Patent ID: 8564524
Filing Date: 2013-10-22
Classification: G09G

Abstract:
1. A signal controlling circuit, for controlling a display panel, wherein a plurality of scan lines is disposed on the display panel for respectively receiving a corresponding scan signal, and each of the scan lines is coupled to a plurality of the pixels disposed on the display panel, the signal controlling circuit comprising: a first comparison feedback unit, coupled to two of the scan lines, for receiving the corresponding scan signals and outputting a first calculation signal, wherein the first comparison feedback unit comprises: a second comparison feedback unit, coupled to one of the scan lines other than the two scan lines coupled to the first comparison feedback unit, for receiving the corresponding scan signal and outputting a second calculation signal; and a calculation unit, for receiving the first calculation signal and the second calculation signal, and determining whether or not to enable a control signal every a predetermined time, wherein when the control signal is enabled, one of the scan lines is enabled.