After a century as a primary source of artificial light these energy-guzzling bulbs are set to be replaced by light-emitting diodes (LEDs), powered by semiconductors.

在过去的一个世纪中，白炽灯泡一直为人造灯源的基本产品；但现在，耗能惊人的白炽灯泡注定将被由半导体驱动的发光二极管(LED)所替代。

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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.

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。

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Try running testled, and watch the light-emitting diodes (LEDs) on the BeagleBoard-xM.

尝试运行testled，然后观察BeagleBoard - xM上的发光二极管。

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He began experimenting with light-emitting diodes, LEDs,at his laboratory at the University of Calgary in Alberta.

VOA: special.2009.12.21

Among the products were TVs that use light emitting diodes, or LEDs,to save energy.

VOA: special.2010.01.26

The answer is light emitting diodes or LEDs.

VOA: standard.2009.12.13

Korean electronics firm Samsung has hit back in a patent dispute with Osram, a rival maker of light emitting diodes (LEDs).

BBC: Visitors to a Samsung trade stand

Using different types of light bulb can also help reduce energy usage and makers of light emitting diodes (LEDs) have seen demand surge.

BBC: Tokyo firms and households face higher electricity costs

In addition a ring of IR light emitting diodes (LEDs) are used to illuminate the hand and determine the position of the user's fingertips.

BBC: Digits demo screenshot