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82问答网 > 液晶显示器和CRT显示器成像原理分别是什么？

液晶显示器和CRT显示器成像原理分别是什么？

2025-03-15 06:02:00

推荐回答（1个）

回答1：

CRT显示器和LCD液晶显示器的区别：
CRT显示器是靠电子束激发屏幕内表面的荧光粉来显示图像的，由于荧光粉被点亮后很快会熄灭，所以电子枪必须循环地不断激发这些点。
LCD显示器成像原理：LCD液晶屏幕本身是不发光的，这一点是液晶显示器与CRT显示器本质的区别。它依赖背光源组件，通过滤光膜及偏光膜等，把光线均匀照射到液晶屏幕上，把液晶屏幕照亮。液晶屏幕上的画面被显示出来。

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