Patent ID: 8077166

Claim:
A driving apparatus for a display device, the driving apparatus comprising: a signal controller that processes image data from an external circuit; and a memory that is connected to the signal controller, wherein the signal controller comprises a data converter that converts the image data and outputs a converted image data corresponding to the image data to the memory, wherein the data converter comprises a data output unit that converts the image data and outputs the converted image data and a data input unit that receives the converted image data input from the memory and restores the image data corresponding to the converted image data from the received converted image data, wherein the data output unit outputs a most significant bit MSB of the image data to the memory and comprises a plurality of first logic circuits, and each of the first logic circuits has the MSB and one of the remaining bits of the image data as inputs to generate an operated-on bit for output to the memory, wherein the data input unit comprises a plurality of second logic circuits, and each of the second logic circuits has the MSB output from the memory and the operated-on bit output from the memory as inputs, and wherein the MSB of the image data and the operated-on bits are both input to the memory and output from the memory.