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JP2008198460A - 発光素子及び面照明装置 - Google Patents

発光素子及び面照明装置 Download PDF

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Publication number
JP2008198460A
JP2008198460A JP2007031742A JP2007031742A JP2008198460A JP 2008198460 A JP2008198460 A JP 2008198460A JP 2007031742 A JP2007031742 A JP 2007031742A JP 2007031742 A JP2007031742 A JP 2007031742A JP 2008198460 A JP2008198460 A JP 2008198460A
Authority
JP
Japan
Prior art keywords
light
guide plate
light emitting
light guide
light source
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.)
Withdrawn
Application number
JP2007031742A
Other languages
English (en)
Japanese (ja)
Inventor
Takahiro Ayabe
隆広 綾部
Toshihiro Ishii
俊廣 石井
Shinichi Nakajima
晋一 中島
Naoki Iwami
直樹 石見
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
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 Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Priority to JP2007031742A priority Critical patent/JP2008198460A/ja
Priority to PCT/JP2007/071240 priority patent/WO2008099542A1/fr
Publication of JP2008198460A publication Critical patent/JP2008198460A/ja
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means 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
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • H10H20/856—Reflecting means
    • H10W72/01515—
    • H10W72/075—
    • H10W74/00—
    • H10W90/756—

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2007031742A 2007-02-13 2007-02-13 発光素子及び面照明装置 Withdrawn JP2008198460A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007031742A JP2008198460A (ja) 2007-02-13 2007-02-13 発光素子及び面照明装置
PCT/JP2007/071240 WO2008099542A1 (fr) 2007-02-13 2007-10-31 Élément émettant de la lumière et dispositif d'éclairage de surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007031742A JP2008198460A (ja) 2007-02-13 2007-02-13 発光素子及び面照明装置

Publications (1)

Publication Number Publication Date
JP2008198460A true JP2008198460A (ja) 2008-08-28

Family

ID=39689797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007031742A Withdrawn JP2008198460A (ja) 2007-02-13 2007-02-13 発光素子及び面照明装置

Country Status (2)

Country Link
JP (1) JP2008198460A (fr)
WO (1) WO2008099542A1 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010092956A (ja) * 2008-10-06 2010-04-22 Mitsubishi Electric Corp Ｌｅｄ光源及びそれを用いた発光体
WO2010070821A1 (fr) * 2008-12-16 2010-06-24 オムロン株式会社 Dispositif à source de lumière plane
KR101073696B1 (ko) 2009-08-26 2011-10-14 파라곤 세미컨덕터 라이팅 테크놀로지 컴퍼니 리미티드 연색성과 휘도를 향상시키는 혼합광식 엘이디 패키지 구조
WO2011151998A1 (fr) * 2010-05-31 2011-12-08 パナソニック株式会社 Dispositif électroluminescent et procédé de fabrication de celui-ci
WO2012002321A1 (fr) * 2010-06-30 2012-01-05 パナソニック液晶ディスプレイ株式会社 Dispositif d'affichage à cristaux liquides
JP2012003887A (ja) * 2010-06-15 2012-01-05 Ccs Inc 照明装置
WO2012023353A1 (fr) * 2010-08-18 2012-02-23 シャープ株式会社 Dispositif d'éclairage, dispositif d'affichage et récepteur de télévision
JP2012128296A (ja) * 2010-12-17 2012-07-05 Panasonic Liquid Crystal Display Co Ltd 液晶表示装置
WO2012101780A1 (fr) * 2011-01-26 2012-08-02 日立コンシューマエレクトロニクス株式会社 Dispositif d'affichage à cristaux liquides
JP2012227537A (ja) * 2012-06-19 2012-11-15 Mitsubishi Electric Corp Ｌｅｄ光源及びそれを用いた発光体
TWI401508B (zh) * 2009-12-30 2013-07-11 Au Optronics Corp 背光模組及使用其之顯示裝置
CN103515514A (zh) * 2012-06-27 2014-01-15 Lg伊诺特有限公司 发光器件
WO2014038502A1 (fr) * 2012-09-04 2014-03-13 オー・ジー株式会社 Dispositif d'éclairage, dispositif de rétroéclairage et dispositif d'affichage
JP2014142574A (ja) * 2013-01-22 2014-08-07 Machvision Inc 行走査に用いる多角度照明の光学部材及びそれを使用する光源系統
JP2015505149A (ja) * 2012-01-13 2015-02-16 コーニンクレッカ フィリップス エヌ ヴェ 均一な照明外観を有するｌｅｄベースの直視照明装置
US11143808B2 (en) 2018-12-28 2021-10-12 Nichia Corporation Light emitting module
WO2022004663A1 (fr) * 2020-06-29 2022-01-06 シチズン電子株式会社 Dispositif émetteur de lumière
JP2023174915A (ja) * 2020-03-13 2023-12-08 株式会社遠藤照明 照明装置
JP2025023740A (ja) * 2023-08-04 2025-02-17 常盤電業株式会社 表示機

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JP4706759B2 (ja) * 2009-01-23 2011-06-22 トヨタ自動車株式会社 太陽電池
US8735791B2 (en) 2010-07-13 2014-05-27 Svv Technology Innovations, Inc. Light harvesting system employing microstructures for efficient light trapping
KR20120050179A (ko) * 2010-11-10 2012-05-18 삼성엘이디 주식회사 플래시 렌즈 및 이를 채용한 플래시 모듈
US9097826B2 (en) 2011-10-08 2015-08-04 Svv Technology Innovations, Inc. Collimating illumination systems employing a waveguide
US8960977B2 (en) 2012-08-10 2015-02-24 Lg Innotek Co., Ltd. Illuminating device
US9207393B2 (en) 2012-08-10 2015-12-08 Lg Innotek Co., Ltd. Lighting device
JP6575065B2 (ja) * 2014-12-26 2019-09-18 日亜化学工業株式会社 発光装置
JP6680311B2 (ja) * 2018-06-04 2020-04-15 日亜化学工業株式会社 発光装置および面発光光源
JP6841292B2 (ja) * 2019-03-05 2021-03-10 日亜化学工業株式会社 発光モジュール
CN119630154B (zh) * 2024-12-16 2025-09-30 深圳市同一方光电技术有限公司 高光效led光源

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AU2002359472A1 (en) * 2001-12-05 2003-06-23 Solid State Opto Limited Transreflectors, transreflector systems and displays and methods of making transreflectors
JP4293857B2 (ja) * 2003-07-29 2009-07-08 シチズン電子株式会社 フレネルレンズを用いた照明装置
JP2006048968A (ja) * 2004-07-30 2006-02-16 Nippon Tokushu Kogaku Jushi Kk 面光源装置及び液晶ディスプレイ
JP4670315B2 (ja) * 2004-11-09 2011-04-13 ソニー株式会社 バックライト装置及び表示装置
KR20070120510A (ko) * 2005-04-01 2007-12-24 소니 가부시끼 가이샤 백 라이트 장치, 액정 표시 장치 및 광 편향 시트
JP4873683B2 (ja) * 2005-04-19 2012-02-08 チェイル インダストリーズ インコーポレイテッド 面光源装置
JP2007005111A (ja) * 2005-06-23 2007-01-11 Seiko Instruments Inc 照明装置およびこれを用いた表示装置
JP2007003852A (ja) * 2005-06-24 2007-01-11 Sony Corp 拡散シート、拡散シートの製造方法、バックライト装置および液晶表示装置

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010092956A (ja) * 2008-10-06 2010-04-22 Mitsubishi Electric Corp Ｌｅｄ光源及びそれを用いた発光体
JP5088417B2 (ja) * 2008-12-16 2012-12-05 オムロン株式会社 面光源装置
WO2010070821A1 (fr) * 2008-12-16 2010-06-24 オムロン株式会社 Dispositif à source de lumière plane
US8167474B2 (en) 2008-12-16 2012-05-01 Omron Corporation Surface light source device
KR101073696B1 (ko) 2009-08-26 2011-10-14 파라곤 세미컨덕터 라이팅 테크놀로지 컴퍼니 리미티드 연색성과 휘도를 향상시키는 혼합광식 엘이디 패키지 구조
TWI401508B (zh) * 2009-12-30 2013-07-11 Au Optronics Corp 背光模組及使用其之顯示裝置
WO2011151998A1 (fr) * 2010-05-31 2011-12-08 パナソニック株式会社 Dispositif électroluminescent et procédé de fabrication de celui-ci
JP2012003887A (ja) * 2010-06-15 2012-01-05 Ccs Inc 照明装置
CN103038703A (zh) * 2010-06-30 2013-04-10 松下液晶显示器株式会社 液晶显示装置
JPWO2012002321A1 (ja) * 2010-06-30 2013-08-22 パナソニック液晶ディスプレイ株式会社 液晶表示装置
US8534859B2 (en) 2010-06-30 2013-09-17 Hitachi Displays, Ltd. Liquid crystal display device and television set
WO2012002321A1 (fr) * 2010-06-30 2012-01-05 パナソニック液晶ディスプレイ株式会社 Dispositif d'affichage à cristaux liquides
CN103038703B (zh) * 2010-06-30 2016-01-20 松下液晶显示器株式会社 液晶显示装置
US8944661B2 (en) 2010-08-18 2015-02-03 Sharp Kabushiki Kaisha Lighting device, display device, and television device
WO2012023353A1 (fr) * 2010-08-18 2012-02-23 シャープ株式会社 Dispositif d'éclairage, dispositif d'affichage et récepteur de télévision
JP2012128296A (ja) * 2010-12-17 2012-07-05 Panasonic Liquid Crystal Display Co Ltd 液晶表示装置
WO2012101780A1 (fr) * 2011-01-26 2012-08-02 日立コンシューマエレクトロニクス株式会社 Dispositif d'affichage à cristaux liquides
JP2015505149A (ja) * 2012-01-13 2015-02-16 コーニンクレッカ フィリップス エヌ ヴェ 均一な照明外観を有するｌｅｄベースの直視照明装置
JP2012227537A (ja) * 2012-06-19 2012-11-15 Mitsubishi Electric Corp Ｌｅｄ光源及びそれを用いた発光体
CN103515514A (zh) * 2012-06-27 2014-01-15 Lg伊诺特有限公司 发光器件
JP2014049418A (ja) * 2012-09-04 2014-03-17 Og Corp 光照射装置、バックライト装置及び表示装置
WO2014038502A1 (fr) * 2012-09-04 2014-03-13 オー・ジー株式会社 Dispositif d'éclairage, dispositif de rétroéclairage et dispositif d'affichage
US9523483B2 (en) 2012-09-04 2016-12-20 Og Corporation Light irradiation device, backlight device and display apparatus
JP2014142574A (ja) * 2013-01-22 2014-08-07 Machvision Inc 行走査に用いる多角度照明の光学部材及びそれを使用する光源系統
US11143808B2 (en) 2018-12-28 2021-10-12 Nichia Corporation Light emitting module
JP2023174915A (ja) * 2020-03-13 2023-12-08 株式会社遠藤照明 照明装置
WO2022004663A1 (fr) * 2020-06-29 2022-01-06 シチズン電子株式会社 Dispositif émetteur de lumière
JPWO2022004663A1 (fr) * 2020-06-29 2022-01-06
JP7125570B2 (ja) 2020-06-29 2022-08-24 シチズン電子株式会社 発光装置
US11817530B2 (en) 2020-06-29 2023-11-14 Citizen Electronics Co., Ltd. Light emitting device
JP2025023740A (ja) * 2023-08-04 2025-02-17 常盤電業株式会社 表示機
JP7655511B2 (ja) 2023-08-04 2025-04-02 常盤電業株式会社 表示機

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