Energy Conversion Devices

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Energy Conversion Devices, Inc. (ECD) was an American photovoltaics manufacturer of thin-film solar cells made of amorphous silicon used in flexible laminates and in building-integrated photovoltaics. The company was also a manufacturer of rechargeable batteries and other renewable energy related products. ECD was headquartered in Rochester Hills, Michigan.

Through its wholly owned Auburn Hills, Michigan, subsidiary United Solar Ovonic, LLC, better known as Uni-Solar, ECD was at one time the world's largest producer of flexible solar panels. Uni-Solar panels consisted of long rectangular strips with wiring at one end, which could be glued to any suitable supporting surface. They were widely used on flat roofs, motorhomes, semi-trailer cabs and similar roles.

On February 14, 2012, Energy Conversion Devices, Inc. and its subsidiaries, United Solar Ovonic LLC and Solar Integrated Technologies, Inc. filed for bankruptcy in the U.S. United States District Court for the Eastern District of Michigan.^[1]