Patents Assigned to Fujitsu Hitachi Plasma Display Co.
  • Display apparatus and method for displaying gradation levels
    Patent number: 6836263
    Abstract: A display and an image displaying method which ensure gradation expression by a sub field system limits display resolution information in predetermined sub fields, excluding a lower sub field, thereby shortening an address control period. Further, noise dots originated from error diffusion is made less noticeable dot by dot by independently controlling the least significant sub field. This limits the amount of resolution information of a displayed image and improves the general image quality.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: December 28, 2004
    Assignees: Hitachi, Ltd., Fujitsu Hitachi Plasma Display Co.
    Inventors: Kazutaka Naka, Masanori Takeuchi