The transistor laser adds a third port for optical output, emitting light.

晶体管激光增加了光输出，发光的第三个端口。

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Silicon is an indirect bandgap semiconductor emitting light inefficiently.

硅是间接带隙半导体，不能有效地发光。

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When the two fused together, the fluorescent compound became complete, emitting light.

当两者融合时，合成一个完整的荧光化合物，产生光。

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Light-emitting diodes are small glass lamps that use much less electricity than traditional bulbs and last much longer.

VOA: special.2009.12.21

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

Silicon is a much less costly alternative, but it has shortcomings such as inefficiency in emitting light.

WSJ: IBM Claims Breakthrough in Laser-Based Chips

Now they have something that works like a flatbed document scanner, with a scanning head containing either six or 12 light-emitting diodes, each emitting light of a specific wavelength between 350 nanometres (ultraviolet) and 800 nanometres (infra-red).

ECONOMIST: Monitor

California-based Seesmart LED, which makes light-emitting-diode light bulbs in China, represents a new crop of American companies that want to do what they can to support the U.S. economy.

FORBES: Magazine Article