Patent ID: 8748013

Claim:
An electroluminescent element comprising: a pair of electrodes; and a light-emitting layer comprising a host material and a guest material which have a carbazole skeleton common to each other between the pair of electrodes, wherein one of the 3-position and the 6-position in the carbazole skeleton is a hydrogen atom, wherein the other of the 3-position and the 6-position in the carbazole skeleton is a hydrogen atom, a halogen atom, lower alkyl group, an alkoxy group, an acyl group, a nitro group, a cyano group, an amino group, a dialkylamino group, a diarylamino group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, wherein the 9-position in the carbazole skeleton is a hydrogen atom, a halogen atom, an alkoxy group, an acyl group, a nitro group, a cyano group, an amino group, a dialkylamino group, a diarylamino group, or a substituted or unsubstituted heterocyclic group, wherein the guest material has one carbazole skeleton, and wherein the guest material emits light.