US 11,968,857 B2
Display panel and display device including the same for light transmittance in light-transmitting areas and enhancing reliability of display panel
Kakyung Kim, Paju-si (KR); and Baekeun Yoo, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 22, 2021, as Appl. No. 17/532,523.
Claims priority of application No. 10-2020-0173956 (KR), filed on Dec. 14, 2020.
Prior Publication US 2022/0190050 A1, Jun. 16, 2022
Int. Cl. H10K 59/121 (2023.01); H10K 59/65 (2023.01)
CPC H10K 59/121 (2023.02) [H10K 59/65 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display panel comprising:
a first area including a plurality of first pixels; and
a second area including a pixel area including a plurality of second pixels and a plurality of light-transmitting areas disposed between the plurality of second pixels,
wherein each of the plurality of first pixels and the plurality of second pixels includes a light emitting element, and the light emitting element includes an anode layer and a plurality of cathode layers,
wherein the plurality of cathode layers disposed in the second area are disposed in areas except for the plurality of light-transmitting areas,
wherein each of the plurality of cathode layers includes a first cathode layer and a second cathode layer, and
wherein the first cathode layer is disposed to cover a corresponding pixel among the plurality of first pixels or the plurality of second pixels, the second cathode layer does not cover the corresponding pixel, and the second cathode layer is disposed to connect two adjacent first cathode layers among the plurality of cathode layers.