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![Towards the optimal design of optically clear adhesives for flexible display](https://image.oaes.cc/aba1d7d1-e39f-47a2-a965-ba75a8622584/ss4022.fig.1.jpg)
Figure 1. (A) The development of IT and smart devices; (B) The changes of device form factor. Foldable and rollable devices are designed to deform primarily in 2-dimensions along a single axis. Stretchable devices are engineered to deform in 3-dimensions with more complex geometries. IT: Information technology.