WO2022103204A1 - Matrice pour la fabrication d'un film, procédé pour sa fabrication et film ainsi fabriqué - Google Patents

Matrice pour la fabrication d'un film, procédé pour sa fabrication et film ainsi fabriqué Download PDF

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Publication number
WO2022103204A1
WO2022103204A1 PCT/KR2021/016556 KR2021016556W WO2022103204A1 WO 2022103204 A1 WO2022103204 A1 WO 2022103204A1 KR 2021016556 W KR2021016556 W KR 2021016556W WO 2022103204 A1 WO2022103204 A1 WO 2022103204A1
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WIPO (PCT)
Prior art keywords
protrusion
film
plate
film manufacturing
fixing
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PCT/KR2021/016556
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English (en)
Korean (ko)
Inventor
조정기
Original Assignee
조정기
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Publication date
Priority claimed from KR1020210045911A external-priority patent/KR102587938B1/ko
Application filed by 조정기 filed Critical 조정기
Publication of WO2022103204A1 publication Critical patent/WO2022103204A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

Definitions

  • the technical idea of the present disclosure relates to a film manufacturing frame, a manufacturing method thereof, and a film manufactured thereby, and in particular, a security film that allows a display part of an electronic device to be viewed only from the front or a certain angle and cannot be viewed from other parts.
  • the present invention relates to a film manufacturing mold, a method for manufacturing the same, and a film manufactured by the same, which allow the simple and easy manufacturing of a pattern film essential for manufacturing the security film and efficiently utilize it in manufacturing the security film.
  • Such a security film may be generally manufactured by a transfer method using a mold. Specifically, the projections of the film manufacturing mold are transferred onto the resin to form a groove, and a light-opaque material is filled in the groove to manufacture a security film.
  • the projections may be formed through precise cutting, grinding, or etching processes.
  • This protrusion manufacturing process is very precise, complex, and requires a lot of time.
  • the protrusion of the film manufacturing mold can be manufactured through various processes by cutting it with a diamond turning machine or a precision fine bite, melting it with a laser, or corroding the surface using photolithography, or by stacking it using a 3D printer.
  • the film manufacturing mold having such protrusions can manufacture various products such as a prism sheet having a fine pattern (grooves), a security film, and a retroreflective film.
  • AR aspect ratio
  • the durability of the mold is not high because the material with relatively weak strength and hardness is used, so there is a problem that the shape of the mold is deformed after production.
  • a device for grinding a fine width such as a dicing saw, does not have the same spacing between the projections and the produced film even when equipped with a large number of grinding blades. It takes a lot of time.
  • the single thin plate lamination method (1020010005193) for manufacturing a light guide plate similar to this can only control the shape of the protrusion end, so it is not possible to manufacture a security film with high-definition equipment, and the mold parts are cut very small and assembled to complete the mold.
  • the method (1020200058707) requires a technique for handling very precise parts, has high-definition equipment, has a smooth surface, and it is difficult to adjust the spacing uniformly.
  • the conventional method of manufacturing a film manufacturing mold has problems in that the manufacturing equipment is expensive, increasing the cost of the product, it is difficult to guarantee the quality of the final product, and the manufacturing process is complicated.
  • An object of the technical spirit of the present disclosure is to provide a film manufacturing mold and a method for manufacturing the same, which can be efficiently and efficiently manufactured by simply and easily manufacturing a film manufacturing mold for manufacturing a security film.
  • a plurality of saipan and a plurality of stones alternately laminated with the saipan A substrate may be included, and the plurality of protrusion plates may be disposed to protrude by a predetermined height than the siding plate in a direction perpendicular to the stacking direction.
  • the plurality of alternately stacked siding plates and the plurality of protrusion plates may constitute a laminate, and a portion of the protrusion plates protruding from the lamination portion of the laminate may form a protrusion.
  • the thickness of the protrusion plate may be thinner than the thickness of the siding plate.
  • a height of the protrusion may be greater than a thickness and length of the siding plate.
  • the protrusion plate and the siding plate may be formed of the same material.
  • a holder for fixing the plurality of sipes and the plurality of protrusions in a stacked state may be further included.
  • the fixing member may be inserted into the fixing grooves respectively formed in the siding plate and the protrusion plate.
  • the fixing groove of the protruding plate may be formed to be lower than a height at which the fixing groove of the siding plate is formed.
  • the fixing table may be composed of a roll-shaped elastic member and a fixing rod disposed at one end of the elastic member to adjust the diameter of the elastic member or to fix both ends of the stacking unit, or may be composed of only a fixing rod.
  • the laminate may form a reference surface from which the protrusion protrudes, have horizontal and vertical lengths, and the reference surface may be formed as a flat surface.
  • It may further include a shape indicating information on the reference plane.
  • the laminate may be coated or plated.
  • the lamination part of the laminate may form a reference surface from which protrusions protrude, have horizontal and vertical lengths, and the reference surface may be formed as a curved surface.
  • the laminate may be formed in a cylindrical shape.
  • the steps of alternately laminating a plate-shaped saipan and a protruding plate in a lamination direction and fixing the laminate in which the saipan and the protruding plate are alternately stacked to a fixed station may include
  • the method may further include processing one end surface of the lamination part of the laminate including the alternately laminated sipe and the protruding plate.
  • the projection plate disposed between the siding plates may be moved by a predetermined distance to form the projection, and then the laminate may be fixed to the fixing rod.
  • the protrusion may be formed by removing the saipan by chemical or heat treatment after the step of fixing the laminate to the fixing bar.
  • the step of fixing the laminate to the fixing rod may include fixing the laminate formed by alternately stacking the projection plates and the saipan with a protrusion plate manufactured to be larger than the saipan by the height of the protrusions.
  • a plurality of sai plates and a plurality of protruding plates alternately stacked with the plurality of sai plates in a stacking direction are provided, wherein the plurality of protruding plates are perpendicular to the stacking direction. It may be manufactured with a film manufacturing mold arranged to protrude more than the sipe in the direction, and formed to engage with the protrusion of the film manufacturing mold.
  • a plurality of sipes and a plurality of protruding plates alternately stacked with the plurality of sai plates in a lamination direction are provided, wherein the plurality of protruding plates are in a direction perpendicular to the lamination direction.
  • a micro-shape can be formed with a film manufacturing mold arranged to protrude more than the sipe.
  • the film manufacturing mold according to an exemplary embodiment of the present disclosure has a simple structure and shape and thus is easy to manufacture, its utility can be increased.
  • FIG. 1 is a perspective view of a film manufacturing form according to an exemplary embodiment of the present disclosure
  • FIG. 2A is a view showing a method of manufacturing a film using a film manufacturing mold according to an exemplary embodiment of the present disclosure
  • FIG. 2B is a perspective view of a film manufactured using a film manufacturing mold.
  • FIG. 3 is a flowchart illustrating a method of manufacturing a film manufacturing mold according to an exemplary embodiment of the present disclosure.
  • FIGS. 4A to 4C are views illustrating a method of manufacturing a film manufacturing frame according to an exemplary embodiment of the present disclosure.
  • FIG 5 is a view for explaining a fixing base according to an exemplary embodiment of the present disclosure.
  • 6A to 6F are views illustrating a method of manufacturing a film manufacturing frame and a method of manufacturing a film using the same according to another exemplary embodiment of the present disclosure.
  • FIG. 7 is a perspective view of a film manufacturing frame according to another exemplary embodiment of the present disclosure.
  • FIG. 8 is a perspective view of a film manufacturing frame according to another exemplary embodiment of the present disclosure.
  • 9A and 9B are views showing a film manufacturing frame and a film manufactured using the same according to another exemplary embodiment of the present disclosure.
  • FIGS. 10 to 13 are perspective views of a film manufacturing form according to still another exemplary embodiment of the present disclosure.
  • FIG. 1 is a perspective view of a film manufacturing form according to an exemplary embodiment of the present disclosure
  • a film manufacturing frame 100 for manufacturing a film 10 having a fine shape is a plate made of metal or non-metallic ceramic, synthetic resin, etc. It may be formed of a sipe 110 and a protrusion plate 120 made of a material of the form.
  • the film manufacturing frame 100 may include a plurality of saipans 110 and a plurality of protrusions 120 alternately stacked with the plurality of saipans 110 in the lamination direction (A).
  • the plurality of protrusion boards 120 may be disposed to protrude by a predetermined height from the side plate 110 in a direction B perpendicular to the stacking direction A.
  • Saipan 110 may be formed in a plate shape. Sai plate 110 may be alternately disposed with the protrusion plate 120 to space the protrusion plate 120 and the protrusion plate 120 from each other. The plurality of sipes 110 may be formed to have the same thickness so that the intervals between the protrusions 140 to be described later are constant. Saipan 110 may manufacture a light-transmitting surface of a film to be described later.
  • the protrusion plate 120 may be formed in a plate shape.
  • the protrusion plate 120 may be disposed to protrude between the sai plate 110 and the sai plate 110 .
  • the protrusion plate 120 may manufacture a groove 11 forming a light-transmitting surface of a film to be described later.
  • the protrusion plate 120 may form a protruding portion, and the siding plate 110 may form a concave portion.
  • the protrusion plate 120 is for forming a micropattern having the same shape as the groove 11 in the film 10 , and the thickness w2 of the protrusion plate 120 is thinner than the thickness w1 of the siding plate 110 . can be formed.
  • the protrusion plate 120 is spaced apart from the other protrusion plate 120 immediately adjacent thereto by a predetermined distance w1 by the siding plate 110 .
  • the protrusion plates 120 may be disposed to be spaced apart by the thickness w1 of the siding plate 110 .
  • the thickness w1 of the sipe 110 is twice the thickness w2 of the protrusion board 120, the area of the light transmitting portion of the security film 10 manufactured by the film manufacturing mold 100 is 66%. can be done On the other hand, when the thickness w1 of the sipe 110 is three times the thickness w2 of the protrusion board 120 , the area of the light transmitting portion of the security film 10 manufactured by the film manufacturing mold 100 is 75%. can be done That is, the greater the thickness w1 of the sipe 110 is, the better the light transmittance of the security film is, so that a clear screen can be viewed, but the security function of the security film may be deteriorated.
  • the thickness of the light-transmitting part In the case of a security film, the thickness of the light-transmitting part must be less than 50 ⁇ m so that the fine shape is not easily visible. Accordingly, the thickness of the protrusion plate 120 may be formed to be 50 ⁇ m or less. In the film manufactured by the film manufacturing frame 100 , the light non-transmissive part is not visible to the naked eye, so that information can be transmitted smoothly through the light emitted between the light transmissive parts.
  • the thickness w1 of the siding plate 110 and the thickness w2 of the protrusion plate 120 may vary depending on the final product formed by the film manufacturing frame 100 .
  • the thickness of the siding plate 110 and the thickness of the protrusion plate 120 may be formed to be 50 ⁇ m or more because the light-transmitting part may be visible.
  • Saipan 110 and protrusion board 120 may be made of the same material. In this case, since the properties of the material are the same, physical cutting or grinding may be easy during the manufacturing process.
  • the reference surface (131, see Fig. 4b), which is a virtual surface that smoothly connects the upper surface of the saipan, which is the upper surface of the lamination unit 130, and the film-contactable surface of the upper surface of the protrusion, which will be described later, the reference surface 131 ) has the advantage that it can be performed uniformly over the entire surface.
  • the sipe 110 and the protrusion plate 120 may be made of different materials.
  • the protrusion view 140 may be formed by chemically treating or heat-treating the saipan 110 having different material properties from the protrusion plate 120 to remove a portion of the saipan 110 .
  • the remaining protrusion plate 120 may be formed to protrude by a predetermined height than the sai plate 110 .
  • the protrusion 140 can be easily formed through a partial chemical treatment or heat treatment of the saipan 110 .
  • a copper plate may be provided as the sipe 110
  • a plate including an abrasive made of a plastic material may be provided as the protrusion plate 120 .
  • the protrusion 140 may be formed by chemically treating the reference surface 131 of the lamination unit 130 on which the saipan 110 and the protrusion plate 120 are alternately stacked to remove a portion of copper that is the saipan 110 .
  • the protrusion 140 may function as a fine grinding blade during film manufacturing to form fine grooves in the film 10 .
  • the protrusion 140 is facilitated by removing only the saipan 110 made of an aluminum material by applying heat as well as chemical treatment. can be formed
  • the film manufacturing frame 100 may include a lamination part 130 and a protrusion part 140 .
  • the stacking unit 130 may include a plurality of side plates 110 and a plurality of protrusion boards 120 that are alternately stacked.
  • the stacking unit 130 may form a bottom surface and have a rectangular shape having horizontal and vertical lengths.
  • the stacking unit 130 may form a reference surface 131 on which the protrusion protrudes.
  • the reference surface 131 (refer to FIG. 4B ) provides a surface on which the film 10 is in contact to form a micro-shape such as a groove 11 in the film 10 .
  • the reference plane 131 may be formed as a flat surface.
  • the protrusion 140 may be formed to protrude from the stacking unit 130 .
  • the protrusion 140 is formed to protrude above the reference surface 131 of the stacking unit 130 , and the shape of the cross-section may be a flat stamp type formed in a plurality of bar shapes in a line.
  • the shape of the protrusion 140 is not limited thereto, and may be formed in a round shape in which the protruding portions are connected by a curve, an inclined shape having a slope, or a checkerboard shape formed by a grid.
  • the film production mold 100 is a stamp type
  • the reference surface 131 is a flat flat stamp type, a curved stamp type with a curvature in the shape connecting the protruding parts, and an inclined stamp type with an inclined plane.
  • it can be formed in a lattice stamp type like a checkerboard shape in which a stamp-type laminate is cut and a grid is formed in the middle.
  • the film manufacturing mold may be one of a flat stamp type, an inclined stamp type, and a curved stamp type as a stamp type.
  • the film manufacturing frame 100 may be formed to have a protrusion 140 and a concave portion formed by alternately stacking a plurality of siding plates 110 and a plurality of protrusion plates 120 formed in a plate shape to protrude.
  • the film manufacturing mold 100 is easy to manufacture because its structure and shape are simple. A method of manufacturing the film manufacturing mold will be described later in detail with reference to FIG. 3 .
  • the height h of the protrusion 140 may be formed to be greater than the length w1 of the thickness w1 of the siding plate 110 .
  • the height h of the protrusion 140 is formed to be twice the length of the thickness w1 of the sipe 110, when the transparent portion has the same refractive index as air, there is an effect of limiting the viewing angle of about 30°.
  • the conventional film manufacturing mold forms the protrusion by fine cutting, grinding, or etching method, when the height of the protrusion is manufactured to be more than twice the thickness of the sipe, the precision is lowered, and it is difficult to keep the angle of the protrusion constant.
  • the protrusion 140 may be formed by adjusting the height of the protrusion plate 120 , thereby increasing precision.
  • the protrusion 140 may be formed only by moving the position of the protrusion plate 120 , and thus may be formed to form a predetermined angle with respect to the height direction of the protrusion 140 .
  • the film manufacturing frame 100 is manufactured through the alternating arrangement of the plate-shaped sipe 110 and the protrusion plate 120, the shape of the first plate is not damaged or distorted, so there is an advantage that the quality can be maintained the same. .
  • the film manufacturing frame 100 may further include a holder 150 for fixing the plurality of siding plates 110 and the plurality of protrusion plates 120 in a stacked state.
  • the fixing table 150 will be described in detail with reference to FIGS. 4 and 5 .
  • FIG. 2A is a view showing a method of manufacturing a film using a film manufacturing mold according to an exemplary embodiment of the present disclosure
  • FIG. 2B is a perspective view of a film manufactured using a film manufacturing mold.
  • the film manufacturing frame 100 may include a lamination part 130 and a protrusion 140 protruding from one side of the lamination part 130 .
  • a groove 11 having a trough structure can be formed in the synthetic resin film 10 by the protrusion 140.
  • the film manufacturing frame 100 may reciprocate along the longitudinal direction of the protrusion 140 to manufacture the film 10 having the microgrooves 11 .
  • Such a film manufacturing mold 200 is called a stamp-type film manufacturing mold.
  • the groove 11 When the groove 11 is formed in the film 10 by the film manufacturing frame 100 , the groove 11 forms a light-transmitting portion, and a portion adjacent thereto can form a light-transmitting portion.
  • a security film may be manufactured by filling the groove 11 with colored ink to form a light-transmitting part, and coating a transparent film on the light-opaque part and the outer peripheral surface of the light-transmitting part.
  • FIG. 3 is a flowchart illustrating a method of manufacturing a film manufacturing mold according to an exemplary embodiment of the present disclosure.
  • the step (S310) of alternately laminating a saipan 110 and a protrusion plate 120 and a saipan 110 and a protrusion plate (120) is configured to include a step (S320) of fixing the alternately stacked stacked body 101 to a fixing bar.
  • one end surface of the laminate consisting of the alternatingly laminated saipan 110 and the protruding plate 120 is processed It may further include the step of
  • the step of fixing the stacked body to the fixing rod (S320) may be configured by moving the protruding plate 120 disposed between the siding plates 110 in the direction of one end of the stacked body and fixing it with the fixing rod.
  • the step of fixing the laminate to the fixing rod may consist of a method of fixing the laminate to the fixing rod before removing a part of the saipan 110 from the laminate by chemical treatment or heat treatment, It may be fixed from the outside without penetrating, and by treating the inner surface or outer surface of the laminate with an adhesive, a film production frame in a state in which the holder is removed in the final form may be manufactured.
  • the protrusion 140 is formed by alternately stacking the protrusion plate 120 and the saipan 110 with the protrusion plate 120 manufactured to be larger than the saipan 110 by the height of the protrusion 140 .
  • the film manufacturing template 100 Since the method for manufacturing the film manufacturing template 100 according to an exemplary embodiment of the present disclosure forms the protrusions 140 by laminating the sipe 110 and the protrusion plate 120, the film manufacturing template 100 is higher than the conventional method. ) can be manufactured simply and easily. In this case, it is possible to easily manufacture a film manufacturing mold including the protrusions 140 having various shapes. Accordingly, various micro-shapes can be formed on the film 10 , so the utilization is high.
  • 4A to 4C are diagrams illustrating a method of manufacturing a film manufacturing frame according to an exemplary embodiment of the present disclosure.
  • the method of manufacturing a film manufacturing frame 100 may include preparing a plate-shaped siding plate 110 and a protrusion plate 120 .
  • the thickness of the siding plate 110 and the protrusion plate 120 are different from each other, they may be configured in a shape having the same area.
  • the length of the thickness w1 of the side plate 110 may be greater than the length of the thickness w2 of the protrusion plate 120 .
  • Saipan 110 may include a plurality of first fixing holes 111 and first support holes 113 .
  • the first fixing hole 111 and the first support hole 113 may be formed at the same height.
  • a second fixing hole 121 and a second support hole 123 may be formed in the protrusion plate 120 .
  • the second fixing hole 121 may be formed at a lower height than the first fixing hole 111
  • the second supporting hole 123 may be formed at the same height as the first supporting hole 113 .
  • the second fixing hole 121 may be formed at a position where the height difference from the first fixing hole 111 is different by the height of the protrusion 140 .
  • the prepared plate-shaped siding plate 110 and protrusion plate 120 are alternately stacked in the stacking direction.
  • a siding plate 110 and a protrusion plate 120 may be stacked to form a laminate 101 .
  • the stacked body 101 may be temporarily fixed by the temporary fixing unit 155 .
  • the temporary fixture 155 is disposed to pass through the first support hole 113 of the saipan 110 and the second support hole 123 of the protrusion plate 120 to stack the sai plate 110 and the protrusion plate 120 . state can be fixed.
  • the reference surface 131 is a surface in contact with the film 10 , and may include an upper surface of the protrusion 140 and an upper surface of the sipe of the laminate 130 on which the protrusion 140 is formed.
  • a surface connecting the upper surface of the protrusion 140 and the upper surface of the sipe is referred to as a reference surface 131 .
  • the imaginary surface connecting the upper surface of the protrusion 140 and the imaginary surface connecting the upper surface of the saipan may coincide with each other, so that there may be one reference surface.
  • the reference surface 131 on which the protrusion 140 is formed in the laminate 101 may be machined.
  • the reference surface 131 may be formed in a flat surface and may be formed perpendicular to the direction of the protrusion 140 .
  • the reference surface 131 of the laminate 101 may be processed to have a predetermined roughness. Specifically, the reference surface 131 may be machined into a sawtooth shape so that the protrusion 140 acts like a saw blade.
  • the reference surface 131 may be plated or coated. Specifically, in order to increase the strength of the protrusion 140 and improve the releasability of the surface of the film manufacturing mold 100, it may be plated with a metal such as chromium (Cr), and may be coated with DLC coating.
  • a metal such as chromium (Cr)
  • a gap between the contact surface of the sipe 110 and the protrusion plate 120 may be filled.
  • the film 10 having the groove 11 is formed by transferring the film onto the film manufacturing frame 100 , it is possible to prevent the liquid resin from entering the gap between the contact surface of the sipe 110 and the protrusion plate 120 . there is.
  • the reference surface 131 is formed as a flat surface, the reference surface 131 is not limited thereto and may be processed to form various shapes such as a curved surface or an inclined surface.
  • the protrusion 140 may be formed by disposing the protrusion plate 120 disposed between the siding plates 110 to protrude in a direction perpendicular to the stacking direction.
  • the protrusion plate 120 may be disposed to protrude from the side plates 110 .
  • the protrusion plate 120 may be moved in a direction perpendicular to the stacking direction so as to protrude more than twice the length of the thickness w1 of the siding plate. Accordingly, the protrusion 140 may be formed such that the height h is at least twice the length of the thickness w1 of the siding. In the film manufacturing mold 100 according to an embodiment of the present disclosure, the height h of the protrusion 140 can be easily adjusted by protrudingly disposing and stacking the protrusion plates 120 .
  • the protrusion 140 of the film manufacturing frame 100 may be formed to have twice the height of the thickness w1 of the sipe 110 .
  • the height of the protrusion 140 can be adjusted by adjusting and fixing the lamination position of the protrusion plate 120 , so a high degree of precision is not required during the manufacturing process. This simple, it is possible to keep the angle of the projections constant.
  • the film manufacturing mold 100 according to an embodiment of the present disclosure can adjust the lamination position of the protrusion board 120 after surface processing, there is an advantage in surface processing.
  • the temporarily fixed temporary holder 155 is removed from the first support hole 113 and the second support hole 123, and the holder 150 is removed.
  • the protrusion 140 may be formed by disposing it to pass through the first fixing hole 111 and the second fixing hole 121 .
  • the protrusion 140 may be formed to have a protrusion height equal to a height difference between the first fixing hole 111 and the second fixing hole 121 .
  • Make a laminate by moving it downward and then clamping it on both sides of the holder to make a laminate, machine the reference plane, and then loosen the holder of the laminate. Turn the laminate upside down or use a magnet to move the protruding plate and fix it with the fixing rod to make a fine mold. can also be produced.
  • the protrusion plate 120 is formed by the height of the protrusion 140 rather than the sipe 110 .
  • it may be configured in a method of stacking to protrude further in the direction of the reference plane 131 .
  • the film manufacturing frame 100 may be manufactured by arranging the holder 150 in the first fixing hole 111 and the second fixing hole 121 .
  • the manufacturing method of the film manufacturing template 100 is not limited thereto.
  • a protrusion plate 120 formed to be larger than the height of the protrusion 140 may be prepared.
  • the first fixing hole formed in the side plate 110 and the second fixing hole formed in the protrusion plate 120 may be formed to be positioned at the same height from the bottom surface.
  • the film manufacturing frame 100 may be manufactured by disposing the fixing base 150 in the first fixing hole 111 and the second fixing hole 121 .
  • FIG 5 is a view for explaining a fixing base according to an exemplary embodiment of the present disclosure.
  • the fixing base 150 may include an elastic member 151 and a fixing rod 153 .
  • the elastic member 151 is made of a thin plate and may be formed in a rolled shape.
  • the fixing rod 153 may be formed to surround the outer circumference of the elastic member 151 . While the fixing rod 153 tightens and stretches the elastic member 151 , the diameter of the elastic member 151 may be adjusted.
  • the fixing rod 150 shown on the left in FIG. 5 is a state in which the diameter of the elastic member 151 is reduced by the fixing rod 153 rolling and tightening the elastic member 151 .
  • the holder 150 can be easily inserted or removed from the fixing hole.
  • the fixing rod 150 shown on the right in FIG. 5 the winding of the fixing rod 153 is released and the thin plate constituting the elastic member 151 is unwound, and the diameter of the elastic member 151 is increased.
  • the fixing table 150 may be loosened to fit the size of the fixing hole 111 and fixed in close contact with the fixing hole 111 to fix the sai plate 110 and the protruding plate 120 .
  • the fixing rod 150 may be inserted and disposed in the first fixing hole 111 and the second fixing hole 121 in a state in which the elastic member 151 is rolled by the fixing rod 153, and the protrusion plate 120 and When the elastic member 151 of the fixing rod 153 is unwound in a state in which the sipe 110 is stacked, the elastic member 151 may be fixed in close contact with the fixing hole 111 .
  • the temporary fixture 155 may be configured similarly to the fixture 150 .
  • 6A to 6F are views illustrating a method of manufacturing a film manufacturing frame and a method of manufacturing a film using the same according to another exemplary embodiment of the present disclosure.
  • the manufacturing method of the film manufacturing formwork 200 according to another exemplary embodiment of the present disclosure is different from the film manufacturing formwork manufacturing method described in FIG. 4 in that the reference surface 231 of the laminate 201 is formed as a curved surface. .
  • FIG. 6 parts with differences will be mainly described.
  • it may include preparing a plate-shaped saipan 210 and a protrusion plate 220 , and laminating the prepared saipan 210 and the protrusion plate 220 .
  • a siding plate 210 and a protrusion plate 220 may be stacked to form a laminate 201 .
  • the stacked body 201 may be temporarily fixed by the temporary fixing unit 155 .
  • Temporary fixture 255 is disposed to pass through the first support hole 213 of the sai plate 210 and the second support hole 223 of the protrusion plate 220 to laminate the sai plate 210 and the protrusion plate 220 . state can be fixed.
  • the reference surface 231 on which the protrusion 240 is formed may be machined.
  • the reference surface 231 may be formed as a curved surface.
  • the protrusion plate 220 disposed between the siding plates 210 may be disposed to protrude in a direction perpendicular to the stacking direction to form the protrusion 240 .
  • the imaginary reference surface 231a extending from the upper surface of the protrusion 240 and the upper surface of the sipe of the stacking unit 230 may be formed as a curved surface.
  • the upper surface of the laminate 201 may be formed to have a predetermined curvature by cutting or grinding.
  • the protrusion plate 220 may be disposed to protrude from the side plates 210 .
  • the protrusion 240 of the film manufacturing frame 200 may be formed to have a height of at least twice the thickness w1 of the sipe 210 .
  • the temporarily fixed temporary holder 255 is removed from the first support hole 213 and the second support hole 223 , and the holder 250 is removed.
  • the protrusion 240 may be formed by disposing it to pass through the first fixing hole 211 and the second fixing hole 221 .
  • the protrusion 240 may be formed to have a protrusion height equal to the height difference between the first fixing hole 211 and the second fixing hole 221 .
  • the synthetic resin film 20 is disposed on the film manufacturing frame 200 and the corrugated structure groove 21 in the synthetic resin film 20 by the protrusion 240 protruding from the outer circumferential surface of the lamination part 230. can form.
  • the film manufacturing frame 200 may be transferred to the film by reciprocating in parallel to the longitudinal direction of the protrusion 240 to polish the film or by reciprocating in parallel to the height direction of the protrusion.
  • a film manufacturing mold 200 is called a stamp type.
  • the film manufacturing frame 200 may manufacture the film 20a in which the groove 21 is formed.
  • the film thus formed may have a curved surface corresponding to the reference surface 231 of the film manufacturing frame 200 .
  • the protrusions 240 are all disposed perpendicular to the stacking direction of the stacking parts 230 , but each of the protrusions has a different angle with respect to the reference plane 231 . can be formed to achieve
  • the film in which the groove 21 is formed on a curved surface may be disposed on a flat surface.
  • the film manufactured with the film manufacturing frame 200 having the reference surface 231 formed as a curved surface is disposed on a plane, the film 20 having the grooves 21 of various angles can be manufactured.
  • the grooves 21 of the film 20 are arranged in an inclined shape to face a certain direction, so that the outside of the film 20 looks the same brightness at a specific location, and the security-reinforced focus-type security film on the back side of the observer Or it can be used as a focal type blinder.
  • FIG. 7 is a perspective view of a film manufacturing frame according to another exemplary embodiment of the present disclosure.
  • the reference surface 331 may be formed of an inclined surface having a predetermined angle with respect to the lamination direction of the lamination unit 330 .
  • the virtual reference surface 331a extending from the upper surface of the protrusion 340 and the upper surface of the stacking unit 330 may be formed as a plane inclined at a predetermined angle ⁇ with respect to the direction of the protrusion 340 . That is, the reference plane 331 may be formed as a plane inclined to form a predetermined angle ⁇ with the protrusion 340 .
  • the film 10 having the vertical groove 11 may be manufactured.
  • the projection 340 may form a groove inclined at a predetermined angle ⁇ in the film.
  • Such a film manufacturing frame 300 can manufacture a film that is well visible at a predetermined angle ( ⁇ ). Such a film can be used as a window blinder because a place inclined at a predetermined angle ( ⁇ ) is best seen.
  • FIG. 8 is a perspective view of a film manufacturing frame according to another exemplary embodiment of the present disclosure.
  • the side plate 410 and the protrusion plate 420 of the film manufacturing frame 400 may be formed in a corrugated shape.
  • the siding plate 110 and the protruding plate 120 of the film manufacturing frame 100 described in FIG. 1 are provided in a planar form, and the part with the difference explained in the center.
  • the protrusion plate 420 and the side plate 410 may be formed so that surfaces stacked on each other have irregularities. In this case, the unevenness formed on the protrusion plate 420 and the side plate 410 may be formed to engage with each other.
  • the unevenness formed on the protrusion plate 420 and the side plate 410 may be formed in a regular pattern. As shown in FIG. 8 , the cross-sections of the protrusion plate 420 and the side plate 410 may be formed in a shape in which triangles are regularly spaced apart. On the other hand, the cross-section of the unevenness is not limited thereto, and may be formed in an isosceles triangle, a triangle in which the vertices are cut, and a shape in which the vertices are round. When the concave-convex structure is regularly arranged, the trajectory of the protrusion 440 on the reference plane may be expressed as a wave pattern or the like.
  • the uneven structure may be formed in an irregular pattern.
  • the uneven structure may be formed in various patterns, such as a sawtooth shape.
  • the film manufactured by the film manufacturing frame 400 according to an embodiment of the present disclosure has an effect similar to the film in which the light-transmitting layer is formed in a grid shape.
  • 9A and 9B are views showing a film manufacturing frame and a film manufactured using the same according to another exemplary embodiment of the present disclosure.
  • the reference surface 531 including the upper surface of the protrusion 540 and the upper surface of the stacking unit 530 may be formed as a flat surface.
  • a character pattern 550 corresponding to a character shape may be formed on the reference surface 531 .
  • the character pattern 550 may include a portion 551 formed on the upper surface of the stacking unit 530 or a portion 553 formed on the upper surface of the protrusion 540 .
  • FIG. 9A shows a film manufacturing frame 500 in which the characters “JEONGKI” are formed by way of example.
  • the character pattern 550 may be formed in the step of processing the reference surface 531 .
  • the protrusion part 540 is fixedly arranged to protrude. It is possible to manufacture a film manufacturing mold 500 according to the.
  • a film 50 on which the character shape 550 of the reference plane 531 is transferred can be manufactured.
  • the film 50 may be used as a film that provides various types of information through the character shape 550 having visibility.
  • FIGS. 10 to 13 are perspective views of a film manufacturing form according to still another exemplary embodiment of the present disclosure.
  • a film manufacturing mold 600 may be formed in a roller shape.
  • the film manufacturing frame 600 may include a plurality of siding plates 610 and a plurality of protrusion plates 620 alternately stacked with the plurality of sai plates 610 in a lamination direction.
  • the plurality of protrusion boards 620 may be disposed to protrude more than the side plates 610 in a direction perpendicular to the stacking direction.
  • the siding plate 610 and the protrusion plate 620 may be formed in a disk shape.
  • the siding plate 610 and the protrusion plate 620 may be formed to have different diameters.
  • the protrusion plate 620 may be formed of a disk having a larger diameter than that of the siding plate 610 .
  • the protrusion 640 may be formed to have a height equal to the difference in radius between the protrusion plate 620 and the siding plate 610 .
  • the sipe 610 and the protrusion plate 620 may each have a through hole (not shown) which is a through hole formed through the center of the circular plate.
  • the through hole is used as a fastening part for fixing the stacked body by inserting and mounting a fixing bar 650 to fix the laminated sipe plate 610 and the protruding plate 620, and may be used as a central axis during rotation.
  • the siding plate 610 and the protrusion plate 620 may be stacked based on a through hole that is the center of the original plate.
  • the stacked protrusion board 620 may be formed to protrude from the outer periphery of the sipe 610 .
  • the film manufacturing frame 600 has a structure in which a sai plate 610 and a protruding plate 620 having different diameters are stacked in multiple stages to protrude, and the portion where the sai plate 610 and the protruding plate 620 face each other is a lamination part 630 , and a portion protruding from the sipe 610 constitutes the protrusion 640 .
  • the protrusion 640 may be formed to protrude along the outer diameter of the disk shape of the stacking unit 630 .
  • the roller-type film manufacturing mold 600 may be formed in two cylindrical shapes having different sizes on the reference plane, and this shape may be referred to as a cylindrical roller type or a basic roller type.
  • the roller-type film manufacturing mold 600 may be formed by transferring or grinding a groove by rotating on the film.
  • the film manufacturing mold may be one of a roller type, a cylindrical roller type, as well as a conical roller type, a concave cylindrical roller type, a convex cylindrical roller type, and a belt type. It will be described in detail below.
  • a film manufacturing frame 700 may be formed in a conical shape.
  • the film manufacturing frame 700 may be formed in a cone-shaped roller type.
  • the film manufacturing frame 700 may include a conical lamination part 730 , a protrusion part 740 , and a holder 750 functioning as a rotation shaft.
  • the film manufacturing frame 700 is stacked alternately with a plurality of saipan 710 and a plurality of saipan 710 having different sizes in the lamination direction, and a plurality of protruding plates 720 and a plurality of saipanes having different sizes are alternately stacked. It may include a holder 750 for fixing the 710 and the protrusion plate 720 .
  • the film manufacturing template 700 may be manufactured in such a way that the siding plate 710 and the protrusion plate 720 are stacked in multiple stages so that the protrusion plate 720 protrudes.
  • the sipe 710 and the protrusion plate 720 may be formed in a disk shape.
  • the plurality of siding plates 710 and the plurality of protrusion plates 720 may be formed to have different diameters, respectively.
  • a plurality of sipes 710 may be prepared as discs having diameters different from each other by a predetermined length to form a cone shape in a stacked state.
  • the protrusion plate 720 may be formed to have a diameter greater than that of the siding plate 710 by the height of the protrusion 740 .
  • the film manufacturing frame 700 has a structure in which a sai plate 710 and a protrusion plate 720 having different sizes of diameter are stacked in multiple stages, and the portion where the sai plate 710 and the protrusion plate 720 face is a lamination part 730 ), and a portion protruding from the protrusion plate 720 constitutes the protrusion 740 .
  • the roller-type film manufacturing mold 700 may be formed in the shape of two cones having different sizes as much as the height of the projection on the reference plane.
  • a line connecting imaginary lines located on the upper portion in the stacking direction of the reference plane is referred to as a reference line
  • the reference line is in the form of a straight line and may be formed to have a predetermined angle with respect to the height direction of the projections.
  • the roller-type film manufacturing mold 700 may rotate on the film to form a groove.
  • the film production mold 700 may further include a roller 760 corresponding to the film production mold 700 .
  • the roller 760 may be disposed to face the film manufacturing frame 700 .
  • the film 70 is inserted between the roller 760 and the film production mold 700 to transfer a fine shape, such as a groove, to the film 70 by the rotation of the roller 760 and the film production mold 700 . .
  • the roller 760 and the film manufacturing frame 700 may rotate in opposite directions to form a groove corresponding to the protrusion 740 in the film 70 disposed therebetween.
  • the film manufacturing mold 800 may be formed in a concave cylindrical shape roller type in which the diameter of the middle portion is smaller than the diameter of the outer portion.
  • the film manufacturing frame 800 may include a protrusion 840 formed to protrude from the lamination portion 830 having a concave cylindrical shape in the middle, and a holder 850 serving as a rotation axis.
  • the film manufacturing frame 800 may be formed by stacking a plurality of siding plates 810 and a plurality of protrusion plates 820 having different sizes.
  • the film manufacturing frame 900 may have a curved reference line and a concave middle portion.
  • the film manufacturing mold 800 has been described as a cylindrical roller type with a concave middle portion, but the present invention is not limited thereto and may be formed as a cylindrical roller type with a convex intermediate portion.
  • the siding plate 810 and the protrusion plate 820 may be formed in a disk shape.
  • the plurality of sipes 810 may be prepared so that their diameters are different by a predetermined length to form a concave cylindrical shape in the middle in a stacked state.
  • the protrusion plate 820 may be formed to have a diameter greater than that of the siding plate 810 by the height of the protrusion 840 .
  • a concave cylindrical roller-type film production mold or a convex cylindrical roller-type film production mold in which the reference line is curved and the reference plane differs by the height of the projections is two laminates to match the reference surface of the projection and the reference surface of the laminate by laminating a protrusion plate and a sipe
  • a three-dimensional roll can be produced by manufacturing and assembling in order by crossing the protrusion plate and the siding plate in each laminate. It is very difficult to manufacture such a cylindrical roller-type film manufacturing mold with a bite or a diamond turning machine.
  • the film manufacturing mold 900 may be formed in a belt shape.
  • the belt-type film production mold 900 may be composed of a belt 901 and a pair of rollers 961 and 963 connecting a replica mold manufactured with the aforementioned stamp-type or roller-type film production mold, so that the center of the roller Shaft 961 functions as a fixture for the film making mold.
  • the protrusion of the multilayer body, which is the prototype of the replica mold, can be manufactured opposite to the pattern to be transferred.
  • the replica mold may be formed to have a protrusion formed in a shape to engage with the protrusion of the film production frame. That is, in the replica mold, the protrusion may be formed while the space between the protrusion and the protrusion is transferred or polished in the original film production mold.
  • the belt 901 may include a similar stacked portion 930 and a protrusion 940 protruded from the similar stacked portion 930 .
  • the similar stacking unit 930 may be seated on the pair of rollers 961 and 963 and rotate together in association with the rotation of the rollers 961 and 963 .
  • the similar lamination part 930 forms the bottom surface of the belt 901, is formed of a rubber material having a predetermined elasticity, and may be disposed to wrap the outer peripheral surfaces of the pair of rollers 961 and 963 with a constant elastic force.
  • the protrusion 940 may protrude from the similar stacked portion 930 .
  • the protrusion 940 may protrude from the outer surface of the similar stacked portion 930 and may be formed in a plurality of bar shapes in a line.
  • the shape of the protrusion 940 is not limited thereto, and the protruding portion may be formed in an inclined shape inclined at one or various angles. can be deformed so that it can be formed in a grid shape like a checkerboard.
  • the belt-type film manufacturing frame 900 may include a curved portion 903 having a reference surface in contact with the pair of rollers 961 and 963 and a flat portion 902 between the pair of rollers 961 and 963 .
  • the belt-type film manufacturing mold 900 can manufacture the film 90 having the microgrooves 91 while the belt 901 is rotationally moved.
  • the belt 901 forming the flat portion 902 is rotated in contact with the outer circumferential surface of a pair of rollers 961 and 963 corresponding to both sides of the belt 901. Since the groove 91 is transferred onto the resin, it is possible to transfer the groove 91 stably and continuously.
  • the film 90 passes through the flat portion 902 in the curved portion 903 in contact with the rollers 961 and 963 and a groove 91 is formed, the liquid resin passes through the flat portion 902 while passing through the groove 91. This can be transferred and cured into a solid pattern.
  • the film 90 is cured as it comes out of the film manufacturing frame 900 having elasticity, not only the groove 91 perpendicular to the film 90 surface, but also the groove 91 inclined in one direction or in various directions on the film surface. can also be easily manufactured.
  • the film 90 having the grooves 91 formed in one direction is transferred to the belt-type film manufacturing mold 900 and manufactured in the other direction, and the grooves are polished in the other direction with a stamp-type micro-type or roll-type micro-type to form a grid-type groove.
  • a stamp-type micro-type or roll-type micro-type can be formed or the grid-shaped grooves can be formed at once with a grid-type belt.
  • the belt-type film manufacturing mold 900 can be manufactured by using a replica mold duplicated by using a film manufacturing mold formed by laminating a sipe and a protrusion plate as one configuration.
  • a replica mold may be manufactured on the film using the film manufacturing mold 100 described in FIG. 1 , and one end and the other end of the film may be connected to form a belt.
  • the belt-type film manufacturing mold 900 has a protrusion 940, which is a variation of the laminate, a similar lamination part 930, and a fixture 963, and a pair of rollers 960 connected by two axes rotate to rotate the protrusion ( 940), so it is an example of a roller-type film manufacturing mold.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Une matrice de fabrication de film pour fabriquer un film présentant des formes minuscules formées sur celui-ci selon un aspect de la présente invention comprend : une pluralité de plaques interposées ; une pluralité de plaques en saillie stratifiées en alternance avec la pluralité de plaques interposées ; et un cadre de fixation pour fixer un stratifié composé de la pluralité de plaques interposées et de la pluralité de plaques en saillie stratifiées en alternance. La pluralité de plaques en saillie sont disposées de manière à faire saillie à une hauteur prédéterminée au-dessus de la pluralité de plaques interposées et peuvent ainsi former des parties en saillie.
PCT/KR2021/016556 2020-11-12 2021-11-12 Matrice pour la fabrication d'un film, procédé pour sa fabrication et film ainsi fabriqué WO2022103204A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2020-0151007 2020-11-12
KR20200151007 2020-11-12
KR1020210045911A KR102587938B1 (ko) 2020-11-12 2021-04-08 필름 제조 형틀, 그 제조 방법 및 이에 의해 제조된 필름
KR10-2021-0045911 2021-04-08

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WO2022103204A1 true WO2022103204A1 (fr) 2022-05-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040012563A (ko) * 2002-08-01 2004-02-11 가부시끼가이샤 히다치 세이사꾸쇼 스탬퍼와 스탬퍼를 사용한 패턴 전사방법 및 전사 패턴에의한 구조체의 형성방법
KR20080008220A (ko) * 2007-06-18 2008-01-23 (주)나노솔루션 미세 패턴 필름 제조장치
KR101303118B1 (ko) * 2012-04-27 2013-09-06 주식회사 퓨어메이트 보안 필름용 패턴 필름의 제작을 위한 마이크로 몰드와 그 제조방법
JP2014139007A (ja) * 2012-12-21 2014-07-31 Asahi Kasei E-Materials Corp 微細パタン形成用積層体及び微細パタン形成用フィルムロール並びに微細パタン形成用積層体の搬送方法
KR20150078976A (ko) * 2013-12-31 2015-07-08 한국전기연구원 리소그래피와 양극산화법으로 제조한 초발수용 몰드와 이 몰드로 제조한 초발수 재료

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040012563A (ko) * 2002-08-01 2004-02-11 가부시끼가이샤 히다치 세이사꾸쇼 스탬퍼와 스탬퍼를 사용한 패턴 전사방법 및 전사 패턴에의한 구조체의 형성방법
KR20080008220A (ko) * 2007-06-18 2008-01-23 (주)나노솔루션 미세 패턴 필름 제조장치
KR101303118B1 (ko) * 2012-04-27 2013-09-06 주식회사 퓨어메이트 보안 필름용 패턴 필름의 제작을 위한 마이크로 몰드와 그 제조방법
JP2014139007A (ja) * 2012-12-21 2014-07-31 Asahi Kasei E-Materials Corp 微細パタン形成用積層体及び微細パタン形成用フィルムロール並びに微細パタン形成用積層体の搬送方法
KR20150078976A (ko) * 2013-12-31 2015-07-08 한국전기연구원 리소그래피와 양극산화법으로 제조한 초발수용 몰드와 이 몰드로 제조한 초발수 재료

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