| 摘要 |
<p>An organic EL device according to the present invention includes a negative electrode in the form of film produced by vacuum deposition. The film contains at least one metal A selected from the group consisting of Pb, Sn and Bi and a metal B having a work function of not greater than 4.2 eV. This negative electrode maintains high chemical stability for a long time and its power conversion efficiency is high. Accordingly, the organic EL device is useful as a display device, a light emission device, and so forth.</p> |
