Patents by Inventor Chiu-Shuang Ko

Chiu-Shuang Ko 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: 8277109
    Abstract: A LED lighting device includes a cooling lampstand, a circuit, at least one light emitting diode (LED), a sealant and a power converter. The cooling lampstand is made by a resin composition in which the thermal conductivity of the resin composition is about 1-50 W/mk. The circuit directly is disposed on the cooling lampstand. The light emitting diode (LED) is disposed on the cooling lampstand and electrically connected to the circuit. The sealant covers the LED. The power converter is electrically connected to the circuit for supplying an electrical power to the circuit.
    Type: Grant
    Filed: June 6, 2009
    Date of Patent: October 2, 2012
    Assignee: LEDRAY Technology Co., Ltd.
    Inventor: Chiu-Shuang Ko
  • Publication number: 20090303719
    Abstract: A lighting device is provided. The lighting device has a cooling lampstand made out of one piece by a resin composition. The circuit and at least one light emitting diode (LED) are directly disposed on the cooling lampstand.
    Type: Application
    Filed: June 6, 2009
    Publication date: December 10, 2009
    Applicant: LEDRAY TECH.CO.,LTD
    Inventor: Chiu-Shuang Ko