US Patent 9471185 Flexible touch sensor input device

In one embodiment, an input device includes a flexible outer layer and a flexible touch sensor layer. The flexible outer layer is formed from a solidified material. The flexible touch sensor includes a substrate and a plurality of electrodes coupled to at least one side of the substrate. The electrodes are operable to detect touches of the flexible outer layer. Each of the electrodes have a shape formed by a plurality of lines of metal, which may be fine lines of metal (FLM), that occupy less than 100% of the area of the shape of the electrode.