PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The organic electro-luminescent layer 192 may comprise an organic materials such as copper phthalocyanine (CuPc), N,N???-di(naphthalene-1-yl)-N,N???-diphenyl-benzidine (NPB), or tris-8-hydroxyquinoline aluminum (Alq3).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au