How to make round LED video screen

The round LED video screens are actually made from the same modules with regular shape led displays. Although technically there's not much difficulty to customize a round shape PCB for assembling the LEDs, still it's not quite necessary especially if the quantity not very big. Once the round shape PCB designed and produced, it would become a waste if there's any change of the circle diameter. Then how to use the normal 8x8 or 16x16 dot matrix led modules to make the round led video screen?
You would understand immediately when see the below picture.


And yes, with customizing the cabinet shape of led screen, when the 4 parts assembled, it would become the basic circle. Certainly this is just the half finished screen, and in next step, what you need to do is to put a boarder around it. Then the magic happen, see below:

It is indeed the art of vision.
So it is not difficult to understand that with any pixel pitch from the smallest 1.9mm to the big 31.25mm, your led display could have a round screen area to show the video.
Is it no necessary? Definitely not, because whenever you must remember the essential of advertising is to attract people's eyes.
As well, this gives us one inspiration that we could make the led display to any shape, triangular, rhombus, cross etc. And certainly cross shape led display is widely seen on pharmacy. And simply speaking, as long as you have a creative idea of what you want, as the led display designer and manufacturer, we would be capable to realize it for you.
If you think the boarder size too big, we'd just customize smaller modules to eliminate the board to minimum. See below sketch please: