Organic electroluminescence device comprising an azine compound and a rare earth metal, rare earth metal compound, and/or rare earth metal complex and an electronic equipment comprising said organic electroluminescence device

A material for an organic electroluminescence device, comprising:

• Yb, a Yb compound, and/or a Yb complex;
• and
• a compound of formula (I):
• wherein
• Az is 3-pyridyl,
• R1 and R2 are each independently an unsubstituted or substituted aromatic hydrocarbon group having 6 to 30 ring atoms, an unsubstituted or substituted heteroaromatic group having 3 to 30 ring atoms, an unsubstituted or substituted alkyl group having 1 to 25 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 18 ring carbon atoms, CN, or RaRbPO,
• X1, X2 and X3 are each independently N or CR3, at least two of X1, X2, and X3 being
• Ra and Rb are each independently an unsubstituted or substituted aromatic hydrocarbon group having 6 to 30 ring atoms, an unsubstituted or substituted heteroaromatic group having 3 to 30 ring atoms, an unsubstituted or substituted alkyl group having 1 to 25 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 18 ring carbon atoms,
• R3 is hydrogen, an unsubstituted or substituted aromatic hydrocarbon group having 6 to 30 ring atoms, an unsubstituted or substituted heteroaromatic group having 3 to 30 ring atoms, an unsubstituted or substituted alkyl group having 1 to 25 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 18 ring carbon atoms, CN, or RaRbPO, and
• -(L1)m-(L2)n- is a structure, the dotted lines being bonding sites:

A material for an organic electroluminescence device, comprising:

• Yb, a Yb compound, and/or a Yb complex;
• and
• a compound of formula (I):
• wherein
• Az is phenanthroline,
• R1 and R2 are each independently an unsubstituted or substituted aromatic hydrocarbon group having 6 to 30 ring atoms, an unsubstituted or substituted heteroaromatic group having 3 to 30 ring atoms, an unsubstituted or substituted alkyl group having 1 to 25 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 18 ring carbon atoms, CN, or RaRbPO,
• X1, X2 and X3 are each independently N or CR3, at least two of X1, X2, and X3 being N,
• Ra and Rb are each independently an unsubstituted or substituted aromatic hydrocarbon group having 6 to 30 ring atoms, an unsubstituted or substituted heteroaromatic group having 3 to 30 ring atoms, an unsubstituted or substituted alkyl group having 1 to 25 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 18 ring carbon atoms,
• R3 is hydrogen, an unsubstituted or substituted aromatic hydrocarbon group having 6 to 30 ring atoms, an unsubstituted or substituted heteroaromatic group having 3 to 30 ring atoms, an unsubstituted or substituted alkyl group having 1 to 25 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 18 ring carbon atoms, CN, or RaRbPO, and
• -(L1)m-(L2)n- is one of the following structures, the dotted lines being bonding sites: