Patents by Inventor Shih-Chiang Yeh

Shih-Chiang 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).

  • Optoelectronic semiconductor device
    Patent number: 8692280
    Abstract: An optoelectronic semiconductor device including: a substrate; a semiconductor system having an active layer formed on the substrate; and an electrode structure formed on the semiconductor system, wherein the electrode structure includes: a first conductivity type bonding pad; a second conductivity type bonding pad; a first conductivity type extension electrode; and a second conductivity type extension electrode, wherein the first conductivity type extension electrode and the second conductivity type extension electrode form a three-dimensional crossover; wherein the first conductivity type extension electrode and the second conductivity type extension electrode are on the opposite sides of the active layer.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: April 8, 2014
    Assignee: Epistar Corporation
    Inventors: Chien-Yuan Wang, Shih-Chiang Yeh
  • OPTOELECTRONIC SEMICONDUCTOR DEVICE
    Publication number: 20120032198
    Abstract: An optoelectronic semiconductor device including: a substrate; a semiconductor system having an active layer formed on the substrate; and an electrode structure formed on the semiconductor system, wherein the electrode structure includes: a first conductivity type bonding pad; a second conductivity type bonding pad; a first conductivity type extension electrode; and a second conductivity type extension electrode, wherein the first conductivity type extension electrode and the second conductivity type extension electrode form a three-dimensional crossover; wherein the first conductivity type extension electrode and the second conductivity type extension electrode are on the opposite sides of the active layer.
    Type: Application
    Filed: August 11, 2011
    Publication date: February 9, 2012
    Inventors: Shi-Liang YEH, Chien-Yuan Wang, Shih-Chiang Yeh