EP2494603A4 - Light-emitting diode (led) devices comprising nanocrystals - Google Patents

Light-emitting diode (led) devices comprising nanocrystals Download PDF

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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Withdrawn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)
French (fr)
Other versions
EP2494603A1 (en
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 US12/609,736 external-priority patent/US20100110728A1/en
Priority claimed from US12/609,760 external-priority patent/US20100155749A1/en
Application filed by Nanosys Inc filed Critical Nanosys Inc
Publication of EP2494603A1 publication Critical patent/EP2494603A1/en
Publication of EP2494603A4 publication Critical patent/EP2494603A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—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 materials, e.g. electroluminescent or chemiluminescent
    • 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 materials, e.g. electroluminescent or chemiluminescent
    • 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/56—Luminescent materials, e.g. electroluminescent or chemiluminescent 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/88—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
    • C09K11/881—Chalcogenides
    • C09K11/883—Chalcogenides with zinc or cadmium
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/851—Wavelength conversion means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/851—Wavelength conversion means
    • H10H20/8515—Wavelength conversion means not being in contact with the bodies
    • 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
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Led Device Packages (AREA)
  • Luminescent Compositions (AREA)
  • Planar Illumination Modules (AREA)
EP10827425.9A 2009-10-30 2010-10-27 Light-emitting diode (led) devices comprising nanocrystals Withdrawn EP2494603A4 (en)

Applications Claiming Priority (3)

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

Publications (2)

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

Family

ID=43922509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10827425.9A Withdrawn EP2494603A4 (en) 2009-10-30 2010-10-27 Light-emitting diode (led) devices comprising nanocrystals

Country Status (4)

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

Families Citing this family (30)

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US8243426B2 (en) 2008-12-31 2012-08-14 Apple Inc. Reducing optical effects in a display
WO2011047385A1 (en) 2009-10-17 2011-04-21 Qd Vision, Inc. An optical, component, products including same, and methods for making same
GB201109065D0 (en) * 2011-05-31 2011-07-13 Nanoco Technologies Ltd Semiconductor nanoparticle-containing materials and light emitting devices incorporating the same
WO2012177793A1 (en) 2011-06-20 2012-12-27 Crystalplex Corporation Quantum dot containing light module
KR101221921B1 (en) * 2011-07-05 2013-01-15 엘지전자 주식회사 Mobile terminal
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
JP6407877B2 (en) 2012-11-20 2018-10-17 メルク パテント ゲーエムベーハー Formulations in high purity solvents for the manufacture of electronic devices
US20160376170A1 (en) * 2013-07-03 2016-12-29 Koninklijke Philips N.V. Light guiding member and light emitting arrangement
US9685628B2 (en) 2013-08-16 2017-06-20 Samsung Electronics Co., Ltd. Methods for making optical components, optical components, and products including same
KR20150092801A (en) * 2014-02-05 2015-08-17 삼성디스플레이 주식회사 Light Emitting Diode Package and Method of manufacturing the same
US9708532B2 (en) * 2014-03-28 2017-07-18 Nanoco Technologies Ltd. Quantum dot compositions
KR101549406B1 (en) * 2014-04-04 2015-09-03 코닝정밀소재 주식회사 Substrate for color conversion of led and method of fabricating threof
US10156325B2 (en) 2014-09-30 2018-12-18 Lumileds Llc Quantum dots in enclosed environment
JP6323299B2 (en) * 2014-10-31 2018-05-16 日本電気硝子株式会社 Wavelength conversion member and light emitting device
KR20160090453A (en) 2015-01-21 2016-08-01 삼성디스플레이 주식회사 Quantum dot panel, light unit and display device including the same
KR101686737B1 (en) 2015-04-30 2016-12-14 엘지전자 주식회사 Light conversion plate, light emitting diode package, backlight unit and display device comprising the same
DE102015114175A1 (en) * 2015-08-26 2017-03-16 Osram Opto Semiconductors Gmbh A method of manufacturing semiconductor light emitting devices and semiconductor light emitting device
EP3184602B1 (en) * 2015-12-23 2018-07-04 Avantama AG Luminescent component
CA3015622A1 (en) * 2016-02-26 2017-08-31 Nanosys, Inc. Low cadmium content nanostructure compositions and uses thereof
FR3054330B1 (en) * 2016-07-22 2019-06-14 Valeo Comfort And Driving Assistance IMAGE GENERATING DEVICE AND ASSOCIATED HIGH HEAD DISPLAY
US11355583B2 (en) 2016-07-28 2022-06-07 Samsung Electronics Co., Ltd. Quantum dots and devices including the same
EP3282000A1 (en) * 2016-08-11 2018-02-14 Avantama AG Solid polymer composition
KR101959306B1 (en) 2017-08-21 2019-03-18 엘지전자 주식회사 Lamp for vehicle and vehicle
EP3753994B1 (en) 2019-06-17 2021-06-23 Avantama AG Luminescent component
JP2023528245A (en) * 2020-05-22 2023-07-04 アファンタマ アクチェンゲゼルシャフト Light-emitting components, light-emitting devices and sheet materials
EP3913033A1 (en) * 2020-05-22 2021-11-24 Avantama AG Light emitting component, a light emitting device and a sheet-like material
EP3981854A1 (en) * 2020-10-08 2022-04-13 Avantama AG Light emitting component and light emitting device
KR102799420B1 (en) 2020-10-20 2025-04-25 삼성전자주식회사 Display appartus

Citations (7)

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EP1369935A1 (en) * 2002-06-07 2003-12-10 Lumileds Lighting US, LLC Light-emitting devices utilizing nanoparticles
US20040233664A1 (en) * 2003-05-23 2004-11-25 Beeson Karl W. Illumination systems utilizing multiple wavelength light recycling
EP1541656A1 (en) * 2002-06-19 2005-06-15 National Institute of Advanced Industrial Science and Technology Semiconductor superfine particle phosphor and light emitting device
WO2006017125A2 (en) * 2004-07-08 2006-02-16 Evident Technologies Micronized semiconductor nanocrystal complexes and methods of making and using same
JP2006321966A (en) * 2004-09-28 2006-11-30 Kyocera Corp Fluorescent structure, ultrafine particle structure and composite, light emitting device, and light emitting device assembly
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WO2008116079A1 (en) * 2007-03-20 2008-09-25 Evident Technologies, Inc. Powdered quantum dots

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Patent Citations (7)

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EP1369935A1 (en) * 2002-06-07 2003-12-10 Lumileds Lighting US, LLC Light-emitting devices utilizing nanoparticles
EP1541656A1 (en) * 2002-06-19 2005-06-15 National Institute of Advanced Industrial Science and Technology Semiconductor superfine particle phosphor and light emitting device
US20040233664A1 (en) * 2003-05-23 2004-11-25 Beeson Karl W. Illumination systems utilizing multiple wavelength light recycling
WO2006017125A2 (en) * 2004-07-08 2006-02-16 Evident Technologies Micronized semiconductor nanocrystal complexes and methods of making and using same
JP2006321966A (en) * 2004-09-28 2006-11-30 Kyocera Corp Fluorescent structure, ultrafine particle structure and composite, light emitting device, and light emitting device assembly
JP2007273498A (en) * 2006-03-30 2007-10-18 Kyocera Corp Wavelength converter and light emitting device
WO2008116079A1 (en) * 2007-03-20 2008-09-25 Evident Technologies, Inc. Powdered quantum dots

Non-Patent Citations (1)

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Title
See also references of WO2011053635A1 *

Also Published As

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

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