Transparent LED matrix

this is the real High technology we found on Light & Building Frankfurt 2018

Muehlbauer Group providing this machine to make Flex PCB
you will see it's just like a paper ,quite slim,

it could be bend 180 degree or you can stick it to panel quite easy

this show board has approxmate 1.2 square meters LED paper , mounted on
a bendable black color PVC board 
no matter which kind of SMD LED, the machine could work out the design you planned
this is the sample show board with the RGBW addressable LED