due to growing and changing standards in power saving technology, leadtrend technology aims to develop the most premier ic to save more energy. presently leadtrend technology has developed the“500v high voltage start-up green mode pwm controller”. it is an exclusive ic that is competitive with the global top-tier company. leadtrend technology dominates the market for dsc flash light controller ic and has earned a good reputation for making advancement in finding a total solution with its products.