An organic electroluminescence (EL) device including an electron transport layer formed between a pair of electrodes, wherein the electron transport layer contains 5099.9 wt % of alcohol-soluble polymer and 0.150 wt % of electron transporting material. In the EL device according to the present invention,...http://www.google.de/patents/US6344285?utm_source=gb-gplus-sharePatent US6344285 - Organic electroluminescence device
