Bigger Organic LED Displays

The use of organic light-emitting diode (LED) is currently limited to small displays as in those in cell phones due to a limitation in the capability of the electrode used to light it up. The development of a new type of electrode could very well overcome this limitation to pave the way for bigger and more flexible organic LED displays. It is basically a grid of highly conductive metal wires that are so thin they can pass up as transparent.

The underlying technique used in this latest development is nanoimprint lithography. This particular method allows researchers to make a grid of wires that is transferable to any surface, including a substrate for a flexible display. Its successful implementation for practical use will largely depend on finding better organic materials and manufacturing methods.