Patents by Inventor Huey-Fen Liu

Huey-Fen 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).

  • Patent number: 6147367
    Abstract: An LED package assembly comprising two or more light emitting diode dies within an epoxy housing such that a wider light emitting angle with a higher light intensity everywhere around the package including its bottom part is obtained. The LED package can be a substitute for bulb illumination or serving some decorative functions. Furthermore, the LED has low power consumption, a tough body and a long working life. Moreover, a cluster of these LEDs in a large display screen is capable of enhancing clarity of vision and the range of observation from a few meters to a few kilometers away.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: November 14, 2000
    Assignee: Industrial Technology Research Institute
    Inventors: Hung-Pin Yang, Rong-Yih Hwang, Jung-Tsung Hsu, Huey-Fen Liu