一种有机电致发光器件、封装保护结构和显示装置
By introducing a patterned composite protective layer between the light extraction layer and the thin film encapsulation layer, the damage to the light extraction layer caused by the TFE process is solved, achieving high efficiency and long lifespan for OLED devices, and improving light extraction efficiency and lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing technology, there is a process incompatibility problem between the thin film encapsulation (TFE) process and the light extraction layer (Capping), which causes the light extraction layer to suffer physical and thermal damage during the TFE preparation process, affecting the device efficiency and lifespan.
A patterned composite protective layer is introduced between the light extraction layer and the thin film encapsulation layer. By setting the first organic material and the second organic material side by side, a refractive index gradient is formed, which protects the light extraction layer from damage and optimizes the optical performance.
This achieves a dual improvement in the efficiency and lifespan of OLED devices, increasing light extraction efficiency and extending device lifespan, while solving the compatibility issues of traditional packaging processes with the light extraction layer.
Smart Images
Figure CN224521520U_ABST