US 12,137,605 B2
Organic electroluminescent materials and devices
Jui-Yi Tsai, Newtown, PA (US); Pierre-Luc T. Boudreault, Pennington, NJ (US); Morgan C MacInnis, Yardley, PA (US); Alexey Borisovich Dyatkin, Ambler, PA (US); Llorenç Benavent, Saragossa (ES); Miguel A. Esteruelas, Saragossa (ES); Ana M. Lopez, Saragossa (ES); and Enrique Onate, Saragossa (ES)
Assigned to Universal Display Corporation
Filed by Universal Display Corporation, Ewing, NJ (US)
Filed on Aug. 10, 2021, as Appl. No. 17/398,619.
Application 17/398,619 is a continuation in part of application No. 16/785,193, filed on Feb. 7, 2020, granted, now 11,370,809.
Claims priority of provisional application 62/802,918, filed on Feb. 8, 2019.
Prior Publication US 2021/0384449 A1, Dec. 9, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/00 (2006.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/342 (2023.02) [C07F 15/0033 (2013.01); C09K 11/06 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A compound comprising a hexadentate ligand of Formula I coordinated to a metal selected from the group consisting of iridium, rhodium, and osmium;

OG Complex Work Unit Chemistry
wherein
rings A, B, C, D, E, and F are independently a 5-membered or 6-membered heteroaryl ring, or a 6-membered aryl ring;
T1, T2, T3, T4, T5, and T6 are independently selected from C or N, wherein two to four of T1 to T6 are C, and two to four of T1 to T6 are N;
Z1, Z2, Z3, and Z4 are independently selected from C or N, wherein if Z1 and Z2 are each N then T1 is a carbene carbon and two of T2 to T6 are N;
Y1 and Y2 are independently selected from the group consisting of CR, SiR, B, or N;
W1-W7 are independently selected from the group consisting of a direct bond, BR, BRR′, NR, PR, O, S, Se, C═X, S═O, SO2, CR, CRR′, SiRR′, GeRR′, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof;
wherein X is selected from the group consisting of O, S, Se, NR′, and CR″R′″;
RA to RF independently represent mono to the maximum allowable substitution, or no substitution;
each R, R′, R″, R′″, and RA to RF is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, boryl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, selenyl, and combinations thereof, and any two adjacent substituents R, R′, R″, R′″, and RA to RF are optionally joined to form a fused ring.