No backlight. Battery not user replace-able.

无背光。电池不能自给更换。

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Unlike liquid crystal displays ( LCDs ) , OLED displays have no backlight .

与液晶显示器不同， 有机发光二极管显示器没有背光灯。

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OLED screens require no backlight so they can be as thin as 3mm and produce better quality pictures at lower energy cost.

由于OLED屏幕不需要背光，所以，最薄可以只有3毫米，而且还能降低能源成本，实现更清晰的画质。

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