Fig. 4 | Nature Communications

Fig. 4

From: Large-area and bright pulsed electroluminescence in monolayer semiconductors

Fig. 4

Seven-segment display and millimeter-scale t-EL device. a Optical microscope image and b photoluminescence image of a seven-segment t-EL display. c Operation of the seven-segment display showing EL in the shape of C–A–L. d Schematic of a millimeter-scale device, showing the grid source electrode structure to increase active emission area. e, f Photograph of a packaged, 3 mm × 2 mm, device in the off e and on f state. g Photograph of a millimeter-scale transparent device. h, i Photograph of a large area (3 mm × 2 mm) transparent device in the off h and on i state

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