US 12,391,873 B2
Organic electroluminescent materials and devices
Tyler Fleetham, Yardley, PA (US); Rasha Hamze, Philadelphia, PA (US); and Jason Brooks, Philadelphia, PA (US)
Assigned to UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US)
Filed by UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US)
Filed on Oct. 14, 2021, as Appl. No. 17/501,098.
Claims priority of provisional application 63/107,244, filed on Oct. 29, 2020.
Claims priority of provisional application 63/105,845, filed on Oct. 26, 2020.
Prior Publication US 2022/0135597 A1, May 5, 2022
Int. Cl. C09K 11/06 (2006.01); C07D 403/04 (2006.01); C07F 5/02 (2006.01); C07F 7/08 (2006.01); C09K 11/02 (2006.01); H10K 50/11 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01)
CPC C09K 11/06 (2013.01) [C07D 403/04 (2013.01); C07F 5/02 (2013.01); C07F 5/027 (2013.01); C07F 7/0816 (2013.01); C09K 11/02 (2013.01); H10K 85/322 (2023.02); H10K 85/40 (2023.02); H10K 85/623 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/658 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1022 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A compound of Formula I

OG Complex Work Unit Chemistry
wherein:
each of YA, YB, and YC is independently O, S, Se, CRR′, or SiRR′;
n is 0 or 1, with YC being not present when n=0, while X7 and X8 are both C when n=1;
each of X1-X11 is independently C or N;
each of RA, RB, and RC independently represents zero, mono, or up to the maximum allowed number of substitutions to its associated ring;
each of R, R′, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
any two adjacent R, R′, RA, RB, or RC can be joined or fused together to form a ring, wherein at least one of RA, RB, and RC comprises an N-containing moiety with each N atom forming three σ bonds with its adjacent atoms, and all the three σ bonds being within one or more cyclic groups.