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Toward fully flexible multilayer moisture-barriers for organic light-emitting diodes
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View: Figures


Image of FIG. 1.
FIG. 1.

Electrical and optical Ca test result. Measurements were carried out at 85 °C and 85% RH.

Image of FIG. 2.
FIG. 2.

Photographs showing bending tests of the samples with various bending radii.

Image of FIG. 3.
FIG. 3.

Electrical Ca test results for structures (I)–(IV) with different bending radii.

Image of FIG. 4.
FIG. 4.

Electrical Ca test results showing the reduction in moisture-barrier performance after 10 000 bending cycles at different bending radii for structures (I)–(VI). Reprinted with permission from S.-W. Seo, H. Chae, S. J. Seo, H. K. Chung, and S. M. Cho, Appl. Phys. Lett. , 161908 (2013). Copyright 2013 American Institute of Physics.

Image of FIG. 5.
FIG. 5.

Theoretically calculated tensile strain on AlO surface for three different model structures representing structures (I)–(VIII).

Image of FIG. 6.
FIG. 6.

Comparison of the calculated tensile strain with the experimental Ca test results for structures (I)–(VI).

Image of FIG. 7.
FIG. 7.

(a) Electrical Ca test results of multilayer structures in a neutral plane before and after 10 000 bending cycles with different bending radii. (b) The effect of a neutral-plane location of structure (VII) and (VIII) on reducing moisture-barrier performance after cyclic bending experiments.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Toward fully flexible multilayer moisture-barriers for organic light-emitting diodes