International Display Workshops General Incorporated Association

6:20 PM - 6:40 PM

[OLED5-4] Light Extraction and Viewing Angle Characteristics of Nano-structure embedded Top-emitting OLEDs fabricated by Vacuum Deposition Processes

*Doo-Hee Cho1, Young-Sam Park1, Hyunsu Cho1, Kang Me Lee1, Hye Jin Yun1, Seung-Youl Kang1, Seong-Deok Ahn1, Hyunkoo Lee 1 (1. ETRI (Korea))

light extraction, viewing angle, TEOLED

https://doi.org/10.36463/idw.2019.0876

We fabricated the nano-structure applicable for a highly efficient and color stable TEOLED by using thermal evaporation and organic vapor phase deposition, respectively. The nano-structure integrated TEOLEDs showed efficiency increase by 12% (thermal evaporation) and 32% (OVPD), respectively. The Δ(u’v’) from normal direction to 30o were 0.06 and 0.03, respectively.