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Power-efficient LEDs replace conventional light bulbs

Posted: 12 Feb 2010     Print Version  Bookmark and Share

Keywords:LED  light bulb  lighting application 

XLamp MPL EasyWhite LED

Cree Inc. has developed lighting-class LED that can obsolete energy-inefficient light bulbs in what it claims is the industry's smallest package. Featuring Cree's EasyWhite innovation, the XLamp MPL EasyWhite LEDs are specified like traditional light sources—simply indicate the desired colour temperature and brightness.

The XLamp MPL EasyWhite LED offers the performance, colour consistency and lumen density to displace conventional light sources. The multi-chip XLamp MPL EasyWhite LED is optimised for directional lighting applications, including PAR- or BR-style light bulbs. With proper system design, the MPL EasyWhite LED can deliver the required light output for a 3000-K, 75W equivalent BR-30 light bulb, but would consume 78-per cent less energy than traditional incandescent technology. This would meet the efficacy and lumen-output requirements for integral LED lamps as defined by ENERGY STAR.

"Cree has virtually eliminated the need to learn and understand LED bins thanks to EasyWhite colour temperatures," said Fred Dorrani, president, T^3 Mark, Inc., an LED integrator specialising in light engines. "Combined with the single-light-source design of the LED, it can simplify design and manufacturing, speeding overall time-to-market and improving product consistency."

"Cree is raising the bar on LED brightness, efficacy and ease of use. We are providing the MPL LEDs the way the lighting industry has wanted to buy LEDs," said Paul Thieken, Cree, director of marketing, LED components. "Customers using EasyWhite colour temperatures can shorten the design and manufacturing cycle for new products, while improving colour consistency and reducing pixelation in their product. The MPL EasyWhite LED further broadens Cree's portfolio of application-optimised LEDs, specifically designed to meet the needs of the lighting industry."

MPL EasyWhite LEDs are offered in 2700-K, 3000-K, 3500-K and 4000-K colour temperatures that are in the centre of the respective ANSI C78.377-2008 colour bins. Due to the superior colour consistency of the MPL EasyWhite LEDs, the colour space occupied by each of these colour temperatures is 75 per cent smaller than the total area of the corresponding ANSI C78.377 colour bins. This can reduce component count and eliminate complex mixing recipes and the pixilation often associated with other LED designs.

The XLamp MPL EasyWhite LED features up to 1500 lumens at 250mA and a compact 12mm x 13mm footprint, which is 72 per cent smaller than the nearest-competing LED component. It is commercially available in volume now with standard lead times and in small quantities through authorised Cree distributors, as well as in sample quantities direct from Cree.





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