Chinese manufacturer, EXC Technology, claims to have surpassed the 250 lumens per watt (lm/W) efficiency barrier—a significant milestone in the pursuit of more energy-efficient outdoor lighting. The company, based in Shenzhen, unveiled its MYS4C/MLS6C module, reporting a luminous efficacy of 250.5 lm/W. EXC attributes this high efficiency to a combination of advanced optical design, [...]