CN100388122C - 减弱了亮斑的背投影屏 - Google Patents

减弱了亮斑的背投影屏 Download PDF

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Publication number
CN100388122C
CN100388122C CNB008194750A CN00819475A CN100388122C CN 100388122 C CN100388122 C CN 100388122C CN B008194750 A CNB008194750 A CN B008194750A CN 00819475 A CN00819475 A CN 00819475A CN 100388122 C CN100388122 C CN 100388122C
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CN
China
Prior art keywords
screen
layer
screen assembly
light
speck
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
CNB008194750A
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English (en)
Chinese (zh)
Other versions
CN1452729A (zh
Inventor
A·佩波尔
T·格里林
R·莫斯莱弗扎德耶
P·托马斯
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of CN1452729A publication Critical patent/CN1452729A/zh
Application granted granted Critical
Publication of CN100388122C publication Critical patent/CN100388122C/zh
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    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
CNB008194750A 2000-04-26 2000-09-05 减弱了亮斑的背投影屏 Expired - Fee Related CN100388122C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/560,267 US6466368B1 (en) 2000-04-26 2000-04-26 Rear projection screen with reduced speckle
US09/560,267 2000-04-26

Publications (2)

Publication Number Publication Date
CN1452729A CN1452729A (zh) 2003-10-29
CN100388122C true CN100388122C (zh) 2008-05-14

Family

ID=24237054

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008194750A Expired - Fee Related CN100388122C (zh) 2000-04-26 2000-09-05 减弱了亮斑的背投影屏

Country Status (7)

Country Link
US (1) US6466368B1 (OSRAM)
EP (1) EP1277084A1 (OSRAM)
JP (1) JP2003533713A (OSRAM)
KR (1) KR100652081B1 (OSRAM)
CN (1) CN100388122C (OSRAM)
AU (1) AU2000271059A1 (OSRAM)
WO (1) WO2001081996A1 (OSRAM)

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EP2615502B1 (en) 2010-09-08 2019-11-06 Dai Nippon Printing Co., Ltd. Illumination apparatus, projection apparatus, and projection video display apparatus
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US9411180B2 (en) * 2011-02-28 2016-08-09 Corning Incorporated Apparatus and method for determining sparkle
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KR102604648B1 (ko) * 2012-10-10 2023-11-21 코닝 인코포레이티드 감소된 번쩍임 현상을 제공하는 눈부심 방지층을 갖춘 디스플레이 장치
US9992463B2 (en) 2013-03-14 2018-06-05 3M Innovative Properties Company Alignments for a projection system with a shaped projection screen using alignment content
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US9176370B1 (en) * 2014-06-12 2015-11-03 Google Inc. High contrast rear projection screen
US9250508B1 (en) 2014-11-17 2016-02-02 Google Inc. Rear projection screen with pin-hole concentrator array
US9256115B1 (en) * 2014-12-29 2016-02-09 Google Inc. Dual sided lens array using clear beads
WO2016127039A2 (en) 2015-02-06 2016-08-11 The Board Of Trustees Of The Leland Stanford Junior University High-resolution optical molecular imaging systems, compositions, and methods
US9519206B1 (en) 2015-06-25 2016-12-13 X Development Llc High contrast projection screen with stray light rejection
US9772550B2 (en) 2015-08-04 2017-09-26 X Development Llc Apparatus, system and method for mitigating contrast artifacts at an overlap region of a projected image
US10482525B2 (en) 2015-08-25 2019-11-19 Keenwawa, Inc. Computer systems and methods for processing and managing product orders
US20180299251A1 (en) * 2015-10-19 2018-10-18 The Board Of Trustees Of The Leland Stanford Junior University Methods and apparatus for speckle-free optical coherence imaging
JP6638503B2 (ja) * 2016-03-22 2020-01-29 大日本印刷株式会社 反射スクリーン、映像表示システム
CN106152017A (zh) * 2016-08-16 2016-11-23 上海小糸车灯有限公司 汽车制动灯的配光方法
KR20180077733A (ko) * 2016-12-29 2018-07-09 엘에스산전 주식회사 태양전지 모듈용 보호 유리 및 그 제조방법
US10620447B2 (en) 2017-01-19 2020-04-14 Cognex Corporation System and method for reduced-speckle laser line generation
CN110083005A (zh) * 2018-01-23 2019-08-02 台湾扬昕股份有限公司 背投屏幕
CN208110256U (zh) * 2018-03-21 2018-11-16 中强光电股份有限公司 背投影幕
WO2019191469A1 (en) * 2018-03-28 2019-10-03 Keenwawa, Inc. Real-time processing and managing of product orders

Citations (4)

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US3902787A (en) * 1974-04-17 1975-09-02 Action Films Rear projection viewing screen
US5563783A (en) * 1992-05-13 1996-10-08 The Trustees Of Columbia University In The City Of New York Method and system for securities pool allocation
CN1151215A (zh) * 1994-05-12 1997-06-04 菲利浦电子有限公司 带有透镜体前表面的前投影屏幕
US5760955A (en) * 1995-04-06 1998-06-02 Philips Electronics North America Corporation Rear projection screen with reduced speckle

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Also Published As

Publication number Publication date
AU2000271059A1 (en) 2001-11-07
KR20030062231A (ko) 2003-07-23
KR100652081B1 (ko) 2006-11-30
WO2001081996A1 (en) 2001-11-01
JP2003533713A (ja) 2003-11-11
US6466368B1 (en) 2002-10-15
CN1452729A (zh) 2003-10-29
EP1277084A1 (en) 2003-01-22

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