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From the thermal properties and service life to understand the working principle

Release time: 2015-06-03 08:33 Views:

From the thermal properties and service life to understand the working principle of LED bulbs

 

 

First from thermal properties to say. Under the influence of the small current, the rise of temperature of the LED bulbs is not obvious. However, if the environment temperature is higher, LED energy-saving lamps, dominant wavelength will transfer, with the decrease of brightness and luminescence uniformity and consistency will gradually become worse. In particular, the rise of temperature of the LED bulb price large screen affect the reliability and stability of the LED bulbs will be more obvious. So, heat dissipation design is critical for LED bulbs.

The following about the service life of LED bulbs. LED bulbs if work for long, will droop and lead to ageing, especially for high power LED light failure problem is more serious. When measuring the service life of LED bulbs, if only to the damage of the lamp as the end of the life of LED bulbs, it is not enough, should according to LED energy-saving lamps, light failure is to reduce the percentage of service life, reduced by 25%, for example, to measure will be more meaningful.