Patents by Inventor Wu-Chieh Liu

Wu-Chieh Liu 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).

  • Color filter arrays and image sensors using the same
    Publication number: 20090027527
    Abstract: Color filter arrays (CFA) and image sensors using same are provided. A color filter array includes a two-dimensional array including a plurality of first color filters, a plurality of second color filters, and a plurality of third color filters, wherein the first, second and third color filters are periodically arranged, and at least the first, second and third color filters formed in a first region of the two-dimensional array and the first, second and third color filters formed in a second region of the two-dimensional array are symmetrically mirrored.
    Type: Application
    Filed: July 23, 2007
    Publication date: January 29, 2009
    Inventors: Chin-Poh Pang, Wu-Chieh Liu
  • Imaging sensor having microlenses of different radii of curvature
    Publication number: 20080011936
    Abstract: The present invention provides an image sensor which comprises improved microlenses to cope with different optical requirements for oblique incident light or different components of light. In one embodiment, the image sensor comprises at least two microlenses having different radii of curvature. In another embodiment, the image sensor comprises at least one asymmetrical microlens.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 17, 2008
    Inventors: Chin-Chen Kuo, Wu-Chieh Liu, Hsiao-Wen Lee, Bii-Cheng Chang