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IQE

18 March 2014

Cree’s XB-H high-density discrete LED combines high lumen output and optical control in smaller package

Cree Inc of Durham, NC, USA has introduced the XLamp XB-H LED, the brightest discrete in the firm’s high-density (HD) class of LEDs, delivering a combination of high lumen output and efficacy in a small package.

The XB-H LED brings the lighting-class performance of the XP-G2 LED into a package that is 50% smaller, says Cree. Delivering more than 500 lumens at 1.5A (25°C) in a 2.45mm2 package, the XB-H LED can enable luminaires that use the same-size-footprint XB-D LED to triple their light output at the same efficacy, the firm adds.

The XB-H joins the XQ-E in the family of HD-class discrete LEDs that offer what is claimed to be the industry's highest optical control factor (OCF, a measurement of how LED size and performance benefit directional lighting applications). High-OCF LEDs enable lighting manufacturers to improve the performance of any lighting design, create smaller and less expensive systems, and develop new lighting solutions that were previously not possible, says Cree.

“Cree is the first LED manufacturer to bring this level of performance to such a small size,” comments Roger Suen, supply chain management director at LED lighting firm Light Engine Ltd. “With a high optical control factor, the XB-H LEDs enable new levels of brightness and optical control to improve design flexibility, increase performance and lower system cost without sacrificing reliability,” he adds.

Utilizing Cree’s proven ceramic package technology, the XB-H LED delivers long L70 lifetimes at both high temperature and current. It also offers compatibility with most optics designed for Cree’s XP family of LEDs, allowing lighting manufacturers to leverage the optics of existing lighting designs and improve time to market.

“Delivering up to 175 lumens-per-watt efficacy at 1W (25°C) in its small package, the XB-H LED sets a new performance standard for high-power LEDs,” claims Dave Emerson, VP & general manager for Cree LEDs.

To improve time to market, lighting manufacturers seeking ENERGY STAR qualification can take advantage of the XB-H LED’s successor status to the XP-G2 LED, so qualification can be achieved using just 3000 hours of LM-80 data instead of the normal 6000 hours.

The XB-H LED is available in color temperatures ranging from 2700K to 8300K and color rendering index (CRI) options of 70, 80, 85 and 90. Binned at 700mA (85°C), the XB-H LED delivers up to 499 lumens at 5W (85°C). Product samples are available now and production quantities are available with standard lead times.

See related items:

Cree launches XLamp XQ-E as new generation of lighting-class LEDs

Cree launches XB-D lighting-class LED on new platform that doubles lumens-per-dollar

Cree boosts brightness of XLamp XP-G2 LEDs by 7%

Tags: Cree XLamp LED

Visit: www.cree.com/ocf

Visit: www.cree.com/LED-Components-and-Modules/

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