Mechanical evaluation of permeation barriers for flexible OLED displays
Grego, S., Lewis, J., Vick, E., Chalamala, B., & Temple, D. (2004). Mechanical evaluation of permeation barriers for flexible OLED displays. In Lasers and Electro-Optics Society, 2004. LEOS 2004. The 17th Annual Meeting of the IEEE, , pp. 340–341. .
Mechanical flexing of plastic substrates coated with thin film permeation barriers causes sub-micron cracks that lead to device degradation. We demonstrate an improved method to rapidly observe cracks and evaluate mechanical performance of permeation barriers.