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液晶电视怎么成像的
更新时间: 2020-10-07 00:00:00  

液晶电视成像原理如下:

阴极射线管视屏终端显示器的电子枪需要在3万伏的高压下将电子流射向并撞击荧光屏,使之发亮由此产生图象。电子在高压作用下迅速射击、碰撞荧光屏,从而产生电磁辐射。3万伏的高压在工作过程中会向周围辐射大量的高频电磁波,电磁波会在显示器表面和金属物体表面累积起来,长期积累就会形成电压较高的负电荷,所以触摸到显示器表面或一些金属物体时会有被电击的感觉。

关键词: 液晶 电视 怎么

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