Lightscape Materials, Inc.

Sarnoff Corporation

USA as Represented by Secretary of the Navy

Dow Global Technolgoies LLC

Stanley Electric Co., Ltd

Yongchi Tian

Michael Dennis Romanelli

Yuanqiang Li

Perry Niel Yocom

Alan C Thomas

Diane Zaremba

Mary Anne Leugers

Olga Zakharov

Alison Sides

David S Y Hsu

Yuan Qiang Li

Banahalli R Ratna

Pradyumna Kumar Swain

Zilan Shen

Liyou Yang

Ian Gregory Hill

Gerard Frederickson

Sawsan Aziz

Jia Ming Chen

Anthony Dinsmore

A method of manufacturing an Euactivated inorganic red phosphor is provided, wherein the phosphor exhibits an emission spectrum resolvable into a first Gaussian emission curve and a second Gaussian emission curve; wherein the first Gaussian emission curve has a first Gaussian emission curve peak, P; wherein the first Gaussian emission curve peak, P, has a peak 1 height, H, a peak 1 peak wavelength, P&#x3bb;, and a peak 1 area, A; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P; wherein the second Gaussian emission curve peak, P, has a peak 2 height, H, a peak 2 peak wavelength, P&#x3bb;, a peak 2 full width at half max, FWHM, and a peak 2 area, A; wherein P&#x3bb;&#x3c;P&#x3bb;; and, wherein the peak 2 full width at half max, FWHM, is minimized.

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

Oxycarbonitride phosphors and light emitting devices using the same

A phosphor is provided, comprising an inorganic luminescent compound represented by formula (1) having an emission spectrum resolvable into a first Gaussian emission curve and a second Gaussian emission curve; wherein the first Gaussian emission curve has a first Gaussian emission curve peak, P; wherein the first Gaussian emission curve peak, P, has a peak 1 height, H, a peak 1 peak wavelength, P&#x3bb;, and a peak 1 area, A; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P; wherein the second Gaussian emission curve peak, Phas a peak 2 height, H, a peak 2 peak wavelength, P&#x3bb;, a peak 2 full width at half max, FWHM, and a peak 2 area, A; wherein P&#x3bb;&#x3c;P&#x3bb;; and, wherein, at least one of, the peak 2 height, H, the peak 2 full width at half max, FWHM, and, the peak 2 area, A, is minimized.

Inorganic phosphor and light emitting devices comprising same

A red phosphor is provided, comprising an inorganic luminescent compound represented by formula (1) having an emission spectrum resolvable into a first Gaussian emission curve and a second Gaussian emission curve; wherein the first Gaussian emission curve has a first Gaussian emission curve peak, P; wherein the first Gaussian emission curve peak, P, has a peak 1 height, H, a peak 1 peak wavelength, P&#x3bb;, and a peak 1 area, A; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P; wherein the second Gaussian emission curve peak, P, has a peak 2 height, H, a peak 2 peak wavelength, P&#x3bb;, a peak 2 full width at half max, FWHM, and a peak 2 area, A; wherein P&#x3bb;&#x3c;P&#x3bb;; and, wherein the peak 2 full width at half max, FWHM, is minimized.

Inorganic red phosphor and lighting devices comprising same

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

Carbidonitride phosphors and LED lighting devices using the same

The present invention relates to certain metal silicate halide (halosilicate) phosphors, the phosphors with an oxide coating, methods of making the phosphors, and light emitting diode- (LED-) based lighting devices modified with the phosphors.

Metal silicate halide phosphors and LED lighting devices using the same

Halogenated oxycarbidonitride phosphor and devices using same

Disclosed herein is a novel group of carbonitride and carbidonitride phosphors and light emitting devices which utilize these phosphors. In certain embodiments, the inventive phosphors are expressed as follows:CaSiCAlNOEu&#x2003;&#x2003;(1)M(II)SiCM(III)NOH:A&#x2003;&#x2003;(2)MSiCM(III)NOH:A&#x2003;&#x2003;(3)CaSiAlNCO:Eu&#x2003;&#x2003;(4)M(II)SiM(III)NCOH:A&#x2003;&#x2003;(5)MSiM(III)NCOH:A&#x2003;&#x2003;(6)wherein v is the valence number of M, 0&#x2266;m&#x3c;5, 0&#x2266;n&#x2266;3, 0&#x2266;x&#x3c;4, and 0&#x2266;y&#x3c;1, M is at least one cation, M(II) is at least one divalent cation, M(III) is at least one trivalent cation, H is at least one monovalent anion, and A is a luminescence activator.

Carbonitride and carbidonitride phosphors and lighting devices using the same

Disclosed herein is a novel family of oxycarbonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M&#x2014;Al&#x2014;Si&#x2014;O&#x2014;N&#x2014;C&#x2014;Ln and quintuplet system of M&#x2014;Si&#x2014;O&#x2014;N&#x2014;C&#x2014;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.

Disclosed herein is a novel family of oxycarbidonitride phosphor compositions and light emitting devices incorporating the same. Within the sextant system of M&#x2014;Al&#x2014;Si&#x2014;O&#x2014;N&#x2014;C&#x2014;Ln and quintuplet system of M&#x2014;Si&#x2014;O&#x2014;N&#x2014;C&#x2014;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.

Oxycarbidonitride based phosphors and LED lighting devices

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.

Silicon carbidonitride based phosphors and lighting devices using the same

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:CaAlSiNC:A;&#x2003;&#x2003;(1)CaNaM(III)SiNC:A;&#x2003;&#x2003;(2)M(II)M(I)M(III)SiNC:A;&#x2003;&#x2003;(3)M(II)M(I)M(III)SiNCOH:A; and&#x2003;&#x2003;(4)M(II)M(I)M(III)SiNCOH:A,&#x2003;&#x2003;(4a)wherein 0&#x3c;x&#x3c;1, 0&#x3c;y&#x3c;1, 0&#x2266;z&#x3c;1, 0&#x2266;v&#x3c;1, 0&#x3c;w&#x3c;1, x+z&#x3c;1, x&#x3e;xy+z, and 0&#x3c;x&#x2212;xy&#x2212;z&#x3c;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.

Carbonitride based phosphors and light emitting devices using the same

Disclosed herein is a group of phosphors of the formulaM(SiO)(TiO)(ZrO)(HfO):A,Sand light emitting devices which utilize these phosphors.

Silicate-based phosphors and LED lighting devices using the same

The present invention relates to metal silicate halide (halosilicate) phosphors, the phosphors with an oxide coating, methods of making the phosphors, and light emitting diode- (LED-) based lighting devices modified with the phosphors.

Growing community of inventors

Princeton Junction, NJ, United States of America

Yongchi Tian