Patents by Inventor WeiHuanq Chen

WeiHuanq Chen 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).

  • Publication number: 20140168966
    Abstract: A zoom unit (1) of a light engine (5), comprising at least one lens (2), at least one first reflector (3) and at least one second reflector (4), other at least one lens (2) receives a collimated beam (LI) from a light source unit (6) of the light engine (5), the collimated beam (LI) being incident on the first reflector (3) after being converged by the lens (2), and being incident on the second reflector (4) after being reflected by the first reflector (3), to produce an output beam (L4) with its beam angle changed.
    Type: Application
    Filed: June 1, 2012
    Publication date: June 19, 2014
    Inventors: WeiHuanq Chen, Ai Ma, SiXiong Zeng, Haiqiang Zhong