微晶体管利用背板在屏幕上显示各个彩色像素，在过去20年里，由于背板技术的革新，液晶显示器刷屏的速度得以提高。

Over the past 20 years, LCDs have caught up on refresh rates, thanks to innovations on the back-plane where tiny transistors address each pixel of colour on the screen.

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水龙头里的发光二极管能够随着水龙头的拧开和关紧而开启或关闭，这样流到水槽或面盆里的水就会像彩色的小瀑布一般。

There is an LED that gets activated when the tap is turned on and deactivated when turned off, this results in a stream of coloured waterfall in your sink or basin.

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大多数情况下，全彩色屏幕采用的都是红色、绿色和蓝色二极管。

A full-color screen is going to employ red, green and blue diodes, for the most part.

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