Abstract: Provided are organometallic compounds having a formula Ir(LA)(LB)(LC), wherein: ligand LA is ligand LB is and ligand LC is Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: Iridium complexes containing hexadentate ligands are disclosed. Multidentate iridium complexes of Formula II showed desired properties in term of EQE, LT, CIE, etc.

Abstract: Provided are organometallic compounds including a ligand LA of a structure of Formula I Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: A compound including a first ligand LA selected from the following group: is disclosed.

Abstract: A compound of Formula (LA)n-M-(LC)m, wherein the ligand LA is of Formula I, and the ligand LC is selected from Formula I that is different than ligand LA, a monoanionic bidentate ligand, or a monoanionic monodentate ligand. M is a metal; and n is 1 or 2, and m is 0, 1 or 2. Ring A is a 5-membered or 6-membered heteroaryl ring, which is bonded to Ring B; Z is selected from O or S; Z1 is selected from a carbene C or N; and Z2 is selected from C or N. Moreover, two adjacent ring carbons of Ring B will form a group of formula D, wherein * represents the point of attachment to the two adjacent ring carbons, Formula D, wherein X is selected from NRN, O, S, or Se; and RN is selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, heteroalkyl, aryl, heteroaryl, and combinations thereof; and Y1, Y2, Y3, and Y4 are independently CRY1, CRY2, CRY3, and CRY4, respectively, or N, and Ring D has no more than two nitrogen ring atoms.

Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.

Abstract: A compound having the formula Ir(LA)(LB), where LA has a structure of Formula I and LB is a bidentate ligand is disclosed. In the structure of Formula I, rings A, B, C, and D are each independently 5- or 6-membered carbocyclic or heterocyclic rings; each of Z1 to Z8 is C or N; LA has at least one Ir—C bond; L is CR or N; each R1 R2, R3, and R4 is independently hydrogen or one of the preferred general substituents; and any two substituents may be joined or fused together to form a ring. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.

Abstract: Provided are organometallic compounds having Formula I: Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: Provided are organometallic compounds of Formula I Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: A compound having a first ligand LA having the Formula: Formula I is disclosed, wherein rings A is a 5- or 6-membered carbocyclic or heterocyclic ring; wherein RA and RB each independently represent mono to the possible maximum number of substitution, or no substitution; wherein Z1 is carbon or nitrogen; wherein each RA and RB is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; wherein any two substituents are optionally joined or fused into a ring; wherein X1 to X4 each independently represent a carbon or nitrogen; wherein at least one of X1 to X4 is nitrogen; wherein the ligand LA is coordinated to a metal M; wherein the metal M can be coordinated to other ligands; and wherein the ligand LA is optionally l

Abstract: Provided are Platinum and Iridium complexes with spiro[4.4]nonane and analogs—including ligands. Also provided are formulations including these Platinum and Iridium complexes with spiro[4.4]nonane and analogs—including ligands. Further provided are OLEDs and related consumer products that utilize these Platinum and Iridium complexes with spiro[4.4]nonane and analogs—including ligands.

Abstract: A compound of Formula I or Formula II wherein Y is selected from the group consisting of O, S, and NRN; and (a) L1 and L2 are the same or different and are each a mono-anionic bidentate ligand; and R is selected from the group consisting of hydrogen, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; or (b) R joins with L1 of the Formulae I or II to form a ring B1 of formula B and formula C, respectively, and L2 is L3 and L3 is a tridentate ligand of formula D wherein ring C, ring D, and ring E are each independently selected from the group consisting a 5-membered aryl, a 5-membered heteroaryl, a 6-membered aryl, and a 6-membered heteroaryl; X1 to X4 are independently selected from C or N, and no more than two of the X1 to X4 is N; Z1 to Z7 are

Abstract: Provided are a compound including a ligand LA of Formula I that are useful as emitters in organic light emitting devices.

Abstract: A compound including a first ligand LX of Formula II is disclosed, where F is a 5-membered or 6-membered carbocyclic or heterocyclic ring; each RF and RG independently represents mono to the maximum possible number of substitutions, or no substitution; Z3 and Z4 are each independently C or N and coordinated to a metal M to form a 5-membered chelate ring; G is a fused ring structure comprising five or more fused heterocyclic or carbocyclic rings, of which one or two rings are of Formula III the fused heterocyclic or carbocyclic rings in the fused ring structure G are 5-membered or 6-membered; of which if two or more 5-membered rings are present, at least two of the 5-membered rings are fused to one another; Y can be one of BR?, NR?, PR?, O, S, Se, C?O, S?O, SO2, CR?R?, SiR?R?, and GeR?R?; the metal M can be coordinated to other ligands; and the ligand LX can be linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand.

Abstract: A compound having a structure of Formula I In Formula I, M is Pd or Pt; each of X1 to X12 is independently C or N; ring A is a 5-membered or 6-membered ring; K1 and K2 are selected from a direct bond, O, S, and NR; L1 is an organic linker; Y1 is selected from O, S, BR, PR, Se and NRY; each R, R?, R?, RL, RY, RA, RB, RC, and RD is hydrogen or a substituent; and any two substituents can be joined or fused to form a ring. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: A compound having a structure of Formula I, is provided. In Formula I, X1-X7, Z1 and Z2 are each independently C or N; Z3 is selected from BR?, NR?, PR?, O, S, Se, C?O, S?O, SO2, CR?R?, SiR?R?, and GeRR?; L is selected from O, S, and NR; C1, C2, and C3 are all carbon atoms; the bonds represent single bond or double bond to fulfill the valency requirement of a neutral compound; each R1, R2, R3, R, R?, R?, RA, and RB is independently hydrogen or a substituent; and any two of R1, R2, R3, R, R?, R?, RA, and RB can be joined or fused together to form a ring. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: Provided are organometallic compounds of formula Os(LA)x(LB)y(LC)z, where LA has a structure of Formula I with the two indicated dashed lines for coordination to Os: Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: Provided are organometallic compounds having a structure of Formula I: Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: Provided are organometallic compounds including a ligand LA of a structure of Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Abstract: Provided are organometallic compounds including a ligand LA having a structure of Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.