Protecting Outdoor Dynamic Advertising From Sunlight

Protecting Outdoor Dynamic Advertising From Sunlight

When LCD and plasma TVs are located outdoor in the open, employed for outside electronic marketing, passenger information or just for entertainment, regularly in an outdoor LCD enclosure, some monitors are left vulnerable

Sunlight will cause many problems, each being linked to the varying radiation emitted from it. The 3 kinds of radiation that is present in sunlight is visible light, ultra violet and infra red and all produce issues with outside televisions.

The most comon we make out is visable light, the intense, bright light over powers the backlight of the TV, making the screen appear washed out, with low contract and low quality makes the TV tricky to see even in high light situation.

High brightness tvs are being deployed to make certain that outdoor tv's are still readable - irrelevant of the lighting condition. To do this they either use high power backlights that are in surplus of three times the standard Industrial grade lcd monitor, alternatively transflective technology that uses the sunlights own light to reinforce the picture. Both work well but the first solution uses more power and is less green.

With the sun, heat is produced and causes issues with outside Monitors. Infra red radiation is the heat we get from the sun, this heat causes heat built up adding to the heat made by the tv.

So how do you counteract the headache of undue heat build up produced by the sun? An outdoor LCD enclosure with the best thermal management system, it is paramount that the cooling system is controlled automatically by thermostats.

Ultra violet radiation is the very last problem for out-of-doors screens. Ultra violet radiation will discolour a screen when the sun is in the direct path of the display causing the screen to go either yellow or grey, the ideal solution is to have a special tint on the front of the window and to make sure the screen is not too near the front window as this will trap hot air and will cause pixels to fail.

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