The effect of interlayer on the performance of double emitting layer OLEDs

Run Wang; Dianli Zhou; Junsheng Yu

doi:10.1117/12.2243238

25 October 2016 The effect of interlayer on the performance of double emitting layer OLEDs

Run Wang, Dianli Zhou, Junsheng Yu

Proceedings Volume 9686, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices; 96861C (2016) https://doi.org/10.1117/12.2243238
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

Double emitting layer (yellow and blue) phosphorescent organic light emitting devices (OLEDs) were fabricated using different materials as the interlayer. The structure of the devices is ITO/NPB/(t-bt)₂Ir(acac)/interlayer/BCP: FIr6/Bphen/Mg:Ag. Interlayers are mCP, TPBi, and TAPC, respectively. Comparing three kinds of interlayer, the luminescence characteristics of the devices are investigated. The results show that the current efficiency and the brightness are greatly improved because of the application of interlayer. Using the mCP as the interlayer, we obtained the maximum current efficiency of 39 cd/A and the maximum brightness of 18360 cd/m², the color stability is also be enhanced.

Citation Download Citation

Run Wang, Dianli Zhou, and Junsheng Yu "The effect of interlayer on the performance of double emitting layer OLEDs", Proc. SPIE 9686, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices, 96861C (25 October 2016); https://doi.org/10.1117/12.2243238

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