Patents by Inventor Le-Sheng Yeh

Le-Sheng Yeh 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).

  • Submount for light emitting diode and method for fabricating the same
    Patent number: 8664022
    Abstract: A submount for a light emitting diode and a method for fabricating the same are provided. The method includes the following steps: (a) providing a silicon substrate; (b) forming a mask layer on the silicon substrate to expose a part of the silicon substrate; (c) forming a first silicon oxide layer in the part of the silicon substrate which is exposed; and (d) removing the mask layer and the first silicon oxide layer, so as to form a recess in the silicon substrate.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: March 4, 2014
    Assignee: Episil Technologies Inc.
    Inventors: Le-Sheng Yeh, Cheng-I Chien
  • SUBMOUNT FOR LIGHT EMITTING DIODE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20130126923
    Abstract: A submount for a light emitting diode and a method for fabricating the same are provided. The method includes the following steps: (a) providing a silicon substrate; (b) forming a mask layer on the silicon substrate to expose a part of the silicon substrate; (c) forming a first silicon oxide layer in the part of the silicon substrate which is exposed; and (d) removing the mask layer and the first silicon oxide layer, so as to form a recess in the silicon substrate.
    Type: Application
    Filed: March 5, 2012
    Publication date: May 23, 2013
    Applicant: EPISIL TECHNOLOGIES INC.
    Inventors: Le-Sheng Yeh, Cheng-I Chien