KR20120038445A - 광확산 필름 및 그것을 포함하는 액정 표시 장치 - Google Patents

광확산 필름 및 그것을 포함하는 액정 표시 장치 Download PDF

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Publication number
KR20120038445A
KR20120038445A KR1020127001270A KR20127001270A KR20120038445A KR 20120038445 A KR20120038445 A KR 20120038445A KR 1020127001270 A KR1020127001270 A KR 1020127001270A KR 20127001270 A KR20127001270 A KR 20127001270A KR 20120038445 A KR20120038445 A KR 20120038445A
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KR
South Korea
Prior art keywords
light
film
liquid crystal
resin
crystal display
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KR1020127001270A
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English (en)
Korean (ko)
Inventor
야스히로 하바
모토히로 야마하라
Original Assignee
스미또모 가가꾸 가부시키가이샤
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Application filed by 스미또모 가가꾸 가부시키가이샤 filed Critical 스미또모 가가꾸 가부시키가이샤
Publication of KR20120038445A publication Critical patent/KR20120038445A/ko

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/04Prisms
    • G02B5/045Prism arrays
    • 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0025Diffusing sheet or layer; Prismatic 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
    • G02B6/0051Diffusing 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
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504Diffusing, scattering, diffracting elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133562Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Laminated Bodies (AREA)
KR1020127001270A 2009-07-08 2010-07-05 광확산 필름 및 그것을 포함하는 액정 표시 장치 KR20120038445A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2009-161896 2009-07-08
JP2009161896 2009-07-08

Publications (1)

Publication Number Publication Date
KR20120038445A true KR20120038445A (ko) 2012-04-23

Family

ID=43429322

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020127001270A KR20120038445A (ko) 2009-07-08 2010-07-05 광확산 필름 및 그것을 포함하는 액정 표시 장치

Country Status (5)

Country Link
JP (1) JP2011034070A (zh)
KR (1) KR20120038445A (zh)
CN (1) CN102472841A (zh)
TW (1) TWI507740B (zh)
WO (1) WO2011004898A1 (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102483475B (zh) * 2009-09-04 2014-05-21 住友化学株式会社 光扩散膜及其制造方法、光扩散性偏振板以及液晶显示装置
JP2012212121A (ja) * 2011-03-18 2012-11-01 Sumitomo Chemical Co Ltd 偏光子保護フィルム
KR101273099B1 (ko) 2011-05-24 2013-06-13 엘지이노텍 주식회사 광학 시트, 이를 포함하는 표시장치 및 이의 제조방법
JP2013041240A (ja) * 2011-07-20 2013-02-28 Fujifilm Corp 液晶表示装置
WO2013080902A1 (ja) * 2011-12-01 2013-06-06 シャープ株式会社 照明装置、照明灯、バックライト、液晶表示装置、およびテレビジョン受信装置
CN102902101B (zh) * 2012-10-13 2015-08-19 江苏和成显示科技股份有限公司 广视角的液晶显示器
CN103939844A (zh) * 2013-01-17 2014-07-23 鸿富锦精密工业(深圳)有限公司 扩散片及背光模组
JP6778999B2 (ja) * 2015-08-12 2020-11-04 三菱電機株式会社 拡散カバー、照明ランプ及び照明装置
JP6753660B2 (ja) * 2015-10-02 2020-09-09 デクセリアルズ株式会社 拡散板、表示装置、投影装置及び照明装置
CN105700263B (zh) 2016-04-21 2019-08-27 京东方科技集团股份有限公司 一种画质改善膜及其制备方法、显示面板及显示装置
WO2018094651A1 (zh) * 2016-11-24 2018-05-31 美的集团股份有限公司 空调面板及其制造方法和空调器
WO2018094645A1 (zh) * 2016-11-24 2018-05-31 美的集团股份有限公司 空调面板及其制造工艺和空调器
CN109946772A (zh) * 2017-12-21 2019-06-28 张家港康得新光电材料有限公司 一种光扩散层及光扩散片
CN109946773A (zh) * 2017-12-21 2019-06-28 张家港康得新光电材料有限公司 一种薄型光扩散层及光扩散片
CN109946774A (zh) * 2017-12-21 2019-06-28 张家港康得新光电材料有限公司 一种薄型高透光的光扩散层及光扩散片
JP7327401B2 (ja) * 2018-07-31 2023-08-16 東洋紡株式会社 偏光子保護用ポリエステルフィルム及び液晶表示装置
CN108983336B (zh) * 2018-08-22 2022-12-27 张家港康得新光电材料有限公司 一种朗伯体扩散片及应用
CN109270611A (zh) * 2018-12-11 2019-01-25 宁波激智科技股份有限公司 一种高亮度高遮盖的复合光学膜
CN109343268B (zh) * 2018-12-21 2020-06-30 深圳市华星光电技术有限公司 彩色滤光基板、液晶显示面板及液晶显示装置
CN113330340B (zh) * 2019-01-23 2023-10-31 松下知识产权经营株式会社 胶体晶体结构体以及使用了该胶体晶体结构体的发光装置及照明系统
CN110236587B (zh) * 2019-07-11 2024-03-01 上海联影医疗科技股份有限公司 防散射栅格制备方法、探测器装置及医疗影像设备
CN114114496B (zh) * 2020-08-31 2023-03-21 宁波激智科技股份有限公司 一种保偏光学膜及其制备方法
CN113946070A (zh) * 2021-09-26 2022-01-18 深圳市三利谱光电科技股份有限公司 一种相位延迟偏光片及其加工工艺和光学显示装置
CN114815372B (zh) * 2022-05-07 2023-10-31 深圳市华星光电半导体显示技术有限公司 显示面板与显示装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10506500A (ja) * 1994-09-27 1998-06-23 ミネソタ マイニング アンド マニュファクチャリング カンパニー 輝度調節フィルム
JP3727094B2 (ja) * 1996-01-12 2005-12-14 株式会社きもと 液晶ディスプレイ用バックライト
JP2003114304A (ja) * 2001-08-02 2003-04-18 Fuji Photo Film Co Ltd 反射防止フィルム、偏光板、および画像表示装置
CN1503009A (zh) * 2002-11-20 2004-06-09 力特光电科技股份有限公司 抗眩膜
WO2006006254A1 (en) * 2004-07-12 2006-01-19 Fujifilm Corporation Antireflection film, polarizing plate, and image display device using the same
JP2006053538A (ja) * 2004-07-12 2006-02-23 Fuji Photo Film Co Ltd 反射防止フィルム、偏光板、及びそれを用いた画像表示装置
JP5011877B2 (ja) * 2006-08-04 2012-08-29 凸版印刷株式会社 防眩性光拡散部材及び防眩性光拡散部材を有するディスプレイ
KR101382369B1 (ko) * 2006-08-21 2014-04-08 가부시기가이샤 닛뽕쇼꾸바이 미립자, 미립자의 제조방법, 이 미립자를 포함하는 수지 조성물 및 광학 필름
JP4277931B2 (ja) * 2007-03-15 2009-06-10 ソニー株式会社 面発光装置、液晶表示装置及び光学シート組合せ体
TWM353471U (en) * 2008-08-15 2009-03-21 Chunghwa Picture Tubes Ltd Substrate stage

Also Published As

Publication number Publication date
JP2011034070A (ja) 2011-02-17
TWI507740B (zh) 2015-11-11
WO2011004898A1 (ja) 2011-01-13
CN102472841A (zh) 2012-05-23
TW201113560A (en) 2011-04-16

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