CA2058529A1 - Projecteur utilisant un hologramme - Google Patents
Projecteur utilisant un hologrammeInfo
- Publication number
- CA2058529A1 CA2058529A1 CA2058529A CA2058529A CA2058529A1 CA 2058529 A1 CA2058529 A1 CA 2058529A1 CA 2058529 A CA2058529 A CA 2058529A CA 2058529 A CA2058529 A CA 2058529A CA 2058529 A1 CA2058529 A1 CA 2058529A1
- Authority
- CA
- Canada
- Prior art keywords
- beams
- modulated
- color
- radiation
- modulating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
- G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective spatial light modulators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1086—Beam splitting or combining systems operating by diffraction only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Holo Graphy (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2-415261 | 1990-12-27 | ||
JP2415261A JP2810241B2 (ja) | 1990-12-27 | 1990-12-27 | ホログラムを用いた投射型表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2058529A1 true CA2058529A1 (fr) | 1992-06-28 |
CA2058529C CA2058529C (fr) | 1995-10-10 |
Family
ID=18523640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002058529A Expired - Fee Related CA2058529C (fr) | 1990-12-27 | 1991-12-24 | Projecteur utilisant un hologramme |
Country Status (5)
Country | Link |
---|---|
US (1) | US5404234A (fr) |
EP (1) | EP0492640B1 (fr) |
JP (1) | JP2810241B2 (fr) |
CA (1) | CA2058529C (fr) |
DE (1) | DE69131418T2 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2691549A1 (fr) * | 1992-05-22 | 1993-11-26 | Thomson Csf | Séparateur chromatique de lumière et projecteur d'image utilisant un tel séparateur. |
JPH07294866A (ja) * | 1994-04-27 | 1995-11-10 | Mitsubishi Electric Corp | プロジェクタ装置 |
US5729306A (en) * | 1994-09-30 | 1998-03-17 | Sharp Kabushiki Kaisha | Light splitting and synthesizing device and liquid crystal display apparatus including the same |
US5886675A (en) * | 1995-07-05 | 1999-03-23 | Physical Optics Corporation | Autostereoscopic display system with fan-out multiplexer |
US5897190A (en) * | 1995-09-13 | 1999-04-27 | Victor Company Of Japan, Ltd. | Illumination optical system, projection optical system and display apparatus using the same |
US5605390A (en) * | 1996-01-25 | 1997-02-25 | Sarif, Inc. | Optical projector |
US5748379A (en) * | 1996-08-20 | 1998-05-05 | Delta America Ltd. | Optical engines for tricolor projectors having co-planar like optical elements |
US5760964A (en) * | 1996-08-20 | 1998-06-02 | Delta America Ltd. | Optical engine for tricolor projectors |
FR2759468B1 (fr) * | 1997-02-07 | 1999-04-23 | Corning Inc | Dispositif holographique de formation de faisceaux de lumiere de compositions spectrales predeterminees et projecteur d'images video comprenant un tel dispositif |
US6323896B1 (en) * | 1997-02-07 | 2001-11-27 | Corning Precision Lens | Holographic device for formation of light beams with predetermined spectral compositions and projector of video images containing such a device |
US6775264B1 (en) | 1997-03-03 | 2004-08-10 | Webley Systems, Inc. | Computer, internet and telecommunications based network |
US6727937B1 (en) * | 1997-04-15 | 2004-04-27 | Corning Incorporated | Holographic device for formation of colored, polarized and angularly separated light beams and video image projector which utilizes it |
US6010221A (en) * | 1997-05-22 | 2000-01-04 | Nikon Corporation | Projection type display apparatus |
US6082862A (en) * | 1998-10-16 | 2000-07-04 | Digilens, Inc. | Image tiling technique based on electrically switchable holograms |
US6542134B1 (en) * | 1999-03-24 | 2003-04-01 | Intel Corporation | Projection system |
KR100440959B1 (ko) * | 2001-11-08 | 2004-07-21 | 삼성전자주식회사 | 조명계 및 이를 채용한 프로젝션 시스템 |
JP3653492B2 (ja) * | 2001-11-19 | 2005-05-25 | 三洋電機株式会社 | 単板型映像表示装置 |
KR100878532B1 (ko) * | 2002-08-24 | 2009-01-13 | 삼성전자주식회사 | 고효율 프로젝션 시스템 |
JP5048724B2 (ja) * | 2009-07-15 | 2012-10-17 | 日本分光株式会社 | ホログラフィック・ノッチフィルターの製造方法、及びその方法によって製造されたホログラフィック・ノッチフィルター |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3622220A (en) * | 1969-10-08 | 1971-11-23 | Bell Telephone Labor Inc | Holographic optical polarizers and beam splitters |
JPS5342043A (en) * | 1976-09-28 | 1978-04-17 | Nec Corp | Optical multichannel system |
JPS5455456A (en) * | 1977-10-12 | 1979-05-02 | Canon Inc | Method of composing and separating plural beams |
JPS6113885A (ja) * | 1984-06-29 | 1986-01-22 | Sony Corp | 投射型画像表示装置 |
US4850685A (en) * | 1984-10-22 | 1989-07-25 | Seiko Epson Corporation | Projection-type color display device |
US4864390A (en) * | 1986-08-22 | 1989-09-05 | North American Philips Corporation | Display system with equal path lengths |
US4989076A (en) * | 1987-01-27 | 1991-01-29 | Canon Kabushiki Kaisha | Video projection apparatus |
JP2556020B2 (ja) * | 1987-02-06 | 1996-11-20 | 日本電装株式会社 | ホログラムを用いた表示装置 |
US4786146A (en) * | 1987-02-11 | 1988-11-22 | Hughes Aircraft Company | Color sequential illumination system for a liquid crystal light valve |
EP0287034B1 (fr) * | 1987-04-14 | 1995-01-18 | Seiko Epson Corporation | Dispositif d'affichage à cristal liquide en couleurs par projection |
DE3720375A1 (de) * | 1987-06-19 | 1988-12-29 | Fraunhofer Ges Forschung | Projektionsvorrichtung |
US4930847A (en) * | 1987-07-09 | 1990-06-05 | Environmental Research Institute Of Michigan | Multicolor holographic element and apparatus for head-up display applications |
GB8822120D0 (en) | 1988-09-20 | 1988-12-14 | Pilkington Perkin Elmer Ltd | Optical display apparatus |
US5042921A (en) * | 1988-10-25 | 1991-08-27 | Casio Computer Co., Ltd. | Liquid crystal display apparatus |
JPH02308294A (ja) * | 1989-05-24 | 1990-12-21 | Kyocera Corp | ホログラム素子 |
-
1990
- 1990-12-27 JP JP2415261A patent/JP2810241B2/ja not_active Expired - Fee Related
-
1991
- 1991-12-23 US US07/812,635 patent/US5404234A/en not_active Expired - Fee Related
- 1991-12-24 CA CA002058529A patent/CA2058529C/fr not_active Expired - Fee Related
- 1991-12-27 EP EP91122282A patent/EP0492640B1/fr not_active Expired - Lifetime
- 1991-12-27 DE DE69131418T patent/DE69131418T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69131418T2 (de) | 2000-03-30 |
EP0492640B1 (fr) | 1999-07-07 |
JP2810241B2 (ja) | 1998-10-15 |
DE69131418D1 (de) | 1999-08-12 |
JPH04232904A (ja) | 1992-08-21 |
US5404234A (en) | 1995-04-04 |
CA2058529C (fr) | 1995-10-10 |
EP0492640A1 (fr) | 1992-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |