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In this paper, we report the design and fabrication of full-color pixelated-addressable light emitting diode on transparent substrate (LEDoTS) micro-displays. The LEDoTS micro-displays were realized by integrating monochromatic LEDs on a transparent quartz substrate using chip on board (CoB) technique. The full-color pixel has a pitch of 1 mm (P1) and includes red, green, and blue monochromatic LED chips. The pixelated-addressable driving circuit was designed on a custom PCB to provide constant current and individual addressing of each LED pixel with a certain frequency of row and column scanning. With a peripheral FPGA board, the LEDoTS micro-displays were programmed to display representative images and animations.
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Peng et al. (2016) studied this question.
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