DE69122635D1 - Hinterbeleuchtungsvorrichtung für eine Anzeigetafel - Google Patents

Hinterbeleuchtungsvorrichtung für eine Anzeigetafel

Info

Publication number
DE69122635D1
DE69122635D1 DE69122635T DE69122635T DE69122635D1 DE 69122635 D1 DE69122635 D1 DE 69122635D1 DE 69122635 T DE69122635 T DE 69122635T DE 69122635 T DE69122635 T DE 69122635T DE 69122635 D1 DE69122635 D1 DE 69122635D1
Authority
DE
Germany
Prior art keywords
display panel
backlighting device
backlighting
panel
display
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
DE69122635T
Other languages
English (en)
Other versions
DE69122635T2 (de
Inventor
Keiji Kashima
Naoki Yoshida
Osamu Shoji
Eiichi Yanagi
Takumi Fukunishi
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.)
Toshiba Corp
Tosoh Corp
Original Assignee
Toshiba Corp
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
Priority claimed from JP2033813A external-priority patent/JP2776603B2/ja
Priority claimed from JP2172809A external-priority patent/JP2794909B2/ja
Application filed by Toshiba Corp, Tosoh Corp filed Critical Toshiba Corp
Publication of DE69122635D1 publication Critical patent/DE69122635D1/de
Application granted granted Critical
Publication of DE69122635T2 publication Critical patent/DE69122635T2/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
    • G02B6/005—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
    • G02B6/0051—Diffusing sheet or layer
DE69122635T 1990-02-16 1991-02-15 Hinterbeleuchtungsvorrichtung für eine Anzeigetafel Expired - Lifetime DE69122635T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2033813A JP2776603B2 (ja) 1990-02-16 1990-02-16 パネル用バックライト
JP2172809A JP2794909B2 (ja) 1990-07-02 1990-07-02 パネル用バックライト

Publications (2)

Publication Number Publication Date
DE69122635D1 true DE69122635D1 (de) 1996-11-21
DE69122635T2 DE69122635T2 (de) 1997-03-06

Family

ID=26372590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122635T Expired - Lifetime DE69122635T2 (de) 1990-02-16 1991-02-15 Hinterbeleuchtungsvorrichtung für eine Anzeigetafel

Country Status (3)

Country Link
US (1) US5093765A (de)
EP (1) EP0442529B1 (de)
DE (1) DE69122635T2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667289A (en) * 1989-05-18 1997-09-16 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5641219A (en) * 1990-06-22 1997-06-24 Mizobe; Tatsuji Uniform illumination light emitting device
WO1992004648A1 (en) * 1990-09-12 1992-03-19 Mitsubishi Rayon Co., Ltd. Element of plane source of light
DE69207934T2 (de) * 1991-03-29 1996-09-05 Nissha Printing Flächenartige Lichtquelle
US5442523A (en) * 1991-08-22 1995-08-15 Tosoh Corporation Backlighting device
KR0152279B1 (ko) * 1991-11-30 1998-10-15 히로가즈 마츠이 에지라이트 패널 및 그 생산방법
US5349503A (en) * 1991-12-31 1994-09-20 At&T Bell Laboratories Illuminated transparent display with microtextured back reflector
JP2980776B2 (ja) * 1992-06-04 1999-11-22 東ソー株式会社 バックライト
EP0798507B1 (de) * 1992-07-13 2004-03-03 Seiko Epson Corporation Flächenhafte Beleuchtungsvorrichtung und Flüssigkristallanzeige
US5386347A (en) * 1992-10-02 1995-01-31 Photo Craft Co., Ltd. Illuminating apparatus and a method of manufacturing an edge light conductor for use therein
JP2630714B2 (ja) * 1992-10-08 1997-07-16 茶谷産業株式会社 面照明装置
US5359691A (en) * 1992-10-08 1994-10-25 Briteview Technologies Backlighting system with a multi-reflection light injection system and using microprisms
US5400224A (en) * 1993-01-08 1995-03-21 Precision Lamp, Inc. Lighting panel
US5359155A (en) * 1993-03-25 1994-10-25 Tiger Scientific Corp. Illumination apparatus for a digitizer tablet
US5988826A (en) * 1993-03-25 1999-11-23 Enplas Corporation Surface light source device
CA2099067C (en) * 1993-06-23 2001-02-13 Makoto Oe Plane light source unit
US5863113A (en) * 1993-06-22 1999-01-26 Mitsubishi Rayon Co., Ltd. Plane light source unit
CA2173336C (en) * 1993-10-05 2005-08-16 Philip L. Gleckman Light source for backlighting
US5440197A (en) * 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
WO1995012827A1 (fr) * 1993-11-05 1995-05-11 Enplas Corporation Dispositif a source lumineuse en surface
JPH07169311A (ja) * 1993-12-17 1995-07-04 Enplas Corp 光散乱導光光源装置及び液晶表示装置
US5485291A (en) * 1994-02-22 1996-01-16 Precision Lamp, Inc. Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source
TW454922U (en) * 1994-03-23 2001-09-11 Tosoh Corp Rear side irradiation light
DE4425246A1 (de) * 1994-07-16 1996-01-18 Schoeniger Karl Heinz Beleuchtete Anzeigetafel
AU4409496A (en) * 1994-11-29 1996-06-19 Precision Lamp, Inc. Edge light for panel display
JP3429387B2 (ja) * 1995-03-31 2003-07-22 株式会社エンプラス サイドライト型面光源装置
US6712481B2 (en) 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US7108414B2 (en) 1995-06-27 2006-09-19 Solid State Opto Limited Light emitting panel assemblies
US5613751A (en) * 1995-06-27 1997-03-25 Lumitex, Inc. Light emitting panel assemblies
US5975711A (en) * 1995-06-27 1999-11-02 Lumitex, Inc. Integrated display panel assemblies
US5895115A (en) * 1996-01-16 1999-04-20 Lumitex, Inc. Light emitting panel assemblies for use in automotive applications and the like
ATE248321T1 (de) * 1996-12-04 2003-09-15 Siteco Beleuchtungstech Gmbh Innenraumleuchte
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
US6827456B2 (en) 1999-02-23 2004-12-07 Solid State Opto Limited Transreflectors, transreflector systems and displays and methods of making transreflectors
US7364341B2 (en) * 1999-02-23 2008-04-29 Solid State Opto Limited Light redirecting films including non-interlockable optical elements
US6752505B2 (en) 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
UA74186C2 (uk) * 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Освітлювальний пристрій з підсвічуванням крізь ребро
US20040190102A1 (en) * 2000-08-18 2004-09-30 Mullen Patrick W. Differentially-cured materials and process for forming same
KR100798172B1 (ko) 2000-08-18 2008-01-24 리플렉사이트 코포레이션 차별적으로 경화된 물질 및 이를 형성하기 위한 공정
US7230764B2 (en) * 2000-08-18 2007-06-12 Reflexite Corporation Differentially-cured materials and process for forming same
CA2523493A1 (en) * 2003-05-02 2004-11-18 Reflexite Corporation Light-redirecting optical structures
KR100567249B1 (ko) * 2003-09-06 2006-04-03 현대모비스 주식회사 액정표시 백라이트용 도광판과 이 도광판이 채택된 차량용오디오의 액정표시모듈
WO2005096045A2 (en) * 2004-03-23 2005-10-13 E.I. Dupont De Nemours And Company Light guide and apparatus for using light guide
JP4590977B2 (ja) * 2004-08-18 2010-12-01 ソニー株式会社 バックライト装置及び透過型液晶表示装置
TWI405349B (zh) 2004-10-07 2013-08-11 Seoul Semiconductor Co Ltd 側照明透鏡以及使用此透鏡的發光元件
JP4172455B2 (ja) * 2004-10-08 2008-10-29 ソニー株式会社 バックライト用光源ユニット、液晶表示用バックライト装置及び透過型カラー液晶表示装置
US7367705B2 (en) 2004-11-04 2008-05-06 Solid State Opto Limited Long curved wedges in an optical film
JP4670315B2 (ja) * 2004-11-09 2011-04-13 ソニー株式会社 バックライト装置及び表示装置
US20060242867A1 (en) * 2005-04-29 2006-11-02 Choi Jong W Advertising apparatus using half-mirror
TW200700834A (en) * 2005-06-24 2007-01-01 Innolux Display Corp Light guiding plate and backlight module using the same
JP4245014B2 (ja) 2006-08-09 2009-03-25 ソニー株式会社 バックライト装置、光源装置、レンズ、電子機器及び導光板
US7493010B1 (en) 2008-03-20 2009-02-17 Emerging Display Technologies Co., Ltd. Stepped light guide
US8462292B2 (en) * 2008-07-31 2013-06-11 Rambus Delaware Llc Optically transmissive substrates and light emitting assemblies and methods of making same, and methods of displaying images using the optically transmissive substrates and light emitting assemblies

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2347665A (en) * 1941-03-04 1944-05-02 Christensen Geneva Bandy Internal reflection lighting means
JPS587604A (ja) * 1981-07-07 1983-01-17 Mitsubishi Electric Corp 光フアイバ照光装置
JPS6229003A (ja) * 1985-07-30 1987-02-07 株式会社トキメック 背面反射式光拡散装置
GB2196100B (en) * 1986-10-01 1990-07-04 Mitsubishi Rayon Co Light diffusing device
JPS63309918A (ja) * 1988-04-25 1988-12-19 Tatsuji Mizobe バックライト装置
JPH0670882B2 (ja) * 1988-08-23 1994-09-07 株式会社明拓システム 単板使用エッジライトパネル

Also Published As

Publication number Publication date
EP0442529A2 (de) 1991-08-21
US5093765A (en) 1992-03-03
EP0442529B1 (de) 1996-10-16
EP0442529A3 (en) 1992-05-06
DE69122635T2 (de) 1997-03-06

Similar Documents

Publication Publication Date Title
DE69122635D1 (de) Hinterbeleuchtungsvorrichtung für eine Anzeigetafel
DE69122829D1 (de) Helligkeitsregelung für eine flache Anzeigeeinrichtung
DE69123533D1 (de) Steuerschaltung für eine Flüssigkristallanzeige
DE69313894T2 (de) Rückbeleuchtung für eine Flüssigkristallanzeige
DE69230608D1 (de) Herstellungsverfahren für eine Flüssigkristallanzeigevorrichtung
DE69132975T2 (de) Flüssigkristall-Anzeigevorrichtung
DE69621967T2 (de) Beleuchtungseinrichtung für eine Flüssigkristallanzeigevorrichtung
DE69223610D1 (de) Abgestuftes flüssigkristallanzeigetafel
DE69106610D1 (de) Treiberschaltungsanordnung für eine Flüssigkristallanzeigevorrichtung.
DE69308998T2 (de) Steuerungsschaltung für eine Anzeigevorrichtung
DE69007150D1 (de) Flüssigkristall-Anzeigepaneel.
DE69105431T2 (de) Schutzschaltung für eine Flüssigkristallanzeigetreibeschaltung.
DE69217612D1 (de) Anzeigesteuergerät für eine Flüssigkristallanzeigetafel
DE69511813T2 (de) Dünnpaneelanzeigevorrichtung
DE69104601D1 (de) Treiberschaltung für eine Flüssigkristallanzeige.
DE69111653T2 (de) Steuereinrichtung für eine Flüssigkristallanzeige.
DE9306982U1 (de) Anzeigegerät für Briefsendungen
DE69129553D1 (de) Steuerverfahren für eine Flüssigkristallanzeigetafel
DE9316607U1 (de) Anzeigevorrichtung für Tastaturen
DE69403114T2 (de) Anzeigevorrichtung für mehrfache Anzeigen
KR930003220U (ko) 액정표시패널의 조립장치
DE69120433D1 (de) Steuerverfahren für eine Flüssigkristallanzeigetafel
DE69125279T2 (de) Rahmenstruktur für eine Anzeigevorrichtung
DE69015316D1 (de) Treiberschaltung für eine Flüssigkristallanzeigetafel.
DE9316393U1 (de) Trageeinrichtung für eine Glasplatte

Legal Events

Date Code Title Description
8364 No opposition during term of opposition