Fig. 5: The results of folding test.

Flexibility test result comparison between the PI-Al2O3 hybrid barrier nanolayer and the inorganic layer: a folded characteristics; b normalized WVTR results according to folding radius after folding tests.
Flexibility test result comparison between the PI-Al2O3 hybrid barrier nanolayer and the inorganic layer: a folded characteristics; b normalized WVTR results according to folding radius after folding tests.