WO1998022749A1 - Front light extraction film for light guiding systems and method of manufacture - Google Patents
Front light extraction film for light guiding systems and method of manufacture Download PDFInfo
- Publication number
- WO1998022749A1 WO1998022749A1 PCT/US1997/015791 US9715791W WO9822749A1 WO 1998022749 A1 WO1998022749 A1 WO 1998022749A1 US 9715791 W US9715791 W US 9715791W WO 9822749 A1 WO9822749 A1 WO 9822749A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- coupling element
- light coupling
- refractive index
- outer portion
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- G02B6/0005—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 of the fibre type
- G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97940893A EP1025388A1 (en) | 1996-11-21 | 1997-09-08 | Front light extraction film for light guiding systems and method of manufacture |
JP52362798A JP2001504598A (en) | 1996-11-21 | 1997-09-08 | Forward light extraction film for light guide device and method of manufacturing the same |
AU42571/97A AU4257197A (en) | 1996-11-21 | 1997-09-08 | Front light extraction film for light guiding systems and method of manufacture |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/755,767 US5995690A (en) | 1996-11-21 | 1996-11-21 | Front light extraction film for light guiding systems and method of manufacture |
US08/755,767 | 1996-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998022749A1 true WO1998022749A1 (en) | 1998-05-28 |
Family
ID=25040576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/015791 WO1998022749A1 (en) | 1996-11-21 | 1997-09-08 | Front light extraction film for light guiding systems and method of manufacture |
Country Status (6)
Country | Link |
---|---|
US (1) | US5995690A (en) |
EP (1) | EP1025388A1 (en) |
JP (1) | JP2001504598A (en) |
KR (1) | KR20000053350A (en) |
AU (1) | AU4257197A (en) |
WO (1) | WO1998022749A1 (en) |
Cited By (7)
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WO1999046537A1 (en) * | 1998-03-13 | 1999-09-16 | Minnesota Mining And Manufacturing Company | Optical fiber linear light source |
WO2000032983A1 (en) * | 1998-12-02 | 2000-06-08 | 3M Innovative Properties Company | Method for molding light extraction structures onto a light guide |
WO2000032984A1 (en) * | 1998-12-02 | 2000-06-08 | 3M Innovative Properties Company | Apparatus for molding light extraction structures onto a light guide |
US6597834B1 (en) | 1998-03-13 | 2003-07-22 | 3M Innovative Properties Company | Optical fiber linear light source |
EP1992872A2 (en) | 2007-05-18 | 2008-11-19 | Rohm and Haas Denmark Finance A/S | Light extraction film system |
WO2009109895A1 (en) * | 2008-03-07 | 2009-09-11 | Koninklijke Philips Electronics N.V. | Lighting system with removable light extracting member |
US10222535B2 (en) | 2013-07-02 | 2019-03-05 | 3M Innovative Properties Company | Flat light guide |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4052120A (en) * | 1975-02-26 | 1977-10-04 | Erwin Sick Optik-Elektronik | Optical apparatus for producing a light curtain |
WO1994020871A1 (en) * | 1993-03-11 | 1994-09-15 | Nioptics Corporation | Tapered multilayer luminaire devices |
US5506929A (en) * | 1994-10-19 | 1996-04-09 | Clio Technologies, Inc. | Light expanding system for producing a linear or planar light beam from a point-like light source |
WO1997008490A1 (en) * | 1995-08-23 | 1997-03-06 | Minnesota Mining And Manufacturing Company | Structured surface light extraction overlay and illumination system |
WO1997027423A1 (en) * | 1996-01-24 | 1997-07-31 | Minnesota Mining And Manufacturing Company | Conspicuity marking system |
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JP3590062B2 (en) * | 1993-10-20 | 2004-11-17 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | Super-flexible retroreflective cube corner composite sheet material and method of manufacturing the same |
US5555329A (en) * | 1993-11-05 | 1996-09-10 | Alliesignal Inc. | Light directing optical structure |
US5396350A (en) * | 1993-11-05 | 1995-03-07 | Alliedsignal Inc. | Backlighting apparatus employing an array of microprisms |
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US5462700A (en) * | 1993-11-08 | 1995-10-31 | Alliedsignal Inc. | Process for making an array of tapered photopolymerized waveguides |
TW293090B (en) * | 1995-02-17 | 1996-12-11 | Allied Signal Inc |
-
1996
- 1996-11-21 US US08/755,767 patent/US5995690A/en not_active Expired - Lifetime
-
1997
- 1997-09-08 WO PCT/US1997/015791 patent/WO1998022749A1/en not_active Application Discontinuation
- 1997-09-08 AU AU42571/97A patent/AU4257197A/en not_active Abandoned
- 1997-09-08 JP JP52362798A patent/JP2001504598A/en active Pending
- 1997-09-08 EP EP97940893A patent/EP1025388A1/en not_active Withdrawn
- 1997-09-08 KR KR1019990704374A patent/KR20000053350A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4052120A (en) * | 1975-02-26 | 1977-10-04 | Erwin Sick Optik-Elektronik | Optical apparatus for producing a light curtain |
WO1994020871A1 (en) * | 1993-03-11 | 1994-09-15 | Nioptics Corporation | Tapered multilayer luminaire devices |
US5506929A (en) * | 1994-10-19 | 1996-04-09 | Clio Technologies, Inc. | Light expanding system for producing a linear or planar light beam from a point-like light source |
WO1997008490A1 (en) * | 1995-08-23 | 1997-03-06 | Minnesota Mining And Manufacturing Company | Structured surface light extraction overlay and illumination system |
WO1997027423A1 (en) * | 1996-01-24 | 1997-07-31 | Minnesota Mining And Manufacturing Company | Conspicuity marking system |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999046537A1 (en) * | 1998-03-13 | 1999-09-16 | Minnesota Mining And Manufacturing Company | Optical fiber linear light source |
AU756618B2 (en) * | 1998-03-13 | 2003-01-16 | Minnesota Mining And Manufacturing Company | Optical fiber linear light source |
US6597834B1 (en) | 1998-03-13 | 2003-07-22 | 3M Innovative Properties Company | Optical fiber linear light source |
WO2000032983A1 (en) * | 1998-12-02 | 2000-06-08 | 3M Innovative Properties Company | Method for molding light extraction structures onto a light guide |
WO2000032984A1 (en) * | 1998-12-02 | 2000-06-08 | 3M Innovative Properties Company | Apparatus for molding light extraction structures onto a light guide |
EP1992872A2 (en) | 2007-05-18 | 2008-11-19 | Rohm and Haas Denmark Finance A/S | Light extraction film system |
WO2009109895A1 (en) * | 2008-03-07 | 2009-09-11 | Koninklijke Philips Electronics N.V. | Lighting system with removable light extracting member |
US10222535B2 (en) | 2013-07-02 | 2019-03-05 | 3M Innovative Properties Company | Flat light guide |
Also Published As
Publication number | Publication date |
---|---|
JP2001504598A (en) | 2001-04-03 |
AU4257197A (en) | 1998-06-10 |
EP1025388A1 (en) | 2000-08-09 |
KR20000053350A (en) | 2000-08-25 |
US5995690A (en) | 1999-11-30 |
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