Oxycarbonitride phosphors and light emitting devices using the same

Li, Yuanqiang; Romanelli, Michael D.; Tian, Yongchi

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Title: Oxycarbonitride phosphors and light emitting devices using the same

Abstract

A family of oxycarbonitride phosphor compositions is provided. Also provided are light emitting devices incorporating the oxycarbonitride phosphor compositions.

Inventors:: Li, Yuanqiang; Romanelli, Michael D.; Tian, Yongchi

Issue Date:: 2015-12-22

Research Org.:: Lightscape Materials, Inc., Princeton, NJ (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1233591

Patent Number(s):: 9217105

Application Number:: 14/279,769

Assignee:: Lightscape Materials, Inc. (Princeton, NJ)

Patent Classifications (CPCs):: C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

F - MECHANICAL ENGINEERING F21 - LIGHTING F21K - NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE

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C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
C09K11/0883 - {Arsenides
C09K11/7705 - {with alkali or alkaline earth metals}
C09K11/7728 - {comprising europium}
C09K11/7731 - {with alkaline earth metals}
C09K11/7733 - {with alkali or alkaline earth metals}

F - MECHANICAL ENGINEERING F21 - LIGHTING F21K - NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE
F21K9/64 - using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J1/63 - characterised by the luminescent material
H01J29/20 - characterised by the luminescent material {

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
H01L33/502 - {Wavelength conversion materials}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES 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

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DOE Contract Number:: EE0032450

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 May 16

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Li, Yuanqiang, Romanelli, Michael D., and Tian, Yongchi. Oxycarbonitride phosphors and light emitting devices using the same.  United States: N. p., 2015. 
        Web.

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                    Li, Yuanqiang, Romanelli, Michael D., & Tian, Yongchi. Oxycarbonitride phosphors and light emitting devices using the same.  United States.

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                    Li, Yuanqiang, Romanelli, Michael D., and Tian, Yongchi. Tue .  
        "Oxycarbonitride phosphors and light emitting devices using the same".  United States.  https://www.osti.gov/servlets/purl/1233591.

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@article{osti_1233591,

  title        = {Oxycarbonitride phosphors and light emitting devices using the same},

  author       = {Li, Yuanqiang and Romanelli, Michael D. and Tian, Yongchi},

  abstractNote = {A family of oxycarbonitride phosphor compositions is provided. Also provided are light emitting devices incorporating the oxycarbonitride phosphor compositions.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {12}

}

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Works referenced in this record:

Silicon carbidonitride based phosphors and lighting devices using the same
patent, September 2013

Li, Yuanqiang; Romanelli, Michael Dennis; Tian, Yongchi
US Patent Document 8,535,566
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8535566

M-C-N-O Based Phosphor
patent-application, May 2010

Okuyama, Kikuo; Yabuki, Akihiro; Iskandar, Ferry
US Patent Application 12/593307; 20100109508
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20100109508

Similar Records in DOE Patents and OSTI.GOV collections:

Oxycarbonitride phosphors and light emitting devices using the same

Patent Li, Yuanqiang; Romanelli, Michael Dennis; Tian, Yongchi

Disclosed herein is a novel family of oxycarbidonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M--Al--Si--O--N--C--Ln and quintuplet system of M--Si--O--N--C--Ln (M=alkaline earth element, Ln=rare earth element), the phosphors are composed of either one single crystalline phase or two crystalline phases with high chemical and thermal stability. In certain embodiments, the disclosed phosphor of silicon oxycarbidonitrides emits green light at wavelength between 530-550 nm. In further embodiments, the disclosed phosphor compositions emit blue-green to yellow light in a wavelength range of 450-650 nm under near-UV and blue light excitation.
Full Text Available
Oxycarbonitride phosphors and light emitting devices using the same

Patent Li, Yuanqiang; Romanelli, Michael Dennis; Tian, Yongchi

Disclosed herein is a novel family of oxycarbonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M--Al--Si--O--N--C--Ln and quintuplet system of M--Si--O--N--C--Ln (M=alkaline earth element, Ln=rare earth element), the phosphors are composed of either one single crystalline phase or two crystalline phases with high chemical and thermal stability. In certain embodiments, the disclosed phosphor of silicon oxycarbonitrides emits green light at wavelength between 530-550 nm. In further embodiments, the disclosed phosphor compositions emit blue-green to yellow light in a wavelength range of 450-650 nm under near-UV and blue light excitation.
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Patent Li, Yuanqiang; Tian, Yongchi; Romanelli, Michael Dennis

Disclosed herein is a novel group of carbidonitride phosphors and light emitting devices which utilize these phosphors. In certain embodiments, the present invention is directed to a novel family of carbidonitride-based phosphors expressed as follows: Ca.sub.1-xAl.sub.x-xySi.sub.1-x+xyN.sub.2-x-xyC.sub.xy:A; (1) Ca.sub.1-x-zNa.sub.zM(III).sub.x-xy-zSi.sub.1-x+xy+zN.sub.2-x-xyC.sub.xy:- A; (2) M(II).sub.1-x-zM(I).sub.zM(III).sub.x-xy-zSi.sub.1-x+xy+zN.sub.2-x- -xyC.sub.xy:A; (3) M(II).sub.1-x-zM(I).sub.zM(III).sub.x-xy-zSi.sub.1-x+xy+zN.sub.2-x-xy-2w/- 3C.sub.xyO.sub.w-v/2H.sub.v:A; and (4) M(II).sub.1-x-zM(I).sub.zM(III).sub.x-xy-zSi.sub.1-x+xy+zN.sub.2-x-xy-2w/- 3-v/3C.sub.xyO.sub.wH.sub.v:A, (4a) wherein 0<x<1, 0<y<1, 0.ltoreq.z<1, 0.ltoreq.v<1, 0<w<1, x+z<1, x>xy+z, and 0<x-xy-z<1, M(II) is at least one divalent cation, M(I) is at least one monovalent cation, M(III) is at least one trivalent cation, H is at least one monovalent anion, and A is a luminescence activator doped in the crystal structure.
Full Text Available
Silicon carbidonitride based phosphors and lighting devices using the same

Patent Li, Yuanqiang; Romanelli, Michael Dennis; Tian, Yongchi

Disclosed herein are novel families of silicon carbidonitride phosphor compositions. In certain embodiments, optimal ranges of carbon content have been identified which provide excellent luminescence and thermal stability characteristics.
Full Text Available
Carbidonitride phosphors and LED lighting devices using the same

Patent Li, Yuanqiang; Romanelli, Michael Dennis; Tian, Yongchi

A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.
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Similar Records

Title: Oxycarbonitride phosphors and light emitting devices using the same

Abstract

Citation Formats

Silicon carbidonitride based phosphors and lighting devices using the same patent, September 2013

M-C-N-O Based Phosphor patent-application, May 2010

Silicon carbidonitride based phosphors and lighting devices using the same
patent, September 2013

M-C-N-O Based Phosphor
patent-application, May 2010