CN102928899A - 扩散片、背光、液晶显示设备、以及制造扩散片的方法 - Google Patents

扩散片、背光、液晶显示设备、以及制造扩散片的方法 Download PDF

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Publication number
CN102928899A
CN102928899A CN2012102755806A CN201210275580A CN102928899A CN 102928899 A CN102928899 A CN 102928899A CN 2012102755806 A CN2012102755806 A CN 2012102755806A CN 201210275580 A CN201210275580 A CN 201210275580A CN 102928899 A CN102928899 A CN 102928899A
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CN
China
Prior art keywords
flat portion
diffusion sheet
structures
master
diffuser
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.)
Pending
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CN2012102755806A
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English (en)
Chinese (zh)
Inventor
佐佐木纯
堀井明宏
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Sony Corp
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Sony Corp
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Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to CN201811050062.8A priority Critical patent/CN109143428B/zh
Publication of CN102928899A publication Critical patent/CN102928899A/zh
Pending legal-status Critical Current

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    • 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
    • G02B5/02—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
    • G02B5/021—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
    • G02B5/0231—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 microprismatic or micropyramidal shape
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
CN2012102755806A 2011-08-08 2012-08-01 扩散片、背光、液晶显示设备、以及制造扩散片的方法 Pending CN102928899A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811050062.8A CN109143428B (zh) 2011-08-08 2012-08-01 扩散片、背光、液晶显示设备、以及制造扩散片的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011172722A JP2013037164A (ja) 2011-08-08 2011-08-08 拡散シート、バックライト、液晶表示装置および拡散シートの製造方法
JP2011-172722 2011-08-08

Related Child Applications (1)

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CN201811050062.8A Division CN109143428B (zh) 2011-08-08 2012-08-01 扩散片、背光、液晶显示设备、以及制造扩散片的方法

Publications (1)

Publication Number Publication Date
CN102928899A true CN102928899A (zh) 2013-02-13

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN2012102755806A Pending CN102928899A (zh) 2011-08-08 2012-08-01 扩散片、背光、液晶显示设备、以及制造扩散片的方法
CN201811050062.8A Active CN109143428B (zh) 2011-08-08 2012-08-01 扩散片、背光、液晶显示设备、以及制造扩散片的方法

Family Applications After (1)

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CN201811050062.8A Active CN109143428B (zh) 2011-08-08 2012-08-01 扩散片、背光、液晶显示设备、以及制造扩散片的方法

Country Status (5)

Country Link
US (1) US9429690B2 (https=)
JP (1) JP2013037164A (https=)
KR (1) KR102072241B1 (https=)
CN (2) CN102928899A (https=)
TW (1) TWI497122B (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672615A (zh) * 2013-12-13 2014-03-26 中航华东光电有限公司 一种用于成像投影系统的背光模组
CN110389475A (zh) * 2018-04-20 2019-10-29 奇美实业股份有限公司 具有突起部的光学板、光学结构、背光模块及显示装置
CN110657376A (zh) * 2018-06-28 2020-01-07 松下知识产权经营株式会社 照明装置

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AU2013233704C1 (en) * 2012-03-16 2016-07-14 Jx Nippon Oil & Energy Corporation Manufacturing method and manufacturing device for optical substrate having concavo-convex pattern using film-shaped mold, and manufacturing method for device provided with optical substrate
US9890926B2 (en) * 2012-08-02 2018-02-13 Fraen Corporation Low profile multi-lens TIR
CN105051631B (zh) * 2013-03-29 2018-04-27 株式会社牧野铣床制作所 工件的加工面评价方法、控制装置以及工作机械
WO2015155993A1 (ja) * 2014-04-11 2015-10-15 株式会社クラレ 光拡散パターン設計方法、光拡散板の製造方法および光拡散板
US9500941B2 (en) * 2014-04-16 2016-11-22 Seiko Epson Corporation Illumination device and projector
JP6482120B2 (ja) * 2015-03-31 2019-03-13 デクセリアルズ株式会社 原盤の製造方法、光学体の製造方法、光学部材の製造方法、および表示装置の製造方法
JP6647761B2 (ja) * 2015-12-07 2020-02-14 恵和株式会社 上用光拡散シート及びバックライトユニット
US10222518B2 (en) * 2015-12-07 2019-03-05 Keiwa Inc. Light diffusion sheet for overlaying, and backlight unit
KR102736892B1 (ko) * 2018-12-06 2024-12-03 엘지디스플레이 주식회사 백라이트 유닛 및 디스플레이 장치
KR102461674B1 (ko) * 2020-08-21 2022-11-02 주식회사 엘엠에스 광학필름
JP7828650B2 (ja) * 2023-04-28 2026-03-12 Ｋｅｐｌｅｒ株式会社 表示装置、電子機器

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CN1490635A (zh) * 2002-09-25 2004-04-21 ������������ʽ���� 光学部件及其制造方法、微透镜衬底及其制造方法、显示装置、摄像元件
US20060279953A1 (en) * 2005-06-09 2006-12-14 Kim Jin-Soo Optical member, backlight assembly having the same and liquid crystal display device having the same
US20080130316A1 (en) * 2004-08-06 2008-06-05 Kuraray Co., Ltd. Light Guide Plate, Production Method Therefor, And Surface Light Source Device Provided With It
US20090033830A1 (en) * 2007-08-03 2009-02-05 Yaw-Huei Tsai Optical sheet
CN101737711A (zh) * 2008-11-06 2010-06-16 Lg电子株式会社 光学膜、背光模组和液晶显示器

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JP2002189106A (ja) * 2000-12-20 2002-07-05 Dainippon Printing Co Ltd 防眩性フィルムおよびその製造方法、ならびに防眩性フィルムを用いた表示装置
JP2004045471A (ja) * 2002-07-09 2004-02-12 Dainippon Printing Co Ltd 光拡散フィルム及びその製造方法、面光源装置、並びに液晶表示装置
JP4078985B2 (ja) * 2003-01-14 2008-04-23 セイコーエプソン株式会社 導光板成形用金型の製造方法および導光板の製造方法
TW200527016A (en) * 2004-01-26 2005-08-16 Zeon Corp Light guide plate and backlight
JP4604823B2 (ja) 2005-05-10 2011-01-05 ソニー株式会社 面状照明装置及び液晶表示装置
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TW200730886A (en) * 2005-12-21 2007-08-16 Nippon Catalytic Chem Ind Light diffusing sheet and light diffusing plate, and backlight unit and liquid crystal display device employing the same
JP4761472B2 (ja) * 2007-03-07 2011-08-31 三菱レイヨン株式会社 面光源装置用導光体及びその製造方法並びに面光源装置
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JP4642124B2 (ja) * 2008-07-18 2011-03-02 大日本印刷株式会社 光学シート、面光源装置、および、透過型表示装置
JP5272875B2 (ja) * 2008-08-29 2013-08-28 大日本印刷株式会社 光学シート、面光源装置、および、透過型表示装置
KR20100032767A (ko) * 2008-09-18 2010-03-26 제일모직주식회사 마이크로렌즈 패턴과 엠보 패턴을 구비하는 확산필름 및 그제조방법
JP5369840B2 (ja) * 2009-04-01 2013-12-18 ソニー株式会社 導光板の製造方法
JP5569008B2 (ja) * 2009-06-07 2014-08-13 ソニー株式会社 バックライトおよび液晶表示装置
TWI408405B (zh) * 2009-10-27 2013-09-11 Eternal Chemical Co Ltd 光學膜複合物
JP2011133555A (ja) * 2009-12-22 2011-07-07 Toppan Printing Co Ltd 光学シート、バックライトユニットおよびディスプレイ装置
JP5630042B2 (ja) * 2010-03-17 2014-11-26 ソニー株式会社 拡散シートの製造方法

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Publication number Priority date Publication date Assignee Title
CN1490635A (zh) * 2002-09-25 2004-04-21 ������������ʽ���� 光学部件及其制造方法、微透镜衬底及其制造方法、显示装置、摄像元件
US20080130316A1 (en) * 2004-08-06 2008-06-05 Kuraray Co., Ltd. Light Guide Plate, Production Method Therefor, And Surface Light Source Device Provided With It
US20060279953A1 (en) * 2005-06-09 2006-12-14 Kim Jin-Soo Optical member, backlight assembly having the same and liquid crystal display device having the same
US20090033830A1 (en) * 2007-08-03 2009-02-05 Yaw-Huei Tsai Optical sheet
CN101737711A (zh) * 2008-11-06 2010-06-16 Lg电子株式会社 光学膜、背光模组和液晶显示器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672615A (zh) * 2013-12-13 2014-03-26 中航华东光电有限公司 一种用于成像投影系统的背光模组
CN110389475A (zh) * 2018-04-20 2019-10-29 奇美实业股份有限公司 具有突起部的光学板、光学结构、背光模块及显示装置
CN110389475B (zh) * 2018-04-20 2022-04-05 奇美实业股份有限公司 具有突起部的光学板、光学结构、背光模块及显示装置
CN110657376A (zh) * 2018-06-28 2020-01-07 松下知识产权经营株式会社 照明装置
CN110657376B (zh) * 2018-06-28 2022-03-11 松下知识产权经营株式会社 照明装置

Also Published As

Publication number Publication date
KR20130018563A (ko) 2013-02-25
CN109143428B (zh) 2021-10-08
TWI497122B (zh) 2015-08-21
US20130121018A1 (en) 2013-05-16
JP2013037164A (ja) 2013-02-21
TW201326911A (zh) 2013-07-01
US9429690B2 (en) 2016-08-30
CN109143428A (zh) 2019-01-04
KR102072241B1 (ko) 2020-01-31

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Application publication date: 20130213