CA2795690C - Polarization preserving projection screen with engineered pigment and method for making same - Google Patents

Polarization preserving projection screen with engineered pigment and method for making same Download PDF

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Publication number
CA2795690C
CA2795690C CA2795690A CA2795690A CA2795690C CA 2795690 C CA2795690 C CA 2795690C CA 2795690 A CA2795690 A CA 2795690A CA 2795690 A CA2795690 A CA 2795690A CA 2795690 C CA2795690 C CA 2795690C
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CA
Canada
Prior art keywords
coating
projection screen
optical
engineered particles
particles
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
Application number
CA2795690A
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English (en)
French (fr)
Other versions
CA2795690A1 (en
Inventor
Joel Petersen
Christopher Rich
Raymond J. Lewandowski
Gary Sharp
David Coleman
Original Assignee
RealD 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 RealD Inc filed Critical RealD Inc
Publication of CA2795690A1 publication Critical patent/CA2795690A1/en
Application granted granted Critical
Publication of CA2795690C publication Critical patent/CA2795690C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G03B21/604—Polarised 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
    • 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
    • G03B21/602—Lenticular 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
    • 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)
  • Optical Elements Other Than Lenses (AREA)
CA2795690A 2009-12-22 2010-12-22 Polarization preserving projection screen with engineered pigment and method for making same Active CA2795690C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28934309P 2009-12-22 2009-12-22
US61/289,343 2009-12-22
PCT/US2010/061944 WO2011087873A2 (en) 2009-12-22 2010-12-22 Polarization preserving projection screen with engineered pigment and method for making same

Publications (2)

Publication Number Publication Date
CA2795690A1 CA2795690A1 (en) 2011-07-21
CA2795690C true CA2795690C (en) 2020-06-09

Family

ID=44304911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2795690A Active CA2795690C (en) 2009-12-22 2010-12-22 Polarization preserving projection screen with engineered pigment and method for making same

Country Status (8)

Country Link
US (2) US8488240B2 (enExample)
EP (1) EP2517071B1 (enExample)
CN (1) CN102763035B (enExample)
BR (1) BR112012015479A2 (enExample)
CA (1) CA2795690C (enExample)
EA (1) EA028214B1 (enExample)
IN (1) IN2012DN05897A (enExample)
WO (1) WO2011087873A2 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8760760B2 (en) * 2010-09-30 2014-06-24 Reald Inc. Cleanable coating for projection screen
CN105579904A (zh) * 2013-06-28 2016-05-11 瑞尔D股份有限公司 定向偏振保持屏幕
US9791768B2 (en) * 2013-07-19 2017-10-17 3D-Tek Llc Projection screen
US10197905B2 (en) * 2014-01-15 2019-02-05 Lg Electronics Inc. Reflective screen, display having the same and method for manufacturing reflective screen
US11543669B2 (en) 2017-03-08 2023-01-03 Meta Platforms Technologies, Llc Wide angle variable neutral density filter
EP3642666A4 (en) 2017-07-17 2021-04-14 Gary Sharp Innovations, LLC WIDE ANGLE COMPENSATION FOR UNIAXIAL DELAY TIMERS
US11249355B2 (en) 2018-01-29 2022-02-15 Gary Sharp Innovations, Llc Color switch for reduced color cross-talk
CN112219140A (zh) 2018-01-29 2021-01-12 加里夏普创新有限责任公司 中空三通光学元件
CN115685432A (zh) 2018-03-02 2023-02-03 加里夏普创新有限责任公司 用于偏振基向量转换的延迟器堆栈对
US11226548B2 (en) * 2019-05-20 2022-01-18 Reald Polarizing preserving front projection screen with protrusions
WO2021259329A1 (zh) * 2020-06-24 2021-12-30 深圳光子晶体科技有限公司 一种具有保持投影光偏振状态的投影屏幕
CN114114499B (zh) * 2020-08-31 2024-07-19 宁波激智科技股份有限公司 一种保偏光学膜、一种保偏扩散膜及一种双面雾保偏扩散膜
TWI892340B (zh) * 2023-12-05 2025-08-01 財團法人工業技術研究院 透明投影膜結構

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524286A (en) * 1946-05-14 1950-10-03 John F Dreyer Flexible noncrystalline self-contained polarizing films and methods of making and using the same
US3652317A (en) * 1970-05-01 1972-03-28 Getters Spa Method of producing substrate having a particulate metallic coating
US3754811A (en) * 1971-12-13 1973-08-28 Eastman Kodak Co Projection screen
US3975304A (en) * 1972-05-03 1976-08-17 S.A.E.S. Getters S.P.A. Coating a substrate with soft particles
US5672410A (en) 1992-05-11 1997-09-30 Avery Dennison Corporation Embossed metallic leafing pigments
US5631064A (en) * 1995-09-15 1997-05-20 Minnesota Mining And Manufacturing Company Retroreflective transfer sheet and applique
GB9524220D0 (en) 1995-11-27 1996-01-31 Nashua Corp Improvements in or relating to projection screens and the like
US6144491A (en) * 1996-02-29 2000-11-07 Dai Nippon Printing Co., Ltd. Reflection-type projection screen
JPH10104747A (ja) * 1996-09-30 1998-04-24 Dainippon Printing Co Ltd 反射型映写スクリーン
JPH10206973A (ja) * 1997-01-20 1998-08-07 Nitto Denko Corp 透過型スクリーン
US6150022A (en) 1998-12-07 2000-11-21 Flex Products, Inc. Bright metal flake based pigments
US6369944B1 (en) * 1999-07-12 2002-04-09 Nashua Corporation Diffuser-coated projection screen element and method of manufacture
US6804053B2 (en) * 1999-12-22 2004-10-12 Kimoto Co., Ltd. See-through light transmitting type screen
JP3993980B2 (ja) * 1999-12-22 2007-10-17 株式会社きもと 透視可能な透過型スクリーン
WO2002010804A1 (en) * 2000-07-31 2002-02-07 Rochester Photonics Corporation Structure screens for controlled spreading of light
US7068427B2 (en) * 2003-09-03 2006-06-27 Diy Theatre, Llc Projection screens, methods for forming a projection screen and projection screen kits
JP2008151815A (ja) * 2006-12-14 2008-07-03 Fujitsu General Ltd 透過型スクリーン及びこれを備えた背面投写型表示装置
KR101939935B1 (ko) * 2008-01-28 2019-01-17 리얼디 인크. 편광 보존 전면 투사 스크린
WO2011087872A2 (en) 2009-12-22 2011-07-21 Reald Inc. Polarization preserving projection screen with engineered particle and method for making same

Also Published As

Publication number Publication date
EA201200941A1 (ru) 2012-12-28
IN2012DN05897A (enExample) 2015-09-18
EP2517071B1 (en) 2019-05-22
EP2517071A2 (en) 2012-10-31
WO2011087873A3 (en) 2011-11-10
EP2517071A4 (en) 2016-04-20
US8488240B2 (en) 2013-07-16
WO2011087873A2 (en) 2011-07-21
US9110363B2 (en) 2015-08-18
CN102763035B (zh) 2015-06-17
CA2795690A1 (en) 2011-07-21
CN102763035A (zh) 2012-10-31
BR112012015479A2 (pt) 2017-09-05
US20130301122A1 (en) 2013-11-14
EA028214B1 (ru) 2017-10-31
US20120206800A1 (en) 2012-08-16

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