Patent ID: 9208724
Filing Date: 2015-12-08
Classification: G09G

Abstract:
1. A display device comprising: a display panel; and a control signal circuit that supplies a control signal to the display panel, the control signal circuit including a plurality of driving units and a plurality of reverse circuits, wherein a respective driving unit is supplied with a clock signal and generates a first output pulse that has the same waveform as the clock signal, wherein a respective reverse circuit reverses the first output pulse to generate a second output pulse that is an output of the control signal circuit, wherein the respective reverse circuit includes first to fourth transistors and a capacitor, wherein source and gate electrode of the first transistor are supplied with a low level driving voltage, and a drain electrode of the first transistor is connected to a gate electrode of the second transistor via a second node, wherein a source electrode of the second transistor is supplied with the low level driving voltage, the gate electrode of the second transistor is connected to an electrode of the capacitor, and the drain electrode of the second transistor is connected to the other electrode of the capacitor via a third node, wherein a source electrode of the third transistor is connected to the second node, a gate electrode of the third transistor is supplied with the first output pulse, and a drain electrode of the third transistor is supplied with a high level driving voltage, and wherein a source electrode of the fourth transistor is connected to the third node, a gate electrode of the fourth transistor is supplied with the first output pulse, and a drain electrode of the fourth transistor is supplied with the high level driving voltage.