TW360813B - Light diffusing materials - Google Patents

Light diffusing materials

Info

Publication number
TW360813B
TW360813B TW085101117A TW85101117A TW360813B TW 360813 B TW360813 B TW 360813B TW 085101117 A TW085101117 A TW 085101117A TW 85101117 A TW85101117 A TW 85101117A TW 360813 B TW360813 B TW 360813B
Authority
TW
Taiwan
Prior art keywords
light diffusing
light
sheet
sheet material
stretching
Prior art date
Application number
TW085101117A
Other languages
English (en)
Inventor
Robin Clabburn
Original Assignee
Fusion Optix 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
Priority claimed from GBGB9426292.0A external-priority patent/GB9426292D0/en
Priority claimed from GBGB9500025.3A external-priority patent/GB9500025D0/en
Priority claimed from GBGB9521103.3A external-priority patent/GB9521103D0/en
Application filed by Fusion Optix Inc filed Critical Fusion Optix Inc
Application granted granted Critical
Publication of TW360813B publication Critical patent/TW360813B/zh

Links

Classifications

    • 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
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
TW085101117A 1994-12-28 1996-01-30 Light diffusing materials TW360813B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9426292.0A GB9426292D0 (en) 1994-12-28 1994-12-28 Asymmetric light diffusing materials
GBGB9500025.3A GB9500025D0 (en) 1995-01-04 1995-01-04 Asymmetric light diffusing materials
GBGB9521103.3A GB9521103D0 (en) 1995-10-16 1995-10-16 Asymmetric light diffusing material

Publications (1)

Publication Number Publication Date
TW360813B true TW360813B (en) 1999-06-11

Family

ID=27267542

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085101117A TW360813B (en) 1994-12-28 1996-01-30 Light diffusing materials

Country Status (5)

Country Link
EP (1) EP0800658B1 (zh)
JP (2) JP3958359B2 (zh)
DE (1) DE69516723T2 (zh)
TW (1) TW360813B (zh)
WO (1) WO1996020419A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513996B (zh) * 2012-09-18 2015-12-21 Rohm & Haas 水性塗層組成物及由其製造之抗眩光塗層

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9928166D0 (en) * 1999-11-29 2000-01-26 Microgrin Limited Reflective diffuser
GB0010697D0 (en) * 2000-05-03 2000-06-28 Microsharp Corp Limited Reflective light diffuser
US6727313B2 (en) 2001-01-17 2004-04-27 3M Innovative Properties Company Polymeric compositions and articles with anisotropic light scattering and methods of making and using
US6819486B2 (en) 2001-01-17 2004-11-16 3M Innovative Properties Company Projection screen having elongated structures
JP2002318311A (ja) * 2001-04-20 2002-10-31 Clariant (Japan) Kk 制御された散乱・透過特性を有する光学フィルム
JP5625961B2 (ja) * 2011-01-31 2014-11-19 大日本印刷株式会社 透過型曲面スクリーンの製造方法、及び表示装置の製造方法
US9182097B2 (en) * 2012-07-20 2015-11-10 Koninklijke Philips N.V. Variable diffuser
JP2023105522A (ja) * 2022-01-19 2023-07-31 国立研究開発法人産業技術総合研究所 光学部材及びその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59143618A (ja) * 1983-02-04 1984-08-17 Mitsubishi Rayon Co Ltd 透過型スクリ−ンの製造方法
BR8807538A (pt) * 1987-06-01 1990-03-27 Scient Applied Research Sar Sistema de exposicao tridimensional e processo de fabricacao do mesmo
JPH02199444A (ja) * 1989-01-30 1990-08-07 Matsushita Electric Ind Co Ltd 透過型スクリーンとその製造方法とそれを用いた透過型プロジェクションテレビ
JP2896801B2 (ja) * 1990-06-01 1999-05-31 三菱レイヨン株式会社 投写スクリーンおよびその製造方法
EP0464499A3 (en) * 1990-06-22 1992-04-15 Sumitomo Chemical Company, Limited Anisotropic light-scattering material, method for producing the same and lenticular lens for projection tv screen
EP0627638A1 (en) * 1993-06-02 1994-12-07 Hughes Aircraft Company Elliptical diffuser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513996B (zh) * 2012-09-18 2015-12-21 Rohm & Haas 水性塗層組成物及由其製造之抗眩光塗層

Also Published As

Publication number Publication date
DE69516723D1 (de) 2000-06-08
EP0800658A1 (en) 1997-10-15
DE69516723T2 (de) 2000-11-09
JP3958359B2 (ja) 2007-08-15
WO1996020419A1 (en) 1996-07-04
JP2006227573A (ja) 2006-08-31
EP0800658B1 (en) 2000-05-03
JPH11500538A (ja) 1999-01-12

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Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent