Patent ID: 6661559
Filing Date: 2003-12-09
Classification: C07D,C09K,G02F

Abstract:
An electrochromic device, comprising:a first substantially transparent substrate having an electrically conductive material associated therewith; a second substrate having an electrically conductive material associated therewith; and an electrochromic medium contained within a chamber positioned between the first and second substrates which comprises: at least one solvent; a first electroactive compound; a second electroactive compound; a third electroactive compound; wherein at least two of the first, second, and third electroactive compounds are electrochromic; wherein at least two of the first, second, and third electroactive compounds are of the same redox type; and wherein at least two of the first, second, and third electroactive compounds cooperatively interact to, in turn, generate an electrochromic medium having a preselected color.