Patents by Inventor Min-Hsun Liu

Min-Hsun Liu 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 for manufacturing high efficiency light-emitting diodes
    Patent number: 8043878
    Abstract: A method for manufacturing a light-emitting device comprising the steps of cutting a light-emitting unit by a laser beam, and cleaning the light-emitting unit by an acid solution to remove by-products resulted from the laser cutting.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: October 25, 2011
    Assignee: Epistar Corporation
    Inventors: Ta-Cheng Hsu, Jung-Min Hwang, Min-Hsun Liu, Ya-Lan Yang, De-Shan Kuo, Tsun-Kai Ko, Chien-Fu Shen, Ting-Chia Ko, Schang-Jing Hon