It's been a year and a half since we first saw a TV using Luminus Devices' PhlatLight LED back-lighting system, and it's taken that long for the technology to reach brightness levels sufficient for a ...
All projectors are powered by a bulb or lamp that, like any light source, will eventually wear out and need to be replaced. Most bulbs or lamps will last for about 2,000 hours, though some projectors ...
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