Patents by Inventor Changda Zheng

Changda Zheng 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).

  • InGaAIN light-emitting device containing carbon-based substrate and method for making the same
    Patent number: 7741632
    Abstract: One embodiment of the present invention provides an InGaAlN-based semiconductor light-emitting device which comprises an InGaAlN-based semiconductor multilayer structure and a carbon-based substrate which supports InGaAlN-based semiconductor multilayer structure, wherein the carbon-based substrate comprises at least one carbon-based layer. This carbon-based substrate has both high thermal conductivity and low electrical resistivity.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: June 22, 2010
    Assignee: Lattice Power (Jiangxi) Corporation
    Inventors: Chuanbing Xiong, Fengyi Jiang, Li Wang, Yingwen Tang, Changda Zheng, Junlin Liu, Weihua Liu, Guping Wang
  • InGaAlN LIGHT-EMITTING DEVICE CONTAINING CARBON-BASED SUBSTRATE AND METHOD FOR MAKING THE SAME
    Publication number: 20080265265
    Abstract: One embodiment of the present invention provides an InGaAlN-based semiconductor light-emitting device which comprises an InGaAlN-based semiconductor multilayer structure and a carbon-based substrate which supports InGaAlN-based semiconductor multilayer structure, wherein the carbon-based substrate comprises at least one carbon-based layer. This carbon-based substrate has both high thermal conductivity and low electrical resistivity.
    Type: Application
    Filed: July 16, 2007
    Publication date: October 30, 2008
    Applicant: LATTICE POWER (JIANGXI) CORPORATION
    Inventors: Chuanbing Xiong, Fengyi Jiang, Li Wang, Yingwen Tang, Changda Zheng, Junlin Liu, Weihua Liu, Guping Wang