Patent ID: 8102378
Filing Date: 2012-01-24
Classification: G02F,G06F

Abstract:
1. A touch-sensing display screen comprising: an upper transparent substrate; a lower substrate opposite the upper substrate including a plurality of gate lines and a plurality of data lines; an infrared light source configured to illuminate a portion of the upper transparent substrate; a light converting layer disposed between the upper and lower substrates configured to convert the infrared light received by the upper transparent substrate to visible light; a pixel area on the lower substrate having a first thin-film transistor configured to activate a pixel electrode; and a light-sensing thin-film transistor in the pixel area configured to sense the visible light provided by the light converting layer and output a light-sense signal in response thereto, wherein the light-sensing thin-film transistor is formed on the lower substrate to correspond with the light converting layer, wherein the pixel area further comprises a second thin-film transistor in communication with the light-sensing transistor, wherein the first and second thin-film transistors in the same pixel area are simultaneously controlled by a scan signal from a same gate line.