KR100801803B1 - 면광원 장치 및 해당 장치를 이용한 기기 - Google Patents

면광원 장치 및 해당 장치를 이용한 기기 Download PDF

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Publication number
KR100801803B1
KR100801803B1 KR1020067007601A KR20067007601A KR100801803B1 KR 100801803 B1 KR100801803 B1 KR 100801803B1 KR 1020067007601 A KR1020067007601 A KR 1020067007601A KR 20067007601 A KR20067007601 A KR 20067007601A KR 100801803 B1 KR100801803 B1 KR 100801803B1
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KR
South Korea
Prior art keywords
light
diffusion pattern
guide plate
groove
pattern
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
KR1020067007601A
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English (en)
Korean (ko)
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KR20060066123A (ko
Inventor
카즈히데 히로타
마사유키 시노하라
이사오 마쿠타
Original Assignee
오므론 가부시키가이샤
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 오므론 가부시키가이샤 filed Critical 오므론 가부시키가이샤
Publication of KR20060066123A publication Critical patent/KR20060066123A/ko
Application granted granted Critical
Publication of KR100801803B1 publication Critical patent/KR100801803B1/ko
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)
KR1020067007601A 2003-11-25 2004-11-24 면광원 장치 및 해당 장치를 이용한 기기 Expired - Fee Related KR100801803B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2003-00393566 2003-11-25
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 (2)

Publication Number Publication Date
KR20060066123A KR20060066123A (ko) 2006-06-15
KR100801803B1 true KR100801803B1 (ko) 2008-02-11

Family

ID=34631435

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020067007601A Expired - Fee Related KR100801803B1 (ko) 2003-11-25 2004-11-24 면광원 장치 및 해당 장치를 이용한 기기

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10255530A (ja) * 1997-03-14 1998-09-25 Omron Corp 面光源装置
JPH10293202A (ja) * 1997-04-17 1998-11-04 Enplas Corp サイドライト型面光源装置
JPH11203923A (ja) * 1998-01-09 1999-07-30 Omron Corp 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

Family Cites Families (4)

* 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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10255530A (ja) * 1997-03-14 1998-09-25 Omron Corp 面光源装置
JPH10293202A (ja) * 1997-04-17 1998-11-04 Enplas Corp サイドライト型面光源装置
JPH11203923A (ja) * 1998-01-09 1999-07-30 Omron Corp 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

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
일본특개평10-255530호
일본특개평10-293202호
일본특개평11-203923호
일본특개평12-030520호

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
JP4441854B2 (ja) 2010-03-31
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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