An object of the present invention is to provide a touch panel having a press detection function, which makes it possible to suppress degradation of visibility of a display unit of a display device even when mounted on an electronic device, and also to improve a pressure measuring precision. For this...http://www.google.de/patents/US8094134?utm_source=gb-gplus-sharePatent US8094134 - Touch panel having press detection function and pressure sensitive sensor for the touch panel