The present invention is directed to an organic optoelectronic device, such as an OLED device, provided with a vacuum deposited conformal composite coating for protecting the device from environmental elements such as moisture and oxygen. The present invention is also directed to a method for vacuum...http://www.google.es/patents/US6765351?utm_source=gb-gplus-sharePatente US6765351 - Organic optoelectronic device structures
