WO2011004898A1 - Film de diffusion de lumière et dispositif d'affichage à cristaux liquides le comprenant - Google Patents

Film de diffusion de lumière et dispositif d'affichage à cristaux liquides le comprenant Download PDF

Info

Publication number
WO2011004898A1
WO2011004898A1 PCT/JP2010/061729 JP2010061729W WO2011004898A1 WO 2011004898 A1 WO2011004898 A1 WO 2011004898A1 JP 2010061729 W JP2010061729 W JP 2010061729W WO 2011004898 A1 WO2011004898 A1 WO 2011004898A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
film
liquid crystal
resin
crystal display
Prior art date
Application number
PCT/JP2010/061729
Other languages
English (en)
Japanese (ja)
Inventor
羽場康弘
山原基裕
Original Assignee
住友化学株式会社
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
Application filed by 住友化学株式会社 filed Critical 住友化学株式会社
Priority to CN2010800299992A priority Critical patent/CN102472841A/zh
Publication of WO2011004898A1 publication Critical patent/WO2011004898A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing 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
    • G02B5/0221—Diffusing 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means 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
    • G02B6/0025—Diffusing sheet or layer; Prismatic 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
    • G02B6/0051—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
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side

Abstract

L'invention porte sur un film de diffusion de lumière qui comprend un film de base et une couche de diffusion de lumière qui a une surface plate et est composée d'une résine transmettant la lumière et de fines particules transmettant la lumière et dispersées dans la résine transmettant la lumière. Le film de diffusion de lumière a un contraste avant élevé et un large angle de visualisation sans souffrir d'une scintillation. Les fines particules transmettant la lumière ont un diamètre de particule moyen de 0,5 µm ou plus, mais de moins de 20 µm, et sont contenues sous une quantité de 25-60 parties en poids (inclus) par 100 parties en poids de la résine transmettant la lumière. L'indice de réfraction des fines particules transmettant la lumière est supérieur à l'indice de réfraction de la résine transmettant la lumière, et la différence entre l'indice de réfraction des fines particules transmettant la lumière et l'indice de réfraction de la résine transmettant la lumière est de 0,04-0,2 (inclus). L'épaisseur de la couche de diffusion de lumière est 1-3 fois (inclus) le diamètre de particule moyen des fines particules transmettant la lumière. L'invention porte également sur un dispositif d'affichage à cristaux liquides qui comporte le film de diffusion de lumière.
PCT/JP2010/061729 2009-07-08 2010-07-05 Film de diffusion de lumière et dispositif d'affichage à cristaux liquides le comprenant WO2011004898A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010800299992A CN102472841A (zh) 2009-07-08 2010-07-05 光扩散膜及包含该光扩散膜的液晶显示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-161896 2009-07-08
JP2009161896 2009-07-08

Publications (1)

Publication Number Publication Date
WO2011004898A1 true WO2011004898A1 (fr) 2011-01-13

Family

ID=43429322

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/061729 WO2011004898A1 (fr) 2009-07-08 2010-07-05 Film de diffusion de lumière et dispositif d'affichage à cristaux liquides le comprenant

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114114496A (zh) * 2020-08-31 2022-03-01 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

Families Citing this family (23)

* 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 (fr) * 2011-12-01 2013-06-06 シャープ株式会社 Dispositif d'éclairage, lampe d'éclairage, éclairage par l'arrière, dispositif d'affichage à cristaux liquides et récepteur de télévision
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 (fr) * 2016-11-24 2018-05-31 美的集团股份有限公司 Panneau de climatiseur, son procédé de fabrication et climatiseur
WO2018094645A1 (fr) * 2016-11-24 2018-05-31 美的集团股份有限公司 Panneau de climatiseur, son procédé de fabrication et climatiseur
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
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
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
WO2020026891A1 (fr) * 2018-07-31 2020-02-06 東洋紡株式会社 Film de polyester servant à protéger un polariseur, et dispositif d'affichage à cristaux liquides
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
EP3916438A4 (fr) * 2019-01-23 2022-06-15 Panasonic Intellectual Property Management Co., Ltd. Structure de cristal colloïdal, et dispositif électroluminescent et système d'éclairage l'utilisant
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
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09197109A (ja) * 1996-01-12 1997-07-31 Kimoto & Co Ltd 光拡散性シート
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
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
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
JP2008040064A (ja) * 2006-08-04 2008-02-21 Toppan Printing Co Ltd 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
JP2008258141A (ja) * 2007-03-15 2008-10-23 Sony Corp 面発光装置、液晶表示装置及び光学シート組合せ体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1503009A (zh) * 2002-11-20 2004-06-09 力特光电科技股份有限公司 抗眩膜
US20070236631A1 (en) * 2004-07-12 2007-10-11 Fuji Photo Film Co., Ltd. Antireflection Film, Polarizing Plate, and Image Display Device Using the Same
KR101382369B1 (ko) * 2006-08-21 2014-04-08 가부시기가이샤 닛뽕쇼꾸바이 미립자, 미립자의 제조방법, 이 미립자를 포함하는 수지 조성물 및 광학 필름
TWM353471U (en) * 2008-08-15 2009-03-21 Chunghwa Picture Tubes Ltd Substrate stage

Patent Citations (6)

* 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
JPH09197109A (ja) * 1996-01-12 1997-07-31 Kimoto & Co Ltd 光拡散性シート
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
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
JP2008040064A (ja) * 2006-08-04 2008-02-21 Toppan Printing Co Ltd 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
JP2008258141A (ja) * 2007-03-15 2008-10-23 Sony Corp 面発光装置、液晶表示装置及び光学シート組合せ体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114114496A (zh) * 2020-08-31 2022-03-01 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
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

Also Published As

Publication number Publication date
TW201113560A (en) 2011-04-16
CN102472841A (zh) 2012-05-23
JP2011034070A (ja) 2011-02-17
KR20120038445A (ko) 2012-04-23
TWI507740B (zh) 2015-11-11

Similar Documents

Publication Publication Date Title
WO2011004898A1 (fr) Film de diffusion de lumière et dispositif d'affichage à cristaux liquides le comprenant
WO2011027903A1 (fr) Film diffuseur de lumière et son procédé de fabrication, plaque de polarisation diffuseuse de lumière, et dispositif d'affichage à cristaux liquides
WO2010073985A1 (fr) Film optique et dispositif d'affichage à cristaux liquides le comprenant
WO2011027905A1 (fr) Film diffuseur de lumière et son procédé de fabrication, plaque de polarisation diffuseuse de lumière, et dispositif d'affichage à cristaux liquides
WO2009123114A1 (fr) Dispositif d'affichage à cristaux liquides
WO2010073997A1 (fr) Film optique et dispositif d'affichage à cristaux liquides le comprenant
WO2010113873A1 (fr) Dispositif d'affichage à cristaux liquides
WO2011162133A1 (fr) Plaque de polarisation de diffusion de lumière et dispositif d'affichage à cristaux liquides
WO2011162184A1 (fr) Plaque de polarisation diffusant la lumière et dispositif d'affichage à cristaux liquides.
WO2012043410A1 (fr) Plaque polarisante diffusant la lumière et dispositif d'affichage à cristaux liquides
WO2010018812A1 (fr) Unité à trajet optique et dispositif d'affichage à cristaux liquides
WO2011162188A1 (fr) Plaque de polarisation de diffusion de lumière et dispositif d'affichage à cristaux liquides
WO2010113879A1 (fr) Dispositif d'affichage à cristaux liquides
JP6058905B2 (ja) 光拡散フィルムの製造方法及び偏光板の製造方法
WO2011004906A1 (fr) Dispositif d'affichage à cristaux liquides et film de diffusion de lumière
JP5827811B2 (ja) 液晶表示装置
WO2012074123A1 (fr) Film optique et dispositif d'affichage à cristaux liquides
WO2011162132A1 (fr) Plaque de polarisation de difusion de lumière et dispositif d'affichage à cristaux liquides

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201080029999.2

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10797209

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20127001270

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 10797209

Country of ref document: EP

Kind code of ref document: A1