JP5390129B2 - 光ガイドバー、線光源装置、面光源装置及びディスプレイ装置 - Google Patents

光ガイドバー、線光源装置、面光源装置及びディスプレイ装置 Download PDF

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Publication number
JP5390129B2
JP5390129B2 JP2008164330A JP2008164330A JP5390129B2 JP 5390129 B2 JP5390129 B2 JP 5390129B2 JP 2008164330 A JP2008164330 A JP 2008164330A JP 2008164330 A JP2008164330 A JP 2008164330A JP 5390129 B2 JP5390129 B2 JP 5390129B2
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JP
Japan
Prior art keywords
light
light source
source device
incident
light emitting
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
JP2008164330A
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English (en)
Japanese (ja)
Other versions
JP2009026754A5 (enExample
JP2009026754A (ja
Inventor
泳 燦 金
文 圭 李
プルドニコフ オレグ
圭 ▲みん▼ 崔
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.)
Samsung Display Co Ltd
Original Assignee
Samsung Display Co 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 Samsung Display Co Ltd filed Critical Samsung Display Co Ltd
Publication of JP2009026754A publication Critical patent/JP2009026754A/ja
Publication of JP2009026754A5 publication Critical patent/JP2009026754A5/ja
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
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Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means 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
    • G02B6/0028Light guide, e.g. taper
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0038Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0045Means 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
    • G02B6/0046Tapered light guide, e.g. wedge-shaped light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0063Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2008164330A 2007-07-19 2008-06-24 光ガイドバー、線光源装置、面光源装置及びディスプレイ装置 Expired - Fee Related JP5390129B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070072487A KR101446951B1 (ko) 2007-07-19 2007-07-19 광 가이드 바, 선광원장치, 면광원장치, 및 디스플레이장치
KR10-2007-0072487 2007-07-19

Publications (3)

Publication Number Publication Date
JP2009026754A JP2009026754A (ja) 2009-02-05
JP2009026754A5 JP2009026754A5 (enExample) 2011-08-11
JP5390129B2 true JP5390129B2 (ja) 2014-01-15

Family

ID=40264700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008164330A Expired - Fee Related JP5390129B2 (ja) 2007-07-19 2008-06-24 光ガイドバー、線光源装置、面光源装置及びディスプレイ装置

Country Status (3)

Country Link
US (1) US7850357B2 (enExample)
JP (1) JP5390129B2 (enExample)
KR (1) KR101446951B1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100998484B1 (ko) * 2010-07-07 2010-12-06 레이져라이팅(주) 레이저 빔의 광경로 거리가 일정한 도광판 레이저 가공장치
KR101867283B1 (ko) 2011-01-24 2018-06-15 삼성디스플레이 주식회사 광가이드바, 이를 포함하는 백라이트 어셈블리 및 이를 포함하는 표시장치
US8740436B2 (en) * 2011-02-10 2014-06-03 Dell Products L.P. Display assembly and methods
CN102606947B (zh) * 2012-02-28 2016-06-01 深圳市华星光电技术有限公司 背光模组
WO2013161811A1 (ja) * 2012-04-27 2013-10-31 三菱電機株式会社 面光源装置及び液晶表示装置
TWI507783B (zh) 2012-09-12 2015-11-11 E Ink Holdings Inc 顯示裝置
US9690029B2 (en) 2013-01-30 2017-06-27 Cree, Inc. Optical waveguides and luminaires incorporating same
US9625638B2 (en) 2013-03-15 2017-04-18 Cree, Inc. Optical waveguide body
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
US9442243B2 (en) 2013-01-30 2016-09-13 Cree, Inc. Waveguide bodies including redirection features and methods of producing same
US10436969B2 (en) 2013-01-30 2019-10-08 Ideal Industries Lighting Llc Optical waveguide and luminaire incorporating same
US9366396B2 (en) 2013-01-30 2016-06-14 Cree, Inc. Optical waveguide and lamp including same
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
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
US10209429B2 (en) 2013-03-15 2019-02-19 Cree, Inc. Luminaire with selectable luminous intensity pattern
US9798072B2 (en) 2013-03-15 2017-10-24 Cree, Inc. Optical element and method of forming an optical element
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
US9366799B2 (en) 2013-03-15 2016-06-14 Cree, Inc. Optical waveguide bodies and luminaires utilizing same
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
US10551550B2 (en) * 2016-09-12 2020-02-04 Japan Display Inc. Illumination device and display device
KR102422976B1 (ko) * 2017-11-18 2022-07-21 레이아 인코포레이티드 바 시준기, 백라이트 시스템 및 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002349657A1 (en) 2002-11-29 2004-06-23 Fujitsu Limited Illumination device and liquid crystal display device
JP4553726B2 (ja) 2004-12-28 2010-09-29 富士通株式会社 棒状導光体、照明装置及び液晶表示装置
KR100676158B1 (ko) * 2005-03-10 2007-02-01 샤프 가부시키가이샤 조명 장치 및 액정 표시 장치

Also Published As

Publication number Publication date
KR20090009051A (ko) 2009-01-22
US20090021948A1 (en) 2009-01-22
JP2009026754A (ja) 2009-02-05
US7850357B2 (en) 2010-12-14
KR101446951B1 (ko) 2014-10-06

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