TW200705054A - Display backlight with improved light coupling and mixing - Google Patents

Display backlight with improved light coupling and mixing

Info

Publication number
TW200705054A
TW200705054A TW095123365A TW95123365A TW200705054A TW 200705054 A TW200705054 A TW 200705054A TW 095123365 A TW095123365 A TW 095123365A TW 95123365 A TW95123365 A TW 95123365A TW 200705054 A TW200705054 A TW 200705054A
Authority
TW
Taiwan
Prior art keywords
mixing
display backlight
solid state
light coupling
improved light
Prior art date
Application number
TW095123365A
Other languages
English (en)
Inventor
Edward Bailey
Andrew Beregszaszi
Joseph B Mazzochette
Robert J Burdalski
Original Assignee
Lamina Ceramics 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
Application filed by Lamina Ceramics Inc filed Critical Lamina Ceramics Inc
Publication of TW200705054A publication Critical patent/TW200705054A/zh

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
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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)
  • Planar Illumination Modules (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Liquid Crystal (AREA)
TW095123365A 2005-06-28 2006-06-28 Display backlight with improved light coupling and mixing TW200705054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69474005P 2005-06-28 2005-06-28

Publications (1)

Publication Number Publication Date
TW200705054A true TW200705054A (en) 2007-02-01

Family

ID=37595904

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095123365A TW200705054A (en) 2005-06-28 2006-06-28 Display backlight with improved light coupling and mixing

Country Status (3)

Country Link
US (1) US8079743B2 (zh)
TW (1) TW200705054A (zh)
WO (1) WO2007002476A2 (zh)

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US8079743B2 (en) 2011-12-20
US20070081360A1 (en) 2007-04-12
WO2007002476A2 (en) 2007-01-04

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