Because of these advantages, tiny LEDs are one of the most popular technologies used to light LCD TVs. The life span of an LED surpasses the short life of an incandescent bulb by thousands of hours. They're illuminated solely by the movement of electrons in a semiconductor material, and they last just as long as a standard transistor. But unlike incandescent bulbs, they don't have filaments that burn out, they use less electricity, and they don't get especially hot. Collected together, they can form images on a jumbo television screen or illuminate a traffic light.īasically, LEDs are just tiny light bulbs that fit easily into an electrical circuit. They form numbers on digital clocks, transmit information from remote controls, light up watches and tell you when your appliances are turned on.
They do many different jobs in all kinds of devices. Light emitting diodes, commonly called LEDs, are real unsung heroes in the electronics world. Multicolored LED lights illuminate this landscape.
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