International Display Workshops General Incorporated Association

10:50 AM - 11:10 AM

[OLED4-1 (Invited)] Development of Low-Work-Function Electrodes Using Strong Organic Bases and Their Application in Blue OLEDs

*Hirohiko Fukagawa1, Tsubasa Sasaki1, Takuya Okada1, Taku Oono1, Takahisa Shimizu1 (1.NHK (Japan))

Electron injection, Work function, Coordination reaction, Blue OLED

https://doi.org/10.36463/idw.2022.0445

The use of strong organic bases was found to decrease the work function of a cathode to a value in the range of 2 to 3 eV. Low-work-function electrodes are effective for not only simplifying the configuration of blue OLEDs but also decreasing their operating voltages.