US 11,871,594 B2
Electroluminescent device, and display device comprising thereof
Sung woo Kim, Hwaseong-si (KR); Moon Gyu Han, Suwon-si (KR); Eun joo Jang, Suwon-si (KR); and Kun su Park, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 19, 2022, as Appl. No. 18/047,675.
Application 18/047,675 is a continuation of application No. 17/079,319, filed on Oct. 23, 2020, granted, now 11,495,766.
Claims priority of application No. 10-2019-0132890 (KR), filed on Oct. 24, 2019.
Prior Publication US 2023/0061360 A1, Mar. 2, 2023
Int. Cl. H01L 51/50 (2006.01); H10K 50/165 (2023.01); C09K 11/88 (2006.01); H10K 50/15 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 50/115 (2023.01); H10K 50/16 (2023.01); H10K 85/60 (2023.01); G09G 3/32 (2016.01); H10K 101/30 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/165 (2023.02) [C09K 11/88 (2013.01); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 50/166 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 85/60 (2023.02); G09G 3/32 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0272 (2013.01); H10K 2101/30 (2023.02); H10K 2102/331 (2023.02)] 18 Claims
OG exemplary drawing
 
1. An electroluminescent device comprising
a first electrode and a second electrode each having a surface opposite the other;
a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer comprising quantum dots; and
an electron transport layer disposed between the light emitting layer and the second electrode, the electron transport layer comprising doped metal oxide nanoparticles,
wherein the doped nanoparticles comprise a dopant comprising P, N, C, Cl, F, Br, S, or a combination thereof, that is chemically bound to a metal of the metal oxide.