Patent ID: 9158415
Filing Date: 2015-10-13
Classification: G06F

Abstract:
1. A touch panel comprising: a substrate; a plurality of light emitting elements disposed on the substrate; and a plurality of light receiving elements disposed on the substrate, wherein the number of light receiving elements is greater than the number of light emitting elements, wherein the substrate comprises a first long side, a second long side opposite to the first long side, a first short side adjacent to the first and second long sides, and a second short side opposite to the first short side, wherein the plurality of light emitting elements and the plurality of light receiving elements are disposed at the first and second long sides and the first and second short sides, wherein the light receiving elements are disposed at both ends of the first and second long sides and the first and second short sides, wherein at least two light receiving elements are continuously disposed at a corner of the substrate, wherein a first light receiving element, a second light receiving element, a third light receiving element, and a fourth light receiving element are continuously disposed maintaining the same distance, wherein a first light emitting element is disposed between the first light receiving element and the second light receiving element, and a second light emitting element is disposed between the third light receiving element and the fourth light receiving element, wherein a first distance between the first light receiving element and the first light emitting element is smaller than a second distance between the first light receiving element and the second light receiving element, wherein the second distance is smaller than a third distance between the first light emitting element and the second light emitting element, and wherein at least one light receiving element is disposed between two adjacent light emitting elements.