Patent ID: 8860700
Filing Date: 2014-10-14
Classification: G09G

Abstract:
1. A driving circuit of a liquid crystal display (LCD) device comprising: a source driver configured to output data driving signals to corresponding pixel units of the LCD device according to a plurality of first clock signals; a gate driver configured to selectively turn on corresponding pixel units of the LCD device according to a plurality of second clock signals; a thermal sensor configured to detect an operational temperature of the LCD device and generate a corresponding thermal signal; and a power integrated circuit (IC) configured to provide the plurality of second clock signals for driving the gate driver of the LCD device and adjust effective pulse widths of the plurality of second clock signals according to the thermal signal; wherein when the operational temperature of the LCD device does not exceed a predetermined value, the power IC is configured to provide the plurality of second clock signals each having a first effective pulse width; or when the operational temperature of the LCD device exceeds the predetermined value, the power IC is configured to perform Voltage trimming by discharging signal falling edges of the plurality of second clock signals, thereby providing the plurality of second clock signals each having a second effective pulse width smaller than the first effective pulse width.