US 12,153,763 B2
Display device including a photo sensor
Tae Gyun Kim, Yongin-si (KR); Hee Rim Song, Yongin-si (KR); Dong Hoon Lee, Yongin-si (KR); and Yu Jin Lee, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jan. 24, 2023, as Appl. No. 18/101,026.
Claims priority of application No. 10-2022-0019175 (KR), filed on Feb. 14, 2022.
Prior Publication US 2023/0259238 A1, Aug. 17, 2023
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/044 (2013.01) [G06F 3/0412 (2013.01); G06F 2203/04111 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a base layer;
a circuit layer on the base layer, the circuit layer including pixel circuits and sensor circuits;
a pixel element layer on the circuit layer, the pixel element layer including light emitting elements respectively connected to the pixel circuits and light receiving elements respectively connected to the sensor circuits;
an encapsulation layer covering the pixel element layer; and
a touch sensing layer on the encapsulation layer, the touch sensing layer including a conductive pattern forming touch electrodes for sensing a touch,
wherein the light emitting elements include light emitting layers, and the light receiving elements include light receiving layers, respectively,
wherein the conductive pattern includes main patterns respectively surrounding the light receiving layers in a closed form in a plan view, and
wherein the main patterns include first layer patterns and second layer patterns, which are in different layers with an insulating layer interposed therebetween.