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Lumileds doubles flux of LUXEON CoB with new high density

Lumileds doubles flux of LUXEON CoB with new high density

May 12, 2017: Lumileds introduced the LUXEON CoB Core Range – High Density, a range of CoBs that feature double the luminous flux of the LUXEON CoB Core Range (Gen 3) devices. Focusing on the most popular light emitting surfaces (LES) for spot lighting applications(6 mm, 9 mm and 11 mm), these High Density CoBs can achieve the highest center beam candlepower (CBCP, or punch) in narrow beam (<20°) spotlight applications.

“Our customers require the sharpest beams and precise beam control. LUXEON CoB Core Range – High Density caters to this market by delivering the highest punch at low beam angles along with exceptional quality of light,” said Eric Senders, Product Line Director for the LUXEON CoB LEDs at Lumileds.

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Light quality of the LUXEON CoB Core Range – High Density products is reflected in the 3 step MacAdam Ellipse color definition. Quality of light is also associated with the color over angle (CoA) of LEDs used in spotlight applications. When the CoA is high, a so-called “halo effect” is created, where a halo or yellowish ring around the spotlight can be seen, especially against a white wall. With the LUXEON CoB Core Range – High Density array, the color differences within the beam are minimal, thus eliminating the halo effect.

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LUXEON CoB Core Range – High Density features a maximum flux of 2,500lm from a 6 mm LES, 5,000 lm from a 9 mm LES and 6,000lm from an 11 mm LES (3000K, 80 CRI). The arrays are offered over a color temperature range of 2700K to 5700K and CRI of 70, 80 or 90. The CoBs provide the industry’s lowest thermal resistance, enabling smaller heat sinks and optics for lower overall system cost. The MCPCB substrate is also more robust than ceramic substrates that are subject to cracking upon assembly or use.

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