| abstract |
The invention provides a transmittance change film and a preparation method thereof. The transmittance change film and a preparation method thereof include: a transparent substrate, a wire electrode, formed on an upper portion of the transparent substrate, and an insulating layer formed on an upper portion of the wire electrode. A plurality of separators, which are located on both sides of the wire electrode, transparent electrodes formed on the upper part of the plurality of separators, a unit groove surrounded by the plurality of separators, an insulating layer, and a transparent electrode, and a charged particle fluid Is included in the cell trench; the thickness of the insulating layer is 0.4 μm to 1 μm. |