IL86259A - Optical system for full color liquid crystal light valve image projection - Google Patents

Optical system for full color liquid crystal light valve image projection

Info

Publication number
IL86259A
IL86259A IL86259A IL8625988A IL86259A IL 86259 A IL86259 A IL 86259A IL 86259 A IL86259 A IL 86259A IL 8625988 A IL8625988 A IL 8625988A IL 86259 A IL86259 A IL 86259A
Authority
IL
Israel
Prior art keywords
liquid crystal
optical system
light valve
image projection
full color
Prior art date
Application number
IL86259A
Other languages
English (en)
Other versions
IL86259A0 (en
Original Assignee
Hughes Aircraft Co
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
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL86259A0 publication Critical patent/IL86259A0/xx
Publication of IL86259A publication Critical patent/IL86259A/xx

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]
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IL86259A 1987-05-15 1988-05-03 Optical system for full color liquid crystal light valve image projection IL86259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/013,479 US4749259A (en) 1987-05-15 1987-05-15 Liquid crystal image projection with multicolor prepolarizing system

Publications (2)

Publication Number Publication Date
IL86259A0 IL86259A0 (en) 1988-11-15
IL86259A true IL86259A (en) 1992-11-15

Family

ID=21760164

Family Applications (1)

Application Number Title Priority Date Filing Date
IL86259A IL86259A (en) 1987-05-15 1988-05-03 Optical system for full color liquid crystal light valve image projection

Country Status (9)

Country Link
US (1) US4749259A (de)
EP (1) EP0313640B1 (de)
JP (1) JP2708205B2 (de)
KR (1) KR920000145B1 (de)
AU (1) AU604920B2 (de)
DE (1) DE3873478T2 (de)
IL (1) IL86259A (de)
NO (1) NO890099L (de)
WO (1) WO1988009102A1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904061A (en) * 1984-10-22 1990-02-27 Seiko Epson Corporation Projection-type liquid crystal display device with even color
US4827334A (en) * 1986-08-22 1989-05-02 Electrohome Limited Optical system and method for image sampling in a video projection system
DE3751233T2 (de) * 1986-10-31 1995-08-24 Seiko Epson Corp Anzeigevorrichtung vom Projektionstyp.
DE3852776T2 (de) * 1987-04-14 1995-06-22 Seiko Epson Corp Projektions-Farbflüssigkristall-Anzeigevorrichtung.
US5191450A (en) * 1987-04-14 1993-03-02 Seiko Epson Corporation Projection-type color display device having a driving circuit for producing a mirror-like image
US5300942A (en) * 1987-12-31 1994-04-05 Projectavision Incorporated High efficiency light valve projection system with decreased perception of spaces between pixels and/or hines
US5272473A (en) * 1989-02-27 1993-12-21 Texas Instruments Incorporated Reduced-speckle display system
US5287096A (en) * 1989-02-27 1994-02-15 Texas Instruments Incorporated Variable luminosity display system
US5192946A (en) * 1989-02-27 1993-03-09 Texas Instruments Incorporated Digitized color video display system
US5214419A (en) * 1989-02-27 1993-05-25 Texas Instruments Incorporated Planarized true three dimensional display
US5206629A (en) * 1989-02-27 1993-04-27 Texas Instruments Incorporated Spatial light modulator and memory for digitized video display
US5128660A (en) * 1989-02-27 1992-07-07 Texas Instruments Incorporated Pointer for three dimensional display
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
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
US5446479A (en) * 1989-02-27 1995-08-29 Texas Instruments Incorporated Multi-dimensional array video processor system
US5214420A (en) * 1989-02-27 1993-05-25 Texas Instruments Incorporated Spatial light modulator projection system with random polarity light
US5060058A (en) * 1989-06-07 1991-10-22 U.S. Philips Corporation Modulation system for projection display
US4911547A (en) * 1989-06-07 1990-03-27 Hughes Aircraft Company Compact optical system for a single light valve projector using two axes of polarization
US5024524A (en) * 1989-08-11 1991-06-18 Raf Electronics Corp. Reflective image plane module
US5022750A (en) * 1989-08-11 1991-06-11 Raf Electronics Corp. Active matrix reflective projection system
EP0438565B1 (de) 1989-08-11 1997-06-04 Raf Electronics Corp. Auf halbleiter basierte matritze
DE69030038T2 (de) * 1989-08-31 1997-06-12 Asahi Glass Co Ltd Flüssigkristallfarbprojektionsanzeigevorrichtung
NL8902205A (nl) * 1989-09-01 1991-04-02 Philips Nv Projektiesysteem.
JP2893599B2 (ja) * 1989-10-05 1999-05-24 セイコーエプソン株式会社 偏光光源及び投写型表示装置
DE69028611T2 (de) * 1989-12-28 1997-02-20 Canon Kk Bildprojektor
US5267029A (en) * 1989-12-28 1993-11-30 Katsumi Kurematsu Image projector
EP0644202B1 (de) * 1990-12-14 1997-03-05 N.V. Innogenetics S.A. Synthetische Antigene zum Nachweis von Antikörpern gegen Hepatitis C-Virus
US6769792B1 (en) 1991-04-30 2004-08-03 Genlyte Thomas Group Llc High intensity lighting projectors
US5282121A (en) * 1991-04-30 1994-01-25 Vari-Lite, Inc. High intensity lighting projectors
US5347433A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Collimated beam of light and systems and methods for implementation thereof
US5903388A (en) * 1992-06-11 1999-05-11 Sedlmayr Steven R High efficiency electromagnetic beam projector and systems and method 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
EP0605191B1 (de) * 1992-12-25 1998-06-17 Mitsui Chemicals, Inc. Polarisierender Farbfilter
US5621551A (en) * 1993-04-30 1997-04-15 Hughes-Jvc Technology Corporation Immersed dichroic system for single projection lens liquid crystal video projector
US5719702A (en) * 1993-08-03 1998-02-17 The United States Of America As Represented By The United States Department Of Energy Polarization-balanced beamsplitter
US5612741A (en) * 1993-11-05 1997-03-18 Curtis Mathes Marketing Corporation Video billboard
US5374968A (en) * 1993-11-08 1994-12-20 Greyhawk Systems, Inc. Optics for a single-lens video projector with color-specific polarization channels
US5365287A (en) * 1993-11-08 1994-11-15 Greyhawk Systems, Inc. Three color channel, two-elevation optics for a single lens video projector
EP0734182B1 (de) * 1995-03-23 2001-01-17 International Business Machines Corporation Wirksames optisches System für eine hochauflösende Projektionsanzeige mit Reflexionslichtventilen
US5973833A (en) * 1997-08-29 1999-10-26 Lightware, Inc. High efficiency polarizing converter
WO2000011510A1 (en) * 1998-08-21 2000-03-02 Corning Incorporated Tunable periodic filter
US6550919B1 (en) * 1999-03-26 2003-04-22 Unaxis Balzers Aktiengesellschaft Spectral light division and recombination configuration as well as process for the spectrally selective modulation of light
US6790490B1 (en) * 1999-07-14 2004-09-14 Nippon Kayaku Kabushiki Kaisha Dye type polarizing plate
TW386177B (en) * 1999-09-03 2000-04-01 Primax Electronics Ltd A projection display device for displaying electronic images
US6856381B2 (en) * 2000-07-13 2005-02-15 Werth Messtechnik Gmbh Method for carrying out the non-contact measurement of geometries of objects
US6597504B2 (en) * 2000-12-29 2003-07-22 Honeywell International Inc. Optical devices employing beam folding with polarizing splitters
US7994450B2 (en) * 2002-01-07 2011-08-09 International Business Machines Corporation Debris minimization and improved spatial resolution in pulsed laser ablation of materials
US6758565B1 (en) * 2003-03-20 2004-07-06 Eastman Kodak Company Projection apparatus using telecentric optics
KR100754683B1 (ko) 2006-05-02 2007-09-03 삼성전자주식회사 레이저 프로젝터

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2403731A (en) * 1943-04-01 1946-07-09 Eastman Kodak Co Beam splitter
US3501640A (en) * 1967-01-13 1970-03-17 Ibm Optical communication system
GB1332304A (en) 1969-11-27 1973-10-03 Barr & Stroud Ltd Colour separating systems
JPS5342369B2 (de) * 1973-07-02 1978-11-10
US4127322A (en) * 1975-12-05 1978-11-28 Hughes Aircraft Company High brightness full color image light valve projection system
US4191456A (en) * 1979-03-08 1980-03-04 Hughes Aircraft Company Optical block for high brightness full color video projection system
JPS56117489A (en) * 1980-02-22 1981-09-14 Fuji Photo Optical Co Ltd Color separating optical system for color television camera
US4295159A (en) * 1980-06-05 1981-10-13 General Electric Company Light projection system
US4500172A (en) * 1981-12-28 1985-02-19 Hughes Aircraft Company Two color liquid crystal light valve image projection system with single prepolarizer
CA1218546A (en) * 1981-12-28 1987-03-03 Robert T. Carson High efficiency optical system for three-color liquid crystal light valve image projection with color selective prepolarization
JPS58117534A (ja) * 1981-12-28 1983-07-13 ヒューズ・エアクラフト・カンパニー 投影装置
US4464019A (en) * 1981-12-28 1984-08-07 Hughes Aircraft Company Two-color liquid crystal light valve image projection system with color selective prepolarizers in single optical tank
US4464018A (en) * 1981-12-28 1984-08-07 Hughes Aircraft Company Liquid crystal light valve image projection system with color selective prepolarization and blue mirror
GB2163865B (en) * 1984-08-30 1988-06-02 Rank Cintel Ltd Apparatus for individually processing optical images of different wavelengths
US4687301A (en) 1985-07-12 1987-08-18 Hughes Aircraft Company Full-color projector system with a tricolor-separating prism

Also Published As

Publication number Publication date
AU604920B2 (en) 1991-01-03
NO890099D0 (no) 1989-01-10
IL86259A0 (en) 1988-11-15
EP0313640A1 (de) 1989-05-03
JP2708205B2 (ja) 1998-02-04
WO1988009102A1 (en) 1988-11-17
NO890099L (no) 1989-01-10
US4749259A (en) 1988-06-07
KR890702374A (ko) 1989-12-23
EP0313640B1 (de) 1992-08-05
DE3873478D1 (de) 1992-09-10
KR920000145B1 (ko) 1992-01-09
JPH01503337A (ja) 1989-11-09
DE3873478T2 (de) 1993-02-04
AU1796588A (en) 1988-12-06

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