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 compound is disclosed that includes a ligand LA of Formula I where ring C is a 5-membered or a 6-membered carbocyclic or heterocyclic ring; each RA, RB, and RC independently represents mono to the maximum allowable number of substitutions, or no substitution; LA is complexed to a metal M; M is optionally coordinated to other ligands; the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and any two substituents of RB and RC may be joined or fused together to form a ring.

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

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: 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: A novel compound is disclosed which includes a ligand LA of Formula II, wherein: ring B is independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; X1 to X4 are each independently selected from the group consisting of C, N, and CR; at least two adjacent ones of X1, X2, X3, and X4 are CR and fused into a five or six-membered aromatic ring R3 represents zero, mono, or up to a maximum allowed substitutions to its associated ring; each R, R1, and R3 is independently hydrogen or a General Substituent defined herein; R2 is a General Substituent defined herein; and two substituents can be joined or fused to form a ring; the ligand LA is complexed to a metal M through the two indicated dash lines of each Formula; and the ligand LA can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand.

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.

Abstract: A phosphorescent emitter compound having a first ligand LA having a Formula I, is disclosed. An OLED having the compound incorporated therein is also disclosed.

Abstract: A phosphorescent metal complexes containing a ligand LA having the formula selected from is disclosed.

Abstract: A compound is disclosed that includes a ligand LA of Formula I where ring C is a 5-membered or a 6-membered carbocyclic or heterocyclic ring; each RA, RB, and RC independently represents mono to the maximum allowable number of substitutions, or no substitution; LA is complexed to a metal M; M is optionally coordinated to other ligands; the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and any two substituents of RB and RC may be joined or fused together to form a ring.

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: A novel compound is disclosed which includes a ligand LA of Formula II, wherein: ring B is independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; X1 to X4 are each independently selected from the group consisting of C, N, and CR; at least one pair of adjacent X1 to X4 are each C and fused to Formula V where indicated by “”; X5 to X12 are each independently C or N; the maximum number of N within a ring is two; Z and Y are each independently selected from the group consisting of O, S, Se, NR?, CR?R?, SiR?R?, and GeR?R?; RB and RC each independently represents zero, mono, or up to a maximum allowed substitutions to its associated ring; each of RB, RC, R, R?, and R? is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, su

Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, Ring A is a 5-membered or 6-membered ring, and moiety G has a structure of where the dashed line marked with * is coordinated to Ir; the dashed line marked with # is bonded to Ring A; Y is selected from the group consisting of BR, BRR?, NR, PR, O, S, Se, C?O, C?S, C?Se, C?NR, C?CRR?, S?O, SO2, CR, CRR?, SiRR?, and GeRR?. Formulations, OLEDs, and consumer products containing the compound are also provided.

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

Abstract: A compound having a formula (LA)mIr(LB)3-m having a structure selected from is disclosed. In the structures of formula (LA)mIr(LB)3-m, m is 1 or 2, R1, R2, R3, R4, and R5 are each independently selected from hydrogen, deuterium, C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof, and, R6 is selected from C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof.

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: Provided are metalloorganic and organic compounds comprising a multicyclic system wherein a central nitrogen atom is part of two 5-membered rings which are fused together, and which are further fused together with three 6-membered aromatic rings. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these compounds and compositions.