For vehicles or airborne displays, the limited space and arrangement of operating devices in the cockpit often result in drivers having a certain off-axis viewing angle with the display. This leads to a noticeable degradation in performance parameters such as brightness and colour shift compared to the vertical viewing angle. A beam steering technology applicable to the display field is presented, which simultaneously improves the performance of vehicle/airborne displays in both the large and off-axis viewing angles. When the usage scenario changes, such as acceleration, deceleration, turning, the proposed technology allows for the flexible switching of display modes, effectively aligning the high-brightness and low colour shift high-quality display to the corresponding viewing angle. The simulation results show that the viewing angle performance of displays are effectively improved, which demonstrates that the proposed technology has a promising application prospect to substantially enhance viewers' visual experience. [ABSTRACT FROM AUTHOR]