ELECTRICALLY-OPERATED DEVICE WITH VARIABLE OPTICAL AND/OR ENERGETIC PROPERTIES

摘要

The invention concerns an electrically-operated device with variable transmission or reflection optical/energetic properties, comprising at least one support substrate provided with a stack of layers with electrochromic function comprising at least two active electrochromic layers, separated by an electrolyte, said stack being arranged between two electrical leads, respectively lower and upper ( lower corresponding to the electrical lead closes to the support substrate, as opposed to the upper electrical lead furthest from said substrate). The invention is characterized in that the electrochromic material constituting the two active layers is identical, and said electrochromic material is selected among those whereof the colouring is not a linear function of the loads introduced.