利用整个方阵的LED背景灯光的屏幕效果要好很多，出了提供更多的统一亮度，他们同样能满足当屏幕需要变暗时所需要达到的效果。

Screens that use a full-array of LED backlights are much better. Apart from giving more uniform brightness, they allow the screen to be dimmed selectively in places where a scene needs to be dark.

youdao

几秒后一个很小的视频屏幕出现了，Jennifer Matthews在看位于弗吉尼亚Fredericksburg的家里圣诞树的点点灯光。

In a few seconds a small video panel appeared, and Matthews was looking at the twinkling lights of a Christmas tree in her own family room in Fredericksburg, Va.

youdao

有了电视屏幕，你就可以打开大部分的灯光。

With a TV screen, you can keep all or mostof the lights on.

youdao