There is a new technology that is starting to change how projectors are made. The recent use of LED lighting, instead of the common metal halide lamp, is starting to show that LEDs are a better choice. In comparison, the metal halide lamps are often hot to touch, have a short lamp life, and require loud fans to keep cool. Metal halide lamps are incredibly bright and can light up any room. LEDs, on the other hand, don’t heat up as much as metal halides, can last 4 to 10 times longer than halides, and also doesn’t require the high power, loud, fans. The only major problem with LEDs is that they aren’t able to produce nearly as many ANSI lumens as a metal halide light can. However, even with that problem, it seems that some manufacturers are turning to LED lamps for future projectors. One of the newest models to come out is the Samsung P400 projector. This model is only able to produce 150 ANSI lumens. However, the lamp has a 20000 hour lamp life. Also, when the P400 was compared to a metal halide lamp projector, there was almost no difference in brightness quality.

[via CompoundSemi Online]

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