A display including a liquid crystal cell. The cell includes a liquid crystal material, a plurality of electrodes, and first and second polarizers. The first polarizer is located at a viewing side of the cell such that the vibration direction of light polarized thereby is non-parallel to the optic axis...http://www.google.de/patents/US4944578?utm_source=gb-gplus-sharePatent US4944578 - Color graphic imager utilizing a liquid crystal display
