JP4491540B2 - 光学反射板、面照明光源装置、および面照明装置 - Google Patents

光学反射板、面照明光源装置、および面照明装置 Download PDF

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Publication number
JP4491540B2
JP4491540B2 JP2007191456A JP2007191456A JP4491540B2 JP 4491540 B2 JP4491540 B2 JP 4491540B2 JP 2007191456 A JP2007191456 A JP 2007191456A JP 2007191456 A JP2007191456 A JP 2007191456A JP 4491540 B2 JP4491540 B2 JP 4491540B2
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JP
Japan
Prior art keywords
annular
optical
reflecting
light source
surface illumination
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.)
Active
Application number
JP2007191456A
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English (en)
Japanese (ja)
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JP2009026709A5 (enExample
JP2009026709A (ja
Inventor
榮一 佐藤
謙二 福岡
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.)
Opto Design Inc
Original Assignee
Opto Design Inc
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 Opto Design Inc filed Critical Opto Design Inc
Priority to JP2007191456A priority Critical patent/JP4491540B2/ja
Priority to PCT/JP2008/001801 priority patent/WO2009013858A1/ja
Priority to EP08790153A priority patent/EP2172697A4/en
Priority to TW97125681A priority patent/TWI431333B/zh
Publication of JP2009026709A publication Critical patent/JP2009026709A/ja
Publication of JP2009026709A5 publication Critical patent/JP2009026709A5/ja
Application granted granted Critical
Publication of JP4491540B2 publication Critical patent/JP4491540B2/ja
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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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2007191456A 2007-07-23 2007-07-23 光学反射板、面照明光源装置、および面照明装置 Active JP4491540B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007191456A JP4491540B2 (ja) 2007-07-23 2007-07-23 光学反射板、面照明光源装置、および面照明装置
PCT/JP2008/001801 WO2009013858A1 (ja) 2007-07-23 2008-07-04 光学反射板、面照明光源装置、および面照明装置
EP08790153A EP2172697A4 (en) 2007-07-23 2008-07-04 REFLECTIVE OPTICAL PLATE, PLANE LIGHT SOURCE SOURCE DEVICE, AND PLAN LIGHTING DEVICE
TW97125681A TWI431333B (zh) 2007-07-23 2008-07-08 Optical reflector, surface lighting device and surface lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007191456A JP4491540B2 (ja) 2007-07-23 2007-07-23 光学反射板、面照明光源装置、および面照明装置

Publications (3)

Publication Number Publication Date
JP2009026709A JP2009026709A (ja) 2009-02-05
JP2009026709A5 JP2009026709A5 (enExample) 2009-11-19
JP4491540B2 true JP4491540B2 (ja) 2010-06-30

Family

ID=40281120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007191456A Active JP4491540B2 (ja) 2007-07-23 2007-07-23 光学反射板、面照明光源装置、および面照明装置

Country Status (4)

Country Link
EP (1) EP2172697A4 (enExample)
JP (1) JP4491540B2 (enExample)
TW (1) TWI431333B (enExample)
WO (1) WO2009013858A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2198392B1 (en) * 2007-09-26 2016-11-16 Crane Payment Innovations, Inc. Document validator subassembly
JP5320599B2 (ja) * 2009-09-18 2013-10-23 株式会社オプトデザイン 光源装置およびこの光源装置を用いた面照明装置
JP5631776B2 (ja) * 2010-03-03 2014-11-26 株式会社東芝 照明装置およびこれを備えた液晶表示装置
US8911106B2 (en) 2010-04-23 2014-12-16 Opto Design, Inc. Surface illumination fixture and surface illumination device
JP5518813B2 (ja) * 2011-09-08 2014-06-11 スタンレー電気株式会社 面照明発光装置
DE102012205188A1 (de) 2012-03-30 2013-10-02 Tridonic Gmbh & Co. Kg LED-Leuchte
JP2015228315A (ja) * 2014-05-30 2015-12-17 オムロン株式会社 拡散反射構造体、該拡散反射構造体を備えた面発光装置
EP3136324A1 (en) 2015-08-31 2017-03-01 Setza Sarl System, method and display device for managing the occupation of shared spaces
JP6993589B2 (ja) * 2019-12-11 2022-02-04 日亜化学工業株式会社 発光装置及び発光装置を用いた面発光装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2590523Y2 (ja) * 1992-07-24 1999-02-17 板垣 健 照明灯
JPH08153405A (ja) * 1994-06-21 1996-06-11 Nakaya:Kk 面状光源
JP3514150B2 (ja) * 1999-02-02 2004-03-31 日本電気株式会社 筐 体
TWI247176B (en) 2004-03-30 2006-01-11 Chi Mei Optoelectronics Corp Direct point light source backlight module and liquid crystal display using the same
JP4397728B2 (ja) * 2004-04-21 2010-01-13 日東電工株式会社 直下型バックライト
JP2005315927A (ja) * 2004-04-27 2005-11-10 Sumitomo Bakelite Co Ltd 直下型バックライト用拡散板の製造方法
ATE525665T1 (de) * 2004-07-27 2011-10-15 Dolby Lab Licensing Corp Diffusor für licht aus einer lichtquellengruppe und damit ausgerüstete displays
WO2007034595A1 (ja) * 2005-09-26 2007-03-29 Sharp Kabushiki Kaisha 光学部品、表示装置用照明装置および表示装置

Also Published As

Publication number Publication date
TW200912391A (en) 2009-03-16
EP2172697A1 (en) 2010-04-07
TWI431333B (zh) 2014-03-21
EP2172697A4 (en) 2012-06-27
JP2009026709A (ja) 2009-02-05
WO2009013858A1 (ja) 2009-01-29

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