Finnegan, Henderson, Farabow, Garrett, & Dunner, L.L.P.
Source driver of liquid crystal display and method for driving the same
 A source driver of a liquid crystal display (LCD) having a multi-scan function and a method for driving the same are disclosed, the source drive of an LCD includes a shift register for shifting and outputting a carry input/output (I/O) signal, a latch section including first, second, and third latches for sequentially storing R, G, and B external image signal data, holding the stored data, and outputting stored image signal data synchronously with the carry I/O signal. Further, a digital/analog (D/A) converter for converts the image data output by the latch section into an analog image signal based on external POL signal, a data output part for outputs the analog image signal, and a controlling section controls operation of the three latches so as not to operate data input and data output in the same latch. 
LG Electronics Inc.
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Seung-Jong
Lee