The service life of the LCD display backlight is 100000 hours in theory, in the actual use related to many factors, such as backlight of the working voltage is 3V, you use as far as possible is 3V power supply, if above 3V, used occasionally, can also use it for a long time, will cause the service life of the lamp to shorten, burn out the phenomenon of short circuit, less than 3V, can cause back the brightness of the light source is not enough, can not meet the actual need of product effect.


Backlight source normal working temperature range is -20℃ to +70℃, it is recommended to work in this temperature range, is conducive to long term use do not damage the lamp beads and guide plate.


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