Patent ID: 8004512

Claim:
A power-on screen pattern correcting apparatus, for correcting a plurality of pieces of start output data of a plurality of output terminals of a source driver such that a power-on screen pattern of a display is substantially uniform, the power-on screen pattern correcting apparatus comprising: a flip-flop, for controlling a level of an inner signal to be substantially equal to a low signal level in response to a low level of a power start signal; a first logic unit, for enabling a first signal in response to the low level of the inner signal or a low level of a high-impedance control signal; and a second logic unit, for enabling a second signal in response to the low level of the inner signal or a low level of a charge-sharing control signal; wherein when the first signal is enabled, the output terminals of the source driver are in a high-impedance state; wherein when the second signal is enabled, the output terminals are coupled to a charge sharing line such that all the start output data is substantially equal and the power-on screen pattern is substantially uniform.