DE69810490D1 - Fernsehprojektionsgerät mit holographischen bildschirmen mit mitte-bis-rand-variationen - Google Patents

Fernsehprojektionsgerät mit holographischen bildschirmen mit mitte-bis-rand-variationen

Info

Publication number
DE69810490D1
DE69810490D1 DE69810490T DE69810490T DE69810490D1 DE 69810490 D1 DE69810490 D1 DE 69810490D1 DE 69810490 T DE69810490 T DE 69810490T DE 69810490 T DE69810490 T DE 69810490T DE 69810490 D1 DE69810490 D1 DE 69810490D1
Authority
DE
Germany
Prior art keywords
center
television projector
holographic screens
edge variations
variations
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
Application number
DE69810490T
Other languages
English (en)
Other versions
DE69810490T2 (de
Inventor
Thone Hall
Rene Pfile
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor USA Inc
Original Assignee
Thomson Multimedia Inc
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 Thomson Multimedia Inc filed Critical Thomson Multimedia Inc
Application granted granted Critical
Publication of DE69810490D1 publication Critical patent/DE69810490D1/de
Publication of DE69810490T2 publication Critical patent/DE69810490T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
DE69810490T 1997-01-29 1998-01-29 Fernsehprojektionsgerät mit holographischen bildschirmen mit mitte-bis-rand-variationen Expired - Fee Related DE69810490T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3617997P 1997-01-29 1997-01-29
PCT/US1998/001735 WO1998033328A1 (en) 1997-01-29 1998-01-29 Projection televisions with holographic screens having center to edge variations

Publications (2)

Publication Number Publication Date
DE69810490D1 true DE69810490D1 (de) 2003-02-06
DE69810490T2 DE69810490T2 (de) 2003-10-30

Family

ID=21887094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69810490T Expired - Fee Related DE69810490T2 (de) 1997-01-29 1998-01-29 Fernsehprojektionsgerät mit holographischen bildschirmen mit mitte-bis-rand-variationen

Country Status (8)

Country Link
US (1) US6437914B1 (de)
EP (1) EP1013099B1 (de)
JP (1) JP2002514316A (de)
KR (1) KR100517427B1 (de)
CN (1) CN1246251A (de)
AU (1) AU6049698A (de)
DE (1) DE69810490T2 (de)
WO (1) WO1998033328A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151163A (en) * 1997-09-10 2000-11-21 Thomson Licensing S.A. Holographic projection screen having a rear-facing fresnel lens
US6621530B1 (en) * 1998-01-29 2003-09-16 Thomson Licensing S.A. Projection televisions with mirrors incident on holographic screens
JP2002006401A (ja) * 2000-06-26 2002-01-09 Olympus Optical Co Ltd 背面投射型プロジェクタ用スクリーン
US6636646B1 (en) * 2000-07-20 2003-10-21 Eastman Kodak Company Digital image processing method and for brightness adjustment of digital images
US6970289B1 (en) * 2000-08-23 2005-11-29 Corning Incorporated Screen for rear projection display
JP2002207254A (ja) * 2001-01-09 2002-07-26 Nec Viewtechnology Ltd 背面投射型画像表示装置
US7936506B2 (en) * 2007-02-20 2011-05-03 Texas Instruments Incorporated System and method for displaying images
CN101604096A (zh) * 2008-06-13 2009-12-16 深圳Tcl新技术有限公司 显示装置及其操作方法
KR101831652B1 (ko) * 2011-09-07 2018-02-26 엘지디스플레이 주식회사 입체영상 표시장치와 그 구동방법
KR102048361B1 (ko) * 2013-02-28 2019-11-25 엘지전자 주식회사 거리 검출 장치, 및 이를 구비하는 영상처리장치
US10203661B2 (en) * 2014-07-10 2019-02-12 University Of South Florida Systems and methods for performing self-interference incoherent digital holography
CN106990665B (zh) * 2017-05-24 2022-08-19 成都菲斯特科技有限公司 一种由八种不同功能材料组成的短距离投影屏幕及其制作方法
CN109581801A (zh) * 2019-02-19 2019-04-05 威创集团股份有限公司 一种菲涅尔透镜、背投影拼接屏幕及拼接墙显示单元
CN110320738A (zh) * 2019-04-18 2019-10-11 周扬斌 透明投影膜、投影屏、投影系统及透明投影膜的制作方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960314A (en) 1988-07-05 1990-10-02 Hughes Aircraft Company Diffraction optics diffusing screen laminate for full color on-axis viewing
US5046793A (en) * 1989-05-26 1991-09-10 Litton Systems, Inc. Chromatically corrected directional diffusing screen
DE69126975T2 (de) * 1990-05-21 1997-11-27 Nashua Corp Mikrolinsen-bildschirme aus photopolymerisierbaren materialien und verfahren zur ihrer herstellung
EP0479490A3 (en) 1990-10-02 1992-08-12 Physical Optics Corporation Volume holographic diffuser
JP2911627B2 (ja) * 1991-03-27 1999-06-23 株式会社日立製作所 大画面投写形ディスプレイ
JP3340766B2 (ja) * 1992-09-03 2002-11-05 株式会社リコー 透過型投射スクリーン
WO1995034832A1 (fr) 1992-12-15 1995-12-21 Thomson-Csf Ecran de projection holographique et procede de realisation
US5448401A (en) * 1992-12-25 1995-09-05 Sony Corporation Screen of projection display
US5477380A (en) * 1993-06-14 1995-12-19 Dai Nippon Printing Co., Ltd. Projection screen
JPH09505416A (ja) * 1994-09-06 1997-05-27 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ リアープロジェクションスクリーン
US5760955A (en) * 1995-04-06 1998-06-02 Philips Electronics North America Corporation Rear projection screen with reduced speckle
US5796499A (en) * 1997-02-28 1998-08-18 Polaroid Corporation Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems
US5999281A (en) * 1997-02-28 1999-12-07 Polaroid Corporation Holographic projection screen combining an elliptical holographic diffuser and a cylindrical light-collimator

Also Published As

Publication number Publication date
DE69810490T2 (de) 2003-10-30
EP1013099A1 (de) 2000-06-28
CN1246251A (zh) 2000-03-01
US6437914B1 (en) 2002-08-20
EP1013099B1 (de) 2003-01-02
JP2002514316A (ja) 2002-05-14
WO1998033328A1 (en) 1998-07-30
KR100517427B1 (ko) 2005-09-29
AU6049698A (en) 1998-08-18
KR20000070549A (ko) 2000-11-25

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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