Scientists 3D Print Flexible OLED Display computerscience materialsscience science technology
The fully 3D-printed flexible OLED display prototype is about 1.5 inches on each side and has 64 pixels. Image credit: McAlpine Group, University of Minnesota.
Printing methods are being actively investigated because of the potential for scaling up to large panel displays and reduction of material waste Professor McAlpine and colleagues had previously tried 3D printing OLED displays, but they struggled with the uniformity of the light-emitting layers. The electrodes, interconnects, insulation, and encapsulation were all extrusion printed, while the active layers were spray printed using the same 3D printer at room temperature.
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