NO171040C - Forbedret optisk system for trefarget flytende-krystall lysventil bildeprojeksjonssystem - Google Patents

Forbedret optisk system for trefarget flytende-krystall lysventil bildeprojeksjonssystem

Info

Publication number
NO171040C
NO171040C NO86860631A NO860631A NO171040C NO 171040 C NO171040 C NO 171040C NO 86860631 A NO86860631 A NO 86860631A NO 860631 A NO860631 A NO 860631A NO 171040 C NO171040 C NO 171040C
Authority
NO
Norway
Prior art keywords
liquid crystal
light valve
image projection
crystal light
color liquid
Prior art date
Application number
NO86860631A
Other languages
English (en)
Norwegian (no)
Other versions
NO860631L (no
NO171040B (no
Inventor
Ralph J Gagnon
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 NO860631L publication Critical patent/NO860631L/no
Publication of NO171040B publication Critical patent/NO171040B/no
Publication of NO171040C publication Critical patent/NO171040C/no

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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Optical Elements Other Than Lenses (AREA)
NO86860631A 1984-06-20 1986-02-19 Forbedret optisk system for trefarget flytende-krystall lysventil bildeprojeksjonssystem NO171040C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/622,528 US4715684A (en) 1984-06-20 1984-06-20 Optical system for three color liquid crystal light valve image projection system
PCT/US1985/001099 WO1986000485A1 (en) 1984-06-20 1985-06-10 Improved optical system for three color liquid crystal light valve image projection system

Publications (3)

Publication Number Publication Date
NO860631L NO860631L (no) 1986-02-19
NO171040B NO171040B (no) 1992-10-05
NO171040C true NO171040C (no) 1993-01-13

Family

ID=24494521

Family Applications (1)

Application Number Title Priority Date Filing Date
NO86860631A NO171040C (no) 1984-06-20 1986-02-19 Forbedret optisk system for trefarget flytende-krystall lysventil bildeprojeksjonssystem

Country Status (8)

Country Link
US (1) US4715684A (enExample)
EP (1) EP0185737B1 (enExample)
JP (2) JPS61502494A (enExample)
KR (1) KR900000333B1 (enExample)
DE (1) DE3579226D1 (enExample)
IL (1) IL75517A0 (enExample)
NO (1) NO171040C (enExample)
WO (1) WO1986000485A1 (enExample)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113885A (ja) * 1984-06-29 1986-01-22 Sony Corp 投射型画像表示装置
US4904061A (en) * 1984-10-22 1990-02-27 Seiko Epson Corporation Projection-type liquid crystal display device with even color
USRE36725E (en) * 1984-10-22 2000-06-06 Seiko Epson Corporation Projection-type display device
US5241407A (en) * 1984-10-22 1993-08-31 Seiko Epson Corporation Projection-type display device
US5073013A (en) * 1984-10-22 1991-12-17 Seiko Epson Corporation Projection-type display device
JPH0664419B2 (ja) * 1987-08-18 1994-08-22 セイコーエプソン株式会社 投射型表示装置
US4781426A (en) * 1986-09-30 1988-11-01 Itt Defense Communications, A Division Of Itt Corporation Optical fiber collimator/switch including liquid crystal polarizing material
US4824214A (en) * 1987-07-27 1989-04-25 Hughes Aircraft Company Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
US4842374A (en) * 1987-07-27 1989-06-27 Hughes Aircraft Company Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
US4807978A (en) * 1987-09-10 1989-02-28 Hughes Aircraft Company Color display device and method using holographic lenses
US5097323A (en) * 1988-01-25 1992-03-17 Casio Computer Co., Ltd. Liquid crystal projector
US5042921A (en) * 1988-10-25 1991-08-27 Casio Computer Co., Ltd. Liquid crystal display apparatus
JPH02153336A (ja) * 1988-12-05 1990-06-13 Sharp Corp 投影型液晶表示装置
US5185712A (en) * 1989-06-30 1993-02-09 Casio Computer Co., Ltd. Viewfinder and image display/pickup apparatus using liquid crystal
EP0415396B1 (en) * 1989-08-31 1997-03-05 Asahi Glass Company Ltd. Liquid crystal color projection display apparatus
JP2575558Y2 (ja) * 1990-12-26 1998-07-02 エルジー電子株式会社 液晶投写形ディスプレイの光学系構造
US5111315A (en) * 1991-02-14 1992-05-05 Hughes Aircraft Company Optical system for illuminating a light valve
JPH05158012A (ja) * 1991-12-10 1993-06-25 Pioneer Electron Corp 液晶プロジェクタ
US5311217A (en) * 1991-12-23 1994-05-10 Xerox Corporation Variable attenuator for dual beams
US5347644A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Three-dimensional image display device and systems and methods for implementation thereof
US5347433A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Collimated beam of light and systems and methods for implementation thereof
US5612741A (en) * 1993-11-05 1997-03-18 Curtis Mathes Marketing Corporation Video billboard
JP3738505B2 (ja) * 1996-05-10 2006-01-25 株式会社ニコン 投射型表示装置
US6082863A (en) * 1996-08-16 2000-07-04 Raychem Corporation Color projection prism
US6005692A (en) * 1997-05-29 1999-12-21 Stahl; Thomas D. Light-emitting diode constructions
JP3622500B2 (ja) * 1998-05-20 2005-02-23 株式会社富士通ゼネラル 液晶プロジェクタ装置
IL148804A (en) * 2002-03-21 2007-02-11 Yaacov Amitai Optical device
JP2004078159A (ja) * 2002-06-20 2004-03-11 Fuji Photo Optical Co Ltd 投写型表示装置
US10073264B2 (en) 2007-08-03 2018-09-11 Lumus Ltd. Substrate-guide optical device
US7230768B2 (en) * 2005-04-27 2007-06-12 Christie Digital Systems Inc. Ultra-bright light engine for projection displays
US10261321B2 (en) 2005-11-08 2019-04-16 Lumus Ltd. Polarizing optical system
JP5111786B2 (ja) * 2006-03-31 2013-01-09 株式会社吉野工業所 芳香剤容器
US8804111B2 (en) * 2007-10-04 2014-08-12 Kla-Tencor Corporation Multichip CCD camera inspection system
IL232197B (en) 2014-04-23 2018-04-30 Lumus Ltd Compact head-up display system
KR101688873B1 (ko) * 2014-09-03 2016-12-23 고려대학교 산학협력단 광 간섭 단층 영상 촬영 장치
IL235642B (en) 2014-11-11 2021-08-31 Lumus Ltd A compact head-up display system is protected by an element with a super-thin structure
CN108235739B (zh) 2016-10-09 2021-03-16 鲁姆斯有限公司 使用矩形波导的孔径倍增器
MX386283B (es) 2016-11-08 2025-03-18 Lumus Ltd Dispositivo de guia de luz con borde de corte optico y metodos de produccion correspondientes
KR102655450B1 (ko) 2017-02-22 2024-04-05 루머스 리미티드 광 가이드 광학 어셈블리
KR20250070126A (ko) 2017-03-22 2025-05-20 루머스 리미티드 중첩 파셋
IL251645B (en) 2017-04-06 2018-08-30 Lumus Ltd Waveguide and method of production
US10551544B2 (en) 2018-01-21 2020-02-04 Lumus Ltd. Light-guide optical element with multiple-axis internal aperture expansion
EP3791224B1 (en) 2018-05-23 2022-08-31 Lumus Ltd. Optical system including light-guide optical element with partially-reflective internal surfaces
IL309806B2 (en) 2018-09-09 2025-11-01 Lumus Ltd Optical systems including light-guide optical elements with two-dimensional expansion
CN116300087B (zh) 2019-01-24 2026-07-28 鲁姆斯有限公司 包括具有三阶段扩展的loe的光学系统
WO2020174433A1 (en) 2019-02-28 2020-09-03 Lumus Ltd. Compact collimated image projector
TWI846858B (zh) 2019-04-15 2024-07-01 以色列商魯姆斯有限公司 製造光導光學元件的方法
EP4528436A3 (en) 2019-06-27 2025-05-21 Lumus Ltd. Apparatus and methods for eye tracking based on eye imaging via a light-guide optical element
CN114080558B (zh) 2019-07-04 2024-06-11 鲁姆斯有限公司 具有对称光束倍增的图像波导
JP7592326B2 (ja) 2019-07-18 2024-12-02 ルムス エルティーディー． カプセル化された光ガイド光学素子
EP4022380A4 (en) 2019-12-05 2022-10-26 Lumus Ltd. LIGHT GUIDE OPTICAL ELEMENT USING COMPLEMENTARY COATED PARTIAL REFLECTORS, AND LIGHT GUIDE OPTICAL ELEMENT HAVING REDUCED LIGHT DIFFUSION
CN114746797B (zh) 2019-12-08 2024-11-12 鲁姆斯有限公司 具有紧凑型图像投影仪的光学系统
WO2021137228A1 (en) 2019-12-30 2021-07-08 Lumus Ltd. Optical systems including light-guide optical elements with two-dimensional expansion
IL294538B2 (en) 2020-02-24 2025-12-01 Lumus Ltd Mixed reality combiner
TWI862340B (zh) 2020-05-24 2024-11-11 以色列商魯姆斯有限公司 複合光導光學元件的製造方法及光學結構
US12124037B2 (en) 2020-05-24 2024-10-22 Lumus Ltd. Compound light-guide optical elements
TWI897971B (zh) 2020-06-01 2025-09-21 以色列商魯姆斯有限公司 用於近眼顯示器的虛擬影像遞送系統
TW202215108A (zh) 2020-08-23 2022-04-16 以色列商魯姆斯有限公司 光學系統
CN115885215B (zh) 2020-08-26 2026-06-30 鲁姆斯有限公司 使用白光作为源生成彩色图像
CN115989453B (zh) 2020-08-30 2026-04-28 鲁姆斯有限公司 具有中间图像平面的反射slm图像投影仪
DE202021104723U1 (de) 2020-09-11 2021-10-18 Lumus Ltd. An ein optisches Lichtleiterelement gekoppelter Bildprojektor
WO2022070197A1 (en) 2020-10-01 2022-04-07 Lumus Ltd. Compound light-guide optical elements
JP7705673B2 (ja) 2021-02-16 2025-07-10 ルーマス リミテッド リターダ素子を有する２次元拡張用導光光学素子を含む光学系
JP7490286B2 (ja) 2021-02-25 2024-05-27 ルーマス リミテッド 矩形導波路を有する光学アパーチャ増倍器
KR20230148324A (ko) 2021-03-01 2023-10-24 루머스 리미티드 프로젝터로부터 도파관으로의 콤팩트한 커플링을 갖는광학 시스템
KR102677455B1 (ko) 2021-05-19 2024-06-24 루머스 리미티드 액티브 광학 엔진
TWI868462B (zh) 2021-07-04 2025-01-01 以色列商魯姆斯有限公司 具有提供視場的不同部分的堆疊光導元件的顯示器
US11886008B2 (en) 2021-08-23 2024-01-30 Lumus Ltd. Methods of fabrication of compound light-guide optical elements having embedded coupling-in reflectors
JP2025526202A (ja) 2022-08-18 2025-08-12 ルムス エルティーディー． 偏光カタディオプトリックコリメータを備えた画像プロジェクタ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422376A (en) * 1943-11-27 1947-06-17 Bausch & Lomb Light beam divider
US2669902A (en) * 1950-09-26 1954-02-23 Gen Electric Binocular optical system
US3521944A (en) * 1967-06-14 1970-07-28 Fuji Photo Optical Co Ltd Relay optical system for color television camera having four light paths
JPS51114822A (en) * 1975-04-02 1976-10-08 Fuji Photo Optical Co Ltd Color tv camera color separation optical system
JPS5465048A (en) * 1977-11-02 1979-05-25 Minolta Camera Co Ltd Reflection type optical system of television projector
US4415348A (en) * 1980-05-29 1983-11-15 Zenith Radio Corporation Method of manufacture for projection television system
DE3277280D1 (en) * 1981-12-28 1987-10-15 Hughes Aircraft Co High efficiency optical system for three-color liquid crystal light valve image projection with color selective prepolarization
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
US4500172A (en) * 1981-12-28 1985-02-19 Hughes Aircraft Company Two color liquid crystal light valve image projection system with single prepolarizer
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
US4544237A (en) * 1981-12-28 1985-10-01 Hughes Aircraft Company High efficiency optical tank for two-color liquid crystal light valve image projection with color selective prepolarization
US4425028A (en) * 1981-12-28 1984-01-10 Hughes Aircraft Company High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization and single projection lens
US4571628A (en) * 1984-03-23 1986-02-18 Thirstol Thornton Portable video viewing assembly

Also Published As

Publication number Publication date
KR860700201A (ko) 1986-03-31
DE3579226D1 (de) 1990-09-20
NO860631L (no) 1986-02-19
EP0185737A1 (en) 1986-07-02
IL75517A0 (en) 1985-10-31
US4715684A (en) 1987-12-29
JPS61502494A (ja) 1986-10-30
JPH0331714U (enExample) 1991-03-27
KR900000333B1 (ko) 1990-01-25
WO1986000485A1 (en) 1986-01-16
JPH0535383Y2 (enExample) 1993-09-08
NO171040B (no) 1992-10-05
EP0185737B1 (en) 1990-08-16

Similar Documents

Publication Publication Date Title
KR860700201A (ko) 3색 액정 광 밸브 영상 프로젝터용 광학시스템
DE3873478D1 (de) Optisches system fuer vollfarbige fluessigkristallichtventilbildprojektion.
IL67557A (en) Three-color liquid crystal light valve image projection system with color selective prepolarization
DE3277280D1 (en) High efficiency optical system for three-color liquid crystal light valve image projection with color selective prepolarization
GB8531471D0 (en) Liquid crystal lens
KR960700460A (ko) 반사형 액정 디스플레이 오버헤드 투사 장치 및 방법(reflective liquid crystal display overhead projection system)
DE3789081D1 (de) Projektions-Farb-Flüssigkristall-Anzeigevorrichtung.
DE3677242D1 (de) Fluessigkristallprojektor.
DE69016926D1 (de) Flüssigkristallvideoprojektor.
DE3581825D1 (de) Farbbildanzeigesystem.
DE3852776D1 (de) Projektions-Farbflüssigkristall-Anzeigevorrichtung.
DE69026181D1 (de) Flussigkristallprojektor
DE68917951D1 (de) Flüssigkristall-Bildprojektionssystem.
DE69030537D1 (de) Flüssigkristallprojektor
KR890702375A (ko) 4색 액정 광밸브 영상 투사기용 단일 선편광 프리즘 조립체
FR2569867B1 (fr) Projecteur optique pour collimateur de pilotage
DK547986A (da) Fresnellinse til projektionsskaerme
GB2138163B (en) Optical projection system
DK397585A (da) Transparent baglysprojektionsskaerm
DE3277053D1 (en) Two-color liquid crystal light valve image projection system with prepolarization
GB8510987D0 (en) Optical projection viewing system
GB8300705D0 (en) Laser optical projection system
DE3467489D1 (en) A novel liquid crystal light valve color projector
DK310182A (da) Farvebilledfremvisningsanlaeg
GB2171533B (en) Liquid crystal light shutter