Patents by Inventor YunZhang Chen

YunZhang 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).

  • Light guide plate and surface light source device
    Publication number: 20040105249
    Abstract: A light guide plate (2) into which light beams are introduced from a light source (41) includes an incident surface (20) receiving the light beams from the light source; a light emitting surface (22) transmitting light beams outwardly; a bottom surface (21) opposite the light emitting surface for reflecting the light beams to the light emitting surface; and a plurality of sidewalls (24, 26, 28) perpendicular to the light emitting surface. The sidewalls have frosted surfaces for reflecting the light beams to assure output of the light beams through the light emitting surface.
    Type: Application
    Filed: September 2, 2003
    Publication date: June 3, 2004
    Inventors: Tai-Cheng Yu, Ching Yen Lee, YunZhang Chen, Charles Leu, Ga-Lane Chen