<http://webisa.webdatacommons.org/398760831>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/5434909>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/398760831> .
<http://webisa.webdatacommons.org/398760831>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/398760831>	<http://www.w3.org/ns/prov#value>	"mitted by the illumination source contributes to illumination, so there is considerable waste of energy, resulting in the problem in particular of reduced battery life of electronic devices that rely on batteries as an energy source such as for example portable telephones, watches, cameras or data terminal devices; however, if a front light in accordance with the present invention is employed, sin" .