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The light-emitting capacitors (LECs) manufactured by CeeLite are a take on a much older technology called electroluminescent paneling — imagine a large, glowing sheet, as thin as a piece of paper.

LECs can be used for a number of purposes, typically decorative. CeeLite’s particular technology is superior to older light paneling both because of its lower price point and the smaller amount of electricity used, as little as four watts per square foot.

CeeLite’s technology is already for purposes like display ads and street signage, and won several awards in 2006, including one from Time Magazine. The company, which is based in Blue Bell, Penn., says it will be using its funding to build a manufacturing plant near Philadelphia.

The $4 million investment was led by the Musser Group, which provided about half, with undisclosed investors contributing the other half. CeeLite has not previously taken venture funding.

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