Dinaphtopyrene compound, and organic EL element and organic EL display using the same

An organic EL element comprising an organic thin-film layer including a light-emitting layer in between a positive electrode and a negative electrode, and the organic thin-film layer contains a dinaphthopyrene compound,

• wherein the dinaphthopyrene compound is expressed by the following structural formula
• where R1 through R18 may be the same or may be different, and represent hydrogen atoms or substituents (excluding cases in which all are hydrogen atoms) and wherein the substituents are selected from halogen atoms, hydroxy groups, cyano groups, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, arylamino groups, and diarylamino groups.

An organic EL display comprising an organic EL element which comprises an organic thin-film layer including a light-emitting layer in between a positive electrode and a negative electrode, and the organic thin-film layer contains a dinaphthopyrene compound;

• wherein the dinaphthopyrene compound is expressed by the following structural formula
• where R1 through R18 may be the same or may be different, and represent hydrogen atoms or substituents (excluding cases in which all are hydrogen atoms) and wherein the substituents are selected from halogen atoms, hydroxy groups, cyano groups, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, arylamino groups, and diarylamino groups.