Method for manufacturing pattern forming body and pattern manufacturing apparatus

Abstract

The main object of the present invention is to form an even pattern. In order to achieve the object, in the present invention, patterns P 1 to P 6 formed on a substrate 400 are formed by liquid droplets discharged from a piezoelectric driving type head unit 300 . The size of each liquid droplet discharged from each orifice 300 - 1 to 300 - n differs depending on the mechanical and electric characteristics. The liquid droplets discharged form each orifice 300 - 1 to 300 - n are thinned out so as to have the liquid droplet amount per unit area to be impacted on each pattern p 1 to P 6 equally.

1 . A method for manufacturing a pattern forming body comprising: forming of a pattern of a lyophilic area on a substrate surface, where liquid droplets wet and spread, corresponding to the pattern to be formed, and thinning out of the liquid droplet discharge from each head according to a predetermined rule such that the liquid droplet amount per unit area to be impacted on the lyophilic area is made even, wherein forming the pattern on the substrate by discharging a plurality of liquid droplets to the substrate from each head while changing the relative position of a head unit with a plurality of integrated heads and the substrate. 
     
     
         2 . The method for manufacturing a pattern forming body according to  claim 1 , wherein the each head discharges the liquid droplets based on the discharging position information, preliminarily determined for the each head, showing the position on the lyophilic area of the liquid droplets to be impacted. 
     
     
         3 . The method for manufacturing a pattern forming body according to  claim 2 , wherein the discharging position information is determined such that the position of thinning out the liquid droplet discharge is dispersed substantially even in the lyophilic area. 
     
     
         4 . The method for manufacturing a pattern forming body according to  claim 2 , wherein the discharging position information designates dots to execute the liquid droplet discharge out of the plurality of dots positioned equally on the lyophilic area, and is determined based on the volume of the pattern to be formed and the discharging amount of the each head. 
     
     
         5 . The method for manufacturing a pattern forming body according to  claim 4 , wherein the discharging position information is produced by method comprising: calculating the number of dots in the pattern based on the smallest discharging amount out of the discharging amounts of the each head and the volume of the pattern to be formed, calculating the average value of the discharging amounts of each head, determining the existence or absence of the discharge for each dot based on the average value, calculating each difference value of the discharging amount of the each head and the average value, and adjusting the existence or absence of the discharge for each dot based on the difference value. 
     
     
         6 . The method for manufacturing a pattern forming body according to  claim 4 , wherein the discharging position information is provided by method comprising: calculating the number of dots in the pattern based on the smallest discharging amount out of the discharging amounts of the each head and the volume of the pattern to be formed, calculating each difference value of the discharging amount of the each head and the smallest discharging amount, and determining the existence or absence of the discharge for each dot based on the difference value. 
     
     
         7 . The method for manufacturing a pattern forming body according to  claim 2 , wherein the discharging position information is determined so as to thin out the liquid droplet discharge at the end part of the lyophilic area. 
     
     
         8 . The method for manufacturing a pattern forming body according to  claim 1 , wherein the pattern of the lyophilic area formed on the substrate surface is formed by using a wettability variable layer, capable of changing the wettability by a function of a photocatalyst accompanied by the energy pattern irradiation, and irradiating energy in a pattern onto the wettability variable layer. 
     
     
         9 . The method for manufacturing a pattern forming body according to  claim 2 , wherein the pattern of the lyophilic area formed on the substrate surface is formed by using a wettability variable layer, capable of changing the wettability by a function of a photocatalyst accompanied by the energy pattern irradiation, and irradiating energy in a pattern onto the wettability variable layer. 
     
     
         10 . The method for manufacturing a pattern forming body according to  claim 8 , wherein the wettability variable layer is a wettability changeable layer having the wettability changed by being contacted to a photocatalyst processing layer containing a photocatalyst, or being energy irradiated after located with a gap of 200 pm or less. 
     
     
         11 . The method for manufacturing a pattern forming body according to  claim 8 , wherein the wettability variable layer is a photocatalyst containing layer comprising a photocatalyst and a binder, having the wettability changed so as to lower the contact angle with a liquid by the function of the photocatalyst accompanied by the energy irradiation. 
     
     
         12 . The method for manufacturing a pattern forming body according to  claim 10 , wherein the photocatalyst is one or two or more substances selected from a titanium oxide (TiO 2 ), a zinc oxide (ZnO), a tin oxide (SnO 2 ), a strontium titanate (SrTiO 3 ), tungsten oxide (WO 3 ), bismuth oxide (Bi 2 O 3 ), and an iron oxide (Fe 2 O 3 ). 
     
     
         13 . The method for manufacturing a pattern forming body according to  claim 11 , wherein the photocatalyst is one or two or more substances selected from a titanium oxide (TiO 2 ), a zinc oxide (ZnO), a tin oxide (SnO 2 ), a strontium titanate (SrTiO 3 ), tungsten oxide (WO 3 ), bismuth oxide (Bi 2 O 3 ), and an iron oxide (Fe 2 O 3 ). 
     
     
         14 . The method for manufacturing a pattern forming body according to  claim 12 , wherein the photocatalyst is a titanium oxide (TiO 2 ). 
     
     
         15 . The method for manufacturing a pattern forming body according to  claim 13 , wherein the photocatalyst is a titanium oxide (TiO 2 ). 
     
     
         16 . The method for manufacturing a pattern forming body according to  claim 10 , wherein the wettability changeable layer or the binder is a layer containing an organo polysiloxane as a hydrolyzed condensation product or a co-hydrolyzed condensation product of one or two or more kinds of silicon compounds represented by Y n SiX( 4-2 ) (here, Y is an alkyl group, a fluoro alkyl group, a vinyl group, an amino group, a phenyl group or an epoxy group, and X is an alkoxyl group, or a halogen. N is an integer from 0 to 3). 
     
     
         17 . The method for manufacturing a pattern forming body according to  claim 11 , wherein the wettability changeable layer or in the binder is a layer containing an organo polysiloxane as a hydrolyzed condensation product or a co-hydrolyzed condensation product of one or two or more kinds of silicon compounds represented by Y n SiX( 4-n ) (here, Y is an alkyl group, a fluoro alkyl group, a vinyl group, an amino group, a phenyl group or an epoxy group, and X is an alkoxyl group, or a halogen. N is an integer from 0 to 3). 
     
     
         18 . A method for manufacturing a color filter, comprising a process of, a pattern of a coloring layer forming coating solution is formed by using the method for manufacturing a pattern forming body according to  claim 1 , and then curing the same to form a coloring layer.