Innovalight, Inc., a privately-held firm selling a platform of silicon ink-based high efficiency solar cell materials and technology, announced that the company has achieved a new record of 19 percent conversion efficiency with silicon ink processed solar cells. The conversion efficiency of a solar cell is the proportion of sunlight energy that a cell converts to electrical energy.      The Fraunhofer Institute for Solar Energy Systems (ISE) in Germany, an official independent solar cell testi...