Patents Assigned to UPD Corporation
  • Patent number: 6724357
    Abstract: There is provided an apparatus and a method for driving a surface discharge PDP in which a driving voltage supply frame for displaying an image is constructed of N sub-fields, and each sub-field is composed of an erasing period, an addressing period and a sustaining period, the sustaining period alternately providing a predetermined sustaining pulse to first and second electrodes constructing the display panel.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: April 20, 2004
    Assignee: UPD Corporation
    Inventors: Bong Chool Kim, Gyun Chae
  • Publication number: 20020126069
    Abstract: There is provided a method for driving an AC surface discharge PDP which includes a plurality of scan electrodes driven, being divided into upper and lower groups, a plurality of sustain electrodes respectively corresponding to the scan electrodes and being arranged on the same plane in parallel with the scan electrodes and a plurality of first and second address electrodes being divided into upper and lower parts and intersecting the scan electrodes and the sustain electrodes having predetermined spaces therebetween, the PDP having a discharge cell formed at an intersection where the scan electrodes and sustain electrodes intersect the first and second address electrodes.
    Type: Application
    Filed: January 9, 2002
    Publication date: September 12, 2002
    Applicant: UPD Corporation
    Inventors: Bong Chool Kim, Beom Gu Kang, Gyun Chae
  • Publication number: 20020093470
    Abstract: There is provided an apparatus and a method for driving a surface discharge PDP in which a driving voltage supply frame for displaying an image is constructed of N sub-fields, and each sub-field is composed of an erasing period, an addressing period and a sustaining period, the sustaining period alternately providing a predetermined sustaining pulse to first and second electrodes constructing the display panel.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 18, 2002
    Applicant: UPD Corporation
    Inventors: Bong Chool Kim, Gyun Chae
  • Patent number: D453504
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: February 12, 2002
    Assignee: UPD Corporation
    Inventors: Tae Geun Bong, Young Min Cho, Sun Woo Park
  • Patent number: D457864
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: May 28, 2002
    Assignee: UPD Corporation
    Inventors: Tae Geun Bong, Young Min Cho, Sun Woo Park
  • Patent number: D458236
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: June 4, 2002
    Assignee: UPD Corporation
    Inventors: Tae Geun Bong, Young Min Cho, Sun Woo Park
  • Patent number: D467232
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: December 17, 2002
    Assignee: UPD Corporation
    Inventors: Tae G. Bong, Young M. Cho, Sun W. Park
  • Patent number: D471034
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: March 4, 2003
    Assignee: UPD Corporation
    Inventors: Tae Geun Bong, Young Min Cho, Sun Woo Park