TOUCH PANEL AND MOBILE TERMINAL DEVICE

PROBLEM TO BE SOLVED: To provide a touch panel with improved position detection accuracy. SOLUTION: The touch panel includes: a first electrode having first electrode patterns formed by connecting electrode pieces of a predetermined shape in a first direction and arrayed in a direction crossing the first direction; a second electrode having second electrode patterns formed by connecting electrode pieces of a predetermined shape in a second direction and arrayed in the first direction; and a position detecting means for determining a gravity center position of a detection output indicating an electrostatic capacitance of each of the first electrode patterns, and that indicating an electrostatic capacitance of each of the second electrode patterns, to be output as a position detection result. The shape of the electrode piece is determined so that a difference between areas of the individual electrode pieces concerned, is smaller compared with when the individual electrode piece is a polygon having a plane formed of the same shape, between when the whole individual electrode piece contributes to formation of the electrostatic capacitance corresponding to a target object and when the target object contributes to the formation of the electrostatic capacitance when approaching the middle of the electrode piece belonging to the adjacent two electrode patterns. COPYRIGHT: (C)2010,JPO&INPIT