US 12,268,083 B2
Luminescent compound, organic light emitting diode and organic light emitting device having the compound
Su-Na Choi, Paju-si (KR); In-Bum Song, Paju-si (KR); and Jeong-Dae Seo, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Sep. 9, 2021, as Appl. No. 17/470,859.
Claims priority of application No. 10-2020-0186021 (KR), filed on Dec. 29, 2020.
Prior Publication US 2022/0209118 A1, Jun. 30, 2022
Int. Cl. H10K 85/30 (2023.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/19 (2023.01); H10K 59/38 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/322 (2023.02) [C07F 5/027 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/19 (2023.02); H10K 59/38 (2023.02); H10K 2101/10 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A luminescent compound having the following structure of Formula 3:

OG Complex Work Unit Chemistry
wherein Z21 is O or S; Z22 to Z24 form a 5-membered hetero aromatic ring, Z22 is S, Z23 is CR27, and Z24 is CR28; each of R21 to R24 is independently selected from the group consisting of protium, deuterium, or an unsubstituted or substituted C1-C20 alkyl group, when a is two or more, each R21 is identical to or different from each other, when b is two or more, each R22 is identical to or different from each other; R27 and R28 form an unsubstituted or substituted benzene ring; each of a, b, c and d is a number of substituent R21, R22, R23 and R24, respectively, each of a and b is independently an integer of 0 to 5, c is an integer of 0 and d is an integer of 0.