Brief Introduction of LED lighting in low temperature

1, what is the low lighting?
Low lighting refers to the use of artificial light source lighting, ambient temperature is below 5 degrees Celsius C places, such as the refrigerator, freezer, refrigerator, cryogenic plant, outdoor lighting. Past low lighting light fluorescent LED light source, and now a place in low lighting.

2, fluorescent applications in low lighting
Although the fluorescent light in a conventional room temperature, the luminous efficiency of up to 90lm / W regarded as a high-efficiency light source, but when entering the low light environment, whether it is luminous efficiency, illumination or aesthetic design shows more disadvantages. Even if some manufacturers have introduced special low-temperature fluorescent lamps, to solve the the luminous efficiency problem, but still can not take into account the illumination and aesthetic requirements. And the price is very expensive. In a low temperature environment, the very ordinary fluorescent luminous efficiency can be halved, and life will be shortened. Even without considering the problem of uneven fluorescent illumination at low temperatures, but also consider the problems due to the lack of fluorescent light color and color rendering, because it can not show the best color of goods, can not achieve the purpose of attracting consumers.

 3, LED used in several major advantages of the low-temperature lighting
Compared to CCFL fluorescent cold light source, LED used in low lighting or special advantage.
LED even at a low temperature of minus 40 degrees Celsius environment, but also to achieve instant start and does not require special circuits or programming.
LED luminous efficiency at low temperatures almost unaffected, and may even be better than the room temperature environment.
LED is a point light source, with small size, light point features can be arranged in accordance with the design requirements in refrigerated cabinets, display racks, and other places. And the LED can provide adequate uniform illumination to better see the product label.
Fourth, the LED highbay light color, color temperature, color rendering variability, different lighting requirements can be based on different commodities to choose the right LED light source to achieve the purpose of attracting consumers.
Is the difference between LED and CCFL power supply before CCFL first to go through the buck-boost DC / DC converter, it will wear out 10% of the electrical energy via the Inverter wear out 25% of the electrical energy is provided to the Fluorescent tube energy about only 70%. But the LED just after LED Driver can be powered directly, the entire transformer circuit efficiency up to 90%, has a large energy advantage.

 4 LED low-temperature lighting future prospects
The low-temperature LED lighting was first used in 2002 in cooperation with the the LRC lighting Institute GELCORE the development of low-temperature LED lighting system. 2008 has manufacturers introduced a household refrigerator LED preservation technology, is very promising. According to incomplete statistics, the world's only refrigerators, refrigerated / freezer shipments per year hundreds of millions of units, each implant only 5 High Power LED arithmetic demand in turn is a huge demand for market. With the increasing demands of the international environmental protection and energy conservation, it is estimated that the low-temperature LED lighting occupies a market share of the low-temperature lighting system with its large advantages.

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