Material changing “physical” property by the use of electrical current? Or the generation of an electromagnetic-wave of a specific frequency by the current-induced thin film to interfere with light wave/photons? I guess it’s the latter. Anyone can verify?
hi, it's a projection application. it's mostly applied on glass door and window. Re. price you can give your request size and quantity, also the delivery address, we can give you a total price with shipping included.
