CN102472865A - 光导 - Google Patents

光导 Download PDF

Info

Publication number
CN102472865A
CN102472865A CN2010800358948A CN201080035894A CN102472865A CN 102472865 A CN102472865 A CN 102472865A CN 2010800358948 A CN2010800358948 A CN 2010800358948A CN 201080035894 A CN201080035894 A CN 201080035894A CN 102472865 A CN102472865 A CN 102472865A
Authority
CN
China
Prior art keywords
photoconduction
integral type
light
flexible integral
microns
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
Application number
CN2010800358948A
Other languages
English (en)
Chinese (zh)
Inventor
杰佛瑞·L·所罗门
布赖恩·A·金德
加里·T·博伊德
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN102472865A publication Critical patent/CN102472865A/zh
Pending legal-status Critical Current

Links

Images

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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/082—Construction of plunger or mould for making solid articles, e.g. lenses having profiled, patterned or microstructured surfaces
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Health & Medical Sciences (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CN2010800358948A 2009-08-12 2010-08-11 光导 Pending CN102472865A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23322609P 2009-08-12 2009-08-12
US61/233,226 2009-08-12
PCT/US2010/045115 WO2011019785A1 (en) 2009-08-12 2010-08-11 Lightguide

Publications (1)

Publication Number Publication Date
CN102472865A true CN102472865A (zh) 2012-05-23

Family

ID=42946617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800358948A Pending CN102472865A (zh) 2009-08-12 2010-08-11 光导

Country Status (6)

Country Link
US (2) US8882323B2 (https=)
EP (1) EP2464996A1 (https=)
JP (1) JP2013502043A (https=)
KR (1) KR101777885B1 (https=)
CN (1) CN102472865A (https=)
WO (1) WO2011019785A1 (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104281333A (zh) * 2013-07-04 2015-01-14 时代光电科技股份有限公司 使光线被导入导光板进行内全反射的结构
CN104460108A (zh) * 2013-09-22 2015-03-25 纬创资通股份有限公司 背光模块
CN104516048A (zh) * 2013-09-30 2015-04-15 三星显示有限公司 导光板、通过挤压制造的导光板及具有导光板的显示装置
CN106200114A (zh) * 2015-05-26 2016-12-07 乐金显示有限公司 具有多个显示区域的液晶显示器及其背光单元
CN106662701A (zh) * 2014-05-16 2017-05-10 康宁股份有限公司 用于液晶显示设备的边缘发光的背光单元

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201008599D0 (en) 2010-05-24 2010-07-07 Design Led Products Ltd Light guide device
TWI520839B (zh) * 2010-07-20 2016-02-11 國立成功大學 可撓性光學板的製造方法、其方法製成的可撓性光學板，及背光模組
KR101685754B1 (ko) * 2011-04-04 2016-12-12 준 사카모토 도광판, 도광판의 제작방법 및 도광판　제작장치
US10145606B2 (en) * 2011-04-26 2018-12-04 Seoul Semiconductor Co., Ltd. Product lighting refrigeration door
CN103064144B (zh) * 2011-10-24 2017-07-18 赛恩倍吉科技顾问（深圳）有限公司 导光板及发光装置
KR101240358B1 (ko) * 2012-08-27 2013-03-11 레이젠 주식회사 광산란긁힘결이 형성된 도광판 제조방법
US9869432B2 (en) 2013-01-30 2018-01-16 Cree, Inc. Luminaires using waveguide bodies and optical elements
US9291320B2 (en) 2013-01-30 2016-03-22 Cree, Inc. Consolidated troffer
US9366396B2 (en) 2013-01-30 2016-06-14 Cree, Inc. Optical waveguide and lamp including same
US9625638B2 (en) 2013-03-15 2017-04-18 Cree, Inc. Optical waveguide body
US9690029B2 (en) 2013-01-30 2017-06-27 Cree, Inc. Optical waveguides and luminaires incorporating same
US10436969B2 (en) 2013-01-30 2019-10-08 Ideal Industries Lighting Llc Optical waveguide and luminaire incorporating same
US9442243B2 (en) 2013-01-30 2016-09-13 Cree, Inc. Waveguide bodies including redirection features and methods of producing same
JP5440989B1 (ja) * 2013-02-25 2014-03-12 ミネベア株式会社 面状照明装置
US10209429B2 (en) 2013-03-15 2019-02-19 Cree, Inc. Luminaire with selectable luminous intensity pattern
US9366799B2 (en) 2013-03-15 2016-06-14 Cree, Inc. Optical waveguide bodies and luminaires utilizing same
US9798072B2 (en) 2013-03-15 2017-10-24 Cree, Inc. Optical element and method of forming an optical element
US10400984B2 (en) 2013-03-15 2019-09-03 Cree, Inc. LED light fixture and unitary optic member therefor
US10436970B2 (en) 2013-03-15 2019-10-08 Ideal Industries Lighting Llc Shaped optical waveguide bodies
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
US10502899B2 (en) * 2013-03-15 2019-12-10 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire
US10379278B2 (en) * 2013-03-15 2019-08-13 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire outdoor and/or enclosed structure LED luminaire having outward illumination
TW201506471A (zh) * 2013-08-14 2015-02-16 Hon Hai Prec Ind Co Ltd 背光模組及具有該背光模組的顯示裝置
JP5784769B2 (ja) 2014-02-12 2015-09-24 ミネベア株式会社 面状照明装置
DE102014220141A1 (de) * 2014-10-06 2016-04-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lichtverteiler, ein System umfassend einen Lichtverteiler und zumindest eine LED-Leuchte sowie ein Verfahren zur Herstellung eines Lichtverteilers
CN107735706A (zh) * 2015-05-13 2018-02-23 康宁股份有限公司 具有减小的热点的光导以及用于制造该光导的方法
US20170146205A1 (en) * 2015-11-20 2017-05-25 John LaForte Cover Plate
US10585230B2 (en) * 2016-03-23 2020-03-10 Microsoft Technology Licensing, Llc Light-steering layer for electronic display
US10288983B2 (en) * 2016-04-26 2019-05-14 Lumileds Llc LED flash ring surrounding camera lens
JP2019519803A (ja) 2016-04-26 2019-07-11 ルミレッズ リミテッド ライアビリティ カンパニー カメラレンズを取り囲むｌｅｄフラッシュリング
US10416377B2 (en) 2016-05-06 2019-09-17 Cree, Inc. Luminaire with controllable light emission
US11719882B2 (en) 2016-05-06 2023-08-08 Ideal Industries Lighting Llc Waveguide-based light sources with dynamic beam shaping
DE102016118884A1 (de) * 2016-10-05 2018-04-05 Temicon Gmbh Lichtumlenkvorrichtung, Beleuchtungseinrichtung und Verwendung
CN107102397A (zh) * 2017-05-19 2017-08-29 武汉华星光电技术有限公司 侧入式导光板和背光模组
JP6931810B2 (ja) * 2017-06-19 2021-09-08 パナソニックＩｐマネジメント株式会社 誘導灯装置
KR101850063B1 (ko) 2017-07-12 2018-04-19 유트로닉스주식회사 다면 발광 조명용 부재 및 이를 이용한 입체형 조명 장치
FI128882B (en) * 2017-12-22 2021-02-15 Dispelix Oy Optical waveguide and diffractive waveguide display
CN114503022B (zh) 2019-10-11 2024-10-01 3M创新有限公司 光学层、光学膜和光学系统
DE102021202098B4 (de) * 2021-03-04 2023-05-17 ITP GmbH Gesellschaft für intelligente textile Produkte Flexibles Flächenlicht sowie textile Flächenkonstruktion oder Kleidungsstück mit einem flexiblen Flächenlicht

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0553111A (ja) * 1991-08-23 1993-03-05 Rohm Co Ltd 薄型エツジライト式液晶表示装置の導光板構造
CN1417625A (zh) * 2001-11-08 2003-05-14 株式会社日立制作所 背照明装置和用背照明装置的液晶显示装置及其制造方法
CN1570720A (zh) * 2003-07-23 2005-01-26 鸿富锦精密工业（深圳）有限公司 背光源装置和液晶显示器
CN1646855A (zh) * 2002-04-22 2005-07-27 三菱丽阳株式会社 面光源装置及面光源装置用导光体

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07261029A (ja) * 1994-03-25 1995-10-13 Nippon Denyo Kk 導光板およびその加工方法
US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
JP3505988B2 (ja) * 1998-01-09 2004-03-15 オムロン株式会社 面光源装置
JP4236740B2 (ja) * 1998-10-05 2009-03-11 日本ライツ株式会社 平面照明装置
US6322236B1 (en) * 1999-02-09 2001-11-27 3M Innovative Properties Company Optical film with defect-reducing surface and method for making same
US7128459B2 (en) * 2001-11-12 2006-10-31 Nidec Copal Corporation Light-guide plate and method for manufacturing the same
JP4436105B2 (ja) 2002-11-29 2010-03-24 富士通株式会社 リフレクタ及び照明装置及び導光板及び表示装置
JP4216577B2 (ja) * 2002-12-20 2009-01-28 シチズン電子株式会社 導光板
US20070201234A1 (en) 2003-07-21 2007-08-30 Clemens Ottermann Luminous element
JP2005123046A (ja) * 2003-10-17 2005-05-12 Seiko Instruments Inc 照明装置及びこれを用いた表示装置
JP4441854B2 (ja) * 2003-11-25 2010-03-31 オムロン株式会社 面光源装置及び当該装置を用いた機器
KR101075232B1 (ko) 2004-02-06 2011-10-20 삼성전자주식회사 도광판, 백라이트 유닛, 액정디스플레이 및 도광판의제조방법
JP4386750B2 (ja) * 2004-02-16 2009-12-16 シチズン電子株式会社 導光板及び導光板を用いた面状光源
CN100434988C (zh) * 2004-02-16 2008-11-19 西铁城电子股份有限公司 导光板
JP4349181B2 (ja) 2004-03-30 2009-10-21 日亜化学工業株式会社 面発光装置
JP2005302458A (ja) * 2004-04-09 2005-10-27 Seiko Instruments Inc 照明装置及びこれを備える表示装置
JP2006210140A (ja) * 2005-01-28 2006-08-10 Radiant Opt-Electronics Corp 光を均一に拡散する導光板
US7350442B2 (en) 2005-11-15 2008-04-01 3M Innovative Properties Company Cutting tool having variable movement in a z-direction laterally along a work piece for making microstructures
US7328638B2 (en) 2005-12-27 2008-02-12 3M Innovative Properties Company Cutting tool using interrupted cut fast tool servo
US20080232135A1 (en) 2006-05-31 2008-09-25 3M Innovative Properties Company Light guide
US20070279935A1 (en) 2006-05-31 2007-12-06 3M Innovative Properties Company Flexible light guide
WO2010060029A1 (en) * 2008-11-24 2010-05-27 3M Innovative Properties Company Input edge coupler
US11571091B2 (en) 2019-05-28 2023-02-07 TidyBoard LLC Cutting board with nested containers
US11738908B2 (en) 2021-03-01 2023-08-29 American Greetings Corporation Pop-up gift bag

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0553111A (ja) * 1991-08-23 1993-03-05 Rohm Co Ltd 薄型エツジライト式液晶表示装置の導光板構造
CN1417625A (zh) * 2001-11-08 2003-05-14 株式会社日立制作所 背照明装置和用背照明装置的液晶显示装置及其制造方法
CN1646855A (zh) * 2002-04-22 2005-07-27 三菱丽阳株式会社 面光源装置及面光源装置用导光体
CN1570720A (zh) * 2003-07-23 2005-01-26 鸿富锦精密工业（深圳）有限公司 背光源装置和液晶显示器

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104281333A (zh) * 2013-07-04 2015-01-14 时代光电科技股份有限公司 使光线被导入导光板进行内全反射的结构
CN104460108A (zh) * 2013-09-22 2015-03-25 纬创资通股份有限公司 背光模块
CN104460108B (zh) * 2013-09-22 2017-03-08 纬创资通股份有限公司 背光模块
CN104516048A (zh) * 2013-09-30 2015-04-15 三星显示有限公司 导光板、通过挤压制造的导光板及具有导光板的显示装置
CN104516048B (zh) * 2013-09-30 2019-07-12 三星显示有限公司 导光板、通过挤压制造的导光板及具有导光板的显示装置
CN106662701A (zh) * 2014-05-16 2017-05-10 康宁股份有限公司 用于液晶显示设备的边缘发光的背光单元
CN106200114A (zh) * 2015-05-26 2016-12-07 乐金显示有限公司 具有多个显示区域的液晶显示器及其背光单元
CN106200114B (zh) * 2015-05-26 2019-10-18 乐金显示有限公司 具有多个显示区域的液晶显示器及其背光单元

Also Published As

Publication number Publication date
US8882323B2 (en) 2014-11-11
JP2013502043A (ja) 2013-01-17
KR20120048676A (ko) 2012-05-15
US20150061167A1 (en) 2015-03-05
WO2011019785A1 (en) 2011-02-17
KR101777885B1 (ko) 2017-09-12
EP2464996A1 (en) 2012-06-20
US20120140518A1 (en) 2012-06-07
US9684119B2 (en) 2017-06-20

Similar Documents

Publication Publication Date Title
CN102472865A (zh) 光导
CN111886441B (zh) 光学器件
KR101362729B1 (ko) 광학 시트, 이의 제조 방법 및 이를 갖는 표시 장치
CN1910399B (zh) 反射器以及背光装置
KR100912260B1 (ko) 표면에 일정 조도를 갖는 액정표시장치용 광학 프리즘 시트
JP3913870B2 (ja) 光学シート、光学シート積層体、面光源装置、及び、透過型表示装置
TWI490608B (zh) 側光式背光模組及導光板
TWI595277B (zh) 光學薄膜堆疊
CN101517465B (zh) 具有光学缺陷掩盖结构的亮度增强光学基材
KR20110086067A (ko) 면광원 소자 및 이것을 구비한 화상 표시 장치
TW201015129A (en) Light guiding plate
KR20090015860A (ko) 얇은 도광판 및 그 제조방법
US20090147385A1 (en) Prism sheet and method for making the same
JP2010050003A (ja) 面発光装置及び画像表示装置
CN101957464A (zh) 一种光学片及其应用
CN100409037C (zh) 光控制薄膜以及使用了它的背照光装置
KR102598767B1 (ko) 슬림형 백라이트 유닛 및 이를 포함하는 액정 표시 장치
JP4191498B2 (ja) 光学素子、その製造方法及び液晶表示装置
TWM343817U (en) Diffusion plate and light guide plate structure using laser engraving
JP2007121675A (ja) 液晶表示装置
JP2011150078A (ja) 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
KR20130118160A (ko) 액정표시장치용 세레이션 도광판 및 이를 이용한 백라이트 유닛
TWI332089B (en) Light guide plate and method for making the same
CN220568955U (zh) 一种光扩散膜片以及显示设备
KR100775839B1 (ko) 중공의 광 파이프

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120523