QD Vision, a US-based manufacturer of optical components for visual displays backed by DTE Energy Ventures, the corporate venturing arm of local utility DTE Energy, has raised $20m in its series E round.
DTE Energy Ventures joined the round, as did other existing investors, venture capital firms North Bridge Venture Partners, Highland Capital Partners, Passport Capital, Novus Energy Partners and Capricorn Investment Group. In-Q-Tel, which invests on behalf of the US intelligence services, also increased its stake, which took the…
