KR100895753B1 - 면 광원장치 및 그것에 사용하는 도광체 및 그 제조 방법 - Google Patents

면 광원장치 및 그것에 사용하는 도광체 및 그 제조 방법 Download PDF

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Publication number
KR100895753B1
KR100895753B1 KR1020077021498A KR20077021498A KR100895753B1 KR 100895753 B1 KR100895753 B1 KR 100895753B1 KR 1020077021498 A KR1020077021498 A KR 1020077021498A KR 20077021498 A KR20077021498 A KR 20077021498A KR 100895753 B1 KR100895753 B1 KR 100895753B1
Authority
KR
South Korea
Prior art keywords
light
absorption band
light guide
light source
incident end
Prior art date
Application number
KR1020077021498A
Other languages
English (en)
Korean (ko)
Other versions
KR20070114178A (ko
Inventor
도모요시 야마시타
겐타로 하야시
노리오 가와시마
Original Assignee
미츠비시 레이온 가부시키가이샤
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
Priority claimed from JP2005050990A external-priority patent/JP4716754B2/ja
Priority claimed from JP2005062638A external-priority patent/JP4680635B2/ja
Priority claimed from JP2005108868A external-priority patent/JP2006294256A/ja
Application filed by 미츠비시 레이온 가부시키가이샤 filed Critical 미츠비시 레이온 가부시키가이샤
Publication of KR20070114178A publication Critical patent/KR20070114178A/ko
Application granted granted Critical
Publication of KR100895753B1 publication Critical patent/KR100895753B1/ko

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Classifications

    • 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
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • 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
    • 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
    • G02B6/0066—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
    • G02B6/0066—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
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
KR1020077021498A 2005-02-25 2006-02-23 면 광원장치 및 그것에 사용하는 도광체 및 그 제조 방법 KR100895753B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00050990 2005-02-25
JP2005050990A JP4716754B2 (ja) 2005-02-25 2005-02-25 面光源装置及びそれに用いる導光体及びその製造方法
JP2005062638A JP4680635B2 (ja) 2005-03-07 2005-03-07 面光源装置及びそれに用いる導光体及びその製造方法
JPJP-P-2005-00062638 2005-03-07
JP2005108868A JP2006294256A (ja) 2005-04-05 2005-04-05 面光源装置用導光体および面光源装置
JPJP-P-2005-00108868 2005-04-05

Publications (2)

Publication Number Publication Date
KR20070114178A KR20070114178A (ko) 2007-11-29
KR100895753B1 true KR100895753B1 (ko) 2009-04-30

Family

ID=36991480

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077021498A KR100895753B1 (ko) 2005-02-25 2006-02-23 면 광원장치 및 그것에 사용하는 도광체 및 그 제조 방법

Country Status (3)

Country Link
KR (1) KR100895753B1 (ja)
TW (1) TW200638135A (ja)
WO (1) WO2006098127A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101096514B1 (ko) 2009-09-23 2011-12-20 엘아이지에이디피 주식회사 백라이트 어셈블리, 그것의 제조 방법, 이 백라이트 어셈블리를 포함하는 액정표시장치

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010205504A (ja) * 2009-03-02 2010-09-16 Hitachi Ltd バックライト装置及びこれを用いた映像表示装置
TWI410590B (zh) * 2011-03-11 2013-10-01 Young Lighting Technology Corp 照明裝置
TWI486652B (zh) * 2013-12-24 2015-06-01 Chi Mei Corp 光學板及應用其之背光模組
TWI574085B (zh) 2014-09-11 2017-03-11 友達光電股份有限公司 具光均勻化設計之背光模組

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720463A (ja) * 1993-07-05 1995-01-24 Hitachi Ltd 液晶表示装置
KR20040079962A (ko) * 2002-01-31 2004-09-16 미츠비시 레이온 가부시키가이샤 광편향 소자 및 그것을 이용한 광원 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002022908A (ja) * 2000-07-07 2002-01-23 Kimoto & Co Ltd 光拡散性シート
JP4049624B2 (ja) * 2001-07-27 2008-02-20 株式会社エンプラス 面光源装置、画像表示装置及び導光板

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720463A (ja) * 1993-07-05 1995-01-24 Hitachi Ltd 液晶表示装置
KR20040079962A (ko) * 2002-01-31 2004-09-16 미츠비시 레이온 가부시키가이샤 광편향 소자 및 그것을 이용한 광원 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101096514B1 (ko) 2009-09-23 2011-12-20 엘아이지에이디피 주식회사 백라이트 어셈블리, 그것의 제조 방법, 이 백라이트 어셈블리를 포함하는 액정표시장치

Also Published As

Publication number Publication date
KR20070114178A (ko) 2007-11-29
WO2006098127A1 (ja) 2006-09-21
TW200638135A (en) 2006-11-01

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