DE602005001720D1 - Beleuchtungssystem mit Anordnung zur Polarisationswandlung - Google Patents
Beleuchtungssystem mit Anordnung zur PolarisationswandlungInfo
- Publication number
- DE602005001720D1 DE602005001720D1 DE602005001720T DE602005001720T DE602005001720D1 DE 602005001720 D1 DE602005001720 D1 DE 602005001720D1 DE 602005001720 T DE602005001720 T DE 602005001720T DE 602005001720 T DE602005001720 T DE 602005001720T DE 602005001720 D1 DE602005001720 D1 DE 602005001720D1
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- illumination system
- polarization conversion
- polarization
- conversion
- 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.)
- Active
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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
- G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2073—Polarisers in the lamp house
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56237004P | 2004-04-15 | 2004-04-15 | |
US562370P | 2004-04-15 | ||
US56974604P | 2004-05-10 | 2004-05-10 | |
US569746P | 2004-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602005001720D1 true DE602005001720D1 (de) | 2007-09-06 |
DE602005001720T2 DE602005001720T2 (de) | 2008-04-30 |
Family
ID=34935253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005001720T Active DE602005001720T2 (de) | 2004-04-15 | 2005-04-15 | Beleuchtungssystem mit Anordnung zur Polarisationswandlung |
Country Status (5)
Country | Link |
---|---|
US (1) | US7387388B2 (de) |
EP (1) | EP1596228B1 (de) |
JP (1) | JP2005301281A (de) |
CN (1) | CN1683992A (de) |
DE (1) | DE602005001720T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4100276B2 (ja) * | 2003-07-04 | 2008-06-11 | セイコーエプソン株式会社 | 照明装置及びプロジェクタ |
FR2872588A1 (fr) * | 2004-07-02 | 2006-01-06 | Thomson Licensing Sa | Systeme d'illumination pour imageur et projecteur correspondant |
EP1873573A1 (de) * | 2006-06-28 | 2008-01-02 | JDS Uniphase Corporation | Platte zur Polarisationsrückgewinnung |
KR101625495B1 (ko) | 2006-09-29 | 2016-05-30 | 리얼디 인크. | 입체 투사를 위한 편광 변환 시스템들 |
EP2145215B1 (de) | 2007-05-09 | 2019-10-23 | RealD Inc. | Polarisationsumwandlungssystem und verfahren zur stereoskopischen projektion |
JP4329852B2 (ja) * | 2007-07-11 | 2009-09-09 | セイコーエプソン株式会社 | 偏光変換ユニット、偏光変換装置、およびプロジェクタ |
US9074852B2 (en) * | 2007-11-12 | 2015-07-07 | The Boeing Company | Surveillance image denial verification |
JP5930600B2 (ja) * | 2011-04-08 | 2016-06-08 | キヤノン株式会社 | 偏光分離素子および画像投射装置 |
TWI442097B (zh) | 2012-02-22 | 2014-06-21 | Delta Electronics Inc | 用於一投影裝置之極化轉換元件組及投影裝置 |
JP6290523B2 (ja) * | 2012-03-02 | 2018-03-07 | セイコーエプソン株式会社 | プロジェクター |
TWI446094B (zh) | 2012-04-17 | 2014-07-21 | Delta Electronics Inc | 用於一投影裝置之光源系統及投影裝置 |
WO2015073838A1 (en) | 2013-11-15 | 2015-05-21 | Reald Inc. | High dynamic range, high contrast projection systems |
US10175564B2 (en) | 2016-12-01 | 2019-01-08 | Magic Leap, Inc. | Projector with scanning array light engine |
CN110618480B (zh) * | 2019-09-26 | 2021-04-13 | 上海科乃特激光科技有限公司 | 一种90°偏转的光学元件、其使用方法及应用 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045133A (en) | 1975-06-13 | 1977-08-30 | Rca Corporation | Analog optical block processor |
JP3697013B2 (ja) | 1997-02-19 | 2005-09-21 | キヤノン株式会社 | 照明装置及びそれを用いた投影装置 |
US6343862B1 (en) * | 1998-11-20 | 2002-02-05 | Minolta Co., Ltd. | Projecting image display device |
EP1410076A4 (de) | 2000-04-25 | 2008-10-01 | Honeywell Int Inc | Hohlraum-lichtleiter zur verteilung von kollimiertem licht auf eine flüssigkristallanzeige |
JP2004519010A (ja) | 2001-02-05 | 2004-06-24 | ウェイビエン・インコーポレイテッド | テーパ光パイプを用いた投影ディスプレイ用の照明エンジン |
US6839095B2 (en) * | 2002-05-17 | 2005-01-04 | Infocus Corporation | Single-path color video projection systems employing reflective liquid crystal display devices |
JP4120414B2 (ja) * | 2003-02-07 | 2008-07-16 | 三菱電機株式会社 | 投写型表示装置及び画像信号の変換方法 |
KR20050025538A (ko) * | 2003-09-08 | 2005-03-14 | 삼성전자주식회사 | 조명장치 |
-
2005
- 2005-04-11 US US11/103,154 patent/US7387388B2/en not_active Expired - Fee Related
- 2005-04-12 JP JP2005114358A patent/JP2005301281A/ja active Pending
- 2005-04-15 DE DE602005001720T patent/DE602005001720T2/de active Active
- 2005-04-15 CN CNA2005100645727A patent/CN1683992A/zh active Pending
- 2005-04-15 EP EP05008321A patent/EP1596228B1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005301281A (ja) | 2005-10-27 |
EP1596228A1 (de) | 2005-11-16 |
CN1683992A (zh) | 2005-10-19 |
DE602005001720T2 (de) | 2008-04-30 |
US7387388B2 (en) | 2008-06-17 |
US20050231690A1 (en) | 2005-10-20 |
EP1596228B1 (de) | 2007-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |