申请人:Matsunami Shigeyuki
公开号:US20080164809A1
公开(公告)日:2008-07-10
An organic electroluminescent device for emitting red light is disclosed. The device includes: an anode; a cathode; and an organic layer including a light-emitting layer, wherein the light-emitting layer contains a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound having a skeleton with 4 to 7 membered rings, and a photosensitizing layer containing a light-emitting guest material generating green light is provided adjacent to the light-emitting layer.