Patents by Inventor Gidoo Lee

Gidoo Lee 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).

  • Image sensor, test system and test method for the same
    Publication number: 20090140127
    Abstract: In one embodiment, the CMOS image sensor includes a plurality of pixels, and the plurality of pixels include active pixels and optical black pixels. At least one bias input structure is configured to receive a bias voltage and only supply the bias voltage to one or more of the optical black pixels. An output circuit is configured to generate an output signal based on output from the plurality of pixels.
    Type: Application
    Filed: January 22, 2009
    Publication date: June 4, 2009
    Inventors: Gidoo Lee, SeungJoon Cha
  • Image sensor, test system and test method for the same
    Publication number: 20070138375
    Abstract: In one embodiment, the CMOS image sensor includes a plurality of pixels, and the plurality of pixels include active pixels and optical black pixels. At least one bias input structure is configured to receive a bias voltage and only supply the bias voltage to one or more of the optical black pixels. An output circuit is configured to generate an output signal based on output from the plurality of pixels.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 21, 2007
    Inventors: Gidoo Lee, SeungJoon Cha