Patent ID: 8477130

Claim:
A display device for displaying images by supplying voltages to first and second electrodes, wherein: the display device comprises a plurality of sub-pixels, a gate driver and a source driver, each sub-pixel is provided with a refresh circuit, the refresh circuit has a voltage selection unit for receiving first and second refresh voltages, and the voltage selection circuit has a first switch, a second switch, a third switch and a fourth switch; and the voltage selection unit is electrically connected with the gate driver and supplies the first refresh voltage to the first electrode through a first path when the voltage on the first electrode is a first data voltage, while supplying the second refresh voltage to the first electrode through a second path when the voltage on the first electrode is a second data voltage, wherein a gate terminal of the first switch and a gate terminal of the third switch are connected to one end of a sample capacitor, and a gate terminal of the second switch and a gate terminal of the fourth switch are electrically connected with the gate driver through a first control line and a second control line, respectively; and wherein another end of the sample capacitor is connected to a refresh switch, and the refresh switch is electrically connected to the gate driver through a refresh line and is electrically connected to the source driver through a source line.