Influence of various red doping materials on the photoelectric performance of highly efficient organic light-emitting devices

Ching-Wu Wang; Jian-Feng Li; Wen-Fa Kuo

doi:10.1117/12.483065

17 September 2002 Influence of various red doping materials on the photoelectric performance of highly efficient organic light-emitting devices

Ching-Wu Wang, Jian-Feng Li, Wen-Fa Kuo

Author Affiliations +

Proceedings Volume 4918, Materials, Devices, and Systems for Display and Lighting; (2002) https://doi.org/10.1117/12.483065
Event: Photonics Asia, 2002, Shanghai, China

Abstract

The influence of various red doping materials on the photoelectric performance of highly efficient organic light emitting diodes (OLEDs) were systematically investigated. The multilayerd red-light OLEDs fabricated in this work have the structure of ITO/m-MTDATA/NPB/Alq₃:MGAg. Three different doping materials, including 4-(dicyanomethylene)-2-t-butyl-6(1,1,7,7-tetra-methyl-ljulolidyl-9-enyl)-4H-pyran, 4-Dicyanomethyl-lene-2-methyl-6-[2-(2,3,6,7-tetrahydro-1H,5H-benzo quinoliz-in-8-yl)vinyl]4H-pyran) (DCM2), and Nile Red (NIR), were adopted. Compared with the various red-doped OLEDs, the highest luminance occureed in DCM2-doped OLED. Evidence showed that the co-existence of exciton energy transfer and carrier trapping processes in DCM2-doped OLED is the main reason leading the highest luminance occurred in that device.

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Ching-Wu Wang, Jian-Feng Li, and Wen-Fa Kuo "Influence of various red doping materials on the photoelectric performance of highly efficient organic light-emitting devices", Proc. SPIE 4918, Materials, Devices, and Systems for Display and Lighting, (17 September 2002); https://doi.org/10.1117/12.483065

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