Anti-reflective transparent coating with gradient zone

Details Anti-reflective transparent coating with gradient zone Anti-reflective transparent coating with gradient zone

G - Physics

02

B

G02B 1/10 (2006.01) B32B 17/10 (2006.01) B60J 1/02 (2006.01) C03C 17/22 (2006.01) C03C 17/34 (2006.01) C23C 16/24 (2006.01) G02B 1/11 (2006.01)

Patent

CA 2068282

ABSTRACT OF THE DISCLOSURE An anti-reflective coating employing a gradient layer of Si1-xQxOy wherein Q is H, for which x has a value from zero to 0.5, or N, for which x has a value from zero to 0.58, and the value of y varies with depth in the coating, increasing from zero closest the substrate to 2. In certain preferred embodiments the anti-reflective coating is substantially transparent to visible light and yet provides good anti-reflectance. Laminated glazing units having such anti-reflective coatings can be used, for example, in applications requiring high transmittance of visible light, such as motor vehicle windshields.

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