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Evolution of white organic light-emitting devices: from academic research to lighting and display applications

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Abstract

Recently, Apple Inc. launched the highly anticipated cellphone, the iPhone X, which adopts an active-matrix organic light-emitting display (AMOLED) for the first time. Since then, AMOLEDs have been in the focus of the display industry and a lot of new production lines have been set up. Apart from smart phone displays, AMOLED TVs are also extremely popular in the consumer market. LG's next-generation OLED TVs have been ranked as the Best of CES for many years, which are based on white organic light-emitting device (WOLED) technology. Nevertheless, it took almost 30 years of tremendous research efforts to develop this technology from a simple experimental sample to such excellent products. In this article, a detailed discussion is presented on the evolution of WOLEDs from academic research to industrial applications. More specifically, parameters to evaluate the device performance and approaches to enhance the device efficiency as well as different device architectures adopted in WOLEDs are reviewed. Lastly, special focus is laid on the applications of WOLEDs in lighting and displays.

Graphical abstract: Evolution of white organic light-emitting devices: from academic research to lighting and display applications

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Publication details

The article was received on 25 Jan 2019, accepted on 15 Mar 2019 and first published on 18 Mar 2019


Article type: Review Article
DOI: 10.1039/C9QM00042A
Mater. Chem. Front., 2019, Advance Article

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    Evolution of white organic light-emitting devices: from academic research to lighting and display applications

    Y. Yin, M. U. Ali, W. Xie, H. Yang and H. Meng, Mater. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QM00042A

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