This invention relates to a composition for use as a reactive medium in a reversible electrochromic display device. The reactive medium is placed between two electrically conductive electrodes of the device, at least one of the electrodes being transparent, the composition includes an anhydrous solvent and an oxidant/reductant pair in which the reductant is an electron acceptor, and the oxidant is a substituted fluorene compound.
本发明涉及一种在可逆电致变色显示装置中用作反应介质的组合物。 反应介质置于该装置的两个导电电极之间,其中至少一个电极是透明的,组合物包括无
水溶剂和氧化剂/还原剂对,其中还原剂是电子受体,氧化剂是取代的
芴化合物。