Abstract
This paper reported on the development of a Mura‐free and high precise printing to realize high resolution QLED and OLED display panels with a G8.5 glass substrate. To realize Mura‐ free printing we developed the single‐path print line head and the new pixel volume adjustment system with a pixel volume variation of ±0.8%. And also, to realize high precise printing we developed the G8.5 table system that compensated for the drop position by changing the ejecting time of each nozzle. And verified a drop position accuracy of ±2.1μm. By combining these technologies, we achieved Mura‐free 220ppi printing on the G8.5 table.
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