Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed. The first and second compounds can have an evaporation temperature T1 and T2, respectively, of 150 to 350° C., and the absolute value of T1-T2 can be less than 20° C. The first compound can have a concentration C1 in the mixture and a concentration C2 in a film formed by evaporating the mixture in a vacuum deposition tool at a constant pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated, where the absolute value of (C1-C2)/C1 is less than 5%.

Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed. The first and second compounds can have an evaporation temperature T1 and T2, respectively, of 150 to 350° C., and the absolute value of T1-T2 can be less than 20° C. The first compound can have a concentration C1 in the mixture and a concentration C2 in a film formed by evaporating the mixture in a vacuum deposition tool at a constant pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated, where the absolute value of (C1?C2)/C1 is less than 5%.

Abstract: An organic light emitting device having an anode; an emissive region; and a cathode is provided. The emissive region can be disposed between the anode and the cathode. The emissive region can include a first compound, D1, which is a first metal complex; and a second compound, D2, which is a second metal complex, where D1 and D2 are different. The emission from the OLED does not primarily originate from D2 or from an exciplex between D1 and D2, the emission from the OLED has an emission peak maximum between 300 to 2000 nm; and, when the emission from the OLED has a peak between 550 and 700 nm, then D2 is not a Be, Al, or Ir complex. Consumer products containing the OLED are also provided.

Abstract: A composition of materials including a first compound having a structure according to Formula I

Abstract: A composition comprising a first compound and a second compound, wherein the first compound has a formula selected from the group consisting of wherein the second compound has the formula is disclosed.

Abstract: Provided is an OLED having an anode, a cathode and an organic emissive layer disposed between the anode and the cathode.

Abstract: A composition of materials including a first compound having a structure according to Formula I

Abstract: A novel compound selected from is disclosed.

Abstract: Provided are organic light emitting devices (OLED) comprising an anode; a cathode, and an organic layer between the anode and the cathode, the organic layer comprising a light-emitting dopant within a host material, the light-emitting dopant being an optically active Pt complex comprising a tetradentate ligand; wherein one enantiomer of the optically active Pt complex is present in an enantiomeric excess (ee) of at least 5%. Further provided are OLEDs comprising an anode, a cathode, and an organic layer between the anode and the cathode, the organic layer the organic layer comprising a light-emitting chiral dopant within a chiral host material, the light-emitting chiral dopant being an optically active complex; wherein one enantiomer of the optically active complex of the chiral dopant is present in an ee of at least 5%, and wherein one enantiomer of the chiral host material is present in an ee of at least 5%.

Abstract: Provided are compounds of Formula Ir(LA)m(LC)n or Pt(LA)(LB), and also provided are OLED devices using those compounds.

Abstract: A compound having the formula (LA)mIr(LB)3-m, where LA is and LB is is disclosed. In the formula (LA)mIr(LB)3-m, LA and LB are different; each of X1 to X5 is C—RF or nitrogen; X is selected from O, S, and Se; each R1, R2, RB, RD, and RF is hydrogen or a substituent; R3 is alkyl, cycloalkyl, or a combination thereof; and m is 1 or 2. OLEDs, consumer products, and formulations including the compound are also disclosed.

Abstract: A compound containing indolocarbazole having a formula: Formula I is disclosed.

Abstract: Provided is a compound including a first ligand LA of Formula I In Formula I, ring C is a 5- or 6-membered ring; each of X1 to X8 is C or N; one of X1 to X4 is C and is connected to ring C, and one of X1 to X4 is N and is coordinated to a metal M; Y is a divalent linker; K is a direct bond, O, or S; each R?, R?, RA, RB, and RC is hydrogen or a general substituent; at least one of RA or RB comprises an electron-withdrawing group; at least one of RB is a cyclic group; and metal M is selected from Os, Ir, Pd, Pt, Cu, Ag, and Au. Formulations, devices, and consumer products comprising the compound are also disclosed.

Abstract: A compound having the formula (LA)mIr(LB)3-m, where LA is and LB is selected from is disclosed. In the formula (LA)mIr(LB)3-m, LA and LB are different; each of X1 to X5 is C—RF or nitrogen; X is selected from O, S, and Se; each R1, R2, RB, RD, RE, and RF is hydrogen or a substituent; R3 is alkyl, cycloalkyl, or a combination thereof; and m is 1 or 2. OLEDs, consumer products, and formulations including the compound are also disclosed.

Abstract: A method for fabricating an OLED using a mixture that is an evaporation source for a vacuum deposition process includes providing a container that contains the mixture, providing a substrate having a first electrode disposed thereon, depositing an organic layer over the first electrode by evaporating the mixture in the container in a high vacuum deposition tool, and depositing a second electrode over the organic layer.

Abstract: A composition of materials including a first compound having a structure according to Formula I

Abstract: A mixture of carbazole and triazine derivatives that can be thermally evaporated from one crucible to fabricate thin films for electroluminescent devices is disclosed.

Abstract: A novel compound selected from is disclosed.

Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.

Abstract: The present disclosure provides for an organic electroluminescent device (OLED) including an anode; a cathode; and an emissive layer, disposed between the anode and the cathode. The emissive layer includes a phosphorescent dopant, a first host, and a second host, wherein the first host transports holes, the second host transports electrons, and the first host is fully or partially deuterated. Consumer products that include the OLED are also provided.