用于 OLED 和 QLED 显示面板的无 Mura G8.5 220ppi 喷墨打印技术

IF 1.7 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of the Society for Information Display Pub Date : 2024-05-02 DOI:10.1002/jsid.1289

Hidehiro Yoshida, Shuhei Nakatani, Takashi Inoue, Yukiya Usui, Futoshi Ohtsuka

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引用次数: 0

摘要

本文报告了无穆拉高精度印刷的开发情况，以实现采用 G8.5 玻璃基板的高分辨率有机发光二极管和量子点发光二极管显示面板。为了实现无村打印，我们开发了单通道打印头和新的像素体积调节系统，像素体积变化率为 ±0.8%。为了实现高精度印刷，我们开发了 G8.5 工作台系统，通过改变每个喷嘴的喷射时间来补偿墨滴位置。经过验证，液滴位置精度为 ±2.1 μm。通过结合这些技术，我们在 G8.5 工作台上实现了无穆拉 220ppi 印刷。

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Mura-free G8.5 220ppi inkjet printing technology for OLED and QLED display panels

This paper reported on the development of a Mura-free and high precise printing to realize high-resolution organic light-emitting diode and quantum dot light-emitting diode 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 to realize high precise printing, we developed the G8.5 table system that compensated for the drop position by changing the jetting time of each nozzle. And verified a drop position accuracy of ±2.1 μm. By combining these technologies, we achieved Mura-free 220-ppi printing on the G8.5 table.

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来源期刊

Journal of the Society for Information Display 工程技术-材料科学：综合

CiteScore

4.80

自引率

8.70%

发文量

审稿时长

3 months

期刊介绍： The Journal of the Society for Information Display publishes original works dealing with the theory and practice of information display. Coverage includes materials, devices and systems; the underlying chemistry, physics, physiology and psychology; measurement techniques, manufacturing technologies; and all aspects of the interaction between equipment and its users. Review articles are also published in all of these areas. Occasional special issues or sections consist of collections of papers on specific topical areas or collections of full length papers based in part on oral or poster presentations given at SID sponsored conferences.