Patent ID: 6819467
Filing Date: 2004-11-16
Classification: B32B,B60J,B60R,G02F

Abstract:
A reduced ultraviolet transmitting, safety-protected, variable transmission, vehicular glazing assembly suitable for use in a vehicle having an interior and an exterior, said assembly comprising:at least first and second spaced optically transparent panels, said first panel located closest to the exterior of the vehicle when said assembly is mounted in the vehicle and said second panel located closest to the interior of the vehicle when said assembly is mounted in the vehicle; said first and said second panels each having a front surface and an opposing rear surface, said rear surface of said first panel facing and spaced from said front surface of said second panel defining a space between said first and second panels, said rear surface of said first panel and said front surface of said second panel coated with a transparent electrical conductor; a variable transmission medium disposed in said space whose visible light transmittance is variable upon the application of an electric field thereto; ultraviolet radiation reducing means incorporated in said assembly for reducing ultraviolet radiation transmission through said assembly wherein said ultraviolet radiation reducing means comprises at least one of an ultraviolet absorber, an ultraviolet absorbing polymer and an ultraviolet absorbing glass; and safety means incorporated in said assembly for preventing injury upon impact to said assembly, said safety means comprising at least one of a laminated glass panel, a tempered glass panel and a polymeric layer.