An EC mirror having an end surface of layers consisting of an ECD, an output electrode, and a clip electrode, prevents attacking by water submerging through the end surface, improves sealing ability with the mirror holder, prevents the mirror from chattering and a strange noise due to a vibration of...http://www.google.com.tw/patents/US5640274?utm_source=gb-gplus-share專利 US5640274 - Electrocromic rearview mirror for an automobile improved in a water proof ability
