| abstract |
The present invention relates to an electron buffer material, and a first electrode; A second electrode facing the first electrode; An emission layer between the first electrode and the second electrode; And an electron transport layer between the light emitting layer and the second electrode, and an electron buffer layer. By using the electron buffer material according to the present invention, it is possible to provide an organic electroluminescent device having a low driving voltage, a high luminous efficiency, and a long driving life. |