HK44496A - A projection screen having high resolution and good mechanical stability - Google Patents

A projection screen having high resolution and good mechanical stability Download PDF

Info

Publication number
HK44496A
HK44496A HK44496A HK44496A HK44496A HK 44496 A HK44496 A HK 44496A HK 44496 A HK44496 A HK 44496A HK 44496 A HK44496 A HK 44496A HK 44496 A HK44496 A HK 44496A
Authority
HK
Hong Kong
Prior art keywords
projection screen
screen
plate
diffusing means
substrate
Prior art date
Application number
HK44496A
Other languages
German (de)
English (en)
French (fr)
Inventor
Stewart Mc Kechnie Thomas
Forer Goldenberg Jill
Original Assignee
Koninklijke Philips Electronics N.V.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21913993&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK44496(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of HK44496A publication Critical patent/HK44496A/en

Links

Classifications

    • 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
    • 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
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Optical Elements Other Than Lenses (AREA)
HK44496A 1987-04-21 1996-03-14 A projection screen having high resolution and good mechanical stability HK44496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/040,969 US4730897A (en) 1987-04-21 1987-04-21 Projection screen having high resolution and good mechanical stability

Publications (1)

Publication Number Publication Date
HK44496A true HK44496A (en) 1996-03-22

Family

ID=21913993

Family Applications (1)

Application Number Title Priority Date Filing Date
HK44496A HK44496A (en) 1987-04-21 1996-03-14 A projection screen having high resolution and good mechanical stability

Country Status (13)

Country Link
US (1) US4730897A (cs)
EP (1) EP0288117B1 (cs)
JP (1) JP2855151B2 (cs)
KR (1) KR0131593B1 (cs)
CN (1) CN1011089B (cs)
BR (1) BR8801842A (cs)
CZ (1) CZ279986B6 (cs)
DD (1) DD281263A5 (cs)
DE (1) DE3888385T2 (cs)
DK (1) DK174583B1 (cs)
ES (1) ES2051292T3 (cs)
HK (1) HK44496A (cs)
SK (1) SK278080B6 (cs)

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* Cited by examiner, † Cited by third party
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US4964695A (en) * 1987-10-06 1990-10-23 North American Philips Corporation Lenticular arrays for front projection screens and contrast improving method and device
JPH0627921B2 (ja) * 1987-10-19 1994-04-13 三菱電機株式会社 拡大投写装置
US4927233A (en) * 1989-03-06 1990-05-22 Mitsubishi Rayon Co., Ltd. Rear projection screen
DK174788B1 (da) * 1989-05-08 2003-11-10 Dainippon Printing Co Ltd Baglysprojektionsskærm
NL8902112A (nl) * 1989-08-22 1991-03-18 Philips Nv Doorzichtprojektiescherm en doorzichtprojektiesysteem voorzien van een dergelijk scherm.
JPH03216635A (ja) * 1990-01-23 1991-09-24 Pioneer Electron Corp 投写スクリーン
US5457572A (en) * 1992-12-17 1995-10-10 Kuraray Co., Ltd. Rear-projection screen
KR0168879B1 (ko) * 1992-12-25 1999-04-15 기따지마 요시또시 렌티큘러 렌즈, 면광원 및 액정 표시 장치
JPH06273852A (ja) * 1993-03-19 1994-09-30 Matsushita Electric Ind Co Ltd 透過型キャビネットスクリーンとその製造法
US5481385A (en) * 1993-07-01 1996-01-02 Alliedsignal Inc. Direct view display device with array of tapered waveguide on viewer side
US5668662A (en) * 1994-05-12 1997-09-16 Philips Electronics North America Corporation Front projection screen with lenticular front surface
US5521726A (en) * 1994-08-26 1996-05-28 Alliedsignal Inc. Polarizer with an array of tapered waveguides
US5657408A (en) * 1994-12-23 1997-08-12 Alliedsignal Inc. Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein
US5760955A (en) * 1995-04-06 1998-06-02 Philips Electronics North America Corporation Rear projection screen with reduced speckle
US5697687A (en) * 1995-04-21 1997-12-16 Thomson Consumer Electronics, Inc. Projection television screen mounting
JP3727094B2 (ja) * 1996-01-12 2005-12-14 株式会社きもと 液晶ディスプレイ用バックライト
JP3698515B2 (ja) * 1997-03-03 2005-09-21 三菱電機株式会社 透過形スクリーン
US6280063B1 (en) 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
JP3532393B2 (ja) * 1997-08-29 2004-05-31 大日本印刷株式会社 透過型スクリーン
US6163402A (en) 1998-06-11 2000-12-19 3M Innovative Properties Company Rear projection screen
US6449089B1 (en) 1998-03-30 2002-09-10 3M Innovative Properties Company Rear projection screen with enhanced contrast
US6307675B1 (en) * 1998-12-24 2001-10-23 Toppan Printing Co. Ltd. Rear-projection screen for use with a liquid crystal panel as a video source
US6407859B1 (en) * 1999-01-13 2002-06-18 3M Innovative Properties Company Fresnel lens for projection screen
TW418341B (en) * 1999-03-01 2001-01-11 Fresnel Optics Inc An optical element screen
US6369944B1 (en) 1999-07-12 2002-04-09 Nashua Corporation Diffuser-coated projection screen element and method of manufacture
US6359732B1 (en) * 1999-08-26 2002-03-19 Kuraray Co., Ltd. Plastic sheet for rear projection screens
US6347012B1 (en) 2000-03-06 2002-02-12 Lockheed Martin Corporation Display system with improved luminosity
US6466368B1 (en) * 2000-04-26 2002-10-15 3M Innovative Properties Company Rear projection screen with reduced speckle
US6819486B2 (en) * 2001-01-17 2004-11-16 3M Innovative Properties Company Projection screen having elongated structures
US6443579B1 (en) 2001-05-02 2002-09-03 Kenneth Myers Field-of-view controlling arrangements
US6700712B2 (en) * 2001-11-13 2004-03-02 3M Innovative Properties Company Multidirectional single surface optically shaped film
JP2004145251A (ja) * 2002-08-30 2004-05-20 Seiko Epson Corp 透過型スクリーン及びリア型プロジェクタ
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US7088509B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Laminate screen for display device
US7102820B2 (en) * 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
US7150537B2 (en) * 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
JP2004145252A (ja) * 2002-08-30 2004-05-20 Seiko Epson Corp 透過型スクリーン及びリア型プロジェクタ
WO2004104693A1 (en) * 2003-05-26 2004-12-02 Dremlyuga Anton A Projection screen and method of manufacturing thereof
US7080910B2 (en) * 2003-08-19 2006-07-25 Infocus Corporation Method and system for a thermal architecture and user adjustable keystone in a display device
US7259912B2 (en) 2004-01-06 2007-08-21 Infocus Corporation Fresnel lens having reduced distortions
JP4238757B2 (ja) * 2004-03-19 2009-03-18 セイコーエプソン株式会社 透過型スクリーンおよび投写型表示装置
TWI264578B (en) * 2005-04-22 2006-10-21 Ind Tech Res Inst Microstructure light modulation element and device
US7253953B2 (en) * 2005-08-29 2007-08-07 Stewart Filmscreen Corporation Polymer sheet for projection screen
US20090080078A1 (en) * 2007-09-24 2009-03-26 Ching-Bin Lin Optical film having light-concentrating and light-scattering structured layer
US7684118B2 (en) * 2007-11-19 2010-03-23 Entire Technology Co., Ltd. Diffusion plate and diffusion plate assembly
TWI438498B (zh) * 2009-09-01 2014-05-21 Au Optronics Corp 複合光學膜
ES2441515B1 (es) * 2013-10-22 2015-04-06 C. M. Salvi S.L. Módulo de iluminación para luminarias de tipo LED y luminaria correspondiente
US9746689B2 (en) 2015-09-24 2017-08-29 Intel Corporation Magnetic fluid optical image stabilization
US9816687B2 (en) * 2015-09-24 2017-11-14 Intel Corporation MEMS LED zoom
CN109375465A (zh) * 2018-12-18 2019-02-22 杭州鹏龙科技有限公司 胶体屏幕

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616135U (cs) * 1979-01-17 1981-02-12
US4340275A (en) * 1980-06-09 1982-07-20 General Electric Company Rear projection screen with patterned lenticular prismatic structure
JPS5995525A (ja) * 1982-11-24 1984-06-01 Mitsubishi Rayon Co Ltd 背面投影スクリ−ン
JPS59116938U (ja) * 1983-01-27 1984-08-07 大日本印刷株式会社 テレビスクリ−ン
JPS59143618A (ja) * 1983-02-04 1984-08-17 Mitsubishi Rayon Co Ltd 透過型スクリ−ンの製造方法
US4573764A (en) * 1983-12-30 1986-03-04 North American Philips Consumer Electronics Corp. Rear projection screen
JPS606935A (ja) * 1984-04-06 1985-01-14 Matsushita Electric Ind Co Ltd 透過形スクリ−ン
US4679900A (en) * 1986-06-05 1987-07-14 North American Philips Corporation Bulk diffuser for a projection television screen

Also Published As

Publication number Publication date
KR0131593B1 (ko) 1998-04-11
JPS63282728A (ja) 1988-11-18
CZ279986B6 (cs) 1995-09-13
ES2051292T3 (es) 1994-06-16
DE3888385T2 (de) 1994-09-29
DD281263A5 (de) 1990-08-01
KR880013026A (ko) 1988-11-29
CN1011089B (zh) 1991-01-02
US4730897A (en) 1988-03-15
EP0288117A2 (en) 1988-10-26
CZ273388A3 (en) 1995-05-17
SK273388A3 (en) 1995-12-06
DE3888385D1 (de) 1994-04-21
DK174583B1 (da) 2003-07-07
DK211088D0 (da) 1988-04-19
JP2855151B2 (ja) 1999-02-10
SK278080B6 (en) 1995-12-06
DK211088A (da) 1988-10-22
BR8801842A (pt) 1988-11-22
CN1031608A (zh) 1989-03-08
EP0288117A3 (en) 1989-10-18
EP0288117B1 (en) 1994-03-16

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070413