Patents by Inventor Dennis Romanelli
Dennis Romanelli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9315725Abstract: A method of manufacturing an Eu2+ activated 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, P1; wherein the first Gaussian emission curve peak, P1, has a peak 1 height, HP1, a peak 1 peak wavelength, P?P1, and a peak 1 area, AP1; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P2; wherein the second Gaussian emission curve peak, P2, has a peak 2 height, HP2, a peak 2 peak wavelength, P?P2, a peak 2 full width at half max, FWHMP2, and a peak 2 area, AP2; wherein P?P1<P?P2; and, wherein the peak 2 full width at half max, FWHMP2, is minimized.Type: GrantFiled: August 28, 2014Date of Patent: April 19, 2016Assignees: Lightscape Materials, Inc., Dow Global Technologies LLCInventors: Michael Dennis Romanelli, Alan C. Thomas, Mary Anne Leugers, Yongchi Tian
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Publication number: 20160060515Abstract: A method of manufacturing an Eu2+ activated 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, P1; wherein the first Gaussian emission curve peak, P1, has a peak 1 height, HP1, a peak 1 peak wavelength, P?P1, and a peak 1 area, AP1; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P2; wherein the second Gaussian emission curve peak, P2, has a peak 2 height, HP2, a peak 2 peak wavelength, P?P2, a peak 2 full width at half max, FWHMP2, and a peak 2 area, AP2; wherein P?P1<P?P2; and, wherein the peak 2 full width at half max, FWHMP2, is minimized.Type: ApplicationFiled: August 28, 2014Publication date: March 3, 2016Inventors: Michael Dennis Romanelli, Alan C. Thomas, Mary Anne Leugers, Yongchi Tian
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Patent number: 9200198Abstract: 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, P1; wherein the first Gaussian emission curve peak, P1, has a peak 1 height, HP1, a peak 1 peak wavelength, P?P1, and a peak 1 area, AP1; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P2; wherein the second Gaussian emission curve peak, P2 has a peak 2 height, HP2, a peak 2 peak wavelength, P?P2, a peak 2 full width at half max, FWHMP2, and a peak 2 area, AP2; wherein P?P1<P?P2; and, wherein, at least one of, the peak 2 height, HP2, the peak 2 full width at half max, FWHMP2, and, the peak 2 area, AP2, is minimized.Type: GrantFiled: August 28, 2014Date of Patent: December 1, 2015Assignees: Lightscape Materials, Inc., Dow Global Technologies LLCInventors: Michael Dennis Romanelli, Mary Anne Leugers, Alan C. Thomas, Yongchi Tian
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Patent number: 9200199Abstract: 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, P1; wherein the first Gaussian emission curve peak, P1, has a peak 1 height, HP1, a peak 1 peak wavelength, P?P1, and a peak 1 area, AP1; wherein the second Gaussian emission curve has a second Gaussian emission curve peak, P2; wherein the second Gaussian emission curve peak, P2, has a peak 2 height, HP2, a peak 2 peak wavelength, P?P2, a peak 2 full width at half max, FWHMP2, and a peak 2 area, AP2; wherein P?P1<P?P2; and, wherein the peak 2 full width at half max, FWHMP2, is minimized.Type: GrantFiled: August 28, 2014Date of Patent: December 1, 2015Assignees: Lightscape Materials, Inc., Dow Global Technologies LLCInventors: Michael Dennis Romanelli, Alan C. Thomas, Mary Anne Leugers, Yongchi Tian
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Patent number: 9017574Abstract: A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.Type: GrantFiled: July 25, 2012Date of Patent: April 28, 2015Assignee: Lightscape Materials, Inc.Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Patent number: 8771547Abstract: 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.Type: GrantFiled: July 25, 2013Date of Patent: July 8, 2014Assignee: Lightscape Materials, Inc.Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Publication number: 20140159567Abstract: 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.Type: ApplicationFiled: July 25, 2013Publication date: June 12, 2014Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Patent number: 8551361Abstract: 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.Type: GrantFiled: March 11, 2011Date of Patent: October 8, 2013Assignee: Lightscape Materials, Inc.Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Patent number: 8535566Abstract: 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.Type: GrantFiled: June 20, 2011Date of Patent: September 17, 2013Assignee: Lightscape Materials, Inc.Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Patent number: 8512599Abstract: 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: Ca1?xAlx?xySi1?x+xyN2?x?xyCxy:A;??(1) Ca1?x?zNazM(III)x?xy?zSi1?x+xy+zN2?x?xyCxy:A;??(2) M(II)1?x?zM(I)zM(III)x?xy?zSi1?x+xy+zN2?x?xyCxy:A;??(3) M(II)1?x?zM(I)zM(III)x?xy?zSi1?x+xy+zN2?x?xy?2w/3CxyOw?v/2Hv:A; and??(4) M(II)1?x?zM(I)zM(III)x?xy?zSi1?x+xy+zN2?x?xy?2w/3?v/3CxyOwHv:A,??(4a) wherein 0<x<1, 0<y<1, 0?z<1, 0?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.Type: GrantFiled: July 19, 2010Date of Patent: August 20, 2013Assignee: Lightscape Materials, Inc.Inventors: Yuanqiang Li, Yongchi Tian, Michael Dennis Romanelli
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Publication number: 20130207536Abstract: A red phosphor is provided. Also provided is a lighting apparatus containing a red phosphor.Type: ApplicationFiled: July 25, 2012Publication date: August 15, 2013Applicant: LIGHTSCAPE MATERIALS, INC.Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Publication number: 20120062105Abstract: 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.Type: ApplicationFiled: June 20, 2011Publication date: March 15, 2012Applicant: LIGHTSCAPE MATERIALS, INC.Inventors: Yuanqiang Li, Michael Dennis Romanelli, Yongchi Tian
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Publication number: 20110279017Abstract: 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.Type: ApplicationFiled: March 11, 2011Publication date: November 17, 2011Applicant: LIGHTSCAPE MATERIALS, INC.Inventors: Yuanqiang Li, Yongchi Tian, Michael Dennis Romanelli
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Publication number: 20110279016Abstract: 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: Ca1-xAlx-xySi1-x+xyN2-x-xyCxy:A??(1); Ca1-x-zNazM(III)x-xy-zSi1-x+xy+zN2-x-xyCxy:A??(2); M(II)1-x-zM(I)zM(III)x-xy-zSi1-x+xy+zN2-x-xyCxy:A??(3); M(II)1-x-zM(I)zM(III)x-xy-zSi1-x+xy+zN2-x-xy-2w/3CxyOw-v/2Hv:A??(4); and M(II)1-x-zM(I)zM(III)x-xy-zSi1-x+xy+zN2-x-xy-2w/3-v/3CxyOwHv:A??(4a), wherein 0<x<1, 0<y<1, 0?z<1, 0?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.Type: ApplicationFiled: July 19, 2010Publication date: November 17, 2011Inventors: Yuanqiang Li, Yongchi Tian, Michael Dennis Romanelli
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Patent number: 5749407Abstract: A folding garage door with specially shaped reinforcing struts fastened in a horizontal position to the rear of the door for strengthening the folding garage door against strong positive and negative wind pressures.Type: GrantFiled: March 18, 1997Date of Patent: May 12, 1998Assignees: Amarr Company, RBI, Inc.Inventors: Richard A. Brenner, Dennis Romanelli