Founded in 1948, LWB is a well-known German manufacturer of phosphor powder. In 2003, he and the Toyota Synthetic Co., Ltd. jointly published the Silicate type phosphor powder for LED application. In the same year, the company patented Silicate series with green, yellow and orange powder. The wavelength range of phosphor powder is 510~610nm. In 2008, Nitride nitride phosphor powder was introduced. The wavelength range is 600~650nm. Product quality has always been the ultimate goal of LWB in Germany, and it provides customers with complete LED packaging solutions.