DE69112481D1 - Lichtquelle. - Google Patents

Lichtquelle.

Info

Publication number: DE69112481D1
Authority: DE; Germany
Prior art keywords: light source; source; light
Prior art date: 1990-04-24
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

DE69112481T

Other languages

English (en)

Other versions

DE69112481T2 (de

Inventor

Nobuyuki Takahashi

Hisashi Oyama

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.)

Sharp Corp

Original Assignee

Sharp 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.)

1990-04-24

Filing date

1991-04-24

Publication date

1995-10-05

1991-04-24 Application filed by Sharp Corp filed Critical Sharp Corp

1995-10-05 Publication of DE69112481D1 publication Critical patent/DE69112481D1/de

1996-03-28 Application granted granted Critical

1996-03-28 Publication of DE69112481T2 publication Critical patent/DE69112481T2/de

2011-04-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- 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
- 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
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
- 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
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors

DE69112481T 1990-04-24 1991-04-24 Lichtquelle. Expired - Lifetime DE69112481T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2109835A JP2693849B2 (ja)	1990-04-24	1990-04-24	平面光源装置

Publications (2)

Publication Number	Publication Date
DE69112481D1 true DE69112481D1 (de)	1995-10-05
DE69112481T2 DE69112481T2 (de)	1996-03-28

Family

ID=14520413

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69112481T Expired - Lifetime DE69112481T2 (de)	1990-04-24	1991-04-24	Lichtquelle.

Country Status (5)

Country	Link
US (1)	US5195822A (de)
EP (1)	EP0454435B1 (de)
JP (1)	JP2693849B2 (de)
KR (1)	KR940006987B1 (de)
DE (1)	DE69112481T2 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2797804B2 (ja) *	1992-01-09	1998-09-17	日本電気株式会社	バックライト及び液晶表示装置
WO1994000794A1 (en) *	1992-06-25	1994-01-06	Allied-Signal Inc.	Transmissive display having a controlled spectral output
US5422751A (en) *	1992-10-14	1995-06-06	Apple Computer, Inc.	Liquid crystal display assembly employing front bezel, frame holding liquid crystal cell attached to bezel, and light source and back plate attached to bezel
EP0679245B1 (de) *	1992-12-30	1999-04-07	Universal Instrument Corporation	Autonome multifunktionelle flüssigkristallanzeige
US5440324A (en) *	1992-12-30	1995-08-08	Avionic Displays Corporation	Backlighting for liquid crystal display
CA2126172C (en) *	1993-06-25	1998-04-28	Minoru Yamamoto	Luminaire_with interference reduction
JP2848772B2 (ja) *	1993-11-12	1999-01-20	スタンレー電気株式会社	面光源装置
DE69718237T2 (de) *	1996-05-29	2003-06-05	Calsonic Kansei Corp	Flexible Rohreinheit zur Verwendung in Auspuffsystem von Fahrzeugbrennkraftmaschine
DE19638214C2 (de) *	1996-09-19	2001-10-11	Rainer Deska	Leuchte zur Beleuchtung von Hallen
KR100532871B1 (ko) *	1998-07-07	2006-04-06	삼성전자주식회사	엘씨디의 백라이트 장치
JP2002150819A (ja) *	2000-11-09	2002-05-24	Harison Toshiba Lighting Corp	放電ランプ装置および照明装置
TWI320503B (en) *	2002-06-03	2010-02-11	Samsung Electronics Co Ltd	Backlight assembly for providing a light in a display device, liquid crystal display panel and liquid crystal display device
CA2418659A1 (en) *	2003-02-11	2004-08-11	Capital Lighting Corporation	Fluorescent light fixture
US7635198B2 (en) *	2004-06-18	2009-12-22	Acuity Brands, Inc.	Replacement light fixture and lens assembly for same
US20060013000A1 (en) *	2004-07-16	2006-01-19	Osram Sylvania Inc.	Flat mount for light emitting diode source
CN100575778C (zh) *	2004-12-28	2009-12-30	夏普株式会社	背光单元和具有该背光单元的显示装置
US7806544B2 (en) *	2005-05-19	2010-10-05	Samsung Electronics Co., Ltd.	Backlight assembly and display device having the same
US20070247850A1 (en) *	2006-03-28	2007-10-25	Kenall Manufacturing Co.	Lighting Fixture with EMI/RFI Shield
US8220957B2 (en) *	2007-02-12	2012-07-17	Abl Ip Holding Llc	Retrofit light assembly
CN101815896A (zh) *	2007-10-01	2010-08-25	夏普株式会社	背光源装置和显示装置
US20090244908A1 (en) *	2008-04-01	2009-10-01	Stephen Haight Lydecker	Louver for Light Assembly
USD640825S1 (en)	2008-04-24	2011-06-28	Abl Ip Holding Llc	Louver
USD612534S1 (en)	2008-04-24	2010-03-23	Abl Ip Holding Llc	Bracket
US9666744B2 (en)	2013-03-15	2017-05-30	Cooper Technologies Company	Edgelit multi-panel lighting system
USD701988S1 (en) *	2013-04-22	2014-04-01	Cooper Technologies Company	Multi-panel edgelit luminaire
USD756016S1 (en)	2014-02-28	2016-05-10	Ip Holdings, Llc	Horticulture grow light housing
US9521727B1 (en)	2014-05-30	2016-12-13	Cooper Technologies Company	Lighting fixture with motion sensor and battery test switch
USD757325S1 (en)	2014-07-11	2016-05-24	Ip Holdings, Llc	Light fixture
USD757326S1 (en)	2014-07-11	2016-05-24	Ip Holdings, Llc	Fluorescent light fixture
USD748847S1 (en) *	2014-10-17	2016-02-02	Surna Inc.	Liquid-cooled optical reflector
USD748319S1 (en) *	2014-10-17	2016-01-26	Surna Inc.	Vented optical reflector
USD748850S1 (en) *	2014-10-17	2016-02-02	Surna Inc.	Air-cooled optical reflector
USD748320S1 (en) *	2014-11-11	2016-01-26	Surna Inc.	Liquid-cooled optical reflector
USD757327S1 (en)	2014-12-12	2016-05-24	Ip Holdings, Llc	Fluorescent light fixture
USD768910S1 (en)	2015-04-15	2016-10-11	Ip Holdings, Llc	Light reflector
USD807495S1 (en) *	2015-04-17	2018-01-09	Air System Components, Inc.	Recessed chilled beam
USD770081S1 (en)	2015-09-01	2016-10-25	Ip Holdings, Llc	Horticulture grow light
USD770671S1 (en)	2015-09-03	2016-11-01	Ip Holdings, Llc	Horticulture grow light
USD848662S1 (en)	2017-11-03	2019-05-14	Hgci, Inc.	Light reflector

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3884560A (en) *	1971-11-26	1975-05-20	William J Neylan	Package and reflector assembly for a light source
US3869637A (en) *	1972-04-28	1975-03-04	Sony Corp	Alpha-numeric display device utilizing light emitting diodes
US4487481A (en) *	1980-03-24	1984-12-11	Epson Corporation	Backlighted liquid crystal display
JPS6013516A (ja) *	1983-07-04	1985-01-24	Denki Kagaku Kogyo Kk	電磁波遮蔽性射出多層成形品の製造方法
JPS612126A (ja) *	1984-06-15	1986-01-08	Hitachi Ltd	液晶表示装置
US4616295A (en) *	1984-07-03	1986-10-07	Hewlett-Packard Company	Apparatus for mounting and illuminating liquid crystal displays
JPS6149379U (de) *	1984-09-06	1986-04-02
JPS61151955A (ja) *	1984-12-25	1986-07-10	Takeshi Endo	陰極線管の電磁遮へい体
US4922392A (en) *	1985-12-25	1990-05-01	Canon Kabushiki Kaisha	An original reading apparatus with shielding
JPH0820632B2 (ja) *	1986-10-03	1996-03-04	株式会社東芝	透過型液晶表示装置
DE3806421A1 (de) *	1987-03-04	1988-11-24	Citizen Watch Co Ltd	Beleuchtungsvorrichtung fuer ein fluessigkristallanzeigegeraet
JPS6417573U (de) *	1987-07-21	1989-01-27
KR970008277B1 (ko) *	1987-12-07	1997-05-22	Dai Ichi Seiko Kk	조명 장치
JPH0235022A (ja) *	1988-03-17	1990-02-05	Nagano Pref Gov Keizai Jigiyou Nogyo Kyodo Kumiai Rengokai	育苗用の混合培土
DE3815521A1 (de) *	1988-05-06	1989-11-16	Bayer Ag	Thermotrope aromatische polyester, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von formkoerpern, filamenten, fasern und folien
JPH028631A (ja) *	1988-06-27	1990-01-12	Matsushita Electric Works Ltd	蓄熱式床暖房装置
JPH0213923A (ja) *	1988-07-01	1990-01-18	Hitachi Ltd	液晶表示装置
JPH0298920A (ja) *	1988-10-06	1990-04-11	Nippon Telegr & Teleph Corp <Ntt>	ポリイミドフイルムｘ線用マスク
US4958911A (en) *	1988-10-19	1990-09-25	Jonand, Inc.	Liquid crystal display module having housing of C-shaped cross section
JPH02109020A (ja) *	1988-10-19	1990-04-20	Seiko Epson Corp	液晶モジュール用バックライト装置
US4933823A (en) *	1989-06-19	1990-06-12	Martin Processing, Inc.	Reflector material for artificial light source

1990
- 1990-04-24 JP JP2109835A patent/JP2693849B2/ja not_active Expired - Lifetime
1991
- 1991-04-23 KR KR1019910006472A patent/KR940006987B1/ko not_active IP Right Cessation
- 1991-04-24 EP EP91303676A patent/EP0454435B1/de not_active Expired - Lifetime
- 1991-04-24 DE DE69112481T patent/DE69112481T2/de not_active Expired - Lifetime
- 1991-04-24 US US07/690,578 patent/US5195822A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US5195822A (en)	1993-03-23
JPH046523A (ja)	1992-01-10
EP0454435A3 (en)	1992-04-29
DE69112481T2 (de)	1996-03-28
EP0454435A2 (de)	1991-10-30
KR910018837A (ko)	1991-11-30
KR940006987B1 (ko)	1994-08-03
EP0454435B1 (de)	1995-08-30
JP2693849B2 (ja)	1997-12-24

Legal Events

Date	Code	Title	Description
1996-09-26	8364	No opposition during term of opposition
1997-03-20	8328	Change in the person/name/address of the agent	Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

Publication	Publication Date	Title
DE69112481T2 (de)	1996-03-28	Lichtquelle.
DE69217177T2 (de)	1997-05-15	Flächenartige Lichtquelle
DE69207934D1 (de)	1996-03-14	Flächenartige Lichtquelle
DE69333153D1 (de)	2003-09-25	Lichtquelle
DE69316055D1 (de)	1998-02-12	Lichtquelle
DE68923240T2 (de)	1995-11-09	Nichtabbildende Lichtquelle.
DE69007062T2 (de)	1994-10-20	Richtungsabhängige linienförmige Lichtquelle.
DE69113332T2 (de)	1996-03-14	Vakuum-Ultraviolettlichtquelle.
DE69108753T2 (de)	1995-08-24	Scheinwerfer mit verbesserter Lichtquelle.
DE68914414D1 (de)	1994-05-11	Lichtquelle.
DE59101652D1 (de)	1994-06-23	Operationsleuchte.
DE59105622D1 (de)	1995-07-06	Leuchte.
FI912087A0 (fi)	1991-04-30	Optisk foerstaerkare.
FI914579A (fi)	1992-03-29	Optisk stroemtransformator.
DE69112185D1 (de)	1995-09-21	Lichtquelleneinrichtung.
DE69014763D1 (de)	1995-01-19	Lichtquellen.
FI911991A (fi)	1991-10-28	Optisk anordning.
DE69202374T2 (de)	1995-10-05	Lichtquelle-Reflektor-Einheit.
DE69100183T2 (de)	1993-11-04	Lichtmaske.
DE59101344D1 (de)	1994-05-19	Kerzenleuchte.
DE69108473D1 (de)	1995-05-04	Lampenanordnung.
DE59101755D1 (de)	1994-07-07	Innenleuchte.
FI902883A0 (fi)	1990-06-08	Optisk reflexionsgivare.
NO900723D0 (no)	1990-02-15	Lysinnretning.
DE69101635D1 (de)	1994-05-11	Reflektor für lichtquelle.