EP2494603A4 - Light-emitting diode (led) devices comprising nanocrystals - Google Patents
Light-emitting diode (led) devices comprising nanocrystals Download PDFInfo
- 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- Withdrawn
Links
- 239000002159 nanocrystal Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
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 (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 (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8243426B2 (en) | 2008-12-31 | 2012-08-14 | Apple Inc. | Reducing optical effects in a display |
CN102597848B (en) | 2009-10-17 | 2016-06-01 | Qd视光有限公司 | Optical element, include its product and the method for manufacturing it |
GB201109065D0 (en) * | 2011-05-31 | 2011-07-13 | Nanoco Technologies Ltd | Semiconductor nanoparticle-containing materials and light emitting devices incorporating the same |
US10539297B2 (en) | 2011-06-20 | 2020-01-21 | 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 |
EP2923391A1 (en) | 2012-11-20 | 2015-09-30 | Merck Patent GmbH | Formulation in high-purity solvent for producing electronic devices |
CN105358488A (en) * | 2013-07-03 | 2016-02-24 | 皇家飞利浦有限公司 | Light guiding member and light emitting arrangement |
EP3033552B1 (en) | 2013-08-16 | 2023-05-31 | Samsung Electronics Co., Ltd. | Methods for making 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 |
JP6748072B2 (en) | 2014-09-30 | 2020-08-26 | ルミレッズ ホールディング ベーフェー | Quantum dots in an 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 |
EP3419927B1 (en) * | 2016-02-26 | 2023-11-22 | Shoei Chemical 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 |
EP3275967A1 (en) * | 2016-07-28 | 2018-01-31 | 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 |
EP3940038B1 (en) | 2019-06-17 | 2024-01-31 | Avantama AG | Luminescent component |
EP3913033A1 (en) * | 2020-05-22 | 2021-11-24 | Avantama AG | Light emitting component, a light emitting device and a sheet-like material |
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 structural body, superfine particle structural body and composite, and light emitting device and light emitting device assembly |
WO2008116079A1 (en) * | 2007-03-20 | 2008-09-25 | Evident Technologies, Inc. | Powdered quantum dots |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1849713A (en) * | 2003-09-08 | 2006-10-18 | 第四族半导体有限公司 | Solid state white light emitter and display using same |
US8337721B2 (en) * | 2005-12-02 | 2012-12-25 | Vanderbilt University | Broad-emission nanocrystals and methods of making and using same |
KR100901947B1 (en) * | 2006-07-14 | 2009-06-10 | 삼성전자주식회사 | White Light-Emitting Diode using Semiconductor Nanocrystals and Preparation Method Thereof |
US20080237540A1 (en) * | 2007-03-19 | 2008-10-02 | Nanosys, Inc. | Methods for encapsulating nanocrystals |
-
2010
- 2010-10-27 EP EP10827425.9A patent/EP2494603A4/en not_active Withdrawn
- 2010-10-27 WO PCT/US2010/054259 patent/WO2011053635A1/en active Application Filing
- 2010-10-27 KR KR1020127013915A patent/KR101312238B1/en active IP Right Grant
- 2010-10-27 JP JP2012536994A patent/JP2013509714A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 structural body, superfine particle structural body and composite, and light emitting device and light emitting device assembly |
WO2008116079A1 (en) * | 2007-03-20 | 2008-09-25 | Evident Technologies, Inc. | Powdered quantum dots |
Non-Patent Citations (1)
Title |
---|
See also references of WO2011053635A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20120099704A (en) | 2012-09-11 |
WO2011053635A1 (en) | 2011-05-05 |
KR101312238B1 (en) | 2013-09-26 |
EP2494603A1 (en) | 2012-09-05 |
JP2013509714A (en) | 2013-03-14 |
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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 |
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17P | Request for examination filed |
Effective date: 20120424 |
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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 |
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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 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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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 |