WO2013022215A3 - 발광장치, 백라이트 유닛과 디스플레이 장치 및 그 제조방법 - Google Patents

발광장치, 백라이트 유닛과 디스플레이 장치 및 그 제조방법 Download PDF

Info

Publication number
WO2013022215A3
WO2013022215A3 PCT/KR2012/006153 KR2012006153W WO2013022215A3 WO 2013022215 A3 WO2013022215 A3 WO 2013022215A3 KR 2012006153 W KR2012006153 W KR 2012006153W WO 2013022215 A3 WO2013022215 A3 WO 2013022215A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
emitting device
manufacturing
backlight unit
wavelength
Prior art date
Application number
PCT/KR2012/006153
Other languages
English (en)
French (fr)
Other versions
WO2013022215A2 (ko
Inventor
박일우
이효진
김정희
우나리
윤창번
윤철수
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to US14/237,036 priority Critical patent/US20140158982A1/en
Publication of WO2013022215A2 publication Critical patent/WO2013022215A2/ko
Publication of WO2013022215A3 publication Critical patent/WO2013022215A3/ko

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
    • H01L33/06—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • 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
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10—Bump connectors; Manufacturing methods related thereto
    • H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Led Device Packages (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

본 발명은 발광부; 상기 발광부로부터 방출된 광 경로 상에 배치되며, 상기 발광부로부터 방출된 광의 파장을 변환시키는 파장변환부; 및 상기 파장변환부의 적어도 일측에 형성되는 광투과부; 를 포함하며, 상기 파장변환부는 광의 파장을 적색광으로 변환시키는 제1 양자점과, 광의 파장을 녹색광으로 변환시키는 제2 양자점의 패턴이 번갈아 한번 이상 반복하여 배치되는 발광장치를 제공한다.
PCT/KR2012/006153 2011-08-05 2012-08-02 발광장치, 백라이트 유닛과 디스플레이 장치 및 그 제조방법 WO2013022215A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/237,036 US20140158982A1 (en) 2011-08-05 2012-08-02 Light-emitting device, backlight unit, display device, and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110078124A KR20130015847A (ko) 2011-08-05 2011-08-05 발광장치, 백라이트 유닛과 디스플레이 장치 및 그 제조방법
KR10-2011-0078124 2011-08-05

Publications (2)

Publication Number Publication Date
WO2013022215A2 WO2013022215A2 (ko) 2013-02-14
WO2013022215A3 true WO2013022215A3 (ko) 2013-06-13

Family

ID=47669044

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/006153 WO2013022215A2 (ko) 2011-08-05 2012-08-02 발광장치, 백라이트 유닛과 디스플레이 장치 및 그 제조방법

Country Status (3)

Country Link
US (1) US20140158982A1 (ko)
KR (1) KR20130015847A (ko)
WO (1) WO2013022215A2 (ko)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013106553A1 (en) 2012-01-13 2013-07-18 Qd Vision, Inc. Light mixing chamber for use with light guide plate
US9929325B2 (en) 2012-06-05 2018-03-27 Samsung Electronics Co., Ltd. Lighting device including quantum dots
KR101687621B1 (ko) * 2013-01-02 2016-12-19 엘지전자 주식회사 형광체 필름 및 그 제조방법
US20140264419A1 (en) * 2013-03-15 2014-09-18 University-Industry Foundation (Uif) Phosphor film, and light emitting device and system using the same
JP2016173876A (ja) * 2013-08-08 2016-09-29 シャープ株式会社 表示装置
US9318649B2 (en) * 2013-09-25 2016-04-19 Phoseon Technology, Inc. Multi-wavelength LED curing lamp
WO2015077369A1 (en) * 2013-11-19 2015-05-28 Qd Vision, Inc. Light emitting device including quantum dots
US20150311385A1 (en) * 2013-12-02 2015-10-29 Shenzhen China Star Optoelectronics Technology Co., Ltd. Luminous Source Utilizing Quantum Dot, and Its Manufacturing Method and Application
KR102157244B1 (ko) 2013-12-20 2020-09-18 삼성디스플레이 주식회사 파장 변환체 및 이를 포함하는 액정표시장치
CN103728837B (zh) * 2013-12-30 2016-08-31 京东方科技集团股份有限公司 感光树脂组合物及用感光树脂组合物制备量子点图案的方法
KR102254916B1 (ko) * 2014-02-05 2021-05-26 삼성디스플레이 주식회사 파장 변환 부재, 및 이를 포함하는 백라이트 어셈블리 및 표시 장치
KR101524726B1 (ko) * 2014-06-20 2015-06-10 실리콘 디스플레이 (주) Led 디스플레이 장치
JP6401994B2 (ja) * 2014-10-08 2018-10-10 エルジー ディスプレイ カンパニー リミテッド 液晶表示装置
JP2016076634A (ja) 2014-10-08 2016-05-12 エルジー ディスプレイ カンパニー リミテッド Ｌｅｄパッケージ、バックライトユニット及び液晶表示装置
US9618681B2 (en) 2014-12-01 2017-04-11 Shenzhen China Star Optoelectronics Technology Co., Ltd. Quantum dot backlight module and display device
CN104566015B (zh) * 2014-12-01 2016-07-06 深圳市华星光电技术有限公司 一种量子点背光模组以及显示装置
DE102014117983A1 (de) * 2014-12-05 2016-06-09 Osram Opto Semiconductors Gmbh Konversionselement, optoelektronisches Halbleiterbauelement und Verfahren zur Herstellung von Konversionselementen
KR102260013B1 (ko) 2014-12-10 2021-06-04 삼성디스플레이 주식회사 표시 장치 및 이의 제조 방법
US20170371205A1 (en) * 2014-12-22 2017-12-28 3M Innovative Properties Company Downconversion film element
KR101621820B1 (ko) 2014-12-29 2016-05-17 삼성전자 주식회사 광원, 광원을 포함하는 백라이트 유닛 및 액정 표시 장치
WO2016114598A1 (ko) * 2015-01-15 2016-07-21 주식회사 엘엠에스 표시 장치
CN105987325B (zh) * 2015-03-02 2019-02-15 南京瀚宇彩欣科技有限责任公司 量子管、背光模块及液晶显示装置
KR101686737B1 (ko) * 2015-04-30 2016-12-14 엘지전자 주식회사 광 변환 플레이트, 이를 포함하는 발광 다이오드 패키지, 백라이트 유닛 및 표시장치
WO2016177622A1 (en) * 2015-05-07 2016-11-10 Koninklijke Philips N.V. High intensity light source with temperature independent color point
KR102312522B1 (ko) * 2015-06-11 2021-10-15 삼성디스플레이 주식회사 표시 장치
KR102294878B1 (ko) * 2015-06-30 2021-08-26 코오롱인더스트리 주식회사 수분 및 산소 차단 효과가 향상된 광학시트
KR102373200B1 (ko) * 2015-07-14 2022-03-17 삼성전자주식회사 디스플레이 패널 및 상기 디스플레이 패널을 이용하는 디스플레이 장치
KR102030491B1 (ko) 2015-08-10 2019-10-10 후지필름 가부시키가이샤 형광체 함유 필름 및 백라이트 유닛
CN105070205A (zh) * 2015-09-18 2015-11-18 京东方科技集团股份有限公司 一种显示装置
CN105204104B (zh) * 2015-10-30 2018-05-25 京东方科技集团股份有限公司 滤光片及其制作方法、显示基板及显示装置
US20170168208A1 (en) * 2015-12-13 2017-06-15 Chih-Wei Wu Fluorescent led backlight plate assembly
DE102016106841B3 (de) 2015-12-18 2017-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konverter zur Erzeugung eines Sekundärlichts aus einem Primärlicht, Leuchtmittel, die solche Konverter enthalten, sowie Verfahren zur Herstellung der Konverter und Leuchtmittel
US9921357B2 (en) * 2016-06-21 2018-03-20 Sharp Kabushiki Kaisha Thin backlight with recycling to reduce the bezel width
JP7029882B2 (ja) * 2016-09-01 2022-03-04 エルジー ディスプレイ カンパニー リミテッド 光源装置および表示装置
KR102186445B1 (ko) * 2016-09-02 2020-12-04 후지필름 가부시키가이샤 형광체 함유 필름 및 백라이트 유닛
JP6846756B2 (ja) * 2016-09-27 2021-03-24 エルジー ディスプレイ カンパニー リミテッド 光源装置および表示装置
TWI594054B (zh) * 2016-11-04 2017-08-01 友達光電股份有限公司 具量子點的背光模組及其製造方法
JP6715946B2 (ja) * 2016-11-07 2020-07-01 富士フイルム株式会社 光吸収体含有フィルムおよびバックライトユニット
KR102620357B1 (ko) * 2016-12-05 2024-01-04 삼성전자주식회사 디스플레이 장치
JP2018137320A (ja) * 2017-02-21 2018-08-30 シャープ株式会社 発光装置および画像表示装置
CN111183315B (zh) * 2017-04-03 2022-11-01 英特曼帝克司公司 彩色液晶显示器及显示器背光
DE102017120385B4 (de) 2017-09-05 2024-02-22 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Licht emittierendes Bauelement und Verfahren zur Herstellung eines Licht emittierenden Bauelements
KR20190085884A (ko) * 2018-01-11 2019-07-19 삼성전자주식회사 양자점과 그 제조 방법, 및 이를 포함하는 전자 소자
US10371325B1 (en) 2018-06-25 2019-08-06 Intematix Corporation Full spectrum white light emitting devices
KR102186061B1 (ko) * 2018-08-16 2020-12-03 (주)디씨티 나노 형광체 시트
CN112420897A (zh) * 2019-08-20 2021-02-26 群创光电股份有限公司 电子装置
KR102225843B1 (ko) 2019-08-20 2021-03-09 고려대학교 산학협력단 하향변환 발광 조합체 및 이를 제조하는 제조 방법
CN112708414A (zh) * 2019-10-25 2021-04-27 三星电子株式会社 核壳量子点、量子点聚合物复合物及显示装置
WO2022023946A1 (en) * 2020-07-27 2022-02-03 King Abdullah University Of Science And Technology White-light illumination and near-infrared communication system and method based on multiple pathway visible-light

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080063709A (ko) * 2007-01-02 2008-07-07 삼성전기주식회사 백색 발광장치 및 이를 이용한 ｌｃｄ 백라이트용 광원모듈
KR20100046698A (ko) * 2008-10-28 2010-05-07 삼성전자주식회사 양자점을 이용한 백색광 발광다이오드 구조 및 이를 포함하는 백라이트 어셈블리
KR20100089606A (ko) * 2009-02-04 2010-08-12 한국기계연구원 컬러 변환층으로 반도체 나노 양자점을 포함하는 디스플레이소자
KR20100129030A (ko) * 2009-05-29 2010-12-08 삼성엘이디 주식회사 파장변환시트 및 이를 이용한 발광장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030113714A1 (en) * 2001-09-28 2003-06-19 Belcher Angela M. Biological control of nanoparticles
WO2005071039A1 (ja) * 2004-01-26 2005-08-04 Kyocera Corporation 波長変換器、発光装置、波長変換器の製造方法および発光装置の製造方法
US8294848B2 (en) * 2008-10-01 2012-10-23 Samsung Display Co., Ltd. Liquid crystal display having light diffusion layer
US20100117106A1 (en) * 2008-11-07 2010-05-13 Ledengin, Inc. Led with light-conversion layer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080063709A (ko) * 2007-01-02 2008-07-07 삼성전기주식회사 백색 발광장치 및 이를 이용한 ｌｃｄ 백라이트용 광원모듈
KR20100046698A (ko) * 2008-10-28 2010-05-07 삼성전자주식회사 양자점을 이용한 백색광 발광다이오드 구조 및 이를 포함하는 백라이트 어셈블리
KR20100089606A (ko) * 2009-02-04 2010-08-12 한국기계연구원 컬러 변환층으로 반도체 나노 양자점을 포함하는 디스플레이소자
KR20100129030A (ko) * 2009-05-29 2010-12-08 삼성엘이디 주식회사 파장변환시트 및 이를 이용한 발광장치

Also Published As

Publication number Publication date
KR20130015847A (ko) 2013-02-14
US20140158982A1 (en) 2014-06-12
WO2013022215A2 (ko) 2013-02-14

Similar Documents

Publication Publication Date Title
WO2013022215A3 (ko) 발광장치, 백라이트 유닛과 디스플레이 장치 및 그 제조방법
EP2711996A3 (en) Ultraviolet light emitting device
EP2544253A4 (en) WAVE LENGTH CONVERSION ELEMENT, LIGHT EMITTING DEVICE, IMAGE DISPLAY DEVICE AND METHOD FOR PRODUCING THE WAVE LENGTH REVERSE ELEMENT
TWI373153B (en) Light emitting diode, and package structure and manufacturing method therefor
WO2008085210A3 (en) Electroluminescent display useful for displaying a predetermined pattern
WO2013042896A3 (ko) 조명 장치
JP2010093304A5 (ko)
EP2487719A3 (en) Light-emitting device and display device
WO2012128552A3 (en) Light conversion member and display device having the same
WO2009093845A3 (ko) 발광소자
WO2010123284A3 (en) Light emitting device
WO2012024636A3 (en) System and method for selected pump leds with multiple phosphors
EP2249408A4 (en) LIGHT-EMITTING DIODE AND METHOD FOR THE PRODUCTION THEREOF AND LIGHT-EMITTING DEVICE AND METHOD FOR THE PRODUCTION OF THE LIGHT-EMITTING DEVICE
WO2012135744A3 (en) White light-emitting device
WO2010105141A3 (en) Azaporphyrins and applications thereof
WO2011109442A3 (en) Led packaging with integrated optics and methods of manufacturing the same
EP3696248A4 (en) QUANTUM POINT, ITS MANUFACTURING PROCESS, WAVELENGTH CONVERSION ELEMENT USING QUANTUM POINT, LIGHTING ELEMENT, BACKLIGHT DEVICE AND DISPLAY DEVICE
EP2362452A3 (en) Light emitting device package and lighting system
WO2012071139A3 (en) Light emitting devices and methods
EP3410511A4 (en) QUANTUM LIGHT DIODE SUBPIXEL ARRAY, METHOD OF MANUFACTURING THEREOF AND DISPLAY DEVICE
WO2013110495A3 (de) Leuchtvorrichtung mit leuchtstoffrad
WO2013066920A3 (en) Broad-area lighting systems and methods of its fabrication
EP2074666A4 (en) LUMINOUS DIODE WITH TUNING WAVELENGTH
WO2013009037A3 (en) Display device and optical member
WO2012128551A3 (en) Display device and light conversion member

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12821446

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 14237036

Country of ref document: US

122 Ep: pct application non-entry in european phase

Ref document number: 12821446

Country of ref document: EP

Kind code of ref document: A2