LEDs in the Luxeon V package can be driven below 5A to locate high lumen applications, including high and low end luminaires, sports field lighting and outdoor area lighting.
Lumileds has released a new Luxeon V high-power packaged LED that can be driven to 15W levels and is targeted at a wide range of high lumen output applications including sports field lighting, high and low voltage lighting and outdoor lighting. In fact, Lumileds said that this compact package of single-mode LEDs can deliver more than 1700 lm at 5700K CCT and 70 CRI at 4.8A, which is equivalent to 110 lm/W.
Lumileds boldly claims that the Luxeon V is 50% higher than the lumen output of competing products. At the same time, LEDs in the 4040 package are also considered to be 60% more heat resistant than competing products. According to Kathleen Hartnett, senior director of product marketing at Lumileds, “Luxeon V implements luminaire design for stadium and area lighting, combining high efficiency at high drive currents with extremely low heat resistance and optimized radiation. ."
The performance offered by LED manufacturers to competitors is difficult to verify because physical properties such as transmitter and package sizes are typically different, or different manufacturers report performance under different combinations of drive current and CCT/CRI. In addition, the CREE XHP (Extreme High Power) LED, which is the most competitive with Luxeon V products, is a multi-emitter design.
Luxeon V marks Lumileds' first single high power package LED
Product developers are most likely to compare the Luxeon V-Series to LEDs in the 3535 or smaller package. For example, Cree's XLamp XP-L series and the latest 3.45 x 3.45 mm package of XP-L2 LEDs. The XP-L2 can deliver 1175 lm at 3A. It seems that Lumileds can drive its latest chips at higher power density levels, which can be achieved with improved thermal resistance.
However, many product developments focus on optimizing the maximum drive current for higher performance. Lumileds can be driven with high currents up to 1.4A. The 5700K, 70-CRI models are available in 580 lm or 148 lm/W, while the 3000K-CCT version is available in 545 lm or 140 lm/W.
On the official website, Lumileds said, "LUXEON V is a chip-scale package (CSP)-based high-power transmitter that provides maximum throughput and better reliability under extreme operating conditions. This world-class performance is through crystal The technological breakthroughs in pellets, packaging and phosphors have resulted in a product that goes beyond current competitive products and achieves leading lighting and luminaire design." (Compile: LEDinside James)
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