The Sweden-based company, which uses nanotechnology to develop next-generation lighting products, counts Agder Energi Ventures among its existing investors.

The marketing software developer has raised $24m in a round led by Sequoia Capital and supported by WPP, which takes the company's total fundraising to $34.5m since it was formed.

Phunware, developer of a platform that allows brands to engage with their customers on mobile devices, has secured $30m and WWE and Cisco are among the investors.

Byecity, a Chinese website providing travel and tourism information, has raised approximately $20m in a series B round of funding provided by Alibaba Capital Partners and CBC capital.

Online payments company Payoneer raises series D financing round of $25m, led by Susquehanna Growth Equity, to "transform the way small businesses around the world get paid for selling products and services across borders".

Fosun Venture Capital Investment, the corporate venturing unit of Chinese industrial conglomerate Fusun Group, has led a $21.5m series B round of funding for game portal operator, Joyme.com. Fosun is no stranger to the gaming world, having already invested in gaming sites Perfect World and LineKong.

Digital health company Welltok raises $22.1m series C funding with participation from Qualcomm and an inaugural investment from IBM's Watson Group.