Ink for use in ink-jet recording, color filter, liquid crystal p

Details Ink for use in ink-jet recording, color filter, liquid crystal p Ink for use in ink-jet recording, color filter, liquid crystal p

1998-09-15

2000-05-16

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3149, 106 315, 430 7, C09D 1102, G02B 520

Patent

active

060631740

ABSTRACT:
A color filter having a wide color reproducing range and provided with green pixels having a high permeability. The color filter is provided with green pixels containing a water soluble dye A having the x- and y-chromaticity characteristics in the CIE chromaticity diagram as described below and a water soluble dye B having the spectroscopic characteristics as described below:
Water soluble dye A: x-chromaticity is 0.190 to 0.280 when the y-chromaticity is 0.520 in a phosphate buffer solution comprising 60 mM/liter of Na.sub.2 HPO.sub.4.12H.sub.2 O and 16 mM/liter of KH.sub.2 PO.sub.4 at pH 7.5; and
Water soluble dye B: Transmittance of light having a wavelength of 530 nm is 95% or more and transmittance of light having a wavelength of 450 nm is 50% or less in a phosphate buffer solution comprising 60 mM/liter of Na.sub.2 HPO.sub.4.12H.sub.2 O and 16 mM/liter of KH.sub.2 PO.sub.4 at pH 7.5.

REFERENCES:
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patent: 4864324 (1989-09-01), Shirota et al.
patent: 5123960 (1992-06-01), Shirota et al.
patent: 5282894 (1994-02-01), Albert et al.
patent: 5968688 (1999-10-01), Masuda et al.
"Color Science Handbook", New Edition, edited by the Color Science Association of Japan (Sep. 10, 1985), pp. 94-101, with excerpt English Translation.

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