Disclosed is a nonglaring mirror which is an electrochromic device in principle. The mirror comprises a transparent front substrate laid with a transparent first electrode film, a back substrate laid with a second electrode film which is opposite and spaced from the first electrode film, first and second...http://www.google.de/patents/US4741603?utm_source=gb-gplus-sharePatent US4741603 - Electrochromic nonglaring mirror
