Light extraction from solution processed organic light emitting diodes (presentation video)

Srinivas P. Sista; Xiaolei Shi; Jie Liu; Kevin H. Janora

doi:10.1117/12.2062600

19 November 2014 Light extraction from solution processed organic light emitting diodes (presentation video)

Srinivas P. Sista, Xiaolei Shi, Jie Liu, Kevin H. Janora

Proceedings Volume 9183, Organic Light Emitting Materials and Devices XVIII; 91831L (2014) https://doi.org/10.1117/12.2062600
Event: SPIE Organic Photonics + Electronics, 2014, San Diego, California, United States

Abstract

Efficient light extraction from organic light emitting diode (OLED) is challenging and efforts are being made to come up with efficient & cost effective outcoupling techniques. We demonstrate 50% EQE entitlement from solution processed white OLEDs compared to 33% EQE observed in devices, implying that there is plenty of room to improve the efficiency of white OLEDs. We present challenges in efficient light extraction from solution processed OLEDs that need to be overcome to close the efficiency gap. We also demonstrate a novel characterization technique that is effective in estimating the light extraction efficiency of outcoupling films and can expedite the selection and optimization of various light extraction approaches without the need to build OLEDs.

Citation Download Citation

Srinivas P. Sista, Xiaolei Shi, Jie Liu, and Kevin H. Janora "Light extraction from solution processed organic light emitting diodes (presentation video)", Proc. SPIE 9183, Organic Light Emitting Materials and Devices XVIII, 91831L (19 November 2014); https://doi.org/10.1117/12.2062600

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