Multiple glazing with variable scattering by liquid crystals and its method of manufacture

A multiple glazing comprising:

• first and second glass sheets each having a face sealed on an edge thereof by a sealing joint;
• first and second electrodes arranged respectively on the face of the first and second glass sheets, each of the first and second electrodes including an electrically conductive layer provided with a power supply;
• a layer of liquid crystals arranged on the first and second electrodes and adapted to alternate reversibly between a transparent state and a translucent state when an alternating electric field is applied,
• wherein a thickness of each of the first and second glass sheets is less than or equal to 5.5 mm, and
• wherein each of the faces coated, respectively, with the first and second electrodes has a dioptric defect score, expressed in millidioptres, of less than 12E/15 where the thickness E of the liquid crystals is in μm.