The present invention is a light directing construction for use in a display apparatus. The light directing construction includes a light directing film that has a prismatic structure having two sides, where one side includes saw tooth formations having tilted surfaces, and a metal coating on the side...http://www.google.fr/patents/US6626545?utm_source=gb-gplus-shareBrevet US6626545 - Light directing construction having corrosion resistant feature
Light directing construction having corrosion resistant feature
