Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12265217 | Display device and glasses | Qingfeng Zhu, Lei Sui, Kehan Tian | 2025-04-01 |
| 12265215 | Diffractive optical element for beam splitting and design method therefor, and structured light projector | Peng Chen, Muyun WANG, Lixin Wei, Lei Sui | 2025-04-01 |
| 12228729 | Method for designing diffractive optical element and partitioned uniform light illumination system | Yuming Song, Kehan Tian | 2025-02-18 |
| 12222533 | Optical waveguide device and display device | Yuming Song, Lei Sui, Kehan Tian | 2025-02-11 |
| 12085762 | Optical waveguide device for image display and display device having the same | Xingming ZHAO, Kehan Tian | 2024-09-10 |
| 11988861 | Diffractive optical waveguide and display device | Xingming ZHAO, Kehan Tian | 2024-05-21 |
| 11966060 | Optical waveguide device for display and display device having the same | Lei Sui, Kehan Tian | 2024-04-23 |
| 11940653 | Diffractive optical waveguide and display device having the same | Xingming ZHAO, Kehan Tian | 2024-03-26 |
| 11899203 | Method for out-coupling grating for AR optical waveguide, and design method for AR optical waveguide | Xingming ZHAO, Qingfeng Zhu, Lei Sui, Kehan Tian | 2024-02-13 |
| 11892682 | Diffractive optical waveguide and display device having the same preliminary class | Xingming ZHAO, Kehan Tian | 2024-02-06 |
| 11874503 | Diffractive optical waveguide and display device | Xingming ZHAO, Qingfeng Zhu, Kehan Tian | 2024-01-16 |
| 11874488 | Diffractive optical waveguide and display apparatus having same | Xingming ZHAO, Kehan Tian | 2024-01-16 |
| 11796747 | Diffractive optical waveguide and display device | Xingming ZHAO, Kehan Tian | 2023-10-24 |
| 11693253 | Method for designing diffraction suppression optical component, display screen and under-screen camera apparatus | Hui Feng, Kai Zhang, Chenhao Dou, Hao Wu, Kehan Tian | 2023-07-04 |