About: http://webisa.webdatacommons.org/216736030

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	The patents states that To further distinguish between the finger or other devices being close to the display (or touching) or alternatively being spaced sufficiently apart from the display, a light directing structure may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	patentlyapple.com