CN102301272B - 具有增强的光提取的光导 - Google Patents

具有增强的光提取的光导 Download PDF

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Publication number
CN102301272B
CN102301272B CN200980155614.4A CN200980155614A CN102301272B CN 102301272 B CN102301272 B CN 102301272B CN 200980155614 A CN200980155614 A CN 200980155614A CN 102301272 B CN102301272 B CN 102301272B
Authority
CN
China
Prior art keywords
region
tool
light
prisms
etching
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.)
Expired - Fee Related
Application number
CN200980155614.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN102301272A (zh
Inventor
李子成
戴维·A·恩代尔
毛国平
张俊颖
贾米·B·威洛比
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 CN102301272A publication Critical patent/CN102301272A/zh
Application granted granted Critical
Publication of CN102301272B publication Critical patent/CN102301272B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/13—Integrated optical circuits characterised by the manufacturing method
    • G02B6/136—Integrated optical circuits characterised by the manufacturing method by etching
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
CN200980155614.4A 2008-12-18 2009-12-08 具有增强的光提取的光导 Expired - Fee Related CN102301272B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13864908P 2008-12-18 2008-12-18
US61/138,649 2008-12-18
PCT/US2009/067067 WO2010080289A2 (en) 2008-12-18 2009-12-08 Lightguides having enhanced light extraction

Publications (2)

Publication Number Publication Date
CN102301272A CN102301272A (zh) 2011-12-28
CN102301272B true CN102301272B (zh) 2015-06-24

Family

ID=42317050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980155614.4A Expired - Fee Related CN102301272B (zh) 2008-12-18 2009-12-08 具有增强的光提取的光导

Country Status (5)

Country Link
US (2) US8909009B2 (enExample)
EP (1) EP2370854B1 (enExample)
JP (1) JP5667077B2 (enExample)
CN (1) CN102301272B (enExample)
WO (1) WO2010080289A2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301272B (zh) 2008-12-18 2015-06-24 3M创新有限公司 具有增强的光提取的光导
US20120170310A1 (en) * 2011-01-05 2012-07-05 Qualcomm Mems Technologies, Inc. Light guide with uniform light distribution
TWI507786B (zh) * 2013-05-09 2015-11-11 Chi Lin Optoelectronics Co Ltd 顯示裝置及其側光式背光模組
US9739927B2 (en) * 2013-05-28 2017-08-22 Sakai Display Products Corporation Light source device and display apparatus
CN105849604A (zh) * 2013-12-31 2016-08-10 3M创新有限公司 包括具有依赖于方向的提取效率的提取器的光导
CN104614802B (zh) * 2015-03-02 2018-03-20 深圳市华星光电技术有限公司 一种背光模组及其导光板
US10585230B2 (en) * 2016-03-23 2020-03-10 Microsoft Technology Licensing, Llc Light-steering layer for electronic display
CN209728224U (zh) * 2018-06-08 2019-12-03 芝奇国际实业股份有限公司 导光组件及具有导光组件的电子装置
US10598841B1 (en) * 2018-11-20 2020-03-24 G. Skill International Enterprise Co., Ltd. Light guide device
FR3121236B1 (fr) * 2021-03-29 2024-02-09 Optinvent Guide optique et procede de fabrication correspondant
FR3136045B1 (fr) * 2022-05-31 2024-05-24 Valeo Vision Affichage de motifs lumineux sur nappe de guidage flexible
EP4633447A1 (en) 2022-12-16 2025-10-22 Solventum Intellectual Properties Company Wearable optical analyte sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718497A (en) * 1991-11-28 1998-02-17 Enplas Corporation Surface light source device
JP2004226863A (ja) * 2003-01-27 2004-08-12 Towa Corp 導光板成形用金型の加工方法及び金型と導光板
WO2006109921A1 (en) * 2005-04-15 2006-10-19 Korea Institute Of Industrial Technology Manufacturing method of slanted-pyramid microlens and its application to light guide plate
CN1932555A (zh) * 2005-09-12 2007-03-21 金炯俊 键盘背光面板的导光板及其制造方法

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US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US5896119A (en) 1995-06-27 1999-04-20 Silicon Graphics, Inc. Removable backlighting assembly for flat panel display subsystem
US5895115A (en) 1996-01-16 1999-04-20 Lumitex, Inc. Light emitting panel assemblies for use in automotive applications and the like
JPH10235748A (ja) * 1997-02-27 1998-09-08 Seiko Epson Corp 導光体の製造方法
JP3527961B2 (ja) 1999-04-30 2004-05-17 株式会社日立製作所 フロントライト型反射液晶表示装置
JP2001281654A (ja) * 2000-03-29 2001-10-10 Mitsubishi Chemicals Corp 液晶表示素子用バックライト
JP4035998B2 (ja) 2002-01-23 2008-01-23 オムロン株式会社 面光源装置、拡散板及び液晶表示装置
JP4243129B2 (ja) * 2003-04-18 2009-03-25 Ｔｏｗａ株式会社 導光板成形用金型の加工方法
JP4125198B2 (ja) * 2003-07-23 2008-07-30 シャープ株式会社 液晶表示素子
KR100689392B1 (ko) 2005-05-19 2007-03-02 삼성전자주식회사 키 패드와 그를 이용한 키 패드 어셈블리
KR100658951B1 (ko) 2005-07-12 2006-12-19 주식회사 엘에스텍 유연성을 가지는 입력장치 키 후면조광용 백라이트 장치
US7545569B2 (en) 2006-01-13 2009-06-09 Avery Dennison Corporation Optical apparatus with flipped compound prism structures
EP2018263B1 (en) 2006-05-18 2017-03-01 3M Innovative Properties Company Process for making light guides with extraction structures
KR20080006311A (ko) * 2006-07-12 2008-01-16 최우근 도광판 및 이를 갖는 백라이트 어셈블리
JP2008041295A (ja) * 2006-08-02 2008-02-21 Seiko Instruments Inc 照明装置、及び、これを用いた表示装置
KR100827175B1 (ko) * 2007-02-23 2008-05-02 삼성전자주식회사 도파로 시트 및 그 제조방법
JP2008235141A (ja) * 2007-03-23 2008-10-02 Epson Imaging Devices Corp 照明装置、液晶装置及び電子機器
JP2009048847A (ja) * 2007-08-20 2009-03-05 Seiko Instruments Inc 照明装置及びこれを用いた表示装置
JP5951928B2 (ja) 2007-09-06 2016-07-13 スリーエム イノベイティブ プロパティズ カンパニー 光出力の領域制御を提供する光抽出構造体を有する光ガイド
JP2009176562A (ja) * 2008-01-24 2009-08-06 Harison Toshiba Lighting Corp バックライトユニット
CN102301272B (zh) 2008-12-18 2015-06-24 3M创新有限公司 具有增强的光提取的光导

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718497A (en) * 1991-11-28 1998-02-17 Enplas Corporation Surface light source device
JP2004226863A (ja) * 2003-01-27 2004-08-12 Towa Corp 導光板成形用金型の加工方法及び金型と導光板
WO2006109921A1 (en) * 2005-04-15 2006-10-19 Korea Institute Of Industrial Technology Manufacturing method of slanted-pyramid microlens and its application to light guide plate
CN1932555A (zh) * 2005-09-12 2007-03-21 金炯俊 键盘背光面板的导光板及其制造方法

Also Published As

Publication number Publication date
US9429691B2 (en) 2016-08-30
US8909009B2 (en) 2014-12-09
US20110243500A1 (en) 2011-10-06
CN102301272A (zh) 2011-12-28
WO2010080289A3 (en) 2010-09-16
EP2370854A2 (en) 2011-10-05
US20150009586A1 (en) 2015-01-08
WO2010080289A2 (en) 2010-07-15
EP2370854B1 (en) 2016-09-28
EP2370854A4 (en) 2013-07-03
JP5667077B2 (ja) 2015-02-12
JP2012513090A (ja) 2012-06-07

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150624

Termination date: 20201208