Retroreflective microstructured shield, method of making a retroreflective shield, and use of a retroreflective shield as a traffic or license plate

摘要

The invention relates to a retroreflective shield (10), comprising a shield plate (14) made of a transparent plastic with a microstructured triple mirror structure (22) formed at least in sections on a surface (28) of an inner side (20) of the shield plate (14). wherein the microstructured triple mirror structure (22) comprises a plurality of triple mirrors (24) each having three rectilinear mirror surfaces (26) arranged at right angles to each other, and the triple mirrors (24) are formed in the surface (28) of the inner side (20) and respectively Mirror surfaces (26) formed by one of the inner side (20) spaced outside (12) of the shield plate (14) are formed from specular.