Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11644707 | Viewing angle expansion film comprising a plurality of first and second projections arrayed on a flat layer, method for preparing the same, and display device | Guang ZENG, Yuan Shao, Yue Wang | 2023-05-09 |