TOUCH PANEL AND TOUCH POSITION DETECTION METHOD OF TOUCH PANEL

摘要

A touch panel and a touch position detection method are presented. The touch panel includes: a touch unit, a light source unit array positioned along a first edge of the touch unit and including a first light source and a second light source; and a detection unit array positioned along a second edge and including a detection unit generating a detection signal by detecting light from the light source unit array. The first light source radiates light having a first optical axis, the first optical axis extending in a first direction that makes a first angle with respect to a reference direction, and the second light source radiates light having a second optical axis, the second optical axis extending in a second direction that makes the first angle with respect to the reference direction. The reference direction is perpendicular to the second edge.