Ortho-B-π-B-regulated multiple-resonance emitter enables high efficiency narrowband yellow OLEDs

Tao Hua; Yongxu Hu; Ting Jiang; Xiaoyu Guo; Chi Zhang; Zhanxiang Chen; Jingsheng Miao; Chuluo Yang; Zhongyan Huang

doi:10.1039/d6cc02248k

January 1, 2026Chemical Communications

Ortho-B-π-B-regulated multiple-resonance emitter enables high efficiency narrowband yellow OLEDs

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Key Points

This research aims to develop a high-efficiency narrowband yellow OLED using a new emitter material.
Utilized an ortho-B-π-B strategy to create a long-wavelength MR-TADF material.
Characterized the emission properties of the developed material, focusing on its molecular vibrations.
The emitter QuBN exhibited yellow emission with a peak at 552 nm and a FWHM of 20 nm.
Achieved an impressive emission efficiency of 91% in the new OLED design.

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Implication

Study showcases enhanced yellow emission in OLEDs, indicating improved efficiency.

Abstract

We report an ortho-B-π-B strategy enabling a long-wavelength MR-TADF material with suppressed molecular vibrations. The emitter QuBN shows yellow emission peaking at 552 nm with 20 nm FWHM and 91%...

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Hua et al. (2026) studied this question.

synapsesocial.com/papers/6a0567a8a550a87e60a1fc57 https://doi.org/10.1039/d6cc02248k

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Ortho-B-π-B-regulated multiple-resonance emitter enables high efficiency narrowband yellow OLEDs

Key Points

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Implication

Abstract

Discussion

Cite This Study

Ortho-B-π-B-regulated multiple-resonance emitter enables high efficiency narrowband yellow OLEDs

Key Points

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Implication

Abstract

Discussion

Cite This Study

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