CN101688989B - 光学元件以及包含这种元件的背光系统和液晶显示器 - Google Patents

光学元件以及包含这种元件的背光系统和液晶显示器 Download PDF

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Publication number
CN101688989B
CN101688989B CN2008800017128A CN200880001712A CN101688989B CN 101688989 B CN101688989 B CN 101688989B CN 2008800017128 A CN2008800017128 A CN 2008800017128A CN 200880001712 A CN200880001712 A CN 200880001712A CN 101688989 B CN101688989 B CN 101688989B
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China
Prior art keywords
light
optical element
element according
pits
resin layer
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CN2008800017128A
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Chinese (zh)
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CN101688989A (zh
Inventor
沈容植
金荣一
赵诚植
崔炳斗
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Suzhou Lemaxing Photoelectric Co Ltd
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LMS Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • 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
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
CN2008800017128A 2008-02-29 2008-04-30 光学元件以及包含这种元件的背光系统和液晶显示器 Active CN101688989B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020080019377 2008-02-29
KR10-2008-0019377 2008-02-29
KR1020080019377A KR100867919B1 (ko) 2008-02-29 2008-02-29 광학소자, 이를 포함하는 백라이트 유닛 및 액정표시장치
PCT/KR2008/002438 WO2009119936A1 (en) 2008-02-29 2008-04-30 Optical element and backlight unit and liquid crystal display including the same

Publications (2)

Publication Number Publication Date
CN101688989A CN101688989A (zh) 2010-03-31
CN101688989B true CN101688989B (zh) 2011-12-21

Family

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CN2008800017128A Active CN101688989B (zh) 2008-02-29 2008-04-30 光学元件以及包含这种元件的背光系统和液晶显示器

Country Status (5)

Country Link
US (1) US20100328579A1 (cg-RX-API-DMAC7.html)
JP (1) JP5595906B2 (cg-RX-API-DMAC7.html)
KR (1) KR100867919B1 (cg-RX-API-DMAC7.html)
CN (1) CN101688989B (cg-RX-API-DMAC7.html)
WO (1) WO2009119936A1 (cg-RX-API-DMAC7.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011039252A (ja) * 2009-08-10 2011-02-24 Hitachi Displays Ltd 液晶表示装置
KR20130005330A (ko) * 2011-07-06 2013-01-16 글로텍 주식회사 광학시트 및 그 제조방법, 광학시트를 이용한 액정표시장치
KR101961931B1 (ko) * 2011-12-20 2019-03-26 미래나노텍(주) 조명용 광학부재 및 이를 이용하는 조명장치
KR101268085B1 (ko) * 2012-06-25 2013-05-29 주식회사 엘엠에스 접합패턴이 형성된 광학시트를 가지는 광학시트 모듈
KR101321718B1 (ko) * 2012-06-25 2013-10-28 주식회사 엘엠에스 서로 다른 두께의 광학시트를 가지는 광학시트 모듈
US9880340B2 (en) 2012-07-27 2018-01-30 Jun Sakamoto Light guide plate, light source device, light guide plate manufacturing apparatus, and method for manufacturing light guide plate
KR101256778B1 (ko) * 2012-12-07 2013-05-21 주식회사 코아옵틱스 광학시트, 광학시트 제조방법 및 이를 이용한 백라이트 유닛
KR101580229B1 (ko) * 2012-12-27 2015-12-24 주식회사 엘엠에스 광학시트 모듈
JP2014199314A (ja) * 2013-03-29 2014-10-23 大日本印刷株式会社 プリズムシート、面光源装置、映像源ユニット、及び液晶表示装置
JP6872330B2 (ja) * 2015-09-28 2021-05-19 日東電工株式会社 光学部材、ならびに、該光学部材を用いた偏光板のセットおよび液晶表示装置
KR102399433B1 (ko) * 2017-12-06 2022-05-19 엘지디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시장치
JP6886992B2 (ja) 2018-03-30 2021-06-16 恵和株式会社 光拡散板積層体、バックライトユニット、及び液晶表示装置
EP3736624A1 (en) 2019-03-13 2020-11-11 Keiwa Inc. Multilayer of light diffusers, backlight unit, and liquid crystal display device
CN110925671A (zh) * 2019-12-15 2020-03-27 宁波烨芯微电子科技有限公司 一种led平板灯
CN111474624A (zh) * 2020-05-27 2020-07-31 京东方科技集团股份有限公司 背光结构及lcd显示模组
WO2022190602A1 (ja) * 2021-03-11 2022-09-15 株式会社ジャパンディスプレイ 照明装置
KR102804522B1 (ko) * 2023-01-31 2025-05-14 주식회사 엠엘비에스 투명 도광판, 투명 표시장치 및 블라인드 기능을 가지는 투명 창

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040079028A (ko) * 2003-03-06 2004-09-14 에스케이씨 주식회사 백라이트 유닛용 프리즘 시트
KR20050087099A (ko) * 2004-02-24 2005-08-31 희성정밀 주식회사 직하형 백라이트 어셈블리의 확산판

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2742880B2 (ja) * 1994-08-12 1998-04-22 大日本印刷株式会社 面光源、それを用いた表示装置、及びそれらに用いる光拡散シート
US6280063B1 (en) * 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
JP2001235606A (ja) * 1999-12-13 2001-08-31 Sumitomo Chem Co Ltd 反射機能及び透過機能を有する光学部材
JP4652527B2 (ja) * 2000-05-16 2011-03-16 株式会社きもと 光拡散性シート
JP2002071965A (ja) * 2000-08-29 2002-03-12 Nitto Denko Corp 導光板、面光源装置及び反射型液晶表示装置
JP4592972B2 (ja) * 2001-02-08 2010-12-08 大日本印刷株式会社 光拡散フィルム、光拡散フィルムを用いた面光源装置及び表示装置
JP2003279713A (ja) * 2002-03-27 2003-10-02 Nitto Denko Corp 光学フィルム及び液晶表示装置
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
JP2005241919A (ja) * 2004-02-26 2005-09-08 Takiron Co Ltd 光拡散シート
KR20070003974A (ko) * 2004-02-26 2007-01-05 타키론 가부시기가이샤 광 확산 시트 및 이를 사용하는 백 라이트 유닛
JP4584133B2 (ja) * 2004-11-30 2010-11-17 株式会社クラレ 照明装置およびこれを用いた表示装置
CN101685223A (zh) * 2005-01-31 2010-03-31 凸版印刷株式会社 光学片和使用它的背光源单元以及显示器
US7391571B2 (en) * 2005-07-15 2008-06-24 Chi Lin Technology Co., Ltd. Diffusion plate used in direct-type backlight module
TWI319095B (en) * 2005-09-29 2010-01-01 Skc Haas Display Films Llc Light diffusive sheet for backlight unit and preparation thereof
WO2007037649A1 (en) * 2005-09-29 2007-04-05 Skc Haas Display Films Llc. Light diffusive sheet for backlight unit and preparation thereof
US7545569B2 (en) * 2006-01-13 2009-06-09 Avery Dennison Corporation Optical apparatus with flipped compound prism structures
JP2008003525A (ja) * 2006-06-26 2008-01-10 Fujifilm Corp 光学機能性シート及びその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040079028A (ko) * 2003-03-06 2004-09-14 에스케이씨 주식회사 백라이트 유닛용 프리즘 시트
KR20050087099A (ko) * 2004-02-24 2005-08-31 희성정밀 주식회사 직하형 백라이트 어셈블리의 확산판

Also Published As

Publication number Publication date
JP5595906B2 (ja) 2014-09-24
KR100867919B1 (ko) 2008-11-10
WO2009119936A1 (en) 2009-10-01
US20100328579A1 (en) 2010-12-30
JP2010526333A (ja) 2010-07-29
CN101688989A (zh) 2010-03-31

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Effective date of registration: 20181218

Address after: No. 88 Wufang Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province

Patentee after: Suzhou Lemaxing Photoelectric Co., Ltd.

Address before: Gyeonggi Do, South Korea

Patentee before: Lms Co., Ltd. (KR)