Fig. 9. (a) Outcoupling efficiency of the basic OLED without any anti-reflection structure as a function of the ETL thickness. (b) Outcoupling efficiency of the four OLEDs without and with anti-reflection structures.

New Phys.: Sae Mulli 2022;72:688~697 https://doi.org/10.3938/NPSM.72.688

© NPSM