Modulation Circuits (epo) Patents (Class 348/E5.094)
  • Patent number: 7561167
    Abstract: An image processing apparatus for controlling a display apparatus including a luminance modulation element and a color modulation element that are configured using different modulation elements, includes: a control value determination unit that determines, based on an input target color value, using a plurality of color conversion matrixes that describe a relationship between the target color value and a control value for the color modulation element for each control value for the luminance modulation element, the control value for the color modulation element; and a correction unit that non-linearly corrects the control value for the color modulation element according to a characteristic of the color modulation element.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: July 14, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Nitta, Junichi Nakamura, Shoichi Uchiyama, Tsunemori Asahi