Organic conductive ink enhances performance of advanced polymer-OLED devices

Plextronics, Inc., an American organic electronics company has recently announced that its conductive ink has been shown to improve the performance of certain P-OLED (Polymer Organic Light Emitting Diodes) devices. The company requested an independent validation of test data obtained from its Plexcore® Organic Conductive (OC) ink by Cambridge Display Technology, Inc. (CDT) - a subsidiary of Sumitomo Chemical Co. Ltd. Data produced by CDT on Plextronics' behalf show improved P-OLED operating voltages and voltage stability compared to other solution processed HIL alternatives that have been previously reported. P-OLEDs are a fast growing, new generation of display technology, which promise to replace liquid crystal displays (LCDs) in many existing applications in the coming years, as well as create exciting possibilities for new product forms such as flexible or even wearable displays. For blue P-OLED test devices, a two volt reduction in initial operating voltage was achieved with improved voltage stability over the lifetime of the devices (less than 0.5V increase), a significant improvement over other solution processed HIL alternatives that have been previously reported. Improving voltage characteristics in P-OLEDs is critical to reducing the power consumption of these devices, while maintaining or improving device lifetimes. Plexcore® OC ink is a multi-functional conductive material compatible with a number of printing techniques including spin-coating, ink jet printing, and contact printing.
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