Energy Conversion Devices, Inc. (NASDAQ: ENER) went bankrupt in February 2012. It used to manufacture and sell thin-film solar laminates that convert sunlight to energy using proprietary technology. ECD also pioneered other alternative technologies – including being the inventor and developer of NiMH to licensees worldwide and a new type of nonvolatile digital memory technology that is significantly faster and less expensive, ideal for use in a variety of applications, including cell phones, digital cameras and personal computers.

Distributed globally under the UNI-SOLAR® brand, the company’s solar products are ideally suited for cost-effective solutions for roofing applications because they are lightweight, durable, flexible, can be integrated directly with building materials, and generate more energy in real-world conditions.

Energy Conversion Devices Inc. – History



The switch that started it all. In the 1950s, Stanford R. Ovshinsky’s pioneering work in amorphous and disordered materials created a new world of chemistry, physics, and material science


Information – Evolution of amorphous semiconductor memories

Energy – From the beginning:
solar hydrogen and amorphous
and disordered materials


Materials to Products – the best products from ECD’s inventions

Imaging films 

Amorphous solar cell is flexible and adaptable


Ultraviolet Ovonic solar modules

Ovonic shingles that can be easily installed on roofs, providing enough energy to supply electricity to homes and commercial installations


Ovonic Battery Company was founded 

Ovonic consumer NiMH batteries


Optical phase-change memory

First commercial use
of Ovonic phase-change
optical recording technology


Ovonics EV and industrial NiMH cells


ECD awarded the first USABC contract to develop EV batteries


First application of Ovonic EV NiMH battery pack in Chrysler TE van


Four-passenger car with Ovonic NiMH batteries wins Tour de Sol Race – 373 miles on a single charge

The continuous roll-to-roll 5MW plant designed and built by ECD


Four-passenger car equipped with Ovonic NiMH batteries drives from Boston to New York City –
216 miles – on a single charge

Family of Ovonic Batteries introduced

Industry recognizes ECD phase-change technology

Photovoltaic (BIPV) Product


United Solar ultralight photovoltaic material is installed on the MIR space station

First GM Ovonic NiMH batteries
are installed in EV1 electric
vehicles for lease customers

UNI-SOLAR® products covered by 20-year warranty


High data density electric
memory using multi-bit storage


Intel invests in Ovonyx, Inc., and also has a non-exclusive license and provides personnel and fabrication facility in combined effort on Ovonic Unified Memory technology

GE Plastics and ECD announce strategic alliance and for a JV for optical media technology

Texaco purchases a 20% interest in ECD and forms joint ventures with ECD in regenerative fuel cells, hydrogen storage, and NiMH batteries

Ovonics NiMH batteries lead the American Tour de sol for the 7th consecutive year


ECD listed on Frankfurt Stock Exchange

ECD expansion necessitates move to consolidated headquarters


The 25MW Machine –
Auburn Hills One


The 25MW Plant –
Auburn Hills Two


President George W. Bush tours United Solar Ovonic Auburn Hills One


The Greenville Plant


ECD Acquires Solar Integrated Technologies


United Solar Ovonic LLC (USO) and Solar Integrated Technologies, Inc. (SIT) filed for bankruptcy in the U.S. Bankruptcy Court for the Eastern District of Michigan. ECD took these actions to facilitate a sale of the USO business in a manner that enables USO to be competitive and viable for the long-run.


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Disclaimer: This website no longer represents Energy Conversion Devices, Inc . This information has been added to help people who come to this website looking for information about this historic company.