About: http://webisa.webdatacommons.org/235757669

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the EL element of the present invention, layers such as the hole injection layer and the electron injection layer are not always necessary, but these layers contribute to the improvement in light emission performance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au