POLYHALIDE PARTICLES AND LIGHT VALVES COMPRISING SAME

摘要

A polyhalide light-polarizing material comprising a complex obtained by reacting: (a) elemental iodine; (b) a hydrohalide acid or an ammonium halide , alkali metal halide or alkaline earth metal halide; (c) a first compound capable of chelating hydrogen, ammonium or metal ions; and (d) a second compound comprising at least one chelating group present in the first compou nd and either (1) at least one group of the first compound is changed to a different group or (2) the second compound comprises at least one additional group.