Organic electroluminescent device compensated pixel driver circuit
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United States of America Patent
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-
Jan 25, 2005
Grant Date -
Jun 26, 2003
app pub date -
Dec 21, 2001
filing date -
Dec 21, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
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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