Link to a video that made me understand how screens are mounted. I can have as many as I want in sizes given by this manufacturer in different combinations so they fit my walls where needed. They’re low in energy use LED screens.
I was mainly looking for the thickness of this mechanism to draw on my plans.
https://www.optoma.co.uk/product-details/thd1560#specifications
Other links I had a look at.
https://www.esdled.com/bim-min-flexible-curved-narrow-pixel-pitch-led-display_p41.html
This one has even smaller panels that can be curved.
https://field.io/project/kapsarc-vision-wall/
smaller screens with visible edges.
https://www.planar.com/products/large-format-displays/