Since LED technology became mature enough for lighting applications, it has soon entered a plateau period and attracted players across the globe. The industry then turned into a battlefield with low price products and flat profit. Several leading lighting companies including GE, Osram, Cree and others, enlarged their focus into other special lighting applications. Horticulture lighting is one of their targets. (Image: Osram) Adding artificial light sources to help crops to grow has a long history in horticulture but the use of LEDs for such applications offers complete...