Patent ID: 6631023
Filing Date: 2003-10-07
Classification: C09K,G02F,Y10S

Abstract:
Electrochromic display device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film is/are provided on one side each with an electrically conductive layer and of which at least one plate or film and its conductive layer is transparent and of which the other can be mirrored and in which the electrically conductive layer of at least one of the two plates or films is divided into separate segments which are individually connected to a power source and each seperate segment has an electric lead from one edge of the respective plate or film, where the plates or films are joined via a sealing ring on the sides on which they are conductively coated and the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium, characterized in that the electric leads to the segments are electrically insulated from the electrochromic medium, and further characterized in that at least one part of the electrically conductive layer or at least one segment is electrically connected through a hole in the plate or film.