The invention provides a vehicle-mounted head-up display system. The system comprises a shell, one side of the shell is open, and the prism and the display screen are installed in the shell. The display screen is installed on one side of the first surface of the triangular prism in parallel, a picture of the display screen forms a virtual image on one side of the second surface of the triangular prism after being refracted by the triangular prism, the virtual image can be observed when human eyes are located on one side of the third surface of the triangular prism, and the opening of the shellcorresponds to the third surface of the triangular prism. The triple prism and the display screen are matched for imaging, the structure is simple, and the cost is low. In the technical scheme of theinvention, the formed virtual image has a very high contrast ratio in a dark environment, is not easily influenced by ambient light, and is clear in display.
本发明提供了一种车载抬头显示系统,包括一面开口的壳体以及安装在壳体内部的三棱镜和显示屏,所述显示屏平行安装于所述三棱镜的第一表面一侧,所述显示屏的画面经过所述三棱镜折射后在所述三棱镜的第二表面一侧成虚像,人眼位于所述三棱镜第三表面一侧可观察到所述虚像,所述壳体的开口与所述三棱镜的第三表面对应。本发明产品三棱镜和显示屏配合成像,结构简单,成本低。本发明技术方案中,所成的虚像在一个较暗的环境中有一个很高的对比度,不易受到环境光的影响,显示清晰。
Vehicle-mounted head-up display system
一种车载抬头显示系统
2020-09-18
Patent
Electronic Resource
Chinese
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