Datentreiber für eine Flüssigkristallanzeige

摘要

A single integrated circuit (IC) includes a data latch circuit (22, 23) for latching and outputting at least two sets of three video signals (D(A)-D(C)) corresponding to a source video signal. The IC includes a line latch circuit (25, 26) for latching the video signals from the data latch circuit (22, 23) corresponding to the latch clock signal from a shift register (21). The IC includes a digital to analog converter (27, 28) for converting the video signal from the line latch (25, 26) to an analog signal. The IC further includes a data output circuit (29, 30) for outputting the analog signal. The frequency of the clock signal (SCL) is reduced by the number of sets of the three video signals as compared to the frequency of the source video signal.