ELECTROLUMINESCENT DEVICES WITH LOW WORK FUNCTION ANODE

摘要

Disclosed are organic electroluminescent devices employing an anode material having a work function less than or substantially equal to the work function of the cathode material. Aluminum may be used in anode. During the operation, the organic electroluminescent devices may form a virtual electrode in their internal area, which enhances injection of carriers from a nearby electrode. Use of aluminum in the anode helps construction of cathode-emission organic electroluminescent devices.