UCLA researchers demo stretchable OLEDs

UCLA researchers demo stretchable OLEDs

Technology News |
By eeNews Europe

According to a Technology Review report, the research team around UCLA professor Qibing Pei developed an electrode based on a combination of carbon nanotubes and polymers and layered it onto a stretchable, light-emitting plastic sheet. During the manufacturing process, the polymer initially is liquid; after drying it turns into a flexible, stretchable and transparent electrode.

The OLED thus created by the scientists largely maintains its conductivity when deformed. The article quotes professor Pei explaining that the infusion of the polymer into the carbon nanotube coatings preserved the high original conductance of the material. The UCLA team created a demonstrator with an active area of one square centimeter which emits blue light. If the carbon nanotubes would be replaced by silver material the efficiency of the device could be increased, the report said.

According to the article, the material could easily be scaled up for real production. Potential applications could be embedded medical devices, robotic skins and flexible electronic devices in general. 

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