A method of fabrication of non-linear control elements as applicable to electrooptical displays and in particular to large-area liquid-crystal displays of the flat-panel type, in which the following layers are stacked successively on a substrate: a first layer of metallic material, a first layer of undoped...http://www.google.com.au/patents/US4810637?utm_source=gb-gplus-sharePatent US4810637 - Non-linear control element for a flat electrooptical display screen and a method of fabrication of said control element
