Offic Smart Self-adhesive Film

Offic Smart Self-adhesive Film

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Product Details

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Smart self adhesive film (STF) is also known as PDLC liquid crystal film (Polymer Dispersed Liquid Crystal), PDLC Chinese name is polymer dispersed liquid crystal, also known as electronically controlled dimming film, electronic curtains and so on. It is a membrane-based product that mixes a liquid crystal (LC) with a prepolymer and attaches it to a transparent conductive substrate to have both liquid and crystal characteristics, as well as significant Photoelectric characteristics, in the absence of an electric field, the disordered arrangement of molecules is in an opaque state, and under the action of an electric field, the molecules are arranged in an orderly manner along the direction of the electric field, so that it has translucency, and the electric field can be controlled by It converts between transparent and opaque states.

2017-03-28


The STF structure is a mixture of liquid crystal and polymer sandwiched between two conductive films. The polymer is in the form of a network, and liquid crystal droplets and polymer materials composed of liquid crystals are filled in the gaps, and liquid crystal molecules in each liquid crystal droplet are filled. The alignment is uniform to form a uniaxial liquid crystal, but the optical axes of different liquid crystal droplets are disorderly arranged.

The conductive film is a sheet-like polyester film coated with an ITO conductive layer or a silver nanowire transparent conductive layer, and has a conductive effect. When the light passes through the conductive film, it passes through the mesh polymer, the liquid crystal droplets, the network polymer, the liquid crystal droplets and the like in the order of propagation. In the absence of an electric field, due to the disordered arrangement of the optical axis of the liquid crystal droplets, light scatters at the interface between the liquid crystal droplets and the network polymer, thereby exhibiting an opaque state, and under the action of the electric field, due to the optical axis of the liquid droplet The orderly arrangement allows light to penetrate the interface of the liquid crystal droplets and the network polymer, thereby presenting a transparent state.

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