Patent ID: 8648848

Claim:
A display device comprising a plurality of pixels, each of the plurality of pixels comprising: a light emitting diode (LED) comprising a first terminal and a second terminal, wherein the first terminal of the LED is electrically coupled to a first preset voltage, and a driving circuit, comprising: a first switch comprising a first passage terminal, a second passage terminal and a control terminal, wherein the first passage terminal of the first switch is electrically coupled to receive a data signal, and the control terminal of the first switch is electrically coupled to receive a scanning signal to determine whether the data signal is allowed to be transferred from the first passage terminal of the first switch to the second passage terminal of the first switch; a second switch comprising a first passage terminal, a second passage terminal and a control terminal, wherein the first passage terminal of the second switch is electrically coupled to the second terminal of the LED, the second passage terminal of the second switch is electrically coupled to a second preset voltage, and the control terminal of the second switch is electrically coupled to the second passage terminal of the first switch to receive the data signal; and a capacitor electrically coupled between a periodically varied resetting signal and the control terminal of the second switch; wherein a voltage of the control terminal of the second switch is periodically reset by the resetting signal to a first reset voltage level higher than a voltage level of the data signal during each frame period or to a second reset voltage level lower than the voltage level of the data signal during each frame period before the first switch is turned on during each frame period.