Sleep timer: set how much time do you want the app to keep backlight on. (can be set from 1 min to 2 hours. )

睡眠计时器：设置某个应用程序保持背光开启的时间长度（可在1分钟至2小时之间设置）。

youdao

Bar design can also have great originality, for example in bamboo or wood on the laser carving, bold use of backlight effect, create fantasy, bold visual effects.

吧台的设计也可以独具匠心，比如在竹筒或木板上进行激光雕刻，大胆地运用背光效果，创作出奇幻、大胆的视觉效果。

youdao

By switching on the TV you fool your body into thinking it's still daytime, this is caused by the huge backlight in the TV.

打开电视，你会让你的身体误以为仍然是白天，这是由电视里的巨大背光造成的。

youdao

But without the backlight on, it's rather hard to see the top LCD without some light shining on it.

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This means that the phone will know when you're reading an ebook or browsing the web and keep the backlight on.

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Standing in front of the white-LED backlight on the new MBP, it's immediately apparent how crisp the whites are -- it's very noticeable after staring into CCFL LCDs all day long.

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