EP2494603A4 - Dispositifs de diodes electroluminescentes (del) comprenant des nanocristaux - Google Patents

Dispositifs de diodes electroluminescentes (del) comprenant des nanocristaux Download PDF

Info

Publication number
EP2494603A4
EP2494603A4 EP10827425.9A EP10827425A EP2494603A4 EP 2494603 A4 EP2494603 A4 EP 2494603A4 EP 10827425 A EP10827425 A EP 10827425A EP 2494603 A4 EP2494603 A4 EP 2494603A4
Authority
EP
European Patent Office
Prior art keywords
nanocrystals
led
devices
light
emitting diode
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Withdrawn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
EP10827425.9A
Other languages
German (de)
English (en)
Other versions
EP2494603A1 (fr
Inventor
Robert S. Dubrow
Jian Chen
Veeral D. Hardev
Hans Jurgen Hofler
Ernest Lee
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.)
Nanosys Inc
Original Assignee
Nanosys 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
Priority claimed from US12/609,760 external-priority patent/US20100155749A1/en
Priority claimed from US12/609,736 external-priority patent/US20100110728A1/en
Application filed by Nanosys Inc filed Critical Nanosys Inc
Publication of EP2494603A1 publication Critical patent/EP2494603A1/fr
Publication of EP2494603A4 publication Critical patent/EP2494603A4/fr
Withdrawn legal-status Critical Current

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
    • H01L33/48—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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
    • C09K11/562—Chalcogenides
    • C09K11/565—Chalcogenides with zinc cadmium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
    • C09K11/881—Chalcogenides
    • C09K11/883—Chalcogenides with zinc or cadmium
    • 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
    • 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
    • H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
    • 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
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/36—Micro- or nanomaterials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • 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
    • H01L33/58—Optical field-shaping elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Led Device Packages (AREA)
  • Luminescent Compositions (AREA)
  • Planar Illumination Modules (AREA)
EP10827425.9A 2009-10-30 2010-10-27 Dispositifs de diodes electroluminescentes (del) comprenant des nanocristaux Withdrawn EP2494603A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/609,760 US20100155749A1 (en) 2007-03-19 2009-10-30 Light-emitting diode (led) devices comprising nanocrystals
US12/609,736 US20100110728A1 (en) 2007-03-19 2009-10-30 Light-emitting diode (led) devices comprising nanocrystals
PCT/US2010/054259 WO2011053635A1 (fr) 2009-10-30 2010-10-27 Dispositifs de diodes electroluminescentes (del) comprenant des nanocristaux

Publications (2)

Publication Number Publication Date
EP2494603A1 EP2494603A1 (fr) 2012-09-05
EP2494603A4 true EP2494603A4 (fr) 2018-04-11

Family

ID=43922509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10827425.9A Withdrawn EP2494603A4 (fr) 2009-10-30 2010-10-27 Dispositifs de diodes electroluminescentes (del) comprenant des nanocristaux

Country Status (4)

Country Link
EP (1) EP2494603A4 (fr)
JP (1) JP2013509714A (fr)
KR (1) KR101312238B1 (fr)
WO (1) WO2011053635A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8243426B2 (en) 2008-12-31 2012-08-14 Apple Inc. Reducing optical effects in a display
KR101791580B1 (ko) 2009-10-17 2017-10-30 삼성전자주식회사 광학 요소, 이를 포함한 제품, 및 그 제조 방법
GB201109065D0 (en) * 2011-05-31 2011-07-13 Nanoco Technologies Ltd Semiconductor nanoparticle-containing materials and light emitting devices incorporating the same
EP2721652B1 (fr) * 2011-06-20 2019-05-08 Crystalplex Corporation Module de lumière contenant des points quantiques
KR101221921B1 (ko) * 2011-07-05 2013-01-15 엘지전자 주식회사 이동 단말기
GB201116517D0 (en) 2011-09-23 2011-11-09 Nanoco Technologies Ltd Semiconductor nanoparticle based light emitting materials
US9176536B2 (en) 2011-09-30 2015-11-03 Apple, Inc. Wireless display for electronic devices
US9810942B2 (en) 2012-06-15 2017-11-07 Apple Inc. Quantum dot-enhanced display having dichroic filter
EP2923391A1 (fr) 2012-11-20 2015-09-30 Merck Patent GmbH Formulation dans un solvant de haute pureté pour la fabrication de dispositifs électroniques
WO2015000756A1 (fr) * 2013-07-03 2015-01-08 Koninklijke Philips N.V. Élément de guidage de lumière et agencement électroluminescent
CN105637267B (zh) 2013-08-16 2018-11-13 三星电子株式会社 用于制造光学部件的方法、光学部件及包括其的产品
KR20150092801A (ko) * 2014-02-05 2015-08-17 삼성디스플레이 주식회사 발광 다이오드 패키지 및 그 제조 방법
US9708532B2 (en) 2014-03-28 2017-07-18 Nanoco Technologies Ltd. Quantum dot compositions
KR101549406B1 (ko) * 2014-04-04 2015-09-03 코닝정밀소재 주식회사 발광 다이오드의 색변환용 기판 및 그 제조방법
US10156325B2 (en) 2014-09-30 2018-12-18 Lumileds Llc Quantum dots in enclosed environment
JP6323299B2 (ja) * 2014-10-31 2018-05-16 日本電気硝子株式会社 波長変換部材及び発光デバイス
KR20160090453A (ko) 2015-01-21 2016-08-01 삼성디스플레이 주식회사 퀀텀 도트 패널, 라이트 유닛 및 이를 포함하는 표시 장치
KR101686737B1 (ko) * 2015-04-30 2016-12-14 엘지전자 주식회사 광 변환 플레이트, 이를 포함하는 발광 다이오드 패키지, 백라이트 유닛 및 표시장치
DE102015114175A1 (de) * 2015-08-26 2017-03-16 Osram Opto Semiconductors Gmbh Verfahren zur Herstellung von lichtemittierenden Halbleiterbauteilen und lichtemittierendes Halbleiterbauteil
EP3184602B1 (fr) * 2015-12-23 2018-07-04 Avantama AG Composant luminescent
JP6955502B2 (ja) * 2016-02-26 2021-10-27 ナノシス・インク． 低カドミウム含有量のナノ構造体組成物およびその使用
FR3054330B1 (fr) * 2016-07-22 2019-06-14 Valeo Comfort And Driving Assistance Dispositif de generation d'images et afficheur tete haute associe
US11355583B2 (en) * 2016-07-28 2022-06-07 Samsung Electronics Co., Ltd. Quantum dots and devices including the same
EP3282000A1 (fr) 2016-08-11 2018-02-14 Avantama AG Composition polymère solide
KR101959306B1 (ko) * 2017-08-21 2019-03-18 엘지전자 주식회사 차량용 램프 및 차량
EP3753994B1 (fr) 2019-06-17 2021-06-23 Avantama AG Composant luminescent
WO2021234154A1 (fr) * 2020-05-22 2021-11-25 Avantama Ag Composant électroluminescent, dispositif électroluminescent et matériau de type feuille
EP3913033A1 (fr) * 2020-05-22 2021-11-24 Avantama AG Composant d'émission de lumière, dispositif d'émission de lumière et matériau de type feuille

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369935A1 (fr) * 2002-06-07 2003-12-10 Lumileds Lighting US, LLC LED contenant des nanoparticules
US20040233664A1 (en) * 2003-05-23 2004-11-25 Beeson Karl W. Illumination systems utilizing multiple wavelength light recycling
EP1541656A1 (fr) * 2002-06-19 2005-06-15 National Institute of Advanced Industrial Science and Technology Phosphore a tres fines particules de semi-conducteur et dispositif luminescent
WO2006017125A2 (fr) * 2004-07-08 2006-02-16 Evident Technologies Complexes nanocristallins semi-conducteurs micronises et procedes de fabrication et d’utilisation de ceux-ci
JP2006321966A (ja) * 2004-09-28 2006-11-30 Kyocera Corp 蛍光構造体、超微粒子構造体およびコンポジット、並びに発光装置、発光装置集合体
JP2007273498A (ja) * 2006-03-30 2007-10-18 Kyocera Corp 波長変換器および発光装置
WO2008116079A1 (fr) * 2007-03-20 2008-09-25 Evident Technologies, Inc. Points quantiques en poudre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1665396A1 (fr) * 2003-09-08 2006-06-07 Group IV Semiconductor Inc. Emetteur de lumiere blanche a semi-conducteurs et affichage mettant en oeuvre celui-ci
US8337721B2 (en) * 2005-12-02 2012-12-25 Vanderbilt University Broad-emission nanocrystals and methods of making and using same
KR100901947B1 (ko) * 2006-07-14 2009-06-10 삼성전자주식회사 반도체 나노결정을 이용하는 백색 발광 다이오드 및 그의제조방법
US20080237540A1 (en) 2007-03-19 2008-10-02 Nanosys, Inc. Methods for encapsulating nanocrystals

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369935A1 (fr) * 2002-06-07 2003-12-10 Lumileds Lighting US, LLC LED contenant des nanoparticules
EP1541656A1 (fr) * 2002-06-19 2005-06-15 National Institute of Advanced Industrial Science and Technology Phosphore a tres fines particules de semi-conducteur et dispositif luminescent
US20040233664A1 (en) * 2003-05-23 2004-11-25 Beeson Karl W. Illumination systems utilizing multiple wavelength light recycling
WO2006017125A2 (fr) * 2004-07-08 2006-02-16 Evident Technologies Complexes nanocristallins semi-conducteurs micronises et procedes de fabrication et d’utilisation de ceux-ci
JP2006321966A (ja) * 2004-09-28 2006-11-30 Kyocera Corp 蛍光構造体、超微粒子構造体およびコンポジット、並びに発光装置、発光装置集合体
JP2007273498A (ja) * 2006-03-30 2007-10-18 Kyocera Corp 波長変換器および発光装置
WO2008116079A1 (fr) * 2007-03-20 2008-09-25 Evident Technologies, Inc. Points quantiques en poudre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011053635A1 *

Also Published As

Publication number Publication date
JP2013509714A (ja) 2013-03-14
KR101312238B1 (ko) 2013-09-26
KR20120099704A (ko) 2012-09-11
EP2494603A1 (fr) 2012-09-05
WO2011053635A1 (fr) 2011-05-05

Similar Documents

Publication Publication Date Title
EP2494603A4 (fr) Dispositifs de diodes electroluminescentes (del) comprenant des nanocristaux
GB201006287D0 (en) Tubeless light-emitting diode based lighting device
EP2432036B8 (fr) Diode électroluminescente
PL3758076T3 (pl) Dioda emitująca światło
EP2458654A4 (fr) Diode électroluminescente
HK1165906A1 (en) Led light emitting device led
EP2375866A4 (fr) Lampe à diodes électroluminescentes
PL2443386T3 (pl) Grupa elektroluminescencyjna LED
TWM391250U (en) Light-emitting diode (LED) control circuit
EP2422237A4 (fr) Dispositif émetteur de lumière
EP2415094A4 (fr) Dispositif électroluminescent
PL2272105T3 (pl) Chip diody elektroluminescencyjnej
EP2453489A4 (fr) Dispositif électroluminescent
GB2483388B (en) Light emitting diodes
EP2455966A4 (fr) Dispositif electroluminescent
EP2471122A4 (fr) Luminaires à diodes électroluminescentes organiques
EP2378193A4 (fr) Appareil d'éclairage utilisant des diodes électroluminescentes
EP2437578A4 (fr) Dispositif électroluminescent
EP2660881A4 (fr) Circuit de commande de diode electroluminescente et source de lumiere à diode electroluminescente
EP2495774A4 (fr) Dispositif luminescent
EP2494620A4 (fr) Panneaux lumineux à diodes électroluminescentes organiques
EP2485284A4 (fr) Dispositif émetteur de lumière
EP2494629A4 (fr) Panneaux lumineux à diodes électroluminescentes organiques
EP2426746A4 (fr) Dispositif électroluminescent
EP2494625A4 (fr) Panneaux lumineux à diodes électroluminescentes organiques

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120424

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: H01L 33/58 20100101ALI20171127BHEP

Ipc: H01L 31/00 20060101AFI20171127BHEP

Ipc: H01L 33/50 20100101ALI20171127BHEP

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20180309

RIC1 Information provided on ipc code assigned before grant

Ipc: H01L 33/58 20100101ALI20180306BHEP

Ipc: H01L 31/00 20060101AFI20180306BHEP

Ipc: H01L 33/50 20100101ALI20180306BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20181113

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200808