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LED array generates over 13 kilolumens

High-brightness LED lighting developer Lamina Ceramics says that it has made the brightest LED "light engine" ever.

LED-based lighting could be about to make a big impact in very-high-brightness applications, according to a US company that has developed a 13,300 lm source.

Lamina Ceramics, which is based in Westampton, NJ, claims that its 5-inch diameter light source is an order of magnitude brighter than anything previously demonstrated with LEDs.

Lamina, which sources red, green and blue LED chips from various suppliers to incorporate into its lamps, says that the development will result in new applications for solid-state lighting in building illumination and large interior spaces.

It adds that the LED fixture is brighter than traditional incandescent sources.

The very high brightness is possible because of the company s development of thermal management technology. Its low-temperature co-fired ceramic-on-metal (LTCC-M) approach allows dense clustering of large numbers of LEDs.

Normally, the high temperatures generated at very high outputs either damage the LEDs or reduce their output. Lamina s technology, which was first developed at Sarnoff Corporation, transfers heat away from the devices and enables them to continue working under higher loads.

The 13,300 lm, 860 W lamp features independently-controlled red, green and blue channels. Lamina says it delivers up to 4600 lm red light, 7600 lm in the green channel and 1100 lm of blue.

This allows white-light generation corresponding to the 3000-6500 K range of color temperatures.

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