RETROREFLECTIVE SHEETING WITH SECURITY AND/OR DECORATIVE IMAGE

摘要

The present invention provides a retroreflective sheet (100) with a discernable image. The retroreflective sheet (100) comprises a transparent polymeric spacing layer (106) having a first surface and a second surface; a layer of transparent microsphere lenses (104) embedded into the first surface of the spacing layer (106) at varying depths forming an image, wherein the spacing layer (106) adheres to and conforms to the microspheres (10) ; and a reflective layer (108) adhered to the second surface of the spacing layer (106) . The present invention also provides methods for preparing such retroreflective sheet (100).