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LED display heating temperature is too high what damage
Nov 22,2023
Xiamen LED display is an advertising display device with audio and video functions. LED display is gradually replacing canvas advertising and light box advertising with good advertising effects. LED display is very popular because of the vivid picture, then you know what damage LED display heating temperature is too high?
This will lead to color correction failure, LED at low temperature and high temperature, the wavelength drift is relatively large.
2. Output brightness reduction: According to understanding, every temperature change in degrees Celsius leads to a 1% change in output brightness. It is worth mentioning that the red light is significantly affected, and its brightness will be reduced by nearly 2/3. Relatively speaking, the temperature influence of blue light and green light brightness is not so strong. When the temperature rises, the brightness emitted by LEDs of different colors is different.
3, leading to shortened LED life: According to a laboratory data in a country, the junction temperature increased from 63C to 74C, and the LED life was reduced from 36000 hours to 16000 hours.
4, the system cost: too many heat dissipation components are damaged, once broken must be reconfigured, thus increasing the system cost.
Increase the cost of use: because of the excessive consumption of energy, the cost of use will rise.
Xiamen LED display has a wide range of applications, will appear in shopping malls and central areas, in the subway, high-speed rail and underground parking lot we can see its figure, in these occasions the use of LED display can fully attract the attention of the audience in a small space to achieve a good communication effect.
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