Display panel with pre-charging operations, and method for driving the same

A display panel, comprising:

• a plurality of data lines comprising a first data line and a second data line adjacent to the first data line;
• and
• a source driver coupled to the data lines, the source driver comprising:
• a first latching unit for outputting a first latter sample data signal;
• a second latching circuit for outputting a second latter sample data signal;
• a first multiplexing unit having a first input end and a second input end, wherein the first input end of the first multiplexing unit is coupled to an output end of the first latching unit, and the second input end of the first multiplexing unit is coupled to an output end of the second latching unit;
• a second multiplexing unit having a first input end and a second input end thereof, wherein the first input end of the second multiplexing unit is coupled to the output end of the second latching unit, and the second input end of the second multiplexing unit is coupled to the output end of the first latching unit;
• a third latching unit coupled to an output end of the first multiplexing unit for outputting a first former sample data signal;
• a fourth latching unit coupled to an output end of the second multiplexing unit for outputting a second former sample data signal;
• a first level shifting circuit coupled to the third latching unit for receiving the first former sample data signal and outputting a first level shifted data signal;
• a second level shifting circuit coupled to the fourth latching unit for receiving the second former sample data signal outputted by the second latching circuit and outputting a second level shifted data signal;
• a first digital to analog converting circuit for converting the first level shifted data signal to a first analog signal;
• a second digital to analog converting circuit for converting the second level shifted data signal to a second analog signal;
• a first operational amplifying circuit for processing the first analog signal to generate a first output data signal;
• a second operational amplifying circuit for processing the second analog signal to generate a second output data signal;
• a transmission switch circuit coupled to the first data line and the second data line, wherein the transmission switch circuit is activated in accordance with a polarity signal and a control signal, such that the first output data signal and the second output data signal are transmitted through the transmission switch circuit;
• a switch control circuit for comparing an MSB (Most Significant Bit) of the first former sample data signal with an MSB of the first latter sample data signal and comparing an MSB of the second former sample data signal with an MSB of the second latter sample data signal, wherein the switch control circuit generates a first switch control signal when the MSB of the first former sample data signal is different from the MSB of the first latter sample data signal, and the switch control circuit generates a second switch control signal when the MSB of the second former sample data signal is different from the MSB of the second latter sample data signal;
• a first pre-charge switch circuit coupled to the first data line and the switch control circuit, wherein the first pre-charge switch circuit is activated in accordance with the first switch control signal, the polarity signal and the control signal when the transmission switch circuit is deactivated, such that the first data line is pre-charged by one of a first pre-charge voltage and a second pre-charge voltage through the first pre-charge switch circuit;
• and
• a second pre-charge switch circuit coupled to the second data line and the switch control circuit, wherein the second pre-charge switch circuit is activated in accordance with the second switch control signal, the polarity signal and the control signal when the transmission switch circuit is deactivated, such that the second data line is pre-charged by the other of the first pre-charge voltage and the second pre-charge voltage through the second pre-charge switch circuit.