比FaceTime软件问题更加麻烦的是有报道称iPad2的背光灯漏光。
More problematic than glitchy FaceTime software are the reports of iPad 2 backlight leakage.
由于也是自身发光，OLED显示器可以不用背光灯。
Since they emit light directly, OLED displays do not need a backlight.
与液晶显示器不同，有机发光二极管显示器没有背光灯。
Unlike liquid crystal displays ( LCDs ) , OLED displays have no backlight .
背光灯有可调节的超时功能以维护电池寿命。
The backlight has adjustable time-out to preserve battery life.
背光灯有可调节的超时功能以维护电池寿命。
The backlight has adjustable time-out to preserve battery life.
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