According to the iSuppli research report, global LED sales are expected to increase by 10.9% annually to $7.4 billion in 2009 and further climb to $14.3 billion in 2013,
Mandatory national standards for lamps will come into effect on January 1, with category 0 lamps with the lowest safety level gradually withdrawn from the market according to the regulations.
According to relevant information, in the part of LED light source, with the rapid improvement of white LED luminous efficiency and rapid price reduction
According to different ballast methods used in gas discharge lamps, ballast circuits can be divided into five types: resistance ballast, inductance ballast, capacitor ballast, inductance - capacitor ballast and electronic ballast.
In recent years, China's electric light source industry has made great progress, and the international light source development, research and marketing center is shifting to China.