Gentex Corporation
Protective Transparent Coating for Optical Filters

Last updated:

Abstract:

An optically transparent device includes an exterior lens and an optical filter coupled to an inner surface of the exterior lens. A protective coating comprised of an acrylate may be coupled to an inner surface of the optical filter to reduce fragments of the optical filter from detaching from the exterior lens.

Status:
Application
Type:

Utility

Filling date:

21 Feb 2019

Issue date:

14 Jan 2021