At the "New Generation Lighting Technology Exhibition" (Tokyo Ariake International Convention and Exhibition Center, January 19~21, 2011), Cree exhibited LED "XLampXM- with luminous efficiency up to 160lm/W". Lâ€. The LEDs on display were the products announced by the company in April 2010. Just listed at the end of 2010.
The LED product is driven with a forward voltage of 2.9V and a standard current of 700 mA. However, the luminous efficiency at this time is about 135 lm/W. 160 lm/W is the value when the flowing current is reduced to 350 mA.
This product has other features besides luminous efficiency. First, it is possible to pass a large current. "When the maximum drive current is 3000mA, the forward voltage is standard 3.35V and the beam is about 1000lm." The maximum current of the original product is mostly 1500mA.
Another feature is that a light-emitting module has a diameter of 5 mm, which is twice that of the original product. Regarding this feature, Jaap Schlejen, vice president of professional lighting business of Philips Lighting in the Netherlands, pointed out in the keynote speech of the new-generation lighting technology exhibition: "By expanding the chip, the luminous efficiency can be improved. Corubra and Philips Lumileds Lighting are at this point. Take the lead."
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