Organic light-emitting diode (OLED) display and data driver...

Details Organic light-emitting diode (OLED) display and data driver... Organic light-emitting diode (OLED) display and data driver...

2007-01-03

2010-11-09

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000, C345S098000, C345S100000, C345S211000, C345S690000

Reexamination Certificate

active

07830343

ABSTRACT:
An output stage circuit of a data driver for an display is provided. The circuit includes a current mirror having a first transistor and a current source on a reference current path, having a second transistor on an output current path, wherein the reference and output current paths are commonly coupled to a power line, a capacitor having a first end coupled to the power line and a second end coupled to a gate of the second transistor, a first switch cutting off the output current path during a first period, and a second switch coupling the second end of the capacitor to the current source during the first period.

REFERENCES:
patent: 2004/0150595 (2004-08-01), Kasai
patent: 2005/0012697 (2005-01-01), Suzuki
patent: 2005/0225517 (2005-10-01), Sun

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