这些发光二极管可以模拟红光。
发光二极管发出了光，这种光被植物感知为红光。
单支红色发光二极管表示电源已接通。
为了验证他们的假设，研究人员使用了一些电灯，实际是使用了发光二极管。
To test their hypothesis, researchers took some electrical lights, actually, they were light-emitting diodes.
如果你找不到那把小螺丝刀，你孩子那带着发光二极管的玩具可就危在旦夕了。
Your children's toys equipped with LEDs are in extreme danger if you cannot ever find that tiny screwdriver.
但是，与阳光不同的是，这些发光二极管发出的光不支持光合作用。
But, unlike sunlight, the light from these LEDs did not support photosynthesis.
不断变化的建筑规范、人们逐渐发展的品味，以及维护这些精美的旧标志牌的高昂成本，让企业欣然接受了发光二极管。它们节约能源，但成本仍然很高。
Changing building codes, evolving tastes, and the high cost of maintaining those wonderful old signs have businesses embracing LEDs, which are energy efficient but still carry great cost.
不同于其他一些高科技的降能措施，譬如发光二极管的灯泡，白色屋顶有着漫长和不起眼的历史。
Unlike high-technology solutions to reducing energy use, like light-emitting diodes in lamp fixtures, white roofs have a long and humble history.
本文将研究如何使用TMP36温度传感器记录温度数据，如何用一个简单的发光二极管(LED)进行发光。
This article examines data logging of temperature using the TMP36 temperature sensor and a simple light-emitting diode (LED) for light.
“这种科技的核心是基于新一代的高亮度发光二极管”来自英国爱丁堡大学的哈拉尔德·哈斯说。
"At the heart of this technology is a new generation of high-brightness light-emitting diodes," says Harald Haas from the University of Edinburgh, UK.
根据不同的应用需求，这种材料既可以被用来作为太阳能集热器，又可以用来做发光二极管。
The material could either be used as a solar collector, or as a light-emitting diode, depending on the application.
根据不同的应用需求，这种材料既可以被用来作为太阳能集热器，又可以用来做发光二极管。
The material could either be used as a solar collector, or as a light-emitting diode, depending on the application.
发光二极管已经兴起几十年了。
LEDs - light emitting diodes - have been around for decades.
目前现有的一种放射性显示屏是基于有机的发光二极管。
One type of emissive display that already exists is based on organic light-emitting diodes (OLEDs).
通过上述方法降低发光二极管成本的确将引入光明。
Bringing down the cost of LEDs this way really will let in the light.
拉科的这种柔性电子皮肤同样还可以用于有机发光二极管(OLED)显示屏，现在在许多手机中都具有这种屏幕。
Dr Lacour's stretchable electronic skin can be made using the same processes used to produce organic light-emitting diode (OLED) displays, which are found in many mobile phones.
该反应也可以用于制造杀菌剂、防晒霜和有机发光二极管。
The reactions are also used to produce compounds used in fungicides, sunscreen and organic light-emitting diodes.
一个OLED(有机发光二极管)比人的头发丝细200倍。
An OLED (organic light emitting diode) is 200 times smaller than a human hair.
欧兹坎用LED(发光二极管)作为光源，以此制造细胞的阴影。
Ozcan USES an LED as his light source, creating cellular shadows.
半导体激光器和发光二极管
现在，灯光的另外一种新来源，绿色发光二极管（OLEDs），闪亮登场。
Now another new source of lighting, organic light-emitting diodes (OLEDs), is starting to take the spotlight.
尝试运行testled，然后观察BeagleBoard - xM上的发光二极管。
Try running testled, and watch the light-emitting diodes (LEDs) on the BeagleBoard-xM.
新的钻石可能首先以微小的发光二极管，或者平板显示器和高清晰电视中的发光二极管出现。
The new diamonds are likely to show up first as tiny light-emitting diodes, or LEDs, in flat-screen displays and high-definition televisions.
目前市面上多数的白色发光二极管都是基于氮化镓的.
Most of the white LEDs now on the market are based on gallium nitride.
这笔经费将用于基础研究，新产品研发和发光二极管、含碳有机发光二极管的制造方面。
The cash will go toward basic research, product development and manufacturing of light-emitting diodes (LEDs) and carbon-containing organic light-emitting diodes (OLEDs).
如果你找不到那把巨小的螺丝刀，那你孩子带发光二极管的玩具可就命在旦夕了。
Your children's toys equipped with LEDs are in extreme danger if you can ever find that tiny screwdriver.
基于蓝宝石的氮化镓发光二极管的一般内量子效率约为70%。
A gallium nitride LED on sapphire has a typical internal quantum efficiency of around 70%.
构造简单，包括竹、可回收电子元件——发光二极管、电线和发电机，这些都不会有很大的生态环境的影响。
In a simple construction made from bamboo and recyclable electronic components - LEDs, wires and dynamo - the lamp is relieved from any major eco-impact.
输出是通过面板上的发光二极管实现的。
输出是通过面板上的发光二极管实现的。
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