Video projector

Although large LCD television screens became quite popular, video projectors are still common among many home theater enthusiasts.

[3][4][5] A video projector, also known as a digital projector, may project onto a traditional reflective projection screen, or it may be built into a cabinet with a translucent rear-projection screen to form a single unified display device.

A wheel is used in order to prolong the lifespan of the phosphor, as it is degraded by the heat generated by the laser diode.

The cost of a projector is typically driven by its base technology, features, resolution and light output.

High brightness large-venue models are increasingly common in boardrooms, auditoriums and other high-profile spaces, and models up to 75,000 lm[10] are used in large staging applications such as concerts, keynote addresses and displays projected on buildings.