An organic optoelectronic device structure is provided that comprises the following: (a) a polymer substrate layer; (b) a first barrier region, which comprises two or more planarizing layers and two or more high-density layers, disposed over the polymer substrate layer; (c) a second barrier region, which...http://www.google.es/patents/US6624568?utm_source=gb-gplus-sharePatente US6624568 - Multilayer barrier region containing moisture- and oxygen-absorbing material for optoelectronic devices
Multilayer barrier region containing moisture- and oxygen-absorbing material ...
