Fig. 6: Application of pixel-addressable device as image sensor.
From: Individually addressable and flexible pressure sensor matrixes with ZnO nanotube arrays on graphene

a Schematic illustration of pressure mapping. b SEM image for the tip of the probe used for pressure-resolved imaging. c Comparison of the real-time responses from eight diagonal pixels in device AD20. d Contour plot illustrating the capability of 8 × 8 addressable device arrays for imaging the spatial profile of applied stress.