CN101573644B - 使用高功率角led的背光 - Google Patents
使用高功率角led的背光 Download PDFInfo
- Publication number
- CN101573644B CN101573644B CN2007800317240A CN200780031724A CN101573644B CN 101573644 B CN101573644 B CN 101573644B CN 2007800317240 A CN2007800317240 A CN 2007800317240A CN 200780031724 A CN200780031724 A CN 200780031724A CN 101573644 B CN101573644 B CN 101573644B
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- China
- Prior art keywords
- angle
- led
- photoconduction
- truncation
- tube core
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Classifications
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- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- 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
- G02B6/0025—Diffusing sheet or layer; Prismatic 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/0031—Reflecting 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
- G02B6/0011—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
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Abstract
Description
Claims (30)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/467,499 US20080049445A1 (en) | 2006-08-25 | 2006-08-25 | Backlight Using High-Powered Corner LED |
US11/467,499 | 2006-08-25 | ||
PCT/IB2007/053400 WO2008023354A2 (en) | 2006-08-25 | 2007-08-24 | Backlight using high-powered corner led |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101573644A CN101573644A (zh) | 2009-11-04 |
CN101573644B true CN101573644B (zh) | 2011-07-06 |
Family
ID=38969839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800317240A Active CN101573644B (zh) | 2006-08-25 | 2007-08-24 | 使用高功率角led的背光 |
Country Status (6)
Country | Link |
---|---|
US (2) | US20080049445A1 (zh) |
EP (1) | EP2057491B1 (zh) |
JP (2) | JP2008053236A (zh) |
CN (1) | CN101573644B (zh) |
TW (1) | TWI412831B (zh) |
WO (1) | WO2008023354A2 (zh) |
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-
2006
- 2006-08-25 US US11/467,499 patent/US20080049445A1/en not_active Abandoned
-
2007
- 2007-08-24 WO PCT/IB2007/053400 patent/WO2008023354A2/en active Application Filing
- 2007-08-24 CN CN2007800317240A patent/CN101573644B/zh active Active
- 2007-08-24 TW TW096131541A patent/TWI412831B/zh active
- 2007-08-24 EP EP07826128.6A patent/EP2057491B1/en active Active
- 2007-08-27 JP JP2007248051A patent/JP2008053236A/ja active Pending
-
2008
- 2008-07-10 US US12/171,228 patent/US8061884B2/en active Active
-
2012
- 2012-08-28 JP JP2012187419A patent/JP5554382B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP5554382B2 (ja) | 2014-07-23 |
TWI412831B (zh) | 2013-10-21 |
EP2057491A2 (en) | 2009-05-13 |
US8061884B2 (en) | 2011-11-22 |
EP2057491B1 (en) | 2019-05-01 |
US20080049445A1 (en) | 2008-02-28 |
JP2012238619A (ja) | 2012-12-06 |
WO2008023354A2 (en) | 2008-02-28 |
WO2008023354A3 (en) | 2008-05-02 |
US20080266900A1 (en) | 2008-10-30 |
JP2008053236A (ja) | 2008-03-06 |
TW200817781A (en) | 2008-04-16 |
CN101573644A (zh) | 2009-11-04 |
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