KR101571576B1 - 구조화된 필름을 구비한 중공형 백라이트 - Google Patents

구조화된 필름을 구비한 중공형 백라이트 Download PDF

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Publication number
KR101571576B1
KR101571576B1 KR1020107017425A KR20107017425A KR101571576B1 KR 101571576 B1 KR101571576 B1 KR 101571576B1 KR 1020107017425 A KR1020107017425 A KR 1020107017425A KR 20107017425 A KR20107017425 A KR 20107017425A KR 101571576 B1 KR101571576 B1 KR 101571576B1
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South Korea
Prior art keywords
light
backlight
reflector
directional recycling
film
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Expired - Fee Related
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KR1020107017425A
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English (en)
Korean (ko)
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KR20100126288A (ko
Inventor
마크 비 오닐
샨던 디 하트
케네스 에이 엡스테인
데이비드 지 프레이어
데이비드 제이 램
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쓰리엠 이노베이티브 프로퍼티즈 컴파니
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Publication of KR20100126288A publication Critical patent/KR20100126288A/ko
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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
    • G02B6/0096—Light 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
    • 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
    • G02B6/0051—Diffusing 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
    • G02B6/0033—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
    • G02B6/0011—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
    • G02B6/0055—Reflecting 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)
KR1020107017425A 2008-02-07 2009-02-06 구조화된 필름을 구비한 중공형 백라이트 Expired - Fee Related KR101571576B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2687608P 2008-02-07 2008-02-07
US61/026,876 2008-02-07

Publications (2)

Publication Number Publication Date
KR20100126288A KR20100126288A (ko) 2010-12-01
KR101571576B1 true KR101571576B1 (ko) 2015-11-24

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KR1020107017425A Expired - Fee Related KR101571576B1 (ko) 2008-02-07 2009-02-06 구조화된 필름을 구비한 중공형 백라이트

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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JP2011514624A (ja) 2011-05-06
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US20110051047A1 (en) 2011-03-03
KR20100126288A (ko) 2010-12-01
US8848132B2 (en) 2014-09-30
TW200949381A (en) 2009-12-01
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