TWI431333B - Optical reflector, surface lighting device and surface lighting device - Google Patents

Optical reflector, surface lighting device and surface lighting device Download PDF

Info

Publication number
TWI431333B
TWI431333B TW97125681A TW97125681A TWI431333B TW I431333 B TWI431333 B TW I431333B TW 97125681 A TW97125681 A TW 97125681A TW 97125681 A TW97125681 A TW 97125681A TW I431333 B TWI431333 B TW I431333B
Authority
TW
Taiwan
Prior art keywords
reflection
annular
optical
optical reflector
reflecting
Prior art date
Application number
TW97125681A
Other languages
English (en)
Chinese (zh)
Other versions
TW200912391A (en
Inventor
Eiichi Sato
Kenji Fukuoka
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
Publication of TW200912391A publication Critical patent/TW200912391A/zh
Application granted granted Critical
Publication of TWI431333B publication Critical patent/TWI431333B/zh

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
    • 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)
TW97125681A 2007-07-23 2008-07-08 Optical reflector, surface lighting device and surface lighting device TWI431333B (zh)

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 (2)

Publication Number Publication Date
TW200912391A TW200912391A (en) 2009-03-16
TWI431333B true TWI431333B (zh) 2014-03-21

Family

ID=40281120

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97125681A TWI431333B (zh) 2007-07-23 2008-07-08 Optical reflector, surface lighting device and surface lighting device

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
EP2172697A4 (en) 2012-06-27
JP4491540B2 (ja) 2010-06-30
JP2009026709A (ja) 2009-02-05
WO2009013858A1 (ja) 2009-01-29

Similar Documents

Publication Publication Date Title
TWI431333B (zh) Optical reflector, surface lighting device and surface lighting device
JP4764962B2 (ja) 面照明光源装置及び面照明装置
JP5285624B2 (ja) 少なくとも１つのｌｅｄを含む照明デバイス
US8408752B2 (en) Surface lighting unit, surface lighting light source device, surface lighting device
JP5371960B2 (ja) 照明器具および照明装置
JP5529425B2 (ja) 多平面光拡散器のための装置および方法およびそれを用いた表示パネル
KR101203133B1 (ko) 엘이디 조명 장치
JP5550505B2 (ja) 面状照明装置およびこれを備えた液晶表示装置
EP2138753A1 (en) Light box
EP2759868A1 (en) Apparatus for planar lighting
JP2009117207A (ja) 発光装置、面光源装置、及び表示装置
JP2011100709A (ja) 照明ユニット及び照明装置
TW202109161A (zh) 發光元件、發光模組以及背光模組
US9062848B2 (en) Light source device and illumination device including the light source device
US20120155083A1 (en) Light source device, illumination device, and display device
JP4807609B2 (ja) 直下型バックライトモジュールと液晶表示装置
JP3211553U (ja) 照明装置
JP2010277826A (ja) Ｌｅｄ発光装置及び照明器具
US8789961B2 (en) Direct-type LED backlight module
US20060249742A1 (en) Light emitting device for achieving uniform light distribution and backlight unit employing the same
WO2013187499A1 (ja) 照明装置
CN216431601U (zh) 光导及灯具
JP2011210719A (ja) 面光源ユニット、面照明光源装置及び面照明装置
JP2014103047A (ja) 照明装置
JP3232397U (ja) 交通手段の発光装置及びその応用

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees