TWI679091B - Cutting tool die, cutting apparatus using the same and cutting method using the same - Google Patents

Abstract

A cutting die, cutting equipment and a cutting method using the same. The cutting die is used to cut out the optical film. The cutting die includes a carrier and an open knife. The open-type cutter extends into an open-type opening, and the open-type opening cuts out one side of the optical film correspondingly.

Description

Cutting die, cutting equipment and cutting method using same

The present invention relates to a cutting blade die, a cutting device and a cutting method using the same, and particularly to a cutting blade die equipped with multiple knives, a cutting device and a cutting method using the cutting blade.

In the traditional cutting method, each time the optical roll film is cut out of the optical film, the edges or the space scrap are cut out together. The more times of cutting, the more the amount of waste, resulting in waste of material for optical roll film. Therefore, there is an urgent need to propose a new cutting method that can reduce waste.

Therefore, the present invention proposes a cutting die, a cutting device and a cutting method using the cutting die, which can improve the conventional problems.

An embodiment of the invention provides a cutting blade die. The cutter blade is used for cutting out an optical film. The cutting die includes a carrier and an open cutter. The open cutter has an open opening corresponding to at least one side of the optical film cut out.

Another embodiment of the present invention provides a cutting die. The cutter blade is used for cutting out an optical film. The cutting die includes a carrier, a first cutter and a second cutter. The first cutter is assembled in the carrier and extends along a first direction. The second cutter is assembled in the carrier and extends along a second direction, wherein the first direction is substantially perpendicular to the second direction, and the first cutter is connected to the second cutter and surrounds an opening. This opening corresponds to one side of the optical film cut out.

Another embodiment of the present invention provides a cutting device. The cutting equipment includes a feeding mechanism, a conveying mechanism, the cutting die as described above, and a controller. The controller is used to operate: controlling the discharging mechanism to release or fix the optical roll film; controlling the conveying mechanism to transfer the optical roll film; and controlling the cutting blade die to cut the optical roll film.

Another embodiment of the present invention provides a cutting method. The cutting method includes the following steps. A conveying mechanism conveys an optical roll film in a conveying direction until the optical roll film is located below the open cutter of the cutting knife mold as described above; and the cutting knife mold cuts the optical roll film, wherein The open cutter of the die mold cuts out an optical film, wherein the optical film has a cutting registration edge, and the cutting registration edge is substantially consistent with the opening position of the open cutting tool.

Another embodiment of the present invention provides a cutting method. The cutting method includes the following steps. A conveying mechanism conveys an optical roll film in a conveying direction until the optical roll film is located below the first cutter of the cutting knife mold as described above; the cutting knife mold cuts the optical roll film for the first time, wherein The first cutter of the cutter mold cuts a cutting edge of the optical roll film; the conveying mechanism drives the optical roll film to continue to advance in the conveying direction until the optical roll film is located below the first cutter and the second cutter; and, The cutting blade mold cuts the optical roll film for a second time, wherein the first cutter and the second cutter of the cutting blade mold cut out the optical roll film, and the optical film has an opposite first edge. It is the same edge as a second edge, the first edge and the trimming opposite edge.

Another embodiment of the present invention provides a cutting method. The cutting method includes the following steps. An optical roll film is provided, wherein the optical roll film has a flat edge; an open cutter cuts the optical roll film to form an optical film, wherein the opening of the open cutter is aligned with the flat edge of the optical roll film .

Another embodiment of the present invention provides a cutting die. The cutting die is used to cut out an optical film, wherein the optical film is provided with a plurality of optical film patches, and a second gap is provided between two adjacent optical film patches. The cutting die includes a carrier, a first cutter, a second cutter, and an edge cutter. The first cutter is assembled in the carrier and extends along a first direction. The second cutter is assembled in the carrier and extends along a second direction, wherein the first direction is substantially perpendicular to the second direction, and the first cutter is connected to the second cutter and surrounds an opening. This opening corresponds to one side of the optical film cut out. The edge cutter and the first cutter are arranged along the second direction, and the first cutter and the edge cutter have a first gap. The first gap is larger than the second gap.

Another embodiment of the present invention provides a cutting method. The cutting method includes the following steps. A conveying mechanism conveys an optical roll film in a conveying direction until the optical roll film and one of the optical film patches are located below the edge cutter of the aforementioned cutting die; the cutting die performs the optical roll film for the first time Cutting, in which the cutting edge cutter of the cutting die cuts out a cutting registration edge of the optical roll film and a cutting registration edge of one of the optical film patches; the conveying mechanism drives the optical roll film to continue to the conveying direction Advance until the second gap is below the first gap; and, the cutting blade mold cuts the optical roll film a second time, wherein the first cutter and the second blade of the cutting blade cut the optical roll film and the middle An optical film patch cuts out an optical film, and the optical film is completely separated from the second gap. The optical film has a first side and a second side opposite to each other, and the first side is the same as the cut-off side. One side. In the second step of cutting the optical roll film by the cutting blade die, the edge cutter cuts the optical roll film into a new cutting registration edge.

In order to have a better understanding of the above and other aspects of the present invention, the following specific examples are described in detail below in conjunction with the accompanying drawings:

FIGS. 1A to 6B are diagrams illustrating a cutting process of the optical roll film 10 by the cutting device 100 according to an embodiment of the present invention.

As shown in FIGS. 1A and 1B, FIG. 1A shows a schematic diagram of a cutting device 100 according to an embodiment of the present invention, and FIG. 1B shows a top view of the cutting die 140 of FIG. 1A. The cutting device 100 includes a discharging mechanism 110, a conveying mechanism 120, a controller 130, and a cutting blade die 140.

The discharging mechanism 110 includes a reel 111. An optical roll film 10 can be wound on a roll 111. The feeding mechanism 110 may further include a first nip roll 112 configured in two pairs. The first nip roll 112 is adjacent to the winding wheel 111, and the first nip roll 112 can fix or release the optical roll film 10, thereby controlling Advance length of the optical roll film 10. In another embodiment, the optical roll film 10 can also be sent out from below the roll wheel 111 (as shown by the dotted line in FIG. 1A).

In an embodiment, as shown in an enlarged view of part A ′ in FIG. 1A (showing a cross-section of the optical roll film 10), the optical roll film 10 includes a release film 10 a, a polarizing film 10 b, and a surface protection film 10 c. The polarizing film 10b is located between the release film 10a and the surface protective film 10c. The polarizing film 10b may be formed of a polyvinyl alcohol (Polyvinyl Alcohol, PVA) film. The material of the polyvinyl alcohol-based film may be, for example, polyvinyl alcohol or a derivative thereof. Derivatives of polyvinyl alcohol may include, in addition to polyvinyl formaldehyde, polyvinyl acetal, and the like, olefins such as ethylene and propylene, unsaturated carboxylic acids such as acrylic acid, methacrylic acid, and butenoic acid or their alkyl esters , Acrylamide and other implementation of the modification.

In one embodiment, a protective layer (not shown) may be provided on at least one side of the polarizing film 10b. The protective layer may have a single-layer or multi-layer structure. The material of the protective layer may include cellulose resin, acrylic resin, polyester resin, olefin resin, polycarbonate resin, cycloolefin resin, oriented stretch polypropylene, polyethylene, polypropylene, cycloolefin polymer, and cycloolefin copolymer. Polymer or any combination thereof.

The surface protective film 10c and the release film 10a may have a single-layer or multi-layer structure, and the materials may include cellulose resin, acrylic resin, polyester resin, olefin resin, polycarbonate resin, cycloolefin resin, and directional stretchability. Polypropylene, polyethylene, polypropylene, cycloolefin polymer, cycloolefin copolymer, or any combination thereof.

The conveying mechanism 120 can continue to operate, so that when the discharge mechanism 110 releases the optical roll film 10, the optical roll film 10 located above the conveyance mechanism 120 is driven by the conveyance mechanism 120 to the conveying direction S1 until the discharge mechanism 110 is fixed. Optical roll film 10. The conveying mechanism 120 is, for example, a belt conveying mechanism, but the embodiment of the present invention is not limited thereto. In one embodiment, the speed at which the conveying mechanism 120 conveys the subsequently cut out optical film 11 may be different from the speed at which the feeding mechanism 110 conveys the optical roll film 10.

The cutter blade 140 is located above the optical roll film 10 and can cut the optical roll film 10 downward. The cutting die 140 includes a punch 141, a bearing member 142, and an open-type knife 140a. The supporting member 142 is assembled on the punch 141 to move up and down with the punch 141. In addition, the material of the carrier 142 is, for example, wood, plastic, metal, or other suitable materials.

As shown in FIGS. 1A and 1B, the open cutter 140 a can be assembled on the carrier 142. The open tool 140a includes a first tool 143 and two second tools 144. The supporting member 142 has a first sipe 142r1 and two second sipes 142r2. The first cutter 143 is assembled in the first sipe 142r1 of the carrier 142 and extends along the first direction S2. Each second cutter 144 is fitted in the corresponding second cutter groove 142r2 and extends in the second direction S3. The two second cutters 144 are arranged along a first direction S2, wherein the first direction S2 is substantially perpendicular to the second direction S3. In this embodiment, the second direction S3 and the conveying direction S1 may be substantially the same direction.

The open-type cutter 140a has at least one open-type opening, and the open-type opening 140b corresponds to or is aligned with a side (such as a side edge) of the optical film that is subsequently cut out. For example, the first cutter 143 and the two second cutters 144 extend into a zigzag shape, and the opening of the zigzag shape corresponds to or is aligned with a side (such as a side edge) of the subsequent cut out optical film. In one embodiment, the ends of the first cutter 143 and the second cutter 144 are connected. That is, the tool connected to the first tool 143 is connected to the first tool 143 at its end, and does not cross the first tool 143.

As shown in FIG. 1A, a part of the first cutter 143 may be fixed (eg, tightly fitted) in the first sipe 142r1, and another part protrudes from the first sipe 142r1. In one embodiment, the protruding length L1 of the first cutter 143 from the carrier 142 is between about 6 mm and about 10 mm. The relationship between the second tool 144 and the second groove 142r2 is similar to the relationship between the first tool 143 and the first groove 142r1, and details are not described herein again.

As shown in FIGS. 1A and 1B, the feeding mechanism 110 releases the optical roll film 10, so that the conveying mechanism 120 can drive the optical roll film 10 positioned thereon to the conveying direction S1 until the optical roll film 10 is located on the cutting blade die 140 Below the first cutter 143, the feeding mechanism 110 fixes the optical roll film 10. As shown in FIG. 1B, the length L2 of the first cutter 143 in the first direction S2 is greater than the width L3 of the optical roll film 10 in the first direction S2. Thus, when the cutter blade 140 cuts the optical roll film 10, the first The cutter 143 can completely cut the optical roll film 10 in the first direction S2.

In one embodiment, the cutting die 140 sequentially cuts the release film 10a, the polarizing film 10b, and the surface protective film 10c of the optical roll film 10; that is, in this embodiment, the release film 10a, the polarizing film Of the three of 10b and the surface protection film 10c, the release film 10a is closest to the cutting die 140, so the cutting die 140 is first cut to the release film 10a. In another embodiment, the cutting die 140 may also sequentially cut the surface protective film 10c, the polarizing film 10b, and the release film 10a of the optical roll film 10.

Next, as shown in FIGS. 2A and 2B, the cutting die 140 moves to the cutting direction S4 to perform the first cutting of the optical roll film 10, wherein the first knife 143 of the cutting die 140 cuts off the optical The film 10 is rolled, and a trimming registration edge 10e1 of the optical film 10 is cut out. This trimming edge 10e1 is also the first side 11e1 (the first side 11e1 is shown in FIG. 4B) of the optical film 11 (the optical film 11 is shown in FIG. 4B) after subsequent cutting, that is, The cropped counter-edge 10e1 is the same edge as the first edge 11e1. In addition, as shown in FIG. 2B, after the first cutting, a finished product waste 10 'is produced. In this embodiment, by the cutting of the cutting die 140 of the present invention, two sapwood wastes 10 '' will also be generated at the same time. In another embodiment, the first cutting (that is, the steps in FIGS. 1A to 2B) can be omitted, so that the generation of waste materials 10 'and 10' 'can be avoided.

Next, as shown in FIGS. 3A and 3B, after the cutting die 140 moves upward to detach from the optical roll film 10, the feeding mechanism 110 releases the optical roll film 10, so that the conveyance mechanism 120 drives the optical roll film 10 to continue conveying The direction S1 is advanced until the optical roll film 10 is located below the first cutter 143 and the second cutter 144, and the unwinding mechanism 110 fixes the optical roll film 10.

Next, as shown in FIGS. 4A and 4B, the cutting die 140 moves to the cutting direction S4, and the optical roll film 10 is cut a second time to form an optical film 11, wherein the optical film 11 has a relative The first side 11e1 and the second side 11e2, the first side 11e1 is the cutting opposite edge formed during the previous cutting (that is, the cutting opposite edge 10e1 in Figure 2B), and the second edge 11e2 is in this time Formed during cutting. In this step, the first cutter 143 of the cutting die 140 not only cuts the second edge 11e2 of the optical film 11, but also cuts a new cutting registration edge 10e1 of the optical roll film 10. This new The cutting alignment edge 10e1 is a side of the optical film 12 (the optical film 12 is shown in FIG. 6B) cut out next time. In other words, the cutting registration edge 10e1 of the optical roll film 10 cut out this time is the same side as the side of the optical film sheet cut out next time.

In addition, as shown in FIG. 4B, the length L4 of each of the second cutters 144 along the second direction S3 can determine the side length of the optical film 11 after cutting. For example, when the length L4 of the second cutter 144 is longer, the optical film 11 having a longer side length can be cut out. As shown in FIG. 4B, the cut-out optical film 11 has a third side 11e3 and a fourth side 11e4 opposite to each other. The length L5 of the third side 11e3 and the fourth side 11e4 is approximately the same as the length L4 of the second cutter 144. However, in another embodiment, the length L5 of the third side 11e3 and the fourth side 11e4 cut out is determined by the distance between the cutting registration edge 10e1 in FIG. 3B and the end of the second cutter 144. It may be shorter than the length L4 of the second cutter 144. In other words, the length L4 of the second cutter 144 in the second direction S3 is greater than or substantially equal to the length of the side of the optical film 11 after cutting in the second direction S3.

Next, as shown in Figs. 5A and 5B, after the cutting die 140 moves upward to detach from the optical roll film 10, the feeding mechanism 110 releases the optical roll film 10, so that the conveyance mechanism 120 drives the optical roll film 10 to continue conveying The direction S1 is advanced until the optical roll film 10 is located below the first cutter 143 and the second cutter 144, and the feeding mechanism 110 fixes the optical roll film 10.

Next, as shown in FIGS. 6A and 6B, the cutting blade die 140 moves to the cutting direction S4, and the optical roll film 10 is cut a third time to form the optical film 12. The optical film 12 has a first side 12e1 and a second side 12e2 opposite to each other. The first side 12e1 is a cutting edge formed during the previous cutting (that is, the cutting edge 10e1 in FIG. 4B). The two sides 12e2 are formed in this cutting. In this step, the first cutter 143 of the cutting die 140 cuts the second edge 12e2 of the optical film 12 and the new cutting registration edge 10e1 of the optical roll film 10, among which the new cutting registration edge 10e1 is the same side as the side of the optical film cut next time.

As can be seen from Figs. 4B and 6B, in the secondary cutting process, the opposite edge of the optical film cut from the previous cut is the side of the optical film cut from the next cut, so the optical film can be reduced. scrap. In addition, as can be seen from FIGS. 2B, 4B, and 6B, the cutting method according to the embodiment of the present invention can reduce the waste between multiple optical films in addition to the large amount of waste 10 'cut in the first cut, and subsequent cuts. Amount, or even no waste at all between multiple optical films. Compared with the conventional cutting method, the more cutting times of the cutting method of the embodiment of the present invention, the less waste material is generated between the optical films, or even no waste material is generated at all. In another embodiment, before the first cutting, if the initial edge 10e '(shown in FIG. 1B) of the optical roll film 10 meets the geometric requirements of the subsequent optical film after cutting, the first The cutting steps of 1A ~ 2B, and the cutting steps of 3A ~ 6B are directly executed.

In another embodiment, after the step in FIG. 6B, the same or similar method (such as the steps in FIGS. 5A to 6B) can be used to cut the optical roll film 10 more times to obtain a larger number. Optical film, while reducing waste output to reduce waste and protect the environment.

FIG. 7 shows a top view of a cutting die 140 'according to another embodiment of the present invention. The cutting die 140 'includes a punch 141 (not shown), a bearing member 142, and an open knife 140a'. The open cutter 140a 'has a structure similar to the aforementioned open cutter 140a, except that the length L2 of the first cutter 143 of the open cutter 140a' in the first direction S2 is smaller than the width L3 of the optical roll film 10 in the first direction S2. , So the sapwood waste is not completely cut off 10 ”. In several cuttings, the sapwood waste 10 '' cut by the second cutter 144 can maintain a continuous strip, so that the sapwood waste 10 '' can be conveniently collected. As shown in the figure, the cutting device 100 further includes a second receiving wheel 150, which is used to wind and collect the two sapwood wastes 10 '' to facilitate subsequent scrapping or reuse. Similar to the cutting method of the previous embodiment, except that the first cutting waste 10 'is larger, the subsequent cutting can reduce the amount of waste between multiple optical films, or Even scraps between multiple optical films are not generated at all.

The cutting method of the above embodiment is described by taking one piece of optical film cut at a time as an example. However, open blades of different designs can cut several pieces of optical film at a time.

FIG. 8 is a top view of a cutting die 240 according to another embodiment of the present invention. The cutting die 240 includes a punch 141 (not shown), a bearing member 142 and an open knife 240a. The open cutter 240a includes a first cutter 143, two second cutters 244, and a third cutter 245. The third cutter 245 and the first cutter 143 are arranged along the second direction S3, and the second cutters 244 are along the second direction S3. It extends and is arranged along the first direction S2. As shown in the figure, the open cutter 240a surrounds an opening 240b, and this opening 240b corresponds to or is aligned with a side of the optical film 11 cut out.

Each second tool 244 may include a plurality of tools. For example, each of the second tools 244 includes a plurality of first and second sub-tools 2441 and 2442 arranged in a line along the second direction S3. The first sub-tool 2441 extends between the first and third tools 143 and 245. The second sub-tool 2442 extends from the third tool 245 in a direction away from the first tool 143 and protrudes from the third tool 245.

Due to the arrangement of the first cutter 143, the second cutter 244, and the third cutter 245, two pieces of the optical film 11 arranged along the second direction S3 can be cut in one cut.

As in the foregoing embodiment, one edge 10e1 of the optical roll film 10 cut out this time can be used as a cutting counterpoint for the next cutting, so as to perform subsequent continuous cutting of two optical film pieces 11 each time. In this embodiment, not only the two optical film sheets 11 can be cut out at the same time at one time, but also between the two optical film sheets 11 and between the next two optical film sheets 11 are cut, no waste is generated. . In addition, as in the foregoing embodiment, the lengths of the first cutter 143 and the third cutter 245 in the first direction S2 may be larger or smaller than the width of the optical roll film 10 in the first direction S2.

In an embodiment, the length of the second sub-cutter 2442 in the second direction S3 is greater than or substantially equal to the length of the side of the optical film 11 after cutting in the second direction S3, and / or the first sub-cutter 2441 is along the first direction. The length of the two directions S3 is substantially equal to the side length of the cut optical film 11 along the second direction S3.

FIG. 9 is a top view of a cutting die 340 according to another embodiment of the present invention. The cutting die 340 includes a punch 141 (not shown), a bearing member 142 and an open cutter 340a. The open tool 340 a includes a first tool 143 and a plurality of second tools 144. The second cutters 144 extend from the first cutter 143 in the second direction S3 and are arranged in the first direction S2. Due to the configuration of the first cutter 143 and the second cutters 144, several optical films 11 arranged along the first direction S2 can be cut in one cut. As shown in the figure, the open cutter 340a surrounds a plurality of openings 340b, and each of the openings 340b corresponds to or is aligned with one side of the optical film 11 that is cut out.

As in the foregoing embodiment, one edge 10e1 of the optical roll film 10 cut out this time can be used as a cutting counterpoint for the next cutting, so as to perform subsequent continuous cutting of several optical film sheets 11 at a time. In this embodiment, not only the optical films 11 can be cut simultaneously at one time, but also between the several optical films 11 and between the next several optical films 11 are cut, no waste material is generated. . In addition, as in the foregoing embodiment, the length of the first cutter 143 in the first direction S2 may be larger or smaller than the width of the optical roll film 10 in the first direction S2.

In an embodiment, the length of the second cutter 144 in the second direction S3 is greater than or substantially equal to the side length of the cut optical film 11 in the second direction S3.

FIG. 10 is a top view of a cutting die 440 according to another embodiment of the present invention. The cutting die 440 includes a punch 141 (not shown), a bearing member 142 and an open cutter 440a. The open tool 440a includes a first tool 143, a plurality of second tools 244, and a plurality of third tools 245. The first cutter 143 and the third cutters 245 extend along the first direction S2 and are aligned along the second direction S3. These second cutters 244 extend along the second direction S3 and are arranged along the first direction S2.

In one embodiment, the lengths of the first cutter 143 and the third cutter 245 in the first direction S2 may be greater than or substantially equal to the width of the optical roll film 10 in the first direction S2. In another embodiment, the first cutter The length of the 143 and the third cutter 245 in the first direction S2 may be shorter than the width of the optical roll film 10 in the first direction S2. In another embodiment, the lengths of the first cutter 143 and the third cutter 245 in the first direction S2 It can be different, for example, the length of the first cutter 143 in the first direction S2 is greater than the width of the optical roll film 10 in the first direction S2, but the length of the third cutter 245 in the first direction S2 is shorter than the length of the optical roll film 10 in the first direction The width of S2.

Each second tool 244 may include a plurality of tools. For example, each second tool 244 includes a plurality of first sub-tools 2441, a second sub-tool 2442, and a third sub-tool 2443 arranged in a line along the second direction S3. The first sub-tool 2441 extends from the first tool 143 and The third sub-tool 2443 extends between the second and third tools 245, and the second sub-tool 2442 extends from the left-most third tool 245 in a direction away from the first tool 143.

Due to the configuration of the first cutter 143, the second cutters 244, and the third cutters 245, several optical films 11 arranged in an array shape can be cut in one cut.

As in the foregoing embodiment, one edge 10e1 of the optical roll film 10 cut out this time can be used as a cutting counterpoint for the next cutting, so as to perform subsequent continuous cutting of several optical film sheets 11 at a time. In this embodiment, not only the optical films 11 can be cut simultaneously at one time, but also between the several optical films 11 and between the next several optical films 11 are cut, no waste material is generated. .

In an embodiment, the length of the second sub-cutter 2442 in the second direction S3 is greater than or substantially equal to the length of the side of the optical film 11 after cutting in the second direction S3, and the first sub-cutter 2441 is in the second direction S3. The length of the optical film 11 after cutting is substantially equal to the length of the side of the optical film 11 in the second direction S3, and / or the length of the second sub-tool 2443 in the second direction S3 is substantially equal to the length of the cutting of the optical film 11 The side length of the second direction S3.

FIG. 11 is a top view of a cutting die 440 'according to another embodiment of the present invention. The cutting die 440 'includes a punch 141 (not shown), a bearing member 142, and an open knife 440a'. The open tool 440a 'includes a first tool 143, a plurality of second tools 244, a plurality of third tools 245, and a plurality of fourth tools 446. Different from the cutting die 440 of the foregoing embodiment, the cutting die 440 'of this embodiment further includes a fourth cutter 446, and the fourth cutter 446 extends in the second direction S3. As shown in the figure, the first tool 143, the second tools 244, the third tools 245, and the fourth tools 446 are arranged in an array. In this embodiment, the design of the cutting die 440 'may be performed according to actual needs, and at least two kinds of optical films with different areas and / or different shapes may be cut out at the same time.

As in the foregoing embodiment, one edge 10e1 of the optical roll film 10 cut out this time can be used as a cutting counterpoint for the next cutting, so as to perform subsequent continuous cutting of several optical film sheets 11 at a time. In this embodiment, not only the optical films 11 can be cut simultaneously at one time, but also between the several optical films 11 and between the next several optical films 11 are cut, no waste material is generated. .

In summary, it can be known that the plurality of cutters of the cutting die 440 can be arranged with at least one closed shape and at least one open opening. After the optical roll film 10 is cut, at least two optical films are formed corresponding to the area of the at least one closed shape and the at least one open opening, wherein the open openings are corresponding or aligned with the corresponding optical film system. The at least one closed shape and the at least one open opening can be arranged into one Array to cut out in one cut An optical film of an array, where n and m are positive integers greater than 1, and the values of n and m may be the same or different. In one embodiment, the area and / or shape of the at least one closed shape and the at least one open opening may be the same or different. In an embodiment, the length of the cutter extending along the second direction S3 in the cutter surrounding the closed shape is substantially equal to the length of the corresponding side of the cut optical film 11, and in the cutter surrounding the open opening, The length of the cutter extending in the second direction S3 is substantially equal to or may exceed the corresponding side length of the optical film 11 after cutting.

FIG. 12 is a top view of a cutting die 540 according to another embodiment of the present invention. The cutting die 540 includes a punch 141 (not shown), a bearing member 142 and an open cutter 340a. Compared with the cutting blade die 340 of FIG. 9, the open blade 340 a of this embodiment is disposed along an oblique direction. In this way, a plurality of the optical film sheets 11 arranged in the oblique direction can be cut in one cut. Here, the inclination direction, for example, the first cutter 143 is at an acute angle with the first direction S2 or the second direction S3, such as 45 degrees, but it is not limited to this. In one embodiment, two ends of the first cutter 143 protrude from the optical film 11. As in the foregoing embodiment, one edge 10e1 of the optical roll film 10 cut out this time can be used as a cutting counterpoint for the next cutting, so as to perform subsequent continuous cutting of several optical film sheets 11 at a time. In this embodiment, not only the optical films 11 can be cut simultaneously at one time, but also between the several optical films 11 and between the next several optical films 11 are cut, no waste material is generated. .

FIG. 13 is a top view of a cutting die 640 according to another embodiment of the present invention. The cutting die 640 includes a punch 141 (not shown), a bearing member 142 and an open cutter 640a. The open tool 640a includes a first tool 143, a plurality of second tools 244, and a plurality of third tools 245. Compared with the cutting die 440 in FIG. 10, the first cutter 143, the second cutters 244, and the third cutters 245 of this embodiment are arranged in an oblique direction, so that it can be cut out in one cut. A plurality of optical film sheets 11 arranged in an oblique direction. Here, the inclination direction, for example, the first cutter 143 is at an acute angle with the first direction S2 or the second direction S3, such as 45 degrees, but it is not limited to this. In one embodiment, two ends of the first cutter 143 protrude from the optical film 11.

As in the foregoing embodiment, one edge 10e1 of the optical roll film 10 cut out this time can be used as a cutting counterpoint for the next cutting, so as to perform subsequent continuous cutting of several optical film sheets 11 at a time. In this embodiment, not only the optical films 11 can be cut simultaneously at one time, but also between the several optical films 11 and between the next several optical films 11 are cut, no waste material is generated. . As can be seen from FIGS. 8 to 13, the open cutter of the embodiment of the present invention includes several cutters. These cutters can surround or arrange at least one closed shape and at least one open opening. After the optical roll film 10 is cut, at least one optical film is formed in the corresponding closed and closed areas, and the open openings correspond to or align with the corresponding optical film system.

Please refer to FIGS. 14A and 14B. FIG. 14A illustrates a bottom view of a cutting die 740 according to another embodiment of the present invention, and FIG. 14B illustrates a side view of the cutting die 740 of FIG. 14A.

The cutting die 740 includes a punch 141 (not shown), a bearing member 742 and an open cutter 140a. The open tool 140a includes a first tool 143 and two second tools 144. The supporting member 742 has at least one airflow passage 742c. The airflow channel 742c extends from the side surface 742s of the carrier 742 to the inside of the carrier 742, and extends to the lower surface 742b of the carrier 742. The airflow passage 742c exposes the airflow inlet 742p1 on the side 742s and the airflow outlet 742p2 on the lower surface 742b. The direction of the airflow outlet 742p2 is substantially the same as the cutting direction S4 (the cutting direction S4 is shown in FIG. 2B), and the direction of the airflow inlet 742p1 is substantially perpendicular to the direction of the airflow outlet 742p2. During the cutting process, an airflow (not shown) can enter from the airflow inlet 742p1 and flow out from the airflow outlet 742p2. The outflow of air can suppress the optical roll film 10 and avoid warping of the optical roll film 10 to improve the dimensional accuracy of the optical film 11 after cutting.

As shown in FIG. 14A, the closer the airflow outlet 742p2 is to the end of the second cutter 144, the better the effect of suppressing the optical roll film 10. As shown in the figure, the portion between the side surface 742s and the first cutter 143 by the carrier 742 is not provided with a sipe and the cutter is not configured, so the airflow channel 742c can extend freely without being obstructed by the cutter or the sipe. Between the side 742s and the first cutter 143.

Please refer to FIG. 15, which illustrates a bottom view of a cutting die 840 according to another embodiment of the present invention. The cutting die 840 includes a punch 141 (not shown), a bearing member 842 and an open cutter 140a. The supporting member 842 has at least one lubrication passage 842c, a first sipe 842r1, two second sipes 842r2, and a lubricating liquid storage portion 8421. The first tool 143 and the second tool 144 of the open tool 140a are respectively arranged in the first sipe 842r1 and the second sipe 842r2 of the carrier 842. Each lubricating channel 842c communicates a corresponding sipe (the first sipe 842r1 or the second sipe 842r2) with the lubricating liquid storage portion 8421. The lubricating liquid storage portion 8421 is used to store a lubricating liquid (not shown). The lubricating liquid can lubricate the first tool 143 and the second tool 144 through the lubrication channel 842c, the first sipe 842r1, and the second sipe 842r2 to lubricate the tool. The cutting edge allows the cut optical film to be separated more smoothly from the cutter.

In addition, in another embodiment, the cutting die 840 may further include an air flow channel 742 c of the cutting die 740 of the cutting die 740. In addition, in another embodiment, the cutting die 840 may also include the die designs of other embodiments of the present invention.

Please refer to FIG. 16, which illustrates a bottom view of a cutting die 940 according to another embodiment of the present invention. The cutting die 940 includes a punch 141 (not shown), a carrier 942, and an open-type cutter 140a. The carrier 942 has at least one lubrication passage 842c, a first sipe 842r1, and two second sipes 842r2. Different from the aforementioned carrier 842, the lubrication passage 842c of the carrier 942 in this embodiment extends to the outer surface of the carrier 942, such as the side 942s, and an inlet 942p1 is exposed from the outer surface. The inlet 942p1 can be connected to an external lubricant supplier 941. The lubricating fluid supplier 941 can provide lubricating fluid (not shown) through the inlet 942p1, the lubricating channel 842c, and the sipe (the first sipe 842r1 and the second sipe 842r2) to lubricate the tool (the first tool 143 and the second tool 144). ).

In another embodiment, the cutting die 940 may further include an air flow channel 742 c of the cutting die 740 of the cutting die 740.

In one embodiment, the material of the lubricating fluid may include water, alcohol, ketone, ether, ester, aliphatic, aromatic hydrocarbon, halogenated hydrocarbon, amide, cellosolve, etc. Propanol, glycerol, ethylene glycol, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, diethyl ether, tetrahydrofuran, dioxane, anisole, ethyl acetate, butyl acetate, toluene, Methyl cellosolve such as xylene, dichloromethane, dichloroethane, dimethylformamide. These materials may be used alone or in a combination of two or more.

The open tool of the foregoing embodiment is described by using an example that includes three or more tools, but the embodiment of the present invention is not limited thereto. The tool of the open tool can be L-shaped or an open opening extending continuously, as described below by way of example.

Please refer to FIG. 17, which illustrates a top view of a cutting die 1040 according to another embodiment of the present invention. The cutting die 1040 includes a punch 141 (not shown), a bearing member 142 and an open cutter 1040a. Different from the aforementioned open tool 140a, the number of tools of the open tool 1040a in this embodiment is two, such as a first tool 143 and a second tool 144. The first cutter 143 and the second cutter 144 are connected in an L shape. The first cutter 143 and the second cutter 144 constitute two sides of a quadrilateral, and the two openings 1040b of the open cutter 1040a are the other two sides of the quadrilateral. Under this design, after the optical roll film 10 is cut into the optical film 11, two sides of the cut optical film 11 correspond to or are aligned with the two openings 1040 b of the open cutter 1040 a, respectively. As shown in the figure, after cutting, one side (such as the first side 11e1) of the optical film 11 and the cutting registration side 10e1 (as shown in FIG. 4B) of the optical roll film 10 before cutting are the same side The other side (such as the third side 11e3) of the optical film 11 and the second side 10e2 of the optical roll film 10 are the same side.

The second side 10e2 of the aforementioned optical roll film 10 and the cut-off registration side 10e1 may be substantially perpendicular. In an embodiment, before the first cutting, the second edge 10e2 of the optical roll film 10 may be cut by using a cutting method, such as leveling with a cutter or a laser, so that the subsequent cut optical film 11 is cut. The third side 11e3 is a flat side. The cutting method for cutting the optical roll film 10 into the optical film 11 in this embodiment may be similar to or the same as the foregoing embodiment, and details are not described herein again.

Please refer to FIG. 18, which illustrates a top view of a cutting die 1140 according to another embodiment of the present invention. The cutting die 1140 includes a punch 141 (not shown), a bearing member 142 and an open cutter 1140a. The open tool 1140a has a pentagonal shape, and the opening 1140b of the open tool 1140a has a hexagonal shape with its five sides. The opening 1140b of the open cutter 1140a corresponds to or is aligned with the third side 11e3 of the cut optical film 11. In an embodiment, before the first cutting, the second edge 10e2 of the optical roll film 10 may be cut by using a cutting method, such as leveling with a cutter or a laser, so that the subsequent cut optical film 11 is cut. The third side 11e3 is a flat side.

Please refer to FIG. 19, which illustrates a top view of a cutting die 1240 according to another embodiment of the present invention. The cutting die 1240 includes a punch 141 (not shown), a bearing member 142 and an open cutter 1240a. The open cutter 1240a is a round with all corners, and the chamfered edge is an opening 1240b. This opening 1240b corresponds to or is aligned with the third side 11e3 of the cut optical film 11. In an embodiment, before the first cutting, the second side 10e2 of the optical roll film 10 may be flattened by a cutting method, so that the third side 11e3 of the optical film 11 that is subsequently cut is flat. side. In an example, the open cutter 1240a is a non-rectangular cutter with all corners or straight edges, and the shape is, for example, oval, fan-shaped, barrel-shaped, love-shaped, and the like.

FIG. 20 is a schematic diagram of a discharging mechanism 110 'according to another embodiment of the present invention. The discharging mechanism 110 'may include or include a first nip roller 112, a dancer roll 113, and a second nip roller 114, wherein the first nip roller 112 and the second nip roller 114 are arranged in pairs. The beating roller 113 and the second nip roller 114 are sequentially interposed between the first nip roller 112 and the take-up wheel 111. In this embodiment, the advance length of the optical roll film 10 can be adjusted by the first nip roller 112. For example, during the process of continuously releasing the optical roll film 10 under the driving of the second nip roller 114, if the position of the jumping roller 113 is lowered and the rotation of the first nip roller 112 is stopped, the optical film 10 can be increased. Stock length; driven by the second nip roller 114, the reel 111 continuously releases the optical roll film 10, and the first nip roller 112 is rotated to advance the optical roll film 10 to the conveying direction S1, so that the jump roller 113 The position rises. Therefore, by the design of the jumping roller 113, the optical roll film 10 can be advanced with a buffer area, and the forward length of the optical roll film 10 can be adjusted by maneuverability.

In one embodiment, the jumping roller 113 can also adjust the tension of the optical roll film 10. Although not shown in the figure, the aforementioned control of the scroll wheel may be implemented by the controller 130. In a movement method, as shown in FIG. 20, the jumping roller 113 can vertically change the position vertically to adjust the tension of the optical roll film 10. The unwinding mechanism 110 'may further include a force sensor (not shown), which is arranged on any roller that is in contact with the optical roll film 10, so as to sense the tension value of the optical roll film 10, and feed it back to the controller 130, so that The controller 130 controls the movement of the jumping roller 113 (through the driver).

In another type of motion, the jumping roller 113 can change position by swinging left and right, and the tension of the optical roll film 10 can also be adjusted. As far as the control mechanism is concerned, the discharging mechanism 110 'may further include a swing arm (not shown) and a driver (not shown), wherein the swing arm is connected to the jumping roller 113 and the driver. The controller 130 can control the driver to drive the rocker arm to swing, so as to drive the jumping roller 113 to swing left and right to change positions.

The cutting method of the foregoing embodiments for controlling the optical roll film 10 can also be realized by using a discharge mechanism 110 '.

21 to 26B are diagrams illustrating a cutting process of the optical roll film 40 by a cutting device 200 according to another embodiment of the present invention.

First, as shown in FIG. 21, at least one optical film patch 30 is provided. The optical film patch 30 can be cut by using any of the aforementioned cutting dies or other types of cutting tools, such as a straight knife, a round knife, or a laser, to cut an optical film roll. As shown, the optical film patch 30 includes a first release film 30a, a polarizing film 30b, and a second release film 30c. The polarizing film 30b is located between the first release film 30a and the second release film 30c. The materials of the first release film 30a and the second release film 30c are similar to or the same as those of the foregoing release film 10a, and details are not described herein again. The material of the polarizing film 30b is similar to or the same as the aforementioned polarizing film 10b, and details are not described herein again.

Then, as shown in FIGS. 22A and 22B, FIG. 22A shows a side view of applying the optical film patch 30 of FIG. 21 to an optical roll film 40, and FIG. 22B shows a plan view of 22A. As shown in the figure, several optical film patches 30 can be attached to the optical roll film 40. The second gap H2 between two adjacent optical film patches 30 can be between 0 and 2 millimeters, but it can also be Bigger. After lamination, the axial angle of the optical film patch 30 and the axial angle of the optical roll film 40 may be non-parallel or perpendicular to each other, but the embodiment of the present invention is not limited thereto.

Before lamination, one of the release films of the optical film patch 30, such as the release film 30c, can be removed to expose the adhesive layer (not shown) of the polarizing film 30b, and then polarizing The film 30b is adhered to the optical roll film 40. The optical roll film 40 includes a functional layer 40a and a surface protective layer 40b. The polarizing film 30b of the optical film patch 30 is bonded to the functional layer 40a, for example. In addition, the functional layer 40a is, for example, a brightness enhancement film, a dual brightness enhancement film (DBEF), an advanced polarizer film (APF), a phase difference film, a diamond mirror film, and the like having optical adjustment properties. Film layer. The material of the surface protection layer 40b is similar to or the same as the aforementioned surface protection film 10c, and is not repeated here.

Then, as shown in Figs. 23A and 23B, Fig. 23A shows a schematic diagram of a cutting device 200 according to another embodiment of the present invention, and Fig. 23B shows a top view of a cutting die 440 "in Fig. 23A. The cutting device 200 includes a discharging mechanism 110, a conveying mechanism 120, a controller 130, and a cutting blade die 440 ". The cutting die 440 "includes a punch, a carrier 142, and an open knife 440a". The open cutter 440a "includes a first cutter 143, at least one second cutter 244, at least one third cutter 245, and a trimming cutter 443. The open cutter 440a" in this embodiment is similar to the aforementioned open cutter 440a, except that, The open cutter 440a "further includes a trimming cutter 443, which extends along the first direction S2 and is aligned with the first cutter 143 in the second direction S3, for example, adjacently arranged.

The first gap H1 between the trimming cutter 443 and the first cutter 143 may be larger than the second gap H2, so that the second gap H2 between the two adjacent optical film patches 30 may be completely located in the first gap H1 (such as the 25B As shown). In this way, in the subsequent cutting, the second gap H2 can be completely cut off, that is, the second gap H2 will not remain in the cut optical film 41. In one embodiment, the first gap H1 may be between about 2 mm and about 10 mm.

As shown in the figure, the unwinding mechanism 110 releases the optical roll film 40, so that the conveying mechanism 120 can drive the optical roll film 40 positioned thereon to the conveying direction S1 until the optical The roll film 40 and the optical film patch 30 are located below the cutting blade 443 of the cutting die 440 ", and the feeding mechanism 110 fixes the optical roll film 40. As shown in FIG. 23B, the cutting blade 443 is along the first The length L6 in the direction S2 is greater than the width L7 of the optical roll film 40 along the first direction S2. Thus, when the cutting blade mold 440 ”cuts the optical roll film 40 and the optical film patch 30, the edge cutting tool 443 can move in the first direction S2 completely cuts off the optical roll film 40 and the optical film patch 30.

Next, as shown in Figs. 24A and 24B, the cutting die 440 "is moved to the cutting direction S4 to perform the first cutting of the optical roll film 40 and the optical film patch 30. The cutting die 440" The cutting edge cutter 443 cuts the optical roll film 40 and the optical film patch 30, and cuts out the cutting registration edge 40e1 of the optical roll film 40 and the cutting registration edge 30e1 of the optical film patch 30. The trimming registration edge 40e1 and the trimming registration edge 30e1 are also the first side 41e1 (the first side 41e1 of the optical film 41 shown in FIG. 26B) after the subsequent cutting. (Figure 26B), that is, the cut-off counter-edge 40e1 and the cut-off counter-edge 30e1 and the first side 41e1 are the same side.

In addition, as shown in FIG. 24B, after the first cutting, the optical roll film 40 and the optical film patch 30 respectively produce a finished product waste 40 'and 30'. In another embodiment, if the initial edge 40e 'of the optical roll film 40 in Fig. 22B is aligned with the initial edge 30e' of the optical film patch 30, the cutting steps in Figs. 23A to 24B can be omitted.

Next, as shown in FIGS. 25A and 25B, after the cutting blade mold 440 "moves upward to detach from the optical roll film 40, the feeding mechanism 110 releases the optical roll film 40, so that the conveyance mechanism 120 drives the optical roll film 40 to continue to The conveying direction S1 advances until the optical roll film 40 is located below the first cutter 143, the second cutter 244, the third cutter 245, and the trimming cutter 443, and the feeding mechanism 110 fixes the optical roll film 40.

As shown in the figure, the second gap H2 between the two optical patches 30 is located between the first cutter 143 and the first gap H1 of the edge cutter 443, so that during subsequent cutting, the second gap H2 can be completely cut off. Or the second gap H2 will not remain on the cut optical film 41 (illustrated in FIG. 26B) on the cut optical roll film 40.

Next, as shown in FIGS. 26A and 26B, the cutting die 440 "is moved to the cutting direction S4, and the optical roll film 40 and the optical film patch 30 are cut a second time to form a plurality of optical film sheets 41. Wherein, the optical film 41 has a first edge 41e1, and the first edge 41e1 is a cutting edge formed during the previous cutting (ie, a cutting edge 40e1 in FIG. 24B).

In this step, in addition to the first cutter 143 of the cutting die 440 ", in addition to cutting the second edge 41e2 of the optical film 41, the cutting cutter 443 also cuts the new cutting registration edge of the optical roll film 40. 40e1 and the new cutting registration edge 30e1 of the optical film patch 30. The new cutting registration edges 40e1 and 30e1 are one side of the optical film 41 cut next time. In other words, this time by the cutting blade 443 The cutting alignment edges 40e1 and 30e1 of the cut optical roll film 40 are the same side as the side of the optical film 41 cut next time.

Next, the steps of FIGS. 25A to 26B can be used to continue cutting out more optical film sheets 41 for the optical roll film 40 and the optical film patch 30.

In addition, the open cutter 440a "in this embodiment is described by taking the combination of the 440a and the edge cutter 443 in the foregoing embodiment as an example, but the open cutter 440a" in another embodiment may also be any of the foregoing open cutters In combination with the trimming cutter 443.

In addition, as shown in FIG. 26B, the first cutter 143 and the trimming cutter 443 The length L6 in the first direction S2 may be the same, but may be different. In an embodiment, the length L6 of the cutting edge cutter 443 along the first direction S2 is greater than the distance L8 between the uppermost second cutter 244 and the lowermost second cutter 244, so that a completely separated optical film can be formed at the next cutting. Tablet 41. In an embodiment, the cutting edge cutter 443 and the first cutter 143 may be shorter than the width L7 of the optical roll film 40 along the first direction S2, so that each time the cutting, the sapwood waste of the optical roll film 40 is kept continuous. Similar to the embodiment of FIG. 7. Please refer to Figs. 27A and 27B. Fig. 27A shows a bottom view of a cutting die 440 "'according to another embodiment of the present invention, and Fig. 27B shows a cutting die 440" of FIG. 27A. 'Side view.

The cutting die 440 '' 'includes a punch 141 (not shown), a bearing member 442, and an open knife 440a' '. The bearing member 442 has at least one airflow channel 742c. The airflow channel 742c is carried from the side 442s of the bearing member 442 to the bearing The member 442 extends inside and extends to the lower surface 442b of the carrier 442. The airflow channel 742c exposes the airflow inlet 742p1 on the side 442s and the airflow outlet 742p2 on the lower surface 442b, where the airflow outlet 742p2 is located on the first cutter 143 and the edge cutter 443. The direction of the airflow outlet 742p2 is substantially the same as the cutting direction S4 (the cutting direction S4 is shown in FIG. 24A), and the direction of the airflow inlet 742p1 is substantially perpendicular to the direction of the airflow outlet 742p2.

During the cutting process, an airflow G1 can enter from the airflow inlet 742p1 and flow out from the airflow outlet 742p2. Since the airflow outlet 742p2 is located between the first cutter 143 and the trimming cutter 443, the outgoing airflow can suppress the optical roll film 40 and the optical patch 30 on the two sides of the second gap H2 to improve the cutting accuracy. In addition, the airflow G1 may be provided by an airflow provider (not shown).

FIG. 28 is a top view of a cutting blade die 1340 according to another embodiment of the present invention. The cutting die 1340 includes a punch 141 (not shown), a bearing member 142 and an open cutter 1340a. The open cutter 1340a has a structure similar to the aforementioned open cutter 140a, except that the open cutter 1340a further includes at least one cutting tool 146 to cut the waste material 10 ''. As shown in the figure, the two cutting tools 146 extend along the first direction S2, and respectively extend from the second and second tools 144 in directions away from the second tools 144 to beyond the sides of the optical roll film. In this way, when cutting the optical roll film 10, a large-area sapwood waste material 10 '' can be cut into several small-area waste materials to facilitate the collection of these small-area waste materials.

In summary, it can be known that the open cutter of the cutting die of the embodiment of the present invention may include several cutters. In one embodiment, the knives can be surrounded or arranged into an open opening. After cutting the optical roll film, an area corresponding to the open opening is cut out into an optical film, wherein the open opening corresponds to or is aligned with one side of the optical film. In another embodiment, the knives can be surrounded or arranged into at least one closed shape and at least one open opening. After cutting the cut optical roll film, a plurality of optical films are cut out in the areas corresponding to the closed and open openings, wherein the open openings correspond to or align with one side of the corresponding optical film. In addition, an open opening may have one or more openings. In terms of shape, the open opening can be a cutter with an opening, such as a polygonal cutter, a rounded cutter, or an L-shaped cutter. As for the L-shaped cutter, the open cutter has two side openings, which respectively correspond to or are aligned with the two sides of the optical film cut out. In another embodiment, one of the cutters of the open cutter can cut out the cutting registration edge of the optical roll film, and this cutting registration edge is the same edge as the side of the optical film cut next time. Therefore, the amount of waste of the optical film can be reduced.

In summary, although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the present invention pertains can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope of the attached patent application.

10 ’, 10’ ’, 30’, 40 ’‧‧‧ waste

10, 40‧‧‧ Optical roll film

10a, 30a, 30c ‧‧‧ release film

10b, 30b‧‧‧polarized film

10c, 40b‧‧‧ surface protection film

10e ’, 40e’, 30e ’‧‧‧ initial edges

10e1, 30e1, 40e1

11, 12, 41‧‧‧Optical diaphragm

11e1, 12e1, 41e1‧‧‧ first side

11e2, 12e2, 10e2, 41e2 ‧‧‧ Second side

11e3‧‧‧ Third side

11e4‧‧‧ Fourth side

40a‧‧‧functional layer

100, 200‧‧‧ cutting equipment

110, 110’‧‧‧ unloading mechanism

111‧‧‧Roller

112‧‧‧The first nip roller

113‧‧‧beating wheel

114‧‧‧Second nip roller

120‧‧‧ Delivery agency

130‧‧‧controller

140, 240, 340, 440, 440 ’, 440’ ’, 440’ ’’, 540, 640, 740, 840, 940, 1040, 1140, 1240, 1340

140a, 140a ’, 240a, 340a, 440a, 440a’, 440a ’’, 640a, 1040a, 1140a, 1240a, 1340a

140b, 240b, 340b, 340b, 440b, 1040b, 1140b, 1240b

141‧‧‧punch

142, 442, 742, 842, 942, 1042‧‧‧

142r1, 842r1‧‧‧The first sipe

142r2, 842r2‧‧‧Second sipe

143‧‧‧The first cutter

144, 244‧‧‧Second cutter

146‧‧‧cut tool

150‧‧‧ Receiving wheel

2441‧‧‧The first sub-tool

2442‧‧‧Second Sub Tool

2443‧‧‧Third Sub Tool

245‧‧‧ Third Tool

442b, 742b‧‧‧ lower surface

442s, 742s, 942s

443‧‧‧Edge cutting tools

446‧‧‧Fourth cutter

742c‧‧‧Airflow channel

742p1‧‧‧air inlet

742p2‧‧‧Airflow outlet

842c‧‧‧Lubrication channel

8421‧‧‧Lubricant storage section

942p1‧‧‧ entrance

G1‧‧‧Airflow

L1, L2, L4, L5, L6, L8‧‧‧ length

L3, L7‧‧‧Width

H1, H2‧‧‧ clearance

S1‧‧‧Transfer direction

S2‧‧‧First direction

S3‧‧‧ second direction

S4‧‧‧ cutting direction

FIGS. 1A to 6B are diagrams illustrating a cutting process for cutting an optical roll film by a cutting device according to an embodiment of the present invention. FIG. 7 is a top view of a cutting die according to a second embodiment of the present invention. FIG. 8 is a top view of a cutting die according to another embodiment of the present invention. FIG. 9 is a top view of a cutting die according to another embodiment of the present invention. FIG. 10 is a top view of a cutting die according to another embodiment of the present invention. FIG. 11 is a top view of a cutting die according to another embodiment of the present invention. FIG. 12 is a top view of a cutting die according to another embodiment of the present invention. FIG. 13 is a top view of a cutting die according to another embodiment of the present invention. FIG. 14A is a bottom view of a cutting die according to another embodiment of the present invention. Fig. 14B is a side view of the cutting die of Fig. 14A. FIG. 15 is a bottom view of a cutting die according to another embodiment of the present invention. FIG. 16 is a bottom view of a cutting blade according to another embodiment of the present invention. FIG. 17 is a top view of a cutting die according to another embodiment of the present invention. FIG. 18 is a top view of a cutting die according to another embodiment of the present invention. FIG. 19 is a top view of a cutting die according to another embodiment of the present invention. FIG. 20 is a schematic diagram of a discharging mechanism according to another embodiment of the present invention. 21 to 26B are diagrams illustrating a cutting process for cutting an optical roll film by a cutting device according to another embodiment of the present invention. FIG. 27A illustrates a bottom view of a cutting die according to another embodiment of the present invention. Figure 27B is a side view of the cutting die of Figure 27A. FIG. 28 is a top view of a cutting die according to another embodiment of the present invention.

Claims (29)

A cutting die for cutting an optical film. The cutting die includes: a carrier; and an open cutter having at least one open opening. When the optical film is cut, the The open opening is aligned with at least one side of the optical film, and in a conveying direction of the optical film, the length of the open cutter is the same as the length of a complete side of the optical film. The cutting die according to item 1 of the patent application scope, wherein the open cutter is a polygon cutter or a non-rectangular cutter with a notch. A cutting blade die is used for cutting out an optical film. The cutting blade die includes: a carrier; a first cutter assembled in the carrier and extending in a first direction; a second cutter Is assembled in the carrier and extends along a second direction and is parallel to the conveying direction of the optical film, wherein the first direction is substantially perpendicular to the second direction, and the first cutter is connected to and surrounds the second cutter. An opening is formed, and when the optical film is cut, the opening is aligned with a side of the optical film that is cut out, and the opening is directly connected to the end of the first cutter or the second cutter, where The length of the first cutter in the first direction is greater than the width of an optical roll film along the first direction and protrudes from the second cutter, and in the second direction, the length of the second cutter and the optical film One complete side is the same length. The cutting die according to item 3 of the patent application scope includes a plurality of the second knives, the second knives are spaced apart from each other and arranged along the first direction, and are respectively connected to the first knives. The cutting die according to item 3 or 4 of the scope of patent application, comprising: two the second cutters arranged along the first direction; and a third cutter spaced from the first cutters and along the second The two cutting tools extend from the first cutting tool toward the third cutting tool and protrude beyond the third cutting tool. The cutting die according to item 5 of the scope of patent application, wherein each of the second tools includes a first sub-tool and a second sub-tool arranged in a line along the second direction, and the first sub-tool extends at Between the first tool and the third tool, and the second sub-tool extends from the third tool in a direction away from the first tool; the length of the second sub-tool in the second direction is greater than or substantially equal to The side length of the cut optical film along the second direction and / or the length of the first sub-cutter along the second direction is substantially equal to the side length of the cut optical film along the second direction. The cutting die according to item 5 of the patent application scope, wherein the cutting die is arranged in at least one closed shape and includes at least one open opening, and the at least one closed shape is aligned with the at least one open opening. Form an n × m array, where n and m are positive integers greater than 1, and the values of n and m are different, and / or the area or shape of the at least one closed shape and the at least one open opening are different . The cutting die according to item 1 or 3 of the patent application scope, wherein the carrier has an airflow channel, and the airflow channel exposes an airflow outlet from the bottom surface of the carrier, the direction of the airflow outlet and the cutting blade The cutting direction of the die is substantially the same. The cutting die according to item 8 of the patent application scope, wherein the airflow channel exposes an airflow inlet from the side of the carrier, and the direction of the airflow inlet is substantially perpendicular to the direction of the airflow outlet. The cutting die according to item 1 or 3 of the patent application scope, wherein the bearing member has a lubrication channel and a sipe, and the first cutter is arranged in the sipe, and the lubrication channel communicates with the sipe. The cutting die according to item 10 of the patent application scope, wherein the lubrication channel extends to the outer surface of the carrier to be connected to a lubricant provider, and / or the cutting die further includes a lubricant containing And the lubrication passage communicates with the sipe and the lubricant containing portion. The cutting die according to item 10 of the patent application scope, wherein the material of the lubricating fluid includes water, alcohol, ketone, ether, ester, aliphatic, aromatic hydrocarbon, halogenated hydrocarbon, amide, and cellosolve. A cutting device includes: a feeding mechanism; a conveying mechanism; the cutting die as described in any one of claims 1 to 12 of the scope of patent application; and a controller for operating on: The discharging mechanism releases or fixes the optical roll film; controls the transfer mechanism to transfer the optical roll film; and controls the cutting blade die to cut the optical roll film. The cutting device according to item 13 of the patent application scope, wherein the speed at which the conveying mechanism conveys the optical film is different from the speed at which the feeding mechanism conveys the optical roll film. The cutting device according to item 13 of the patent application scope, wherein the discharging mechanism further comprises a jumping roller. A cutting method includes: a conveying mechanism conveys an optical roll film in a conveying direction until the optical roll film is located in the open cutter of the cutting die as described in the patent application scope item 1 or 2 Below; and the cutting knife mold cuts the optical roll film, wherein the open knife of the cutting knife mold cuts out an optical film, wherein the optical film has a cutting registration edge, And the cutting alignment side is substantially consistent with the opening position of the open cutter. The cutting method according to item 16 of the patent application scope, wherein before the cutting step, the cutting method further comprises: flattening one side of the optical roll film. A cutting method includes: a conveying mechanism conveys an optical roll film to a conveying direction until the optical roll film is located in the cutting die of the cutting blade as described in any one of claims 3-12 Under the first cutter; the cutting blade die cuts the optical roll film for the first time, wherein the first cutter of the cutting die mold cuts out a cutting alignment edge of the optical roll film; The conveying mechanism drives the optical roll film to continue to advance in the conveying direction until the optical roll film is located below the first cutter and the second cutter; and the cutting blade mold performs a second cutting on the optical roll film. Wherein, the first cutter and the second cutter of the cutting blade die cut an optical film on the optical roll film, the optical film has an opposite first side and a second side, and the first The edge is the same edge as the trimmed edge. The cutting method according to item 18 of the scope of patent application, wherein in the step of the second cutting of the optical roll film by the cutting die, the first cutter cuts a new one of the optical roll film. Cutting the opposite edge; the cutting method further includes: the conveying mechanism drives the optical roll film to continue to advance in the conveying direction until the optical roll film is located below the first cutter and the second cutter; and the cutting The knife mold cuts the optical roll film for a third time, wherein the first cutter and the second cutter of the cutting die mold cut the optical roll film into another optical film, and the other optical film. The sheet has the first side and the second side opposite to each other, and the first side of the other optical film is the same side as the new cropped counter-edge. The cutting method according to item 18 of the scope of patent application, wherein the optical roll film includes a release film, a polarizing film, and a surface protective film; the optical roll film is cut for the first time in the cutting knife mold. In the cutting step, the cutting die sequentially cuts the release film, the polarizing film, and the surface protection film of the optical roll film. The cutting method according to item 18 of the scope of patent application, wherein the extending direction of the first cutter is at an angle with the forward direction of the optical roll film. A cutting method includes: providing an optical roll film, wherein the optical roll film has a flat edge; and an open cutter cutting the optical roll film to form an optical film; wherein the open cutter The opening is aligned with the flat side of the optical roll film. According to the cutting method described in item 22 of the patent application scope, before the step of cutting the optical roll film by the open cutter, the cutting method further includes: using the open cutter, a cutter or a laser To form the flat edge. The cutting method according to item 22 of the scope of patent application, wherein the open cutter is a polygon cutter or a non-rectangular cutter with a notch. The cutting method according to item 22 of the scope of patent application, wherein the optical roll film includes a release film, a polarizing film, and a surface protection film; in the step of cutting the optical roll film by the open cutter , The open cutter sequentially cuts the release film, the polarizing film, and the surface protection film of the optical roll film. The cutting method according to item 22 of the scope of patent application, wherein the opening of the open cutter is at an angle with the forward direction of the optical roll film. A cutting die is used to cut out an optical film, wherein the optical film is provided with a plurality of optical film patches, and there is a second gap between two adjacent optical film patches. The cutter die includes: a carrier; a first cutter assembled in the carrier and extending along a first direction, wherein the first direction is perpendicular to the conveying direction of the optical film; a second cutter is assembled on The carrier extends along a second direction, wherein the first direction is substantially perpendicular to the second direction, the first cutter is connected to the second cutter and surrounds an opening, and the opening is aligned with the cutting out of the opening. A side edge of the optical film; and a trimming cutter aligned with the first cutter in the second direction and extending parallel to the first direction, and the first cutter and the trimming cutter have a first gap; The first gap is larger than the second gap. The cutting die according to item 27 of the patent application scope, wherein the carrier has an airflow channel, and the airflow channel exposes an airflow outlet from the bottom surface of the carrier, and the direction of the airflow outlet is the same as that of the cutting die. The cutting direction is substantially the same, and is located between the first cutter and the edge cutter. A cutting method includes: a conveying mechanism conveys an optical roll film in a conveying direction until the optical roll film and one of the optical film patches are located on the cutting blade as described in item 27 of the scope of patent application The cutting edge of the optical roll film is cut for the first time by the cutting edge die, wherein the edge cutting edge of the cutting edge die cuts out a cutting position of the optical roll film Edge and a cutting edge of one of the optical film patches; the conveying mechanism drives the optical roll film to continue to advance in the conveying direction until the second gap is below the first gap; and the cutting blade The optical roll film is cut a second time by the die, wherein the first cutter and the second cutter of the cutting die cut the optical roll film and one of the optical film patches to cut an optical film, The optical film is completely separated from the second gap, and the optical film has a first side and a second side opposite to each other, and the first side and the trimming side are the same side; A step of cutting the optical roll film by the cutting die The tool cutting edge by cutting out a new cutting edge of the optical alignment film roll.