A liquid crystal display includes a plurality of laminated liquid crystal layers and a transparent substrate interposed between the liquid crystal layers, the transparent substrate being formed of an aggregate of optical fibers arranged so that a ray may be introduced between main and back surfaces of...http://www.google.co.uk/patents/US5148297?utm_source=gb-gplus-sharePatent US5148297 - Liquid crystal display device having an optical fiber substrate including fibers whose periphery is coated with a conductive material
