J.A. Barker, D. Henderson, et al.
Molecular Physics
The electrical and optical characteristics of blue-light-emitting organic electroluminescent devices have been studied by varying their layer structure. Four-organic-layer structures consisting of anode/hole injection layer/hole transport layer/emission layer/electron transport layer/ cathode were analyzed, where DPVBi (or 1,4-bis(2,2-diphenyl vinyl)biphenyl) was used as the blue-light emission layer. Device characteristics were observed to be systematically dependent on the thicknesses of both the emission and electron transport layers, which in this experiment was Alq3 (tris (8-hydroxy-quinoline)aluminum). By analyzing the charge injection and charge transport processes in these organic light-emitting devices, it can be determined that the mobility of charge carriers in Alq3 films is 3.4 ± 0.2 that of DPVBi in the trap-limited regime of device operation. © 1997 Published by Elsevier Science S.A.
J.A. Barker, D. Henderson, et al.
Molecular Physics
Sharee J. McNab, Richard J. Blaikie
Materials Research Society Symposium - Proceedings
Sung Ho Kim, Oun-Ho Park, et al.
Small
Min Yang, Jeremy Schaub, et al.
Technical Digest-International Electron Devices Meeting