Abstract: A compound of formula Ir(LA)x(LB)y(LC)z, where LA has structure comprising Formula I, is provided. In Formula I, each of X3 to X7 is N or CR; Z is an electron-withdrawing group; Y is a linking group; each R, R?, R3, R4, R5, RA, and RB is hydrogen or a General Substituent defined herein; and each R1 and R2 is a substituent comprising at least one carbon atom. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: Provided are compounds of Formula Ir(LA)x(LC)y wherein: ligand LA has Formula I? ?and ligand LC has Formula II?

Abstract: The present disclosure provides a compound having a first ligand LA of Formula I, In Formula I, each of Z1, Z2, and X1 to X4 is C or N; moiety A is a monocyclic ring or a polycyclic fused ring system; moiety C is a monocyclic ring or a polycyclic fused ring system; K is selected from the group consisting of a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); Y is a linking group; each R, R?, R?, R?, R1, R2, and R3 is hydrogen or a General Substituent defined herein; wherein one of the statements as defined herein is true. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: The disclosure provides a compound having a Formula Ir(LA)x(LB)y(Lc)z or Ir(LA?)p(LB)q(Lc)r, wherein: LA has a structure of Formula IA ?LA? comprising a structure of Formula III: ?LB has a structure of Formula IB: ?LC is a bidentate ligand; and a structure of Formula II, ?is fused to at least one of moieties A, B, C, D, or ring H. Formulations, OLEDs, and consumer products containing the same are also provided.

Abstract: A compound of Formula Ir(LA)x(LB)y(LC)z is provided where x and y are independently 1 or 2; z is 0 or 1; and x+y+z=3; first ligand LA includes a structure of Formula I, ligand LB includes a structure of Formula II: and ligand LC is a bidentate ligand. In the compounds, moiety B is a polycyclic fused ring system comprising at least four rings; each of moiety C and moiety D is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 to Z6 is C or N; L0 is a direct bond or a linking group; YA is a linking group; each substituent is hydrogen or a General Substituent defined herein; and any two substituents may be joined or fused to form a ring. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound having a first ligand LA including a structure of Formula I, where at least one RA or RB includes comprises a structure of Formula II, is provided. In Formulas I and II, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; ring C is a 4- to 10-membered heterocyclic ring; XC is CRC1; X is Si or Ge; each of X1 to X4, Z1, and Z2 is C or N; L is a direct bond or a linker, each of K1, K2, and LK is a direct bond or a linker, each R moiety is hydrogen or a General Substituent defined herein; and LA is coordinated to a metal M, having an atomic mass of at least 40. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A compound having a first ligand LA comprising a structure of Formula I, where at least one of moiety B or moiety C has a structure of Formula II, fused thereto. In the compound, each of moiety A and moiety B is a carbocyclic or heterocyclic ring; each of moiety D, moiety E and, if present, moiety C is a monocyclic ring or a polycyclic fused ring system; if moiety A is a 6-membered ring and moiety B is a 5-membered ring, then moiety C is present; each of Z1 to Z6 is independently C or N; L1 is a direct bond or a linking group; Y is a linking group; each of K1 and K2 is a direct bond or a linking group; each substituent is hydrogen or a General Substituent defined herein; and LA is coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: A homoleptic or heteroleptic compound of Formula Ir(LA)x(LB)y(LC)z is provided where LA comprises a structure of Formula I, LB comprises a structure of Formula II, and LC comprises a structure of Formula III, In Formula I, Formula II, and Formula III, each of Z1 to Z12 is C or N; each of moiety A, and moiety C to moiety F is a monocyclic ring or a polycyclic fused ring system; at least one of RA to RF comprises a cyano-substituted alkyl; each RA to RF is hydrogen or a General Substituent defined herein; and at least one of the following is true: (1) moiety B is comprised of four or more fused rings; (2) moiety B is comprised of three fused rings, and at least one RA or RB is a cyclic group. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: The present disclosure provides a metal coordination complex compound. The metal complex compound is capable of functioning as an emitter in an organic light emitting device (OLED) at room temperature, and has a vertical dipole ratio (VDR) greater than 0.33 in the OLED. Formulations, OLEDs, and consumer products including the same are also provided.

Abstract: A compound including a first ligand LA of Formula I, is disclosed. In Formula I, ring B is a 5- or 6-membered ring; X1, X2, and X3 are each CRA or N; R is a 5- or 6-membered carbocyclic or heterocyclic ring, which can be further fused or substituted; and (1) when ring B is an unfused 6-membered ring, X1 and X2 are N, and X3 is C; and (2) when ring B is a fused 6-membered ring, ring B has the structure of Formula II, In this structure, the wavy line indicates the point of connection to ring A; Q1 to Q6 are each C or N; and, when proviso (2) applies, (I) at least one of X1, X2, and X3 is N; or (II) R is two or more fused or unfused 5- or 6-membered carbocyclic or heterocyclic rings, or (III) both.

Abstract: A compound including a first ligand LA of Formula I, is disclosed. In Formula I, ring B is a 5- or 6-membered ring; X1, X2, and X3 are each CRA or N; R is a 5- or 6-membered carbocyclic or heterocyclic ring, which can be further fused or substituted; and (1) when ring B is an unfused 6-membered ring, X1 and X2 are N, and X3 is C; and (2) when ring B is a fused 6-membered ring, ring B has the structure of Formula II, In this structure, the wavy line indicates the point of connection to ring A; Q1 to Q6 are each C or N; and, when proviso (2) applies, (I) at least one of X1, X2, and X3 is N; or (II) R is two or more fused or unfused 5- or 6-membered carbocyclic or heterocyclic rings, or (III) at least ring A or R is substituted with a partially or fully deuterated alkyl or partially or fully deuterated cycloalkyl group.

Abstract: A compound comprising Formula I, is provided. In Formula I, M is Pd or Pt; each of X5 to X12, Z1, and Z2 is C or N; Y1, A1, and A2 are C or a heteroatom; if Y1 is O, S, or Se, then A2 and R3 are absent; K, L1, and L2 are a direct bond or a linking group; R1 is a General Substituent defined herein; each R, R?, R?, R?, R2, R3, RA, RB, RC, RD, and RE is hydrogen or a General Substituent defined herein; and (1) one pair of RA, one pair of RB, or one pair of RE substituents join to form a 6-membered ring; or (2) L2 is NR, and R joins with an RE substituent to form a structure of Formula II, Formulations, OLEDs, and consumer products containing the same are also provided.

Abstract: Provided are organometallic compounds comprising a ligand which is at least a two-dentate ligand which comprises at least one 5-membered nitrogen containing heterocyclic ring, the nitrogen of which is bonded to the central metal atom. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.

Abstract: Provided are organometallic compounds including a ligand LA 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 comprising an Ir as the central metal atom which is coordinated by three ligands LA, LB, and LC, wherein ligands LA and LB comprise at least two rings. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.

Abstract: A compound having a formula of Ir(LA)n(LB)m(LC)o is provided, where LA has a structure of Formula IA, LB has a structure of Formula IB, and LC is a bidentate ligand. In formula Ir(LA)n(LB)m(LC)o, Formula IA, and Formula IB: m, n, and o are integers and their sum is 3; each of Z1, Z2, Z3, Z4, and X1 to X12 is C or N; each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; the ring comprising Z3 and Z4 is a 5-membered heterocyclic ring; Y is as linking group; each R, R?, R?, R1, R2, R3, R4, and R5 is hydrogen or a General Substituent; and at least one pair of R1 or one pair of R2 are joined to form moiety I, which is a heterocyclic moiety. Formulations, OLEDs, and consumer products containing the compound are also provided.

Abstract: An organic electroluminescent device (OLED) comprising an anode; a cathode; and an emissive region comprising a first emissive layer disposed between the anode and the cathode is provided. The OLED further comprises a microcavity structure, the first emissive layer comprises a first emitter, which is a phosphorescent emitter or a fluorescent emitter; the first emissive layer emits a first luminescent radiation when a voltage is applied across the OLED; the first emissive layer has a photoluminescent spectrum with a peak emission wavelength ?max, a first area T, and a second area M; the OLED has a luminance at normal incidence l0, and a luminance at 60 degrees from normal incidence l60; and one of the following conditions is true: the first emitter is a phosphorescent emitter where M/T ratio?0.38 and l60/l0?15%; or??(1) the first emitter is a fluorescent emitter where M/T ratio?0.42 and l60/l0?25%.

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.

Abstract: Provided are organometallic compounds comprising a ligand which is at least a two-dentate ligand which comprises at least one 5-membered nitrogen containing heterocyclic ring, the nitrogen of which is bonded to the central metal atom. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.

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