| abstract |
The present invention relates to a transmittance-variable optical stack and a manufacturing method therefor, and a smart window comprising same and a vehicle to which same is applied, the optical stack comprising polarizing plates stacked on both surfaces thereof with a liquid crystal layer, driven according to an electric field, interposed therebetween, wherein the polarizing plates comprise a polarizer and a protective layer formed on at least one surface of the polarizer, a transparent conductive layer is in direct contact with the polarizing plate, and the optical stack has a total light transmittance that changes according to the application of voltage. |