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How to choose outdoor led display
Dec 30, 2016

LED display more types, according to the use of the environment can be divided into indoor and outdoor 

screen screen two. Indoor LED screen and outdoor LED screen is very different. The first is the brightness 

of different indoor screen brightness than the outdoor screen several times lower than a few times; 

the indoor screen on the outside like the TV on the outdoor brightness is not enough. Therefore, the 

outdoor screen must be ultra-high brightness LED, and in order to further enhance the brightness and 

increase the viewing distance, in a pixel often have to package more than ultra-high brightness LED. 

Second, the outdoor screen to be (rain) water, anti-direct sunlight, dust, high temperature, wind, 

lightning, etc., while the indoor screen is not necessary to consider these issues.

At present, the main problems of outdoor screen is as follows:

1. Screen installed in the outdoors, often sun and rain, wind and dust cover, the working environment. 

Electronic equipment is wet or severe damp can cause short-circuit or even fire, causing failure or fire, 

resulting in loss.

2. The screen may be caused by lightning strong magnetic strong attack.

3. Ambient temperature varies greatly. When the screen work itself to produce a certain amount of heat, 

if the ambient temperature is too high and heat and bad, the integrated circuit may not work properly, 

or even burned, so that the display system does not work.

4. Audience wide, line of sight requirements far, wide field of vision requirements. Ambient light varies 

greatly, especially by direct sunlight.

Solution and application requirements:

1. Screen body and the combination of the screen and the building must be strictly waterproof leakproof. 

Screen to have a good drainage measures, in the event of water can be successfully discharged.

2. Install the lightning protection device on the screen and the building. The main body and shell to 

maintain a good grounding, grounding resistance is less than 3 ohms, so that lightning caused by 

high-current discharge in time.

3. Installation of ventilation equipment cooling, so that the screen body temperature between 

-10 ℃ ~ 40 ℃. Screen behind the top of the installation of axial fans, heat discharge.

4. Selection of operating temperature -40 ℃ ~ 80 ℃ between the industrial-grade integrated circuit 

chip to prevent the winter temperature is too low so that the screen can not start.

5. In order to ensure strong ambient light in the case of long-distance visual, you must use ultra-high 

brightness light-emitting diodes.

6. Dasheng Optoelectronics in the display medium selection of new wide-angle tube, wide viewing angle, 

pure color, consistent co-ordination, life expectancy of more than 100,000 hours. Display media outside 

the package is currently the most popular with the cover along the square cylinder, silicone seal, no 

metal assembly. The appearance of exquisite beauty, durable, with anti-direct sunlight, dust, water, 

high temperature, short circuit and other characteristics of the circuit, the industry was known as 

the five anti.

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