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Flexible OLED lighting R2 Flex successfully completed in Germany

News from Germany, R2Flex project has been successfully completed. The project aims to develop new technologies, using volume to volume (R2R) processing technology to make efficient and affordable flexible OLED, and finally demonstrated a flexible OLED desk lamp prototype.

The flexible OLED panel is made of metal foil. This kind of metal is chosen because it is suitable to be used as substrate, but also to meet the original intention of the project: to reduce the production cost of OLED.

R2Flex display of flexible OLED lighting (picture from electronics world)

The main challenge in this project is to develop a deposition technique for complex OLED structures. It is very complex to implement this process in a volume to volume (R2R) production line, but it can still be successfully completed. High (Tridonic) technical assessment of this includes flexible OLED security and low cost electrical contacts on metal substrates, as well as their lamp integration. The problems triggered by barrier film contact are solved by Gao Gao and Fraunhofer COMEDD together.

The organic light emitting layer is only about 200-400 nm thin and is located between the two electrodes, which has good flexibility and can not be affected when bending.

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