JP4441854B2 - 面光源装置及び当該装置を用いた機器 - Google Patents

面光源装置及び当該装置を用いた機器 Download PDF

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Publication number
JP4441854B2
JP4441854B2 JP2003393566A JP2003393566A JP4441854B2 JP 4441854 B2 JP4441854 B2 JP 4441854B2 JP 2003393566 A JP2003393566 A JP 2003393566A JP 2003393566 A JP2003393566 A JP 2003393566A JP 4441854 B2 JP4441854 B2 JP 4441854B2
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JP
Japan
Prior art keywords
light
guide plate
light source
light guide
incident surface
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
JP2003393566A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005158387A (ja
JP2005158387A5 (enExample
Inventor
和英 廣田
正幸 篠原
功 幕田
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.)
Omron Corp
Original Assignee
Omron Corp
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
Priority to JP2003393566A priority Critical patent/JP4441854B2/ja
Application filed by Omron Corp filed Critical Omron Corp
Priority to AT04819375T priority patent/ATE516468T1/de
Priority to CNB2004800349271A priority patent/CN100501224C/zh
Priority to EP04819375A priority patent/EP1688665B1/en
Priority to KR1020067007601A priority patent/KR100801803B1/ko
Priority to PCT/JP2004/017421 priority patent/WO2005052441A1/ja
Publication of JP2005158387A publication Critical patent/JP2005158387A/ja
Priority to US11/438,727 priority patent/US7371000B2/en
Publication of JP2005158387A5 publication Critical patent/JP2005158387A5/ja
Application granted granted Critical
Publication of JP4441854B2 publication Critical patent/JP4441854B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
JP2003393566A 2003-11-25 2003-11-25 面光源装置及び当該装置を用いた機器 Expired - Fee Related JP4441854B2 (ja)

Priority Applications (7)

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
CNB2004800349271A CN100501224C (zh) 2003-11-25 2004-11-24 面光源装置和使用该装置的设备
EP04819375A EP1688665B1 (en) 2003-11-25 2004-11-24 Surface light source device and apparatus using this device
KR1020067007601A KR100801803B1 (ko) 2003-11-25 2004-11-24 면광원 장치 및 해당 장치를 이용한 기기
AT04819375T ATE516468T1 (de) 2003-11-25 2004-11-24 Flächenförmige lichtquellenvorrichtung und diese vorrichtung verwendende einrichtung
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
US11/438,727 US7371000B2 (en) 2003-11-25 2006-05-22 Surface light source equipment and apparatus using the same

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2005158387A JP2005158387A (ja) 2005-06-16
JP2005158387A5 JP2005158387A5 (enExample) 2007-01-18
JP4441854B2 true JP4441854B2 (ja) 2010-03-31

Family

ID=34631435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003393566A Expired - Fee Related 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

Country Status (7)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2074450A2 (en) * 2006-10-09 2009-07-01 Koninklijke Philips Electronics N.V. A lamp and use thereof
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
US8882323B2 (en) * 2009-08-12 2014-11-11 3M Innovative Properties Company Lightguide
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
WO2012072188A1 (de) * 2010-12-03 2012-06-07 Docter Optics Gmbh Scheinwerferlinse für einen fahrzeugscheinwerfer
US10107466B2 (en) 2010-12-03 2018-10-23 Docter Optics Se Headlight lens for a vehicle headlight
JP5555927B2 (ja) * 2011-03-25 2014-07-23 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
WO2013161678A1 (ja) * 2012-04-23 2013-10-31 シャープ株式会社 照明装置及び表示装置
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
US11408572B2 (en) 2014-03-15 2022-08-09 Ideal Industries Lighting Llc Luminaires utilizing optical waveguide
US9835317B2 (en) * 2014-03-15 2017-12-05 Cree, Inc. Luminaire utilizing waveguide
US9952372B2 (en) 2013-03-15 2018-04-24 Cree, Inc. Luminaire utilizing waveguide
CN104849793A (zh) * 2014-02-19 2015-08-19 广州奥翼电子科技有限公司 电子纸显示屏导光板及电子纸显示屏
JP6641160B2 (ja) * 2015-11-13 2020-02-05 株式会社ユーシン 導光装置
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
WO2017155745A1 (en) * 2016-02-29 2017-09-14 Cree, Inc. Luminaire utilizing waveguide

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
KR20060066123A (ko) 2006-06-15
US7371000B2 (en) 2008-05-13
JP2005158387A (ja) 2005-06-16
EP1688665B1 (en) 2011-07-13
WO2005052441A1 (ja) 2005-06-09
US20060209563A1 (en) 2006-09-21
KR100801803B1 (ko) 2008-02-11
EP1688665A1 (en) 2006-08-09
CN100501224C (zh) 2009-06-17
EP1688665A4 (en) 2007-06-13
ATE516468T1 (de) 2011-07-15
CN1886621A (zh) 2006-12-27

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