An optical display panel which provides improved viewing contrast is disclosed. The optical panel includes a plurality of stacked optical waveguides, wherein each waveguide has an inlet face and an outlet face at opposing ends of each waveguide, and wherein each waveguide is formed of a core in contact...http://www.google.fr/patents/US6571044?utm_source=gb-gplus-shareBrevet US6571044 - High contrast display panel and a method of making a high contrast display panel
High contrast display panel and a method of making a high contrast display panel
