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Made of stage lamps, many LED tubes together, the temperature of the LED tube will rise, which will lead to the LED tube luminous efficiency is reduced, shortened life.

At present, the structure of the general power type LED tube has been greatly improved, not only with the heat conduction substrate itself, but also with the aluminum base metal core printed circuit board (MCPCB) as the heat dissipation substrate, so that the heat generated by the internal chip can be exported. In addition to the heat dissipation plate or fin with heat dissipation, the whole heat conduction channel from the LED tube body to the light body is also very scientific. If the working temperature of the internal LED chip is controlled within 100 C (the limit temperature of LED is about 150 C), the life of LED can reach tens of thousands of hours.

The life of LED is as long as tens of thousands of hours, and the life of incandescent lamp is only hundreds or thousands of hours. But in the early research and development of LED lamps, LED installed in the lamps and lanterns appeared difficult to solve the problem of heat dissipation, so that the life of LED greatly shortened, affecting the promotion of LED lamps and lanterns. LED tube is semiconductor luminescence. At present technology level, the electrical energy input by LED is converted to visible light, and the remaining 80%~90% energy will be converted into heat energy. These heat energy must be distributed in time, otherwise, the temperature of the core will be increased. If working at room temperature, the life of LED can reach five to one hundred thousand hours.