Cree announced the introduction of the high-density LED arrays XLamp CXB1310 and XLamp CXB1520, continuing to break through the performance barrier. Based on the elements of the Cree SC5 technology platform, these two LEDs provide higher lumen density and lumen output on the corresponding luminescent surface LES (6 mm and 9 mm). This technological advancement can bring differentiated performance and new form factors to applications such as track lights and downlights .
For example, the CXB1520 is capable of providing a lumen output equivalent to a 7ç›led bulb (replaced for a 60W incandescent lamp) in an area of ​​less than 10 cents. This can help lighting manufacturers to arrange more light where they are needed, while at the same time achieving lower system costs.
Massimo Parravicini, Director of R&D at Reggiani Illuminazione, said: "The high-density CXB1310 LED array achieves very high light output in a small package. The high lumen density of the CXB1310 will help our LED lighting design achieve previously impossible high performance. And size."
The superior performance of Cree's high-density CXB LED arrays will help lighting manufacturers reduce thermal, mechanical, and optical costs at the system level. For example, a high-density CXB1520 LED with a color temperature of 3,000 K and a color rendering index of CRI 80 uses a 74 mm diameter reflector to achieve a 10 degree beam angle of over 50,000 cd and a power of only 40 W. This high lumen density can help lighting manufacturers achieve a performance equivalent to the PAR20 optical package size and reduce power by 43% when achieving the equivalent of a 70 W ceramic metal halide lamp PAR38. The high-density CXB1310 LED delivers up to 3,200 lm of light output in a 6 mm illuminated surface LES, enabling similar size reduction and power reduction over conventional light sources.
Justin Weaver, vice president of engineering at LF Illumination, said: "Our VF Series Grade Luminaire downlights use Cree's high-density CXB1520 LEDs. High-density CXB1520 LEDs help our downlights in 4" and 28W power platforms Achieve up to 2,700 lm of light output. Previously, this was only possible with larger and higher power product platforms. The high-density CXB1520 LEDs have a very high light efficiency of lm/W, which will reduce the heat sink of most of our products, simplify our lighting design and significantly reduce system cost. â€
Cree high-density XLamp CXB LED, characterized by 85°C, EasyWhite color temperature binning (2,700 K - 6,500 K), 2-step, 3-step, 5-step MacAdam elliptical tolerance, CRI 70, 80, 90 optional, can provide excellent light color consistency for lighting design that requires only one LED. The LM-80 long-term test data for the CXB1310 and CXB1520 is readily available, and the L90 life report is estimated to be at least 36,300 hours at 85 °C and 105 °C.
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