[Techtaffy Newsdesk]

Digital and mobile advertising technology company OpenX has completed a $22.5 million Series E funding round. New investor Samsung Venture Investment led the round, with existing investors Accel Partners, Index Ventures, SAP Ventures, Mitsui Global Investment,  and Presidio Ventures also participating.  This brings the total investment in OpenX to more than $70 million.

OpenX says it will use the funds to accelerate growth, finance additional acquisitions, expand internationally and broaden adoption of its digital revenue platform.

OpenX is based in Los Angeles, and is backed by investors including Accel Partners, Index Ventures, SAP Ventures, Samsung Venture Investment, Mitsui Global Investment, and Presidio Ventures, the wholly owned investment vehicle of Sumitomo Corporation.

In 2012, OpenX  acquired two companies, LiftDNA and JumpTime. The company also doubled its team to more than 260 employees, expanded to five datacenters on three continents, and opened new offices in New York, London and Tokyo as well as opening a new 45,000 square foot headquarters in Los Angeles.