CN100465721C - 多光导背光 - Google Patents

多光导背光 Download PDF

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Publication number
CN100465721C
CN100465721C CNB2004800387926A CN200480038792A CN100465721C CN 100465721 C CN100465721 C CN 100465721C CN B2004800387926 A CNB2004800387926 A CN B2004800387926A CN 200480038792 A CN200480038792 A CN 200480038792A CN 100465721 C CN100465721 C CN 100465721C
Authority
CN
China
Prior art keywords
photoconduction
back light
light
gaining
gaining structure
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
CNB2004800387926A
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English (en)
Chinese (zh)
Other versions
CN1898594A (zh
Inventor
戴维·J·兰姆
基思·M·科奇克
马克·B·奥尼尔
帕特里克·H·马鲁申
马克·E·加迪纳
肯尼思·A·爱泼斯坦
菲利普·E·沃森
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 CN1898594A publication Critical patent/CN1898594A/zh
Application granted granted Critical
Publication of CN100465721C publication Critical patent/CN100465721C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B6/0075Arrangements of multiple light guides
    • G02B6/0076Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • 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
    • G02B6/0066Light 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 characterised by the light source being coupled to the light guide
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
    • 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

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)
CNB2004800387926A 2003-12-23 2004-10-20 多光导背光 Expired - Fee Related CN100465721C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/744,569 US7303322B2 (en) 2003-12-23 2003-12-23 Multiple lightguide backlight
US10/744,569 2003-12-23

Publications (2)

Publication Number Publication Date
CN1898594A CN1898594A (zh) 2007-01-17
CN100465721C true CN100465721C (zh) 2009-03-04

Family

ID=34678903

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004800387926A Expired - Fee Related CN100465721C (zh) 2003-12-23 2004-10-20 多光导背光

Country Status (7)

Country Link
US (1) US7303322B2 (enExample)
EP (1) EP1706783A1 (enExample)
JP (1) JP2007516582A (enExample)
KR (1) KR20060122902A (enExample)
CN (1) CN100465721C (enExample)
TW (1) TW200528870A (enExample)
WO (1) WO2005069066A1 (enExample)

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KR101132947B1 (ko) 2005-06-29 2012-04-05 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
JP4600218B2 (ja) * 2005-08-29 2010-12-15 カシオ計算機株式会社 面光源及び液晶表示装置
JP4771065B2 (ja) * 2005-09-30 2011-09-14 ゲットナー・ファンデーション・エルエルシー 光源装置、表示装置及び端末装置
TW200725104A (en) * 2005-12-23 2007-07-01 Innolux Display Corp Backlight module and liquid crystal display using the same
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JP4748684B2 (ja) * 2006-11-15 2011-08-17 シチズン電子株式会社 バックライトユニット及び表示装置
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WO2008144644A2 (en) 2007-05-20 2008-11-27 3M Innovative Properties Company Semi-specular components in hollow cavity light recycling backlights
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TWI439641B (zh) * 2007-05-20 2014-06-01 3M Innovative Properties Co 用於側面發光型背光之準直光注入器
JP2010528432A (ja) * 2007-05-20 2010-08-19 スリーエム イノベイティブ プロパティズ カンパニー カラーled光源を効率的に利用した白色光バックライト及び類似製品
WO2008144636A2 (en) 2007-05-20 2008-11-27 3M Innovative Properties Company Design parameters for thin hollow cavity backlights of the light-recycling type
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JP4926905B2 (ja) * 2007-09-28 2012-05-09 富士フイルム株式会社 面状照明装置
JP5225015B2 (ja) * 2007-10-19 2013-07-03 富士フイルム株式会社 導光板
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WO2009100303A1 (en) * 2008-02-08 2009-08-13 3M Innovative Properties Company Perforated backlight
JP5792464B2 (ja) * 2008-02-22 2015-10-14 スリーエム イノベイティブ プロパティズ カンパニー 選択的出力光束分布を有するバックライト及びそれを使用した表示システム並びにバックライトの形成方法
EP2297607B1 (en) * 2008-06-04 2014-04-23 3M Innovative Properties Company Hollow backlight with tilted light source
KR101491573B1 (ko) * 2008-10-09 2015-02-09 삼성전자 주식회사 디스플레이 장치 및 그 전면커버
JP2011150832A (ja) * 2010-01-20 2011-08-04 Fujifilm Corp 面状照明装置および面状照明装置の製造方法
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CN102236123A (zh) * 2011-07-04 2011-11-09 林胜军 具三维多入射面的导光结构
CN105090811B (zh) * 2014-05-20 2017-08-29 广州璨宇光学有限公司 光源模组
KR102293599B1 (ko) * 2014-12-23 2021-08-26 삼성전자주식회사 전자제품
JP6515652B2 (ja) * 2015-04-15 2019-05-22 オムロン株式会社 表示装置及び遊技機
US10698138B2 (en) 2015-04-24 2020-06-30 3M Innovative Properties Company Graded diffuser
EP3347765B1 (de) 2015-11-27 2019-07-17 Sioptica GmbH Bildschirm mit betriebsarten fuer eine freie und eine eingeschraenkte sicht
US10253948B1 (en) * 2017-03-27 2019-04-09 EcoSense Lighting, Inc. Lighting systems having multiple edge-lit lightguide panels
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US11585515B2 (en) 2016-01-28 2023-02-21 Korrus, Inc. Lighting controller for emulating progression of ambient sunlight
US11635188B2 (en) 2017-03-27 2023-04-25 Korrus, Inc. Lighting systems generating visible-light emissions for dynamically emulating sky colors
US10356963B2 (en) * 2016-04-08 2019-07-16 Shenzhen China Star Optoelectronics Technology Co., Ltd. Ultrathin LCD module and liquid crystal display
CN106597736A (zh) * 2016-11-22 2017-04-26 昆山龙腾光电有限公司 液晶显示模组及液晶显示装置
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DE102017006285A1 (de) 2017-06-30 2019-01-03 Sioptica Gmbh Bildschirm für einen freien und einen eingeschränkten Sichtmodus
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JP2019209870A (ja) * 2018-06-06 2019-12-12 スタンレー電気株式会社 車両用装飾部品
KR20200005689A (ko) * 2018-07-05 2020-01-16 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치
KR102587654B1 (ko) * 2018-10-18 2023-10-11 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치
DE102019009071A1 (de) * 2019-12-20 2021-06-24 Sioptica Gmbh Beleuchtungseinrichtung mit mindestens zwei Betriebsarten
USD934488S1 (en) 2020-02-27 2021-10-26 RAB Lighting Inc. Multi-panel edgelit luminaire
US11209590B1 (en) 2020-10-09 2021-12-28 RAB Lighting Inc. Edge-lit lighting systems and methods

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Also Published As

Publication number Publication date
JP2007516582A (ja) 2007-06-21
CN1898594A (zh) 2007-01-17
EP1706783A1 (en) 2006-10-04
US7303322B2 (en) 2007-12-04
KR20060122902A (ko) 2006-11-30
WO2005069066A1 (en) 2005-07-28
US20050135115A1 (en) 2005-06-23
TW200528870A (en) 2005-09-01

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Granted publication date: 20090304

Termination date: 20091120