US 12,414,439 B2
Display device
YuHo Jung, Gyeonggi-do (KR); and DukYoung Jeong, Seoul (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG DISPLAY CO., LTD., Seoul (KR)
Filed on Apr. 23, 2024, as Appl. No. 18/643,839.
Application 18/643,839 is a continuation of application No. 17/354,765, filed on Jun. 22, 2021, granted, now 11,991,903.
Claims priority of application No. 10-2020-0108324 (KR), filed on Aug. 27, 2020.
Prior Publication US 2024/0276796 A1, Aug. 15, 2024
Int. Cl. H10K 59/121 (2023.01); H10K 59/124 (2023.01); H10K 59/40 (2023.01); H10K 59/65 (2023.01); H10K 59/80 (2023.01); H10K 77/10 (2023.01)
CPC H10K 59/121 (2023.02) [H10K 59/124 (2023.02); H10K 59/40 (2023.02); H10K 59/879 (2023.02); H10K 77/10 (2023.02); H10K 59/65 (2023.02); H10K 59/873 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a display area in which an image is displayed, the display area having a first display area and a second display area, the display panel further including:
a plurality of substrates,
at least one metal layer disposed on or over the plurality of substrates,
a transistor disposed over the at least one metal layer and including an active layer and a gate electrode,
a plurality of insulating layers disposed on or over the transistor,
a pixel electrode disposed on the plurality of insulating layers,
a bank and a light emitting layer disposed on the pixel electrode,
an encapsulation layer disposed on or over the bank and the light emitting layer, and
a touch sensor disposed over the encapsulation layer; and
a light receiving device positioned under the display panel and overlapping with the first display area,
wherein at least a portion of the first display area overlapping the light receiving device comprises a number of subpixels per unit area different from a number of subpixels per unit area in the second display area, and the number of subpixels per unit area in at least the portion of the first display area overlapping the light receiving device equals to a positive integer greater than or equal to 1.