δ-Carboline-based bipolar host materials for deep blue thermally activated delayed fluorescence OLEDs with high efficiency and low roll-off characteristic-Reference-Cited by-同舟云学术

δ-Carboline-based bipolar host materials for deep blue thermally activated delayed fluorescence OLEDs with high efficiency and low roll-off characteristic

Published:2018 Issue:31 Volume:8 Page:17025-17033
ISSN:2046-2069
Container-title:RSC Advances
language:en
Short-container-title:RSC Adv.

Author:

Moon Ji Su¹²³⁴,Ahn Dae Hyun¹²³⁴,Kim Si Woo¹²³⁴,Lee Seung Yeon¹²³⁴,Lee Ju Young¹²³⁴,Kwon Jang Hyuk¹²³⁴^ORCID

Affiliation:

1. Department of Information Display

2. Kyung Hee University

3. Seoul

4. Republic of Korea

Abstract

We report two new bipolar host materials with ~3.0 eV high triplet energy. Fabricated deep blue TADF OLEDs with these hosts exhibited external quantum efficiency as high as 22.9% and low efficiency roll-off (19.2% at 1000 cd m^–2).

Funder

National Research Foundation of Korea

Korea Government Ministry of Trade, Industry and Energy

Korea Evaluation Institute of Industrial Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2018/RA/C8RA01761A

Reference27 articles.

1. Third-generation organic electroluminescence materials