Active matrix oled voltage drive pixel circuit

Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source

Reexamination Certificate

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C345S082000

Reexamination Certificate

active

10300417

ABSTRACT:
There is provided a circuit for driving a current mode light modulating device. The circuit includes (a) a capacitor for storing a data voltage, (b) a field effect transistor (FET) controlled by a signal on a scan line, for coupling the data voltage from a signal line to the capacitor, and (c) a current source, controlled by the stored data voltage, for driving the device with current provided from a power line. The power line is in a plane that is geometrically parallel to a plane within which the scan line is located.

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