Patent ID: 8139016

Claim:
A method for improving the EMI performance of an LCD device, adapting for a point-to-point transistor transistor logic interface of the LCD device, comprising the following steps: (a) receiving a plurality of image data based on a data CLK signal; (b) providing a first CLK signal and a second CLK signal to a plurality of source drivers by a timing controller, wherein a frequency of the first CLK signal and a frequency of the second CLK signal are smaller than a frequency of the data CLK signal, a phase of the first CLK signal is different from a phase of the second CLK signal, wherein a phase difference between the first CLK signal and the second CLK signal is less than 180 degrees; and (c) the timing controller transmitting a plurality of first image data to the plurality of source drivers based on the first CLK signal, and the timing controller transmitting a plurality of second image data to the plurality of source drivers based on the second CLK signal.