CA2326525A1 - Light dispersing film and method of manufacture - Google Patents

Light dispersing film and method of manufacture Download PDF

Info

Publication number
CA2326525A1
CA2326525A1 CA002326525A CA2326525A CA2326525A1 CA 2326525 A1 CA2326525 A1 CA 2326525A1 CA 002326525 A CA002326525 A CA 002326525A CA 2326525 A CA2326525 A CA 2326525A CA 2326525 A1 CA2326525 A1 CA 2326525A1
Authority
CA
Canada
Prior art keywords
layer
beads
film
recited
transparent
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.)
Abandoned
Application number
CA002326525A
Other languages
English (en)
French (fr)
Inventor
Robert S. Moshrefzadeh
Ragunath Padiyath
Richard J. Pokorny
Hsin-Hsin Chou
Jeffrey C. Chang
Colleen M. Brenner
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.)
3M Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2326525A1 publication Critical patent/CA2326525A1/en
Abandoned legal-status Critical Current

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
    • G03B21/625—Lenticular translucent screens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Laminated Bodies (AREA)
CA002326525A 1998-03-30 1999-03-24 Light dispersing film and method of manufacture Abandoned CA2326525A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5048998A 1998-03-30 1998-03-30
US09/050,489 1998-03-30
US09/192,118 US6344263B1 (en) 1998-03-30 1998-11-13 Light dispersing film and method of manufacture
US09/192,118 1998-11-13
PCT/US1999/006378 WO1999050710A1 (en) 1998-03-30 1999-03-24 Light dispersing film and method of manufacture

Publications (1)

Publication Number Publication Date
CA2326525A1 true CA2326525A1 (en) 1999-10-07

Family

ID=26728332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002326525A Abandoned CA2326525A1 (en) 1998-03-30 1999-03-24 Light dispersing film and method of manufacture

Country Status (8)

Country Link
US (2) US6344263B1 (enExample)
EP (1) EP1068558B1 (enExample)
JP (1) JP2002510067A (enExample)
KR (1) KR100606216B1 (enExample)
AU (1) AU742390B2 (enExample)
CA (1) CA2326525A1 (enExample)
DE (1) DE69913672T2 (enExample)
WO (1) WO1999050710A1 (enExample)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6600599B2 (en) 1998-06-09 2003-07-29 Avery Dennison Corporation Rear projection screens and light filters with conformable coatings and methods of making the same
KR100737229B1 (ko) * 1999-02-05 2007-07-09 후지필름 홀딩스 가부시끼가이샤 무광성 고투과율 필름, 그것을 이용한 편광판 및 액정표시장치
US6466368B1 (en) 2000-04-26 2002-10-15 3M Innovative Properties Company Rear projection screen with reduced speckle
JP4573946B2 (ja) * 2000-05-16 2010-11-04 株式会社きもと 光拡散性シート
US6535333B1 (en) 2000-11-21 2003-03-18 3M Innovative Properties Company Optical system with reduced color shift
DE60106374T2 (de) * 2000-12-06 2006-03-09 Fuji Photo Film Co. Ltd., Minamiashigara Optischer Diffusorfilm und Herstellungsverfahren dafür
US7164224B2 (en) * 2000-12-14 2007-01-16 Sharp Kabushiki Kaisha Backlight having discharge tube, reflector and heat conduction member contacting discharge tube
US6695453B2 (en) 2001-02-09 2004-02-24 Avery Dennison Corporation Rear projection screens and light filters with conformable coatings and methods of making the same
US6631030B2 (en) 2001-03-30 2003-10-07 3M Innovative Properties Company Projection screens and methods for making such projection screens
US6870670B2 (en) 2001-04-06 2005-03-22 3M Innovative Properties Company Screens and methods for displaying information
JP3686348B2 (ja) * 2001-04-10 2005-08-24 株式会社巴川製紙所 光学フィルムおよびその製造方法
US6567215B2 (en) * 2001-09-04 2003-05-20 3M Innovative Properties Company Beaded rear projection screen with tunable gain
EP1444537A2 (en) * 2001-11-09 2004-08-11 3M Innovative Properties Company Optical film with high contrast
US6939014B1 (en) * 2001-12-31 2005-09-06 Jenmar Visual Systems, Inc. Liquid transmissive filter having anisotropic properties and method of fabrication
CN100595630C (zh) * 2003-03-12 2010-03-24 艾利丹尼森公司 光透射滤光器及其制造方法
US20040217702A1 (en) * 2003-05-02 2004-11-04 Garner Sean M. Light extraction designs for organic light emitting diodes
GB0310702D0 (en) * 2003-05-09 2003-06-11 Seos Ltd Image display apparatus
US7723658B2 (en) * 2003-05-22 2010-05-25 Preh Gmbh Solar sensor having microspheres on the inside face of the protective cap
DE10323709A1 (de) * 2003-05-22 2004-12-09 Preh Gmbh Solarsensor
KR100940762B1 (ko) 2004-01-08 2010-02-11 에스케이씨하스디스플레이필름(유) 배면 투사형 스크린용 광확산 시트 및 이를 이용한 배면 투사형 스크린
US20050226590A1 (en) * 2004-04-07 2005-10-13 Patel Falgun D Variable optical attenuator based on rare earth doped glass
US7342719B1 (en) * 2004-06-25 2008-03-11 Rockwell Collins, Inc. Projection screen with reduced speckle
US7248406B2 (en) 2004-10-15 2007-07-24 Hewlett-Packard Development Company, L.P. Projection screen
KR100682905B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 단방향 투명 광학계의 제조 방법
US7453634B2 (en) * 2005-03-07 2008-11-18 Avery Dennison Corporation Discontinuous or variable thickness gain modification coating for projection film and method for making same
JP4837325B2 (ja) * 2005-07-26 2011-12-14 オリンパス株式会社 顕微鏡照明装置
KR20080099080A (ko) * 2007-05-08 2008-11-12 삼성에스디아이 주식회사 필터 및 이를 구비한 플라즈마 디스플레이 장치
KR100862554B1 (ko) 2007-05-09 2008-10-09 엘지전자 주식회사 복수의 구조체를 포함하는 광학 필름, 이를 포함하는백라이트 유닛 및 액정 표시 소자
US7923675B2 (en) 2007-06-06 2011-04-12 3M Innovative Properties Company Projection system having avirtual mask
US20090213478A1 (en) * 2007-06-15 2009-08-27 Eppendorf Ag Optically accessible cover
US8110290B2 (en) * 2008-01-31 2012-02-07 Razer (Asia-Pacific) Pte Ltd. Surface coating method
NL2002591C2 (nl) * 2009-03-04 2010-09-07 Blibblib Invest B V Projectiescherm, alsmede werkwijze voor het vervaardigen daarvan.
WO2010143109A1 (en) * 2009-06-10 2010-12-16 Koninklijke Philips Electronics N.V. Contrast enhancing device for lighting systems
WO2012021811A1 (en) 2010-08-13 2012-02-16 The Penn State Research Foundation Compact spectrometer including a diffractive optical element with dual dispersion and focusing functionality
US20120086643A1 (en) * 2010-10-07 2012-04-12 Microsoft Corporation Keyboard device with optically enhanced display output
US8705805B2 (en) 2011-01-10 2014-04-22 Peter Alexander Forrest Secure portable token and systems and methods for identification and authentication of the same
CN104145215B (zh) 2012-03-02 2016-12-14 三菱制纸株式会社 透射型屏幕
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
JP2014199340A (ja) * 2013-03-29 2014-10-23 大日本印刷株式会社 ビーズシート、透過型スクリーン、およびリアプロジェクション表示装置
TWI526505B (zh) 2014-09-11 2016-03-21 財團法人工業技術研究院 硬塗層組成物及應用其之偏光膜和顯示器
KR20180077733A (ko) * 2016-12-29 2018-07-09 엘에스산전 주식회사 태양전지 모듈용 보호 유리 및 그 제조방법
CN110007552B (zh) * 2018-12-14 2021-07-20 北京宝江科技有限公司 用于投影的透明薄膜和投影系统
CN210038821U (zh) * 2019-04-10 2020-02-07 深圳市汇顶科技股份有限公司 光学指纹识别装置和电子设备
US20240168204A1 (en) * 2021-03-16 2024-05-23 3M Innovative Properties Company Optical construction
CN116266031B (zh) * 2021-12-16 2025-09-30 宁波舜宇车载光学技术有限公司 投影膜及其制备方法、投影显示组件

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539491Y2 (ja) * 1991-10-09 1997-06-25 惠和商工株式会社 光拡散シート材
US3552822A (en) 1968-06-07 1971-01-05 Gerald Altman Rear projection screen
US3614199A (en) 1968-07-03 1971-10-19 Gerald Altman Reflex reflecting products, processes and devices useful with such products
US3758193A (en) * 1971-07-02 1973-09-11 Minnesota Mining & Mfg Infrared-transmissive, visible-light-absorptive retro-reflectors
US4328274A (en) * 1979-08-10 1982-05-04 Minnesota Mining And Manufacturing Company Transparent friction surface sheet material
DK162413C (da) 1982-06-10 1992-03-23 Dainippon Printing Co Ltd Bagfra belyst projektionsskaerm
US4715137A (en) 1986-01-31 1987-12-29 Scheve William J Illuminated display with beaded light-transmitting image
JPH0273242A (ja) 1988-09-08 1990-03-13 Asahi Chem Ind Co Ltd 光透過型スクリーン
JPH0353232A (ja) 1989-07-20 1991-03-07 Toppan Printing Co Ltd 反射形スクリーン
JPH05273651A (ja) 1992-03-25 1993-10-22 Toppan Printing Co Ltd 投映反射型スクリーン
EP0618476A1 (en) * 1993-03-31 1994-10-05 Hughes Aircraft Company Rear projection screen with off-axis sunlight rejection
US5563738A (en) 1993-09-03 1996-10-08 Jenmar Visual Systems Light transmitting and dispersing filter having low reflectance
US5731874A (en) * 1995-01-24 1998-03-24 The Board Of Trustees Of The Leland Stanford Junior University Discrete wavelength spectrometer
JPH0996870A (ja) 1995-09-29 1997-04-08 Toppan Printing Co Ltd 反射型スクリーン及びその製造方法
US5620775A (en) * 1995-11-03 1997-04-15 Minnesota Mining And Manufacturing Company Low refractive index glass microsphere coated article having a smooth surface and a method for preparing same
JPH09152659A (ja) 1995-11-30 1997-06-10 Victor Co Of Japan Ltd ビーズを用いたスクリーン
JPH09258331A (ja) 1996-03-25 1997-10-03 Mitsubishi Rayon Co Ltd 投写スクリーン及びその製造方法
DE60106374T2 (de) * 2000-12-06 2006-03-09 Fuji Photo Film Co. Ltd., Minamiashigara Optischer Diffusorfilm und Herstellungsverfahren dafür

Also Published As

Publication number Publication date
AU742390B2 (en) 2002-01-03
DE69913672D1 (de) 2004-01-29
JP2002510067A (ja) 2002-04-02
WO1999050710A1 (en) 1999-10-07
KR100606216B1 (ko) 2006-07-28
EP1068558B1 (en) 2003-12-17
US6692647B2 (en) 2004-02-17
US6344263B1 (en) 2002-02-05
US20020034618A1 (en) 2002-03-21
KR20010042275A (ko) 2001-05-25
DE69913672T2 (de) 2004-09-30
EP1068558A1 (en) 2001-01-17
AU3112999A (en) 1999-10-18

Similar Documents

Publication Publication Date Title
EP1068558B1 (en) Light dispersing film and method of manufacture
KR100913455B1 (ko) 광학 소자 포장체, 백라이트 및 액정 표시 장치
CA2273050C (en) Optical structures for diffusing light
KR101357380B1 (ko) 광학 시트, 면 광원 장치 및 투과형 표시 장치
CA2165432C (en) Direct view display device with array of tapered waveguide
EP0974072B1 (en) Rear projection screen incorporating diffuser
KR20100091977A (ko) 고투과 광 제어 필름
KR101503187B1 (ko) 광확산 필름, 광확산 필름이 부착된 편광판, 액정 표시 장치 및 조명 기구
KR20050004238A (ko) 다기능 광학 조립체
KR20160031033A (ko) 광 확산 소자, 광 확산 소자가 형성된 편광판 및 이들을 사용한 액정 표시 장치
JP6806911B2 (ja) バックライトユニットおよび液晶表示装置
EP1423754B1 (en) Beaded rear projection screen with tunable gain
WO1996021884A1 (en) Display screen device with array of tapered waveguides
KR100824226B1 (ko) 제어된 산란 및 투과 특성을 갖는 광학 필름
JP3829358B2 (ja) 平面型レンズとその製造方法
WO2005085916A1 (ja) 光制御フィルムおよびそれを用いたバックライト装置
JPH10206973A (ja) 透過型スクリーン
JP2000347007A (ja) 拡散粘着層、光学部材及び液晶表示装置
US6753953B2 (en) Scattering attenuator
KR970076052A (ko) 평면형 렌즈와 이를 사용한 배면 투사형 프로젝터 스크린, 및 배면 투사형 비디오 표시 장치
JP2000098104A (ja) 平面型レンズ
JP2002082330A (ja) 画像表示装置
JPH1158574A (ja) 微粒子層を形成する方法
JP2009244416A (ja) 光学部品、バックライトユニット及び表示装置

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued