US 12,075,684 B2
Display device
Youngsub Shin, Paju-si (KR); DaeHeung Lee, Paju-si (KR); and YoungHoon Kim, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Dec. 6, 2022, as Appl. No. 18/075,633.
Claims priority of application No. 10-2021-0194431 (KR), filed on Dec. 31, 2021.
Prior Publication US 2023/0217701 A1, Jul. 6, 2023
Int. Cl. H10K 59/80 (2023.01); G06F 3/041 (2006.01); H10K 59/122 (2023.01); H10K 59/126 (2023.01); H10K 59/38 (2023.01); H10K 59/40 (2023.01); G06F 3/044 (2006.01)
CPC H10K 59/8792 (2023.02) [G06F 3/0412 (2013.01); H10K 59/122 (2023.02); H10K 59/126 (2023.02); H10K 59/38 (2023.02); H10K 59/40 (2023.02); H10K 59/873 (2023.02); G06F 3/04164 (2019.05); G06F 3/0446 (2019.05); G06F 2203/04111 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a display area;
a light-emitting element positioned on the substrate;
a bank comprising a first opening corresponding to the light-emitting element;
an encapsulation layer positioned on the light-emitting element;
a touch electrode positioned on the encapsulation layer;
a black matrix positioned on the touch electrode and including a first layer and a second layer, the first layer being disposed between the touch electrode and the second layer, and the second layer having a lower refractive index than the first layer; and
a color filter positioned on the touch electrode,
wherein the first layer includes a refractive index in a range of 2.1-2.7 and the second layer includes a refractive index in a range of 1.4-1.8.