JPH0627316A - Manufacture of color filter - Google Patents

Abstract

PURPOSE:To provide a color filter manufacturing method which improves productivity. CONSTITUTION:Vehicle plates 24, 25, and 26 are arranged, and resin ink 21 is applied to the vehicle plate 24, and resin ink 22 to the vehicle plate 25, and resin ink 23 to the vehicle plate 26. A relief 30 which transfers a part of the ink 21 of the plate 24, a relief 31 which transfers a part of the ink 22 of the plate 25, and a relief 32 which transfers a part of the ink 23 of the plate 26 are provided at a roller 27. Plural relieves 30, 31, and 32 arranged in the length direction of the roller 27 are separated in the length and circumferential directions of the roller 27. The roller 27 is moved so as to roll the circular arc planes of the relieves 30, 31, and 32 on the plates 30, 31, and 32. Parts 21', 22', and 23' of the ink 21, 22, and 23 are transferred on the relieves 30, 31, and 32. A glass substrate 34 is fixed on a stage 33, and the roller 27 is moved as rolling, and the ink 21', 22', and 23' are printed sequentially on the glass substrate 34, or print is performed simultaneously by arranging the relieves 30, 31, and 32 in the length direction of the roller 27.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a color filter used for a color liquid crystal display panel or the like, and more particularly to a method for manufacturing a color filter for multi-color display in which pixels are arranged in stripes.

Liquid crystal display panels, which are characterized by thinness, light weight, and low power consumption, are rapidly becoming widespread, and the market trend is toward large screens, high definition, and colorization. As the demand expands, it is necessary to supply low-cost color liquid crystal display panels.

[0003]

2. Description of the Related Art A color filter of a color liquid crystal display panel generally forms red (R), green (G) and blue (B) pixels on a glass substrate. The pixel array includes a triangular array in which pixels of three colors are arranged in a zigzag pattern, a mosaic array in which the pixels are arranged in a checkerboard pattern, and a stripe array in which strip-shaped pixels are arrayed in the width direction.

Color pixel manufacturing methods include a pigment dispersion method using a resin in which a pigment is dispersed, a dyeing method in which gelatin is dyed with a dye, and an electrodeposition method in which a transparent electrode is formed and the surface is colored by an electrophoretic method. Is generally known, and there are a method using a photolithography technology and a method using a printing technology in the pigment dispersion method. However, it is necessary to repeat the same process three times for each color of red, green and blue. .

FIG. 9 is a sectional view showing the main structure of a color liquid crystal display panel, and FIG. 10 is an explanatory view of an example of manufacturing the conventional color filter shown in FIG. In FIG. 9, a liquid crystal display panel 1 has a pair of transparent substrates (glass substrates) 2 and 3 facing each other with a constant gap, and liquid crystal 5 is filled in a facing gap between the transparent substrates 2 and 3 whose periphery is hermetically sealed with a sealing material 4. To do.

On the other surface (upper surface) of the substrate 2 provided with the polarizing plate 11 on one surface (lower surface), a large number of transparent electrodes 6 extending in the thickness direction of the drawing paper and unevenness due to the transparent electrodes 6 are formed. And an alignment film 7 which is to be flattened.

On the other surface (lower surface) of the substrate 3 having the polarizing plate 12 on one surface (upper surface), the black mask pattern 8 is formed.
A color filter composed of red pixels R, green pixels G and blue pixels B, and a large number of transparent electrodes 9 extending in the left-right direction,
An alignment film 10 is formed to fill the irregularities formed by the transparent electrode 9 and flatten it.

In FIG. 10, after the black mask pattern 8 is formed on the surface of the transparent substrate 3, a photosensitive resin film for forming the first pixel, for example, a photosensitive resin film 14 in which a red pigment is dispersed, is generally spun. It is applied by the coating method.

Next, a pre-baking process for the resin film 14 is performed.
(90 ° C. for a few minutes), the oxygen barrier film 15 is deposited thereon, and the oxygen barrier film 15 is baked (at 90 ° C. for a few minutes).

Next, the resin film 14 is exposed to light using the mask 16, and the oxygen blocking film 15 and the non-photosensitive portion of the resin film 14 are removed by a developing process, and post-baking of the pixel R formed of the resin film 14 is performed. Perform treatment (at 200 ° C for several minutes).

Thereafter, the same steps as those for the pixel R are repeated to form the pixel G and the pixel B, and the color filter is completed.

[0012]

As described above, in the conventional dyeing method, pigment dispersion method, and electrodeposition method, the number of steps is increased because a pattern is formed or printed for each pixel of different colors, resulting in an increase in cost and a low price. There is a drawback in terms of

Further, in the conventional printing method of printing the pigment-dispersed resin ink by utilizing the printing technique, as shown in FIG.
Ink-deposited surface 18 of 17 is a flat surface, and printed ink 19
However, there is a drawback in that the cross section of the swells up at the periphery and causes uneven color.

[0014]

According to FIG. 1 which is an explanatory view of the basic steps of the method of the present invention, the spreading plates 24, 25 and 26 are aligned in the moving direction of the rotating roller 27, and Resin ink such as red resin ink 21 is applied to the surface of the first color-developing plate 24, second resin ink such as green resin ink 22 is applied to the surface of the second color-developing plate 25, and the third resin Ink, for example, blue resin ink 23 is applied to the surface of the third color-developing plate 26.

The roller 27 has the ink 21 applied to the flat plate 24.
First relief plate 30 that transfers a part of the to the arc surface of the tip, and a flat plate
A second relief plate 31 for transferring a part of the ink 22 applied to 25 to the arc surface at the tip and a third relief plate 32 for transferring a part of the ink 23 applied to the flat plate 26 to the arc surface at the tip are provided.

A plurality of letterpress plates 30, 31, 32 arranged in the length direction of the roller 27 (thickness direction of the paper) are arranged in the roller 27.
Are separated in the length direction and the circumferential direction of the
Roll so that the circular arc surface of letterpress 30, 31, 32 rolls over 5,26
When 27 is moved, the ink on the arc surface of letterpress 30, 31, 32
Part 21, 21 ', 22', 23 'of 21, 22, 23 will be transferred.

A glass substrate 34 is fixed to the stage 33, and while the roller 27 is rotated, the glass substrate 34 is moved toward the glass substrate 34, and ink 21 ', 22', 23 'is sequentially printed on the glass substrate 34, or a letterpress 30, 31 and 32 are aligned in the length direction of the roller 27 and ink 21 ', 22' and 23 'are printed at the same time, then the printing ink
21 ′, 22 ′, 23 ′ are baked, and colored pixels 35, 36,
A color filter 38 in which 37 is a stripe array is completed.

[0018]

According to the above means, the rotary roller is provided with a plurality of (three types) of relief plates, and the resin inks of different colors are applied to each of the three expanded color flat plates. By rolling the rotation roller along the resin plate, different color resin inks are transferred to each of the relief plates by one transfer operation.

In order to print a plurality of resin inks on one glass substrate using such a rotating roller, the operation except the step of transferring the ink to the letterpress plate is repeated or a plurality of letterpress plates are aligned at once. It comes to print.

Furthermore, a plurality of glass substrates (three glass substrates for three-color printing) corresponding to the plurality of relief plates of the rotating roller (plate cylinder) are prepared, and a plurality of printing operations including ink transfer are performed. Simultaneous printing on one glass substrate, for example, the first printing is red printing on the first glass substrate, the second glass substrate is green printing, the third glass substrate is blue printing, and the second printing is the first printing. Green printing on the glass substrate, blue printing on the second glass substrate, red printing on the third glass substrate,
In the first printing, blue printing is performed on the first glass substrate, red printing is performed on the second glass substrate, and green printing is performed on the third glass substrate. The printing operation, which was nine times for three-color printing, can be completed three times by applying the method of the present invention.

Therefore, the method of the present invention reduces the number of printing steps as compared with the conventional method, and enables the cost reduction due to the simplification of the manufacturing process of the color filter.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory view of the basic steps of the method of the present invention, FIG.
3 is an explanatory view of a method of applying resin ink to the color-developing plate,
Is a development view showing the arrangement of the relief printing plate shown in FIG. 1, FIG. 4 is an explanatory view of a printing method according to the first embodiment of the present invention, and FIG. 5 is an explanatory view of a printing method according to the second embodiment of the present invention. 6 and 7 are explanatory views (No. 1 and No. 2) of the operation of the third embodiment of the method of the present invention, and FIG. 8 is an explanatory view of the ink receiving surface of the relief printing plate according to the method of the present invention.

In FIG. 1 (A), the table 20 has a color-developing plate.
24, 25, 26 are fixed, a first resin ink, for example, a red resin ink 21 is applied to the surface of the first color-developing plate 24, and a second resin ink, for example, a green resin ink 22 is applied to the second color-developing plate. The third resin ink, for example, blue resin ink 23
Is applied to the surface of the third color-developing plate 26, and the color-developing plates 24, 25, 26
Are aligned in the moving direction of the rotating roller 27.

The above-mentioned application of the colored resin inks 21, 22, and 23 is arranged, for example, in the moving direction of the rotating roller 27 (the direction of arrow A in the drawing) as shown in FIG. Spread predetermined ink 21,22,23 from 28 Flat plate 2
Drop onto 4,25,26 and level it to a uniform thickness with a squeegee 29.

The rotating roller 27 has a first relief plate 30 for transferring a part of the ink 21 applied on the flat plate 24 to an arc surface at the tip,
A second relief plate 31 that transfers a part of the ink 22 applied to the flat plate 25 to the arc surface of the tip and a third relief plate 32 that transfers a part of the ink 23 applied to the flat plate 26 to the arc surface of the tip are provided. .

A plurality of relief plates 30, 31, 32 are provided, and each of the plurality of relief plates 30, 31, 32 is aligned in the length direction of the roller 27 (thickness direction of the drawing paper) and for ink transfer. The circular arc surfaces do not overlap in the circumferential direction of the roller 27, that is, as shown in FIG. 3, those of the same kind are aligned in the length direction of the roller 27 indicated by the arrow A, and the circumference of the roller 27 indicated by the arrow B is aligned. It is arranged so as to be separated in the direction in units of types.

Therefore, as shown by the arrow in FIG.
While rotating 27 to the left, move it from right to left,
When the tip circular arc surfaces of 30,31,32 roll on the flat plates 24,25,26, as shown in FIG. 1 (B), first, one of the inks 21 applied to the flat plate 24 is applied to the circular arc surface of the relief plate 30. Part 21 'of the ink 22 applied to the flat plate 25 on the arc surface of the relief plate 31
2'is transferred, and then a part 23 'of the ink 23 applied to the flat plate 26 is transferred to the arc surface of the relief plate 32.

Then, as shown in FIG. 1 (C), the glass substrate 34 is fixed to the stage 33, and the roller 27 is moved while rotating from the right to the left in the drawing while rotating the ink 27 'transferred to the relief plate 30. After printing on the glass substrate 34, the stage 33 is lowered, the roller 27 is returned to the left without rotating, and the stage 33 is raised and returned.

After the operation of the roller 27 and the operation of the stage 33 are repeated three times, the ink printed on the glass substrate 34 is printed.
By baking the 21 ', 22', and 23 ', the ink 2 is formed on the glass substrate 35 as schematically shown in FIG. 1 (D).
Pixels (solid line) 34 printed with 1 ', ink 22'
A color filter 38 in which a plurality of pixels (dotted line) 36 formed by printing and a plurality of pixels (dotted line) 37 formed by printing ink 23 'are in a stripe array is completed.

Next, a first embodiment of the present invention will be described with reference to FIG. 4 and with reference to FIGS. The first embodiment of the present invention, as described with reference to FIG. 1 and FIG.
3, 31, 32 are fixed to the rotating roller 27, and three color-developing flat plates
Resin ink 21,22,23 of different colors is applied to 24,25,26 respectively, and the tip arc surface of the letterpress plates 30,31,32 is rolled on the color-developing flat plates 24,25,26. , 23 part 21 ', 22', 23 '
Is transferred to the arc surface of the tip of the letterpress plates 30, 31, 32, and then the printing shown in FIG. 4 is started.

In FIG. 4A, the glass substrate 34 is fixed to the stage 33 arranged on the left side of the rotating roller 27, and the roller 27 is moved leftward while being rotated rightward as indicated by an arrow in the figure. Then, as shown in FIG. 4B, the ink 23 'is printed so as to be rubbed against the glass substrate 34.

Therefore, the roller 27 is temporarily stopped and the stage 33
To the left by a predetermined amount, the stage
The roller 27 on the left side of 33 is positioned on the right side of the stage 33 as shown in FIG. 4 (C). When moving the stage 33, the roller 27 is temporarily moved upward or the stage 33 is moved downward so as to separate the roller 27 and the glass substrate 34 as necessary.

Next, when the roller 27 is again rotated by a predetermined amount to the right and moved to the left, the ink 22 'is lined up with the ink 23' in the thickness direction of the drawing paper as shown in FIG. 4D. It is printed on the substrate 34.

Therefore, the same as the ink 22 'is printed.
After printing 21 'on the glass substrate 34, the inks 21', 22 ', 23' printed on the glass substrate 34 are printed at 1
After baking for about an hour, ink 21 'as shown in Fig. 1 (D)
A plurality of pixels (solid line) 34 formed by printing, a plurality of pixels (dashed line) 36 formed by printing ink 22 ', and a plurality of pixels (dashed line) 37 formed by printing ink 23' are stripes The color filter 38, which is an array, is completed.

Next, a second embodiment of the present invention will be described with reference to FIG. 5 and with reference to FIGS. FIG. 5 (A) shows the rotating shaft 41.
FIG. 4 is a view seen from one end of the plurality of thin plate members 42 whose tip is the relief plate 31 fixed at a predetermined interval to a rotating shaft 41 corresponding to the rotating roller 27, and which is a plurality of thin plate members. 43 and a plurality of thin plate members 44 with the leading end serving as the relief plate 32 are rotatably fitted to the rotating shaft 41, and the thin plate members 42 and 43 are arranged in the longitudinal direction of the rotating shaft 41.
And 44 are listed in the order listed.

Between the rotating shaft 41 and the thin plate member 43 and the rotating shaft
Between the thin plate member 41 and the thin plate member 44, the thin plate members 42, 43, 44 are separated from the rotation angle of the thin plate members 43, 44, that is, the position aligned with the thin plate member 42 in the circumferential direction of the rotation shaft 41. Rotation angle control means to the position, for example, as shown in FIGS. 5 (B) and 5 (C) viewed from the same direction as FIG. 5 (A), pins 45 and 46 are planted on the rotation shaft 41 to form a thin plate member. 43 has a groove 47 where the pin 45 contacts at both ends
The thin plate member 44 is provided with a groove 48 with which the pin 46 abuts at both ends.

In FIGS. 5B and 5C, the pin 45 and the groove 47 are
The pin 46 and the groove 48 are in a state in which the thin plate members 43 and 44 are separated from the thin plate member 42, and when the thin plate members 43 and 44 are aligned and aligned with the thin plate member 42, the pins 45 and 46 are formed in the grooves 47 and 48. It comes to abut on the opposite end.

The thin plate members 42, 43, and 44 are fixed or fitted to the rotary shaft 41 and replaced with the rotary roller 27 of FIG.
As shown in (D), the resin ink 23 ′ is applied to the relief 32 of the thin plate member 44.
, The resin ink 22 'on the relief plate 31 of the thin plate member 43,
The resin ink 21 'is transferred to the relief plate 30 of 42 in the same manner as those of FIG.

Then, as shown in FIG. 5 (E), the thin plate member
If the relief plate 31 of 43 and the relief plate 32 of the thin plate member 44 are aligned with the relief plate 30 of the thin plate member 42, the resin 21 ′, 22 ′, and 23 ′ can be printed on the glass substrate in one printing operation. To do.

Next, a third embodiment of the present invention will be described with reference to FIG. 6 and with reference to FIGS. In FIG. 6 (A),
The letterpress plates 52, 53, and 54 are fixed to the plate cylinder 51 corresponding to the rotating roller 27. The letterpress plates 52, 53, and 54 fixed at equal pitches of 120 degrees in the circumferential direction of the plate cylinder 51 have a plurality of convex portions 55 _-1 , 55 aligned in the length direction of the plate cylinder 51 (thickness direction of the drawing paper). 55 _-2 and 55 _-3 project.

The plurality of convex portions 55 _-1 , 55 _-2 , 55 _-3 are arranged one by one in the lengthwise direction of the plate cylinder 51 in the order in which they are described, and the respective projections 55 _-1 , 55 _-2 are arranged. , 55 _-3 , in the above letterpress 30, 31, 32
In the same manner as above, from each of the spreading plates 24, 25, 26, resin ink
Part 21 ', 22', 23 'of 21, 22, 23 is transferred as shown in FIG. 6 (B).

FIG. 6 is a diagram for explaining the process continued from FIG. 6 (B).
In 7 (A), 56 is a glass substrate 34. _-1Fixed stay
Di and 57 are glass substrates 34_-2Fixed stage, 58 is gala
Substrate 34_-3The glass substrate 3
Four_-1, 34_-2, 34_-3Is the plate cylinder 51, as shown by the arrow in the figure.
If you move it to the left while rotating it to the right,
Board 34_-1When letterpress 52 corresponds to, glass substrate 34_-2In
Letterpress 53 is glass substrate 34_-3So that the letterpress 53 corresponds
Arrange.

Therefore, in the first ink transfer, the letterpress 5 was used.
2, 53, 54, for example, the ink 21 'on the protrusion 55 _{-1 of the} letterpress 52,
'The ink 23 in the projection 55 _-3 letterpress 54' ink 22 to the projection 55 _-2 letterpress 53 after the transfer of the glass substrate 34 _-1, 34 _-2, 34
The upper surface of _-3 to rub the letterpress 52, 53 and allowed to move the plate cylinder 51 in the left direction while rotated clockwise as shown in FIG. 7 (B), the ink 21 'in the glass substrate 34 _-1 printed on the glass substrate 34 _-2 'prints the ink 23 to the glass substrate 34 _-3' ink 22 comes to print.

Next, the plate cylinder 51 is returned to the right of the stages 56, 57 and 58, and the ink 2 is transferred to the relief plate 52 by the second ink transfer.
After transferring 1 ', the ink 22' to the relief plate 53, and the ink 23 'to the relief plate 54, and then rotating the plate cylinder 51 in the right direction 120 degrees, the plate cylinder 51 before the second printing starts is shown in FIG. As shown in (C), transfer ink 22 '→ transfer ink 23' → transfer ink 21 '
Ready to print in order.

Therefore, similar to the first printing, the plate cylinder
When the second printing is performed by moving 51 to the left while rotating it to the right, as shown in FIG. 7 (D), the glass substrate 34 _-1 has the side of the ink 21 'printed at the first time (see the drawing paper). Ink 22 'is printed in the thickness direction, and ink 23' is printed next to the ink 22 'printed the first time on the glass substrate 34 _-2.
34 _-3 has ink 2 beside ink 23 'printed the first time.
Print 1 '.

Then, after the letterpress 54 was rotated leftward 120 degrees (return rotation), the third ink transfer was performed.
Ink 21 'on letterpress 52, ink 22' on letterpress 53, letterpress 54
After transferring the ink 23 ′ onto the plate, the plate cylinder 51 is made to rotate 240 degrees to the right, and the third printing is performed in the same manner as the first and second printing.
Doing times of the print, first the glass substrate 34 _-1, the ink 21 printed on the second time ', 22' of the ink 23 'printed next to the first to the glass substrate 34 _-2, the The ink 21 'is printed next to the inks 22', 23 'printed the second time, and the glass substrate 34
_{At -3} , the ink 22 'is printed next to the inks 23' and 21 'printed in the first and second times.

[0047] As a result, the glass substrate 34 _-1, 34 _-2, 34 _-3, the ink 21 ', 22', 23 'are printed, respectively, three simultaneous ink 21', 22 ', 23' Printing Then, the printed inks 21 ', 22' and 23 'are baked, for example, at about 100 ° C. for about 1 hour to complete three color filters 38 at the same time as shown in FIG. 1 (D).

In FIG. 8, according to the method of the present invention, letterpress 30, 31,
32 and letterpress relief 55 _-1 , 55 _-2 , 55 _-3 with resin ink
The (transfer) surface is a rounded concave surface 57 as shown in FIG. 8 (A).
Alternatively, it is proposed to form a rectangular concave surface 58 as shown in FIG. 8 (B).

When the resin ink is transferred to the concave surfaces 57 and 58 and the transferred ink is printed on the glass substrate, the printing ink 59 has a uniform thickness as shown in FIG. Eliminate the excitement.

Further, in the method of the present invention, stages 55, 56, 57
By prebaking the printed ink, for example, by heating it at 100 ° C. for several minutes and drying the ink, it is possible to eliminate color unevenness due to mixing of different kinds of ink.

[0051]

As described above, according to the method of the present invention, the number of steps in manufacturing a color filter can be reduced, and the cost of the color filter can be reduced.

By making the ink transfer surface of the relief printing plate concave, the pixel thickness is made uniform and the quality of the display color is improved. Furthermore, by prebaking the resin ink immediately after printing, such as by incorporating a heater in the stage that mounts the glass substrate, it is possible to eliminate ink bleeding between adjacent inks and improve the quality of the display color. become.

[Brief description of drawings]

FIG. 1 is an explanatory view of basic steps of the method of the present invention.

FIG. 2 is an explanatory diagram of a method of applying resin ink to a color-developing flat plate.

FIG. 3 is a development view showing an arrangement of the letterpress plate shown in FIG. 1.

FIG. 4 is an explanatory diagram of a printing method according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of a printing method according to a second embodiment of the present invention.

FIG. 6 is an explanatory diagram (part 1) of the operation of the third embodiment of the method of the present invention.

FIG. 7 is an explanatory view (No. 2) of the operation of the third embodiment of the method of the present invention.

FIG. 8 is an explanatory diagram of an ink-coated surface of a relief plate according to the method of the present invention.

FIG. 9 is a cross-sectional view showing the main configuration of a color liquid crystal display panel.

FIG. 10 is an explanatory diagram of a manufacturing example of a conventional color filter.

FIG. 11 is a cross-sectional view of conventional ink printed by letterpress.

[Explanation of symbols]

21 is the first resin ink 21 'is a part of the first resin ink transferred to the first relief plate 22 is a second resin ink 22' is a part of the second resin ink transferred to the second relief plate 23 is the third resin ink 23 'is a part of the third resin ink transferred to the third relief plate 24 is the first color-developing plate 25 is the second color-developing plate 26 is the third color-developing plate 27 Is the rotating roll 30 is the first relief plate 31 is the second relief plate 32 is the third relief plate 33,56,57,58 is the glass substrate mounting stage 34, 34 _-1 , 34 _-2 , 34 _-3 is the glass substrate 35, 36 and 37 pixels 38 a color filter 51 is a plate cylinder 52 the third relief plate 55 first letterpress 53 provided on the plate cylinder is a second relief plate 54 provided on the plate cylinder which is provided on the plate cylinder _{- 1} is the convex portion of the first relief plate 55 _-2 is the convex portion of the second relief plate 55 _-3 is the convex portion of the second relief plate 57, 58 is the ink application (transfer) concave surface

Claims (5)

[Claims] 1. The first resin ink (21) is applied to a first color-developing plate.
The second resin ink (22) is applied to the surface of (24), the second resin ink (22) is applied to the surface of the second color-developing plate (25), and the third resin ink (23) is applied to the third color-developing plate (26). ) Is applied to the surface of the rotating roll (27), and a plurality of first relief plates (3) aligned in the length direction of the roll (27) are aligned.
0) and a plurality of second letterpress plates (31) spaced apart from the first letterpress plate (30) in the length direction and the circumferential direction of the roll (27) and aligned in the length direction of the roll (27). And the first and second letterpress (30,3
A plurality of third letterpress plates which are spaced apart from each other in the longitudinal direction and the circumferential direction of the roll (27) with respect to 1) and are aligned in the longitudinal direction of the roll (27)
(32) are provided, a part (21 ′) of the resin ink (21) of the first color-developing flat plate (24) is transferred to the plurality of first relief plates (30), and the plurality of second A part (21 ') of the resin ink (22) of the second color-developing flat plate (25) is transferred to the letterpress plate (31) of the third letterpress plate (31).
Part (32) of the resin ink (23) of the third color-developing plate (25)
(21 ′) is transferred to the plurality of first, second, and third relief plates (3
A method for producing a color filter, characterized in that the transfer resin inks (21 ', 22', 23 ') of 0, 31, 32) are printed on one glass substrate (34). 2. The plurality of first relief plates (30) are fixed to the rotating roll (27), and the plurality of second and third relief plates (31, 32) are rotated around the roll (27). The second letterpress plate is movably fitted together with the first letterpress plate (30) in the longitudinal direction of the roll (27) when a part (22 ') of the second resin ink (22) is printed. When the resin ink (22) is transferred from the second color-developing flat plate (25), it is rotated away from the first relief plate (30) in the circumferential direction of the roll (27). The third relief plate (32) is used for printing a part (23 ') of the third resin ink (23).
(30, 31) are aligned in the length direction of the roll (27), and when the resin ink (23) is transferred from the third color-developing flat plate (26), the first and second relief plates (30, 31) To the circumferential direction of the roll (27) away from each other, and the resin ink (from the first color-developing plate (24) and the second and third color-developing plates (25, 26) 21,22,2
At the time of transfer for transferring a part (21 ′, 22 ′, 23 ′) of 3) to the first, second, and third relief plates (30, 31, 32), the first, second, and third
The third letterpress (30, 31, 32) is transferred separately, and at the time of the printing, the first, second, and third letterpress (30, 31, 32) are aligned and simultaneously printed. A method for manufacturing the described color filter. 3. A predetermined linear movement with respect to the central axis while rotating.
For the plate cylinder (51) that is movable in the angular direction, the length direction of the plate cylinder (51)
Multiple convex parts (55_-1, 55_-2, 55_-3) Is
The first, second, and third letterpress plates (52, 53, 54) arranged in a row are connected to the first
Letterpress relief (55_-1), The convex portion of the second relief plate (55_-2), The third
Convex part of letterpress (55_-3) In turn one by one, the length of the plate cylinder (51)
And the plate cylinder (51) rotates for 120 degrees.
It is fixed so that it is isolated by a space, and the first, second, and third
From the color plates (24, 25, 26) to the first, second and third relief plates (52, 5
3,54) convex parts (55_-1, 55_-2, 55_-3) To the first resin
Ink (21 ', 22', 23 ') is transferred to the plate cylinder (51).
The first, second and third stages (56,
57,58) glass substrate (34_-1, 34_-2, 34_-3)
The first stage is fixed by rotating the plate cylinder (51) once.
Glass substrate of (34_-1) To the first relief printing plate (55_-1) Of
1 resin ink (21 ') to the glass of the second stage
PCB (34_-2) To the second relief printing plate (55_-2) Second resin
Ink (22 ') is applied to the glass substrate (34) of the third stage.
_-3) To the third relief printing plate (55_-3) Third resin ink
After printing (23 '), the first, second, and third relief printing
Convex part (55 _-1, 55_-2, 55_-3) Each of the second resin
Transfer the ink (21 ', 22', 23 ') and place the plate cylinder (51).
Second time after the first free rotation of 120 degrees in a fixed direction
After printing the eyes, the glass substrate (34
_-1) To the second relief printing plate (55_-2) Second resin ink
(22 ') to the glass substrate (34_-2) To
Third letterpress relief (55_-3) Third resin ink (23 ')
To the glass substrate (34_-3) To the first
Letterpress relief (55_-1) Print the first resin ink (21 ')
After that, the first idle return of the plate cylinder (51)
After rolling, the convex parts (5
Five_-1, 55_-2, 55_-3) Each of the 3rd resin ink
(21 ', 22', 23 ') and transfer the plate cylinder (51) to the predetermined direction.
240 degrees to the opposite direction or 120 degrees to the opposite direction of the predetermined direction
After allowing the idle rotation of the eyes, perform the third printing and
1 stage glass substrate (34_-1) To the third relief relief
 (55_-3) The third resin ink (23 '),
Glass substrate (34_-2) To the first relief printing plate (55_-1)
Of the first resin ink (21 ') of the
Lath board (34_-3) To the second relief printing plate (55_-2) Of the second
Color characterized by printing resin ink (22 ')
Filter manufacturing method. 4. The first, second and third relief printing plates according to claim 1.
(30, 31, 32) or the relief printing plate (55 _-1 , 5, 5) according to claim 2.
The method for producing a color filter according to claim 1, 2 or _{3, wherein} the resin ink transfer surface of 5 _-2 , 55 _-3 ) is formed as a concave surface. 5. The glass substrate (34, 34 _-1 , 34 _-2 , 34 _-3 )
A heater is provided on the stage (33, 56, 57, 58) for fixing the glass substrate (34, 34 _-1 , 34 _-2 , 34 _-3 ) by the heater.
The resin ink (21 ', 22', 23 ') printed on the glass substrate (34, 34 _-1 , 34 _-2 , 34 _-3 ) is prebaked by heating the glass substrate (34, 34 _-1 , 34 _-2 , 34 _-3 ). A method for manufacturing a color filter according to claim 2 or 3.