KR101816275B1 - 백라이트 어셈블리를 갖는 표시 장치 - Google Patents

백라이트 어셈블리를 갖는 표시 장치 Download PDF

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Publication number
KR101816275B1
KR101816275B1 KR1020100133486A KR20100133486A KR101816275B1 KR 101816275 B1 KR101816275 B1 KR 101816275B1 KR 1020100133486 A KR1020100133486 A KR 1020100133486A KR 20100133486 A KR20100133486 A KR 20100133486A KR 101816275 B1 KR101816275 B1 KR 101816275B1
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KR
South Korea
Prior art keywords
light
light source
guide plate
light guide
spacing member
Prior art date
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Expired - Fee Related
Application number
KR1020100133486A
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English (en)
Korean (ko)
Other versions
KR20120071796A (ko
Inventor
김형주
박진희
박영민
김주영
Original Assignee
삼성디스플레이 주식회사
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Priority to KR1020100133486A priority Critical patent/KR101816275B1/ko
Priority to US13/177,397 priority patent/US20120163023A1/en
Priority to EP11178078.9A priority patent/EP2469326B1/en
Priority to CN201110253726.2A priority patent/CN102568315B/zh
Priority to JP2011216028A priority patent/JP5844107B2/ja
Publication of KR20120071796A publication Critical patent/KR20120071796A/ko
Priority to US14/958,626 priority patent/US10007047B2/en
Application granted granted Critical
Publication of KR101816275B1 publication Critical patent/KR101816275B1/ko
Expired - Fee Related legal-status Critical Current
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    • 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
    • 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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components
    • 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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0013—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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
KR1020100133486A 2010-12-23 2010-12-23 백라이트 어셈블리를 갖는 표시 장치 Expired - Fee Related KR101816275B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020100133486A KR101816275B1 (ko) 2010-12-23 2010-12-23 백라이트 어셈블리를 갖는 표시 장치
US13/177,397 US20120163023A1 (en) 2010-12-23 2011-07-06 Display apparatus having thermally protected backlight assembly
EP11178078.9A EP2469326B1 (en) 2010-12-23 2011-08-19 Display apparatus having thermally protected backlight assembly
CN201110253726.2A CN102568315B (zh) 2010-12-23 2011-08-30 具有热保护背光组件的显示设备
JP2011216028A JP5844107B2 (ja) 2010-12-23 2011-09-30 バックライトアセンブリを有する表示装置
US14/958,626 US10007047B2 (en) 2010-12-23 2015-12-03 Display apparatus having thermally protected backlight assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100133486A KR101816275B1 (ko) 2010-12-23 2010-12-23 백라이트 어셈블리를 갖는 표시 장치

Publications (2)

Publication Number Publication Date
KR20120071796A KR20120071796A (ko) 2012-07-03
KR101816275B1 true KR101816275B1 (ko) 2018-01-09

Family

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Family Applications (1)

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KR1020100133486A Expired - Fee Related KR101816275B1 (ko) 2010-12-23 2010-12-23 백라이트 어셈블리를 갖는 표시 장치

Country Status (5)

Country Link
US (1) US20120163023A1 (enExample)
EP (1) EP2469326B1 (enExample)
JP (1) JP5844107B2 (enExample)
KR (1) KR101816275B1 (enExample)
CN (1) CN102568315B (enExample)

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Publication number Priority date Publication date Assignee Title
JP5845795B2 (ja) * 2011-10-12 2016-01-20 船井電機株式会社 表示装置
TWI507789B (zh) * 2011-11-17 2015-11-11 友達光電股份有限公司 背光模組及其組裝方法
KR20140018607A (ko) * 2012-08-02 2014-02-13 삼성디스플레이 주식회사 별도 광원을 사용하는 표시 장치
CN102980109B (zh) * 2012-12-10 2015-07-01 京东方科技集团股份有限公司 背光源及背光源的组装方法
US9851493B2 (en) * 2013-03-19 2017-12-26 Sakai Display Products Corporation Backlight device and display apparatus
KR20150011174A (ko) * 2013-07-22 2015-01-30 삼성디스플레이 주식회사 백라이트 유닛 및 표시 장치
KR102116441B1 (ko) * 2013-12-12 2020-05-29 엘지디스플레이 주식회사 액정표시장치
KR102205419B1 (ko) * 2014-02-04 2021-01-21 삼성디스플레이 주식회사 커브드 백라이트 어셈블리 및 이를 갖는 커브드 표시장치
KR20150145798A (ko) * 2014-06-19 2015-12-31 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시장치
KR20170068695A (ko) * 2015-12-09 2017-06-20 삼성디스플레이 주식회사 표시 장치
KR101851761B1 (ko) * 2016-11-08 2018-06-08 희성전자 주식회사 디스플레이 장치의 ｌｅｄ 광원 방열구조
KR102493079B1 (ko) * 2018-03-14 2023-01-31 삼성디스플레이 주식회사 표시 모듈 및 이를 포함하는 표시 장치
CN109870849B (zh) * 2019-03-15 2021-04-02 武汉华星光电技术有限公司 背光模组及显示装置
CN110376790A (zh) * 2019-07-15 2019-10-25 Oppo（重庆）智能科技有限公司 背光组件、显示屏及电子设备
CN114220932B (zh) * 2021-12-13 2023-09-26 武汉华星光电半导体显示技术有限公司 一种显示装置
CN117031824A (zh) * 2023-08-30 2023-11-10 业成光电（深圳）有限公司 背光模组及显示装置

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KR100783592B1 (ko) * 2002-02-05 2007-12-07 삼성전자주식회사 조명장치 및 이를 백라이트로 채택한 표시장치
JP4029900B2 (ja) * 2003-07-31 2008-01-09 オムロン株式会社 面光源装置
JP4489423B2 (ja) * 2003-12-26 2010-06-23 シャープ株式会社 バックライト及び液晶表示装置
JP4420813B2 (ja) * 2004-12-28 2010-02-24 株式会社エンプラス 面光源装置及び表示装置
TW200638075A (en) * 2005-04-22 2006-11-01 Hon Hai Prec Ind Co Ltd Light guide plate and backlight module using the same
KR20060117035A (ko) * 2005-05-12 2006-11-16 삼성전자주식회사 액정표시장치
KR101211205B1 (ko) * 2005-06-30 2012-12-11 엘지디스플레이 주식회사 몰드 프레임, 백라이트 유닛 및 액정표시장치
JP4640188B2 (ja) * 2006-01-18 2011-03-02 三菱電機株式会社 面状光源装置
JP2007335396A (ja) * 2006-05-15 2007-12-27 Epson Imaging Devices Corp 照明装置、液晶装置及び電子機器
JP5154039B2 (ja) * 2006-08-21 2013-02-27 浜松ホトニクス株式会社 半導体装置および半導体装置製造方法
US20080192458A1 (en) * 2007-02-12 2008-08-14 Intematix Corporation Light emitting diode lighting system
TW200951560A (en) * 2008-06-06 2009-12-16 Univ Nat Taiwan Composite light guiding curved surface structure
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JP2010092683A (ja) * 2008-10-07 2010-04-22 Fujifilm Corp 導光板およびこれを備えた面状照明装置
CN101749572B (zh) * 2008-12-15 2012-10-10 鸿富锦精密工业（深圳）有限公司 发光模块
KR101529556B1 (ko) * 2008-12-26 2015-06-17 엘지디스플레이 주식회사 방열이 용이한 액정표시소자
US8622601B2 (en) * 2010-07-23 2014-01-07 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight module and display apparatus
CN101922660A (zh) * 2010-07-23 2010-12-22 深圳市华星光电技术有限公司 背光模块及显示装置

Also Published As

Publication number Publication date
KR20120071796A (ko) 2012-07-03
CN102568315A (zh) 2012-07-11
US20120163023A1 (en) 2012-06-28
JP2012134127A (ja) 2012-07-12
EP2469326A1 (en) 2012-06-27
EP2469326B1 (en) 2018-11-07
JP5844107B2 (ja) 2016-01-13
CN102568315B (zh) 2016-08-24

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