Publisher: Supplier of LED Display Time: 2017-08-28 Views: 2519
Outdoor LED display in the LED display industry, is a very important branch of the application field, widely used in outdoor advertising, traffic information guidance, environmental monitoring and other industries.
Outdoor LED display has seamless splicing, flexible installation features, weight and traditional products compared to a lot of lightweight, and more clear and full color, allowing you to see more pleasing video images. We buy outdoor LED display screen we hope to have a good playback effect, then to buy a quality outdoor LED display should pay attention to which several purchase points? The following LCF editorial to analyze.
First, look at the flatness of the LED display screen: in order to ensure that the LED display image will not be distorted, then the surface flatness of the outdoor LED display screen must be maintained within ± 1mm, if it does not meet this requirement, and the phenomenon of local concavity and convexity will lead to the outdoor LED display in the playback of video when the visual angle of the problem of the dead angle. Therefore, it can be said that flatness is a major factor in determining the quality of outdoor LED display.
Second, look at the brightness of the LED display screen: in general the brightness of the outdoor LED display should reach 1500cd/m2 or more to ensure the normal display work, otherwise it will be because of the brightness is not enough to make people can not see the content of the image played. So in order to buy a good outdoor LED display effect should look at the quality of its LED lamp beads and its brightness parameters.
Third, look at the white balance of the LED display screen: red, green and blue the three primary color ratio is 1:4.6:0.16 when the screen will show the most pure white, therefore, if the outdoor LED display manufacturers produce the display in the three primary color ratio of a slight deviation will lead to deviation of the white balance, thus leading to the outdoor LED display display quality is affected, so when purchasing look at its white balance! It is also very important.
The above three aspects are the three points that we should pay special attention to when buying outdoor LED display.