DE69118849D1 - Flüssigkristallprojektor - Google Patents

Flüssigkristallprojektor

Info

Publication number: DE69118849D1
Authority: DE; Germany
Prior art keywords: liquid crystal; crystal projector; projector; liquid; crystal
Prior art date: 1990-12-27
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

DE69118849T

Other languages

English (en)

Other versions

DE69118849T2 (de

Inventor

Yoshiaki Miyashita

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.)

Sanyo Electric Co Ltd

Original Assignee

Sanyo Electric 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.)

1990-12-27

Filing date

1991-12-27

Publication date

1996-05-23

1991-12-27 Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd

1996-05-23 Publication of DE69118849D1 publication Critical patent/DE69118849D1/de

1996-10-10 Application granted granted Critical

1996-10-10 Publication of DE69118849T2 publication Critical patent/DE69118849T2/de

2011-12-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/317—Convergence or focusing systems
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- 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
- G02F1/133504—Diffusing, scattering, diffracting elements

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
General Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Mathematical Physics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Engineering & Computer Science (AREA)
Projection Apparatus (AREA)
Liquid Crystal (AREA)
Transforming Electric Information Into Light Information (AREA)

DE69118849T 1990-12-27 1991-12-27 Flüssigkristallprojektor Expired - Fee Related DE69118849T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP40821590		1990-12-27
JP3135058A JPH04253044A (ja)	1990-12-27	1991-06-06	液晶プロジェクタ

Publications (2)

Publication Number	Publication Date
DE69118849D1 true DE69118849D1 (de)	1996-05-23
DE69118849T2 DE69118849T2 (de)	1996-10-10

Family

ID=26469003

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69118849T Expired - Fee Related DE69118849T2 (de)	1990-12-27	1991-12-27	Flüssigkristallprojektor

Country Status (5)

Country	Link
US (1)	US5250967A (de)
EP (1)	EP0492661B1 (de)
JP (1)	JPH04253044A (de)
CA (1)	CA2058519C (de)
DE (1)	DE69118849T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06235883A (ja) *	1993-02-10	1994-08-23	Sony Corp	映像プロジェクタ装置
US5402184A (en) *	1993-03-02	1995-03-28	North American Philips Corporation	Projection system having image oscillation
EP0627644B1 (de) *	1993-06-01	2001-11-28	Sharp Kabushiki Kaisha	Bildanzeigevorrichtung mit rückseitiger Beleuchtung
EP0711426B1 (de) *	1994-05-26	2000-08-09	Koninklijke Philips Electronics N.V.	Bildprojektionsvorrichtung
US5594563A (en) *	1994-05-31	1997-01-14	Honeywell Inc.	High resolution subtractive color projection system
US5755501A (en) *	1994-08-31	1998-05-26	Omron Corporation	Image display device and optical low-pass filter
DE19537044A1 (de) *	1995-10-05	1997-04-10	Sel Alcatel Ag	Breitbandiges Mobilfunksystem
US5971546A (en) *	1996-06-15	1999-10-26	Lg Electronics Inc.	Image display device
TW434444B (en) *	1996-10-30	2001-05-16	Seiko Epson Corp	Projection display and illuminating optical system for it
JP2000028959A (ja) *	1998-07-08	2000-01-28	Fujitsu Ltd	光学装置および投写型表示装置
US6425669B1 (en) *	2000-05-24	2002-07-30	Ball Semiconductor, Inc.	Maskless exposure system
US7339714B1 (en)	2001-02-02	2008-03-04	Cheetah Omni, Llc	Variable blazed grating based signal processing
US7145704B1 (en)	2003-11-25	2006-12-05	Cheetah Omni, Llc	Optical logic gate based optical router
KR20040011761A (ko) *	2002-07-30	2004-02-11	삼성전자주식회사	화소이동수단을 구비하는 고해상도 디스플레이
US7034811B2 (en)	2002-08-07	2006-04-25	Hewlett-Packard Development Company, L.P.	Image display system and method
US7172288B2 (en)	2003-07-31	2007-02-06	Hewlett-Packard Development Company, L.P.	Display device including a spatial light modulator with plural image regions
DE10245104B4 (de) *	2002-09-27	2008-08-07	Carl Zeiss Jena Gmbh	Projektionsanordnung und Projektionsverfahren
JP2006510940A (ja) *	2002-12-20	2006-03-30	コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ	発光ユニットの二次元配列を備えた画像投射器
US6751005B1 (en) *	2002-12-20	2004-06-15	Eastman Kodak Company	Compensating for pixel defects by spatial translation of scene content
US7070278B2 (en) *	2003-01-29	2006-07-04	Mems Optical, Inc.	Autostereoscopic 3-D display
US6974216B2 (en) *	2003-01-29	2005-12-13	Mems Optical, Inc.	Autostereoscopic 3-D display
KR100833230B1 (ko) *	2003-04-07	2008-05-28	삼성전자주식회사	조명 광학계 및 이를 구비한 화상 프로젝션 시스템
US6906852B1 (en)	2003-12-31	2005-06-14	Texas Instruments Incorporated	Wavelength discriminated image dithering
US7086736B2 (en)	2004-01-20	2006-08-08	Hewlett-Packard Development Company, L.P.	Display system with sequential color and wobble device
KR20050077074A (ko) *	2004-01-26	2005-08-01	엘지전자 주식회사	투사형 디스플레이 장치
TWI286657B (en) *	2004-04-28	2007-09-11	Prodisc Technology Inc	Projection system
US7023449B2 (en)	2004-04-30	2006-04-04	Hewlett-Packard Development Company, L.P.	Displaying least significant color image bit-planes in less than all image sub-frame locations
CN108663850B (zh) *	2017-03-28	2021-04-20	腾讯科技（深圳）有限公司	Vr设备及其显示屏
CN108663802A (zh) *	2017-03-28	2018-10-16	腾讯科技（深圳）有限公司	Vr设备及vr设备的控制方法
JP7173972B2 (ja) *	2017-08-04	2022-11-16	三洋化成工業株式会社	電解コンデンサ用添加剤、導電性高分子分散液、電解液及び電解コンデンサ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4327972A (en) *	1979-10-22	1982-05-04	Coulter Electronics, Inc.	Redirecting surface for desired intensity profile
JPS60241024A (ja) *	1984-05-16	1985-11-29	Seiko Epson Corp	透過型カラ−液晶表示装置
FR2595493A1 (fr) *	1986-03-07	1987-09-11	Thomson Csf	Systeme de visualisation a ecran plat
JPS63292880A (ja) *	1987-05-26	1988-11-30	Kawasaki Heavy Ind Ltd	画像投影方法及び装置
JPS63306792A (ja) *	1987-06-09	1988-12-14	Canon Inc	Ｌｃｄビデオプロジエクタ
JP2791668B2 (ja) *	1988-08-31	1998-08-27	旭光学工業株式会社	微小画素列による画像光学系の画素間マスクのコントラスト低下装置
JPH0642126B2 (ja) *	1988-10-26	1994-06-01	シャープ株式会社	投影型画像表示装置
DE3912237A1 (de) *	1989-04-14	1990-10-18	Zeiss Carl Fa	Spiegel zur veraenderung der geometrischen gestalt eines lichtbuendels

1991
- 1991-06-06 JP JP3135058A patent/JPH04253044A/ja active Pending
- 1991-12-26 US US07/813,633 patent/US5250967A/en not_active Expired - Lifetime
- 1991-12-27 CA CA002058519A patent/CA2058519C/en not_active Expired - Fee Related
- 1991-12-27 DE DE69118849T patent/DE69118849T2/de not_active Expired - Fee Related
- 1991-12-27 EP EP91122320A patent/EP0492661B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0492661B1 (de)	1996-04-17
JPH04253044A (ja)	1992-09-08
EP0492661A3 (en)	1992-12-23
CA2058519A1 (en)	1992-06-28
EP0492661A2 (de)	1992-07-01
JPH04229611A (ja)	1992-08-19
US5250967A (en)	1993-10-05
CA2058519C (en)	1998-09-22
DE69118849T2 (de)	1996-10-10

Publication	Publication Date	Title
DE69118849D1 (de)	1996-05-23	Flüssigkristallprojektor
DK0493798T3 (da)	1996-09-30	Flydende krystal-display
DE69125101D1 (de)	1997-04-17	Flüssigkristallanzeige
DE69115837D1 (de)	1996-02-08	Flüssigkristallanzeige
DE69123936D1 (de)	1997-02-13	Flüssigkristallanzeige
DE69026181D1 (de)	1996-05-02	Flussigkristallprojektor
DE69016926D1 (de)	1995-03-23	Flüssigkristallvideoprojektor.
DE69127866D1 (de)	1997-11-13	Flüssigkristallanzeigevorrichtung
DE69622504D1 (de)	2002-08-29	Flüssigkristallprojektor
DE69127393D1 (de)	1997-10-02	Flüssigkristallanzeigevorrichtung
DE69121616D1 (de)	1996-10-02	Flüssigkristall-Anzeigevorrichtung
DE69121138D1 (de)	1996-09-05	Flüssigkristallanzeigeeinrichtung
DE59107572D1 (de)	1996-04-25	Flüssigkristallines medium
DE69030537D1 (de)	1997-05-28	Flüssigkristallprojektor
DE69212311D1 (de)	1996-08-22	Flüssigkristallanzeige
DE59108608D1 (de)	1997-04-17	Flüssigkristallines medium
DE69120245D1 (de)	1996-07-18	Flüssigkristallmedium
DE69127169D1 (de)	1997-09-11	Flüssigkristall-Anzeigevorrichtung
DE69213565D1 (de)	1996-10-17	Flüssigkristallzusammensetzung
DE69022410D1 (de)	1995-10-19	Matrix-flüssigkristallanzeige.
DE59006708D1 (de)	1994-09-08	Flüssigkristallanzeige.
DE69131902D1 (de)	2000-02-17	Flüssigkristall-anzeigevorrichtung
DE69116967D1 (de)	1996-03-21	Flüssigkristallanzeigevorrichtung
DE69123127D1 (de)	1996-12-19	Flüssigkristallanzeige
DE59108172D1 (de)	1996-10-17	Flüssigkristallines medium

Legal Events

Date	Code	Title	Description
1997-05-22	8364	No opposition during term of opposition
2009-10-22	8339	Ceased/non-payment of the annual fee