Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-06-12
2007-06-12
Patel, Nitin (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S066000
Reexamination Certificate
active
11187789
ABSTRACT:
A plasma display device. A plasma display panel includes a plurality of address electrodes, a plurality of scan electrodes, and a plurality of sustain electrodes. A temperature detector detects a temperature of the plasma display panel. A controller outputs a scan electrode driving signal to control a reset waveform to be applied during reset periods of a first number of subfields when the detected temperature between a first temperature and a second temperature, and to control a reset waveform to be applied during reset periods of a second number of subfields when the detected temperature is lower than the first temperature and higher than the second temperature. The second number of subfields is greater than the first number of subfields. A scan electrode driver applies the appropriate reset waveform during a reset period of a subfield according to the scan electrode driving signal output from the controller.
REFERENCES:
patent: 5745086 (1998-04-01), Weber
patent: 7088312 (2006-08-01), Ishizuka et al.
patent: 2005/0035931 (2005-02-01), Yoo et al.
patent: 2005/0057449 (2005-03-01), Son
Christie Parker & Hale LLP
Patel Nitin
Samsung SDI & Co., Ltd.
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