Patents by Inventor Calvin W. Sheen

Calvin W. Sheen 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).

  • Formation of uniform phosphor regions for broad-area lighting systems
    Patent number: 10355176
    Abstract: In accordance with certain embodiments, phosphor arrangements are formed via adhering phosphors to activated regions on a substrate and transferring them to a different substrate.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: July 16, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Michael A. Tischler, Calvin W. Sheen
  • FORMATION OF UNIFORM PHOSPHOR REGIONS FOR BROAD-AREA LIGHTING SYSTEMS
    Publication number: 20160240749
    Abstract: In accordance with certain embodiments, phosphor arrangements are formed via adhering phosphors to activated regions on a substrate and transferring them to a different substrate.
    Type: Application
    Filed: April 27, 2016
    Publication date: August 18, 2016
    Inventors: Michael A. Tischler, Calvin W. Sheen
  • FORMATION OF PHOSPHOR REGIONS FOR BROAD-AREA LIGHTING SYSTEMS
    Publication number: 20150000120
    Abstract: In accordance with certain embodiments, phosphor arrangements are formed via adhering phosphors to activated regions on a substrate and transferring them to a different substrate.
    Type: Application
    Filed: August 7, 2014
    Publication date: January 1, 2015
    Inventors: Michael A. Tischler, Calvin W. Sheen
  • Formation of uniform phosphor regions for broad-area lighting systems
    Patent number: 8828759
    Abstract: In accordance with certain embodiments, phosphor arrangements are formed via adhering phosphors to activated regions on a substrate and transferring them to a different substrate.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: September 9, 2014
    Assignee: Cooledge Lighting Inc.
    Inventors: Michael A. Tischler, Calvin W. Sheen
  • Engineered Substrate for Light Emitting Diodes
    Publication number: 20120037925
    Abstract: A diode substrate including a crystalline aluminum oxide window, a silicon oxide layer on the crystalline aluminum oxide window, and a silicon layer on the silicon oxide layer, the silicon layer being implanted with ions at a predetermined depth.
    Type: Application
    Filed: August 4, 2011
    Publication date: February 16, 2012
    Inventor: Calvin W. Sheen