to the number of the second touch sensing units a second signal is generated through summing up the second sensing signals of the second touch sensing unit a difference signal is generated through subtracting the second signal from the first signal a comparison result is generated through comparing the difference signal with a difference threshold and finally the comparison result is utilized for judging whether a touch event is occurring to the first touch sensing unit application_number US 201113300669 A description hereinafter some embodiments of the present invention will be described in detail with reference to the accompanying drawings here it is to be noted that the present invention is not limited thereto furthermore the step serial numbers regarding the signal processing method of a touch panel are not meant thereto limit the operating sequence and any rearrangement of the operating sequence for achieving same functionality is still within the spirit and scope of the invention fig2 is a flowchart depicting a signal processing method based on the sensing judge array 100 illustrated in fig1 according to a first embodiment of the present invention as shown in fig2 the flow 200 for depicting the signal processing method of a touch panel comprises the following steps step s 205 fetching the first sensing signal ssc of the first touch sensing unit suc and fetching the second sensing signals ssa 1 u02dc ssa 8 of the second touch sensing units sua.