US 12,391,700 B2
Organic light emitting diode and organic light emitting device including the same
Young-Jun Yu, Paju-si (KR); Sang-Beom Kim, Paju-si (KR); Do-Han Kim, Paju-si (KR); Jeong-Dae Seo, Paju-si (KR); Chi-Sik Kim, Hwaseong-si (KR); Kyoung-Jin Park, Hwaseong-si (KR); Soo-Yong Lee, Hwaseong-si (KR); and Seung-Hoon Yoo, Hwaseong-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR); and DUPONT SPECIALTY MATERIALS KOREA LTD., Cheonan-si (KR)
Filed by LG DISPLAY CO., LTD., Seoul (KR); and ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD., Cheonan-si (KR)
Filed on Nov. 30, 2021, as Appl. No. 17/538,294.
Claims priority of application No. 10-2020-0186055 (KR), filed on Dec. 29, 2020.
Prior Publication US 2022/0209131 A1, Jun. 30, 2022
Int. Cl. H01L 51/50 (2006.01); C07C 15/28 (2006.01); C07D 209/86 (2006.01); C07D 491/048 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/19 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 102/00 (2023.01)
CPC H10K 85/657 (2023.02) [C07C 15/28 (2013.01); C07D 209/86 (2013.01); C07D 491/048 (2013.01); C09K 11/06 (2013.01); H10K 85/626 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); C07B 2200/05 (2013.01); C07C 2603/24 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/19 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02); H10K 2102/351 (2023.02)] 19 Claims
OG exemplary drawing
 
1. An organic light emitting diode, comprising:
a first electrode;
a second electrode facing the first electrode;
a first emitting part including a green emitting material layer and positioned between the first and second electrodes, the green emitting material layer including a first host, a second host and a dopant;
a second emitting part including a first blue emitting material layer and positioned between the first electrode and the first emitting part;
a first charge generation layer including a P-type charge generation material and positioned between the first emitting part and the second emitting part;
a third emitting part including a second blue emitting material layer and positioned between the first emitting part and the second electrode; and
a second charge generation layer positioned between the first emitting part and the third emitting part,
wherein the first host is represented by Formula 1-1:

OG Complex Work Unit Chemistry
wherein
D denotes a deuterium atom,
X is oxygen or sulfur,
a1 is an integer of 0 to 10,
wherein b1 is an integer of 0 to 4, and
each of c1 and d1 is independently an integer of 0 to 5,
wherein the second host is represented by Formula 2-1:

OG Complex Work Unit Chemistry
wherein a2 is an integer of 0 to 14, and
each of b2 and c2 is independently an integer of 0 to 9, and
wherein at least one of a1, a2, b1, b2, c1, c2 and d1 is a positive integer.
 
17. An organic light emitting device, comprising:
a substrate; and
an organic light emitting diode positioned on the substrate and including a first electrode, a second electrode facing the first electrode, a first emitting part including a green emitting material layer and positioned between the first and second electrodes, a second emitting part including a first blue emitting material layer and positioned between the first electrode and the first emitting part, a first charge generation layer including a P-type charge generation material and positioned between the first emitting part and the second emitting part, a third emitting part including a second blue emitting material layer and positioned between the first emitting part and the second electrode, and a second charge generation layer positioned between the first emitting part and the third emitting part,
the green emitting material layer including a first host, a second host and a dopant,
wherein the first host is represented by Formula 1-1:

OG Complex Work Unit Chemistry
wherein X is oxygen or sulfur, a1 is an integer of 0 to 10,
wherein b1 is an integer of 0 to 4, and each of c1 and d1 is independently an integer of 0 to 5,
wherein the second host is represented by Formula 2-1:

OG Complex Work Unit Chemistry
wherein a2 is an integer of 0 to 14, and each of b2 and c2 is independently an integer of 0 to 9, and
wherein at least one of a1, a2, b1, b2, c1, c2 and d1 is a positive integer.