Patents by Inventor David T. Emerson
David T. Emerson 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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Publication number: 20210290975Abstract: Illumination devices for impinging light on tissue, for example within a body cavity of a patient, to induce various biological effects are disclosed. Biological effects may include at least one of inactivating and/or inhibiting growth of one or more pathogens, upregulating a local immune response, increasing endogenous stores of nitric oxide, releasing nitric oxide from endogenous stores, and inducing an anti-inflammatory effect. Wavelengths of light are selected based on intended biological effects for one or more of targeted tissue types and targeted pathogens. Light treatments may provide multiple pathogenic biological effects, either with light of a single wavelength or with light having multiple wavelengths. Devices for light treatments are disclosed that provide light doses for inducing biological effects on various targeted pathogens and tissues with increased efficacy and reduced cytotoxicity.Type: ApplicationFiled: January 29, 2021Publication date: September 23, 2021Inventors: F. Neal Hunter, Antony Paul van de Ven, Nathan Stasko, David T. Emerson, Michael John Bergmann, Thomas Matthew Womble, Adam Cockrell, Rebecca McDonald
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Publication number: 20210138259Abstract: Methods and related devices for impinging light on tissue, for example within a body of a patient, to induce various biological effects are disclosed. Biological effects may include at least one of inactivating and/or inhibiting growth of one or more pathogens, upregulating a local immune response, stimulating enzymatic generation of nitric oxide to increase endogenous stores of nitric oxide, releasing nitric oxide from endogenous stores of nitric oxide, and inducing an anti-inflammatory effect. Wavelengths of light are selected based on intended biological effects for one or more of targeted tissue types and targeted pathogens. Light treatments may provide multiple pathogenic biological effects, either with light of a single wavelength or with light having multiple wavelengths. Devices and methods for light treatments are disclosed that provide light doses for inducing biological effects on various targeted pathogens and targeted tissues with increased efficacy and reduced cytotoxicity.Type: ApplicationFiled: January 13, 2021Publication date: May 13, 2021Inventors: Nathan Stasko, David T. Emerson, Adam Cockrell, F. Neal Hunter, Michael John Bergmann, Rebecca McDonald, Nicholas William Medendorp, JR., Gerald H. Negley, Katelyn P. Reighard
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Publication number: 20210128936Abstract: Methods and related devices for impinging light on tissue, for example within a body of a patient, to induce various biological effects are disclosed. Biological effects may include at least one of inactivating and/or inhibiting growth of one or more pathogens, upregulating a local immune response, stimulating enzymatic generation of nitric oxide to increase endogenous stores of nitric oxide, releasing nitric oxide from endogenous stores of nitric oxide, and inducing an anti-inflammatory effect. Wavelengths of light are selected based on intended biological effects for one or more of targeted tissue types and targeted pathogens. Light treatments may provide multiple pathogenic biological effects, either with light of a single wavelength or with light having multiple wavelengths. Devices and methods for light treatments are disclosed that provide light doses for inducing biological effects on various targeted pathogens and targeted tissues with increased efficacy and reduced cytotoxicity.Type: ApplicationFiled: January 13, 2021Publication date: May 6, 2021Inventors: Nathan Stasko, David T. Emerson, Adam Cockrell, F. Neal Hunter, Michael John Bergmann, Rebecca McDonald, Nicholas William Medendorp, JR., Gerald H. Negley, Katelyn P. Reighard
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Publication number: 20210128935Abstract: Methods and related devices for impinging light on tissue, for example within a body of a patient, to induce various biological effects are disclosed. Biological effects may include at least one of inactivating and/or inhibiting growth of one or more pathogens, upregulating a local immune response, stimulating enzymatic generation of nitric oxide to increase endogenous stores of nitric oxide, releasing nitric oxide from endogenous stores of nitric oxide, and inducing an anti-inflammatory effect. Wavelengths of light are selected based on intended biological effects for one or more of targeted tissue types and targeted pathogens. Light treatments may provide multiple pathogenic biological effects, either with light of a single wavelength or with light having multiple wavelengths. Devices and methods for light treatments are disclosed that provide light doses for inducing biological effects on various targeted pathogens and targeted tissues with increased efficacy and reduced cytotoxicity.Type: ApplicationFiled: December 10, 2020Publication date: May 6, 2021Inventors: Nathan Stasko, David T. Emerson, Adam Cockrell, F. Neal Hunter, Michael John Bergmann, Rebecca McDonald, Nicholas William Medendorp, JR., Gerald H. Negley, Katelyn P. Reighard
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Publication number: 20210128937Abstract: Methods and related devices for impinging light on tissue, for example within a body of a patient, to induce various biological effects are disclosed. Biological effects may include at least one of inactivating and/or inhibiting growth of one or more pathogens, upregulating a local immune response, stimulating enzymatic generation of nitric oxide to increase endogenous stores of nitric oxide, releasing nitric oxide from endogenous stores of nitric oxide, and inducing an anti-inflammatory effect. Wavelengths of light are selected based on intended biological effects for one or more of targeted tissue types and targeted pathogens. Light treatments may provide multiple pathogenic biological effects, either with light of a single wavelength or with light having multiple wavelengths. Devices and methods for light treatments are disclosed that provide light doses for inducing biological effects on various targeted pathogens and targeted tissues with increased efficacy and reduced cytotoxicity.Type: ApplicationFiled: January 13, 2021Publication date: May 6, 2021Inventors: Nathan Stasko, David T. Emerson, Adam Cockrell, F. Neal Hunter, Michael John Bergmann, Rebecca McDonald, Nicholas William Medendorp, JR., Gerald H. Negley, Katelyn P. Reighard
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Publication number: 20210128938Abstract: Methods and related devices for impinging light on tissue, for example within a body of a patient, to induce various biological effects are disclosed. Biological effects may include at least one of inactivating and/or inhibiting growth of one or more pathogens, upregulating a local immune response, stimulating enzymatic generation of nitric oxide to increase endogenous stores of nitric oxide, releasing nitric oxide from endogenous stores of nitric oxide, and inducing an anti-inflammatory effect. Wavelengths of light are selected based on intended biological effects for one or more of targeted tissue types and targeted pathogens. Light treatments may provide multiple pathogenic biological effects, either with light of a single wavelength or with light having multiple wavelengths. Devices and methods for light treatments are disclosed that provide light doses for inducing biological effects on various targeted pathogens and targeted tissues with increased efficacy and reduced cytotoxicity.Type: ApplicationFiled: January 13, 2021Publication date: May 6, 2021Inventors: Nathan Stasko, David T. Emerson, Adam Cockrell, F. Neal Hunter, Michael John Bergmann, Rebecca McDonald, Nicholas William Medendorp, JR., Gerald H. Negley, Katelyn P. Reighard
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Publication number: 20200362237Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.Type: ApplicationFiled: July 31, 2020Publication date: November 19, 2020Applicant: Cree, Inc.Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
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Patent number: 10767111Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.Type: GrantFiled: March 8, 2019Date of Patent: September 8, 2020Assignee: CREE, INC.Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
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Patent number: 10439112Abstract: Light emitter packages, systems, and methods having improved performance are disclosed. In one aspect, a light emitter package can include a submount that can include an anode and a cathode. A light emitter chip can be disposed over the submount such that the light emitter chip is mounted over at least a portion of the cathode and wirebonded to at least a portion of the anode.Type: GrantFiled: July 20, 2012Date of Patent: October 8, 2019Assignee: Cree, Inc.Inventors: Joseph G. Clark, Jeffrey Carl Britt, Amber C. Abare, Raymond Rosado, Harsh Sundani, David T. Emerson, Jeremy Scott Nevins
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Publication number: 20190203117Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.Type: ApplicationFiled: March 8, 2019Publication date: July 4, 2019Applicant: Cree, Inc.Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
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Patent number: 10266767Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.Type: GrantFiled: August 11, 2016Date of Patent: April 23, 2019Assignee: Cree, Inc.Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
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Patent number: 10008637Abstract: Light emitter devices and methods with reduced dimensions and improved light output are provided. In one embodiment, a light emitter device includes a submount having an area of approximately 6 square millimeters (mm2) or less. The device can further include a light emitting chip on the submount and a lens disposed over the light emitting chip and positioned on the submount. The device can be operable for emitting light at approximately 100 lumens or higher.Type: GrantFiled: December 6, 2011Date of Patent: June 26, 2018Assignee: Cree, Inc.Inventors: Jeffrey C. Britt, David T. Emerson, Raymond Rosado, Justin Lydon
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Patent number: 9905731Abstract: A light emitting diode is disclosed that includes a silicon carbide substrate and a light emitting structure formed from the Group III nitride material system on the substrate. The diode has an area greater than 100,000 square microns and has a radiant flux at 20 milliamps current of at least 29 milliwatts at its dominant wavelength between 390 and 540 nanometers.Type: GrantFiled: June 8, 2010Date of Patent: February 27, 2018Assignee: Cree, Inc.Inventors: John Adam Edmond, Michael J. Bergmann, David T. Emerson, Kevin Ward Haberern
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Patent number: 9786811Abstract: The present disclosure is directed to LED components, and systems using such components, having a light emission profile that may be controlled independently of the lens shape by varying the position and/or orientation of LED chips with respect to one or both of an overlying lens and the surface of the component. For example, the optical centers of the LED emitting surface and the lens, which are normally aligned, may be offset from each other to generate a controlled and predictable emission profile. The LED chips may be positioned to provide a peak emission shifted from a perpendicular centerline of the lens base. The use of offset emitters allows for LED components with shifted or tilted emission patterns, without causing output at high angles of the components. This is beneficial as it allows a lighting system to have tilted emission from the LED component and primary optics.Type: GrantFiled: March 15, 2013Date of Patent: October 10, 2017Assignee: CREE, INC.Inventors: Fabian Rol, Eric Tarsa, Bernd Keller, Theodore D. Lowes, David T. Emerson
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Patent number: 9627361Abstract: Multiple configuration light emitting diode (LED) devices and methods are disclosed wherein LEDs within the device can be selectively configured for use in higher voltage, or variable voltage, applications. Variable arrangements of LEDs can be configured. Arrangements can include one or more LEDs connected in series, parallel, and/or a combination thereof. A surface over which one or more LEDs may be mounted can comprise one or more electrically and/or thermally isolated portions.Type: GrantFiled: January 31, 2011Date of Patent: April 18, 2017Assignee: Cree, Inc.Inventors: Peter S. Andrews, Raymond Rosado, Michael P. Laughner, David T. Emerson, Jeffrey C. Britt
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Publication number: 20160348000Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.Type: ApplicationFiled: August 11, 2016Publication date: December 1, 2016Applicant: Cree, Inc.Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
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Patent number: 9428688Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.Type: GrantFiled: November 17, 2008Date of Patent: August 30, 2016Assignee: Cree, Inc.Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
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Patent number: 9349929Abstract: Light emitter packages, systems, and methods having improved performance are disclosed. In one aspect, a light emitter package can include a submount that can include an anode and a cathode. A first light emitter chip can mounted over at least a portion of the cathode, and a second light emitter chip can be wirebonded to at least a portion of the anode. Multiple light emitter chips can be disposed between the first and second light emitter chips.Type: GrantFiled: December 13, 2012Date of Patent: May 24, 2016Assignee: Cree, Inc.Inventors: Joseph G. Clark, Amber C. Abare, David T. Emerson, Jeremy S. Nevins, Raymond Rosado, Michael Bergmann
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Patent number: 9209354Abstract: Light emitting devices for light emitting diodes (LEDs) are disclosed. In one embodiment a light emitting device can include a substrate and a plurality of light emitting diodes (LEDs) disposed over the substrate in patterned arrays. The arrays can include one or more patterns of LEDs. A light emitting device can further include a retention material disposed about the array of LEDs. In one aspect, the retention material can be dispensed.Type: GrantFiled: January 6, 2014Date of Patent: December 8, 2015Assignee: Cree, Inc.Inventors: Christopher P. Hussell, Peter Scott Andrews, Jesse Colin Reiherzer, David T. Emerson
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Patent number: D749051Type: GrantFiled: December 13, 2012Date of Patent: February 9, 2016Assignee: Cree, Inc.Inventors: Joseph G Clark, Amber C Abare, David T Emerson, Jeremy S Nevins, Raymond Rosado