芳胺类有机化合物、包含芳胺类有机化合物的混合物、组合物以及有机电子器件
By using aromatic amine organic compounds with fused alkyl and oxygen-containing fused heterocycles in the aromatic amine molecule as electron blocking layer materials, the problems of carrier transport imbalance and insufficient lifetime are solved, thereby improving the efficiency and lifetime of organic electroluminescent devices.
CN117447428BActive Publication Date: 2026-07-17SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
- Filing Date
- 2023-03-27
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing organic electroluminescent devices suffer from carrier transport imbalance and insufficient device lifetime, which affects device efficiency and lifespan.
Method used
Aromatic amine organic compounds are used to regulate hole transport by fusing alkyl groups and oxygen-containing fused heterocycles in the aromatic amine molecule. As an electron blocking layer material, this method can regulate charge transport balance and improve device performance.
Benefits of technology
By regulating the charge transport balance, the luminous efficiency and lifetime of organic electronic devices have been improved.
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Figure CN117447428B_ABST
Abstract
本申请提供一种芳胺类有机化合物、包含芳胺类有机化合物的混合物、组合物以及有机电子器件，所述芳胺类有机化合物具有如通式(1)所示的结构。Ar1‑Ar2分别独立地选自取代或未取代的具有1至20个C原子的烷基、具有6至60个环原子的芳香基团、具有5至60个环原子的杂芳香基团或上述基团的组合；Ar3选自取代或未取代的具有6至30个环原子的芳香基团或具有5至30个环原子的杂芳香基团；R1选自取代或未取代的甲基、乙基、异丙基、叔丁基、环戊基、环己基或金刚烷。本申请提供的芳胺类有机化合物作为电子阻挡材料应用于有机电子器件中时，能够提高有机电子器件的发光效率和寿命。
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