About: http://webisa.webdatacommons.org/309575211

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	When a forward voltage (about 10 V) is applied between anode A and cathode K of OLED having such a constitution, injection of carriers such as electrons or holes is taken place and light emission is observed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com