20120019161 | LIGHT-EMITTING ELECTROCHEMICAL CELL AND SYSTEM, USE THEREOF AND METHOD FOR THEIR OPERATION - A light-emitting device comprises a first electrode, a second electrode, and a light-emitting active material contacting and separating the first and second electrodes. The device comprises a combination of a conjugated polymer and an electrolyte, said electrolyte comprising ions, allowing for electrochemical doping of the conjugated polymer. In the device, a ratio between the ions and the conjugated polymer is selected to allow for the formation of:
| 01-26-2012 |