Plextronics is the only company that is currently offering a full line of OLED HIL inks for a variety of solution emitters.

ENGADGET: Plextronics rolls out next-gen OLED ink, promises bigger, better OLED displays

The non-aqueous-based Hole Injection Layer (HIL) ink augments the company's existing aqueous-based HIL, and is geared specifically for solution processible phosphorescent OLED emitters.

ENGADGET: Plextronics rolls out next-gen OLED ink, promises bigger, better OLED displays

As its director, Jodi Goldstein, explained to me in a July 30 interview, HIL brings together students from across Harvard to work on start-up projects rent-free while tapping a network of experts.

FORBES: Vaxess Goes To Harvard

The technology has advanced to the point where we are getting that much closer to fully solution-processed OLED devices, and new materials such as our non-aqueous HIL are a key requirement in the transition from vapor to solution processing.

ENGADGET: Plextronics rolls out next-gen OLED ink, promises bigger, better OLED displays

And as Vaxess CEO, Michael Schrader a Harvard MBA who started Vaxess in September 2011 as part of an HBS class called Commercializing Science explained in an August 7 interview, HIL looked awfully attractive as a place to operate the firm.

FORBES: Vaxess Goes To Harvard