US 11,700,765 B2
Organic electroluminescent materials and devices
Hsiao-Fan Chen, Lawrence Township, NJ (US); Jason Brooks, Philadelphia, PA (US); Douglas Williams, Mullica Hill, NJ (US); Charles J. Stanton, III, Wilmington, DE (US); Eugene S. Gutman, Philadelphia, PA (US); and Wei Bao, Hockessin, DE (US)
Assigned to UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US)
Filed by Universal Display Corporation, Ewing, PA (US)
Filed on May 27, 2020, as Appl. No. 16/884,545.
Application 16/884,545 is a continuation in part of application No. 16/217,467, filed on Dec. 12, 2018.
Claims priority of provisional application 62/615,729, filed on Jan. 10, 2018.
Prior Publication US 2020/0295281 A1, Sep. 17, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 11/02 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07F 15/00 (2006.01); H01L 51/50 (2006.01)
CPC H01L 51/0087 (2013.01) [C07F 15/0086 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); C09K 2211/104 (2013.01); C09K 2211/1022 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H01L 51/5016 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A compound selected from the group consisting of: a structure having Formula I

OG Complex Work Unit Chemistry
and a structure having Formula II

OG Complex Work Unit Chemistry
wherein rings A and B are each independently a 5- or 6-membered carbocyclic or heterocyclic ring;
wherein M is Pt or Pd;
wherein T1 and T2 are C;
wherein X1—X5, Z1, and Z2 are each independently selected from the group consisting of carbon and nitrogen;
wherein each RA, RB, RC, and RD represents mono to a maximum possible number of substitutions, or no substitution;
wherein Y1 is selected from the group consisting of CRR′, SiRR′, GeR″R″′, BR, NR, O, and S;
wherein Y2 and Y3 are each selected from the group consisting of CRR′, SiRR′, BR, NR, O, and S;
wherein if one of Y2 and Y3 is O, S, or NR, the other is not O, S, or NR;
wherein L1 and L2 are each independently selected from the group consisting of BR, NR, PR, O, S, Se, C═O, S═O, SO2, CRR′, SiRR′, GeRR′, alkyl, cycloalkyl, and combinations thereof;
wherein R1, R2, R, R′, RA, RB, RC, and RD are each independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein R″ and R′″ are each independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heterocycloalkyl, arylalkyl, amino, aryl, heteroaryl, ether, and combinations thereof;
wherein n1 and n2 are each independently 0 or 1;
wherein when n1 or n2 is 0, corresponding L1 or L2 is not present;
wherein n1+n2 is at least 1;
wherein when Y1 is BR or SiRR′, n2 in Formula I is 1; and
wherein any two substituents may be joined or fused together to form a ring.