International Display Workshops General Incorporated Association

15:40 〜 15:55

[OLED5-4L] Emission Zone Measurement Gives Insight into the Suitability of Accelerated Aging Extrapolation

*Rossa Mac Ciarnain1, Hin Wai Mo3,4, Kaori Nagayoshi3, Hiroshi Fujimoto3,4, Kentaro Harada3,4, Tung Huei Ke2, Paul Heremans1,2, Chihaya Adachi3,4 (1. KU Leuven(Belgium), 2. IMEC(Belgium), 3. i3 OPERA(Japan), 4. OPERA(Japan))

OLED, emission zone, accelerated ageing, degradation, ageing

https://doi.org/10.36463/idw.2020.0415

Accelerated OLED ageing at higher current densities is commonly used to extrapolate lower current density device lifetime benchmarks. Different emission zones and device ageing were measured at different current densities giving more insight into the suitability of such accelerated ageing assumptions.