The Hanlin rep doesn't offer any details on when we might see a commercial model, but he does say that they're waiting for the screen to go into production.You can see the prototype at about 4:16.
As cool as this is, it's not the first flexible E-ink screen. Polymer Vision had been working on this screen tech back in 2008, though I must admit that I don't know what they've been doing recently. And E-ink has also been toying with the idea; one of their screens showed up at CES 2010 on one of Pocketbook's reference designs.
Bridgestone has also been working on a flexible epaper screen based on their QR-LPD screen tech, but aside from a couple sightings in 2010 it doesn't seem to have gone anywhere. Sony has also worked on a flexible E-ink screen, and I think they are still working on it in secret. And of course PlasticLogic has an ereader with a flexible epaper screen in production, with an ongoing beta test in Russian schools.