Patents by Inventor Chien-Yan WANG

Chien-Yan WANG 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 with temperature compensation
    Patent number: 9913338
    Abstract: The present application provides a light-emitting device comprising a first light-emitting diode group; a second light-emitting diode group electrically connected to the first light-emitting diode group in parallel; and a temperature compensation element electrically connected to the second light-emitting diode group in series; and a first switch device connected between the second light-emitting diode group and the temperature compensation element.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: March 6, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Hsin-Mao Liu, Zong-Xi Chen, Min-Hsun Hsieh, Chien-Yan Wang
  • Light-Emitting Device with Temperature Compensation
    Publication number: 20130314001
    Abstract: The present application provides a light-emitting device comprising a first light-emitting diode group; a second light-emitting diode group electrically connected to the first light-emitting diode group in parallel; and a temperature compensation. element electrically connected to the second light-emitting diode group in series; and a first switch device connected between the second light-emitting diode group and the temperature compensation element.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: EPISTAR CORPORATION
    Inventors: Hsin-Mao LIU, Zong-Xi CHEN, Min-Hsun HSIEH, Chien-Yan WANG