Vous avez cherché: backlighting (Anglais - Chinois (simplifié))

backlighting
逆光

customizable backlighting
多媒體控制鍵

backlighting (lighting design)
逆光

led backlighting. one bright idea.
led 背光技術， 靈光一閃。

the keyboard automatically adjusts the backlighting to suit the lighting conditions.
鍵盤會針對四周照明條件自動調整背光。

and one of the reasons you can't see it is because it's backlighting most of the time, most cell phones.
之所以看不清，其中一个原因在于手机是背光照明的， 绝大部分手机都是。

the eu estimate in section includes significant hg use in small lamps for backlighting of lcds. the north america estimate for lamps presented by cain did not include backlighting of lcds.
第2.4节中，对欧盟地区的估算包含了用于液晶显示器背光的小灯泡中较高的汞使用量；cain对北美灯类产品汞消费量的估算没有包括液晶显示器的背光。

they provide keypad backlighting for communications ... they are becoming increasingly popular in large panel displays ... and they contribute to safety when used in automobile brake lights and turn signals.
它们可以提供通讯用键盘的背部照明…在大型平面显示器中的应用越来越普及……在用于汽车刹车灯和转向灯时有助于提高安全性。 led是"即时发光"的装置。

the range used in section takes better account of significant hg use in backlighting of liquid crystal displays (lcds) of all sizes - from electronic control panels to computer and television monitors. the lower part of the range used in the unep study has therefore been raised.
而第2.4节中的估算范围更加充分地涵盖了所有型号液晶显示器的背光（从电子控制面板到计算机/电视显示器）中的汞消费量，因此提高了环境署相关研究中的估算范围下限。