The present invention relates to an optical element including one or more glass or polymer region, in which the at least one glass or active matrix in contact with the polymer regions are arranged, it said optical element, said power supply comprising: a power supply system, system, the one or more glass or polymer region substantially parallel to the array of the first auxiliary plane thereto at the top, and the state of the first distance is less than 10 cm from the auxiliary plane (L ') and the one or more glass or polymer region in the distance (L) of less than 21 cm from the third secondary plane or the fourth storage planes arranged substantially normal to the extension direction, it is arranged between the first the substantially parallel arrangement about the first auxiliary planar second auxiliary plane, wherein L is also the third between one side of the one plane and the auxiliary or more glass or polymer region and the distance The distance between one or more of the same side of the glass or polymer region and the fourth auxiliary plane. The power supply system includes at least one controller and at least one energy storage device. It said optical element comprises at least one photovoltaic element, and wherein the at least one photovoltaic element is arranged in a substantially vertical relative to the main extension direction of the one or more glass or polymer region. The invention also relates to a power supply system for the optical element, wherein said power supply system comprising at least one controller and at least one energy storage system, preferably a battery, and the power supply system is reversible from the optical element It can be removed.