omniture Analyzes Development of China's Incandescent Lamp Industry

2008-12-24 15:22 690

BEIJING, Dec. 24 /PRNewswire-Asia/ -- ( ), one of China's leading B2B search platforms with more than 30 B2B industry websites to its name, illustrates China's lighting ( ) industry. Currently, light sources in the market include Halogen tungsten lamps and incandescent lamps, both with luminous efficiency of 12 to 24 lumens/watt; ultraviolet high pressure mercury lamps and fluorescent lights, effective for 50 to 120 lumens/watt; and white LEDs ( ), which increased their luminous efficiency from 5 lumens/watt in 1998 to 15 lumens/watt in 1999, matching the performance of household incandescent lamps ( ), then in 2000, reached 25 lumens/watt, matching that of halogen tungsten lamps.'s analyst predicts that in near future, LED light efficiency is expected to reach 150 to 200 lumens/watt or even higher, almost reaching the ampere class. It is very possible that white LED would become a household light source in the near future.

The commonly used incandescent lamps and halogen tungsten lamps are economical light sources, but are low in efficiency, have a short life span, and require heavy maintenance. White LED lighting, are more efficient, has a longer life span (working above 100,000 hours), and almost require no maintenance. At present, a German company with white LED technology has developed a reading light for use in aircrafts; Australia has adopted white LED ( ) for street lamps; China's urban traffic control lights are replacing old ones with white LED light sources.

It is foreseeable that in the near future, white LED light will inevitably replace the current lighting devices by entering into households.

LED light ( ) sources require less power, are low in energy consumption, and have the features of strong applicability, high stability, short response time, no pollution, and multi-colours light-emitting. Prices are relatively higher than existing lighting equipment, but LED is considered as the future of lighting devices.

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Keywords: Machinery