0001193125-11-286502 10-K/A 3 20110630 20111028 20111028 ENERGY CONVERSION DEVICES INC 0000032878 3674 381749884 DE 0630 10-K/A 34 001-08403 111166089 3800 LAPEER ROAD AUBURN HILLS MI 48326 248-475-0100 3800 LAPEER ROAD AUBURN HILLS MI 48326 ENERGY CONVERSION LABORATORIES INC 19710603 10-K/A 1 d244455d10ka.htm FORM 10-K/A EX-31.1 2 d244455dex311.htm EXHIBIT 31.1 EX-31.2 3 d244455dex312.htm EXHIBIT 31.2