An improved electrochromic rearview mirror assembly for motor vehicles is disclosed that includes a signal light mounted behind the electrochromic mirror. The electrochromic mirror has a signal light area formed in its reflective coating by removing a portion of the reflective coating and aligning the...http://www.google.es/patents/US6111683?utm_source=gb-gplus-sharePatente US6111683 - Electrochromic mirrors having a signal light
