What is a LiFi Bulb?
A LiFi bulb is a type of light bulb used in a rear-projection television set, to project the image onto the screen. These bulbs are much longer-lasting than their predecessors, with some claiming that they last so long, they may never need replacement. This technology was first available in 2007. The LiFi bulb also offers other advantages in addition to lasting longer, that are linked to its comparatively small size. Most older television sets, which used a type of technology called a cathode ray tube (CRT) to project images, were made in such a way that the inner components were not meant to be replaced. Unplanned repairs might need to be made, of course, but that was the extent of it. CRT televisions are one type of rear-projection set, meaning that the image is projected onto a screen from behind. There are also newer rear-projection sets that do not utilize a CRT technology, but rather one that makes the set less bulky than comparable CRT sets, especially in larger sizes. These lat
