Lg Philips Lcd Co., Inc.

Jung Taeck Yer

Sin Ho Kang

Jong Dae Kim

A driving circuit of an LCD device compensates a gamma voltage according to a peripheral environment so that exact picture images can be displayed. The driving circuit of the LCD device includes a memory dividing the peripheral environment into a plurality of modes and storing information of each mode, an environment sensor sensing variation of the peripheral environment, a controller selecting information of a mode corresponding to the resultant value sensed by the environment sensor, a digital variable resistor adjusting a resistance value to correspond to mode information selected by the controller, and a gamma voltage outputting unit outputting a plurality of gamma voltages corresponding to the adjusted resistance value.

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Kyongsangbuk-do, South Korea

Jung Taeck Yer