IL75517A0 - Improved optical system for three color liquid crystal light valve image projection system - Google Patents

Improved optical system for three color liquid crystal light valve image projection system

Info

Publication number
IL75517A0
IL75517A0 IL75517A IL7551785A IL75517A0 IL 75517 A0 IL75517 A0 IL 75517A0 IL 75517 A IL75517 A IL 75517A IL 7551785 A IL7551785 A IL 7551785A IL 75517 A0 IL75517 A0 IL 75517A0
Authority
IL
Israel
Prior art keywords
liquid crystal
light valve
image projection
crystal light
color liquid
Prior art date
Application number
IL75517A
Other languages
English (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 IL75517A0 publication Critical patent/IL75517A0/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]
    • 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]
    • 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)
IL75517A 1984-06-20 1985-06-13 Improved optical system for three color liquid crystal light valve image projection system IL75517A0 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IL75517A0 true IL75517A0 (en) 1985-10-31

Family

ID=24494521

Family Applications (1)

Application Number Title Priority Date Filing Date
IL75517A IL75517A0 (en) 1984-06-20 1985-06-13 Improved optical system for three color liquid crystal light valve image projection system

Country Status (8)

Country Link
US (1) US4715684A (cg-RX-API-DMAC7.html)
EP (1) EP0185737B1 (cg-RX-API-DMAC7.html)
JP (2) JPS61502494A (cg-RX-API-DMAC7.html)
KR (1) KR900000333B1 (cg-RX-API-DMAC7.html)
DE (1) DE3579226D1 (cg-RX-API-DMAC7.html)
IL (1) IL75517A0 (cg-RX-API-DMAC7.html)
NO (1) NO171040C (cg-RX-API-DMAC7.html)
WO (1) WO1986000485A1 (cg-RX-API-DMAC7.html)

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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
CN109828376B (zh) 2016-10-09 2021-05-18 鲁姆斯有限公司 使用矩形波导的孔径倍增器
CN113031165B (zh) 2016-11-08 2023-06-02 鲁姆斯有限公司 导光装置、其光学组件及其对应的生产方法
KR102751421B1 (ko) 2017-02-22 2025-01-07 루머스 리미티드 광 가이드 광학 어셈블리
KR102319611B1 (ko) 2017-03-22 2021-11-01 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
IL321153A (en) 2018-09-09 2025-07-01 Lumus Ltd Optical systems including light-guide optical elements with two-dimensional expansion
BR112021013197A2 (pt) 2019-01-24 2021-09-28 Lumus Ltd. Sistema óptico
CN113474715A (zh) 2019-02-28 2021-10-01 鲁姆斯有限公司 紧凑型准直图像投影仪
MY209593A (en) 2019-04-15 2025-07-23 Lumus Ltd Method of fabricating a light-guide optical element
EP3990967B1 (en) 2019-06-27 2025-02-12 Lumus Ltd. Apparatus and methods for eye tracking based on eye imaging via a light-guide optical element
BR112021025737A2 (pt) 2019-07-04 2022-02-15 Lumus Ltd Sistema óptico e sistema óptico para exibir uma imagem a um olho de um usuário
KR20220035088A (ko) 2019-07-18 2022-03-21 루머스 리미티드 캡슐화된 도광 광학 소자
TW202530744A (zh) 2019-12-05 2025-08-01 以色列商魯姆斯有限公司 光學設備
EP4538765A3 (en) 2019-12-08 2025-06-18 Lumus Ltd. Optical systems with compact image projector
WO2021137228A1 (en) 2019-12-30 2021-07-08 Lumus Ltd. Optical systems including light-guide optical elements with two-dimensional expansion
WO2021171289A1 (en) 2020-02-24 2021-09-02 Lumus Ltd. Mixed reality combiner
TWI830023B (zh) 2020-05-24 2024-01-21 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
JP7730564B2 (ja) 2020-05-24 2025-08-28 ルムス エルティーディー． 複合導光光学素子
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
CN114514460A (zh) 2020-08-23 2022-05-17 鲁姆斯有限公司 减少波导的闪烁和重影的用于图像的二维扩展的光学系统
CN115885215A (zh) 2020-08-26 2023-03-31 鲁姆斯有限公司 使用白光作为源生成彩色图像
DE202021104723U1 (de) 2020-09-11 2021-10-18 Lumus Ltd. An ein optisches Lichtleiterelement gekoppelter Bildprojektor
IL301401A (en) 2020-10-01 2023-05-01 Lumus Ltd Compound light-guide optical elements
AU2022226493B2 (en) 2021-02-25 2023-07-27 Lumus Ltd. Optical aperture multipliers having a rectangular waveguide
EP4462172A3 (en) 2021-03-01 2025-01-22 Lumus Ltd. Optical system with compact coupling from a projector into a waveguide
CN119024568A (zh) 2021-05-19 2024-11-26 鲁姆斯有限公司 光波导
CN117396792B (zh) 2021-07-04 2025-02-25 鲁姆斯有限公司 具有提供视场的不同部分的堆叠光导元件的显示器
IL310952A (en) 2021-08-23 2024-04-01 Lumus Ltd Methods of fabrication of compound light-guide optical elements having embedded coupling-inreflectors
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

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EP0083090B1 (en) * 1981-12-28 1987-09-09 Hughes Aircraft Company 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
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
US4500172A (en) * 1981-12-28 1985-02-19 Hughes Aircraft Company Two color liquid crystal light valve image projection system with single prepolarizer
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
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Also Published As

Publication number Publication date
EP0185737B1 (en) 1990-08-16
JPH0535383Y2 (cg-RX-API-DMAC7.html) 1993-09-08
JPH0331714U (cg-RX-API-DMAC7.html) 1991-03-27
DE3579226D1 (de) 1990-09-20
NO171040C (no) 1993-01-13
US4715684A (en) 1987-12-29
KR860700201A (ko) 1986-03-31
NO171040B (no) 1992-10-05
KR900000333B1 (ko) 1990-01-25
WO1986000485A1 (en) 1986-01-16
JPS61502494A (ja) 1986-10-30
NO860631L (no) 1986-02-19
EP0185737A1 (en) 1986-07-02

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Legal Events

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