A new type of high contrast filter has been investigated in this paper. lt has features of lower light reflection on surface, selective transmission and effective electromagnetic screen.

本文介绍自行研制的高对比度滤光片。它具有较低的表面光反射率、选择性透过率和电磁屏蔽特性。

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LCD displays, by contrast, filter light from a backlight through an array of tiny coloured filters and liquid-crystal shutters.

相比之下，液晶显示技术通过一排微型的彩色过滤器与液晶体检波器来从背光中过滤光源。

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The marked color contrast between Mars and the bright blue star was easy to discern by eye, but is further enhanced in the picture through the use of a diffusion filter.

火星与明亮的蓝色恒星醒目的颜色对比用肉眼很容易辨认，而这张图用了滤色镜更增强了这种对比。

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It also sports an "ultrafine" .0065-millimeter pitch along with a "high-contrast filter" that allows the projected image to be reflected by the screen while it absorbs incidental light from other sources.

ENGADGET: DNP unveils daylight-friendly Supernova Flex Screen

The combination of Panasonic's Pure Contrast Plates, Pure Color Filter Pro and Dynamic Iris technologies make the PT-AE8000U's astonishing 500, 000:1 contrast ratio possible.

ENGADGET: Panasonic PT-AE8000U projector touts brighter, smoother 3D for king-of-the-hill home theaters

By contrast, energy companies run their turbines continuously at constant speeds and filter the air intake against damaging particles.

FORBES: Energy