Date：2017-04-24 |
Views：1646 |
【OLED Information 20170419】Novel distorted donor-acceptor type deep blue fluorescent emitter for high efficiency in non-doped blue and cool white orga |
Novel distorted donor-acceptor type deep blue fluorescent emitter for high efficiency in non-doped blue and cool white organic lightemitting diodes
Article excerpt is from: Jeong Min Choi, Dong Ryun Lee, Jun Yeob Lee
Dyes and Pigments 142 (2017) 243-248
Distorted donor-acceptor type blue fluorescent emitter (DmCzTrz) , was developed for use as a high efficiency and non-doped deep blue fluorescent emitter and a deep blue emitter in hybrid white organic light-emitting diodes. The novel distorted donor-acceptor based non-doped DmCzTrz blue fluorescent organic light-emitting diodes achieved high quantum efficiency of 6.8% with a deep blue color coordinate of (0.15,0.10). The DmCzTrz blue emitter was doped with green and red triplet emitters to develop the hybrid white organic lightemitting diodes, and high quantum efficiency of 19.4% in cool white device and 20.8% in warm white device were demonstrated.
