DE3677242D1 - Fluessigkristallprojektor. - Google Patents

Fluessigkristallprojektor.

Info

Publication number
DE3677242D1
DE3677242D1 DE8686101914T DE3677242T DE3677242D1 DE 3677242 D1 DE3677242 D1 DE 3677242D1 DE 8686101914 T DE8686101914 T DE 8686101914T DE 3677242 T DE3677242 T DE 3677242T DE 3677242 D1 DE3677242 D1 DE 3677242D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal projector
projector
liquid
crystal
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
DE8686101914T
Other languages
English (en)
Inventor
Masaharu Patent Dept De Kizaki
Shigeru Patent Dept Shibazaki
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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.)
Filing date
Publication date
Priority claimed from JP3931085U external-priority patent/JPS61155830U/ja
Priority claimed from JP60211436A external-priority patent/JPS6271920A/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Application granted granted Critical
Publication of DE3677242D1 publication Critical patent/DE3677242D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
DE8686101914T 1985-03-19 1986-02-14 Fluessigkristallprojektor. Expired - Fee Related DE3677242D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3931085U JPS61155830U (de) 1985-03-19 1985-03-19
JP60211436A JPS6271920A (ja) 1985-09-25 1985-09-25 液晶プロジエクタ

Publications (1)

Publication Number Publication Date
DE3677242D1 true DE3677242D1 (de) 1991-03-07

Family

ID=26378658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686101914T Expired - Fee Related DE3677242D1 (de) 1985-03-19 1986-02-14 Fluessigkristallprojektor.

Country Status (3)

Country Link
US (1) US4671634A (de)
EP (1) EP0197265B1 (de)
DE (1) DE3677242D1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0623817B2 (ja) * 1985-07-18 1994-03-30 旭光学工業株式会社 液晶投写型画像表示装置
JPH0535388Y2 (de) * 1985-07-29 1993-09-08
JPH0758372B2 (ja) * 1985-12-20 1995-06-21 カシオ計算機株式会社 液晶表示装置
US4770525A (en) * 1986-03-24 1988-09-13 Casio Computer Co., Ltd. Liquid crystal projector
US4875064A (en) * 1986-08-06 1989-10-17 Casio Computer Co., Ltd. Projector apparatus with mirror means
CA1278080C (en) * 1986-08-20 1990-12-18 Yasuo Yamagishi Projection-type multi-color liquid crystal display device
EP0258927A3 (de) * 1986-08-22 1991-01-09 North American Philips Corporation Anzeigesystem
DE3711540A1 (de) * 1987-04-06 1988-10-27 Demolux Wandler fuer elektrische signale in optisch zu projizierende bilder, insbesondere fuer video-signale
US5227821A (en) * 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
US5255029A (en) * 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems
US5187510A (en) * 1987-04-30 1993-02-16 Nview Corporation Liquid crystal display for projection systems
US4952925A (en) * 1988-01-25 1990-08-28 Bernd Haastert Projectable passive liquid-crystal flat screen information centers
US5089810A (en) * 1990-04-09 1992-02-18 Computer Accessories Corporation Stacked display panel construction and method of making same
US5153568A (en) * 1988-07-21 1992-10-06 Proxima Corporation Liquid crystal display panel system and method of using same
US5302946A (en) * 1988-07-21 1994-04-12 Leonid Shapiro Stacked display panel construction and method of making same
US4953971A (en) * 1988-10-17 1990-09-04 Highfill Robert R Interactive image projection apparatus
US5192946A (en) * 1989-02-27 1993-03-09 Texas Instruments Incorporated Digitized color video display system
US5206629A (en) * 1989-02-27 1993-04-27 Texas Instruments Incorporated Spatial light modulator and memory for digitized video display
US5287096A (en) * 1989-02-27 1994-02-15 Texas Instruments Incorporated Variable luminosity display system
US5214419A (en) * 1989-02-27 1993-05-25 Texas Instruments Incorporated Planarized true three dimensional display
US5446479A (en) * 1989-02-27 1995-08-29 Texas Instruments Incorporated Multi-dimensional array video processor system
US5162787A (en) * 1989-02-27 1992-11-10 Texas Instruments Incorporated Apparatus and method for digitized video system utilizing a moving display surface
US5079544A (en) * 1989-02-27 1992-01-07 Texas Instruments Incorporated Standard independent digitized video system
US5272473A (en) * 1989-02-27 1993-12-21 Texas Instruments Incorporated Reduced-speckle display system
US5128660A (en) * 1989-02-27 1992-07-07 Texas Instruments Incorporated Pointer for three dimensional display
US5170156A (en) * 1989-02-27 1992-12-08 Texas Instruments Incorporated Multi-frequency two dimensional display system
KR100202246B1 (ko) * 1989-02-27 1999-06-15 윌리엄 비. 켐플러 디지탈화 비디오 시스템을 위한 장치 및 방법
US5214420A (en) * 1989-02-27 1993-05-25 Texas Instruments Incorporated Spatial light modulator projection system with random polarity light
US5050965A (en) * 1989-09-01 1991-09-24 In Focus Systems, Inc. Color display using supertwisted nematic liquid crystal material
US4917465A (en) * 1989-03-28 1990-04-17 In Focus Systems, Inc. Color display system
USRE36654E (en) * 1989-03-28 2000-04-11 In Focus Systems, Inc. Stacked LCD color display
JP2831510B2 (ja) 1991-03-14 1998-12-02 株式会社日立製作所 液晶表示素子及びこれを用いた液晶表示装置
US5313234A (en) * 1991-07-26 1994-05-17 Sayett Group, Inc. Liquid crystal projector
KR960002207B1 (ko) * 1991-12-30 1996-02-13 엘지전자주식회사 포터블 엘씨디 프로젝터
US5347433A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Collimated beam of light and systems and methods for implementation thereof
US5347644A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Three-dimensional image display device and systems and methods for implementation thereof
DE4317221A1 (de) * 1993-05-24 1994-12-01 Brodhag Angelika Komponentenkamera für Groß- und Mittelformat
GB9409707D0 (en) * 1994-05-14 1994-07-06 Philips Electronics Uk Ltd Liquid crystal projection display systems
US5666171A (en) * 1994-08-02 1997-09-09 Casio Computer Co., Ltd. Liquid crystal image projector
US5781251A (en) * 1995-12-28 1998-07-14 U.S. Philips Corporation Method and apparatus for optical scanning for single panel color projection video display

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH539315A (de) * 1971-12-03 1973-07-15 Bbc Brown Boveri & Cie Informationsträger für Projektionszwecke
US3844650A (en) * 1972-05-22 1974-10-29 Minnesota Mining & Mfg Projector
CH607120A5 (de) * 1976-04-29 1978-11-30 Bbc Brown Boveri & Cie
JPS56117217A (en) * 1980-02-21 1981-09-14 Sharp Corp Liquid-crystal display recorder

Also Published As

Publication number Publication date
EP0197265A1 (de) 1986-10-15
US4671634A (en) 1987-06-09
EP0197265B1 (de) 1991-01-30

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee