Realizing highly efficient deep-blue organic light-emitting diodes towards Rec.2020 chromaticity by restricting the vibration of the molecular framework-Reference-Cited by-同舟云学术

Realizing highly efficient deep-blue organic light-emitting diodes towards Rec.2020 chromaticity by restricting the vibration of the molecular framework

Published:2024 Issue:13 Volume:15 Page:4790-4796
ISSN:2041-6520
Container-title:Chemical Science
language:en
Short-container-title:Chem. Sci.

Author:

Li Chuan¹,Zhang Kai²,Luo Yanju³,Yang Yang¹,Huang Yong¹,Jia Mengjiao¹,He Yuling¹,Lei Yue¹,Tang Jian-Xin²,Huang Yan¹^ORCID,Lu Zhiyun¹^ORCID

Affiliation:

1. Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, P. R. China

2. Macau Institute of Materials Science and Engineering (MIMSE), Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa, Macau SAR 999078, P. R. China

3. Analytical & Testing Center, Sichuan University, Chengdu 610064, P. R. China

Abstract

A deep blue TADF emitter composed of rigid D and A units was developed. BOC-PSi-based OLED exhibited not only an impressive EQEmax approaching 20%, but also a superior color purity approaching the Rec.2020 blue standard.

Funder

National Natural Science Foundation of China

China Postdoctoral Science Foundation

Fundo para o Desenvolvimento das Ciências e da Tecnologia

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/SC/D3SC06763G

Reference24 articles.

1. Recent advances in organic luminescent materials with narrowband emission

2. Boron‐Based Narrowband Multiresonance Delayed Fluorescent Emitters for Organic Light‐Emitting Diodes

3. Ultra‐Deep‐Blue Aggregation‐Induced Delayed Fluorescence Emitters: Achieving Nearly 16% EQE in Solution‐Processed Nondoped and Doped OLEDs with CIE y < 0.1

4. Purely Spin‐Vibronic Coupling Assisted Triplet to Singlet Up‐Conversion for Real Deep Blue Organic Light‐Emitting Diodes with Over 20% Efficiency and y Color Coordinate of 0.05

5. Deep‐Blue OLEDs with Rec.2020 Blue Gamut Compliance and EQE Over 22% Achieved by Conformation Engineering

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