Enhancing vehicle/airborne displays with beam steering technology for improved viewing angles

ABSTRACT

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.

Graphical abstract

KEYWORDS:

• Beam steering
• viewing angle
• colour shift
• vehicle/airborne displays

Acknowledgments

We are grateful for the valuable data support provided by Engineer Ding Li from TCL China Star Optoelectronics Technology Co., Ltd.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work is supported by the fellowship of Guangdong Basic and Applied Basic Research Foundation under Grant No. [2019A1515110951]; the Science Foundation of Civil Aviation Flight University of China under Grant No. [PHD2023-051 and No. PHD2023-049].