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The State of LED Front Projectors

by September 02, 2008
LED Comes to HT Projectors!

LED Comes to HT Projectors!

LED projectors had been rumored since as early as 2006, however none truly came to fruition (apart from largely experimental portable microprojectors) until the 2008 CEDIA Expo in Denver. LED-based front projectors would be a potential boon for consumers as they will solve several issues in the realm of home theater projection:

  • Better color reproduction (wider color gamut)
  • The end of bulb replacement
  • Better calibration retention over time

We have to admit, LED technology seems to be well-matched with DLP. For one, LEDs have a fast switching speed. They can switch on and off in microseconds. The micromirrors in DLP chips can match that switching speed so you can literally pulse the LEDs and mirrors to get the right colors on the screen. This not only  dramatically reduces the potential for rainbow effect (RBE), it more naturally produces a picture with higher light output potential.

At the show, several manufacturers announced new LED-based technologies. The first manufacturer to bring LED lamp technology to the home theater market is Delta Electronics. Delta's new 1080p DLP projector features an LED-based optical system from Luminus Devices. The new LED tech is dubbed "PhlatLight" and promises to last around 20,000 hours - around 5-7 times longer than traditional metal halide bulbs.

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About the author:

Clint Deboer was terminated from Audioholics for misconduct on April 4th, 2014. He no longer represents Audioholics in any fashion.

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