Patent ID: 8446406

Claim:
A liquid crystal display comprising: a liquid crystal display panel including data lines and gate lines crossing one another and a pixel array including liquid crystal cells arranged in a matrix format according to a crossing structure of the data lines and the gate lines; a source drive circuit including a plurality of output channels, the source drive circuit supplying a data voltage to the data lines through the plurality of output channels; a gate drive circuit sequentially supplying a gate pulse to the gate lines, wherein the liquid crystal display panel includes link lines that respectively connect the data lines to the output channels of the source drive circuit, wherein the source drive circuit includes a plurality of output channel resistors connected between the output channels and the link lines, wherein each of the output channel resistors includes a variable resistance circuit, wherein the variable resistance circuit includes: a first resistor to which the data voltage is input; a multiplexer whose an input terminal is connected to the first resistor; and a second resistor connected to one of a plurality of output terminals of the multiplexer, wherein the second resistor and another output terminal of the plurality of output terminals of the multiplexer are connected in series to the data line, wherein the multiplexer connects the first resistor to one of the second resistor and the data line in response to a predetermined resistance selection signal.