US 11,991,903 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 Jun. 22, 2021, as Appl. No. 17/354,765.
Claims priority of application No. 10-2020-0108324 (KR), filed on Aug. 27, 2020.
Prior Publication US 2022/0069042 A1, Mar. 3, 2022
Int. Cl. H10K 59/124 (2023.01); H10K 59/40 (2023.01); H10K 77/10 (2023.01)
CPC H10K 59/124 (2023.02) [H10K 59/40 (2023.02); H10K 77/10 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a substrate and a plurality of insulating layers, a transistor layer, and a light emitting device layer on the substrate, the display panel including a display area in which an image is displayed, the display area including a first display area and a second display area; and
a light receiving device positioned behind 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 includes a number of subpixels per unit area smaller than a number of subpixels per unit area in the second display area, the number of subpixels per unit area in at least the portion of the first display area overlapping the light receiving device being a positive integer greater than or equal to 1,
wherein the first display area includes at least one non-transmissive area in which transistors of the transistor layer and light emitting devices of the light emitting device layer are located, and at least one transmissive area through which external light is transmitted to the light receiving device, and
wherein the substrate or at least one insulating layer among the plurality of insulating layers includes at least one hole or at least one uneven portion in a portion overlapping the at least one transmissive area.