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首页> 外文会议>Display technologies and applications for defense, security, and avionics VII >Advances in Liquid Crystal on Silicon (LCOS) Spatial Light Modulator Technology
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Advances in Liquid Crystal on Silicon (LCOS) Spatial Light Modulator Technology

机译：硅液晶（LCOS）空间光调制器技术的新进展

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摘要

LCOS (Liquid Crystal on Silicon) is a reflective microdisplay technology based on a single crystal silicon pixel controller backplane which drives a liquid crystal layer. Using standard CMOS processes, microdisplays with extremely small pixels, high fill factor (pixel aperture ratio) and low fabrication costs are created. Recent advances in integrated circuit design and liquid crystal materials have increased the application of LCOS to displays and other optical functions. Pixel pitch below 3 urn, resolution of 8K × 4K, and sequential contrast ratios of 100K: I have been achieved. These devices can modulate light spatially in amplitude or phase, so they act as an active dynamic optical element. Liquid crystal materials can be chosen to modulate illumination sources from the UV through far IR. The new LCOS designs have reduced power consumption to make portable displays and viewing elements more viable. Also innovative optical system elements including image and illumination waveguides and laser illuminators have been combined into LCOS based display systems for HMD, HUD, projector, and image analysis/surveillance direct view monitor applications. Dynamic displays utilizing the fine pixel pitch and phase mode operation of LCOS are advancing the development of true holographic displays. The paper will review these technology advances of LCOS and the display applications and related system implementation.
机译：LCOS（硅上液晶）是一种反射型微显示技术，该技术基于驱动液晶层的单晶硅像素控制器背板。使用标准的CMOS工艺，可以制造出像素极小，填充系数（像素开口率）高，制造成本低的微型显示器。集成电路设计和液晶材料的最新进展增加了LCOS在显示器和其他光学功能上的应用。像素间距小于3 um，分辨率为8K×4K，顺序对比度为100K：I。这些设备可以在空间上调制振幅或相位的光，因此它们可以用作有源动态光学元件。可以选择液晶材料来调制紫外线到远红外线的照明源。新的LCOS设计降低了功耗，使便携式显示器和观察元件更加可行。包括图像和照明波导以及激光照明器在内的创新光学系统元件也已被组合到基于LCOS的显示系统中，用于HMD，HUD，投影仪以及图像分析/监视直接视图监视器应用。利用LCOS的精细像素间距和相位模式操作的动态显示器正在推动真正的全息显示器的发展。本文将回顾LCOS的这些技术进步以及显示应用和相关系统的实现。

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