ELECTROLUMINESCENT ONE-WAY VISION PANEL

摘要

An electroluminescent (EL) one-way vision, see-through graphics panel comprises a sheet of light permeable material, typically a transparent plastic material, with a uniform electrically conductive coating. A print pattern partially covers the sheet of light permeable material, the print pattern comprising an electroluminescent ink system, to form an "EL lamp". A design is superimposed on or forms part of the print pattern, such that the design is visible from one side of the panel but is not visible from the other side of the panel. .The design can be a uniform colour but is typically a multi-colour graphic image. The EL lamp illuminates the design when subjected to an electrical current. If the light permeable material is transparent, through vision is possible from the other side of the panel through the imprinted portions of the transparent material. Typically, a dark coloured opaque mask layer, preferably black, faces in the direction of the other side of the panel, to mask the other print pattern layers and enable good through vision.