ZIGEN Lighting Solution based in Hiroshima Japan announced a tunable while COB LED product, which changes luminous color following the blackbody locus (BBL) by 2 channel inputs. With its proprietary ON-BBL LED structure, the color range of ZIGEN’s tunable white COB LED product, ZG7BGXL5W00, is set from 2000K sunset color temperature, preventing middle color from becoming pinkish. (Image: ZIGEN) So far, luminaire manufactures have to take care Duv (deviation from the BBL) in the middle color when designing a tunable white...