title: Light extraction efficiency of LED displays with perpendicular parallelepiped transparent optical cavities.
abstract: In this paper formulas are derived describing the light extraction efficiency of the transparent perpendicular parallelepiped optical cavities in LED displays. The efficiency is calculated for a mirror-wall cavity and for a cavity having walls formed by an air-epoxy interface. Results show that optical efficiencies of these cavities are almost identical and equal to approximately 13%.
authors.affiliation: Institute of Electron Technology, Al.Lotnikow 32/46, 02-668 Warszawa, Poland.
authors.forename: J
authors.initials: J
authors.lastname: Jarominski