DE69214228T2 - Bildprojektor mit optimierter Lichtausbeute - Google Patents
Bildprojektor mit optimierter LichtausbeuteInfo
- Publication number
- DE69214228T2 DE69214228T2 DE69214228T DE69214228T DE69214228T2 DE 69214228 T2 DE69214228 T2 DE 69214228T2 DE 69214228 T DE69214228 T DE 69214228T DE 69214228 T DE69214228 T DE 69214228T DE 69214228 T2 DE69214228 T2 DE 69214228T2
- Authority
- DE
- Germany
- Prior art keywords
- light output
- image projector
- optimized light
- optimized
- projector
- 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.)
- Expired - Fee Related
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
- G02B27/1006—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
- G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive 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
- G02B27/1006—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
- G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
- G02B27/1053—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators having a single light modulator for all colour channels
-
- 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
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
-
- 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
- G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
-
- 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
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9109997A FR2680882B1 (fr) | 1991-08-06 | 1991-08-06 | Projecteur d'images a efficacite lumineuse orptimisee. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69214228D1 DE69214228D1 (de) | 1996-11-07 |
DE69214228T2 true DE69214228T2 (de) | 1997-02-06 |
Family
ID=9415970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69214228T Expired - Fee Related DE69214228T2 (de) | 1991-08-06 | 1992-08-04 | Bildprojektor mit optimierter Lichtausbeute |
Country Status (5)
Country | Link |
---|---|
US (1) | US5272496A (de) |
EP (1) | EP0527084B1 (de) |
JP (1) | JP3170356B2 (de) |
DE (1) | DE69214228T2 (de) |
FR (1) | FR2680882B1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5343224A (en) * | 1992-09-22 | 1994-08-30 | Xerox Corporation | Diode laser multiple output scanning system |
JP2643755B2 (ja) * | 1993-02-26 | 1997-08-20 | 株式会社日立製作所 | 液晶ディスプレイ |
FR2707447B1 (fr) * | 1993-07-09 | 1995-09-01 | Thomson Csf | Dispositif de visualisation couleurs. |
JPH07104295A (ja) * | 1993-10-06 | 1995-04-21 | Nippon Avionics Co Ltd | フィールド順次カラー液晶プロジェクタ |
FR2711878B1 (fr) * | 1993-10-29 | 1995-12-15 | Thomson Csf | Dispositif de visualisation couleurs et procédé de réalisation. |
JPH07294850A (ja) * | 1994-04-22 | 1995-11-10 | Canon Inc | 照明装置及びそれを用いた投影装置 |
EP0714504B1 (de) * | 1994-06-17 | 1999-03-03 | Thomson-Csf | Flüssigkristallprojektor mit holographischer filtervorrichtung |
FR2722319B1 (fr) * | 1994-07-08 | 1996-08-14 | Thomson Csf | Dispositif de visualisation couleurs |
WO1996019900A1 (fr) * | 1994-12-22 | 1996-06-27 | Thomson-Csf | Projecteur video a cristaux liquides |
DE69532660T2 (de) * | 1994-12-28 | 2005-02-10 | Seiko Epson Corp. | Polarisations-Beleuchtungsvorrichtung und diese verwendender Projektor |
JP2738324B2 (ja) * | 1995-01-23 | 1998-04-08 | 日本電気株式会社 | 投写型液晶表示装置 |
FR2732783B1 (fr) * | 1995-04-07 | 1997-05-16 | Thomson Csf | Dispositif compact de retroprojection |
US5757547A (en) * | 1995-04-24 | 1998-05-26 | Polycom, Inc. | High efficiency homogeneous polarization converter |
IL113796A0 (en) * | 1995-05-19 | 1995-08-31 | Unic View Ltd | Projector |
JPH09146061A (ja) * | 1995-11-17 | 1997-06-06 | Matsushita Electric Ind Co Ltd | 液晶プロジェクション装置 |
FR2751398B1 (fr) * | 1996-07-16 | 1998-08-28 | Thomson Csf | Dispositif d'eclairage et application a l'eclairage d'un ecran transmissif |
US5975703A (en) | 1996-09-30 | 1999-11-02 | Digital Optics International | Image projection system |
US6356322B1 (en) * | 1996-09-30 | 2002-03-12 | Fuji Photo Film Co., Ltd. | Liquid crystal display system with improved contrast and less dependence on visual angle |
FR2755530B1 (fr) * | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif de visualisation et ecran plat de television utilisant ce dispositif |
FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
US6050689A (en) * | 1997-07-18 | 2000-04-18 | Kabushiki Kaisha Toshiba | Projection type display apparatus |
US5973833A (en) * | 1997-08-29 | 1999-10-26 | Lightware, Inc. | High efficiency polarizing converter |
EP0901031B1 (de) * | 1997-09-05 | 2004-10-13 | Sharp Kabushiki Kaisha | Dunkelfeld-Projektionsanzeigegerät |
US6536903B2 (en) * | 2001-05-29 | 2003-03-25 | Aurora Systems, Inc. | System and method for improving contrast in an electro-optical imaging system |
TWI289708B (en) | 2002-12-25 | 2007-11-11 | Qualcomm Mems Technologies Inc | Optical interference type color display |
US7342705B2 (en) | 2004-02-03 | 2008-03-11 | Idc, Llc | Spatial light modulator with integrated optical compensation structure |
US7630123B2 (en) | 2004-09-27 | 2009-12-08 | Qualcomm Mems Technologies, Inc. | Method and device for compensating for color shift as a function of angle of view |
US8872085B2 (en) | 2006-10-06 | 2014-10-28 | Qualcomm Mems Technologies, Inc. | Display device having front illuminator with turning features |
EP2366943B1 (de) | 2006-10-06 | 2013-04-17 | Qualcomm Mems Technologies, Inc. | Beleuchtungseinrichtung einer Anzeigevorrichtung mit darin integrierter Struktur zur Erzeugung optischer Verluste |
WO2008045463A2 (en) | 2006-10-10 | 2008-04-17 | Qualcomm Mems Technologies, Inc. | Display device with diffractive optics |
US7573579B2 (en) * | 2006-10-12 | 2009-08-11 | Duke University | Coded aperture imaging photopolarimetry |
US8068710B2 (en) | 2007-12-07 | 2011-11-29 | Qualcomm Mems Technologies, Inc. | Decoupled holographic film and diffuser |
US8721149B2 (en) | 2008-01-30 | 2014-05-13 | Qualcomm Mems Technologies, Inc. | Illumination device having a tapered light guide |
EP2247978A4 (de) | 2008-01-30 | 2012-12-26 | Qualcomm Mems Technologies Inc | Dünnes beleuchtungssystem |
US8979349B2 (en) | 2009-05-29 | 2015-03-17 | Qualcomm Mems Technologies, Inc. | Illumination devices and methods of fabrication thereof |
US8902484B2 (en) | 2010-12-15 | 2014-12-02 | Qualcomm Mems Technologies, Inc. | Holographic brightness enhancement film |
CN114200679B (zh) * | 2021-11-17 | 2024-03-26 | 小派科技(上海)有限责任公司 | 光学模组/系统、显示装置、头戴式显示设备和显示系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4650286A (en) * | 1983-09-27 | 1987-03-17 | Hughes Aircraft Company | Liquid crystal light value color projector |
WO1985001630A1 (en) * | 1983-09-27 | 1985-04-11 | Hughes Aircraft Company | A novel liquid crystal light valve color projector |
US5105265A (en) * | 1988-01-25 | 1992-04-14 | Casio Computer Co., Ltd. | Projector apparatus having three liquid crystal panels |
NL8801348A (nl) * | 1988-05-26 | 1989-12-18 | Philips Nv | Belichtingsstelsel. |
JPH0239084A (ja) * | 1988-07-29 | 1990-02-08 | Citizen Watch Co Ltd | 画像投影装置 |
US5042921A (en) * | 1988-10-25 | 1991-08-27 | Casio Computer Co., Ltd. | Liquid crystal display apparatus |
US4913529A (en) * | 1988-12-27 | 1990-04-03 | North American Philips Corp. | Illumination system for an LCD display system |
NL8901077A (nl) * | 1989-04-28 | 1990-11-16 | Koninkl Philips Electronics Nv | Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel. |
JPH03221917A (ja) * | 1990-01-29 | 1991-09-30 | Nippon Hoso Kyokai <Nhk> | 画像表示装置 |
JP2915467B2 (ja) * | 1990-02-22 | 1999-07-05 | キヤノン株式会社 | 液晶プロジェクタ |
FR2665773B1 (fr) * | 1990-08-10 | 1993-08-20 | Thomson Csf | Dispositif de projection d'images utilisant deux composantes orthogonales de polarisation de la lumiere. |
US5153621A (en) * | 1991-10-31 | 1992-10-06 | Nview Corporation | Optical system for projecting multiple images in adjoining relation without illuminance discontinuities |
-
1991
- 1991-08-06 FR FR9109997A patent/FR2680882B1/fr not_active Expired - Fee Related
-
1992
- 1992-07-31 US US07/922,499 patent/US5272496A/en not_active Expired - Fee Related
- 1992-08-04 EP EP92402223A patent/EP0527084B1/de not_active Expired - Lifetime
- 1992-08-04 DE DE69214228T patent/DE69214228T2/de not_active Expired - Fee Related
- 1992-08-06 JP JP21042692A patent/JP3170356B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3170356B2 (ja) | 2001-05-28 |
FR2680882A1 (fr) | 1993-03-05 |
EP0527084B1 (de) | 1996-10-02 |
FR2680882B1 (fr) | 1993-10-29 |
JPH05210080A (ja) | 1993-08-20 |
EP0527084A1 (de) | 1993-02-10 |
US5272496A (en) | 1993-12-21 |
DE69214228D1 (de) | 1996-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |