从几何光学的角度对其读出照明光学系统进行设计，并进行实验研究和理论分析。
In this paper, the readout system is designed by geometrical optics method and the experiment shows that the system works well.
本文主要介绍背景照明光源的投射光学系统用的显示光源。
The article mainly presents the light sources of the backlighting and the display for projection optical systems.
一种显示系统包括光源和第一光学系统，所述第一光学系统光耦合到所述光源，并且适于沿着照明路径而提供照明光束。
A display system includes a light source and a first optical system coupled to the light source and adapted to provide an illumination beam along an illumination path.
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