<http://webisa.webdatacommons.org/prov/472385302>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422033122> .
<http://webisa.webdatacommons.org/422033122>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/422033122>	<http://www.w3.org/ns/prov#value>	"In research and development, OLEDs now variously employ such materials as B, Al and Ti oxides and nitrides as barrier layers against water and oxygen, Al, Cu, Ag and indium tin oxide as conductors, Ca or Mg cathodes and C" .
<http://webisa.webdatacommons.org/422033122>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<evertiq.com> .