Patents by Inventor Jonathan Yu Zhang

Jonathan Yu Zhang 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 lighting device having improved cooling characteristics
    Patent number: 7909481
    Abstract: An LED light bulb includes a base member and one or more light emitting diodes mounted on the base member and in thermal communication with the base member. The one or more light emitting diodes are configured to emit light. A top-mount member is in thermal communication with the base member. The top-mount member includes a reflective surface configured to reflect the light emitted by the one or more light emitting diodes in predetermined directions. The top-mount member includes one or more cooling members configured to dissipate heat generated by the one or more light emitting diodes to the ambient environment.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: March 22, 2011
    Assignee: IMG Lighting, Inc.
    Inventors: Jonathan Yu Zhang, Justin Derek Ouyang