Optical element for a vehicle windshield

B - Operations – Transporting – 60 – J

Patent

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B60J 1/02 (2006.01) B32B 17/10 (2006.01) B32B 27/36 (2006.01) B60J 3/00 (2006.01) G02B 1/11 (2006.01) G02B 5/26 (2006.01) G02B 5/28 (2006.01) G02B 27/01 (2006.01) H05B 3/84 (2006.01) B60J 1/00 (2006.01) G02B 27/00 (2006.01)

Patent

CA 2022062

06-12(9886)A OPTICAL ELEMENT FOR A VEHICLE WINDSHIELD ABSTRACT OF THE DISCLOSURE An optical element for a motor vehicle wind- shield comprises, in combination, an interference filter having one or more light-reflecting metal layers and one or more reflection-suppressing layers for coacting with the one or more metal layers to minimize reflection and enhance transmission in the visible region, a gradient band continuation of the interference filter above the direct line of forward vision through a windshield when disposed in a motor vehicle for reflective rejection of solar energy, such band including a light-reflecting metal layer gra- dually increasing in thickness toward a lateral edge of the band and an anti-glare backing behind the gradient band for suppressing luminous reflection from within the motor vehicle when the optical element is disposed in the windshield.

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