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WO2009028439A1 - プリズムシート、それを用いたバックライトユニットおよび液晶表示装置 - Google Patents

プリズムシート、それを用いたバックライトユニットおよび液晶表示装置 Download PDF

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Publication number
WO2009028439A1
WO2009028439A1 PCT/JP2008/065075 JP2008065075W WO2009028439A1 WO 2009028439 A1 WO2009028439 A1 WO 2009028439A1 JP 2008065075 W JP2008065075 W JP 2008065075W WO 2009028439 A1 WO2009028439 A1 WO 2009028439A1
Authority
WO
WIPO (PCT)
Prior art keywords
prism sheet
liquid crystal
display device
crystal display
backlight unit
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.)
Ceased
Application number
PCT/JP2008/065075
Other languages
English (en)
French (fr)
Inventor
Masashi Miyamoto
Masanao Takashima
Ryuichi Saga
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.)
DIC Corp
Original Assignee
DIC Corp
Dainippon Ink and Chemicals Co Ltd
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 DIC Corp, Dainippon Ink and Chemicals Co Ltd filed Critical DIC Corp
Priority to CN200880105056.6A priority Critical patent/CN101796437B/zh
Priority to US12/675,221 priority patent/US8497953B2/en
Priority to JP2009530097A priority patent/JP4412425B2/ja
Publication of WO2009028439A1 publication Critical patent/WO2009028439A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

液晶表示装置に用いるバックライトユニットのプリズムシートとして用いられたときに、モアレ縞を抑制する効果が高く、高い正面輝度が得られ、かつ部品点数を減らすことができるプリズムシートを提供することにある。 一方の面に、互いに平行かつ等間隔に形成された稜を有するプリズム列を有し、他方の面に多孔質粒子を含有する光拡散層を有することを特徴とするプリズムシートを提供する。光透過性シートを挟んで一方にプルズム列、一方に光拡散層を有することが好ましい
PCT/JP2008/065075 2007-08-28 2008-08-25 プリズムシート、それを用いたバックライトユニットおよび液晶表示装置 Ceased WO2009028439A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880105056.6A CN101796437B (zh) 2007-08-28 2008-08-25 棱镜片、采用该棱镜片的背光单元及液晶显示装置
US12/675,221 US8497953B2 (en) 2007-08-28 2008-08-25 Prism sheet, and backlight unit and liquid crystal display device using prism sheet
JP2009530097A JP4412425B2 (ja) 2007-08-28 2008-08-25 プリズムシート、それを用いたバックライトユニットおよび液晶表示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-220939 2007-08-28
JP2007220939 2007-08-28

Publications (1)

Publication Number Publication Date
WO2009028439A1 true WO2009028439A1 (ja) 2009-03-05

Family

ID=40387159

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065075 Ceased WO2009028439A1 (ja) 2007-08-28 2008-08-25 プリズムシート、それを用いたバックライトユニットおよび液晶表示装置

Country Status (6)

Country Link
US (1) US8497953B2 (ja)
JP (1) JP4412425B2 (ja)
KR (1) KR20100037146A (ja)
CN (1) CN101796437B (ja)
TW (1) TW200916844A (ja)
WO (1) WO2009028439A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010281986A (ja) * 2009-06-04 2010-12-16 Ube Ind Ltd 光拡散フィルム
WO2011130952A1 (zh) * 2010-04-23 2011-10-27 上海凯鑫森产业投资控股有限公司 一种用于背光模块的光学棱镜片
CN102770704A (zh) * 2010-02-26 2012-11-07 可乐丽股份有限公司 导光板及导光板的制造方法
JP2014044425A (ja) * 2012-08-24 2014-03-13 Skc Haas Display Films Co Ltd 面光源装置のための光学シート
CN104412131A (zh) * 2012-06-25 2015-03-11 株式会社Lms 具有互不相同的厚度的光学片的光学片模块
JP2015069097A (ja) * 2013-09-30 2015-04-13 大日本印刷株式会社 光学シート、面光源装置、表示装置および光学シートの製造方法
JP2015106028A (ja) * 2013-11-29 2015-06-08 帝人デュポンフィルム株式会社 直下型面光源用白色反射フィルム

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US8956034B1 (en) * 2009-08-27 2015-02-17 Rockwell Collins, Inc. System and method for providing a tailored angular distribution of light from a display
KR20110076373A (ko) * 2009-12-29 2011-07-06 엘지디스플레이 주식회사 엘에스에프 및 이를 포함하는 액정표시장치
JP2012014909A (ja) 2010-06-30 2012-01-19 Omron Corp 面光源装置
WO2012111168A1 (ja) * 2011-02-16 2012-08-23 住友化学株式会社 液晶パネルおよびこれを用いた液晶表示装置
CN102959464B (zh) * 2011-04-15 2016-04-27 松下电器产业株式会社 光偏转器、光偏转装置以及使用这些的液晶显示装置
US8827532B2 (en) * 2011-04-22 2014-09-09 3M Innovative Properties Company Light guides
TWI473318B (zh) * 2011-08-25 2015-02-11 Ind Tech Res Inst 光學膜以及發光裝置
TWI547736B (zh) * 2011-11-16 2016-09-01 友達光電股份有限公司 複合光學膜及應用其之背光模組
CN103064138A (zh) * 2012-12-28 2013-04-24 深圳大学 一种光扩散材料及其制备方法
CN104779265B (zh) 2014-01-14 2020-07-07 松下电器产业株式会社 发光装置
TWI522696B (zh) 2014-05-29 2016-02-21 友達光電股份有限公司 具透視顯示功能之電子裝置及其顯示裝置
JP2016114935A (ja) * 2014-12-10 2016-06-23 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 光偏向拡散シート、積層光偏向拡散シート、積層光学シート、および、液晶表示装置
GB2537088B (en) * 2014-12-22 2017-09-20 Evans Turner (Finishes) Ltd Light panel
KR102281937B1 (ko) * 2014-12-29 2021-07-28 삼성디스플레이 주식회사 표시 장치
CN109219593B (zh) * 2016-06-03 2022-04-22 Dic株式会社 含有取代或未取代烯丙基的马来酰亚胺化合物及其制造方法、以及使用前述化合物的组合物及固化物
US11099314B2 (en) * 2017-01-04 2021-08-24 3M Innovative Properties Company Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane
EP3585469A4 (en) 2017-02-21 2020-12-09 Microvention, Inc. ELECTRIC CATHETER
CN107167856A (zh) * 2017-04-25 2017-09-15 欧普照明股份有限公司 棱镜扩散板、棱镜扩散板制备方法及灯具
CN108153060A (zh) * 2018-02-01 2018-06-12 广东欧珀移动通信有限公司 背光模组、显示装置和电子设备
CN108469642B (zh) * 2018-03-29 2021-03-12 京东方科技集团股份有限公司 一种棱镜膜、背光模组及显示装置
CN108508516A (zh) * 2018-04-19 2018-09-07 京东方科技集团股份有限公司 一种扩散片及其制备方法、背光模组、显示装置
CN108571710A (zh) * 2018-05-17 2018-09-25 浙江彩丞照明科技有限公司 一种可消除莫尔干涉的防眩光扩散板及led照明装置
CN112987411A (zh) * 2019-12-13 2021-06-18 深圳市隆利科技股份有限公司 侧入式背光模组及电子设备
JP7421386B2 (ja) * 2020-03-19 2024-01-24 シャープ株式会社 表示装置及びヘッドマウントディスプレイ

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JPH095404A (ja) * 1995-06-19 1997-01-10 Matsushita Electric Ind Co Ltd 回路機能ブロックの信頼性試験方法
JP2004061598A (ja) * 2002-07-25 2004-02-26 Toray Ind Inc 光拡散フィルムおよびその製造方法
JP2006297814A (ja) * 2005-04-22 2006-11-02 Omron Corp 光プリンタヘッド
JP2008027687A (ja) * 2006-07-20 2008-02-07 Kimoto & Co Ltd バックライト用光学部材およびバックライト

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US6280063B1 (en) * 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
JP2004004417A (ja) * 2002-04-18 2004-01-08 Nitto Denko Corp 光拡散性シート、光学素子および画像表示装置
KR101174770B1 (ko) * 2005-02-28 2012-08-17 엘지디스플레이 주식회사 백라이트 유닛 및 이를 이용한 액정표시장치
US7297381B2 (en) * 2005-05-20 2007-11-20 General Electric Company Light diffusing films, methods of making the same, and articles using the same
US7573549B2 (en) * 2006-08-29 2009-08-11 Toppan Printing Co., Ltd. Optical device, polarizing plate, diffuser, diffusing film, polarizing film and liquid crystal image display apparatus
WO2008069320A1 (ja) * 2006-12-08 2008-06-12 Mitsubishi Rayon Co., Ltd., レンズシート、面光源装置及び液晶表示装置

Patent Citations (4)

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JPH095404A (ja) * 1995-06-19 1997-01-10 Matsushita Electric Ind Co Ltd 回路機能ブロックの信頼性試験方法
JP2004061598A (ja) * 2002-07-25 2004-02-26 Toray Ind Inc 光拡散フィルムおよびその製造方法
JP2006297814A (ja) * 2005-04-22 2006-11-02 Omron Corp 光プリンタヘッド
JP2008027687A (ja) * 2006-07-20 2008-02-07 Kimoto & Co Ltd バックライト用光学部材およびバックライト

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010281986A (ja) * 2009-06-04 2010-12-16 Ube Ind Ltd 光拡散フィルム
CN102770704A (zh) * 2010-02-26 2012-11-07 可乐丽股份有限公司 导光板及导光板的制造方法
WO2011130952A1 (zh) * 2010-04-23 2011-10-27 上海凯鑫森产业投资控股有限公司 一种用于背光模块的光学棱镜片
CN104412131A (zh) * 2012-06-25 2015-03-11 株式会社Lms 具有互不相同的厚度的光学片的光学片模块
JP2014044425A (ja) * 2012-08-24 2014-03-13 Skc Haas Display Films Co Ltd 面光源装置のための光学シート
JP2015069097A (ja) * 2013-09-30 2015-04-13 大日本印刷株式会社 光学シート、面光源装置、表示装置および光学シートの製造方法
JP2015106028A (ja) * 2013-11-29 2015-06-08 帝人デュポンフィルム株式会社 直下型面光源用白色反射フィルム

Also Published As

Publication number Publication date
CN101796437B (zh) 2014-03-19
US8497953B2 (en) 2013-07-30
CN101796437A (zh) 2010-08-04
JP4412425B2 (ja) 2010-02-10
KR20100037146A (ko) 2010-04-08
US20100245717A1 (en) 2010-09-30
TW200916844A (en) 2009-04-16
JPWO2009028439A1 (ja) 2010-12-02

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