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Ink-Jet Printing Technology on Manufacturing Color Filter for Liquid Crystal Display Part II: Printing Quality Improvement

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This study discloses a novel application of Ink-Jet printing technology on manufacturing color filter for LCD. With the special inks invested by ITRI (Industrial Technology Research Institute, Taiwan), by using this system with OES self developed head, a strip-type color filter (pixel size 113 μm * 339 μm, with 20 μm black matrix width) made by ink-jet printing method is achieved. The results show that the accuracy of motion and printing are satisfactory. However, the innate characteristics of satellite drop problem by ink-jet method reduce the yield rate. In this study, a driving waveform control method is provided to modulate the ink discharging condition; the preheating and inter-cooling function are elaborate to improve the printing quality. Experimental observation shows a significant reduction in satellite drop and its position deviation, and the dots circularity is acceptable.

Document Type: Research Article

Publication date: January 1, 2003

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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