WO2008090929A1 - 光拡散板、光拡散層形成用組成液および光拡散板の製造方法 - Google Patents

光拡散板、光拡散層形成用組成液および光拡散板の製造方法 Download PDF

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Publication number
WO2008090929A1
WO2008090929A1 PCT/JP2008/050908 JP2008050908W WO2008090929A1 WO 2008090929 A1 WO2008090929 A1 WO 2008090929A1 JP 2008050908 W JP2008050908 W JP 2008050908W WO 2008090929 A1 WO2008090929 A1 WO 2008090929A1
Authority
WO
WIPO (PCT)
Prior art keywords
light diffusion
diffusion plate
diffusion layer
layer forming
forming liquid
Prior art date
Application number
PCT/JP2008/050908
Other languages
English (en)
French (fr)
Inventor
Hisao Inokuma
Satoru Takagi
Original Assignee
Asahi Glass Company, Limited
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 Asahi Glass Company, Limited filed Critical Asahi Glass Company, Limited
Priority to KR1020097011919A priority Critical patent/KR20090113248A/ko
Priority to JP2008555094A priority patent/JPWO2008090929A1/ja
Publication of WO2008090929A1 publication Critical patent/WO2008090929A1/ja
Priority to US12/503,877 priority patent/US20100014314A1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • 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
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • 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
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/08—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 light absorbing layer
    • G02F2201/086—UV absorbing

Abstract

　液晶ディスプレイ等に用いられる直下型バックライトユニットに設けられる光拡散板は、十分な拡散性能なく大型化への対応が困難であり、また、低コストで光拡散板を作製することが困難であった。 　ガラス基板と、該ガラス基板上に形成される光拡散層からなる光拡散板であり、 　前記光拡散層は、マトリックスと光拡散材からなり、マトリックスと光拡散材の屈折率差の絶対値Δｎが、０．０５以上０．５未満であり、光拡散層中の光拡散材の体積率が３０％以上であることを特徴である光拡散板。
PCT/JP2008/050908 2007-01-23 2008-01-23 光拡散板、光拡散層形成用組成液および光拡散板の製造方法 WO2008090929A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020097011919A KR20090113248A (ko) 2007-01-23 2008-01-23 광 확산판, 광 확산층 형성용 조성액 및 광 확산판의 제조 방법
JP2008555094A JPWO2008090929A1 (ja) 2007-01-23 2008-01-23 光拡散板、光拡散層形成用組成液および光拡散板の製造方法
US12/503,877 US20100014314A1 (en) 2007-01-23 2009-07-16 Light diffusion plate, composition liquid for forming a light diffusion layer and process for producing light diffusion plate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007012677 2007-01-23
JP2007-012677 2007-01-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/503,877 Continuation US20100014314A1 (en) 2007-01-23 2009-07-16 Light diffusion plate, composition liquid for forming a light diffusion layer and process for producing light diffusion plate

Publications (1)

Publication Number Publication Date
WO2008090929A1 true WO2008090929A1 (ja) 2008-07-31

Family

ID=39644503

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050908 WO2008090929A1 (ja) 2007-01-23 2008-01-23 光拡散板、光拡散層形成用組成液および光拡散板の製造方法

Country Status (5)

Country Link
US (1) US20100014314A1 (ja)
JP (1) JPWO2008090929A1 (ja)
KR (1) KR20090113248A (ja)
TW (1) TW200839304A (ja)
WO (1) WO2008090929A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100187987A1 (en) * 2009-01-26 2010-07-29 Asahi Glass Company, Limited Electrode-attached substrate, method for producing the same, organic led element and method for producing the same
JP2010177130A (ja) * 2009-01-30 2010-08-12 Keiwa Inc 導光シート及びこれを用いたバックライトユニット
JP2011257641A (ja) * 2010-06-10 2011-12-22 Suzuden Corp 光拡散部材を用いた照明部材
EP2491302A1 (fr) * 2009-10-20 2012-08-29 Saint-Gobain Glass France Dispositif d'eclairage a diodes electroluminescentes
WO2014020901A1 (ja) * 2012-08-01 2014-02-06 パナソニック株式会社 光学シート、発光装置、光学シートの製造方法及び発光装置の製造方法
JP2015222724A (ja) * 2015-07-09 2015-12-10 三菱電機照明株式会社 光拡散カバー及び拡散光源

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104714263A (zh) 2013-12-16 2015-06-17 松下知识产权经营株式会社 光学薄片以及发光装置
US10120111B2 (en) * 2016-12-14 2018-11-06 Google Llc Thin ceramic imaging screen for camera systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003029010A (ja) * 2001-07-16 2003-01-29 Nippon Sheet Glass Co Ltd 半透過ミラー付き基板及び半透過型液晶表示装置
JP2004109893A (ja) * 2002-09-20 2004-04-08 Fuji Photo Film Co Ltd 液晶表示装置
WO2006132048A1 (ja) * 2005-06-06 2006-12-14 Asahi Glass Company, Limited 光拡散板とその製造方法
WO2006134893A1 (ja) * 2005-06-15 2006-12-21 Konica Minolta Medical & Graphic, Inc. 光学フィルム及び光学フィルム用支持体
WO2006137459A1 (ja) * 2005-06-24 2006-12-28 Idemitsu Kosan Co., Ltd. 光拡散板及びそれを用いた照明装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003029010A (ja) * 2001-07-16 2003-01-29 Nippon Sheet Glass Co Ltd 半透過ミラー付き基板及び半透過型液晶表示装置
JP2004109893A (ja) * 2002-09-20 2004-04-08 Fuji Photo Film Co Ltd 液晶表示装置
WO2006132048A1 (ja) * 2005-06-06 2006-12-14 Asahi Glass Company, Limited 光拡散板とその製造方法
WO2006134893A1 (ja) * 2005-06-15 2006-12-21 Konica Minolta Medical & Graphic, Inc. 光学フィルム及び光学フィルム用支持体
WO2006137459A1 (ja) * 2005-06-24 2006-12-28 Idemitsu Kosan Co., Ltd. 光拡散板及びそれを用いた照明装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100187987A1 (en) * 2009-01-26 2010-07-29 Asahi Glass Company, Limited Electrode-attached substrate, method for producing the same, organic led element and method for producing the same
JP2010177130A (ja) * 2009-01-30 2010-08-12 Keiwa Inc 導光シート及びこれを用いたバックライトユニット
EP2491302A1 (fr) * 2009-10-20 2012-08-29 Saint-Gobain Glass France Dispositif d'eclairage a diodes electroluminescentes
JP2013508909A (ja) * 2009-10-20 2013-03-07 サン−ゴバン グラス フランス 発光ダイオードを有する照明ユニット
JP2011257641A (ja) * 2010-06-10 2011-12-22 Suzuden Corp 光拡散部材を用いた照明部材
WO2014020901A1 (ja) * 2012-08-01 2014-02-06 パナソニック株式会社 光学シート、発光装置、光学シートの製造方法及び発光装置の製造方法
US9851579B2 (en) 2012-08-01 2017-12-26 Panasonic Intellectual Property Management Co., Ltd. Optical sheet, light-emitting device, method for manufacturing optical sheet, and method for manufacturing light-emitting device
JP2015222724A (ja) * 2015-07-09 2015-12-10 三菱電機照明株式会社 光拡散カバー及び拡散光源

Also Published As

Publication number Publication date
KR20090113248A (ko) 2009-10-29
JPWO2008090929A1 (ja) 2010-05-20
TW200839304A (en) 2008-10-01
US20100014314A1 (en) 2010-01-21

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