WO2005026611A3 - Improvements in and relating to backlit displays - Google Patents
Improvements in and relating to backlit displays Download PDFInfo
- Publication number
- WO2005026611A3 WO2005026611A3 PCT/GB2004/003971 GB2004003971W WO2005026611A3 WO 2005026611 A3 WO2005026611 A3 WO 2005026611A3 GB 2004003971 W GB2004003971 W GB 2004003971W WO 2005026611 A3 WO2005026611 A3 WO 2005026611A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light guide
- guide
- relating
- control features
- 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
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular 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
- G02B6/0011—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
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0607613A GB2423183A (en) | 2003-09-18 | 2004-09-17 | Improvements in and relating to backlit displays |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0321836.9 | 2003-09-18 | ||
GB0321836A GB0321836D0 (en) | 2003-09-18 | 2003-09-18 | Improvements in and relating to backlit displays |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005026611A2 WO2005026611A2 (en) | 2005-03-24 |
WO2005026611A3 true WO2005026611A3 (en) | 2005-09-22 |
Family
ID=29227299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2004/003971 WO2005026611A2 (en) | 2003-09-18 | 2004-09-17 | Improvements in and relating to backlit displays |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB0321836D0 (en) |
WO (1) | WO2005026611A2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890201A (en) * | 1987-01-15 | 1989-12-26 | Generaldirektoratet For Danske Statsbaner, Dsb, And Jens Moller-Jensen | Light transmitting plate member |
WO2002075375A1 (en) * | 2001-03-16 | 2002-09-26 | Toray Industries, Inc. | Optical functional sheet |
US20030147259A1 (en) * | 2002-02-02 | 2003-08-07 | Opti-Flux Technologies Inc. | Light emitting flat panel with embedded light guides yielding controlled light extraction for general lighting luminaire |
-
2003
- 2003-09-18 GB GB0321836A patent/GB0321836D0/en not_active Ceased
-
2004
- 2004-09-17 WO PCT/GB2004/003971 patent/WO2005026611A2/en active Application Filing
- 2004-09-17 GB GB0607613A patent/GB2423183A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890201A (en) * | 1987-01-15 | 1989-12-26 | Generaldirektoratet For Danske Statsbaner, Dsb, And Jens Moller-Jensen | Light transmitting plate member |
WO2002075375A1 (en) * | 2001-03-16 | 2002-09-26 | Toray Industries, Inc. | Optical functional sheet |
EP1369711A1 (en) * | 2001-03-16 | 2003-12-10 | Toray Industries, Inc. | Optical functional sheet |
US20030147259A1 (en) * | 2002-02-02 | 2003-08-07 | Opti-Flux Technologies Inc. | Light emitting flat panel with embedded light guides yielding controlled light extraction for general lighting luminaire |
Also Published As
Publication number | Publication date |
---|---|
GB2423183A (en) | 2006-08-16 |
GB0321836D0 (en) | 2003-10-15 |
WO2005026611A2 (en) | 2005-03-24 |
GB0607613D0 (en) | 2006-05-31 |
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