US 12,114,518 B2
Electroluminescent device, manufacturing method thereof, and display device comprising the same
Sung Woo Kim, Hwaseong-si (KR); Chan Su Kim, Seoul (KR); Tae Ho Kim, Seongnam-si (KR); Kun Su Park, Seongnam-si (KR); Eun Joo Jang, Suwon-si (KR); Jin A Kim, Suwon-si (KR); Tae Hyung Kim, Seoul (KR); and Jeong Hee Lee, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 27, 2021, as Appl. No. 17/511,706.
Application 17/511,706 is a continuation of application No. 16/351,654, filed on Mar. 13, 2019, granted, now 11,233,211.
Claims priority of application No. 10-2018-0029942 (KR), filed on Mar. 14, 2018; and application No. 10-2019-0028358 (KR), filed on Mar. 12, 2019.
Prior Publication US 2022/0052288 A1, Feb. 17, 2022
Int. Cl. H10K 50/11 (2023.01); H10K 30/10 (2023.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 85/60 (2023.01)
CPC H10K 50/11 (2023.02) [H10K 30/10 (2023.02); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 85/649 (2023.02)] 19 Claims
OG exemplary drawing
 
1. An electroluminescent device, comprising
a first electrode and a second electrode facing each other;
an emission layer disposed between the first electrode and the second electrode, the emission layer comprising light emitting particles;
an electron transport layer disposed between the first electrode and the emission layer; and
a hole transport layer disposed between the second electrode and the emission layer,
wherein the electron transport layer comprises
inorganic oxide particles and
a metal-organic compound or a thermal decomposition product of the metal-organic compound, and
wherein the metal-organic compound comprises an oleate compound.