| 摘要 |
The present description relates to an organic light-emitting device comprising: a cathode; an anode; a light-emitting layer provided between the cathode and the anode; and a hole transport layer provided between the anode and the light-emitting layer, wherein the light-emitting layer comprises a carbazole derivative expressed by chemical formula (1), and the hole transport layer comprises a amine derivative expressed by chemical formula (2), wherein the differential between the LUMO energy level of the carbazole derivative, which is comprised in the light-emitting layer and is expressed by chemical formula (1), and the LUMO energy level of the amine derivative, which is comprised in the hole transport layer and is expressed by chemical formula (2), is 0.5 eV or higher. |
