Carbidonitride phosphors and LED lighting devices using the same

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

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Title: Carbidonitride phosphors and LED lighting devices using the same

Abstract

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

Inventors:: Li, Yuanqiang; Romanelli, Michael Dennis; Tian, Yongchi

Issue Date:: 2015-04-28

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1178739

Patent Number(s):: 9017574

Application Number:: 13/557,613

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

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

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES

Show more

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

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

H - ELECTRICITY H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05B - ELECTRIC HEATING
H05B33/12 - Light sources with substantially two-dimensional radiating surfaces

Show less

DOE Contract Number:: EE0003245

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 Jul 25

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Li, Yuanqiang, Romanelli, Michael Dennis, and Tian, Yongchi. Carbidonitride phosphors and LED lighting devices using the same.  United States: N. p., 2015. 
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                    Li, Yuanqiang, Romanelli, Michael Dennis, & Tian, Yongchi. Carbidonitride phosphors and LED lighting devices using the same.  United States.

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                    Li, Yuanqiang, Romanelli, Michael Dennis, and Tian, Yongchi. Tue .  
        "Carbidonitride phosphors and LED lighting devices using the same".  United States.  https://www.osti.gov/servlets/purl/1178739.

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@article{osti_1178739,

  title        = {Carbidonitride phosphors and LED lighting devices using the same},

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

  abstractNote = {A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {4}

}

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Works referenced in this record:

Phosphor for electron beam excitation and color display device using the same
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Gotoh, Masahiro; Nagatomi, Akira; Sakane, Kenji
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patent-application, November 2011

Li, Yuanqiang; Tian, Yongchi; Romanelli, Michael Dennis
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Oxycarbonitride Phosphors and Light Emitting Devices Using the Same
patent-application, November 2011

Li, Yuanqiang; Tian, Yongchi; Romanelli, Michael Dennis
US Patent Application 13/046388; 20110279017
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patent-application, March 2012

Li, Yuanqiang; Romanelli, Michael Demmis; Tian, Yongchi
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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.
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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.
Full Text Available

Similar Records

Title: Carbidonitride phosphors and LED lighting devices using the same

Abstract

Citation Formats

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Luminescent material patent, January 2012

Cerium and europium doped single crystal phosphors patent, February 2012

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Light emitting device with an improved CaAlSiN light converting material patent, April 2012

Phosphor and use thereof patent, June 2012

Phosphor and light-emitting equipment using phosphor patent-application, January 2007

Nitride-based red phosphors patent-application, November 2009

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Nitride-based red phosphors
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Rare-Earth Doped Alkaline-Earth Silicon Nitride Phosphor, Method for Producing and Radiation Converting Device Comprising Such a Phosphor
patent-application, November 2010

Fluorescent material and light-emitting device employing the same
patent-application, August 2011

Carbonitride Based Phosphors and Light Emitting Devices Using the Same
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