European researchers developed OLED element that can be manufactured using printing technology, like GEs Roll to roll.
The flexible and affordable light source is particularly suitable for packaging
Researchers working in the European ROLLED project have developed a flexible
OLED element that can be mass produced using roll-to-roll printing technology.
The project’s goal is a cost-effective, volume-scale, roll-to-roll manufacturing technology for the realization of flexible OLED devices on a web. ROLLED is funded by the IST program of the European Commission’s 6th Framework. VTT is coordinating the project.
TheOLED elements can be used to enhance food safety and add value to product
packages. The new method is considerably cheaper than the traditional
manufacturing methods. The project was coordinated by VTT, and project
participants included INM, CSEM, Ciba, Hansaprint, UPM and PolylC.
Work packages:
WP1 – Fabrication of a complete OLED device on a web using R2R manufacturing
Developing a method to fabricate a complete OLED device on a flexible substrate using roll-to-roll manufacturing technology.
Developing a patternable, transparent, conducting coating on PET foils based on ITO nanoparticles and deposited by a continuous wet chemical roll-to-roll process. Fabrication of a complete OLED device on a web using R2R manufacturing
WP2 – Patterning methods applicable to R2R processing and realization of arbitrary size and shape pixels and flexible displays
Developing a patterning technology for OLED and/or PLED devices that will be applied to the roll-to-roll fabrication process on flexible substrates.
WP3 – Encapsulation of the fabricated OLEDs
Developing front and rear encapsulations for OLEDs with low O2 and H2O permeability.
WP4 – Demonstrators
Fabrication of OLED demonstrators using roll-to-roll-compatible manufacturing techniques. The demonstrators will consist of several pre-defined arbitrary size and shape pixels with one or more emission colours.
