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The LED light source type

The current LED illuminant is divided into SMD and COB, SMD is the lamp-type module composite source technology, and COB is the integrated light source technology.

Luminous efficiency has been enhanced greatly for LED, after decades of technical improvement. Incandescent lamp, halogen lamp is 12-24 lumens/watt, fluorescent lamp is 50 ~ 70 lumens/watt, sodium lamp is 90 ~ 140 lumens/watt, most of the electricity consumption turns into heat loss. LED will be reached 50 to 200lm/w after improved, and the light will have a good monochromatic color and a narrow spectrum, can be emitted colored visible light directly without filtering. At present, all countries in the world are working to improve the efficiency of LED lighting, and in the near future they will be more efficient.

LED single-tube power 0.03 ~ 0.06 watts, dc drive, single-tube drive voltage is 1.5 ~ 3.5 volts, current is 15 ~ 18 mA, the reaction speed is fast, can be in high frequency operation. Under the condition of same illumination, power consumption is one over ten thousand of the incandescent light bulb, half of the fluorescent tube, Japan estimates, such as adopting two times higher than fluorescent lighting LED to replace half of Japan's incandescent lamp and fluorescent lamp. It saves the equivalent of 6 billion litres of oil a year. In the case of the bridge guardrail lamp example, the same effect of a fluorescent lamp is more than 40 watts, and the power that adopts LED is only 8 watts, and can be changed in seven colors.

LED lights is small, light in weight and epoxy resin which can withstand high strength mechanical shock and vibration, not easy broken. The average life span is 100,000 hours. LED lamps use life can reach 5 ~ 10 years, which can reduce the maintenance cost of lamps and lanterns greatly, avoid changing the broken lights often. 

Low heat, no thermal radiation, cold light source, can ccurate control light and light Angle, light color is soft, no glare; Non-mercury, sodium, and other substances that may be hazardous to health. The built-in microprocessing system can control the intensity of light, adjust the way of light, and realize the combination of light and art.

Leds are all-solid luminaries, earthquakes and shocks are not easily broken, waste can be recycled, and no pollution. The light source is small, can be assembled at will, easy to develop into the light and short small lighting products, also facilitate installation and maintenance. Energy saving, of course, is the main reason we consider using the LED light source, might be more expensive than traditional light source, LED light source but with a year of energy recovery of investment of the light source to obtain several times a year 4 ~ 9 years periods of energy conservation and net income.