| abstract |
An organic electroluminescence device comprising:a cathode,an anode, andan organic layer disposed between the cathode and the anode,wherein the organic layer comprises an emitting layer and an electron barrier layer,the electron barrier layer is disposed between the anode and the emitting layer and is directly adjacent to the emitting layer,the emitting layer comprises a first compound represented by any one of the specific formulas (21), (41), and (51), andthe electron barrier layer comprises a second compound which satisfies the following expression (M1):Ip(HT)≥5.67 eV (M1)wherein in the expression (M1), Ip(HT) is the ionization potential of the second compound. |