2014年5月8日星期四

new retrofit product offers all the advantages of LED lighting

LED is a solid-state light source, and there’s no failure mechanism or degradation anywhere close to lamp systems,” says Matt Mazzuchi, general manager of the projection display business group at Luminus Devices, whose YAHAM Light LED chipset has been employed in the first LED theater projectors. “We’ve put 3 million to 4 million device hours under test, to where these projectors are showing incredible stability, so we’re comfortable saying things like ‘there’s a 60,000-hour lifetime’ on them.Luminus’ LEDs have been used in pocket projectors from LG, Samsung, Toshiba, Acer, BenQ and others before it showed off Full HD resolution DLP projectors from Delta and Chi Lin at January’s Consumer Electronics Show.

In addition to their long lifespan, LED projectors feature far better color saturation compared with traditional projectors, says Mazzuchi. Because reds, greens and blues are pulsed directly to the optics without going through the spinning and chopping of an ordinary projector’s color wheel, colors are richer and more saturated, with less “breakup” or “rainbow artifacts,” he explains. Also, as LED projectors don’t require any warm-up or cool-down time, they can be turn on or off instantly.

Gerritt Reinders, Energy Focus' VP of Solutions Sales, commented: "Using only about half the power of conventional fluorescent fixtures and about one third that of conventional metal halide fixtures our new retrofit product offers all the advantages of LED lighting - controllability, low maintenance and full output even at the coldest temperatures but with an important difference: Energy Focus' product can do it at only a fraction of the cost of 1st generation "high power" LED approaches."LEDs to distribute both the light and heat over the length of the four foot tube. That approach neatly solves the thermal problems normally associated with high output LED solutions without expensive heat sinks while allowing us to incorporate much of the hardware that's been devolved over the years for fluorescent."

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