US Patent 9746976 Touch control device and fabrication method thereof

A touch control device includes at least one sensing unit that includes an electrically insulating and light transmissive substrate, multiple mutually electrically insulating touch control electrode structures spacedly disposed on a same side of the substrate, and at least one dummy electrode set disposed on the substrate and located between adjacent ones of the touch control electrode structures. The dummy electrode set forms a groove that extends from a top side thereof through to the substrate and including a plurality of dummy electrode structures that are dividedly defined by said groove. The groove extends between the adjacent ones of the touch control electrode structures and forms at least one bent.