Patent ID: 7209102

Claim:
A liquid crystal display, comprising: a liquid crystal panel assembly including a plurality of gate lines, a plurality of data lines intersecting the gate lines, a plurality of switching elements connected to the gate lines and the data Lines, a plurality of pixel electrodes connected to the switching elements, and a reference electrode opposing the pixel electrodes; a gate driver for applying gate signals to the gate lines to activate to switching elements; a data driver having at least two data driving ICs for applying data voltages that are applied to the pixel electrodes to the data lines; and a reference voltage generator for generating first to third reference voltages to be respectively applied to first to third positions of the reference electrode, wherein the first reference voltage is smaller than the third reference voltage, the third reference voltage is smaller than the second reference voltage, the first position is closer to the gate driver than the third position and the third position is closer to the gate driver than the second position, and wherein the reference voltage generator comprises: a first group of resistors for dividing an external voltage; a transistor activated by a first divided voltage outputted from the first group of resistors; a first capacitor for storing an output voltage of the transistor and providing the stored voltage as the second reference voltage; a group of diodes for dropplug the output voltage of the transistor; a second group of resistors for dividing a voltage across the group of diodes; and an amplifier for amplifying a second divided voltage outputted from the second group of registors and outputting an amplified voltage as the first reference voltage, the amplifier including an inverting terminal connected to the third position of the reference electrode provide the third reference voltage for the third position.