An electronic window, comprising: a base substrate and a first polarizing device and a second polarizing device locating on the same side or on different sides of the base substrate; in an OFF state, the first polarizing device configured to convert an incident light into a first polarized light and to emit the first polarized light, a polarization direction of the first polarized light being perpendicular to a polarization direction of the second polarizing device so as to prevent the first polarized light from emitting; and in an ON state, the first polarizing device configured to transmit the incident light, the second polarizing device configured to transmit the incident light or to convert the incident light into a third polarized light and emit the third polarized light, a polarization direction of the third polarized light being the same as the polarization direction of the second polarizing device; characterized in that the first polarizing device comprises a first conductive layer and a second conductive layer disposed opposite to each other, a first electro-optic crystal layer and a first optical material layer are disposed between the first conductive layer and the second conductive layer, the first electro-optic crystal layer is disposed on the first conductive layer, and the first optical material layer is disposed on the electro-optic crystal layer; in the OFF state, a first voltage is applied between the first conductive layer and the second conductive layer, the first electro-optic crystal layer is configured to convert the incident light into a first polarized light and a second polarized light under the first voltage, a polarization direction of the second polarized light being the same as the polarization direction of the second polarizing device, and the first optical material layer is configured to refract the first polarized light and emit the refracted first polarized light and to reflect the second polarized light so as to reflect the second polarized light back to the first electro-optic crystal layer; and in the ON state, no voltage is applied between the first conductive layer and the second conductive layer, the first electro-optic crystal layer is configured to transmit the incident light into the first optical material layer, and the first optical material layer is configured to transmit the incident light. in an OFF state, the first polarizing device configured to convert an incident light into a first polarized light and to emit the first polarized light, a polarization direction of the first polarized light being perpendicular to a polarization direction of the second polarizing device so as to prevent the first polarized light from emitting; and in an ON state, the first polarizing device configured to transmit the incident light, the second polarizing device configured to transmit the incident light or to convert the incident light into a third polarized light and emit the third polarized light, a polarization direction of the third polarized light being the same as the polarization direction of the second polarizing device; characterized in that the first polarizing device comprises a first conductive layer and a second conductive layer disposed opposite to each other, a first electro-optic crystal layer and a first optical material layer are disposed between the first conductive layer and the second conductive layer, the first electro-optic crystal layer is disposed on the first conductive layer, and the first optical material layer is disposed on the electro-optic crystal layer; in the OFF state, a first voltage is applied between the first conductive layer and the second conductive layer, the first electro-optic crystal layer is configured to convert the incident light into a first polarized light and a second polarized light under the first voltage, a polarization direction of the second polarized light being the same as the polarization direction of the second polarizing device, and the first optical material layer is configured to refract the first polarized light and emit the refracted first polarized light and to reflect the second polarized light so as to reflect the second polarized light back to the first electro-optic crystal layer; and in the ON state, no voltage is applied between the first conductive layer and the second conductive layer, the first electro-optic crystal layer is configured to transmit the incident light into the first optical material layer, and the first optical material layer is configured to transmit the incident light.