SOURCE DRIVER INCLUDING OUTPUT BUFFER, DISPLAY DRIVING CIRCUIT, AND OPERATING METHOD OF SOURCE DRIVER

摘要

A source driver includes a buffer device including a plurality of buffers corresponding to a plurality of data lines, each of the plurality of buffers respectively including an amplifier configured to amplify an input signal and an output driver configured to output a driving signal to a corresponding data line among the plurality of data lines; and a switch device including a charge sharing switch configured to electrically connect the plurality of data lines to one another during a charge sharing operation, each of the amplifiers including a first current mirror having a reference current path including a first node and an output current path including a second node, and the first node of the reference current path and the second node of the output current path are electrically connected to each other during the charge sharing operation.

主权项

1. A source driver comprising:
a buffer device comprising a plurality of buffers corresponding to a plurality of data lines, wherein each of the plurality of buffers respectively comprises an amplifier configured to amplify an input signal and an output driver configured to output a driving signal to a corresponding data line among the plurality of data lines; and a switch device comprising a charge sharing switch configured to electrically connect the plurality of data lines to one another during a charge sharing operation, wherein each of the amplifiers comprises a first current mirror having a reference current path comprising a first node and an output current path comprising a second node, and the first node of the reference current path and the second node of the output current path are electrically connected to each other during the charge sharing operation.