45.1: High‐Performance Deep Blue OLEDs with EQE up to 31

The low efficiency of blue devices has been a bottleneck problem for OLED panel manufacturers for a long time. In recent years, TASF‐OLED has attracted great attention because of the high external quantum efficiency and color purity, which makes it a promising technology for high efficiency deep blu...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2021-02, Vol.52 (S1), p.296-297
Main Authors: Li, Yilang, Li, Guomeng, Duan, Lian, Zeng, Lichang, Liu, Song
Format: Article
Language:English
Subjects:
deep blue
Efficiency
high efficiency
OLED
Quantum efficiency
TADF
TASF
Thermally Activated Delayed Fluorescence
Thermally Activated Sensitized Fluorescence
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Summary:The low efficiency of blue devices has been a bottleneck problem for OLED panel manufacturers for a long time. In recent years, TASF‐OLED has attracted great attention because of the high external quantum efficiency and color purity, which makes it a promising technology for high efficiency deep blue OLEDs. In this paper, we present our latest development of TADF material for deep blue TASF‐OLEDs with an emission peak at 460 nm and a high external quantum efficiency up to 31 %.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.14468