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 systemInfo
- 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
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)
- Optical Elements Other Than Lenses (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
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 (ro) |
EP (1) | EP0185737B1 (ro) |
JP (2) | JPS61502494A (ro) |
KR (1) | KR900000333B1 (ro) |
DE (1) | DE3579226D1 (ro) |
IL (1) | IL75517A0 (ro) |
NO (1) | NO171040C (ro) |
WO (1) | WO1986000485A1 (ro) |
Families Citing this family (57)
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 |
USRE36725E (en) * | 1984-10-22 | 2000-06-06 | 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 |
US5241407A (en) * | 1984-10-22 | 1993-08-31 | Seiko Epson Corporation | Projection-type display device |
US4904061A (en) * | 1984-10-22 | 1990-02-27 | Seiko Epson Corporation | Projection-type liquid crystal display device with even color |
US5073013A (en) * | 1984-10-22 | 1991-12-17 | Seiko Epson Corporation | Projection-type display device |
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 |
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 |
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 |
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 |
DE69030038T2 (de) * | 1989-08-31 | 1997-06-12 | Asahi Glass Co Ltd | Flüssigkristallfarbprojektionsanzeigevorrichtung |
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 |
US10048499B2 (en) | 2005-11-08 | 2018-08-14 | 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 |
WO2018065975A1 (en) | 2016-10-09 | 2018-04-12 | Lumus Ltd | Aperture multiplier using a rectangular waveguide |
AU2017356702B2 (en) | 2016-11-08 | 2021-04-15 | Lumus Ltd | Light-guide device with optical cutoff edge and corresponding production methods |
WO2018154576A1 (en) | 2017-02-22 | 2018-08-30 | Lumus Ltd. | Light guide optical assembly |
CN117572644A (zh) | 2017-03-22 | 2024-02-20 | 鲁姆斯有限公司 | 用于生产光导光学元件的方法和光学系统 |
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 |
MX2021002813A (es) | 2018-09-09 | 2021-05-12 | Lumus Ltd | Sistemas opticos que incluyen elementos opticos de guia de luz con expansion bidimensional. |
US10983264B2 (en) | 2019-01-24 | 2021-04-20 | Lumus Ltd. | Optical systems including light-guide optical elements with two-dimensional expansion |
WO2020261279A1 (en) | 2019-06-27 | 2020-12-30 | Lumus Ltd. | Apparatus and methods for eye tracking based on eye imaging via a light-guide optical element |
EP3994517B1 (en) | 2019-07-04 | 2023-09-13 | Lumus Ltd. | Image waveguide with symmetric beam multiplication |
MX2022006238A (es) | 2019-12-05 | 2022-06-22 | Lumus Ltd | Elemento optico de guia de luz que utiliza reflectores parciales complementarios recubiertos y elemento optico de guia de luz con dispersion de luz reducida. |
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 |
CN117784310A (zh) | 2020-05-24 | 2024-03-29 | 鲁姆斯有限公司 | 制造复合光导光学元件的方法、光学结构 |
DE202021104723U1 (de) | 2020-09-11 | 2021-10-18 | Lumus Ltd. | An ein optisches Lichtleiterelement gekoppelter Bildprojektor |
AU2022226493B2 (en) | 2021-02-25 | 2023-07-27 | Lumus Ltd. | Optical aperture multipliers having a rectangular waveguide |
IL313859A (en) | 2021-03-01 | 2024-08-01 | Lumus Ltd | An optical system with a compact coupling from a projector into a waveguide |
WO2022246018A1 (en) | 2021-05-19 | 2022-11-24 | Lumus Ltd. | Active optical engine |
KR102676604B1 (ko) | 2021-07-04 | 2024-06-18 | 루머스 리미티드 | 시야의 다양한 부분을 제공하는 적층형 도광 요소를 갖는 디스플레이 |
WO2023026266A1 (en) | 2021-08-23 | 2023-03-02 | Lumus Ltd. | Methods of fabrication of compound light-guide optical elements having embedded coupling-in reflectors |
Family Cites Families (13)
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 |
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 |
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 |
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 |
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 |
US4571628A (en) * | 1984-03-23 | 1986-02-18 | Thirstol Thornton | Portable video viewing assembly |
-
1984
- 1984-06-20 US US06/622,528 patent/US4715684A/en not_active Expired - Fee Related
-
1985
- 1985-06-10 KR KR1019860700092A patent/KR900000333B1/ko not_active IP Right Cessation
- 1985-06-10 DE DE8585903146T patent/DE3579226D1/de not_active Expired - Lifetime
- 1985-06-10 JP JP60502782A patent/JPS61502494A/ja active Pending
- 1985-06-10 WO PCT/US1985/001099 patent/WO1986000485A1/en active IP Right Grant
- 1985-06-10 EP EP85903146A patent/EP0185737B1/en not_active Expired - Lifetime
- 1985-06-13 IL IL75517A patent/IL75517A0/xx not_active IP Right Cessation
-
1986
- 1986-02-19 NO NO86860631A patent/NO171040C/no unknown
-
1990
- 1990-08-27 JP JP1990088441U patent/JPH0535383Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3579226D1 (de) | 1990-09-20 |
KR900000333B1 (ko) | 1990-01-25 |
EP0185737A1 (en) | 1986-07-02 |
EP0185737B1 (en) | 1990-08-16 |
WO1986000485A1 (en) | 1986-01-16 |
JPH0331714U (ro) | 1991-03-27 |
NO171040C (no) | 1993-01-13 |
KR860700201A (ko) | 1986-03-31 |
US4715684A (en) | 1987-12-29 |
JPH0535383Y2 (ro) | 1993-09-08 |
NO860631L (no) | 1986-02-19 |
JPS61502494A (ja) | 1986-10-30 |
NO171040B (no) | 1992-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RH | Patent void |