Compact fluorescent bulb is a type of fluorescent bulb which has more compact structure and cute appearance. Compared with ordinary fluorescent light, it has many outstanding benefits listed as below: (1)high light output, excellent color rendering and high illuminance; (2)dramatic energy saving and longer life; (3)no liquid mercury is used; (4)lead free available; (5)low power consumption; (6)wide range of applications; (7)safe to use and enviromental friendly; (8)no nois, no flare, low harmonic, anti-distubance and eyes-protecting during working; (9)flicker free starting operation and universal burning position. Compact fluorescent bulb consists of a high performance electronic ballast and a trichromatic fluorescent lamp. Its colors include warm white, cool white and day light. In order to resist high temperature, high pressure and fadeproof, this bulb adopts with pure tri-color phosphor powder and PBT fire rated materials. It can be classified into E27, E26, E14, and B22 according to the bulb base. Futhermore, the fluorescent bulb is designed for home, hotel, office building, shopping center, canteen, factory, hospital, school, etc.