electronics Co., Ltd. Lamp replacement
WO2006057347A1 (ja) * 2004-11-26 2006-06-01 Asahi Kasei Chemicals Corporation 発光体及び発光システム
US20060150966A1 (en) * 2005-01-12 2006-07-13 Jamieson Donald R Fireplace assemblies with antireflective screens
JP2006351387A (ja) * 2005-06-16 2006-12-28 Matsushita Electric Ind Co Ltd 面光源装置及び液晶表示装置
KR101212136B1 (ko) * 2005-06-29 2012-12-14 엘지디스플레이 주식회사 프리즘 시트와 이를 이용한 백 라이트 유닛
KR101321268B1 (ko) * 2005-12-27 2013-10-25 엘지디스플레이 주식회사 액정표시소자의 백라이트 유닛
TWI332596B (en) * 2006-12-22 2010-11-01 Au Optronics Corp Lamp reflector for use in a backlight module, and method for making same
AU2007354904B2 (en) 2007-06-14 2014-06-26 Avery Dennison Corporation Illuminated graphical and information display
US7672549B2 (en) * 2007-09-10 2010-03-02 Banyan Energy, Inc. Solar energy concentrator
US8412010B2 (en) 2007-09-10 2013-04-02 Banyan Energy, Inc. Compact optics for concentration and illumination systems
WO2009035986A2 (en) * 2007-09-10 2009-03-19 Banyan Energy, Inc Compact optics for concentration, aggregation and illumination of light energy
KR101291798B1 (ko) * 2008-06-10 2013-07-31 엘지디스플레이 주식회사 액정표시모듈 및 그 조립방법
US20100008070A1 (en) * 2008-07-10 2010-01-14 Wai Hon Lee Back light module with diffractive couplers
KR101338996B1 (ko) * 2008-12-26 2013-12-09 엘지디스플레이 주식회사 액정표시장치
US8206013B2 (en) * 2010-04-07 2012-06-26 San Ho Enterprise Co., Ltd. Light-guiding module
KR20130130707A (ko) 2010-10-28 2013-12-02 반얀 에너지, 인크 집광 및 조명 시스템을 위한 방향전환 광소자
JP5663434B2 (ja) * 2011-08-15 2015-02-04 株式会社ジャパンディスプレイ 表示装置
US20140098521A1 (en) * 2012-10-10 2014-04-10 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight Module and LCD Device

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FR1246347A (fr) * 1959-10-09 1960-11-18 Plaque indicatrice lumineuse
US4043636A (en) * 1974-12-23 1977-08-23 Intel Corporation Illumination-panel for liquid crystal display of similar device
JP3077907B2 (ja) * 1989-06-07 2000-08-21 三菱化学株式会社 バックライト装置
US5093765A (en) * 1990-02-16 1992-03-03 Tosoh Corporation Back lighting device for a panel
JPH03256090A (ja) * 1990-03-06 1991-11-14 Meitaku Syst:Kk エッジライトパネルの輝度向上手段
JP2513348B2 (ja) * 1990-07-18 1996-07-03 三菱電機株式会社 照明装置
JPH04107507A (ja) * 1990-08-29 1992-04-09 Hirashiro Yukiko 平面光源装置
US5050946A (en) * 1990-09-27 1991-09-24 Compaq Computer Corporation Faceted light pipe
JP2980776B2 (ja) * 1992-06-04 1999-11-22 東ソー株式会社 バックライト
JP3069184U (ja) * 1999-11-24 2000-06-06 株式会社金城興業 建機合体型破砕装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014000264U1 (de) * 2014-01-10 2015-04-13 Novomatic Ag Leuchtvorrichtung
US9939574B2 (en) 2014-01-10 2018-04-10 Novomatic Ag Lighting system
US10338301B2 (en) 2014-01-10 2019-07-02 Novomatic Ag Lighting system

Also Published As

Publication number Publication date
US5647655A (en) 1997-07-15
US5392199A (en) 1995-02-21
EP0573051B1 (de) 1997-01-29
EP0573051A1 (de) 1993-12-08
JP2980776B2 (ja) 1999-11-22
JPH05341134A (ja) 1993-12-24
DE69307779D1 (de) 1997-03-13

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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