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

Abstract: This present invention includes novel ligands for metal complexes, which include three fused cycles or heterocycles. The first ring may be either a pyridine or a pyrimidine ring, which coordinates with the iridium metal. The second ring may be a six-membered ring, which may or may not contain nitrogen atoms. The third ring may be either a five or six membered ring. The combination of these aromatic rings provides near infrared or infrared emission in PHOLEDs devices. The bottom ring of the ligand is an alkylated cycle or heterocycle which provides a good efficiency and emission line shape.

Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.

Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.

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 phenylthienothiazole containing compounds. The compound of the present invention comprises a first phenylthienothiazole-derived ligand LA according to Formula I as described herein which is coordinated to Ir to form a 5-membered chelate ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

Abstract: Provided are compounds having a ligand LA of Formula I that are useful as emissive compounds in organic light emitting devices.

Abstract: A compound of: is disclosed. In Formula III, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sp2 hybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L? is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.

Abstract: Provided are transition metal compounds having 5-membered carbocyclic or heterocyclic ring in a unique configuration of fused rings per Formula I The compounds show improved phosphorescent emission in red to near IR region and are useful as emitter materials in organic electroluminescence device.

Abstract: Compounds are provided that comprise a ligand having a 5-substituted 2-phenylquinoline. In particular, the 2-phenylquinoline may be substituted with a cycloalkyl containing group at the 5-position. These compounds may be used in organic light emitting devices, in particular as red emitters in the emissive layer of such devices, to provide devices having improved properties.

Abstract: A metal iridium complexes, devices containing the same, and formulations including the same described. The complexes can have the formula Ir(L1)n(L2)3-n, wherein the first ligand L1 has Formula I, the second ligand L2 has Formula II, L1 is different from L2; R1 is a partially or fully deuterated group consisting of alkyl and cycloalkyl; R2 represents mono, di, tri substitutions or no substitution; R3, R4, and R5 each represent mono, di, tri, tetra substitutions or no substitution; R2 and R3 are each independently selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; R4 and R5 are each 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; and n is 1 or 2.

Abstract: Provided is a deuterated compound produced by a method that includes: heating a first compound in a solvent containing a deuterated material to an elevated temperature to generate the deuterated compound; and isolating the deuterated compound; where the first compound has at least 0.01 mg/mL solubility in the deuterated material at 25° C. Further provided are OLEDs and consumer products containing the deuterated compound.

Abstract: Compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices.

Abstract: A metal iridium complexes, devices containing the same, and formulations including the same described.

Abstract: The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.

Abstract: Novel ligands for metal complexes that are useful as phosphorescent emitters in OLEDs are disclosed. The ligands contain an aryl covalently bonded to the coordinating metal where the aryl group has at least two different alkyl side chains that are linked ortho and para compared to the linkage of the coordinating metal on that aryl group.

Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.