New Materials for High-Efficiency Organic Light-Emitting Devices (OLEDs) and Solid-State Lighting (SSL)
Bryce, Martin R.
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Fluorescent and phosphorescent organic/organometallic materials are receiving intense interest as emitters in electroluminescent organic light-emitting diodes (OLEDs) for displays and solid-state lighting (SSL). The background concepts will be briefly described before a presentation of recent work in the Durham labs. Topics will include the design, synthesis, photophysical properties and OLED performance of fluorescent copolymers, and phosphorescent Ir(III) complexes. Color tuning of emission, including efficient white light emission will be reported. Phosphorescent device efficiencies as high as 40 cd/A with external quantum efficiencies of 12% for green emission have been achieved in simple solution-processed device architectures.