Lumileds' second generation of LUXEON CoB represents a breakthrough in efficacy for arrays. It has 10% higher efficiency and 10% higher lumen output at the same drive currents as existing LUXEON CoB. Due to its small light emitting surface (LES) and industry-leading thermal resistance, LUXEON CoB is easy to work with, enabling simplified and less expensive luminaire designs. LUXEON CoBs are hot-tested at 85°C real world operating conditions, which means additional testing can be minimized. LUXEON CoB LEDs are available in 3-step MacAdam ellipse, ensuring uniform optical performance in a wide range of applications.