Patents by Inventor Shunfeng Li

Shunfeng Li 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).

  • Method of manufacturing of a semi-conductor element and semi-conductor element
    Patent number: 8703587
    Abstract: A method of manufacturing of a semi-conductor element, comprising the following steps: providing a substrate, the substrate having a surface, the surface being partially coated with a coating and having at least one uncoated area, and growing a truncated pyramid of gallium nitride on the uncoated area, wherein the method comprises the following step: growing at least one gallium nitride column on the truncated pyramid.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: April 22, 2014
    Assignee: Technische Universitaet Braunschweig Carolo-Wilhelmina
    Inventors: Andreas Waag, Xue Wang, Shunfeng Li
  • METHOD OF MANUFACTURING OF A SEMI-CONDUCTOR ELEMENT AND SEMI-CONDUCTOR ELEMENT
    Publication number: 20130015426
    Abstract: A method of manufacturing of a semi-conductor element, comprising the following steps: providing a substrate, the substrate having a surface, the surface being partially coated with a coating and having at least one uncoated area, and growing a truncated pyramid of gallium nitride on the uncoated area, wherein the method comprises the following step: growing at least one gallium nitride column on the truncated pyramid.
    Type: Application
    Filed: July 13, 2012
    Publication date: January 17, 2013
    Applicant: Technische Universität Braunschweig Carolo-Wilhelmina
    Inventors: Andreas Waag, Xue Wang, Shunfeng Li