| 摘要 |
The present invention provides an electroluminescent device comprising a substrate (1) and stacked thereon in the order of mention a first transparent electrode (2), an electroluminescent stack (3), and a second electrode (4). Furthermore, the electroluminescent device comprises at least one additional hard layer (5) that is located underneath the second electrode and/or on top of the second electrode and that has a hardness larger than the hardness of the second electrode. Methods for the production of such electroluminescent devices are likewise provided. |
