TW200502652A - Prism sheet of back light unit for LCD - Google Patents

Prism sheet of back light unit for LCD

Info

Publication number
TW200502652A
TW200502652A TW093117036A TW93117036A TW200502652A TW 200502652 A TW200502652 A TW 200502652A TW 093117036 A TW093117036 A TW 093117036A TW 93117036 A TW93117036 A TW 93117036A TW 200502652 A TW200502652 A TW 200502652A
Authority
TW
Taiwan
Prior art keywords
backlight unit
cycle
prism sheet
lcd
length direction
Prior art date
Application number
TW093117036A
Other languages
English (en)
Inventor
Young-Shig Shim
Sung-Min Cho
Eun-Mi Lee
Soon-Ryong Park
Original Assignee
Lgs Corp 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 Lgs Corp Ltd filed Critical Lgs Corp Ltd
Publication of TW200502652A publication Critical patent/TW200502652A/zh

Links

Classifications

    • 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
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
TW093117036A 2003-07-01 2004-06-14 Prism sheet of back light unit for LCD TW200502652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030044316A KR100432347B1 (ko) 2003-07-01 2003-07-01 백라이트 유닛의 집광시트

Publications (1)

Publication Number Publication Date
TW200502652A true TW200502652A (en) 2005-01-16

Family

ID=36785111

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093117036A TW200502652A (en) 2003-07-01 2004-06-14 Prism sheet of back light unit for LCD

Country Status (7)

Country Link
US (1) US7488095B2 (zh)
JP (1) JP2007520723A (zh)
KR (1) KR100432347B1 (zh)
CN (1) CN100430800C (zh)
AU (1) AU2003269523A1 (zh)
TW (1) TW200502652A (zh)
WO (1) WO2005003851A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100422805C (zh) * 2006-09-25 2008-10-01 友达光电股份有限公司 液晶显示面板

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133458A2 (en) 2005-06-09 2006-12-14 Ubright Optronics Corporation Moire reducing optical substrates with irregular prism structures
US9366875B2 (en) * 2005-06-09 2016-06-14 Ubright Optronics Corporation Light directing film
KR101132947B1 (ko) * 2005-06-29 2012-04-05 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
KR20070008152A (ko) 2005-07-13 2007-01-17 삼성전자주식회사 집광 부재, 이를 구비한 백라이트 어셈블리, 및 이를구비한 표시 장치
US7815355B2 (en) 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
TW200736754A (en) * 2006-03-31 2007-10-01 Gamma Optical Co Ltd Optical film for edge-type backlight module
TWI278662B (en) * 2006-03-31 2007-04-11 Gamma Optical Co Ltd Optical film structure
JP4105736B2 (ja) 2006-04-28 2008-06-25 日立マクセル株式会社 レンズシート、それを用いたバックライト及び表示装置
JP4880697B2 (ja) * 2006-11-09 2012-02-22 シャープ株式会社 プリズムシート及び液晶表示装置
KR100837305B1 (ko) * 2007-03-15 2008-06-12 엘지전자 주식회사 광학 시트, 이를 이용한 백라이트 유닛 및 액정 표시 장치
KR100936715B1 (ko) 2007-03-16 2010-01-13 엘지전자 주식회사 광학필름 및 이를 포함하는 디스플레이 장치
CN101363926B (zh) * 2007-08-07 2011-11-16 鸿富锦精密工业（深圳）有限公司 液晶显示装置及其棱镜片
KR100935717B1 (ko) 2007-09-03 2010-01-08 제일모직주식회사 능선이 기울기를 가지도록 형성된 프리즘 시트 및 이를이용한 액정표시장치
KR100918033B1 (ko) * 2007-09-05 2009-09-18 제일모직주식회사 곡선형 능선을 가지는 수분 배출성이 우수한 프리즘 시트및 이를 이용한 액정표시장치
KR20150076260A (ko) 2007-09-21 2015-07-06 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광학 필름
KR101604243B1 (ko) * 2007-12-31 2016-03-18 삼성디스플레이 주식회사 도광판, 이를 포함한 백라이트 어셈블리 및 액정 표시 장치
JP5702151B2 (ja) * 2008-02-07 2015-04-15 スリーエム イノベイティブ プロパティズ カンパニー 構造化フィルムを有する中空のバックライト
TW200949369A (en) * 2008-02-15 2009-12-01 3M Innovative Properties Co Brightness enhancing film and film based diffuser for improved illumination uniformity of displays
KR100817768B1 (ko) * 2008-02-29 2008-03-31 주식회사 엘지에스 광학시트 및 이를 구비한 액정표시장치
KR101609400B1 (ko) 2008-04-02 2016-04-05 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 지향 필름 또는 광 지향 물품
KR101234841B1 (ko) 2008-08-04 2013-02-19 제일모직주식회사 길이방향 웨이브 패턴의 집광부 및 반사부를 갖는프리즘시트, 이를 채용한 백라이트 유니트, 및 상기백라이트 유니트를 구비한 액정표시장치
US20100042669A1 (en) * 2008-08-14 2010-02-18 Searete Llc, A Limited Liability Corporation Of The State Of Delaware System and method for modifying illusory user identification characteristics
CN102590905B (zh) * 2011-01-05 2016-05-18 迎辉科技股份有限公司 具有高低起伏结构的光学膜
FR2973555B1 (fr) * 2011-04-01 2014-05-16 Valeo Systemes Thermiques Module de commande et d'affichage pour vehicule automobile
CN102213780A (zh) * 2011-07-13 2011-10-12 北京康得新复合材料股份有限公司 一种棱镜结构增光膜
TWI459043B (zh) * 2011-10-04 2014-11-01 Au Optronics Corp 光學膜片及應用其之背光模組
CN103630953B (zh) * 2012-08-22 2016-08-03 北京京东方光电科技有限公司 一种棱镜膜及其制备方法及装置
KR101980698B1 (ko) 2012-10-15 2019-05-22 삼성디스플레이 주식회사 프리즘 시트, 이를 포함하는 백라이트 유닛 및 그 제조 방법
JP6119490B2 (ja) 2013-07-31 2017-04-26 ソニー株式会社 光源装置、および表示装置
KR102232693B1 (ko) 2014-10-17 2021-03-29 삼성디스플레이 주식회사 플렉서블 디스플레이 장치
CN106226859B (zh) * 2015-06-02 2019-09-06 友辉光电股份有限公司 光导向膜
CN104991297A (zh) * 2015-07-16 2015-10-21 宁波东旭成新材料科技有限公司 自修复增亮膜
CN106704847A (zh) * 2016-12-29 2017-05-24 中山市光大光学仪器有限公司 聚光照明设备
CN107884990B (zh) * 2017-11-30 2022-02-22 武汉天马微电子有限公司 一种背光模组及显示装置
US11491672B2 (en) * 2018-09-21 2022-11-08 Dexerials Corporation Microfabrication device, microfabrication method, transfer mold, and transfer object
WO2023019139A1 (en) * 2021-08-10 2023-02-16 Edmund Optics, Inc. Optical component for redirecting light

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3688036B2 (ja) * 1995-12-04 2005-08-24 大日本印刷株式会社 非光拡散性導光板を用いた面光源装置、及びレンズフィルム
CA2318790C (en) * 1998-02-18 2004-03-30 Minnesota Mining And Manufacturing Company Optical film
JP2001004846A (ja) * 1999-06-21 2001-01-12 Fujitsu Kasei Kk 導光板
JP2001188126A (ja) * 2000-01-05 2001-07-10 Fuji Photo Film Co Ltd 偏光分離プリズムシートおよび照明装置
JP2002050219A (ja) * 2000-07-25 2002-02-15 Internatl Business Mach Corp <Ibm> 面状光源装置、導光板、表示装置
US7230764B2 (en) * 2000-08-18 2007-06-12 Reflexite Corporation Differentially-cured materials and process for forming same
EP1852735A1 (en) * 2000-12-13 2007-11-07 Mitsubishi Rayon Co. Ltd. Light source device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100422805C (zh) * 2006-09-25 2008-10-01 友达光电股份有限公司 液晶显示面板

Also Published As

Publication number Publication date
US7488095B2 (en) 2009-02-10
AU2003269523A1 (en) 2005-01-21
KR100432347B1 (ko) 2004-05-20
CN1788231A (zh) 2006-06-14
WO2005003851A1 (en) 2005-01-13
CN100430800C (zh) 2008-11-05
US20070097708A1 (en) 2007-05-03
JP2007520723A (ja) 2007-07-26

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