Switchable glassFilm

PDLC smartglass

When the power is off the liquid crystal molecules are randomly oriented and will scatter incidental light. This renders the Switchable Privacy Glass panel opaque.

Two sheets of glass are laminated over the PDLC film. The components are assembled under high pressure and temperature to form a single unit.

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This technology will switch the glass from transparent to an opaque translucent state with the simple flip of a switch, tap of an app, or wave of a hand.  The technology makes available a dynamic space that can be both private and open.

One of our previous posts discussed the increased use of sliding glass doors in office layouts.  It was noted that the use of glass as office fronts increases natural light and energy efficiency.  The increased use of glass however can contribute to decreased privacy.  One solution type that can bring the best of both worlds is Switchable Privacy Glass like the Dash Door PrivacyVue™ line.

When electricity is applied to the film via the wiring, the liquid crystals align and the glass instantly becomes clear.  When the power is turned off, the liquid crystals return to their normal scattered positions rendering the glass an opaque translucent.

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.

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When an electric current is applied, the liquid crystal molecules line up, the incidental light passes through, and the privacy glass becomes clear.

• Residential – bathroom / shower enclosures, partitions • Commercial – conference rooms, office doors/partitions, reception • Retail – changing rooms, projection displays • Healthcare: ICU Doors, Nurseries, ERs, ORs, clinic partitions • Hospitality – bathroom /shower enclosures, partitions • Banking – ballistic teller lines, transaction windows, safe deposit rooms

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PDLC Film consists of a polymer matrix of liquid crystals enclosed by electrically conductive Indium Tin Oxide-coated PET film. The resulting PDLC Film has wiring attached to a conductive copper strip (busbar) along the film’s edge.  In a low voltage platform, this wiring is connected to a step-down transformer through which power is supplied for the “on” (clear) state.  In their natural (uncharged) state, the PDLC droplets randomly align, thus creating the an opaque translucent condition.

Privacy Glass is a laminated glass. The laminated material within is Liquid Crystal Privacy Film, which responds to an electrical current.

Laminated Switchable Privacy Glass is opaque / translucent when the switch is in the off position and clear when electric current is applied to each lite of glass

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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.

One of our previous posts discussed the increased use of sliding glass doors in office layouts.  It was noted that the use of glass as office fronts increases natural light and energy efficiency.  The increased use of glass however can contribute to decreased privacy.  One solution type that can bring the best of both worlds is Switchable Privacy Glass like the Dash Door PrivacyVue™ line. This technology will switch the glass from transparent to an opaque translucent state with the simple flip of a switch, tap of an app, or wave of a hand.  The technology makes available a dynamic space that can be both private and open. Uses of switchable privacy glass include: • Residential – bathroom / shower enclosures, partitions • Commercial – conference rooms, office doors/partitions, reception • Retail – changing rooms, projection displays • Healthcare: ICU Doors, Nurseries, ERs, ORs, clinic partitions • Hospitality – bathroom /shower enclosures, partitions • Banking – ballistic teller lines, transaction windows, safe deposit rooms   Glass “OFF” – Opaque Glass “ON” – Transparent The Principal When the power is off the liquid crystal molecules are randomly oriented and will scatter incidental light. This renders the Switchable Privacy Glass panel opaque. When an electric current is applied, the liquid crystal molecules line up, the incidental light passes through, and the privacy glass becomes clear. Privacy Glass is a laminated glass. The laminated material within is Liquid Crystal Privacy Film, which responds to an electrical current. When electricity is applied to the film via the wiring, the liquid crystals align and the glass instantly becomes clear.  When the power is turned off, the liquid crystals return to their normal scattered positions rendering the glass an opaque translucent.   Technology 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 Film consists of a polymer matrix of liquid crystals enclosed by electrically conductive Indium Tin Oxide-coated PET film. The resulting PDLC Film has wiring attached to a conductive copper strip (busbar) along the film’s edge.  In a low voltage platform, this wiring is connected to a step-down transformer through which power is supplied for the “on” (clear) state.  In their natural (uncharged) state, the PDLC droplets randomly align, thus creating the an opaque translucent condition. Two sheets of glass are laminated over the PDLC film. The components are assembled under high pressure and temperature to form a single unit. 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.   Laminated Switchable Privacy Glass is opaque / translucent when the switch is in the off position and clear when electric current is applied to each lite of glass

Laminated Switchable Privacy Glass is opaque / translucent when the switch is in the off position and clear when electric current is applied to each lite of glass