Patent ID: 8852758

Claim:
A light-emitting element comprising: a pair of electrodes; a light-emitting layer between the pair of electrodes; a first hole transporting layer between the light-emitting layer and one of the pair of the electrodes; a second hole transporting layer between the first hole injection layer and the one of pair of electrodes including an aromatic amine compound represented by a general formula (1) wherein: R 1 and R 2 comprise independently a hydrogen atom, an alkyl group comprising 1 to 4 carbon atoms, or an aryl group comprising 6 to 13 carbon atoms, R 3 to R 14 comprise independently a hydrogen atom or an alkyl group comprising 1 to 4 carbon atoms, Ar 1 are a first substituent selected from a group of substituent formulae (11) to (26) Ar 2 are a second substituent selected from the group of the substituent formulae (11) to (26) except the first substituent.