US 12,274,117 B2
Light-emitting device and an electronic apparatus including same
Tsuyoshi Naijo, Yongin-si (KR); Hyunyoung Kim, Yongin-si (KR); Hyosup Shin, Yongin-si (KR); and Jiyoung Lee, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 10, 2021, as Appl. No. 17/399,013.
Claims priority of application No. 10-2020-0175824 (KR), filed on Dec. 15, 2020.
Prior Publication US 2022/0190276 A1, Jun. 16, 2022
Int. Cl. H01L 51/50 (2006.01); H10K 50/11 (2023.01); H10K 50/18 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01)
CPC H10K 50/18 (2023.02) [H10K 50/11 (2023.02); H10K 85/322 (2023.02); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/40 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 2101/10 (2023.02); H10K 2101/27 (2023.02); H10K 2101/30 (2023.02); H10K 2101/90 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a first electrode;
a second electrode facing the first electrode;
an interlayer comprising an emission layer between the first electrode and the second electrode; and
an electron transport region comprising a layer including a red dopant compound between the emission layer and the second electrode and comprising: a hole blocking layer; and an electron transport layer, an electron injection layer, or any combination thereof,
wherein the emission layer comprises a first host, a second host, a first dopant, and a second dopant.