Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-07-27
2010-06-15
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S060000, C345S061000, C345S062000, C345S055000
Reexamination Certificate
active
07737919
ABSTRACT:
A plasma display device and a driving method thereof are provided. An input grayscale value is converted according to a peak grayscale value of an input video signal of one frame. The number of on-subfields may be increased as a result of the grayscale conversion. Therefore, a total number of sustain discharge pulses applied during the one frame is reset in order to obtain the same brightness for the input and converted grayscale values.
REFERENCES:
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patent: 1 139 322 (2004-10-01), None
patent: 1 519 355 (2005-03-01), None
patent: EP 1 519 355 (2004-09-01), None
patent: 2003-177697 (2003-06-01), None
European Search Report dated Nov. 21, 2006, for 06117936.2 in the name of Samsung SDI Co., Ltd.
Patent Abstracts of Japan, Publication No. 2003-177697, dated Jun. 27, 2003, in the name of Takahiko Yamamuro.
Christie Parker & Hale LLP
Hjerpe Richard
Samsung SDI & Co., Ltd.
Shapiro Leonid
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