| 摘要 |
An apparatus for improving response characteristic of liquid crystal display is provided to be applied to an overdriving when gray is changed to minimum or maximum by using the brightness of a back light unit. An image enhancement unit(42) outputs a dimming control signal(CTL DIMMING) controlling the brightness of the back light. A timing controller(43) generates a gate control signal(GDC) and a data control signal(DDC). A gate driving unit(44) supplies a scan signal to the gate line(GL1-GLn), and a data driver(45) supplies data to the data line(DL1~DLm). The liquid crystal panel(46) comprises the thin film transistor formed at the intersection of the n gate lines and m data lines. An inverter(48) controls the black light unit(49) according to the dimming control signal.
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