US 11,917,843 B2
Organic electroluminescent materials and devices
Zhiqiang Ji, Ewing, NJ (US); and Bin Ma, Ewing, NJ (US)
Assigned to Universal Display Corporation, Ewing, NJ (US)
Filed by Universal Display Corporation, Ewing, NJ (US)
Filed on Jun. 21, 2018, as Appl. No. 16/014,245.
Claims priority of provisional application 62/537,046, filed on Jul. 26, 2017.
Prior Publication US 2019/0036059 A1, Jan. 31, 2019
Int. Cl. C07C 13/62 (2006.01); C07D 487/06 (2006.01); C07D 487/16 (2006.01); C07D 487/22 (2006.01); C07D 493/14 (2006.01); C07D 493/16 (2006.01); C07D 493/22 (2006.01); C07D 495/06 (2006.01); C07D 495/14 (2006.01); C07D 495/16 (2006.01); C07D 495/22 (2006.01); C07D 519/00 (2006.01); C09K 11/06 (2006.01); H10K 101/10 (2023.01); H10K 101/40 (2023.01); H10K 50/00 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 50/828 (2023.01); H10K 85/60 (2023.01)
CPC H10K 50/12 (2023.02) [C07C 13/62 (2013.01); C07D 487/06 (2013.01); C07D 487/16 (2013.01); C07D 487/22 (2013.01); C07D 495/06 (2013.01); C07D 495/16 (2013.01); C07D 495/22 (2013.01); C07D 519/00 (2013.01); H10K 50/11 (2023.02); H10K 50/171 (2023.02); H10K 50/828 (2023.02); H10K 85/624 (2023.02); H10K 85/625 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07C 2603/54 (2017.05); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02); H10K 2101/40 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A compound selected from formula I or formula II

OG Complex Work Unit Chemistry
wherein X1 to X8 are independently selected from N or C;
Y1 to Y4 are independently selected from the group consisting of O, S, Se, CRR′, and NR;
a, b, c, d, e, f, and g is an integer independently selected from 0 or 1; wherein two of a, b, and c are 1; and
one of d, e, f, and g is 1, or three of d, e, f, and g are 1;
wherein R1 to R7 represent monosubstitution, to the maximum allowable substitution, or no substitution;
wherein R, R′, and each of R1 to R7 are independently selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, cyclic amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
two groups R1, two groups R2, two groups R3, two groups R4, two groups R5, two groups R6, and two groups R7 can optionally join to form a ring;
wherein at least one of R1 to R7 comprises a group selected from the group consisting of

OG Complex Work Unit Chemistry
and combinations thereof;
wherein X9 to X24 are independently selected from N or CR; and
Z is selected from the group consisting of CRR′, NR, N, O, S, and Se.