Patents by Inventor Hui Teng TSAI

Hui Teng TSAI 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: 9101020
    Abstract: An LED driver having one end coupled with an LED module and another end coupled to a ground, being capable of generating a duty current and a duty in response to a dropout voltage across the LED driver in a way that, the duty current will increase and the duty will decrease when the dropout voltage exceeds a first threshold, and the duty current will decrease and the duty will increase when the dropout voltage falls below a second threshold.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: August 4, 2015
    Assignee: LUXMILL ELECTRONIC CO., LTD.
    Inventors: Shih Yu Wang, Hui Teng Tsai, Mao Feng Lan, Tien Pao Lee
  • Publication number: 20150015159
    Abstract: An LED driver having one end coupled with an LED module and another end coupled to a ground, being capable of generating a duty current and a duty in response to a dropout voltage across the LED driver in a way that, the duty current will increase and the duty will decrease when the dropout voltage exceeds a first threshold, and the duty current will decrease and the duty will increase when the dropout voltage falls below a second threshold.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 15, 2015
    Inventors: Shih Yu WANG, Hui Teng TSAI, Mao Feng LAN, Tien Pao LEE