A system and method for file management is comprised of hierarchical files systems, referred to as areas. An anthracene compound in which an aryl group having C10 or greater is bonded to the 9-position and a naphthyl group is bonded to the 10-position, wherein a compound in which a specific aryl group has been substituted, in particular, at the 7-position of the naphthyl group is used as a material for a luminescence layer to produce the organic electroluminescence element. The heat distributor includes openings sized and positioned to allow the electrical connect structures to pass through the heat distributor without electrically contacting the heat distributor.