Sumitomo Chemical acquired CDT back in 2007 , and since then the Japanese company has been developing it’s P-OLED (polymer-based OLED) materials and technologies. While initially Sumitomo aimed to produce materials for displays, in recent years it has focused mostly on OLED lighting materials and even panel production . A noted exception was Panasonic’s OLED TV development project which used printing technologies and Sumitomo’s P-OLED materials. But Panasonic terminated this project in 2013. We speculated that JOLED, which is based on Panasonic’s technology (and other technologies as well), uses P-OLED materials in its prototypes, but we were not sure. Read more about Sumitomo Chemical starts to promote P-OLED materials and printers for OLED display production

More here:
Sumitomo Chemical starts to promote P-OLED materials and printers for OLED display production