Apart from giving more uniform brightness , a full array of led backlights allows the screen to be dimmed selectively in places where a scene needs to be dark .

除了提供更为一致的亮度，全阵列led背光能使屏幕上那些影像需要变暗的地方选择性的暗下来。

It requires only about half as much energy as the conventional white leds used in backlights , which should help extend the battery life of mobile devices , as well as providing richer , more saturated colours .

它仅需要常规白色液晶屏大约一半的能量，这样就能有助于延长移动设备的电池寿命，同样还可以提供更丰富、更饱和的各种颜色。

Part of what makes mr jones so angry-and , as with all the best polemics , a luminous anger backlights his prose-is that this sneering and humiliation is inflicted by the well-off on those who have the least .

使琼斯先生如此生气的原因是这种嘲笑和侮辱是富有的人对拥有最少的人造成的，就像是，有了最好的论证，发光的愤怒从背后照亮了他的散文。