Cree has announced the CXA1310, CXA1850, and CXA2590 COB LEDs with light-emitting surface (LES) diameters of 6, 12, and 19 mm, respectively. The products are part of Cree’s COB offering that the company terms high density and are designed to maximize the candela (cd) per dollar for directional applications, as opposed to the standard-density products that are focused on maximum lumens per dollar.