Efficient white-light-emitting organic/polymeric electroluminescent device

Jingsong Huang; Kaixia Yang; Zhiyuan Xie; Chuannan Li; Yi Zhao; Shiyong Liu; Yue Wang; Fang Wu; Yangqi Li; Jiachong Shen

doi:10.1117/12.370364

12 November 1999 Efficient white-light-emitting organic/polymeric electroluminescent device

Jingsong Huang, Kaixia Yang, Zhiyuan Xie, Chuannan Li, Yi Zhao, Shiyong Liu, Yue Wang, Fang Wu, Yangqi Li, Jiachong Shen

Author Affiliations +

Proceedings Volume 3896, Design, Fabrication, and Characterization of Photonic Devices; (1999) https://doi.org/10.1117/12.370364
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

A white light-emitting organic/polymeric electroluminescent (EL) device with multilayer thin-film structure is demonstrated. The device structure of glass substrate/indium-tin oxide/poly(N- vinylcarbazole)/phenylpyridine beryllium(BePP₂)/8- (quinolinolate)-aluminum (Alq) doped with 5,6,11,12- petraphenylnaphthacene/Alq/LiF/Al was employed. The turn-on voltage is as low as 2.9 V. Blue fluorescent BePP₂ yellow fluorescent rubrene, and green fluorescent Alq are used as three primary colors. The Commission Internationale de l'Eclariage coordinates of the emitted light are at 10V, which is located in the white-light region. Bright white light, over 6800cd/m², was successfully obtained at about 17V, and the maximum efficiency reaches to 1.38m/W at 8.5V.

Citation Download Citation

Jingsong Huang, Kaixia Yang, Zhiyuan Xie, Chuannan Li, Yi Zhao, Shiyong Liu, Yue Wang, Fang Wu, Yangqi Li, and Jiachong Shen "Efficient white-light-emitting organic/polymeric electroluminescent device", Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); https://doi.org/10.1117/12.370364

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