Reduced ultraviolet radiation transmitting, electrochromic glazing assembly
First Claim
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1. A reduced ultraviolet transmitting, electrochromic vehicular glazing assembly adapted for mounting in a vehicle having an interior and an exterior, said assembly comprising:
- first and second spaced optically transparent panels, said first panel located closest to said exterior of said vehicle when said assembly is mounted in said vehicle and said second panel located closest to said interior of said vehicle when said assembly is mounted in said 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;
an electrochromic medium disposed in said space whose 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; and
wherein said ultraviolet reducing means comprises at least one of an ultraviolet absorber, and ultraviolet absorbing polymer and an ultraviolet absorbing glass.
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Abstract
An electrochromic glazing assembly with reduced ultraviolet (UV) radiation transmission may include at least a pair of glass panels or other elements confining an electrochromic medium therebetween. Ultraviolet radiation reducing element or material are incorporated for reducing ultraviolet radiation transmission through the assembly. The ultraviolet radiation reducing element or material comprises at least one of an ultraviolet absorber, an ultraviolet absorbing polymer, and an ultraviolet absorbing glass.
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Citations
32 Claims
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1. A reduced ultraviolet transmitting, electrochromic vehicular glazing assembly adapted for mounting in a vehicle having an interior and an exterior, said assembly comprising:
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first and second spaced optically transparent panels, said first panel located closest to said exterior of said vehicle when said assembly is mounted in said vehicle and said second panel located closest to said interior of said vehicle when said assembly is mounted in said 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;
an electrochromic medium disposed in said space whose 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; and
wherein said ultraviolet reducing means comprises at least one of an ultraviolet absorber, and ultraviolet absorbing polymer and an ultraviolet absorbing glass. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification