有机电致发光化合物及其制备方法、有机电致发光器件
By introducing organic electroluminescent compounds containing triazine ring structures as electron transport materials, the problem of low electron transport material mobility was solved, and organic electroluminescent devices with low driving voltage, high efficiency and long lifetime were realized.
CN117486877BActive Publication Date: 2026-07-17JILIN OPTICAL & ELECTRONICS MATERIALS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JILIN OPTICAL & ELECTRONICS MATERIALS CO LTD
- Filing Date
- 2023-10-26
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing organic electroluminescent devices suffer from problems such as low electron mobility, high driving voltage, low luminous efficiency, and short lifetime in their electron transport materials.
Method used
Organic electroluminescent compounds containing triazine ring structures and electron-withdrawing groups are used as electron transport materials. Electron transport layers are prepared through a specific synthetic route to improve electron mobility and alleviate electron-hole imbalance.
Benefits of technology
It improves the electron transport efficiency of the electron transport layer, reduces the driving voltage, enhances luminous efficiency, and extends device life.
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Smart Images
Figure CN117486877B_ABST
Abstract
本申请适用于有机材料合成技术领域，提供了有机电致发光化合物及其制备方法、有机电致发光器件，本申请提供的含氮杂环有机电致发光化合物通过引入含三嗪环结构及吸电子基团，能够有效提高电子传输材料的电子迁移率，改善有机电致发光器件内部电子‑空穴不平衡的问题，提高发光效率，并具有良好的成膜性和热稳定性，将其用在有机电致发光器件的电子传输层中，能够显著提高从电子传输层到发光层的电子传输效率，从而提高发光效率，同时降低驱动电压，延长器件使用寿命。
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