A vision control panel for application to a transparent surface includes a poly-coated adhesive release liner adhered to the underside of a substrate formed of electroluminescent (EL) or luminescent material, a power supplying bus where an electroluminescent material is used, a primary coating overlying...http://www.google.de/patents/US6242076?utm_source=gb-gplus-sharePatent US6242076 - Illuminated imageable vision control panels and methods of fabricating
