Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2006-10-17
2006-10-17
Eisen, Alexander (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S076000, C345S100000
Reexamination Certificate
active
07123250
ABSTRACT:
The transistor suffers the variation caused in threshold voltage or mobility due to gathering of the factors of the variation in gate insulator film resulting from a difference in manufacture process or substrate used and of the variation in channel-region crystal state. The present invention provides an electric circuit having an arrangement such that both electrodes of a capacitance element can hold a gate-to-source voltage of a particular transistor. The invention provides an electric circuit having a function capable of setting a potential difference at between the both electrodes of the capacitance element by the use of a constant-current source.
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Kimura Hajime
Watanabe Yasuko
Eisen Alexander
Robinson Eric J.
Robinson Intellectual Property Law Office P.C.
Semiconductor Energy Laboratory Co,. Ltd.
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