Efficient blue electroluminescence from 9,10-diphenylanthracene

Gi-Wook Kang; Young-Joo Ahn; Dae Yoon Park; Changhee Lee

doi:10.1117/12.451858

3 March 2003 Efficient blue electroluminescence from 9,10-diphenylanthracene

Gi-Wook Kang, Young-Joo Ahn, Dae Yoon Park, Changhee Lee

Proceedings Volume 4800, Organic Light-Emitting Materials and Devices VI; (2003) https://doi.org/10.1117/12.451858
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

We report efficient blue electroluminescence (EL) devices fabricated using 9,10-diphenylanthracene (DPA) as an active emitting material. Although DPA exhibits fluorescence in the blue spectral region with high quantum efficiency, its EL efficiency has been previously reported poor. By doping DPA into a bathocuproine (BCP) layer that acts as a hole-blocking layer, we can successfully fabricate very efficient blue EL devices with the Commission Internationale de L’Eclairage (CIE) chromaticity coordinates of (0.145, 0.195). The devices show a luminous efficiency of 2.9 cd/A at 200 cd/m² and a maximum luminance of about 10344 cd/m² at 16.6 V.

Citation Download Citation

Gi-Wook Kang, Young-Joo Ahn, Dae Yoon Park, and Changhee Lee "Efficient blue electroluminescence from 9,10-diphenylanthracene", Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, (3 March 2003); https://doi.org/10.1117/12.451858

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