System and methods for manufacturing a color filter using a scanning ink jet head

Abstract

The invention provides a system and methods for manufacturing an optical member, such as a color filter, using a scanning ink-jet head, where all nozzles of the ink-jet head precisely scan formation regions of pixels. In accordance with the invention, the accuracy of discharge position of ink from each nozzle is increased, the utilization of the nozzle (printing efficiency) is heightened, variations in color from pixel to pixel are controlled, and optical characteristics of an optical member is thus made uniform in plan view. In the method for manufacturing a color filter, a plurality ink-jet heads 22 , each head having a plurality of nozzles 27 , performs a main scan and a sub scan. Further, in accordance with the invention, if W represent the spacing between two closest nozzles at the closest ends of the two adjacent ink-jet heads 22 with one nozzle in one head 22 and the other nozzle in the other head 22 , and D represent a constant layout pitch D of the nozzles 27 , then the following equation holds: W=mD ( m is an integer of 2 or larger). Additionally, if P represent a sub scanning motion pitch of the head 22 , then the following equation holds: P=nD ( n is an integer of 1 or larger).

1 - 40 . (Cancelled)  
     
     
         41 . An apparatus for manufacturing a color filter, comprising: 
 a plurality of nozzles for ejecting a filter material in droplets; and    a plurality of heads, each head having the plurality of nozzles linearly arranged with a constant layout pitch of (D), the plurality of heads are arranged to form a linear row of nozzles.    
     
     
         42 . An apparatus for manufacturing an electroluminescence substrate, comprising: 
 a plurality of nozzles for ejecting a filter material in droplets; and    a plurality of heads, each head having the plurality of nozzles linearly arranged with a constant layout pitch of (D), the plurality of heads are arranged to form a linear row of nozzles.    
     
     
         43 . A method for manufacturing a color filter, comprising: 
 scanning a substrate by moving a table and a plurality of heads; and    ejecting a filter material in droplets by a plurality of heads, each head having a plurality of nozzles arranged with a constant layout pitch of (D), the plurality of heads are linearly arranged to form a linear row of nozzles.    
     
     
         44 . A method for manufacturing an electroluminescence substrate, comprising: 
 scanning a substrate by moving a table and a plurality of heads; and    ejecting a functional layer forming material in droplets by a plurality of heads, each head having a plurality of nozzles arranged with a constant layout pitch of (D), the plurality of heads are linearly arranged to form a linear row of nozzles.