Testing of flexible InGaZnO-based thin-film transistors under mechanical strain N.S. Münzenrieder, K.H. Cherenack and G. Tröster Eur. Phys. J. Appl. Phys., 55 2 (2011) 23904 Published online: 11 August 2011 DOI: 10.1051/epjap/2011100416