Patent attributes
A signal driving method is provided. One signal driving cycle includes two signal driving periods in which drive signals are applied to P detection electrodes. The method comprises, in a first period, applying non-inverting and inverting drive signals respectively to M adjacent detection electrodes and N adjacent detection electrodes. The non-inverting and inverting drive signals respectively applied to the M and N electrodes cancel each other out, M+N≤P and |M−N|≤Q. The method further comprises, in a second period, applying the non-inverting and inverting drive signals respectively to K adjacent detection electrodes and L adjacent detection electrodes. The non-inverting and inverting drive signals respectively applied to the K and L electrodes cancel each other out, K+L≤P, |K−L|≤Q and M+K≥P. Q denotes a number of detection electrodes which makes an active pen not cause moire after the cancelling, and P denotes a number of detection electrodes not greater than a number of detection electrodes on a touch control screen.
