Ascent Solar Technologies, Inc. announced the company’s preliminary Q2-2015 revenue results.   For Q2 2015, the Company is expected to report revenue of $2.2 million, a threefold increase from Q1 2015. The increase in quarterly revenue is the result of a strong shipment backlog, which carried over from the first quarter of 2015.   For the first half of 2015, revenue is expected to be $2.9 million, reflecting significant growth of approximately 60% over the same period in 2014. The second hal...