Patents by Inventor Zhihua JIAN

Zhihua JIAN 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).

  • LED emergency lighting
    Patent number: 10418847
    Abstract: A driver for a lighting device includes: a lighting driver configured to drive LED(s) of the lighting device in a first mode of operation when a primary power source is available and provided to the lighting driver and to control power output and/or final output current utilizing a backup or other secondary power source during an emergency mode of operation. In example embodiments and implementations, the lighting driver includes a single instance of a LED driver (e.g., only one LED driver circuit) configured to drive LED(s) of the lighting device during both modes of operation.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: September 17, 2019
    Assignee: FULHAM COMPANY LIMITED
    Inventors: Shiyu Liu, Alvaro Garcia, Zhihua Jian, Duoping Wang
  • LED Emergency Lighting
    Publication number: 20170051886
    Abstract: A driver for a lighting device includes: a lighting driver configured to drive LED(s) of the lighting device in a first mode of operation when a primary power source is available and provided to the lighting driver and to control power output and/or final output current utilizing a backup or other secondary power source during an emergency mode of operation. In example embodiments and implementations, the lighting driver includes a single instance of a LED driver (e.g., only one LED driver circuit) configured to drive LED(s) of the lighting device during both modes of operation.
    Type: Application
    Filed: May 3, 2016
    Publication date: February 23, 2017
    Inventors: Shiyu LIU, Alvaro Garcia, Zhihua JIAN, Duoping WANG