What is PDLC (Polymer Dispersed Liquid Crystal) Film?

It means to change the transparency and opacity of the button operation.

In other words, the operation (ON/OFF) of turning off and on the button to which the electrical signal is input.

It can change from transparent to opaque depending on the signal.

Normally, it protects privacy by blocking rays, blocks sunlight and infrared/ultraviolet rays

block it from the outside. In addition, it has an insulation function and outputs images through a beam projector.