Overclock the Miix 510 screen backlight PWM | 给Miix 510的屏幕PWM超频

When I was still in elementary school, i found if i shake my hand in front of a old school CRT display, there are many shades of my hand around my actual hand. Beside of that, it also strain my eyes quickly.
我上小学的时候发现如果你在旧式大脑袋显示器前晃动你的手,你会看见多个你手形状的类似影子的东西。

Nowadays this effect also appear on some modern LED displays, because the usage of low frequency PWM backlight.
现在的一些LED灯也会有这种问题,因为这些灯用了低频率的PWM来调节光的强弱。

Once this effect is observed on certain LED light, be aware of that light can strain your eye.
一旦你发现有的LED灯有这种现象,长时间在这个灯下就会引起视觉疲劳。

Sometimes you can get rid of this effect by overclocking the PWM.
这种低频闪的光源会使人很快的产生视觉疲劳,但有的时候给PWM超个频可以解决问题。


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