Recently, Philips announced that it has developed an energy-efficient LED Tube suitable for basic lighting. Prototype of this LED tube has been produced, it can produce 200lm / w high quality white light (luminous efficacy of fluorescent is 100lm / w, while the luminous efficacy of traditional bulb is only 15lm / w); while the energy consumption of this new tube is only equivalent to half of the energy consumption of the similar LED products in current market. This innovation of Philips is expected to significantly reduce energy consumption and energy usage costs around the...