一种电子传输材料及其制备方法、发光器件
By introducing phenanthrene as the parent nucleus into electron transport materials and connecting it with electron-withdrawing groups such as triazine, pyridine, and pyrimidine, compounds of formula I were prepared, solving the problem of low electron mobility and achieving efficient and stable light-emitting device performance.
CN117682998BActive 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
- 2022-08-30
- Publication Date
- 2026-07-17
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Figure CN117682998B_ABST
Abstract
本发明适用于材料技术领域，提供了一种电子传输材料及其制备方法、发光器件。本发明以菲为母核，在母核的6位具有一个特定取代基，同时在3位上与吸电子基团(三嗪，吡啶，嘧啶)之间存在连接基团，得到通式I所示化合物作为电子传输材料，制备成的发光器件与现有技术相比，具有低驱动电压，高发光效率、BI和长寿命的性能优点。尤其是在BI值上普遍提高4‑7％，在本领域已经实现了显著提高发光效率的技术效果。
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