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An LED TV uses a special type of technology to create images on screen. Many users prefer this type of TV because they use less energy and are more durable than other technology types. This type of TV has hundreds of light emitting diodes or LEDs, which are a type of semiconductor, which glow and change colour when exposed to currents. When an electrical current flows through the screen, it can change the diodes to any colour within the full Red, Green, and Blue video spectrum or turn them off to create a black colour.

There are three main types of LED TV, namely, White Edge LED, Full LED Arrays, and Local Dimming LED. Each uses LEDs in a slightly different way and has its own pros and cons, offering viewers a choice of different viewing experiences.