结果，基于有机发光二极管的显示屏被用于某些移动电话与小型电视机上，却没有流行开来。

As a result OLED displays are used in some mobile phones and small televisions, but they have not caught on widely.

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一束由发光二极管发射出的红外线光立刻进入到使用者眼前的空间，这样一个小型摄像机装置，可分析人们的手势轨迹。

A ring of LEDs projects infrared light into the space immediately in front of the user so a camera in the device can interpret gestures.

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但是帕尔·韦兹(Parviz)博士想在镜片里植入小型发光二极管(LEDs)的显示器，那样就能在佩戴者的视线内显示出信息。

But Dr Parviz wants to add display elements, in the form of tiny embedded light-emitting diodes (LEDs), to his lenses so that they can overlay information on the wearer's field of view.

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