Patents by Inventor David Yaunien Chung

David Yaunien Chung 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).

  • Vertically structured LED array light source
    Patent number: 7994524
    Abstract: A vertical structured Light Emitting Diode (LED) array using wafer level bonding. The process bonds two or more LED arrays vertically to produce light mixing in a small footprint. The vertically bonded LED array contains through substrate vias and a plurality of metal posts coated with solder to form an internal cavity between the LED layers. This LED array structure is intrinsically hermetically sealed.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: August 9, 2011
    Inventors: David Yaunien Chung, Thomas Taoming Chung