DE69303073D1 - Flache Lichtquelleneinrichtung - Google Patents

Flache Lichtquelleneinrichtung

Info

Publication number
DE69303073D1
DE69303073D1 DE69303073T DE69303073T DE69303073D1 DE 69303073 D1 DE69303073 D1 DE 69303073D1 DE 69303073 T DE69303073 T DE 69303073T DE 69303073 T DE69303073 T DE 69303073T DE 69303073 D1 DE69303073 D1 DE 69303073D1
Authority
DE
Germany
Prior art keywords
light source
source device
flat light
flat
source
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
DE69303073T
Other languages
English (en)
Other versions
DE69303073T2 (de
Inventor
Yokoyama Kazuaki
Ishikawa Tsuyoshi
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.)
Enplas Corp
Original Assignee
Enplas 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
Priority claimed from JP1992022206U external-priority patent/JP2599363Y2/ja
Priority claimed from JP2220092U external-priority patent/JPH0575737U/ja
Priority claimed from JP2290592U external-priority patent/JPH0575739U/ja
Priority claimed from JP1992062766U external-priority patent/JP2586933Y2/ja
Priority claimed from JP1992070992U external-priority patent/JP2586936Y2/ja
Application filed by Enplas Corp filed Critical Enplas Corp
Publication of DE69303073D1 publication Critical patent/DE69303073D1/de
Application granted granted Critical
Publication of DE69303073T2 publication Critical patent/DE69303073T2/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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • 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
    • G09F2013/1809—Achieving homogeneous illumination using a non-homogeneous front window
    • G09F2013/1813—Achieving homogeneous illumination using a non-homogeneous front window provided with a coating showing a pattern of dots of variable density
    • 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
DE69303073T 1992-03-16 1993-03-15 Flache Lichtquelleneinrichtung Expired - Fee Related DE69303073T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1992022206U JP2599363Y2 (ja) 1992-03-16 1992-03-16 面光源装置
JP2220092U JPH0575737U (ja) 1992-03-16 1992-03-16 面光源装置
JP2290592U JPH0575739U (ja) 1992-03-18 1992-03-18 面光源装置
JP1992062766U JP2586933Y2 (ja) 1992-07-23 1992-07-23 面光源装置
JP1992070992U JP2586936Y2 (ja) 1992-08-31 1992-08-31 面光源装置

Publications (2)

Publication Number Publication Date
DE69303073D1 true DE69303073D1 (de) 1996-07-18
DE69303073T2 DE69303073T2 (de) 1996-10-10

Family

ID=27520424

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69303073T Expired - Fee Related DE69303073T2 (de) 1992-03-16 1993-03-15 Flache Lichtquelleneinrichtung

Country Status (3)

Country Link
US (1) US5450292A (de)
EP (1) EP0561329B1 (de)
DE (1) DE69303073T2 (de)

Families Citing this family (47)

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US5667289A (en) * 1989-05-18 1997-09-16 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5619351A (en) * 1992-07-13 1997-04-08 Seiko Epson Corporation Surface-type illumination device and liquid crystal display
TW324791B (en) * 1994-02-10 1998-01-11 Colcoat Kk Light conductive plate
DE4425246A1 (de) * 1994-07-16 1996-01-18 Schoeniger Karl Heinz Beleuchtete Anzeigetafel
US5772305A (en) * 1994-08-11 1998-06-30 Enplas Corporation Surface illuminant device
JP3178304B2 (ja) * 1994-11-11 2001-06-18 株式会社デンソー 指針装置
US5796450A (en) * 1994-12-16 1998-08-18 Canon Kabushiki Kaisha Illumination device and liquid crystal display apparatus including same
US6022455A (en) * 1995-02-07 2000-02-08 Matsushita Electric Industrial Co., Ltd. Light irradiation method and its apparatus
US5961198A (en) * 1996-02-02 1999-10-05 Hitachi, Ltd. Liquid crystal display device and method of manufacturing backlighting light guide panel therefor
AUPO260896A0 (en) 1996-09-26 1996-10-24 Eleven Lighting Pty Limited Display system with improved illumination
DE19702344A1 (de) * 1997-01-23 1998-07-30 Zumtobel Licht Beleuchtungsanordnung für Arbeitsplätze
US6334689B1 (en) 1997-01-30 2002-01-01 Hitachi, Ltd. Liquid crystal display
JPH11281979A (ja) 1998-03-26 1999-10-15 Enplas Corp サイドライト型面光源装置及び液晶表示装置
JP3052932B2 (ja) * 1998-06-08 2000-06-19 日本電気株式会社 表示装置ならびに表示面照明方法
DE19920917A1 (de) * 1999-05-06 2000-11-09 Mannesmann Vdo Ag Anzeige mit einer Beleuchtungseinheit
AUPQ398999A0 (en) * 1999-11-11 1999-12-02 Aristocrat Leisure Industries Pty Ltd Light chamber for belly door for gaming machine
AUPQ399199A0 (en) * 1999-11-11 1999-12-02 Aristocrat Leisure Industries Pty Ltd Diffuser panel particularly for use in belly door of gaming machine
UA74186C2 (uk) * 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Освітлювальний пристрій з підсвічуванням крізь ребро
GB0031611D0 (en) 2000-12-21 2001-02-07 Ineos Acrylics Uk Ltd Edge lit illumination devices
KR20030039602A (ko) * 2001-11-13 2003-05-22 삼성전자주식회사 액정표시장치
JP4045097B2 (ja) * 2001-12-28 2008-02-13 シャープ株式会社 バックライト装置及びこれを用いた液晶表示装置
FR2838179B1 (fr) * 2002-04-05 2004-12-24 Phlox Appareil de retroeclairage
KR20040012393A (ko) * 2002-08-03 2004-02-11 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정 표시 장치
US6736534B1 (en) 2002-09-23 2004-05-18 Robin L. Fite Entry door with illuminated glass insert
JP4151834B2 (ja) * 2002-09-25 2008-09-17 シャープ株式会社 バックライトユニットおよび液晶表示装置
WO2004031647A1 (ja) * 2002-09-30 2004-04-15 Sharp Kabushiki Kaisha バックライトユニット及びバックライトユニットを用いた液晶表示装置
CN100357807C (zh) * 2002-10-24 2007-12-26 鸿富锦精密工业（深圳）有限公司 背光系统用的导光板
TW594244B (en) * 2003-02-27 2004-06-21 Quanta Display Inc Back light module
US20050269924A1 (en) * 2004-06-03 2005-12-08 Ko-Chia Kao Backlight for liquid crystal display
KR20060024527A (ko) * 2004-09-14 2006-03-17 삼성전자주식회사 광학 유닛, 이에 채용된 광 재생 부재의 제조 방법 및이를 갖는 표시장치
CN100529874C (zh) * 2004-12-17 2009-08-19 鸿富锦精密工业（深圳）有限公司 导光板
CN100376966C (zh) * 2004-12-29 2008-03-26 鸿富锦精密工业（深圳）有限公司 导光板
JP4372117B2 (ja) * 2005-06-30 2009-11-25 富士通テン株式会社 受信装置
CN100483208C (zh) * 2005-07-06 2009-04-29 鸿富锦精密工业（深圳）有限公司 导光板和采用该导光板的背光模组
JP2007083858A (ja) * 2005-09-21 2007-04-05 Fujitsu Ten Ltd 車載用表示装置
US20070063943A1 (en) * 2005-09-21 2007-03-22 Fujitsu Ten Limited Display apparatus
JP2007086381A (ja) * 2005-09-21 2007-04-05 Fujitsu Ten Ltd 液晶表示装置
JP2007086379A (ja) * 2005-09-21 2007-04-05 Fujitsu Ten Ltd 車載用液晶表示装置
JP2007145158A (ja) * 2005-11-28 2007-06-14 Fujitsu Ten Ltd 車載用表示装置及びその表示制御方法
US7367707B2 (en) * 2005-12-16 2008-05-06 Chunghwa Picture Tubes, Ltd. Backlight module
JP2007283873A (ja) * 2006-04-14 2007-11-01 Fujitsu Ten Ltd 表示装置および車載用表示装置
CA2658928A1 (en) * 2006-07-24 2008-01-31 Chun Jiang Luo Decorative door for cooler
CN101779148B (zh) 2007-06-14 2014-06-25 艾利丹尼森公司 受照图形和信息显示器
CN101504125B (zh) * 2008-02-04 2012-05-30 北京京东方光电科技有限公司 背光源
ITTO20080680A1 (it) * 2008-09-17 2010-03-18 Fausto Barbisan Porta retroilluminata
ITMI20092074A1 (it) * 2009-11-25 2011-05-26 Cross Point S R L Dispositivo di illuminazione conformato a pannello a spessore ridotto ed elevata uniformita' di emissione superficiale
CN105911746B (zh) * 2016-06-29 2017-10-13 京东方科技集团股份有限公司 显示装置及其视角切换方法

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US4059916A (en) * 1975-01-30 1977-11-29 Copal Company Limited Light diffusing device
US4842378A (en) * 1987-04-07 1989-06-27 Alphasil, Inc. Method of illuminating flat panel displays to provide CRT appearing displays
FR2620795B1 (fr) * 1987-09-18 1992-02-28 Courageux Claude Diffuseur de lumiere
JPS63309918A (ja) * 1988-04-25 1988-12-19 Tatsuji Mizobe バックライト装置
JPH0252314A (ja) * 1988-08-15 1990-02-21 Tama Electric Co Ltd 背面照光装置
US4974122A (en) * 1989-03-28 1990-11-27 Rockwell International Corporation Compact LCD luminaire
JP2538667B2 (ja) * 1989-04-13 1996-09-25 富士通株式会社 バックライト
US5130898A (en) * 1989-05-18 1992-07-14 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
JP3077907B2 (ja) * 1989-06-07 2000-08-21 三菱化学株式会社 バックライト装置
JPH03111819A (ja) * 1989-09-26 1991-05-13 Ohtsu Tire & Rubber Co Ltd :The 導光板装置
JPH03190004A (ja) * 1989-12-20 1991-08-20 Shin Etsu Polymer Co Ltd 面状光源装置
JP3204999B2 (ja) * 1990-06-26 2001-09-04 株式会社スタンレー滋賀製作所 エッジライトパネル

Also Published As

Publication number Publication date
EP0561329B1 (de) 1996-06-12
EP0561329A1 (de) 1993-09-22
US5450292A (en) 1995-09-12
DE69303073T2 (de) 1996-10-10

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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