Recently, Philips announced the official listing of its universal LED bulbs at the minimum price of $ 49, the introduction of this new bulb will enable the mature LED indoor lighting products to be more widely used by the common consumers. The newly launched Philips universal LED bulb inherits the innovative LED technology and sophisticated production processes. According to reports, this product passed through the photo-biological safety certification, it saves more energy than incandescent lights by 80%, and it is suitable for the screw design of lamps most commonly use...