KR102561765B1 - Pressurizing apparatus for roller and patterning apparatus having the same - Google Patents

Abstract

In a pressure device for a roller and a patterning device including the same, the pressure device is disposed adjacent to the pattern roller and presses a specific region of the pattern roller. In this case, the pressing device is disposed adjacent to the pattern roller, expands by pressure provided from the outside and presses a specific area of the pattern roller, and is disposed outside the pressing unit, so that the pressing unit and a guide part for guiding expansion only to the specific region.

Description

Pressing device for the roller and patterning device including the same

The present invention relates to a pressing device and a patterning device including the same, and more particularly, uniform pressing is performed on a roller forming a predetermined pattern on a substrate, and UV curing or heat treatment is performed based on the uniform pressing state. It relates to a pressure device for a roller capable of performing pattern formation through curing more uniformly and a patterning device including the same.

In order to form a predetermined pattern on a substrate through a real-time continuous process, a number of patterning processes using a pattern roller are being applied.

In the case of the patterning process using such a pattern roller, a substrate is provided to the pattern roller on which predetermined patterns are formed along the outer circumferential surface, and the patterns formed on the outer circumferential surface are transferred to the substrate to form a predetermined pattern on the substrate. An imprint process using a pattern roller is representative.

However, in the patterning process using such a pattern roller, the pressing force between the outer circumferential surface of the pattern roller and the substrate must be kept constant, through which a more uniform pattern can be transferred onto the substrate.

Therefore, in order to keep the pressing force between the outer circumferential surface of the pattern roller and the substrate constant, a need for a technique for applying pressure to the pattern roller by separately providing a pressing roller for providing a pressing force to the pattern roller has emerged. there is.

Accordingly, as in Korean Patent Registration No. 10-1790367, a technology for providing a higher pressing force to a substrate by configuring a pressure roller for pressing the substrate to be expandable is disclosed.

However, there is a limit to applying the structure of the pressure roller expandable on the substrate extending in this plane to the rotating pattern roller as it is, and the pressure considering the driving characteristics and structural characteristics of the rotating pattern roller and the substrate on which the pattern is formed thereby An optimal design of the roller is required.

Republic of Korea Patent No. 10-1790367

Accordingly, the technical problem of the present invention has been focused on this point, and an object of the present invention is to provide a pressing device for a roller capable of uniformly pressing a pattern roller for forming a predetermined pattern on a substrate.

Another object of the present invention is to provide a patterning device including the pressing device capable of forming a more uniform pattern through UV curing or thermal curing based on a uniform pressing state through the pressing device.

A pressing device according to an embodiment for realizing the object of the present invention is disposed adjacent to the pattern roller and presses a specific area of the pattern roller. In this case, the pressing device is disposed adjacent to the pattern roller, expands by pressure provided from the outside and presses a specific area of the pattern roller, and is disposed outside the pressing unit, so that the pressing unit and a guide part for guiding expansion only to the specific region.

In one embodiment, the guide unit may include a plurality of guide rollers disposed adjacent to each other.

In one embodiment, the guide rollers are not disposed on a portion of the pattern roller that faces a specific area, so that the pressure unit can expand only toward the specific area.

In one embodiment, each of the guide rollers may rotate as the pressure unit rotates.

In one embodiment, the guide part may be a guide block disposed along an outer circumferential surface of the pressing unit and contacting the outer circumferential surface of the pressing unit when the pressing unit is inflated.

In one embodiment, the guide block is not formed on a portion of the pattern roller that faces a specific region, and the expanded pressure unit can slide and rotate on the guide block.

In one embodiment, the pressure unit may include a pressure roller disposed adjacent to the pattern roller, and a convex portion covered on an outer circumferential surface of the pressure roller and expanded by pressure provided from the outside.

In one embodiment, the swelling portion may include a transparent material having elasticity.

In one embodiment, the pressure unit may be a swelling roller that is disposed adjacent to the pattern roller and self-expands by pressure provided from the outside.

A patterning device according to an embodiment for realizing another object of the present invention described above includes a pattern roller, a substrate unit, and a pressing device. The pattern roller includes a pattern surface on which a pattern is formed. The substrate part contacts the pattern surface of the pattern roller and is transferred according to the rotation of the pattern roller. The pressing device is disposed adjacent to the pattern roller, presses a specific area of the pattern roller, and transfers the pattern of the pattern surface to the substrate. In this case, the press device is disposed adjacent to the pattern roller, and is expanded by pressure provided from the outside to press a specific area of the pattern roller, and a press unit disposed outside the press unit to press a specific area of the pattern roller. and a guide part for guiding the expansion only to the specific area.

In one embodiment, the guide unit is not disposed between the specific region of the pattern roller and the pressing unit, so that the pressing unit can expand only toward the specific region.

In one embodiment, a curing unit disposed inside the pressing unit to provide light or heat toward the specific region may be further included.

In one embodiment, the pressure unit may include a transparent material through which the light or heat passes.

In one embodiment, a curing unit disposed outside the pressing unit to be adjacent to the pressing unit and providing light or heat toward the specific region may be further included.

In one embodiment, a measuring unit for measuring the pressure applied by the pressure device, and a drive unit for controlling the expansion of the pressure device or a gap between the pressure device and the pattern roller based on the measured pressure are further added. can include

According to the embodiments of the present invention, the pressure unit expands, but the pattern roller guides the pattern roller to expand locally only to a specific area where patterning is performed, thereby providing intensive pressure during patterning in the specific area. can do.

In this case, the guide part includes guide rollers that can rotate along with the rotation of the pressurizing unit, and by omitting the arrangement only in the specific area, intensive expansion in a specific area is induced while maintaining a continuous process state through the overall rollers. can do.

Alternatively, by covering the outside of the pressurization unit in the form of a jacket so that only a specific region is exposed, the pressurizing force may be provided more uniformly by maintaining a more uniform expansion of only the specific region.

On the other hand, the pressure unit is formed so that only the convex portion formed on the outer circumferential surface of the pressure roller expands or the entire pressure roller expands, thereby providing flexibility in various designs. In particular, when only the convex portion expands, press Since the roller stably maintains rotation and only pressurization is performed by the convex area, both stable continuous processing and effective pressurization can be implemented.

Furthermore, since the pressing unit is formed transparently and a curing unit for performing curing using heat or light may be provided therein, space efficiency and patterning efficiency in the entire patterning device may be further improved.

1 is a perspective view illustrating a patterning device according to an embodiment of the present invention.
FIG. 2 is a perspective view in which a guide roller is omitted in the pressure device included in the patterning device of FIG. 1 .
FIG. 3A is a schematic diagram showing a state before the swelling part expands in the pressurizing device of FIG. 2, and FIG. 3B is a schematic diagram showing a state in which the swelling part expands in the pressing device of FIG. 2 .
4 is a schematic diagram showing a state in which a swelling roller is inflated in a patterning device according to another embodiment of the present invention.
5 is a schematic diagram showing a state in which a convex area is inflated in a patterning device according to another embodiment of the present invention.
6 is a schematic diagram showing a state in which a convex area is inflated in a patterning device according to another embodiment of the present invention.

Since the present invention can be applied with various changes and can have various forms, embodiments will be described in detail in the text. However, this is not intended to limit the present invention to a specific form disclosed, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals have been used for like elements throughout the description of each figure. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms.

These terms are only used for the purpose of distinguishing one component from another. Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this application, the terms "comprise" or "consisting of" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in more detail.

1 is a perspective view illustrating a patterning device according to an embodiment of the present invention. FIG. 2 is a perspective view in which a guide roller is omitted in the pressure device included in the patterning device of FIG. 1 . FIG. 3A is a schematic diagram showing a state before the swelling part expands in the pressurizing device of FIG. 2, and FIG. 3B is a schematic diagram showing a state in which the swelling part expands in the pressing device of FIG. 2 .

1 to 3B, the patterning device 10 according to the present embodiment includes a pattern roller 100, a first rotation roll 110, a second rotation roll 120, a substrate unit 150, a press It includes an apparatus 200 and a curing unit 300.

The pattern roller 100 is a roller that has a cylindrical shape and extends in one direction, and although not shown, rotates about a central axis by a rotational driving force provided from the outside.

In the case of the pattern roller 100, the outer circumferential surface is the pattern surface 101, and a predetermined pattern may be directly formed on the pattern surface 101. Alternatively, the pattern surface 101 may be additionally formed as a separate layer on the outer circumferential surface of the pattern roller 100, but this is not limited.

In this way, the pattern formed on the pattern surface 101 of the pattern roller 100 is transferred to the substrate portion 150, for example, the pattern surface 101 and the substrate portion 150 It may be transferred to the substrate portion 150 through a process such as imprinting by pressing between the layers.

That is, the substrate part 150 contacts the pattern surface 101 of the pattern roller 100 and is wound around a part of the pattern roller 100 and transferred. In this case, a predetermined pattern layer 152 is formed on a surface of the substrate 150 facing and contacting the pattern surface 101 by a process such as imprinting by pressing.

In this case, the substrate part 150 may be a flexible or stretchable substrate to be transferred along the pattern roller 100, and according to the transfer of the flexible or stretchable substrate, the substrate part 150 continuously A pattern layer 152 may be formed.

On the other hand, in order for the substrate part 150 to be wound along the pattern roller 100 and continuously transported, the first rotation roll 110 and the second rotation roll are provided at the front and rear ends of the pattern roller 100. 120 may be disposed respectively.

That is, the substrate portion 150 may be provided in close contact with the pattern roller 100 by the first rotation roll 110, and the pattern layer 152 may be formed by the second rotation roll 120. The formed substrate portion 150 is provided to the outside from the pattern roller 100 .

In this case, if the pattern roller 100 rotates counterclockwise as shown, both the first rotation roll 110 and the second rotation roll 120 must rotate clockwise.

The pressing device 200 presses the substrate part 150 on the pattern surface 101 of the pattern roller 100 so that the pattern formed on the pattern surface 101 is on the substrate part 150. It makes the transfer more effective and uniform.

That is, in order for the pattern of the pattern roller 100 to be transferred onto the substrate 150 like an imprint, a predetermined pressing force must be applied in the transfer area between the pattern roller 100 and the substrate 150. do.

Accordingly, in the present embodiment, the pressing device 200 is disposed adjacent to the pattern roller 100 and presses the substrate portion 150 with the pattern roller 100, thereby applying a pressing force for the transfer. will do

However, if the pressing device 200 always maintains a state in which the substrate portion 150 is pressed onto the pattern roller 100, there is a problem in that unnecessary pressing force is applied even in a situation where transfer is not required, and for a long time When a pressing force is applied, realignment between the pressing device 200 and the pattern roller 100 may be required, and overall process efficiency may be reduced.

Accordingly, in the present embodiment, the pressing device 200 selectively presses between the substrate portion 150 and the pattern roller 100 at a local location only when pressing is required, thereby further improving overall process efficiency. can

Specifically, the pressing device 200 includes a pressing unit 210, a guide part 220, a fixed plate 230, a pull-out unit 240, a measuring part 250, and a driving part 260.

The press unit 210 presses the substrate part 150 in a direction toward the pattern roller 100, and includes a press roller 211 and a swelling part 215.

The pressure roller 211 is disposed adjacent to the pattern roller 100, and the substrate part 150 is positioned and moved between the pressure roller 211 and the pattern roller 100.

In this case, as shown in FIG. 3A, an opening 205 is formed between the substrate part 150 and the pressure roller 211, and the specific pattern roller 100 in which the opening 205 is formed The region corresponds to a region where pressure is applied between the substrate portion 150 and the pattern roller 100, which will be described later.

That is, in the region where the opening 205 is formed, the substrate 150 is pressed toward the pattern roller 100 by the pressing unit 210 .

In the case of the pressure roller 211, it is a relatively rigid structure that does not expand or contract and maintains its shape as a whole, and has a smaller diameter than the pattern roller 100, but the overall length of the pattern roller 100. It must be formed with a length equal to or greater than

In addition, the pressure roller 211 has a cylindrical shape, and although not shown, it can rotate about a central axis by a rotational driving force provided from the outside.

The convex part 215 is covered on the outer circumferential surface of the pressure roller 211, and the thickness of the convex part 215 may be formed in various ways, but the thickness of the convex part 215 is the pressure roller 211 It is preferable to be formed smaller than the radius of .

The swelling portion 215 may be expanded by pressure provided from the outside through the take-out unit 240, for example, pneumatic pressure or hydraulic pressure, and if the provided pressure is drawn out again, the swelling portion expands. (215) can contract again.

That is, the convex part 215 is expanded by the pressure, and contracts again when the pressure is removed. FIG. 3A shows a state in which the convex part 215 is contracted, and FIG. (215) shows an expanded state.

In this case, the pull-out unit 240 may be formed on the side of the pressure roller 211, and although not shown in detail, the pull-out unit 240 is connected to the inside of the convex part 215 to be open. Thus, pressure such as pneumatic or hydraulic pressure provided from the outside may be provided to the inside of the convex area 215 .

In the case of the swelling portion 215, in order to expand according to the application of pressure, it may include an elastic material, for example, it may be PDMS (polydimethylsiloxane).

On the other hand, the convex portion 215 rotates together with the pressure roller 211, and as shown in FIG. 3B, when the pattern roller 100 rotates counterclockwise, the convex portion 215 And the pressure roller 211 can rotate clockwise.

The guide part 220 is provided outside the convex part 215 and guides an area where the convex part 215 expands.

Specifically, as shown, the guide part 220 may be a plurality of guide rollers 220 disposed adjacent to each other.

In this case, as shown in FIG. 1 , the guide rollers 220 each have a cylindrical shape and may extend substantially the same length as the length of the pressure roller 211, and the guide rollers 220 Each radius is relatively smaller than the radius of the pressure roller 211 .

In addition, both ends of each of the guide rollers 220 may be fixed by a pair of fixing plates 230 positioned at both ends of the pressure roller 211 .

Thus, as shown, a plurality of guide rollers 220 are arranged to be adjacent to each other along the outer circumferential surfaces of the pressure roller 211 and the convex portion 215 .

In this case, the guide rollers 220 arranged adjacent to each other are arranged such that a space between them is minimized, and each guide roller 220 should be independently rotatable. That is, it is sufficient if the space between the guide rollers 220 is formed to a minimum so as not to interfere with the independent rotation of each of the guide rollers 220 .

In particular, in this embodiment, the convex portion 215 is expanded by pressure provided from the outside, so that the expanded convex portion 215 does not expand into the space between the guide rollers 220, the guide The space between the rollers 220 should be kept to a minimum.

Meanwhile, the guide rollers 220 are not disposed on the opening 205, which is a space facing the substrate portion 150. Thus, in the opening 205 , the convex portion 215 is disposed directly facing the substrate portion 150 and the pattern roller 100 .

As described above, as the guide rollers 220 are disposed outside the convex portion 215 at all locations except for the opening 205, the convex portion 215 is formed by pressure provided from the outside. , can be expanded only toward the opening 205.

That is, as shown in FIG. 3B, when the convex portion 215 expands, the degree of expansion is limited by the guide rollers 220 in directions other than the opening 205, and thus the opening 215 expands. It is inflated so as to protrude only toward (205). Thus, the convex portion 215 protruded by the expansion contacts the outer surface 151 of the substrate portion 150 and presses the substrate portion 150 .

In this way, since the convex portion 215 protrudes and expands only toward the opening 205, the substrate portion 150 located in the opening 205 can be pressed toward the pattern roller 100, , Eventually, the opening 205 forms the pressing portion 217.

That is, in the pressing part 217, as the pressing force according to the expansion of the convex part 215 is provided to the substrate part 150, the substrate part 150 is the pattern surface of the pattern roller 100 ( 101) with a higher pressure, and accordingly, the pattern formed on the pattern surface 101 is transferred to the substrate portion 150.

Furthermore, as described above, as the pattern roller 100 rotates counterclockwise, the pressure roller 211 and the swelling portion 215 rotate clockwise. Even when rotating in the clockwise direction, only the portion of the convex portion 215 located in the opening 205 presses the substrate portion 150, and the expansion of the convex portion 215 in the other area causes the guide It is bounded by rollers 220 .

In addition, since the guide rollers 220 can also rotate independently of each other, when the convex part 215 rotates clockwise while in contact with the guide rollers 220, the guide rollers 220 ) can rotate counterclockwise, as shown by arrows.

As described above, since the pressure unit 210 and the guide rollers 220 rotate in conjunction with the rotation of the pattern roller 100 as a whole, patterning can be performed without disturbing the overall continuous process, and pressure is required. Since the convex area 215 expands only in a specific area, the patterning process can be performed locally and effectively by pressing only in the specific area.

Meanwhile, the measuring unit 250 is provided outside the fixing plate 230 and can measure the pressing force when pressing the substrate 150 through the pressing unit 210 .

That is, the measuring unit 250 may be, for example, a load cell, and may measure the pressing force to determine whether or not the pressing force is maintained within a predetermined range.

Also, similar to the measuring unit 250, the driving unit 260 may be provided outside the fixed plate 230, and may control overall driving of the pressing unit 210.

That is, by controlling the opening and closing of the draw-in/out unit 240, pressure may be provided from the outside to the inside of the convex area 215, or the pressure inside the convex area 215 may be discharged to the outside.

In addition, based on the pressing force measured by the measurement unit 250, driving for increasing or decreasing the pressing force may be implemented.

That is, if the pressing force is additionally required, the supplied pressure may be further increased by increasing the degree of opening of the withdrawal/intake unit 240 to induce greater expansion of the convex area 215 .

In addition, if the pressing force is additionally required, the pressing force may be increased by moving the pressing unit 210 in a direction toward the pattern roller 100 as a whole.

Alternatively, if it is necessary to reduce the pressurizing force, the supplied pressure may be further reduced by reducing the degree of opening of the take-out unit 240 to reduce the expansion of the convex area 215, and the pressurizing unit By moving 210 as a whole in the opposite direction of the pattern roller 100, the pressing force may be reduced.

The curing unit 300 is provided inside the pressure roller 211 and provides light 301 or heat toward the opening 205 .

As the curing unit 300 provides light or heat toward the opening 205, it is located in the opening 205, that is, on the pressing part 217 pressed by the swelling part 215 While the pattern of the pattern roller 100 is transferred to the substrate 150, photocuring or thermal curing may be performed.

In this case, the provided light may be ultraviolet (UV) light.

Thus, the pattern transferred to the substrate portion 150 can be more stably formed on the substrate portion 150 as the pattern layer 152 through the curing.

In this case, since light or heat generated from the curing unit 300 should be provided to the substrate part 150, the convex part 215 should be formed of a transparent material.

Furthermore, as shown, if the curing unit 300 is not located on the outer circumferential surface of the pressure roller 211 but is located inside the pressure roller 211, the light or heat can be effectively transmitted. The pressure roller 211 should also be formed transparently.

Meanwhile, although the pressure roller 211 and the convex portion 215 are rotated, the curing unit 300 must constantly provide light or heat toward the pressing portion 217, so that the curing unit 300 position must be fixed.

4 is a schematic diagram showing a state in which a swelling roller is inflated in a patterning device according to another embodiment of the present invention.

The patterning device 11 according to the present embodiment is substantially the same as the patterning device 10 described with reference to FIGS. 1 to 3B, except that the pressure unit 201 is composed of only the swelling roller 212. Since they are the same, the same reference numerals are used for the same elements, and overlapping descriptions are omitted.

That is, referring to FIG. 4 , in the patterning device 11 in this embodiment, the pressure unit 201 is composed of a single swelling roller 212 without separately providing a pressure roller and a swelling portion, respectively. .

That is, the pressure unit 201 is composed of one swelling roller 212, and the swelling roller 212 expands itself when pressure is supplied from the outside through the withdrawal unit 240, and the pressure to the outside When removed, it contracts on its own.

In this case, as shown, even when the swelling roller 212 expands according to the provision of pressure, it only expands to protrude only toward the pressing part 217, and other parts expand more than a certain amount. It is limited by the guide rollers 220 .

Thus, the substrate part 150 is pressed toward the pattern roller 100 by the swelling roller 212 that protrudes and expands only in the pressing part.

Furthermore, as in the previous embodiment, the curing unit 300 may be provided inside the swelling roller 212, and the light 301 is directed toward the pressing part 217 by the curing unit 300 Alternatively, heat may be provided.

Accordingly, the swelling roller 212 may include an elastic material capable of expansion or contraction and may be formed of a transparent material.

5 is a schematic diagram showing a state in which a convex area is inflated in a patterning device according to another embodiment of the present invention.

The patterning device 12 according to the present embodiment is substantially the same as the patterning device 10 described with reference to FIGS. 1 to 3B except that the guide portion is formed of the guide block 270, The same reference numerals are used for components, and overlapping descriptions are omitted.

That is, referring to FIG. 5 , in the patterning device 12 according to the present embodiment, a guide unit for guiding the expansion of the convex area 215 may be formed as one guide block 270 .

That is, the guide block 270 is integrally formed to surround the outside of the convex portion 215 . In this case, the guide block 270 is also not formed on the pressing part 217, and the opening 205 is formed between the convex part 215 and the substrate part 150 as described above.

In addition, although the guide block 270 is positioned in a fixed state, the convex part 215 may be configured to rotate inside.

That is, the convex part 215 can rotate inside the guide block 270 in the direction of the arrow as shown, and the convex part 215 and the guide block 270 are mutually connected to each other to enable this rotation. can be contacted.

Accordingly, although not shown, a predetermined sliding guide may be formed along the inner circumferential surface of the guide block 270, and accordingly, the convex part 215 is formed on the inner circumferential surface of the guide block 270 along the sliding guide. It can rotate while touching.

As described above, as the outer circumferential surface of the convex portion 215 is covered by the guide block 270, the convex portion 215 is more formed by the guide block 270 in an area excluding the opening 205. Its expansion can be rigidly limited.

6 is a schematic diagram showing a state in which a convex area is inflated in a patterning device according to another embodiment of the present invention.

Since the patterning device 13 according to this embodiment is substantially the same as the patterning device 10 described with reference to FIGS. 1 to 3B except for the position where the curing unit 310 is disposed, the same configuration The same reference numbers are used for elements, and overlapping descriptions are omitted.

That is, referring to FIG. 6 , in the patterning device 13 according to the present embodiment, the curing unit 310 is not located inside the pressure roller 211 and is located outside the pressure device 200. will be located separately.

Therefore, unlike the patterning device 10 described with reference to FIG. 1 , neither the pressure roller 211 nor the convex portion 215 need to be formed of a transparent material.

In the present embodiment, the substrate portion 150 is pressed by the pressing portion 217 according to the expansion of the convex portion 215, so that the pattern of the pattern roller 100 is primarily applied to the substrate portion 150. is transcribed into

Then, when the substrate part 150 is further transferred on the pattern roller 100, light 311 or heat for the pattern transferred to the substrate part 150 by the curing unit 310 is provided. The pattern transferred to the substrate 150 by the light or heat provided in this way can be cured and finally formed into the pattern layer 152 .

As described above, in the patterning device 10 described with reference to FIGS. 1 to 3B, the transfer and curing process are simultaneously performed in the pressing unit 217, but the patterning device according to the present embodiment ( In 13), a transfer process to the substrate is first performed, and then a curing process by light or heat is performed.

In this way, as the curing unit 310 is provided separately outside the pressing unit 210, space utilization may be reduced, but the pressing unit 210 can be made of an opaque material, making it easy to manufacture with various materials. possible. In addition, the pressure unit can be designed and manufactured with a simpler structure by improving the complicated design structure due to the need to have a hardening unit fixed inside the rotating pressure roller 211.

According to the embodiments of the present invention as described above, the pressure unit expands, but by inducing the pressure unit to expand locally only in a specific area where patterning is performed on the pattern roller by the guide unit, the pressing force during patterning in the specific area is reduced. concentration can be provided.

In this case, the guide part includes guide rollers that can rotate along with the rotation of the pressurizing unit, and by omitting the arrangement only in the specific area, intensive expansion in a specific area is induced while maintaining a continuous process state through the overall rollers. can do.

Alternatively, by covering the outside of the pressurization unit in the form of a jacket so that only a specific region is exposed, the pressurizing force may be provided more uniformly by maintaining a more uniform expansion of only the specific region.

On the other hand, the pressure unit is formed so that only the convex portion formed on the outer circumferential surface of the pressure roller expands or the entire pressure roller expands, thereby providing flexibility in various designs. In particular, when only the convex portion expands, press Since the roller stably maintains rotation and only pressurization is performed by the convex area, both stable continuous processing and effective pressurization can be realized.

Furthermore, since the pressing unit is formed transparently and a curing unit for performing curing using heat or light may be provided therein, space efficiency and patterning efficiency in the entire patterning device may be further improved.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the claims below. You will understand that you can.

10, 11, 12, 13: patterning device 100: pattern roller
101: pattern surface 150: substrate portion
151: outer surface 152: pattern layer
200, 201, 202: pressurization device 205: opening
210: pressure unit 211: pressure roller
212: swelling roller 215: swelling part
217: pressing unit 220: guide roller
230: fixed plate 270: guide block
300, 310: curing unit

Claims (15)

In the pressing device disposed adjacent to the pattern roller and pressurizing the pattern roller,
a pressurizing unit which rotates with the rotation of the pattern roller so that the substrate unit moves between the pattern rollers and presses the substrate unit which is expanded by external pressure and moves between the pattern rollers; and
A guide portion including a plurality of guide rollers disposed along an outer circumferential surface of the pressing unit excluding an opening between the substrate portion and the pressing unit to guide the pressing unit to expand only to the opening,
The radius of the guide rollers is formed smaller than the radius of the pressure unit,
Each of the guide rollers rotates in a direction opposite to the rotational direction of the pressing unit,
The space between the guide rollers adjacent to each other is formed to a minimum so that the pressure unit does not expand between the guide rollers and does not interfere with each of the guide rollers independently rotating. delete delete delete delete delete The method of claim 1, wherein the pressurization unit,
a pressure roller disposed adjacent to the pattern roller; and
and a convex portion covered on an outer circumferential surface of the pressure roller and expanded by pressure supplied from the outside. The method of claim 7, wherein the swelling part,
A pressure device comprising a transparent material having elasticity. The method of claim 1, wherein the pressurization unit,
A pressure device, characterized in that a swelling roller disposed adjacent to the pattern roller and self-expanding by pressure provided from the outside. a pattern roller including a pattern surface on which a pattern is formed;
a substrate unit that contacts the pattern surface of the pattern roller and is transported according to the rotation of the pattern roller; and
a pressing device disposed adjacent to the pattern roller and pressing the pattern roller to transfer the pattern on the pattern surface to the substrate;
The pressure device is
a pressurizing unit which rotates with the rotation of the pattern roller so that the substrate unit moves between the pattern rollers and presses the substrate unit which is expanded by external pressure and moves between the pattern rollers; and
A guide portion including a plurality of guide rollers disposed along an outer circumferential surface of the pressing unit excluding an opening between the substrate portion and the pressing unit to guide the pressing unit to expand only to the opening,
The radius of the guide rollers is formed smaller than the radius of the pressure unit,
Each of the guide rollers rotates in a direction opposite to the rotational direction of the pressing unit,
A space between guide rollers adjacent to each other is formed to a minimum so that the pressure unit does not expand between the guide rollers and does not interfere with each of the guide rollers independently rotating. delete According to claim 10,
The patterning device further comprises a curing unit disposed inside the pressing unit to provide light or heat toward the opening. The method of claim 12, wherein the pressurization unit,
A patterning device comprising a transparent material through which the light or heat passes. According to claim 10,
The patterning device further comprises a curing unit disposed outside the pressing unit to be adjacent to the pressing unit and providing light or heat toward the opening. The method of any one of claims 10 and 12 to 14,
a measuring unit for measuring the pressure applied by the pressure device; and
The patterning device further comprises a driving unit for controlling expansion of the pressure device or a gap between the pressure device and the pattern roller based on the measured pressure.

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