Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-02-20
2007-02-20
Chang, Kent (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S211000
Reexamination Certificate
active
10282004
ABSTRACT:
The variation of characteristics of transistors occurs. The present invention is a signal line drive circuit having a plurality of current source circuit corresponding to a plurality of wirings, a first and a second shift registers, a latch circuit, the foregoing plurality of current source circuits have capacity means and supplying means, respectively, characterized in that the foregoing capacity means converts a supplied current into a voltage according to a sampling pulse supplied from the foregoing first shift register, the foregoing supplying means supplies a current corresponding to the foregoing converted voltage according to a video signal, and the foregoing latch circuit operates according to a sampling pulse supplied from the foregoing second shift register.
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Chang Kent
Robinson Eric J.
Robinson Intellectual Property Law Office P.C.
Semiconductor Energy Laboratory Co,. Ltd.
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