Patent ID: 7982691

Claim:
A light emitting display device having scan lines, data lines, and a display region including pixels coupled to the scan lines and the data lines, the device further comprising: a scan driver for driving the scan lines; and a data driver for driving the data lines during frames, the frames being divided into horizontal periods, wherein the data driver comprises: a sampling latch unit including sampling latches for sampling data; a holding latch unit including holding latches for storing the data sampled by the sampling latch; a signal generator including digital-to-analog converters for receiving the data and for generating data signals; a first switch between the holding latch unit and the signal generator; and a second switch coupled to the signal generator and for transmitting the data signals to the data lines, wherein the first switch couples at least one of the holding latches to a different one of the digital-to-analog converters during one of the horizontal periods than that during a previous one of the horizontal periods, wherein the number of the digital-to-analog converters is larger than the number of the holding latches, and wherein the first switch shifts at least a part of the data in a first direction by one or more channels during a first one of the horizontal periods, does not shift the data during a second one of the horizontal periods, and shifts at least a part of the data in a second direction opposite the first direction by one or more channels during a third one of the horizontal periods.