KR100517427B1 - 가장자리 대 중심부간 변화 특성을 갖는 홀로그래픽 스크린이 구비된 투사형 텔레비전 - Google Patents

가장자리 대 중심부간 변화 특성을 갖는 홀로그래픽 스크린이 구비된 투사형 텔레비전 Download PDF

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Publication number
KR100517427B1
KR100517427B1 KR10-1999-7006795A KR19997006795A KR100517427B1 KR 100517427 B1 KR100517427 B1 KR 100517427B1 KR 19997006795 A KR19997006795 A KR 19997006795A KR 100517427 B1 KR100517427 B1 KR 100517427B1
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KR
South Korea
Prior art keywords
screen
fresnel
image
center
projection television
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
KR10-1999-7006795A
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English (en)
Korean (ko)
Other versions
KR20000070549A (ko
Inventor
홀에스틸쏜주니어
파일웬디르네
Original Assignee
톰슨 콘슈머 일렉트로닉스, 인코포레이티드
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Publication date
Application filed by 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 filed Critical 톰슨 콘슈머 일렉트로닉스, 인코포레이티드
Publication of KR20000070549A publication Critical patent/KR20000070549A/ko
Application granted granted Critical
Publication of KR100517427B1 publication Critical patent/KR100517427B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR10-1999-7006795A 1997-01-29 1998-01-29 가장자리 대 중심부간 변화 특성을 갖는 홀로그래픽 스크린이 구비된 투사형 텔레비전 Expired - Fee Related KR100517427B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3617997P 1997-01-29 1997-01-29
US60/036,179 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
KR20000070549A KR20000070549A (ko) 2000-11-25
KR100517427B1 true KR100517427B1 (ko) 2005-09-29

Family

ID=21887094

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1999-7006795A Expired - Fee Related KR100517427B1 (ko) 1997-01-29 1998-01-29 가장자리 대 중심부간 변화 특성을 갖는 홀로그래픽 스크린이 구비된 투사형 텔레비전

Country Status (8)

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

Families Citing this family (15)

* 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
WO2016007579A1 (en) * 2014-07-10 2016-01-14 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
CN115453813B (zh) * 2021-05-19 2025-09-05 成都菲斯特科技有限公司 一种投影屏幕及投影屏幕汇聚点变化拟合方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0682625A (ja) * 1992-09-03 1994-03-25 Ricoh Co Ltd 透過型投射スクリーン及び透過型投射スクリーン用のホログラム素子作製方法

Family Cites Families (12)

* 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
EP0530269B1 (en) * 1990-05-21 1997-07-23 Nashua Corporation Microlens screens of photopolymerisable materials and methods of making the same
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
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
DK0913728T3 (da) 1993-06-14 2002-04-15 Dainippon Printing Co Ltd Projektionsskærm
EP0727056B1 (en) 1994-09-06 2002-05-08 Koninklijke Philips Electronics N.V. Rear projection screen
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0682625A (ja) * 1992-09-03 1994-03-25 Ricoh Co Ltd 透過型投射スクリーン及び透過型投射スクリーン用のホログラム素子作製方法

Also Published As

Publication number Publication date
US6437914B1 (en) 2002-08-20
DE69810490D1 (de) 2003-02-06
AU6049698A (en) 1998-08-18
JP2002514316A (ja) 2002-05-14
EP1013099A1 (en) 2000-06-28
EP1013099B1 (en) 2003-01-02
KR20000070549A (ko) 2000-11-25
DE69810490T2 (de) 2003-10-30
CN1246251A (zh) 2000-03-01
WO1998033328A1 (en) 1998-07-30

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