Patent ID: 7775179

Claim:
An apparatus for fabricating a color filter, comprising: an inkjet head disposed to print a pixel on a substrate; an optical system disposed relative to the inkjet head and the substrate, the optical system including a light source for emitting light and a photodetector for detecting the light, the photodetector generating data indicative of a pixel quality of the pixel; an analyzer receiving the data, determining the pixel quality based on the data and controlling the inkjet head in accordance with the pixel quality, a first carriage reciprocating in a first direction and having the inkjet head mounted thereto; a second carriage reciprocating in a second direction and having the light source mounted thereto; and a third carriage reciprocating in the second direction and having the photodetector mounted thereto, wherein the inkjet head is disposed between the light source and the photodetector such that ink droplets ejected from the inkjet head pass through light emitted by the light source.