KR102072241B1 - 확산 시트, 백 라이트, 액정 표시 장치 및 확산 시트의 제조 방법 - Google Patents

확산 시트, 백 라이트, 액정 표시 장치 및 확산 시트의 제조 방법 Download PDF

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KR102072241B1
KR102072241B1 KR1020120083778A KR20120083778A KR102072241B1 KR 102072241 B1 KR102072241 B1 KR 102072241B1 KR 1020120083778 A KR1020120083778 A KR 1020120083778A KR 20120083778 A KR20120083778 A KR 20120083778A KR 102072241 B1 KR102072241 B1 KR 102072241B1
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main surface
diffusion sheet
flat portion
structures
light
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Korean (ko)
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KR20130018563A (ko
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준 사사끼
아끼히로 호리이
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소니 주식회사
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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)
KR1020120083778A 2011-08-08 2012-07-31 확산 시트, 백 라이트, 액정 표시 장치 및 확산 시트의 제조 방법 Active KR102072241B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2011-172722 2011-08-08
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

Publications (2)

Publication Number Publication Date
KR20130018563A KR20130018563A (ko) 2013-02-25
KR102072241B1 true KR102072241B1 (ko) 2020-01-31

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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=)

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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
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
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
TWI702443B (zh) * 2018-04-20 2020-08-21 奇美實業股份有限公司 具有突起部之光學板、光學結構、背光模組及顯示裝置
JP6994647B2 (ja) * 2018-06-28 2022-02-04 パナソニックＩｐマネジメント株式会社 照明装置
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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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
JP2008218321A (ja) * 2007-03-07 2008-09-18 Mitsubishi Rayon Co Ltd 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
JP2009223192A (ja) * 2008-03-18 2009-10-01 Sekisui Film Kk 光学素子
JP2010079248A (ja) * 2008-08-29 2010-04-08 Dainippon Printing Co Ltd 光学シート、面光源装置、および、透過型表示装置
JP2011018014A (ja) * 2009-06-07 2011-01-27 Sony Corp 拡散シートおよびその製造方法、バックライトならびに液晶表示装置
US20110096402A1 (en) 2009-10-27 2011-04-28 Eternal Chemical Co., Ltd. Optical film composite

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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
JP3719431B2 (ja) * 2002-09-25 2005-11-24 セイコーエプソン株式会社 光学部品およびその製造方法、表示装置および撮像素子
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
US7883254B2 (en) * 2004-08-06 2011-02-08 Kuraray Co., Ltd. Light guide plate, production method therefor, and surface light source device provided with it
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
KR101158893B1 (ko) * 2005-06-09 2012-06-25 삼성전자주식회사 광학 부재, 이를 갖는 백라이트 어셈블리 및 액정표시장치
JP5102951B2 (ja) * 2005-10-14 2012-12-19 株式会社ジロオコーポレートプラン 光拡散シート及びこれを用いたバックライトユニット
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
US20090033830A1 (en) * 2007-08-03 2009-02-05 Yaw-Huei Tsai Optical sheet
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KR100989311B1 (ko) * 2008-05-15 2010-10-25 제일모직주식회사 휘도향상을 위한 광학적층 필름
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
KR20100032767A (ko) * 2008-09-18 2010-03-26 제일모직주식회사 마이크로렌즈 패턴과 엠보 패턴을 구비하는 확산필름 및 그제조방법
KR101040552B1 (ko) * 2008-11-06 2011-06-16 엘지전자 주식회사 광학 필름, 이를 포함하는 백라이트 유닛 및 액정표시장치
JP5369840B2 (ja) * 2009-04-01 2013-12-18 ソニー株式会社 導光板の製造方法
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
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
JP2008218321A (ja) * 2007-03-07 2008-09-18 Mitsubishi Rayon Co Ltd 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
JP2009223192A (ja) * 2008-03-18 2009-10-01 Sekisui Film Kk 光学素子
JP2010079248A (ja) * 2008-08-29 2010-04-08 Dainippon Printing Co Ltd 光学シート、面光源装置、および、透過型表示装置
JP2011018014A (ja) * 2009-06-07 2011-01-27 Sony Corp 拡散シートおよびその製造方法、バックライトならびに液晶表示装置
US20110096402A1 (en) 2009-10-27 2011-04-28 Eternal Chemical Co., Ltd. Optical film composite

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
CN102928899A (zh) 2013-02-13

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