Graphene 3D Lab just announced a new patent for a process of 3D printing an OLED lighting device that uses a graphene-based top electrode. The company developed a unique multi-functional 3D printer that can be be used to print 3D structures as well as thin films - like the ones used in this recent patent.

G3L patents printer for printing graphene-based OLED image

Graphene 3D Labs did not just wrote the patent, the company also demonstrated a working printed OLED prototype as you can see in the above image. The company is currently evaluating contract manufacturing and partnership opportunities to support commercialization of the printer.

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