全息术
全息显示器
计算机科学
增强现实
平视显示器
虚拟现实
虚拟映像
液晶显示器
光学
材料科学
显示设备
图像质量
光学头戴式显示器
计算机图形学(图像)
计算机视觉
图像(数学)
人工智能
物理
操作系统
作者
Zi Wang,Yujian Pang,Yumeng Su,Qibin Feng,Guoqiang Lv
出处
期刊:Applied Optics
[The Optical Society]
日期:2023-12-15
卷期号:63 (3): 692-692
摘要
The multiplane augmented reality (AR) head-up display (HUD) is important in improving driving safety and comfort. In this paper, we propose an AR-HUD with switchable display modes based on polymer dispersed liquid crystal (PDLC) and lens holographic optical elements (HOEs), which can provide two display modes: the dual-virtual-image mode and the virtual-real-image mode. The dual-virtual-image mode can produce two virtual images at different depths, which can provide a better sense of reality integration for the driver to improve driving safety and comfort. The virtual-real-image mode can produce one far virtual image and one near real image at different depths, and it provides a larger eye box (EB) for both driver and passengers in the car and a higher image contrast. The two display modes can be switched by an electronically controlled scattering module consisting of a pair of PDLC films. The proposed AR-HUD system is compact and equipped with multiplane display and mode-switching functions, and is expected to be applied in the future.
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