Fabrication and characterization of photo cathode materials for transparent organic light-emitting diodes

Hui Lin; Junsheng Yu; Nana Wang; Chunhua Huang; Yadong Jiang

doi:10.1117/12.866917

22 October 2010 Fabrication and characterization of photo cathode materials for transparent organic light-emitting diodes

Hui Lin, Junsheng Yu, Nana Wang, Chunhua Huang, Yadong Jiang

Author Affiliations +

Proceedings Volume 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology; 76583D (2010) https://doi.org/10.1117/12.866917
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

In this work structural composition and fabrication process of cathode for transparent OLED were investigated. Using a LiF/Al/Ag/Alq₃ semitransparent cathode and a Mg:Ag/ITO cathode, green fluorescent transparent organic light-emitting devices (TOLEDs) were fabricated. ITO was evaporated as a cathode onto a thin Mg:Ag layer by DC magnetron sputtering method with the assistance of tiny H₂O vapor during deposition process. The fabrication of LiF/Al/Ag/Alq₃ electrode was processed without breaking the vacuum. At a bias of 15 V, the luminance of the TOLED with Mg:Ag/ITO and LiF/Al/Ag/Alq₃ cathode were 3016 and 4535 cd/m², respectively. The results indicate that LiF/Al/Ag/Alq₃ electrode can be used as an effective and stable cathode in TOLEDs.

Citation Download Citation

Hui Lin, Junsheng Yu, Nana Wang, Chunhua Huang, and Yadong Jiang "Fabrication and characterization of photo cathode materials for transparent organic light-emitting diodes", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76583D (22 October 2010); https://doi.org/10.1117/12.866917

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