Light emitting display and data driver there of

Details Light emitting display and data driver there of Light emitting display and data driver there of

2007-07-03

2007-07-03

Elms, Richard T. (Department: 2824)

Static information storage and retrieval

Read/write circuit

Precharge

C365S222000, C345S082000

Reexamination Certificate

active

11228755

ABSTRACT:
An organic light emitting diode display being driven according to a current programming method. A digital/analog converter of a data driver sequentially converts data signals representing gray scales to data currents and sequentially transmits the data currents to an output stage. The output stage sequentially samples the data currents and concurrently transmits the data currents to data lines. A precharge voltage is applied to a wire between the digital/analog converter and the output stage before a respective one of the data currents is transmitted to the output stage. As such, the data currents may be properly transmitted to the output stage.

REFERENCES:
patent: 7012849 (2006-03-01), Otose
patent: 7167406 (2007-01-01), Komiya
patent: 7180493 (2007-02-01), Shin et al.
patent: 2005/0285824 (2005-12-01), Shin
patent: 2006/0077139 (2006-04-01), Kwon

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