WO1999042861A1 - Optical film - Google Patents
Optical film Download PDFInfo
- Publication number
- WO1999042861A1 WO1999042861A1 PCT/US1999/001305 US9901305W WO9942861A1 WO 1999042861 A1 WO1999042861 A1 WO 1999042861A1 US 9901305 W US9901305 W US 9901305W WO 9942861 A1 WO9942861 A1 WO 9942861A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- structures
- light
- structured surface
- film
- nominal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99903266A EP1057049B1 (en) | 1998-02-18 | 1999-01-22 | Optical film |
JP2000532742A JP4347521B2 (en) | 1998-02-18 | 1999-01-22 | Optical film |
CA002318790A CA2318790C (en) | 1998-02-18 | 1999-01-22 | Optical film |
AU23328/99A AU752774B2 (en) | 1998-02-18 | 1999-01-22 | Optical film |
DE69939647T DE69939647D1 (en) | 1998-02-18 | 1999-01-22 | OPTICAL FILM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2518398A | 1998-02-18 | 1998-02-18 | |
US09/025,183 | 1998-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999042861A1 true WO1999042861A1 (en) | 1999-08-26 |
Family
ID=21824528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/001305 WO1999042861A1 (en) | 1998-02-18 | 1999-01-22 | Optical film |
Country Status (8)
Country | Link |
---|---|
US (1) | US6354709B1 (en) |
EP (2) | EP1057049B1 (en) |
JP (2) | JP4347521B2 (en) |
AU (1) | AU752774B2 (en) |
CA (1) | CA2318790C (en) |
DE (1) | DE69939647D1 (en) |
TW (1) | TW419599B (en) |
WO (1) | WO1999042861A1 (en) |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984144A (en) * | 1987-05-08 | 1991-01-08 | Minnesota Mining And Manufacturing Company | High aspect ratio light fixture and film for use therein |
US5005108A (en) * | 1989-02-10 | 1991-04-02 | Lumitex, Inc. | Thin panel illuminator |
US5076668A (en) * | 1988-01-25 | 1991-12-31 | Taliq Corporation | Gain reflector-liquid crystal display |
EP0531939A1 (en) * | 1991-09-09 | 1993-03-17 | Enplas Corporation | Surface light source device |
WO1996027757A1 (en) * | 1995-03-03 | 1996-09-12 | Minnesota Mining And Manufacturing Company | Light directing film having variable height structured surface and light directing article constructed therefrom |
WO1997028468A1 (en) * | 1996-02-05 | 1997-08-07 | Minnesota Mining And Manufacturing Company | Brightness enhancement film with soft cutoff |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3851093A (en) * | 1971-07-12 | 1974-11-26 | D Sunstein | Color television display system and method for reducing visibility of geometric pattern of colored-light sources, and method for fabrication thereof |
USRE29091E (en) | 1971-12-13 | 1976-12-28 | Eastman Kodak Company | Radiation-redistributive devices |
US3754813A (en) | 1971-12-13 | 1973-08-28 | Eastman Kodak Co | Radiation-redistributive devices |
US3765281A (en) | 1971-12-13 | 1973-10-16 | Eastman Kodak Co | Method and apparatus for fabricating radiation-redistributive devices |
US3788171A (en) | 1971-12-13 | 1974-01-29 | Eastman Kodak Co | Projection screen fabrication apparatus and method |
US4542449A (en) | 1983-08-29 | 1985-09-17 | Canadian Patents & Development Limited | Lighting panel with opposed 45° corrugations |
DE3407431A1 (en) * | 1984-02-29 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Lens for signal lights, in particular for traffic lights |
CA1279783C (en) | 1985-11-21 | 1991-02-05 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
US4804253A (en) | 1986-05-15 | 1989-02-14 | General Electric Company | Lenticular filter for display devices |
US4791540A (en) | 1987-05-26 | 1988-12-13 | Minnesota Mining And Manufacturing Company | Light fixture providing normalized output |
US5128783A (en) | 1990-01-31 | 1992-07-07 | Ois Optical Imaging Systems, Inc. | Diffusing/collimating lens array for a liquid crystal display |
US5161041A (en) | 1990-04-26 | 1992-11-03 | Ois Optical Imaging Systems, Inc. | Lighting assembly for a backlit electronic display including an integral image splitting and collimating means |
US5190370A (en) | 1991-08-21 | 1993-03-02 | Minnesota Mining And Manufacturing Company | High aspect ratio lighting element |
US5552907A (en) | 1992-01-27 | 1996-09-03 | Sekisui Chemical Co., Ltd. | Light adjusting sheet having a sinusoidal surface and a non-optically flat surface and useable with an LCD |
US5394255A (en) | 1992-01-27 | 1995-02-28 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more |
CA2097109C (en) | 1992-06-01 | 2000-01-11 | Shozo Kokawa | Liquid crystal display |
JP3123006B2 (en) | 1992-06-30 | 2001-01-09 | 大日本印刷株式会社 | Surface light source and liquid crystal display |
US5280371A (en) | 1992-07-09 | 1994-01-18 | Honeywell Inc. | Directional diffuser for a liquid crystal display |
JP2842739B2 (en) | 1992-09-14 | 1999-01-06 | 富士通株式会社 | Surface light source unit and liquid crystal display device |
JP3006306B2 (en) | 1992-09-16 | 2000-02-07 | インターナショナル・ビジネス・マシーンズ・コーポレイション | Optical film and liquid crystal display device using the optical film |
JPH0695112A (en) | 1992-09-16 | 1994-04-08 | Hitachi Ltd | Prism plate and information display device formed by using this plate |
KR0168879B1 (en) | 1992-12-25 | 1999-04-15 | 기따지마 요시또시 | Renticular lens, surface light source and liquid crystal display apparatus |
DE69418502T2 (en) | 1993-02-01 | 2000-02-24 | Tosoh Corp | Background lighting device |
US6052164A (en) * | 1993-03-01 | 2000-04-18 | 3M Innovative Properties Company | Electroluminescent display with brightness enhancement |
US5598280A (en) | 1993-03-23 | 1997-01-28 | Dai Nippon Printing Co., Ltd. | Film lens and a surface light source using the same |
US5600455A (en) | 1994-08-31 | 1997-02-04 | Enplas Corporation | Prismatic member with coarsened portions or triangular prismatic and semi-circular prismatic members arranged on a flat light emitting surface |
US6080467A (en) | 1995-06-26 | 2000-06-27 | 3M Innovative Properties Company | High efficiency optical devices |
US5825543A (en) | 1996-02-29 | 1998-10-20 | Minnesota Mining And Manufacturing Company | Diffusely reflecting polarizing element including a first birefringent phase and a second phase |
US5919551A (en) * | 1996-04-12 | 1999-07-06 | 3M Innovative Properties Company | Variable pitch structured optical film |
-
1999
- 1999-01-22 CA CA002318790A patent/CA2318790C/en not_active Expired - Lifetime
- 1999-01-22 JP JP2000532742A patent/JP4347521B2/en not_active Expired - Lifetime
- 1999-01-22 WO PCT/US1999/001305 patent/WO1999042861A1/en active IP Right Grant
- 1999-01-22 EP EP99903266A patent/EP1057049B1/en not_active Expired - Lifetime
- 1999-01-22 AU AU23328/99A patent/AU752774B2/en not_active Ceased
- 1999-01-22 EP EP08010709A patent/EP1975649A1/en not_active Withdrawn
- 1999-01-22 DE DE69939647T patent/DE69939647D1/en not_active Expired - Lifetime
- 1999-02-09 TW TW088101977A patent/TW419599B/en not_active IP Right Cessation
-
2000
- 2000-04-05 US US09/543,304 patent/US6354709B1/en not_active Expired - Lifetime
-
2008
- 2008-11-12 JP JP2008290269A patent/JP4468472B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984144A (en) * | 1987-05-08 | 1991-01-08 | Minnesota Mining And Manufacturing Company | High aspect ratio light fixture and film for use therein |
US5076668A (en) * | 1988-01-25 | 1991-12-31 | Taliq Corporation | Gain reflector-liquid crystal display |
US5005108A (en) * | 1989-02-10 | 1991-04-02 | Lumitex, Inc. | Thin panel illuminator |
EP0531939A1 (en) * | 1991-09-09 | 1993-03-17 | Enplas Corporation | Surface light source device |
WO1996027757A1 (en) * | 1995-03-03 | 1996-09-12 | Minnesota Mining And Manufacturing Company | Light directing film having variable height structured surface and light directing article constructed therefrom |
WO1997028468A1 (en) * | 1996-02-05 | 1997-08-07 | Minnesota Mining And Manufacturing Company | Brightness enhancement film with soft cutoff |
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US7404661B2 (en) | 1995-06-27 | 2008-07-29 | Solid State Opto Limited | Light emitting panel assemblies |
US7914196B2 (en) | 1999-02-23 | 2011-03-29 | Rambus International Ltd. | Light redirecting film systems having pattern of variable optical elements |
US8092068B2 (en) | 1999-02-23 | 2012-01-10 | Rambus International Ltd. | Light redirecting films and film systems |
US7810982B2 (en) | 1999-02-23 | 2010-10-12 | Rambus International Ltd. | Edge-lit optical system having optical elements on two surfaces |
US6752505B2 (en) | 1999-02-23 | 2004-06-22 | Solid State Opto Limited | Light redirecting films and film systems |
US7364342B2 (en) | 1999-02-23 | 2008-04-29 | Solid State Opto Limited | Light redirecting films pattern of variable optical elements |
US7364341B2 (en) | 1999-02-23 | 2008-04-29 | Solid State Opto Limited | Light redirecting films including non-interlockable optical elements |
US8845176B2 (en) | 1999-02-23 | 2014-09-30 | Rambus Delaware Llc | Light redirecting films with non-prismatic optical elements |
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Also Published As
Publication number | Publication date |
---|---|
AU752774B2 (en) | 2002-09-26 |
EP1057049A1 (en) | 2000-12-06 |
JP4347521B2 (en) | 2009-10-21 |
EP1975649A1 (en) | 2008-10-01 |
JP4468472B2 (en) | 2010-05-26 |
TW419599B (en) | 2001-01-21 |
AU2332899A (en) | 1999-09-06 |
JP2009080497A (en) | 2009-04-16 |
JP2002504698A (en) | 2002-02-12 |
DE69939647D1 (en) | 2008-11-13 |
US6354709B1 (en) | 2002-03-12 |
EP1057049B1 (en) | 2008-10-01 |
CA2318790C (en) | 2004-03-30 |
CA2318790A1 (en) | 1999-08-26 |
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