Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12317671 | Organic light emitting device having hole injection layer with doping concentration of first doping material gradually decreasing in direction away from anode, display device, preparation method and storage medium | Xinghua Liu, Xiaojin ZHANG | 2025-05-27 |
| 12310166 | Light-emitting device, manufacturing method thereof, and display device | Xiaojin ZHANG | 2025-05-20 |
| 12265123 | Universal test chiplet | Zhikuang Cai, Xiaoting Liu, Luping Zhang, Zixuan Wang, Dapeng Yan +3 more | 2025-04-01 |
| 12262575 | Display substrate and display device | Xiaojin ZHANG, Dan Wang, Changho Lee | 2025-03-25 |
| 12256592 | Organic light emitting device, method of manufacturing same, and display panel | Huiyun YANG, Xiaojin ZHANG | 2025-03-18 |
| 12239017 | Organic light-emitting devices, display panels and display apparatuses | Siqi Wang, Xiaojin ZHANG | 2025-02-25 |