Abstract: An organic emitter represented by formula (I): having a highest occupied molecular orbital (HOMO) of more than 70% electron density localized on the Ar1Ar2N-L unit and having an energy of lower than 4.9 eV in absolute numbers, a HOMO-1 having more than 70% electron density localized on the BD unit and an energy higher than 4.75 eV in absolute numbers, and a lowest unoccupied molecular orbital (LUMO) having more than 70% electron density localized on the BD unit. A compound represented by formula (I), where BD is a group selected from the following formulas: A material for an organic electroluminescence device, which contains the compound. An electronic equipment containing the organic electroluminescence device. A light emitting layer containing at least one host and at least one dopant, where the dopant contains the compound.

Abstract: An organic electroluminescence device includes a cathode, an anode and an emitting layer having an anode side and a cathode side disposed between the cathode and the anode, and a further layer next to the anode side of the emitting layer. The emitting layer contains: at least one compound with a dipole moment of less than 1.7·10?30 Cm (0.5 debye), as component (1); at least one organic fluorescent compound whose onset of fluorescence is at lower energies than that of component (1) and at an energy higher than 2.6 eV; and at least one organic compound whose ionization potential in absolute values is lower than 5.33 eV and whose onset of fluorescence is at higher energies than that of component (2), as component (3).

Abstract: Heterocyclic compounds of the general structure (I) below with substituents as defined herein, and materials including one or more such compounds, preferably emitter materials, may be used for an organic electroluminescence device. An organic electroluminescence device may include one or more such specific heterocyclic compounds, as may electronic equipment and a light emitting layer further having at least one host and at least one dopant, wherein the dopant may have at least one of the specific heterocyclic compounds.

Abstract: An organic electroluminescence device may include a cathode, an anode, and an emitting layer disposed between the cathode and the anode, the emitting layer including: (i) at least one anthracene compound with a dipole moment of >1.0×10?30 Cm (0.3 debye); (ii) at least one organic fluorescent compound with (ii-a) an onset of fluorescence at lower energies than that of (i) and at an energy >2.6 eV, (ii-b) photoluminescence quantum yield >70%, and (ii-c) ionization potential >5.3 eV, as component (2); (iii) at least one organic compound with (iii-a) ionization potential <5.3 eV and (iii-b) onset of fluorescence at higher energies than that of (ii). A material may include (ii) and (iii) and electronic equipment may include such organic electroluminescence device(s) or material(s), which may be used in a light emitting layer of an organic electroluminescence device.