Konarka, maker of a unique solar plastic, is an old company. In nine years, it has raised more than $150 million from the likes of Chevron, New Enterprise Associates, and the government. But it’s had little to show for it on the market. That could change with a new round of funding (its seventh) that closed today, totaling $23.8 million, according to a filing with the SEC. Will the company finally have what it needs to step out of the shadows? Money isn’t Konarka’s only strength. Its technology is actually pretty special too. Its patented photovoltaic material, called Power Plastic, [...]

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