A boron-containing resonance type organic compound and an organic electroluminescent device thereof

CN122234089APending Publication Date: 2026-06-19TSINGHUA UNIVERSITY +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TSINGHUA UNIVERSITY
Filing Date
2024-12-18
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing cyan light materials perform poorly in terms of color purity, device lifetime, and luminous efficiency, making it difficult to achieve cyan light emission with narrow half-width, high efficiency, and high color purity.

Method used

A boron-containing resonance organic compound was designed to achieve blue light emission through the design of organic compound molecules with specific structures. The specific structures are shown in general formulas (1) to (6-4), which include various substituents and fused aromatic ring structures.

Benefits of technology

It improves the color gamut coverage of the display device, enhances color reproduction, improves display quality and visual effects, and expands the color gamut coverage of the display device.

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Abstract

This invention relates to a boron-containing resonant organic compound and its organic electroluminescent device, belonging to the field of semiconductor technology. The structure of the boron-containing resonant organic compound of this invention is shown in general formula (1). When the boron-containing resonant organic compound of this invention is used as a guest material in the light-emitting layer of an organic electroluminescent device, it can achieve blue light emission and improve the luminous efficiency and lifetime of the device.
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Citation Information

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