基于单光机的双光路车载平视显示光学系统设计

REN Jinwei, 任进伟; CHEN Xiaowei, 陈晓伟; WANG Bo, 王波; CAO Yan, 曹妍; SUN Yihan, 孙奕晗; LI Xinyu, 李新宇; WU Shenjiang, 吴慎将

doi:10.3788/gzxb20235208.0822001

光子学报

2023

DOI: 10.3788/gzxb20235208.0822001

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基于单光机的双光路车载平视显示光学系统设计

任进伟 REN Jinwei,

陈晓伟 CHEN Xiaowei,

王波 WANG Bo

et al.

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2024

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Cited by 2 publications

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投影距离可变的平视显示系统设计及优化

Sun Yihan,

Wu Shenjiang,

Wang Bo

et al. 2024

光学学报

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投影距离可变的平视显示系统设计及优化

Sun Yihan,

Wu Shenjiang,

Wang Bo

et al. 2024

光学学报

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三像面增强现实式车载平视显示光学系统设计

Wang Sijing,

Jiang Shilei,

Wang Bo

et al. 2024

激光与光电子学进展

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The automotive headup display (HUD) system is a type of driving assistance technology that visually projects vehicle information into the driver's frontal field of vision. To meet the diverse needs of drivers for accessing information at various distances-ranging from far to near-during driving, we employ a dual free faceoff threereflection system to design an AR -HUD light path. This design facilitates virtual image distances of 10, 7. 5, and 3. 5 m, accompanied by corresponding fieldofview angles of 15°×5°, 12°×3°, and 6°×1°, respectively. In this setup, the optical path's image plane at the 3. 5 m projection distance shows only essential driving information like speed and fuel level; it is a static image plane. At distances of 7. 5 and 10 m, the image planes show additional information such as road conditions, navigation, and other auxiliary driving information. The image plane at a 10 -m projection distance can seamlessly integrate virtual imagery with the actual road, with the two image planes dynamically switching based on the proximity to obstacles ahead, effectively alleviating visual fatigue in drivers. Notably, all three light spots at the eye point's center fall within Airy spots while achieving a modulation transfer function closely approaching the diffraction limit. Furthermore, the mesh distortion value is <5%, and the dynamic distortion value is < 5′.

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基于单光机的双光路车载平视显示光学系统设计

Cited by 2 publications

References 10 publications

投影距离可变的平视显示系统设计及优化

投影距离可变的平视显示系统设计及优化

三像面增强现实式车载平视显示光学系统设计

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