Composite touch panel and method for operating the same

Abstract

A composite touch panel includes a first insulating layer, a first conductive layer, a plurality of spacers, a second conductive layer and a second insulating layer in turn stacked on each other. The second conductive layer is applied with a predetermined first working voltage, and the voltages at four comers of the first conductive layer are measured. The composite touch panel is judged to work at a resistance mode when one of the measured voltages exceeds a first threshold, and a pressed position on the composite touch panel is determined. The composite touch panel is judged to work at a capacitance mode when all of the measured voltages are smaller than the first threshold. At the capacitance mode, whether a touch is present is judged, and the touch position is also determined when a touch is present.

Dependencies are inferred from the claim text.