LED Luminaries

LED news and insight from our technology editor Steve Bush, who has been messing with LED lighting for more years than he would care to remember.

Cree ups game in lumen density

Cree XB-H lighting LEDIntending to decrease the diameter and therefore cost of optics, Cree has introduced an LED that can deliver 500 lm from a 2.45×2.54mm package.

The firm has called the family XB-H, and says it has the performance of an XP-G2 in a package half the size.

There is some more information on the Electronics Weekly news site.

To make the figures look good, Cree has measured several of them at 25°C, so watch out for that.

Binned at 700mA (5W), 85°C figure is up to 499 lm.

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