Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2008-04-22
2008-04-22
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S099000
Reexamination Certificate
active
10979119
ABSTRACT:
A look-up table stores a plurality of polarity pattern tables for setting the polarities of pixel voltages of pixel formation portions on a display screen. The plurality of polarity pattern tables are set such that when each of the polarity pattern tables is selected once, the number of positive polarities appearing at each of the pixel formation portions is the same as the number of negative polarities. The polarity instruction signal generation circuit selects one of the polarity pattern tables based on a random number that is outputted from a random number generation circuit, and outputs a polarity instruction signal based on the selected polarity pattern table. Then, the video signal line driving circuit outputs video signals such that a voltage with a polarity in accordance with the polarity instruction signal is applied to each of the pixel formation portions.
REFERENCES:
patent: 7109964 (2006-09-01), Pai
patent: 7142203 (2006-11-01), Hiroki et al.
patent: 2002/0089485 (2002-07-01), Youn
patent: 2004/0070581 (2004-04-01), Hiraki et al.
patent: 63-74036 (1998-04-01), None
patent: 2002-149117 (2002-05-01), None
Hjerpe Richard
Said Mansour M.
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