Transparent composite plate for use in e.g. diffuser disk of headlamp of motor vehicle, has functional element arranged between inner plate and outer plate, where plates are made of plastic

摘要

The plate (1) has an inner plate (2) and an outer plate (3), and a functional element (4) with reversible variable light transmission against incident light. The element is arranged between the plates that are made of plastic. The functional element is electrically controlled, and darkens and/or lightens the light transmission. The plates are made of polymer such as polycarbonate or poly methyl methacrylate (PMMA).