Patents by Inventor Jeffrey Carl Britt

Jeffrey Carl Britt 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).

  • Patent number: 10439112
    Abstract: 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: Grant
    Filed: July 20, 2012
    Date of Patent: October 8, 2019
    Assignee: Cree, Inc.
    Inventors: Joseph G. Clark, Jeffrey Carl Britt, Amber C. Abare, Raymond Rosado, Harsh Sundani, David T. Emerson, Jeremy Scott Nevins
  • Patent number: 10256385
    Abstract: LED packages and related methods are provided. The LED packages can include a submount having a top and bottom surface and a plurality of top electrically conductive elements on the top surface of the submount. An LED can be disposed on one of the top electrically conductive elements. The LED can emit a dominant wavelength generally between approximately 600 nm and approximately 650 nm, and more particularly between approximately 610 nm and approximately 630 nm when an electrical signal is applied to the top electrically conductive elements. A bottom thermally conductive element can be provided on the bottom surface and is not in electrical contact with the top electrically conductive elements. A lens can be disposed over the LED. The LED packages can have improved lumen performances, lower thermal resistances, improved efficiencies, and longer operational lifetimes.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: April 9, 2019
    Assignee: Cree, Inc.
    Inventors: Jeffrey Carl Britt, Yankun Fu
  • Patent number: 10043960
    Abstract: Light emitting diode (LED) packages and methods are disclosed herein. In one aspect, a light emitting package is disclosed. The light emitting package includes one or more areas of conductive material having a thickness of less than approximately 50 microns (?m). The package can further include at least one light emitting diode (LED) electrically connected to the conductive material and at least one thin gap disposed between areas of conductive material.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: August 7, 2018
    Assignee: Cree, Inc.
    Inventors: Peter Scott Andrews, Jeffrey Carl Britt
  • Patent number: 9640737
    Abstract: Horizontal light emitting diodes include anode and cathode contacts on the same face and a transparent substrate having an oblique sidewall. A conformal phosphor layer having an average equivalent particle diameter d50 of at least about 10 ?m is provided on the oblique sidewall. High aspect ratio substrates may be provided. The LED may be directly attached to a submount.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: May 2, 2017
    Assignee: Cree, Inc.
    Inventors: Matthew Donofrio, John Adam Edmond, James Ibbetson, David Todd Emerson, Michael John Bergmann, Kevin Haberern, Raymond Rosado, Jeffrey Carl Britt
  • Patent number: 9515055
    Abstract: Solid state (e.g., LED) lighting devices include multiple emitters mounted on or over a substrate comprising insulating material with conductive traces thereon, with various emitters being independently controllable with multiple pairs of anodes and cathodes that may be arranged on an opposite surface of the substrate than the emitters. Electrically conductive vias may be defined through the insulating substrate, and a molded lens may be provided over the substrate and emitters mounted thereon. Various combinations of independently controllable emitters or emitter groups may be provided, for example, a red emitter in combination with multiple blue shifted yellow (BSY) emitters, or separately controllable red, green, blue, and white (e.g., BSY) emitters.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: December 6, 2016
    Assignee: Cree, Inc.
    Inventors: Jeffrey Carl Britt, Michael P. Laughner
  • Patent number: 9194567
    Abstract: High voltage array light emitting devices and fixtures are disclosed. In one embodiment a light emitting device can include a submount, a light emission area disposed over the submount and a retention material adapted to be dispensed about the light emission area. The light emitting device can be operable at high voltages which are greater than approximately 40 volts (V). In one aspect, the retention material can be least partially disposed within the light emission area such that the retention material physically separates a first section of the light emission area from a second section of the light emission area.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: November 24, 2015
    Assignee: Cree, Inc.
    Inventors: Christopher P. Hussell, Jesse Colin Reiherzer, Jeffrey Carl Britt, Praneet Athalye, Peter Scott Andrews
  • Patent number: 8877524
    Abstract: A method for fabricating light emitting diode (LED) chips comprising providing a plurality of LEDs, typically on a wafer, and coating the LEDs with a conversion material so that at least some light from the LEDs passes through the conversion material and is converted. The light emission from the LED chips comprises light from the conversion material, typically in combination with LED light. The emission characteristics of at least some of the LED chips is measured and at least some of the conversion material over the LEDs is removed to alter the emission characteristics of the LED chips. The invention is particularly applicable to fabricating LED chips on a wafer where the LED chips have light emission characteristics that are within a range of target emission characteristics. This target range can fall within an emission region on a CIE curve to reduce the need for binning of the LEDs from the wafer.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: November 4, 2014
    Assignee: Cree, Inc.
    Inventors: Ashay Chitnis, John Edmond, Jeffrey Carl Britt, Bernd P. Keller, David Todd Emerson, Michael John Bergmann, Jasper S. Cabalu
  • Publication number: 20140240974
    Abstract: High voltage array light emitting devices and fixtures are disclosed. In one embodiment a light emitting device can include a submount, a light emission area disposed over the submount and a retention material adapted to be dispensed about the light emission area. The light emitting device can be operable at high voltages which are greater than approximately 40 volts (V). In one aspect, the retention material can be least partially disposed within the light emission area such that the retention material physically separates a first section of the light emission area from a second section of the light emission area.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 28, 2014
    Applicant: Cree, Inc.
    Inventors: Christopher P. Hussell, Jesse Colin Reiherzer, Jeffrey Carl Britt, Praneet Athalye, Peter Scott Andrews
  • Publication number: 20140217434
    Abstract: Light emitting devices and methods such as light emitting diodes (LEDs) are disclosed for use in higher voltage applications. Variable arrangements of LEDs are disclosed herein. Arrangements can include one or more LED chips connected in series, parallel, and/or a combination thereof. LED chips can be disposed in a package body having at least one thermal element and one or more electrical components.
    Type: Application
    Filed: February 6, 2014
    Publication date: August 7, 2014
    Applicant: Cree, Inc.
    Inventors: Christopher P. Hussell, David T. Emerson, Jeffrey Carl Britt
  • Publication number: 20130322068
    Abstract: 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: Application
    Filed: July 20, 2012
    Publication date: December 5, 2013
    Applicant: CREE, Inc.
    Inventors: JOSEPH G. CLARK, JEFFREY CARL BRITT, AMBER C. ABARE, RAYMOND ROSADO, HARSH SUNDANI, DAVID T. EMERSON, JEREMY SCOTT NEVINS
  • Publication number: 20130301257
    Abstract: Solid state (e.g., LED) lighting devices include multiple emitters mounted on or over a substrate comprising insulating material with conductive traces thereon, with various emitters being independently controllable with multiple pairs of anodes and cathodes that may be arranged on an opposite surface of the substrate than the emitters. Electrically conductive vias may be defined through the insulating substrate, and a molded lens may be provided over the substrate and emitters mounted thereon. Various combinations of independently controllable emitters or emitter groups may be provided, for example, a red emitter in combination with multiple blue shifted yellow (BSY) emitters, or separately controllable red, green, blue, and white (e.g., BSY) emitters.
    Type: Application
    Filed: May 14, 2012
    Publication date: November 14, 2013
    Applicant: CREE, INC.
    Inventors: Jeffrey Carl Britt, Michael P. Laughner, Brandon Stanton
  • Publication number: 20130119417
    Abstract: Light emitting diode (LED) packages and methods are disclosed herein. In one aspect, a light emitting package is disclosed. The light emitting package includes one or more areas of conductive material having a thickness of less than approximately 50 microns (?m). The package can further include at least one light emitting diode (LED) electrically connected to the conductive material and at least one thin gap disposed between areas of conductive material.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 16, 2013
    Inventors: Peter Scott Andrews, Jeffrey Carl Britt
  • Publication number: 20120193660
    Abstract: Horizontal light emitting diodes include anode and cathode contacts on the same face and a transparent substrate having an oblique sidewall. A conformal phosphor layer having an average equivalent particle diameter d50 of at least about 10 ?m is provided on the oblique sidewall. High aspect ratio substrates may be provided. The LED may be directly attached to a submount.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 2, 2012
    Inventors: Matthew Donofrio, John Adam Edmond, James Ibbetson, David Todd Emerson, Michael John Bergmann, Kevin Haberern, Raymond Rosado, Jeffrey Carl Britt
  • Publication number: 20120187862
    Abstract: LED packages and related methods are provided. The LED packages can include a submount having a top and bottom surface and a plurality of top electrically conductive elements on the top surface of the submount. An LED can be disposed on one of the top electrically conductive elements. The LED can emit a dominant wavelength generally between approximately 600 nm and approximately 650 nm, and more particularly between approximately 610 nm and approximately 630 nm when an electrical signal is applied to the top electrically conductive elements. A bottom thermally conductive element can be provided on the bottom surface and is not in electrical contact with the top electrically conductive elements. A lens can be disposed over the LED. The LED packages can have improved lumen performances, lower thermal resistances, improved efficiencies, and longer operational lifetimes.
    Type: Application
    Filed: July 20, 2011
    Publication date: July 26, 2012
    Inventors: Jeffrey Carl Britt, Brandon Stanton, Yankun Fu
  • Publication number: 20090261358
    Abstract: A method for fabricating light emitting diode (LED) chips comprising providing a plurality of LEDs, typically on a wafer, and coating the LEDs with a conversion material so that at least some light from the LEDs passes through the conversion material and is converted. The light emission from the LED chips comprises light from the conversion material, typically in combination with LED light. The emission characteristics of at least some of the LED chips is measured and at least some of the conversion material over the LEDs is removed to alter the emission characteristics of the LED chips. The invention is particularly applicable to fabricating LED chips on a wafer where the LED chips have light emission characteristics that are within a range of target emission characteristics. This target range can fall within an emission region on a CIE curve to reduce the need for binning of the LEDs from the wafer.
    Type: Application
    Filed: March 30, 2009
    Publication date: October 22, 2009
    Inventors: ASHAY CHITNIS, JOHN EDMOND, JEFFREY CARL BRITT, BERND P. KELLER, DAVID TODD EMERSON, MICHAEL JOHN BERGMANN, JASPER S. CABALU
  • Patent number: 7393790
    Abstract: A method is disclosed for preparing carrier wafers for semiconductor device manufacture. The method includes the steps of sorting a plurality of standard carrier wafer blanks into batches by thickness to define a batch of starting carrier wafers that are within a predetermined tolerance of one another, reducing the thickness of the sorted carrier wafers to within 10 microns of a final target thickness, and polishing the sorted carrier wafers to the final target thickness. The polished carrier wafers are mounted to device precursor wafers having at least one semiconductor epitaxial layer on a substrate by joining one surface of a carrier wafer to the epitaxial layer on a substrate. The thickness of the device precursor wafer is then reduced by removing material from the device precursor substrate opposite the joined epitaxial layer.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: July 1, 2008
    Assignee: Cree, Inc.
    Inventors: Jeffrey Carl Britt, Michael Paul Laughner, Craig William Hardin
  • Patent number: D709464
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: July 22, 2014
    Assignee: Cree, Inc.
    Inventors: Amber C. Abare, Jeffrey Carl Britt, Joseph G. Clark, Raymond Rosado, Harsh Sundani
  • Patent number: D711841
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: August 26, 2014
    Assignee: Cree, Inc.
    Inventors: Jeffrey Carl Britt, Michael P. Laughner
  • Patent number: D712849
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: September 9, 2014
    Assignee: Cree, Inc.
    Inventors: Jeffrey Carl Britt, Michael P. Laughner, Brandon Stanton
  • Patent number: D713804
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: September 23, 2014
    Assignee: Cree, Inc.
    Inventors: Jeffrey Carl Britt, Michael P. Laughner, Brandon Stanton