Shanshan Cheng, Zhili Chen, Xiaowei Chen, Bo Wang, Tingkang Huang. Design of Head-Up Display System Using Dual Optical Path Oblique Projection[J]. Acta Optica Sinica, 2025, 45(5): 0511002

Search by keywords or author
- Acta Optica Sinica
- Vol. 45, Issue 5, 0511002 (2025)

Fig. 1. Geometric diagram of side view projection of far optical path

Fig. 2. Schematic diagram of dual path oblique projection vehicle-mounted head-up display system

Fig. 3. System implementation schematic diagram

Fig. 4. Solid model diagram of windshield

Fig. 5. Surface sag diagram of windshield

Fig. 6. Diagram of position of human eye in eyebox

Fig. 7. 3D diagram of dual PGU dual image plane projection optical path

Fig. 8. 3D diagram of dual-path oblique projection automotive head-up display system

Fig. 9. Spot diagrams for location of center eye points of near and far optical paths. (a) Far optical path; (b) near optical path

Fig. 10. MTF curves of central eye point positions of near and far optical paths. (a) Far optical path; (b) near optical path

Fig. 11. Grid distortion diagrams of center eye point positions of near and far optical paths. (a) Far optical path; (b) near optical path

Fig. 12. UI diagrams before and after near optical path simulation. (a) Before simulation; (b) after simulation

Fig. 13. UI diagrams before and after far optical path simulations. (a) Before simulation; (b) after simulation
|
Table 1. Design indexes of optical system
|
Table 2. Maximum RMS radii of 9 eye points in near and far optical paths
|
Table 3. Minimum MTFs of 9 eye points in near and far optical paths
|
Table 4. Maximum grid distortion values of 9 eye point positions in near and far optical paths
|
Table 5. System tolerance distribution table
|
Table 6. Monte Carlo analysis results

Set citation alerts for the article
Please enter your email address