Patent ID: 8546705

Claim:
A device for preventing the influence of conducting material from point detection of projected capacitive touch panel, said device comprises: a first sensing layer, having a plurality of first axial conductive lines isolated from each other and correspondingly electrically connected to a plurality of first outside-connection conducting wires, wherein the plurality of the first axial conductive lines comprise all the conductive lines on the first sensing layer; a second sensing layer, having a plurality of second axial conductive lines isolated from each other and correspondingly electrically connected to a plurality of second outside-connection conducting wires, wherein said second sensing layer is on a dielectric layer, said first sensing layer, and a substrate in sequence, wherein the plurality of the second axial conductive lines comprise all the conductive lines on the second sensing layer; a signal driving line, electrically connecting to said plurality of second outside-connection conducting wires to provide a first sensing signal concurrently; and a sensing unit, electrically connecting said plurality of first and second outside-connection conducting wires to sense the sensing signals on said plurality of first axial conductive lines and second axial conductive lines; wherein said sensing signals of said plurality of first axial conductive lines on said first sensing layer, and said sensing signals of said plurality of second axial conductive lines on said second sensing layer, are provided concurrently; wherein said signal driving line further electrically connects to said plurality of first outside-connection conducting wires.