• Privacy and security with architectural integrity
  • Visual attention to interior and exterior design
  • No distracting shutters and drapes
  • Beauty and functionality combined!

HOW IS OUR SWITCHABLE PRIVACY GLASS GREEN?
Polytronix is aware of the importance of limiting its carbon footprint, and is proactive in implementing directives to ensure our glass/film products are ecofriendly. Switchable Privacy Glass saves energy by using natural lighting while maintaining privacy.

Switchable Privacy Glass incorporates environmentally friendly procedures by:
  • Reducing fabric wastes used to make curtains/drapes
  • Eliminating the need for projection screens and dry erase boards
  • Liquid crystal components are organic and biodegradable
  • Very low power consumption (equivalent to a clock radio)
  • Blocks over 80% infrared and over 99% ultraviolet light
BENEFITS TO OUR CUSTOMERS
Highest Quality Product
  • Leading manufacturer of PDLC glass panels
  • Cooperation with experts in glass and architectural industries
Qualified Laminators in both east and west coasts
  • Lower shipping costs to customers
Customer Services and Technical Support
  • Quick response to customers’ needs
  • Field supervision when necessary

Technology & Manufacturing

Structure of Switchable Privacy Glass Liquid Crystal Film
PDLC (Polymer Dispersed Liquid Crystal) is a medium whose light scattering power is adjustable through applying an electric field. In their natural (uncharged) state, the PDLC droplets randomly align.

PDLC Light Scattering Mechanism (How it Works)
The ordinary refractive index of these liquid crystals does not match that of the polymer, and the incident light is thus scattered, resulting in a translucent state. When an electric field is applied across the material, the PDLC droplets re-orient, and subsequently the extraordinary refractive index of the liquid crystal matches that of the polymer. Therefore, the incident light can pass through, resulting in a transparent state.

MANUFACTURING:
Field tests have successfully demonstrated that our Switchable Privacy Glass, when properly installed and maintained will last for more than ten years.

Our Switchable Privacy Film is made of two layers of transparent conductive films sandwiched with PDLC material. The film is then laminated between two pieces of glass. When electricity is applied to the film the liquid crystals line up and the window is clear. When the power is turned off, the liquid crystals return to their normal scattering positions and turn the glass from clear to translucent.

The liquid crystal privacy glass is constructed in a way similar to the construction of laminated glass. The outside skins are made up of glass (normally 5 or 6 mm of annealed glass) on each side, and then a PVB interlayer is inserted on each side to trap and hold the liquid crystal privacy film. This film has electrical wiring that needs to be connected to a transformer to supply power for the “on” (clear state) mode.

To learn more about the features and specifications of our Switchable Privacy Glass, read our Technical Manual.


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