The liquid crystal molecules line up and the incident light passes through when power is on, the privacy film becomes transparent from an opaque state. On the other hand, when the power is off, the liquid crystal molecules are randomly oriented so that light is scattered, results in opaque state.
Extremely New Technology!
The stable state of the film is transparent when the power is off! As no power is consumed when the film is transparent, it is suitable for the environment where the transparent state is usually preferable.
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The smart film without adhesive is for glass maunufacturers to make laminated smart glass, IGU smart glass, etc.
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The self-adhesive smart film is prepared for consumers to install on the existing glass.