CN101310213B - 液晶显示器用光扩散板 - Google Patents

液晶显示器用光扩散板 Download PDF

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Publication number
CN101310213B
CN101310213B CN2006800426313A CN200680042631A CN101310213B CN 101310213 B CN101310213 B CN 101310213B CN 2006800426313 A CN2006800426313 A CN 2006800426313A CN 200680042631 A CN200680042631 A CN 200680042631A CN 101310213 B CN101310213 B CN 101310213B
Authority
CN
China
Prior art keywords
light
styrene
resin
liquid crystal
diffusion plate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2006800426313A
Other languages
English (en)
Chinese (zh)
Other versions
CN101310213A (zh
Inventor
宫内雅弘
古谷纪彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Chemical Co Ltd
Original Assignee
Asahi Kasei Chemicals Corp
Asahi Kasei E Materials Corp
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 Kasei Chemicals Corp, Asahi Kasei E Materials Corp filed Critical Asahi Kasei Chemicals Corp
Publication of CN101310213A publication Critical patent/CN101310213A/zh
Application granted granted Critical
Publication of CN101310213B publication Critical patent/CN101310213B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • G02B5/02—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
    • G02B5/0226—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 having particles on the surface
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/03—Viewing layer characterised by chemical composition
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/03—Viewing layer characterised by chemical composition
    • C09K2323/035—Ester polymer, e.g. polycarbonate, polyacrylate or polyester
    • 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
    • G02F2201/54—Arrangements for reducing warping-twist

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)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
CN2006800426313A 2005-11-15 2006-10-11 液晶显示器用光扩散板 Expired - Fee Related CN101310213B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP329616/2005 2005-11-15
JP2005329616 2005-11-15
PCT/JP2006/320298 WO2007058033A1 (ja) 2005-11-15 2006-10-11 液晶ディスプレイ用光拡散板

Publications (2)

Publication Number Publication Date
CN101310213A CN101310213A (zh) 2008-11-19
CN101310213B true CN101310213B (zh) 2011-02-23

Family

ID=38048426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800426313A Expired - Fee Related CN101310213B (zh) 2005-11-15 2006-10-11 液晶显示器用光扩散板

Country Status (7)

Country Link
US (1) US20090233012A1 (enExample)
EP (1) EP1950605A4 (enExample)
JP (1) JPWO2007058033A1 (enExample)
KR (1) KR20080064975A (enExample)
CN (1) CN101310213B (enExample)
TW (1) TW200732754A (enExample)
WO (1) WO2007058033A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008185813A (ja) * 2007-01-30 2008-08-14 Sekisui Plastics Co Ltd 光拡散シート、液晶ディスプレイ用バックライトユニット及び光拡散シート用架橋樹脂粒子
JP4941118B2 (ja) * 2007-06-13 2012-05-30 住友電装株式会社 液晶表示装置
US20110164420A1 (en) * 2010-01-07 2011-07-07 Hung-Wen Lee Diffusion structure for illumination light source
KR101266545B1 (ko) * 2010-11-26 2013-05-24 제일모직주식회사 광확산 필름 및 이를 이용한 백라이트 유닛
JP6058905B2 (ja) * 2011-03-31 2017-01-11 住友化学株式会社 光拡散フィルムの製造方法及び偏光板の製造方法
CN102997183B (zh) * 2012-11-01 2014-07-16 合肥乐凯科技产业有限公司 一种耐摩擦型光扩散膜及背光装置
US10738965B2 (en) * 2014-06-27 2020-08-11 Sekisui Polymatech Co., Ltd. Input component, sensor sheet, and decorative component
JP2016151633A (ja) * 2015-02-17 2016-08-22 信越化学工業株式会社 ペリクル収納容器
JP6449830B2 (ja) * 2016-10-11 2019-01-09 日機装株式会社 試験装置および発光装置の製造方法
JP7286269B2 (ja) * 2018-03-23 2023-06-05 恵和株式会社 バックライトユニット
JP7225583B2 (ja) * 2018-07-09 2023-02-21 大日本印刷株式会社 画像表示装置
JP2021072401A (ja) * 2019-10-31 2021-05-06 ソーラーフロンティア株式会社 光電変換パネル
CN114664999A (zh) * 2022-03-17 2022-06-24 纳晶科技股份有限公司 量子点光学板及其制备方法、发光装置
CN114624922B (zh) * 2022-03-17 2023-06-23 纳晶科技股份有限公司 量子点光学板及含其的发光装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1828343A (zh) * 2005-01-06 2006-09-06 吉田实 光扩散片及使用该光扩散片的背光单元

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968333A (ja) * 1982-10-12 1984-04-18 Toray Silicone Co Ltd 線状オルガノポリシロキサンブロツクを含有するポリマもしくはポリマ組成物の球状硬化物およびその製造方法
JPS6013813A (ja) * 1983-07-05 1985-01-24 Toshiba Silicone Co Ltd ポリメチルシルセスキオキサンの製造方法
JPS6445615A (en) * 1987-08-17 1989-02-20 Nippon Steel Corp Method for injection-molding styrene-conjugated diene block copolymer
JP2002196117A (ja) * 2000-12-25 2002-07-10 Nitto Denko Corp 光拡散層、光拡散性シート及び光学素子
WO2003044572A1 (en) * 2001-11-22 2003-05-30 Takiron Co., Ltd. Light diffusive sheet
JP2004009524A (ja) * 2002-06-06 2004-01-15 Sumitomo Chem Co Ltd 樹脂積層板
JP2004170937A (ja) * 2002-11-06 2004-06-17 Asahi Kasei Chemicals Corp 積層樹脂板
JP4800549B2 (ja) * 2002-12-18 2011-10-26 恵和株式会社 光学シート及びこれを用いたバックライトユニット
JP2004295080A (ja) * 2003-03-13 2004-10-21 Takiron Co Ltd 光拡散シート
US20060209526A1 (en) * 2003-04-02 2006-09-21 Masahiro Miyauchi Light diffusion plate
JP2006076240A (ja) * 2004-09-13 2006-03-23 Asahi Kasei Chemicals Corp スチレン系樹脂板
JP2006116801A (ja) * 2004-10-21 2006-05-11 Asahi Kasei Chemicals Corp 積層樹脂板

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1828343A (zh) * 2005-01-06 2006-09-06 吉田实 光扩散片及使用该光扩散片的背光单元

Also Published As

Publication number Publication date
WO2007058033A1 (ja) 2007-05-24
US20090233012A1 (en) 2009-09-17
CN101310213A (zh) 2008-11-19
JPWO2007058033A1 (ja) 2009-04-30
EP1950605A4 (en) 2008-11-12
TW200732754A (en) 2007-09-01
KR20080064975A (ko) 2008-07-10
TWI313378B (enExample) 2009-08-11
EP1950605A1 (en) 2008-07-30

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: ASAHI KASEI ELECTRONICS MATERIALS CO., LTD.

Free format text: FORMER OWNER: ASAHI CHEMICAL CORP.

Effective date: 20090612

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20090612

Address after: Japan Chiyoda

Applicant after: Asahi Chemical Corp.

Address before: Tokyo, Japan

Applicant before: Asahi Kasei Chemical K. K.

C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110223

Termination date: 20121011