These light-emitting diodes could simulate red light.

这些发光二极管可以模拟红光。

To test their hypothesis, researchers took some electrical lights, actually, they were light-emitting diodes.

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。

Semiconductor lasers and light-emitting diodes

半导体激光器和发光二极管

LEDs - light emitting diodes - have been around for decades.

发光二极管已经兴起几十年了。

Becareful not to overheat the solder and damage the diodes.

注意不要使烙铁过热而损坏二极管。

There are two TVS diodes on this PCB for 5v and 12v protection.

有两台电视在这个电路板二极管为5 V和12v的保护。

For clarity, the figure omits overvoltage diodes and protection circuits.

为明确起见，图中省略了过压二极管和保护电路。

Diodes are electronic devices which rectify alternating current to direct current.

二极管是将交流电整流成直流电的电子装置。

Some components such as diodes and transistors are excellent light detectors.

某些元件，如二极管、三极管等都是很好的光探测器。

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。

The bulb's 10 diodes, each with a yellow phosphor, sit along a halo of aluminum fingers.

灯泡里的10个二极管，每个都涂上磷，放置在环形的铝制插槽中。

One type of emissive display that already exists is based on organic light-emitting diodes (OLEDs).

目前现有的一种放射性显示屏是基于有机的发光二极管。

I touched the wrong pins causing a current reversal and all of the diodes on the circuit board exploded.

我触碰了错误的管脚，从而导致了电流的反转，结果那块电路板上的所有二极管都被烧坏了。

Therefore, the detector consists of a 16-by-16 array of ultra-thin silicon diodes, connected by thin wires.

因此，这个传感组件由一组超薄硅二极管组成一个16x16的阵列，通过极细的导线连接。

Now another new source of lighting, organic light-emitting diodes (OLEDs), is starting to take the spotlight.

现在，灯光的另外一种新来源，绿色发光二极管（OLEDs），闪亮登场。

The reactions are also used to produce compounds used in fungicides, sunscreen and organic light-emitting diodes.

该反应也可以用于制造杀菌剂、防晒霜和有机发光二极管。

Televisions made with organic light-emitting diodes look wonderful. 3-d television looks more wonderful still.

有机发光电视看起来非常不错，3d电视仍然看起来很棒。

The resistor (r) must be large enough to limit the current through the diodes to prevent damage to the diodes.

电阻器(R)必须足够大，以限制流过二极管的电流，使之不会损坏二极管。

With two diodes in parallel back to back, the circuit will provide protection regardless of the signal polarity.

由于两个二极管反向并联，所以此电路能够对任何极性的信号进行保护。

These thermal diodes could have a number of applications, such as improving the efficiency of thermoelectric converters.

这种热二极管有各种应用，比如提高热点转换器的效率。

Once you've got that, you also need a driver to control the individual diodes, which means additional circuitry and firmware.

如果你实现了上述两点，你还需要一个控制每个二极管的驱动，这意味着需要更多的电路和固件。

A series diode, or two diodes in parallel back-to-back, can serve as a useful alternative to a series resistor for this purpose.

串入一个二极管或两个反向并联的二极管可以作为一种有用的替代方法，起上述串联电阻的作用。

This paper tries to discuss the work principle of frequency transformation on the circuit where diodes work on on-off speciality.

该文系统地讨论二极管工作在开关特性下所组成电路的频率变换的工作原理。

In the early 1970s RCA did succeed in coaxing some light from gallium nitride-based diodes, but its blue LEDs were inefficient and dim.

20世纪70年代早期RCA的确成功的从氮化镓二极管中析出些许光线，但是它的蓝色LED太暗并且功效低下。

The new technology employs organic light emitting diodes, or OLEDs, tiny thin films that create light in response to electrical current.

新技术采用有机光发射二极管（OLED）薄膜在电流的响应下产生光辐射。

Figure 2-24 shows a protection circuit for an electrometer ammeter or picoammeter, consisting of a resistor and two diodes (1n3595).

图2 - 24示出静电计或皮安计的过载保护电路，其中包括一个电阻器和两个二极管(1n3595)。

Diodes are also harder to break -- a real advantage for a technology that must endure a bumpy truck ride over the rutted roads of Africa.

同时，二极管也很难打碎，这对于要在非洲坑洼的马路上经受颠簸的运输者而言，是一个真正的优点。

The new diamonds are likely to show up first as tiny light-emitting diodes, or LEDs, in flat-screen displays and high-definition televisions.

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。