Outdoor led video display board - tips to buy better quality

To pick the best from market you must be aware of following qualities that every outdoor digital board ought to have:

1. Waterproofness

You are prone to witness electric mess if your display board is not waterproof. There are many cables involved in its functioning which need to be protected from rain & moist.

2. Heat Removal quality

Good quality LED outdoor signs are those, which have effective ventilation. It saves the board from overheating and prevents fire. So, your display board cabinet must have necessary intakes and cooling features that maintain the temperature. 

3. Adequate Brightness

An LED outdoor display board must be able to match up with natural sunshine so that the images are seen clearly in daytime too. Check the brightness of your board out of the showroom instead of probing in artificial light.

P6 Outdoor Led Display

How Led affects quality of an led display screen

For a full-color LED display, LED as its most critical components, its quality plays a very important role on the LED display. LED screen uses large number LED per square meter, LED directly determines the performance, color saturation and sharpness of full-color LED display.

P3 Indoor Led Display

1. Full-color LED display brightness

LED brightness determines fullcolor LED screen brightness, the use of higher current, the LED brightness is higher. Also, LED have different angle, in the same chip size, the smaller view angle, the higher brightness, but the display’s viewing angle generally is 100 degrees -110 degrees, to ensure LED screen sufficient angle.

2. The failure rate of LED screen
LED display is composed by thousands or even hundreds of thousands of red, green, and blue LED components. Usually failure rate is less than 1/10,000 after 72 hours aging test.

3. The light attenuation of LED display
LED brightness will slowly decay along with long term use, the attenuation is related with LED chip, auxiliary materials, packaging technology and so on. In general, after 1000 hours aging on 20 mA at normal temperature, the red LED attenuation should be less than 7%, blue and green LED decay should be less than 10%. The RGB light decay consistency has great influence on future white balance, thereby affecting the fidelity of the display screen.

4. LED display antistatic ability
Since LED is semiconductor devices, it’s sensitive to static electricity, can easily failure by static, so the anti-static ability is essential for the lifespan of LED display. Generally, LED lamp anti static voltage testing should be no more than 2000V.