US 12,075,696 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 Aug. 4, 2021, as Appl. No. 17/393,822.
Claims priority of application No. 10-2020-0186023 (KR), filed on Dec. 29, 2020.
Prior Publication US 2022/0209130 A1, Jun. 30, 2022
Int. Cl. C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/13 (2023.01)
CPC H10K 85/657 (2023.02) [C07F 5/027 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); H10K 50/131 (2023.02)] 21 Claims
OG exemplary drawing
 
1. A luminescent compound having the following structure of Formula 1:

OG Complex Work Unit Chemistry
wherein each of A1 and A2 is independently an unsubstituted or substituted C4-C30 alicyclic ring, an unsubstituted or substituted C3-C30 hetero alicyclic ring, an unsubstituted or substituted C6-C30 aromatic ring or an unsubstituted or substituted C3-C30 hetero aromatic ring; A3 is an unsubstituted or substituted C6-C30 aromatic ring or an unsubstituted or substituted C3-C30 hetero aromatic ring; X is boron atom, P═O or P═S; each of Y1 and Y2 is independently CR3R4, NR3, O, S or SiR3R4; Z1 is a carbon atom, one of Z2 and Z3 is CR5 or N and the other of Z2 and Z3 is O or S, Z2 or Z3 being CR5 or N is linked to Z1 with a double bond; each of R1 and R2 is independently selected from the group consisting of protium, deuterium, halogen, a cyano group, an unsubstituted or substituted C1-C20 alkyl group, an unsubstituted or substituted C2-C20 alkenyl group, an unsubstituted or substituted C1-C20 alkoxy group, an amino group, a carboxylic group, a nitrile group, an unsubstituted or substituted C1-C20 alkyl amino group, an unsubstituted or substituted C1-C20 alkyl silyl group, an unsubstituted or substituted C1-C20 halo alkyl group, an unsubstituted or substituted C4-C30 alicyclic group, an unsubstituted or substituted C3-C30 hetero alicyclic group, an unsubstituted or substituted C6-C30 aromatic group and an unsubstituted or substituted C3-C30 hetero aromatic group, or R1 and R2 form an unsubstituted or substituted C4-C20 alicyclic ring, an unsubstituted or substituted C3-C20 hetero alicyclic ring, an unsubstituted or substituted C6-C20 aromatic ring or an unsubstituted or substituted C3-C20 hetero aromatic ring; each of R3 to R5 is independently selected from the group consisting of protium, deuterium, halogen, a cyano group, an unsubstituted or substituted C1-C20 alkyl group, an unsubstituted or substituted C2-C20 alkenyl group, an unsubstituted or substituted C1-C20 alkoxy group, an amino group, a carboxylic group, a nitrile group, an unsubstituted or substituted C1-C20 alkyl amino group, an unsubstituted or substituted C1-C20 alkyl silyl group, an unsubstituted or substituted C1-C20 halo alkyl group, an unsubstituted or substituted C4-C30 alicyclic group, an unsubstituted or substituted C3-C30 hetero alicyclic group, an unsubstituted or substituted C6-C30 aromatic group and an unsubstituted or substituted C3-C30 hetero aromatic group.