ATE516468T1 - Flächenförmige lichtquellenvorrichtung und diese vorrichtung verwendende einrichtung - Google Patents

Flächenförmige lichtquellenvorrichtung und diese vorrichtung verwendende einrichtung

Info

Publication number
ATE516468T1
ATE516468T1 AT04819375T AT04819375T ATE516468T1 AT E516468 T1 ATE516468 T1 AT E516468T1 AT 04819375 T AT04819375 T AT 04819375T AT 04819375 T AT04819375 T AT 04819375T AT E516468 T1 ATE516468 T1 AT E516468T1
Authority
AT
Austria
Prior art keywords
light
light emission
diffusion patterns
incident surface
line segment
Prior art date
Application number
AT04819375T
Other languages
English (en)
Inventor
Kazuhide Hirota
Masayuki Shinohara
Isao Makuta
Original Assignee
Omron Tateisi Electronics 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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Application granted granted Critical
Publication of ATE516468T1 publication Critical patent/ATE516468T1/de

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
    • G02B6/0013—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
    • G02B6/0033—Means for improving the coupling-out of light from the 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
    • G02B6/0033—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
    • 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
    • G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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)
  • Optical Elements Other Than Lenses (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Led Device Packages (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
AT04819375T 2003-11-25 2004-11-24 Flächenförmige lichtquellenvorrichtung und diese vorrichtung verwendende einrichtung ATE516468T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003393566A JP4441854B2 (ja) 2003-11-25 2003-11-25 面光源装置及び当該装置を用いた機器
PCT/JP2004/017421 WO2005052441A1 (ja) 2003-11-25 2004-11-24 面光源装置及び当該装置を用いた機器

Publications (1)

Publication Number Publication Date
ATE516468T1 true ATE516468T1 (de) 2011-07-15

Family

ID=34631435

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04819375T ATE516468T1 (de) 2003-11-25 2004-11-24 Flächenförmige lichtquellenvorrichtung und diese vorrichtung verwendende einrichtung

Country Status (7)

Country Link
US (1) US7371000B2 (de)
EP (1) EP1688665B1 (de)
JP (1) JP4441854B2 (de)
KR (1) KR100801803B1 (de)
CN (1) CN100501224C (de)
AT (1) ATE516468T1 (de)
WO (1) WO2005052441A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101523256B (zh) * 2006-10-09 2013-01-02 皇家飞利浦电子股份有限公司 灯以及灯的使用
JP4798098B2 (ja) * 2007-01-17 2011-10-19 豊田合成株式会社 スカッフプレート
JP2008257900A (ja) * 2007-03-31 2008-10-23 Nidec Copal Corp 面発光装置
US20090046479A1 (en) * 2007-08-16 2009-02-19 Philips Lumileds Lighting Company, Llc Thin Backlight Using Low Profile Side Emitting LED
WO2009116224A1 (ja) * 2008-03-19 2009-09-24 パナソニック株式会社 面光源装置
CN101769503B (zh) * 2008-12-29 2012-07-04 英华达股份有限公司 发光结构
KR101285635B1 (ko) * 2009-07-30 2013-07-12 엘지디스플레이 주식회사 도광판 및 이를 포함하는 액정표시장치
JP2011040279A (ja) * 2009-08-11 2011-02-24 Sony Corp 面状照明装置
EP2464996A1 (de) * 2009-08-12 2012-06-20 3M Innovative Properties Company Lichtleiter
KR20120051945A (ko) 2010-11-15 2012-05-23 엘지이노텍 주식회사 백라이트유닛
JP5656785B2 (ja) * 2010-11-24 2015-01-21 三菱電機株式会社 照明装置及び液晶ディスプレイ
JP2013544425A (ja) * 2010-12-03 2013-12-12 ドクター・オプティクス・エスイー 車両のヘッドライト用ヘッドライトレンズ
US10107466B2 (en) 2010-12-03 2018-10-23 Docter Optics Se Headlight lens for a vehicle headlight
WO2012132872A1 (ja) * 2011-03-25 2012-10-04 ナルックス株式会社 照明装置
JP5725349B2 (ja) * 2011-07-25 2015-05-27 ミネベア株式会社 面状照明装置
US9671547B2 (en) * 2012-04-23 2017-06-06 Sharp Kabushiki Kaisha Illumination device and display device
JP5948128B2 (ja) * 2012-04-26 2016-07-06 住友化学株式会社 導光板
TWI490607B (zh) * 2012-10-15 2015-07-01 群康科技(深圳)有限公司 顯示裝置及其發光模組與導光板
US9952372B2 (en) 2013-03-15 2018-04-24 Cree, Inc. Luminaire utilizing waveguide
CN111308826A (zh) * 2014-02-19 2020-06-19 广州奥翼电子科技股份有限公司 一种电子纸显示屏
US9835317B2 (en) * 2014-03-15 2017-12-05 Cree, Inc. Luminaire utilizing waveguide
US11408572B2 (en) 2014-03-15 2022-08-09 Ideal Industries Lighting Llc Luminaires utilizing optical waveguide
JP6641160B2 (ja) * 2015-11-13 2020-02-05 株式会社ユーシン 導光装置
CN111947069B (zh) * 2016-02-29 2023-04-28 理想工业照明有限责任公司 利用波导的发光体
CN109073202B (zh) * 2016-02-29 2020-09-01 理想工业照明有限责任公司 利用波导的发光体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3684737B2 (ja) * 1997-01-14 2005-08-17 オムロン株式会社 面光源装置
JP3521301B2 (ja) * 1997-03-14 2004-04-19 オムロン株式会社 面光源装置
JP3384483B2 (ja) * 1997-04-17 2003-03-10 株式会社エンプラス サイドライト型面光源装置
JP3505988B2 (ja) * 1998-01-09 2004-03-15 オムロン株式会社 面光源装置
JP2000030520A (ja) * 1998-07-15 2000-01-28 Omron Corp 導光板及び面光源装置
JP2001255415A (ja) * 2000-03-09 2001-09-21 Citizen Electronics Co Ltd 導光板
JP4368075B2 (ja) * 2000-11-06 2009-11-18 シャープ株式会社 面型照明装置
TWM255413U (en) * 2002-12-13 2005-01-11 Hon Hai Prec Ind Co Ltd Surface light module and liquid crystal display using the same

Also Published As

Publication number Publication date
JP2005158387A (ja) 2005-06-16
EP1688665A4 (de) 2007-06-13
WO2005052441A1 (ja) 2005-06-09
US20060209563A1 (en) 2006-09-21
CN1886621A (zh) 2006-12-27
EP1688665A1 (de) 2006-08-09
US7371000B2 (en) 2008-05-13
KR20060066123A (ko) 2006-06-15
KR100801803B1 (ko) 2008-02-11
EP1688665B1 (de) 2011-07-13
CN100501224C (zh) 2009-06-17
JP4441854B2 (ja) 2010-03-31

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