Two strips which have slight difference in spatial frequency have the same black line position on the left end, because of the same interval 丌, they will be coincident gradually on the right side.Ģ. The moire is a manifestation of the the beat principle but the scan lines are caused by the low display refresh rate which are caught by the camera.ġ. Usually the moire is in inconstant arc diffusion state but the scan lines are horizontal black stripes straight lines.Ģ. ![]() There are several differences between them:ġ. In fact, the phenomenon is not caused by the display itself but caused by the shooting angle and camera focal length. Clients always doubt our led display quality because they always encounter with the moire and scan lines when they use their phones and cameras to take photos of our led display.
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