Dual-focal-plane augmented reality head-up display using a single picture generation unit and a single freeform mirror

Qin Zong; Lin Shih-Ming; Lu Kuang-Tso; Chen Cheng-Huan; Huang Yi-Pai

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Dual-focal-plane augmented reality head-up display using a single picture generation unit and a single freeform mirror

机译：双重焦面增强现实抬头显示使用单个图片生成单元和单个自由镜像

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Two or more focal planes are required in augmented reality head-up displays (AR HUDs) to respectively present basic and interactive driving information to car drivers; whereas, solutions using two separated picture generation units (PGUs) with two sets of optics incur increased cost, reduced reliability, and expanded volume. To develop an AR HUD using a single PGU and a single curved mirror, we propose to set two logically separated regions on a single PGU and optically relay one of them to a new position to create two focal planes. A single freeform mirror acquired through careful optical and mechanical design optimization produces high image quality in an eyebox of 120 mm by 60 mm, simultaneously for a far image (9 m, 10 degrees by 3 degrees) and a near image (2.5 m, 6 degrees by 2 degrees). Finally, an AR HUD product with a compact volume of 8.5 L is fabricated to experimentally verify the design. (C) 2019 Optical Society of America

机译：在增强现实朝上显示（AR HUDS）中需要两个或更多个焦点飞机，以分别向汽车司机提供基本和交互式驾驶信息; 然而，使用两组光学器件的两个分离图片生成单位（PGU）的解决方案会产生成本，降低可靠性和扩展量。要使用单个PGU和单个弯曲镜子开发AR HUD，我们建议在单个PGU上设置两个逻辑分离的区域，并将其中一个逻辑中继到一个新位置以创建两个焦点平面。通过仔细的光学和机械设计优化获取的单个自由形式镜在120 mm的眼框中产生高图像质量，同时为远程图像（9米，10度，3度）和近图像（2.5米，6 度数2度）。最后，制造了具有紧凑型8.5L的AR HUD产品，以实验验证设计。（c）2019年光学学会

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《Applied optics》 |2019年第20期|共9页
作者
Qin Zong; Lin Shih-Ming; Lu Kuang-Tso; Chen Cheng-Huan; Huang Yi-Pai;
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Conserve &

Associates Inc 185 Kewang Rd Taoyuan 325 Taiwan;

Conserve &

Associates Inc 185 Kewang Rd Taoyuan 325 Taiwan;

Conserve &

Associates Inc 185 Kewang Rd Taoyuan 325 Taiwan;

Natl Chiao Tung Univ Dept Photon 1001 Ta Hsueh Rd Hsinchu 300 Taiwan;

Natl Chiao Tung Univ Dept Photon 1001 Ta Hsueh Rd Hsinchu 300 Taiwan;

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Dual-focal-plane augmented reality head-up display using a single picture generation unit and a single freeform mirror

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