US 12,223,129 B2
Display device
Soo Yeong Hong, Yongin-si (KR); Gee Bum Kim, Yongin-si (KR); Sang Woo Kim, Yongin-si (KR); Kwang Soo Bae, Yongin-si (KR); and Bo Kwang Song, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jun. 15, 2023, as Appl. No. 18/210,117.
Claims priority of application No. 10-2022-0135366 (KR), filed on Oct. 20, 2022.
Prior Publication US 2024/0134471 A1, Apr. 25, 2024
Prior Publication US 2024/0231518 A9, Jul. 11, 2024
Int. Cl. G06F 3/041 (2006.01); G09G 3/32 (2016.01)
CPC G06F 3/0412 (2013.01) [G09G 3/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a plurality of emission portions disposed on the substrate, the plurality of emission portions emitting light;
a plurality of light sensing portions disposed on the substrate, the plurality of light sensing portions sensing an incident light;
a bank layer partitioning the plurality of emission portions and the plurality of light sensing portions; and
a touch sensing layer disposed on the bank layer;
wherein the touch sensing layer comprises:
a first touch insulating pattern disposed on the bank layer, the first touch insulating pattern partitioning a light opening overlapping the plurality of light sensing portions; and
a touch electrode disposed on the first touch insulating pattern,
wherein a cross-sectional shape of the first touch insulating pattern has a reverse tapered shape having a width that decreases in a direction towards a top surface of the substrate.