Patents by Inventor Young-Heon Han

Young-Heon Han 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).

  • Semiconductor light emitting diode and method for manufacturing the same
    Publication number: 20050104081
    Abstract: Provided is a light emitting diode including a base substrate having a via hole, a buffer layer having a via hole which is partially overlapped with the via hole of the base substrate, a first conductive contact layer formed on the buffer layer, a first clad layer formed on the second conductive contact layer, a light emitting layer formed on the first clad layer, a second clad layer formed on the light emitting layer, a second conductive contact layer formed on the second conductive clad layer, a first electrode formed on the second conductive contact layer, and a second electrode connected with the first conductive contact layer through the via hole.
    Type: Application
    Filed: June 1, 2004
    Publication date: May 19, 2005
    Inventors: Seong-Jin Kim, Yong-Seok Choi, Chang-Yen Kim, Young-Heon Han, Soon-Jae Yu