XunLight is a technology company.
XunLight has raised $40.0M across 3 funding rounds.
XunLight has raised $40.0M in total across 3 funding rounds.
XunLight has raised $40.0M in total across 3 funding rounds.
XunLight's investors include Emerald Technology Ventures.
Xunlight Corporation was a technology company that developed high-performance, flexible, and lightweight solar modules using thin-film silicon-based photovoltaic technology and a high-speed roll-to-roll manufacturing process.[1][2][4] It served customers like the University of Toledo by delivering flexible triple-junction thin-silicon modules, addressing the need for efficient, scalable solar energy solutions amid growing demand for renewable power.[1][3] The company achieved early milestones such as pilot production lines and initial shipments but filed for bankruptcy in 2014, with manufacturing later shifting to Kunshan, China.[1]
Xunlight originated in January 2002 as Midwest Optoelectronics, LLC (MWOE), founded by Xunming Deng, a University of Toledo physics professor, and his wife Liwei Xu, leveraging technology from the university's Thin Film Silicon Photovoltaic Laboratory.[1] In May 2003, it secured its first U.S. Department of Energy Small Business Innovation Research grant, followed by an exclusive license agreement with the University of Toledo in January 2006 for key technology portfolios.[1] The company reorganized into Xunlight Corporation in April 2006, raised $33 million in Series B funding in 2008, received Ohio state grants and loans, and established Xunlight (Kunshan) Co., Ltd. in China in 2009, marking its first customer shipment to the University of Toledo that September.[1]
Xunlight rode the early 2000s surge in thin-film solar technology, capitalizing on roll-to-roll processes to lower costs and improve scalability amid rising global demand for affordable photovoltaics.[1][2][4] Its timing aligned with U.S. government grants and state incentives during the clean energy push, influencing the ecosystem by validating flexible solar modules and advancing manufacturing techniques later adopted in China-based production.[1][5] Market forces like dropping silicon prices and competition from crystalline panels pressured thin-film players, contributing to its 2014 bankruptcy, yet its innovations supported broader shifts toward efficient, lightweight renewables.[1]
Xunlight's trajectory highlights the high-stakes volatility of early solar tech, with breakthroughs in roll-to-roll thin-film overshadowed by bankruptcy and offshoring to China.[1] Post-2014, its legacy persists through licensed tech and manufacturing in Kunshan, potentially evolving via modern flexible solar trends like perovskites or building-integrated PV. As renewables scale globally, Xunlight exemplifies how pioneering efficiency in lightweight modules paves the way for today's high-performance solar ecosystem, tying back to its roots in transforming lab innovations into deployable energy solutions.[1][2]
XunLight has raised $40.0M across 3 funding rounds. Most recently, it raised $11.0M Series C in August 2008.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Aug 1, 2008 | $11.0M Series C | Emerald Technology Ventures | |
| May 1, 2008 | $22.0M Series B | Emerald Technology Ventures | |
| Jul 1, 2007 | $7.0M Series A | Emerald Technology Ventures |