KR101161451B1 - 백라이트 장치 및 투과형 액정 표시 장치 - Google Patents

백라이트 장치 및 투과형 액정 표시 장치 Download PDF

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Publication number
KR101161451B1
KR101161451B1 KR1020067007323A KR20067007323A KR101161451B1 KR 101161451 B1 KR101161451 B1 KR 101161451B1 KR 1020067007323 A KR1020067007323 A KR 1020067007323A KR 20067007323 A KR20067007323 A KR 20067007323A KR 101161451 B1 KR101161451 B1 KR 101161451B1
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South Korea
Prior art keywords
light
display
light source
liquid crystal
diffusion plate
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Expired - Fee Related
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KR1020067007323A
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English (en)
Korean (ko)
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KR20070042908A (ko
Inventor
가즈또시 마하마
마사또 하따나까
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소니 주식회사
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02B6/0073—Light emitting diode [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
KR1020067007323A 2004-08-18 2005-08-05 백라이트 장치 및 투과형 액정 표시 장치 Expired - Fee Related KR101161451B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004238786A JP4590977B2 (ja) 2004-08-18 2004-08-18 バックライト装置及び透過型液晶表示装置
JPJP-P-2004-00238786 2004-08-18
PCT/JP2005/014441 WO2006018996A1 (ja) 2004-08-18 2005-08-05 バックライト装置及び透過型液晶表示装置

Publications (2)

Publication Number Publication Date
KR20070042908A KR20070042908A (ko) 2007-04-24
KR101161451B1 true KR101161451B1 (ko) 2012-07-02

Family

ID=35907386

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020067007323A Expired - Fee Related KR101161451B1 (ko) 2004-08-18 2005-08-05 백라이트 장치 및 투과형 액정 표시 장치

Country Status (8)

Country Link
US (1) US7667787B2 (enExample)
EP (1) EP1780461B1 (enExample)
JP (1) JP4590977B2 (enExample)
KR (1) KR101161451B1 (enExample)
CN (1) CN100510896C (enExample)
DE (1) DE602005025492D1 (enExample)
TW (1) TW200619773A (enExample)
WO (1) WO2006018996A1 (enExample)

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KR101244665B1 (ko) * 2005-12-29 2013-03-18 엘지디스플레이 주식회사 광학 시트 및 이를 이용한 백 라이트 유닛
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TWI317448B (enExample) 2009-11-21
US7667787B2 (en) 2010-02-23
WO2006018996A1 (ja) 2006-02-23
JP2006058481A (ja) 2006-03-02
EP1780461A1 (en) 2007-05-02
US20080284942A1 (en) 2008-11-20
EP1780461A4 (en) 2009-01-21
EP1780461B1 (en) 2010-12-22
KR20070042908A (ko) 2007-04-24
CN1930516A (zh) 2007-03-14
DE602005025492D1 (de) 2011-02-03
CN100510896C (zh) 2009-07-08
TW200619773A (en) 2006-06-16
JP4590977B2 (ja) 2010-12-01

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