One of the common problems of LED display: uneven brightness

Publisher: Supplier of LED Display Time: 2016-08-22 Views: 2502

Uneven brightness is a common problem when using LED displays. You may find that some areas of the screen are noticeably brighter or darker than others, which not only affects the visual effect, but may also interfere with the communication of information.


LED displays


There are a variety of reasons for uneven brightness. First of all, the quality difference of LED beads is an important factor. Different batches of lamp beads may have certain differences in brightness, color and other aspects, when these lamp beads are installed in the same display, it is easy to appear uneven brightness. Secondly, the way the display is installed may also lead to uneven brightness. If the installation process does not ensure the flatness of the screen, or some areas are blocked, it will affect the even distribution of light. In addition, problems with the drive circuit may also cause uneven brightness. If the drive current is not stable, or the parameters of the drive circuit in different areas are not consistent, it can also lead to differences in the brightness of the screen.


In order to solve the problem of uneven brightness, first of all, when purchasing LED display screens, choose reliable quality products, and try to choose the same batch of lamp beads to reduce the brightness difference. During the installation process, make sure that the screen is flat to avoid unevenness. At the same time, pay attention to avoid the screen being blocked to ensure that the light can be evenly irradiated to each area. For the drive circuit problem, it can be solved by adjusting the drive current and optimizing the circuit design to ensure that the light beads in different areas can be supplied with stable current.