US 12,035,553 B2
Light-emitting device and electronic apparatus comprising light-emitting device
Hyeongpil Kim, Yongin-si (KR); Jungmin Kang, Yongin-si (KR); Kyungsik Kim, Yongin-si (KR); Seokgyu Yoon, Yongin-si (KR); Jaeyong Lee, Yongin-si (KR); and Kunwook Cho, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on May 4, 2021, as Appl. No. 17/307,451.
Claims priority of application No. 10-2020-0135522 (KR), filed on Oct. 19, 2020.
Prior Publication US 2022/0123250 A1, Apr. 21, 2022
Int. Cl. H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/12 (2023.01); H10K 59/38 (2023.01)
CPC H10K 50/15 (2023.02) [H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 59/12 (2023.02); H10K 59/38 (2023.02)] 23 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a first electrode;
a second electrode facing the first electrode; and
an interlayer between the first electrode and the second electrode, the interlayer comprising an emission layer,
wherein the first electrode is doped with a metal oxide having a work function of less than about −5.05 electron volts (eV), and
a layer comprising a halide of a lanthanide is between the first electrode and the emission layer.