Abstract: Provided are OLEDs whose EML has a figure of merit (FOM) value of equal to or larger than 2.50 that have enhanced efficiency and lifetimes. FOM can be determined according to the methods disclosed herein.

Abstract: Disclosed is an organic light emitting device having an anode; a hole transporting layer; an emissive region; an electron transporting layer; and a cathode. In such devices, the emissive region includes a first compound, H1; a second compound, H2; and a third compound, D1. The first compound H1 is a first host that includes a hole transporting moiety, HT1, and an electron transporting moiety, ET1; the second compound H2 is a second host that includes an electron transporting moiety, ET2; and the third compound D1 is an emitter.

Abstract: Provided is an OLED that includes: a first electrode; a second electrode; a first layer, and an emissive layer disposed between the first electrode and the second electrode, where the first layer is selected from the group consisting of a hole injecting layer, a hole transporting layer, an electron blocking layer, a hole blocking layer, an electron transporting layer, and an electron injecting layer; and the first layer includes a first compound that includes a first element selected from the group that only includes D, F, CN, Si, Ge, P, B, and Se.

Abstract: Provided are organometallic compounds comprising a Si or Ge atom which is carrying three substituted or unsubstituted non-fused aromatic rings and which is linked to an aryl-amino group comprising three or more fused rings via a at least one group consisting of pyridine, pyrazine, pyrimidine, and triazine. 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: High performance OLED that includes deuterated compounds in the emissive layer are disclosed. The OLED includes an anode; a cathode; and an emissive layer, disposed between the anode and the cathode. In the OLED, the emissive layer includes a first phosphorescent emitter and a first host; the first phosphorescent emitter is a metal complex; the first host is partially or fully deuterated; and at least one additional condition is true.

Abstract: Provided are compounds comprising as a central moiety an at least 8-membered ring to which at least four 5- or 6-membered carbocyclic or heterocyclic rings are fused. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these compounds.

Abstract: Provided is an organic light emitting device including a light emitting stack that includes: a first electrode; a second electrode; a first layer disposed between the first electrode and the second electrode. The first layer can be a hole injecting layer, a hole transporting layer, an electron blocking layer, an emissive layer, a hole blocking layer, an electron transporting layer, or an electron injecting layer. The first layer includes a first compound and a second compound mixed together. The first compound includes a first element (F1) that can be D, F, CN, Si, Ge, P, B, or Se. The second compound includes a first element (S1) that can be D, F, CN, Si, Ge, P, B, or Se. The first element of the first compound can be same or different from the first element (S1) of the second compound.

Abstract: Provided are compounds capable of functioning as an emitter in an organic light emitting device at room temperature, and their use in OLED related electronic devices.

Abstract: A compound of Formula I wherein: ring B is a 5-membered heterocyclic ring, or a 6-membered carbocyclic ring; each of X1 and X2 is independently C, CR, or N, with at least one of them being C; each of X3-X11 is independently C, CR, or N, with at least one of them being N, and two adjacent of X3-X7 are carbon-fused to the shown moiety through the linkage indicated by the two squiggly lines; Y is selected from the group consisting of O, S, Se, NR?, CR?R?, and SiR?R?; each of RA and RB independently represents zero, mono, or up to a maximum allowed substitution to its associated ring; each of R, R?, R?, RA, and RB is independently a hydrogen or a substituent selected from the group consisting of —SiR1R2R3 or —GeR1R2R3, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combin

Abstract: Provided are compounds consisting of a first group and a second group; and the first group does not overlap with the second group; the compounds have a HOMO and a LUMO; the second group consists of at least 70% of the electron densities of the HOMO and the LUMO; and the first group is at least 30% deuterated. Also provided are their uses in OLED related electronic devices.

Abstract: A light emitting device includes a first electrode, a hole transporting layer in contact with the first electrode, a second electrode, an electron transporting layer in contact with the second electrode; and an emissive layer between the hole transporting layer and the electron transporting layer. The emissive layer includes a phosphorescent emitter, a fluorescent emitter, and a host, and the phosphorescent emitter harvests electrogenerated excitons and transfers energy to the fluorescent emitter.

Abstract: A compound having the following formula is disclosed. The compound is useful as an emitter in OLED applications.

Abstract: Provided are organometallic compounds. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize both a disclosed compound and a Pt complex compound.

Abstract: Provided are novel organic molecules containing fused indole and benzimidazole moieties, or their boron containing analogs. Also provided are OLEDs and related consumer products that utilize these compounds containing the fused indole and benzimidazole moieties.

Abstract: A compound of Formula I wherein at least one of R1 or R2 includes a polycyclic group selected from the group consisting of Formula A, Formula B, and Formula C: wherein X1, X2, X3, and X4 are independently CRA or N; X5, X6, X7, and X8 are independently CRB or N; X9, X10, X11, and X12 are independently CRC or N; X13, X14, X15, and X16 are independently CRD or N; X17, X18, X19, and X20 are independently CRE or N; X21, X22, X23, and X24 are independently CRF or N; X25, X26, X27, and X28 are independently CRG or N; X29, X30, X31, and X32 are independently CRH or N; Y is selected from the group consisting of O, S, NR, and CRR?; the maximum number of N atoms that can connect to each other within each ring is two; with the proviso that R1 does not connect to ring B, and R2 does not connect to ring A, and wherein at least one of RC and RD of Formula A is a direct bond or an organic linker, one of RE and RF of Formula B is a direct bond or an organic linker, or one of RG, RH, and RN of Formula C is a d

Abstract: Provided is a new composition of matter for boron containing organic molecules which can be used as hosts or emitters in OLED devices.

Abstract: A novel compound having a benzimidazole based structure is disclosed that is selected from one of the following structures: The compound is useful in improving photophysical performance of OLEDs.

Abstract: Provided are compounds comprising a first moiety and a second moiety, wherein the first moiety comprises an azabenzene joined to a trivalent nitrogen atom that is part of an at least three-cyclic heteroaromatic ring system. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these compounds.

Abstract: Provided are organic compounds comprising a central eight-membered ring which is formed by connecting four 6-membered aromatic rings. The compound further comprises a first and a second chemical structure which are selected from Formulas II-VI. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these compounds.

Abstract: A compound having a ligand LA comprising a structure of Formula I, is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused-ring system; each of X1 to X12 is C or N; represents a single bond or a double bond in a Lewis structure; each RA, RB, RC, and RD is hydrogen, metal M, a General Substituent, or a substituent comprising metal M; metal M has an atomic mass of at least 40; and any two substituents may be joined to form a ring. Formulations, OLEDs, and consumer products comprising the compound are also provided.