Patents by Inventor Yu-Ming KUNG

Yu-Ming KUNG 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).

  • Light-emitting device and manufacturing method thereof
    Patent number: 10014445
    Abstract: A manufacturing method of a light-emitting device is disclosed. The method includes: providing a semiconductor wafer, including a substrate having a first surface and a second surface opposite to the first surface; and a semiconductor stack on the first surface; removing a portion of the semiconductor stack to form an exposed region; forming a first reflective structure on the exposed region; and providing a radiation on the second surface corresponding to a position of the first reflective structure.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: July 3, 2018
    Assignee: EPISTAR Corporation
    Inventors: Jar-Yu Wu, Chun-Lung Tseng, Ching-Hsing Shen, Wei-Ting Cheng, Jui-Fen Chien, Yu-Ming Kung, Chiao-Yao Cheng
  • LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20170200866
    Abstract: A manufacturing method of a light-emitting device is disclosed. The method includes: providing a semiconductor wafer, including a substrate having a first surface and a second surface opposite to the first surface; and a semiconductor stack on the first surface; removing a portion of the semiconductor stack to form an exposed region; forming a first reflective structure on the exposed region; and providing a radiation on the second surface corresponding to a position of the first reflective structure.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 13, 2017
    Inventors: Jar-Yu WU, Chun-Lung TSENG, Ching-Hsing SHEN, Wei-Ting CHENG, Jui-Fen CHIEN, Yu-Ming KUNG, Chiao-Yao CHENG