COLOR FILTER MANUFACTURING METHOD AND APPARATUS, DISPLAY DEVICE MANUFACTURING METHOD, METHOD OF MANUFACTURING APPARATUS HAVING DISPLAY DEVICE, AND DISPLAY DEVICE PANEL MANUFACTURING METHOD AND APPARATUS

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United States of America Patent

PATENT NO 6364450
SERIAL NO

09629453

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Abstract

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It is an object of this invention to provide a color filter manufacturing method which can manufacture a color filter without decreasing the yield even if the nozzle surfaces of ink-jet heads are repeatedly wiped. In order to achieve this object, there is provided a color filter manufacturing method of manufacturing a color filter by discharging ink from an ink-jet head onto a color filter substrate to form colored areas in units of colors, which extend in a predetermined direction. The ink-jet head has an orifice surface in which orifices for discharging ink are formed and a water-repellent member covering at least peripheral portions of the orifices. This method includes the step of preparing a wiping member for wiping the orifice surface, and the step of wiping the orifice surface with the wiping member. The wiping direction of the wiping member coincides with the predetermined direction.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akahira, Makoto Kawasaki, JP 44 741
Yamaguchi, Hiromitsu Yokohama, JP 93 804

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