How to fly your brand video advertising in the sky? LED film?

What is LED film?

Invisible film LED screen is a kind of LED displays which is made from PET & silver wire, there is no solid PCB inside for 95% transparency, even more, the film has self-adhesive glue-water, you can paste on the window glass easily. The most important, the film has same material to window glass, they combine well during a few years for durable installation.