Moiré effect is a visual perception that occurs when viewing a set of lines or dots that is superimposed on another set of lines or dots, where the sets differ in relative size, angle, or spacing. The moiré effect can be seen when looking through ordinary window screens at another screen or background.
The moiré can be reduced by moving the camera left and right or up and down to change the angles between camera and LED display. Change the focus. Excessively sharp focus on detail of image will lead to moiré. But a slight adjustment in focus can change the sharpness, which in turn helps eliminate moiré.
Moiré effect is the physical limit of led displays, so far there is no way to eliminate moiré effect completely, but there are methods to minimize its impact:
1. including adjusting camera distance and angle
2. adding on optical treatment film
3. glue to the surface of the led display
4. removing module masks
these measures can help but there is no guarantee of complete moiré elimination
What is Moiré effect
Sep 18, 2021
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