Light-emitting material for organic electroluminescent device, organic electroluminescent device using same, and material for organic electroluminescent device

An organic electroluminescent device comprising at least one organic thin film layer between an anode and a cathode, wherein:

• the at least one organic thin film layer comprises a light emitting layer;
• the light emitting layer comprises a host material;
• and
• the host material is selected from an anthracene derivative represented by formula (1):
• wherein:
• A1 represents 1-naphthyl group;
• A2 represents 2-naphthyl group, 1-phenanthryl group, 2-phenanthryl group, 3-phenanthryl group, 4-phenanthryl group, 9-phenanthryl group, 1-naphthacenyl group, 2-naphthacenyl group, 1-pyrenyl group, or 2-pyrenyl group;
• each of Ar1 and Ar2 independently represents a hydrogen atom or a substituted or unsubstituted aromatic hydrocarbon ring group having 6 to 50 ring carbon atoms;
• each of R1 to R8 independently represents a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon ring group having 6 to 50 ring carbon atoms, a substituted or unsubstituted aromatic hetero ring group having 5 to 50 ring atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 50 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 50 carbon atoms, a substituted or unsubstituted aryloxy group having 5 to 50 carbon atoms, a substituted or unsubstituted arylthio group having 5 to 50 carbon atoms, a substituted or unsubstituted alkoxycarbonyl group having 1 to 50 carbon atoms, a substituted or unsubstituted silyl group, a carboxyl group, a halogen atom, a cyano group, a nitro group, or a hydroxyl group;
• each of R9 and R10 independently represents a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon ring group having 6 to 50 ring carbon atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 50 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 50 carbon atoms, a substituted or unsubstituted aryloxy group having 5 to 50 carbon atoms, a substituted or unsubstituted arylthio group having 5 to 50 carbon atoms, a substituted or unsubstituted alkoxycarbonyl group having 1 to 50 carbon atoms, a substituted or unsubstituted silyl group, a carboxyl group, a halogen atom, a cyano group, a nitro group, or a hydroxyl group, provided that none of R9 and R10 is alkenyl group;
• and
• each of Ar1, Ar2, R9 and R10 may be a plural number, and two neighboring groups thereof may form a saturated or unsaturated ring structure.

An organic electroluminescent device comprising at least one organic thin film layer between an anode and a cathode, wherein:

• the at least one organic thin film layer comprises a light emitting layer;
• the light emitting layer comprises a host material;
• and
• the host material is selected from an anthracene derivative represented by formula (1):
• wherein:
• A1 represents 2-naphthyl group;
• A2 represents 1-naphthyl group, 1-phenanthryl group, 2-phenanthryl group, 3-phenanthryl group, 4-phenanthryl group, 9-phenanthryl group, 1-naphthacenyl group, or 2-naphthacenyl group;
• each of Ar1 and Ar2 independently represents a hydrogen atom or a substituted or unsubstituted aromatic hydrocarbon ring group having 6 to 50 ring carbon atoms;
• each of R1 to R8 independently represents a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon ring group having 6 to 50 ring carbon atoms, a substituted or unsubstituted aromatic hetero ring group having 5 to 50 ring atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 50 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 50 carbon atoms, a substituted or unsubstituted aryloxy group having 5 to 50 carbon atoms, a substituted or unsubstituted arylthio group having 5 to 50 carbon atoms, a substituted or unsubstituted alkoxycarbonyl group having 1 to 50 carbon atoms, a substituted or unsubstituted silyl group, a carboxyl group, a halogen atom, a cyano group, a nitro group, or a hydroxyl group;
• each of R9 and R10 represents a hydrogen atom;
• and
• each of Ar1 and Ar2 may be a plural number, and two neighboring groups thereof may form a saturated or unsaturated ring structure.