| http://www.w3.org/ns/prov#value | - Other embodiments of the cell according to the invention are possible and in particular an embodiment in which said cell successively is provided from the side which is to be exposed to the incident light with a circular polarizer, a negative optical anistropy uniaxial material plate, a first glass plate, a nematic liquid crystal layer and a second glass plate, the first plate being provided with
|
