Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399308 | Display apparatus comprising diffractive elements | Yisheng Zhu, Tapani Levola | 2025-08-26 |
| 12366754 | Display device, a vehicle with a display device and display virtual image method | Yisheng Zhu, Tapani Levola | 2025-07-22 |
| 12366761 | Display apparatus for providing an enlarged display area | Yisheng Zhu, Tapani Levola | 2025-07-22 |
| 12265219 | Head-up display having a large exit pupil | Tapani Levola, Yisheng Zhu | 2025-04-01 |
| 11960087 | Optical device and display apparatus with same images for left and right eyes | Yisheng Zhu | 2024-04-16 |
| 11789261 | Optical expander device for displaying wide color image, display device thereof, and method for outputting light and displaying an image | Tapani Levola, Yisheng Zhu | 2023-10-17 |
| 11789268 | Optical expander device | Tapani Levola, Yisheng Zhu, Yifan Zhu | 2023-10-17 |
| 11624869 | Optical expander device for providing an extended field of view | Tapani Levola, Yisheng Zhu | 2023-04-11 |
| 11480722 | Optical expander device and its display device and method for outputting light and displaying image | Tapani Levola, Yisheng Zhu, Yifan Zhu | 2022-10-25 |
| 11276338 | Imaging device, display apparatus, and imaging apparatus | Shihong Ouyang | 2022-03-15 |
| 11269186 | Augmented reality apparatus and method, and optical engine component | Yonghao Fei | 2022-03-08 |
| 11119262 | Optical device, display device, and method for outputting light and displaying image thereof | Tapani Levola, Yisheng Zhu | 2021-09-14 |