US 11,747,946 B2
Display device and touch input system including the same
Gi Na Yoo, Cheonan-si (KR); and Ju Yeon Kim, Asan-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD, Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 17, 2022, as Appl. No. 17/820,498.
Claims priority of application No. 10-2022-0007689 (KR), filed on Jan. 19, 2022.
Prior Publication US 2023/0229274 A1, Jul. 20, 2023
Int. Cl. G06F 3/044 (2006.01); G02F 1/1333 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0445 (2019.05) [G02F 1/13338 (2013.01); G06F 3/0412 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a display unit that includes a plurality of light emitting areas;
a plurality of touch electrodes that capacitively sense a touch and are disposed on the display unit between the plurality of light emitting areas;
a plurality of code patterns that cover a portion of a front surface of at least one of the plurality of touch electrodes with a preset code shape; and
an infrared scattering layer disposed on the plurality of touch electrodes and the plurality of code patterns according to an arrangement shape of the plurality of touch electrodes, wherein the infrared scattering layer scatters infrared light incident on or reflected from the plurality of code patterns and the plurality of touch electrodes, wherein the infrared scattering layer covers the plurality of touch electrodes, the plurality of code patterns and at least one light emitting area of the plurality of light emitting areas.