KR860700201A - 3색 액정 광 밸브 영상 프로젝터용 광학시스템 - Google Patents

3색 액정 광 밸브 영상 프로젝터용 광학시스템

Info

Publication number
KR860700201A
KR860700201A KR1019860700092A KR860700092A KR860700201A KR 860700201 A KR860700201 A KR 860700201A KR 1019860700092 A KR1019860700092 A KR 1019860700092A KR 860700092 A KR860700092 A KR 860700092A KR 860700201 A KR860700201 A KR 860700201A
Authority
KR
South Korea
Prior art keywords
liquid crystal
optical system
light valve
crystal light
color liquid
Prior art date
Application number
KR1019860700092A
Other languages
English (en)
Other versions
KR900000333B1 (ko
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 filed Critical
Publication of KR860700201A publication Critical patent/KR860700201A/ko
Application granted granted Critical
Publication of KR900000333B1 publication Critical patent/KR900000333B1/ko

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)
  • Optical Elements Other Than Lenses (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
KR1019860700092A 1984-06-20 1985-06-10 3색 액정 광 밸브 영상 프로젝터용 광학시스템 KR900000333B1 (ko)

Applications Claiming Priority (3)

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
US622,528 1984-06-20
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 (2)

Publication Number Publication Date
KR860700201A true KR860700201A (ko) 1986-03-31
KR900000333B1 KR900000333B1 (ko) 1990-01-25

Family

ID=24494521

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860700092A KR900000333B1 (ko) 1984-06-20 1985-06-10 3색 액정 광 밸브 영상 프로젝터용 광학시스템

Country Status (8)

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

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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
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US5185712A (en) * 1989-06-30 1993-02-09 Casio Computer Co., Ltd. Viewfinder and image display/pickup apparatus using liquid crystal
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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
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
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JP3738505B2 (ja) * 1996-05-10 2006-01-25 株式会社ニコン 投射型表示装置
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US10073264B2 (en) 2007-08-03 2018-09-11 Lumus Ltd. Substrate-guide optical device
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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
KR102482528B1 (ko) 2016-10-09 2022-12-28 루머스 리미티드 직사각형 도파관을 사용하는 개구 배율기
KR20230084335A (ko) 2016-11-08 2023-06-12 루머스 리미티드 광학 컷오프 에지를 구비한 도광 장치 및 그 제조 방법
KR102338472B1 (ko) 2017-02-22 2021-12-14 루머스 리미티드 광 가이드 광학 어셈블리
CN113341566B (zh) 2017-03-22 2023-12-15 鲁姆斯有限公司 交叠的反射面构造
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
WO2019224764A1 (en) 2018-05-23 2019-11-28 Lumus Ltd. Optical system including light-guide optical element with partially-reflective internal surfaces
AU2019335612A1 (en) 2018-09-09 2021-04-08 Lumus Ltd. Optical systems including light-guide optical elements with two-dimensional expansion
KR20230096149A (ko) 2019-01-24 2023-06-29 루머스 리미티드 2차원 확장이 가능한 도광 광학 소자를 포함하는 광학 시스템
CN114072717A (zh) 2019-06-27 2022-02-18 鲁姆斯有限公司 基于经由光导光学元件对眼睛成像来进行眼睛追踪的设备和方法
CA3145818C (en) 2019-07-04 2023-12-12 Lumus Ltd. Image waveguide with symmetric beam multiplication
US11561335B2 (en) 2019-12-05 2023-01-24 Lumus Ltd. Light-guide optical element employing complementary coated partial reflectors, and light-guide optical element having reduced light scattering
KR20240059655A (ko) 2019-12-08 2024-05-07 루머스 리미티드 소형 이미지 프로젝터를 갖는 광학 시스템
WO2021137228A1 (en) 2019-12-30 2021-07-08 Lumus Ltd. Optical systems including light-guide optical elements with two-dimensional expansion
EP4325277A2 (en) 2020-05-24 2024-02-21 Lumus Ltd. Method of fabrication of compound light-guide optical elements
DE202021104723U1 (de) 2020-09-11 2021-10-18 Lumus Ltd. An ein optisches Lichtleiterelement gekoppelter Bildprojektor
US11796729B2 (en) 2021-02-25 2023-10-24 Lumus Ltd. Optical aperture multipliers having a rectangular waveguide
EP4237903A4 (en) 2021-03-01 2024-04-24 Lumus Ltd COMPACT COUPLING OPTICAL SYSTEM FROM A PROJECTOR IN A WAVEGUIDE
JP2024517804A (ja) 2021-05-19 2024-04-23 ルムス エルティーディー． 活性光学エンジン
US11789264B2 (en) 2021-07-04 2023-10-17 Lumus Ltd. Display with stacked light-guide elements providing different parts of field of view
EP4374204A1 (en) 2021-08-23 2024-05-29 Lumus Ltd. Methods of fabrication of compound light-guide optical elements having embedded coupling-in reflectors

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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
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
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
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
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
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
US4500172A (en) * 1981-12-28 1985-02-19 Hughes Aircraft Company Two color liquid crystal light valve image projection system with single prepolarizer
US4571628A (en) * 1984-03-23 1986-02-18 Thirstol Thornton Portable video viewing assembly

Also Published As

Publication number Publication date
IL75517A0 (en) 1985-10-31
JPH0331714U (ko) 1991-03-27
EP0185737A1 (en) 1986-07-02
WO1986000485A1 (en) 1986-01-16
DE3579226D1 (de) 1990-09-20
NO171040B (no) 1992-10-05
JPH0535383Y2 (ko) 1993-09-08
JPS61502494A (ja) 1986-10-30
NO860631L (no) 1986-02-19
NO171040C (no) 1993-01-13
EP0185737B1 (en) 1990-08-16
KR900000333B1 (ko) 1990-01-25
US4715684A (en) 1987-12-29

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Legal Events

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A201 Request for examination
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