LED refers to Light Emitting Diode and is a very common term in lighting and decoration. It is basically a semi-conductor lighting device that is mainly utilized as an indicator lamp as well as for lighting purposes. LED bulbs are extensively used in homes, offices, commercial buildings and other establishments as an essential aspect of lighting. Earlier, LED light bulbs mainly comprised low intensity bulbs but currently these are available in visible, ultraviolet and infrared wavelengths, which ensure excellent brightness.

LED light bulbs find a huge selection of applications in different industries, mostly electric and electronics industries. These bulbs are characterized by their attributes such as perfect light emission, ample brightness, sturdiness and compact size. In fact, the small size of the LED light bulbs has allowed the introduction of new text and video displays and sensors. LED bulbs are applicable as substitutes for traditional light sources in aviation lighting, automotive lighting (especially indicators) and in traffic signals. Such diverse use of these bulbs, along with cost effectiveness and other features, make these bulbs immensely popular on the market.

LED bulbs are effective over other traditional sources of incandescent lights. These bulbs consume a lesser amount of electricity and remain functional for much more time period. Some of the other advantages of these bulbs include much better robustness, more compact size, faster switching and greater reliability. However, these light bulbs require more precise current and heat management than other sources of lighting. More advanced use of LED bulbs includes use in communication technology, owing to the excellent switching rate. Infrared variations of LED bulbs are also utilized in the remote control units of several consumer products such as television sets, DVD players as well as other domestic appliances. The longer service period of these bulbs is due to the fact that these are prone to very limited damage when operated at small currents and optimum temperatures.

LED bulbs are widely appreciated for maintaining consistent light output even in cold temperatures, contrary to traditional lighting methods. This feature makes these bulbs a great replacement in areas like supermarket freezer lighting where these have lasted for a longer period than any other lighting form. Their use in freezers is much more prevalent because of the fact that these bulbs are quite energy efficient and do not emit heat.

LED light bulbs can be found in various colors and are made of a variety of materials. A few of the common colors of these light bulbs are blue, purple, violet, red, orange, yellow and green. Importantly, almost all the varieties of devices using LED bulbs are extremely safe to use and don't cause any adverse effect on the consumer. In a nutshell, due to their salient features like reliability, vast variety of colors, small size, coolness of light generated and power efficiency, these bulbs are extensively employed in various electronic and electrical devices. Efforts are already on to further develop the LED technology and design more efficient and useful bulbs. These light bulbs have really been a boon to various industries and therefore are preferred by renowned companies and also find application in daily usage.

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