Our privacy film or Secret film is a kind of Micro Louver film that is
made with transparent film and hundreds of micro grid are layered
vertically & densely that playing a role as a curtain to block the screen
that turns black when viewing at 30 degrees either side or 30
Provides distinct & clear screen when viewed from front of the screen
but turns black at 30 degree from either side of the screen, while user
can see the screen clearly when viewed from the front, to ensure the
protection of personal information.