Solvent-less repair inks for color filters

Huang-Ming P. Chen; Feng-Chin Tang; Chi-Hsin Li; Wen-Jen Hsieh; Yu-Chuan Lin

doi:10.1117/12.879130

2 February 2011 Solvent-less repair inks for color filters

Huang-Ming P. Chen, Feng-Chin Tang, Chi-Hsin Li, Wen-Jen Hsieh, Yu-Chuan Lin

Proceedings Volume 7955, Emerging Liquid Crystal Technologies VI; 79550E (2011) https://doi.org/10.1117/12.879130
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

Color filter (CF), one of the key components for liquid crystal display (LCD), is costly to make from repeated lithography processes. The defects may be created during the repeated lithography processes. The recycling defect CF panels are environmental unfriendly and not cost-effective process. CF repairing is an important cost-effective technical process to improve product yield. In this study, a solvent-less repaired ink system was studied. The optimized formulas of red, green, blue, and black inks have passed the quality control, reliability, and life-time tests. The new solvent-free ink system possesses the balance characteristics in liquid fluidic, UV reactivity, and color saturation. The energy has been conserved without high temperature process for removing organic solvent. The new system exhibits the state-ofthe- art fabrication process without unnecessary energy waste. As a result, the solvent-less CF repair inks offer a promising result for contributing to a low carbon process in the near future.

Citation Download Citation

Huang-Ming P. Chen, Feng-Chin Tang, Chi-Hsin Li, Wen-Jen Hsieh, and Yu-Chuan Lin "Solvent-less repair inks for color filters", Proc. SPIE 7955, Emerging Liquid Crystal Technologies VI, 79550E (2 February 2011); https://doi.org/10.1117/12.879130

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