Organic electroluminescent device compensated pixel driver...

Details Organic electroluminescent device compensated pixel driver... Organic electroluminescent device compensated pixel driver...

2005-01-25

2005-01-25

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169100, C345S084000

Reexamination Certificate

active

06847171

ABSTRACT:
A compensated pixel driver circuit for an organic electroluminescent device, wherein the circuit comprises a unity gain buffer which is preferably implemented as an operational amplifier. The circuit provides a unity gain sample and hold function, thereby compensating the current supply to the electroluminescent element by providing a self adjusting load.

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