Patent ID: 8730201

Claim:
A touch panel, comprising: an insulating base having a first surface and a second surface; a plurality of first sensing series disposed on the first surface of the insulating base, wherein each of the first sensing series comprises a plurality of first sensing electrodes electrically connected to each other and arranged along a first direction; a plurality of second sensing series disposed on the first surface of the insulating base, wherein each of the second sensing series comprises a plurality of second sensing electrodes electrically connected to each other and arranged along a second direction, the first direction is different from the second direction, and the first sensing series and the second sensing series are electrically isolated from each other; a plurality of third sensing electrodes disposed on the second surface of the insulating base, wherein each of the third sensing electrodes at least partially overlaps two of the first sensing series and two of the second sensing series; at least one driving chip for sequentially providing scan signals to each of the third sensing electrodes and for receiving sensing signals generated from the first sensing series and the second sensing series; and at least one first connecting line and at least one second connecting line disposed on the first surface of the insulating base, wherein the at least one first connecting line is electrically connected to a portion of the plurality of the first sensing series, the at least one second connecting line is electrically connected to the other portion of the plurality of the first sensing series, and the at least one first connecting line and the at least one second connecting line are electrically isolated from each other, wherein the plurality of first sensing series comprises 4n first sensing series, the (4m−3) th first sensing series and the (4m−1) th first sensing series are electrically connected to the first connecting line, the (4m−2) th first sensing series and the (4m) th first sensing series are electrically connected to the second connecting line, and n is a positive integer and m is a set of positive integers smaller than or equal to n, and wherein the (2m−1) th third sensing electrode at least partially overlaps the (4m−3) th first sensing series and the (4m−2) th first sensing series, and the (2m) th third sensing electrode at least partially overlaps the (4m−1) th first sensing series and the (4m) th first sensing series.