车载平视显示器解决方案

Release time:2019-01-22
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source:Ameya360
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1、 前言

车载平视显示器(HeadUpDisplay,HUD)同许多战争发展出来的技术一样,HUD 最初的应用就是在战斗机上, 最早装备 HUD 的飞机是法国的幻影战斗机。这种由电子组件、显示组件、控制器以及高压电源等组成的综合电子显示设备, 能将飞行参数、瞄准攻击、自检测等信息, 以图像、字符的形式, 通过光学部件投射到座舱正前方组合玻璃或者头盔上显示装置上。

车载平视显示器解决方案

HUD系统其实严格说来并不是单一的一个电子系统,其实成像的关键是在光学和材料学方面,一种透明的高折射率镀膜才是其真正的成像根基。这种膜并非单独存在,它是特殊前风挡玻璃的表层功能部分,这种汽车风挡玻璃生产主要采用有浸渍法和网印法等。由于它含有氧化的Ti和Si,所以它的折射率介于1.8至2.2之间,大于普通前风挡玻璃1.52的折射率,所以表面的反射率就可以增大,再经过多次光干涉就可在远处成像。

2、 方案概述

Ameya360车载平视显示器解决方案将DLP技术屡获殊荣的图像质量与汽车电子可靠性完美结合,实现了能够带来业界最宽视野(FOV)的平视显示器,其视角最宽可达12°。此外,它还实现了高亮度、丰富色彩和高对比度,并为用户提供可扩展的设计平台。具有此范围宽视野的平视显示支持现实增强元素,如将导航指标和实时地标详细信息(前方2米至20米景深内)显示在驾驶员视线中,有助于驾驶员集中精力关注路况。

车载平视显示器解决方案

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