摘要 |
An organic light emitting diode (OLED) device comprises a cathode, a light emitting layer and an anode, in that order, and, has located between the cathode and the light emitting layer, a layer containing (a) more than 10 vol% of a carbocyclic fused ring aromatic compound and (b) at least one salt or complex of an alkali or alkaline earth metal. The device provides reduced drive voltage and good luminance. |
申请人 |
EASTMAN KODAK COMPANY;BEGLEY, WILLIAM, JAMES;HATWAR, TUKARAM, KISAN;RAJESWARAN, MANJU;ANDRIEVSKY, NATASHA |
发明人 |
BEGLEY, WILLIAM, JAMES;HATWAR, TUKARAM, KISAN;RAJESWARAN, MANJU;ANDRIEVSKY, NATASHA |