Patent ID: 9658706
Date: 2017-05-23
CPC Classifications: G06F

Claim:
1. A touch panel comprising: a cover window including an active area and an inactive area; a print layer on the inactive area; a sensing part on the inactive area to emit light toward the print layer; and a first light receiving part on the print layer to receive the light, wherein the print layer comprises: a first print layer on the cover window; a second print layer formed on the first print layer while forming a step difference with respect to the first print layer; and a third print layer filling the step difference, wherein the third print layer is disposed on the first and second print layers, wherein the third print layer makes direct physical contact with the first and second print layers, wherein the first print layer and the second print layer are white-color print layers, wherein the third print layer is a black-color print layer, wherein the sensing part comprises: wherein the first light receiving part and the print layer reflect the light emitted from the light emitting part, wherein the third print layer is disposed to make contact with a top surface and a side surface of the second print layer and a top surface of the first print layer, wherein the light emitting part only emits the light to the first light receiving part and the third print layer, and wherein a thickness of the first light receiving part is the same as a sum of thicknesses of the first print layer, the second print layer, and the third print layer.