Nissha Printing Co., Ltd.

Takao Sumi

Yoshihide Inako

Masahiro Nishida

Tenri Isoda

Kenichi Masaki

Shigekazu Namura

Kozo Matsumura

Minoru Takaochi

Tenri Hiratani

Takashi Matoba

Kouichirou Shimamoto

A color filter in accordance with the present invention comprises an activated film layer (2) arranged on a transparent substrate (1), said activated film layer (2) having a color pattern formed thereon by permeating a dye thereinto, and a thin metal film pattern (3) formed on a portion, of said activated film layer (2), which requires the formation of a black mask. Accordingly, the color filter integrated into various display devices such as a liquid crystal display is capable of displaying an image having a high contrast. Further, a method for forming a color filter in accordance with the present invention comprises the steps of forming an activated film layer (2) on a transparent substrate (1); permeating a dye into said activated film layer (2) to form a color pattern; and performing an electroless plating to form said thin metal film pattern (3) which functions as a black mask. Accordingly, the method in accordance with the present invention is capable of easily forming a color filter capable of displaying an image having a high contrast.

Color filter and the manufacturing method therefor

A color filter in accordance with the present invention comprises an activated film layer (2) arranged on a transparent substrate (1), said activated film layer (2) having a color pattern formed thereon by permeating a dye thereinto, and a thin metal film pattern (3) formed on a portion, of said activated film layer (2), which requires the formation of a black mask. Accordingly, the color filter integrated into various display devices such as a liquid crystal display is capable of displaying an image having a high contrast.

Color filter with a porous activated film layer having dyes fixed in the

High property, high precision color filter and method for manufacturing

Method of transfer printing plastic molded articles having patterns of

The color filter of this invention comprises a transparent substrate, a porous activated film layer formed on the substrate and made of activated alumina or activated silica or a mixture thereof, a colored area or a pattern formed by the dye fixed in the minute pores of the activated film layer, and a coating layer sealingly closing the upper portions of the minute pores of said activated film layer. This color filter is relatively simple and easy to manufacture, superior in resistivity to heat, water, chemicals, solvents, etc. and suitable for use as a color filter in various display devices, particularly liquid crystal display devices.

Color filter with a porous activated film layer having dye fixed in the

A transfer printing machine in which the articles to be transfer-printed are held in a holder made of a material which does not substantially expand when heated and the articles are heated by an infrared radiation heater to a predetermined temperature. A transfer sheet having symbols and/or designs formed thereon with thermo-diffusible dye is pressed by a pressing pad against the surface of the articles so that the symbols and/or designs are transfer-printed on the surfaces of the heated articles.

Apparatus for transfer printing

A method of transfer printing wherein an adsorptive porous layer of activated alumina or silica or a mixture thereof is formed on the surface of an object to be colored or printed, and a transfer material comprising a carrier sheet and a design layer formed thereon and containing colorants forming a colored pattern is applied to the adsorptive porous layer of the object, and the carrier sheet is stripped away so that the design layer is left adhered to the adsorptive porous layer, and then heat is applied to cause the colorants in the design layer to migrate into the porous layer for exact reproduction of the colored pattern thereon.

Growing community of inventors

Kyoto, Japan

Takao Sumi