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Managing triplet excitons to enhance performance of blue OLED materials (Conference Presentation)
Author(s): Christopher J. Bardeen
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Paper Abstract

Triplet-triplet annihilation provides a way to generate stable, high energy (blue) emission from organic light-emitting diodes via the fusion of low energy triplet excitons. Low energy sensitizers can be used to populate the triplet states of the emitter, which allows low voltages can be used. However, these same sensitizers can also quench the emission of the high energy singlet in the emitter layer. Managing the motion of triplet excitons by adding a triplet-diffusion-singlet-blocking layer allows us to decouple the sensitization and emission events, preventing singlet quenching and enhancing the blue emission by a factor of 10 or more.

Paper Details

Date Published: 8 March 2019
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Proc. SPIE 10942, Advances in Display Technologies IX, 109420E (8 March 2019); doi: 10.1117/12.2513789
Show Author Affiliations
Christopher J. Bardeen, Univ. of California, Riverside (United States)


Published in SPIE Proceedings Vol. 10942:
Advances in Display Technologies IX
Jiun-Haw Lee; Qiong-Hua Wang; Tae-Hoon Yoon, Editor(s)

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