Patents by Inventor Chia-Song YEN

Chia-Song YEN 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).

  • Optical element and illuminant device using the same
    Patent number: 8523407
    Abstract: An optical element is assembled to a light emitting diode (LED) to form an illuminative light source. The optical element includes a transparent main body having a light guiding pillar and an extending part. The light guiding pillar has a top surface and a bottom surface having a recess. The extending part is extended from the circumference of the top surface and an end of the extending part has at least a light-emitting surface. Wherein the LED is disposed on the recess and emits light to the optical element. The extending part guides the light and enlarges the light-emitting angle.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: September 3, 2013
    Assignee: Chun Kuang Optics Corp.
    Inventors: Hsin-Chieh Huang, Chia-Song Yen, Shun-Wen Teng
  • OPTICAL ELEMENT AND ILLUMINANT DEVICE USING THE SAME
    Publication number: 20130063962
    Abstract: An optical element is assembled to a light emitting diode (LED) to form an illuminative light source. The optical element includes a transparent main body having a light guiding pillar and an extending part. The light guiding pillar has a top surface and a bottom surface having a recess. The extending part is extended from the circumference of the top surface and an end of the extending part has at least a light-emitting surface. Wherein the LED is disposed on the recess and emits light to the optical element. The extending part guides the light and enlarges the light-emitting angle.
    Type: Application
    Filed: September 13, 2011
    Publication date: March 14, 2013
    Inventors: Hsin-Chieh HUANG, Chia-Song YEN, Shun-Wen TENG