WO2020141875A1 - Structure de motif photofonctionnel, dispositif d'authentification le comprenant et son procédé de fabrication - Google Patents

Structure de motif photofonctionnel, dispositif d'authentification le comprenant et son procédé de fabrication Download PDF

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Publication number
WO2020141875A1
WO2020141875A1 PCT/KR2020/000010 KR2020000010W WO2020141875A1 WO 2020141875 A1 WO2020141875 A1 WO 2020141875A1 KR 2020000010 W KR2020000010 W KR 2020000010W WO 2020141875 A1 WO2020141875 A1 WO 2020141875A1
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WO
WIPO (PCT)
Prior art keywords
diffraction pattern
light
pattern
outside
diffraction
Prior art date
Application number
PCT/KR2020/000010
Other languages
English (en)
Korean (ko)
Inventor
김현석
Original Assignee
김현석
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김현석 filed Critical 김현석
Publication of WO2020141875A1 publication Critical patent/WO2020141875A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
    • B41F16/004—Presses of the reciprocating type
    • B41F16/0046—Presses of the reciprocating type with means for applying print under heat and pressure, e.g. using heat activable adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
    • B41F16/006—Arrangements for moving, supporting or positioning the printing foil or band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
    • B41F16/0073—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products
    • B41F16/008—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products for printing on three-dimensional articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/30—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on curved surfaces of essentially spherical, or part-spherical, articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0403—Drying webs
    • B41F23/0423—Drying webs by convection
    • B41F23/0426—Drying webs by convection using heated air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
    • B41P2219/22—Guiding or tensioning the printing foil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/40—Material or products to be decorated or printed
    • B41P2219/43—Three-dimensional articles

Definitions

  • the present specification relates to a color light functional pattern structure, an authenticity discrimination device including the same, and a manufacturing method thereof.
  • DOE Diffraction Optical Element
  • DOE By using DOE, it is possible to distribute light to a desired location while minimizing light loss, thereby minimizing power use and embodying various forms according to light sources.
  • commercialization of DOE products is urgent as it is not yet possible that products using DOE have been commercialized.
  • a device capable of determining authenticity can be manufactured.
  • Recently, the frequency of counterfeiting of expensive items such as software, CDs, DVDs, securities, liquor, and drugs has increased. It can be said to be a necessary technology when the loss of reliability and the damage of consumers are reported.
  • a hologram may be mentioned, but there is a limit to information that can be recorded as a hologram, and there is a problem that it is difficult to produce a sophisticated hologram. In addition, there is a problem that replication is very easy.
  • Another product is a product that can identify authenticity by recognizing an image with a smartphone by entering information into the image, such as a QR code.
  • Such an image-based product may give an aesthetic characteristic, but there is a problem in that high-quality scanner technology is developed and the technology becomes more and more advanced, so that reproduction becomes very easy.
  • the present specification provides a photo-functional pattern structure, an authenticity discrimination device including the same, and a method for manufacturing the same.
  • An exemplary embodiment of the present specification includes two or more structures including a diffraction pattern capable of reflecting or transmitting light incident from the outside in a specific shape,
  • the two or more structures are arranged with an intrinsic distance of the diffraction pattern in the plane direction of the structures,
  • the intrinsic distance of the diffraction pattern provides an optical functional pattern structure determined according to the diffraction pattern included in the structure through which the light first passes.
  • Another exemplary embodiment of the present specification provides an authenticity determination device including the optical functional pattern structure.
  • Another exemplary embodiment of the present specification includes the steps of forming two or more structures by independently forming diffraction patterns on two or more base films;
  • the diffraction pattern of the first structure in which light incident from the outside of the structure is first incident, the diffraction pattern so that the diffracted light transmitted through the first structure can reach a specific position of the second incident structure It provides a method for manufacturing a photo-functional pattern structure comprising the step of allowing the first and second structures to be arranged at a specific distance.
  • the photo-functional pattern structure according to an exemplary embodiment of the present specification is difficult to replicate the diffraction pattern included in a plurality of structures, and it is impossible to determine the intrinsic distance of the diffraction patterns between the plurality of structures, so that the same product cannot be produced except by the manufacturer.
  • the consumer can easily determine whether the authenticity, thereby improving the reliability of the enterprise, minimizing consumer damage, and the like.
  • FIG 1 shows the principle of operation of the optical functional pattern structure according to one embodiment of the present specification.
  • FIG. 2 is a view showing an exemplary embodiment of the second structure 220.
  • FIG. 3 is a diagram illustrating when the photo-functional pattern structure according to an exemplary embodiment of the present specification is arranged at a distance 410 rather than an intrinsic distance to a diffraction pattern.
  • FIG. 5 illustrates an example in which the types of light incident from the outside according to an exemplary embodiment of the present specification have at least one range independently selected from 647 nm to 723 nm, 492 nm to 575 nm, and 455 nm to 492 nm, respectively.
  • FIG. 9 shows a first structure having a protective layer according to an exemplary embodiment of the present specification.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from other components.
  • first component may be referred to as a second component without departing from the scope of the present invention, and similarly, the second component may be referred to as a first component.
  • An exemplary embodiment of the present specification includes two or more structures including a diffraction pattern capable of reflecting or transmitting light incident from the outside in a specific shape, wherein the two or more structures have a diffraction pattern intrinsic distance in the plane direction of the structure ( 400), and the diffraction pattern intrinsic distance 400 provides an optical functional pattern structure determined according to a diffraction pattern included in the structure through which the light first passes.
  • the number of the two or more structures including the diffraction pattern is not particularly limited. As the number increases, the difficulty of replication increases. For simplicity, it can be composed of two structures, but can be selected from 2 to 10 if necessary.
  • the intrinsic distance 400 of the diffraction pattern may be determined according to the position of the diffraction pattern included in the structure through which light first passes, and then the diffraction pattern of the structure through which light reaches. It will be described in detail through the drawings later.
  • the two or more structures include a first structure 210 including a first diffraction pattern 320; And a second structure 220 including a second diffraction pattern 310, and light incident from the outside transmitted through the first structure 210 is diffracted by the first diffraction pattern 320.
  • An optical functional pattern structure that passes through the pattern intrinsic distance 400 and enters a specific area on the second structure 220 is provided.
  • FIG. 1 shows the principle of operation of the optical functional pattern structure according to one embodiment of the present specification.
  • light 101 incident from the outside may first pass through the first structure 210.
  • the first structure 210 may disperse light through the first diffraction pattern 320.
  • the scattered light passes through the diffraction pattern intrinsic distance 400 and reaches the second structure 220.
  • the second structure 220 may include two or more second diffraction patterns 310, and the reached light may transmit a predetermined shape according to the second diffraction pattern 310 in a specific region.
  • the second structure 220 may be provided as an area having n diffraction patterns. Each of the n regions may have a different diffraction pattern, and the light may pass through the first diffraction pattern 320 to be scattered by the first diffraction pattern 320 to reach the first region by the diffraction pattern corresponding to the region. 2
  • the light passing through the structure can form a specific image. This is not limited to the case where the structure is two, and can be applied to two or more structures.
  • FIG. 3 is a diagram illustrating when the photo-functional pattern structure according to one embodiment of the present specification is arranged at a distance other than the intrinsic distance 400 of the diffraction pattern.
  • a structure is provided at a distance other than the intrinsic distance 400 of the diffraction pattern
  • light transmitted through the first structure 210 is another second diffraction pattern 310 of the second structure 220
  • the light transmitted through the second structure 220 forms a different image from that arranged when the diffraction pattern has an intrinsic distance 400.
  • the first structure 210 and the second structure 220 refer to a structure in which light first reaches and a structure in which the next light arrives, and necessarily indicates a structure in which the first light reaches and a structure in which the next light reaches It is not.
  • the second structure may be the first structure 210 and the third structure may be the second structure 220.
  • Figure 4 shows that the structure is three.
  • the second structure is the first structure 210 and the third structure is the second structure 220 in relation to the second structure and the third structure, and light passing through the first and second structures Can reach more specific areas of the 3rd structure, so more variable values must be matched to give the desired shape.
  • the structure through which the light 101 incident from the outside first transmits is a transmission unit that transmits the light, and the structure through which the light transmitted through the transmission unit reaches the light It provides a photo-functional pattern structure that is a receiving unit including a pattern that can reflect or transmit the same or different shapes depending on the location. That is, the first structure 210 may be a transmitter, and the second structure 220 may be a receiver. The receiver may include various patterns so that different shapes can be implemented according to a position where light arrives.
  • the type of light 101 incident from the outside is one or more, and each wavelength range is not particularly limited. That is, infrared, ultraviolet, radiation, and gamma rays can also control light through the structure.
  • the consumer may have at least one wavelength from 380nm to 800nm in order to immediately grasp the shape easily formed by the eye. More specifically, the light 101 incident from the outside may have at least one range selected from 647 nm to 723 nm, 492 nm to 575 nm, and 455 nm to 492 nm.
  • FIG. 5 shows an example in which the types of light 101 incident from the outside according to an exemplary embodiment of the present specification have at least one range independently selected from 647 nm to 723 nm, 492 nm to 575 nm, and 455 nm to 492 nm, respectively.
  • the finally formed image may be formed of a combination of light having various wavelength ranges.
  • the incident angle of the light 101 incident from the outside may not be constant.
  • 6 to 8 are views showing light 101 incident from the outside having different incidence angles. Referring to FIG. 6, the light 101 incident from the outside may not be perpendicular to the first structure, and light in which a vertical angle of incidence and an angle of incidence that do not coexist may be incident. Referring to FIG. 7, the light 101 incident from the outside may be reflected by the first structure and reach the second structure. In this case, the diffraction pattern of the first structure may be reflective. Referring to FIG. 8, the first structure may include a diffraction pattern of reflection and transmission, and in this case, the light 101 incident from the outside may simultaneously transmit and reflect the first structure.
  • the structure may further include a protective layer 230.
  • the protective layer 230 may prevent physical reproduction of the diffraction pattern provided on the structure.
  • the protective layer 230 is not particularly limited, but may be made of a material having a different refractive index from the structure.
  • the structure when it includes a diffraction pattern capable of transmitting light 101 incident from the outside, it may be made of a material having a refractive index that is at least 0.3 different than the structure. In this case, the structure can transmit the incident light in a larger amount, thereby making the image more vivid.
  • the protective layer 230 may be made of an adhesive resin. In this case, the structure can be easily attached to a specific object using the protective layer 230.
  • the protective layer 230 may include a light reflection layer.
  • the type of the light reflection layer is not particularly limited as long as it can reflect light, but may include a hologram material, a material having a light reflectivity of 10% to 95%, and the like. By including the material, it is possible to observe the image formed by transmitting or reflecting the structure more clearly and aesthetically.
  • FIG. 9 shows a first structure 210 having a protective layer 230 according to an exemplary embodiment of the present specification.
  • the protective layer 230 may be formed on the first diffraction pattern 320 of the first structure 210.
  • the protective layer 230 formed as described above may serve to protect the first diffraction pattern 320 from the outside, and when a third party attempts to replicate the first diffraction pattern 320, the protective layer 230 ) In the process of separating from the first diffraction pattern 320, the first diffraction pattern 320 may be damaged, and thus replication may be impossible.
  • the optical functional pattern structure includes two or more structures, and as the number of structures increases, the security of the authenticity determining device may increase. Referring to FIG. 3, light passing through the first and second structures may reach more specific regions of the third structure, and thus more variable values must be adjusted in order to display a desired shape. Therefore, a higher level of security can be maintained.
  • the authenticity determination device further includes a determination unit capable of determining authenticity from a shape formed by light reflected or transmitted to a structure to which the light 101 incident from the outside finally reaches.
  • a determination unit capable of determining authenticity from a shape formed by light reflected or transmitted to a structure to which the light 101 incident from the outside finally reaches.
  • the image formed after the light 101 incident from the outside passes through all structures is determined according to the diffraction pattern and the diffraction pattern intrinsic distance 400 of the structures, which is the initial fabrication of the manufacturer who produced the photofunctional pattern structure. It depends on the settings.
  • the image formed according to the manufacturer's initial production setting may be used to determine authenticity, and the discrimination unit for determining authenticity may be a specific object that can be directly checked by a person or a machine or program according to a specific control system. .
  • forming two or more structures by independently forming a diffraction pattern on each of two or more base films; And the first diffraction pattern 320 of the first structure 210 in which the light 101 incident from the outside of the structure is first incident, so that the diffracted light transmitted through the first structure 210 is incident next. It is possible to provide a method for manufacturing a photo-functional pattern structure including the step of allowing the first and second structures to be arranged with a diffraction pattern intrinsic distance 400 to reach a specific position of the second structure 220.
  • the step of independently forming a diffraction pattern on the base film is not particularly limited, and a hot embossing process, a nanoprinting process, or a molding process may be used.
  • the diffraction pattern intrinsic distance 400 is as described above, the light passing through the first diffraction pattern 320 of the first structure 210 is the second structure 220 ) Can be designed by the manufacturer to reach on a particular second diffraction pattern 310.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

La présente invention se rapporte à une structure de motif photofonctionnel, à un dispositif d'authentification le comprenant et à son procédé de fabrication. Selon un mode de réalisation de la présente invention, la structure de motif photofonctionnel comprend au moins deux corps de structure comprenant un motif de diffraction qui peut réfléchir ou transmettre une lumière incidente entrante dans une forme particulière, les deux, ou plus, corps de structure comprenant un premier corps de structure comprenant un premier motif de diffraction et un second corps de structure comprenant un second motif de diffraction. En particulier, la lumière incidente entrante transmise à travers le premier corps de structure, par le premier motif de diffraction, est incidente sur une région particulière du second motif de diffraction et le second motif de diffraction est pourvu d'une pluralité de régions ayant des motifs de diffraction différents de telle sorte que la lumière, qui atteint les différentes régions, puisse être réfléchie ou transmise pour présenter différentes formes en fonction des emplacements ainsi atteints.
PCT/KR2020/000010 2019-01-02 2020-01-02 Structure de motif photofonctionnel, dispositif d'authentification le comprenant et son procédé de fabrication WO2020141875A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190000332A KR102008776B1 (ko) 2019-01-02 2019-01-02 광기능성 패턴 구조물, 이를 포함하는 진위 판별 장치 및 이의 제조 방법
KR10-2019-0000332 2019-01-02

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WO2020141875A1 true WO2020141875A1 (fr) 2020-07-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002117431A (ja) * 2000-08-01 2002-04-19 Fuji Electric Co Ltd 紙葉類鑑別装置
JP2002137580A (ja) * 2000-10-31 2002-05-14 Toppan Printing Co Ltd 秘密情報媒体
JP2011224819A (ja) * 2010-04-16 2011-11-10 Toppan Printing Co Ltd 偽造防止媒体及び偽造防止転写箔並びに偽造防止物品
JP2016085428A (ja) * 2014-10-29 2016-05-19 セイコーエプソン株式会社 光学素子、画像表示装置および光学素子の製造方法
KR20180109472A (ko) * 2017-03-28 2018-10-08 고려대학교 산학협력단 진위 판정 장치 및 이의 제조 방법
KR20180111267A (ko) * 2017-03-31 2018-10-11 고려대학교 산학협력단 진위 판정 장치 및 이의 제조 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002117431A (ja) * 2000-08-01 2002-04-19 Fuji Electric Co Ltd 紙葉類鑑別装置
JP2002137580A (ja) * 2000-10-31 2002-05-14 Toppan Printing Co Ltd 秘密情報媒体
JP2011224819A (ja) * 2010-04-16 2011-11-10 Toppan Printing Co Ltd 偽造防止媒体及び偽造防止転写箔並びに偽造防止物品
JP2016085428A (ja) * 2014-10-29 2016-05-19 セイコーエプソン株式会社 光学素子、画像表示装置および光学素子の製造方法
KR20180109472A (ko) * 2017-03-28 2018-10-08 고려대학교 산학협력단 진위 판정 장치 및 이의 제조 방법
KR20180111267A (ko) * 2017-03-31 2018-10-11 고려대학교 산학협력단 진위 판정 장치 및 이의 제조 방법

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