发光器件和显示基板
By employing a structural design that incorporates host materials, guest materials, electron transport materials, and quenchers in blue organic electroluminescent devices, the problems of triplet exciton-polaron annihilation and triplet-triplet exciton annihilation were solved, thereby improving luminescence efficiency and lifetime and achieving more efficient carrier utilization and energy conversion.
CN119894228BActive Publication Date: 2026-07-17BOE TECHNOLOGY GROUP CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BOE TECHNOLOGY GROUP CO LTD
- Filing Date
- 2025-01-13
- Publication Date
- 2026-07-17
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Figure CN119894228B_ABST
Abstract
本公开涉及一种发光器件和显示基板。本公开的发光器件包括依次层叠设置的：第一电极、发光层、空穴阻挡层和第二电极。其中，发光层包括主体材料和客体材料，空穴阻挡层包括电子传输材料和淬灭剂。主体材料的LUMO能级大于淬灭剂的LUMO能级。本公开的发光层能够实现磷光发光。进一步地，发光层还包括热激活延迟荧光材料。本公开的发光层能够实现超荧光发光。本公开能够提升发光器件的发光效率，提升发光器件的寿命。
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