Data driving apparatus in a current driving type display device

Details Data driving apparatus in a current driving type display device Data driving apparatus in a current driving type display device

2007-05-29

2007-05-29

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S145000

Reexamination Certificate

active

11229117

ABSTRACT:
The present invention relates to a data driving apparatus for driving a current driving display device. A current output device of the data driving apparatus sequentially applies data signals to data lines. The data signals correspond to analog converted output currents. The current output device may include an analog output current converter for converting the analog converted output currents to analog output currents including a main signal and a sub-signal having a predetermined ratio therebetween, a switch for supplying the analog output currents including the main signal and the sub-signal according to a first control signal, and a current sample/hold circuit for sampling or holding the analog output currents including the main signal and the sub-signal according to a current sample/hold control signal.

REFERENCES:
patent: 2006/0061499 (2006-03-01), Seo
patent: 2006/0077137 (2006-04-01), Kwon
patent: 10-2006-0031382 (2006-04-01), None

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