Abstract-Characterization of Degradation in Organic Light Emitting Diodes by Terahertz Spectroscopy

Yeongkon Jeong, Soo Jong Park,  Sang-Hun Lee, Byeong-Kwon Ju,  Young Min Jhon, Minah Seo,

https://ieeexplore.ieee.org/document/8730086

We investigated degradation of organic light emitting diodes (OLED) by terahertz (THz) time-domain spectroscopy. Decreased reflectance at 0.84 THz was observed inferred from the electric degradation of OLED