A Study on the Millbase Dispersion for LCD Color Filters 


Vol. 14,  No. 1, pp. 21-28, Mar.  2008


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  Abstract

The properties of the dispersion of the red, green, and blue pigments were investigated for the manufacture of the millbase of LCD color filters. Their physical properties and viscosity were controlled to apply to the screen printing in order to substitute the existing photolithography method. The best dispersion properties were obtained with dispersant BYK-2000 and monomer EB-140. The millbase was pre-mixed at 500 rpm for 30 min, and dispersed at 4000 rpm for 5 - 6 hour by Torus Mill. The resulting particle sizes were 100 110 nm for red, 50~70 nm for green, and 60~80 nm for blue. When the millbase viscosity was 200 - 300 cps in the low viscosity formulation, an efficient impact of the beads on pigments was achieved. The dispersion properties were confirmed from the rheological behavior and color characteristics.

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  Cite this article

[IEEE Style]

J. IB, A. SC, N. SY, "A Study on the Millbase Dispersion for LCD Color Filters," Clean Technology, vol. 14, no. 1, pp. 21-28, 2008. DOI: .

[ACM Style]

Jung IB, Ahn SC, and Nam SY. 2008. A Study on the Millbase Dispersion for LCD Color Filters. Clean Technology, 14, 1, (2008), 21-28. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

한국연구재단 등재학술지