| abstract |
The invention relates to an organic electroluminescence device comprising a cover layer, the organic electroluminescence device comprising: a substrate layer; a first electrode, the first electrode is on the substrate; an organic light-emitting functional layer, the organic light-emitting function layer a layer on the first electrode; a second electrode on the organic light-emitting functional layer; and a cover layer on the side where the light of the organic electroluminescent device exits, wherein the The cover layer includes an organic compound, and the organic compound of the cover layer has the following characteristics: its molecular weight is between 500 and 1200, contains lone pair electrons, and the number of lone pair electrons is greater than or equal to 2. The present invention also relates to the use of the organic electroluminescent device comprising a cover layer of the present invention for display or lighting equipment. |