TWI494655B - 具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器 - Google Patents

具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器 Download PDF

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Publication number
TWI494655B
TWI494655B TW098103923A TW98103923A TWI494655B TW I494655 B TWI494655 B TW I494655B TW 098103923 A TW098103923 A TW 098103923A TW 98103923 A TW98103923 A TW 98103923A TW I494655 B TWI494655 B TW I494655B
Authority
TW
Taiwan
Prior art keywords
light
film
directional
backlight
reflector
Prior art date
Application number
TW098103923A
Other languages
English (en)
Chinese (zh)
Other versions
TW200949381A (en
Inventor
Mark Brian O'neill
David George Freier
Shandon Dee Hart
David John Lamb
Kenneth Alan Epstein
Original Assignee
3M Innovative Properties Co
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Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of TW200949381A publication Critical patent/TW200949381A/zh
Application granted granted Critical
Publication of TWI494655B publication Critical patent/TWI494655B/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0051Diffusing sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0053Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0055Reflecting element, sheet or layer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
TW098103923A 2008-02-07 2009-02-06 具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器 TWI494655B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2687608P 2008-02-07 2008-02-07

Publications (2)

Publication Number Publication Date
TW200949381A TW200949381A (en) 2009-12-01
TWI494655B true TWI494655B (zh) 2015-08-01

Family

ID=40809604

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098103923A TWI494655B (zh) 2008-02-07 2009-02-06 具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器

Country Status (7)

Country Link
US (1) US8848132B2 (enExample)
EP (1) EP2255231A1 (enExample)
JP (1) JP5702151B2 (enExample)
KR (1) KR101571576B1 (enExample)
CN (1) CN101939675A (enExample)
TW (1) TWI494655B (enExample)
WO (1) WO2009100307A1 (enExample)

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US20110051047A1 (en) 2011-03-03
US8848132B2 (en) 2014-09-30
WO2009100307A1 (en) 2009-08-13
KR101571576B1 (ko) 2015-11-24
CN101939675A (zh) 2011-01-05
KR20100126288A (ko) 2010-12-01
JP5702151B2 (ja) 2015-04-15
TW200949381A (en) 2009-12-01
JP2011514624A (ja) 2011-05-06

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