WO2014088360A1 - Procédé de production de film optique intégré et film optique intégré - Google Patents

Procédé de production de film optique intégré et film optique intégré Download PDF

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Publication number
WO2014088360A1
WO2014088360A1 PCT/KR2013/011254 KR2013011254W WO2014088360A1 WO 2014088360 A1 WO2014088360 A1 WO 2014088360A1 KR 2013011254 W KR2013011254 W KR 2013011254W WO 2014088360 A1 WO2014088360 A1 WO 2014088360A1
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WIPO (PCT)
Prior art keywords
layer
optical film
curable adhesive
mold
light
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Application number
PCT/KR2013/011254
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English (en)
Korean (ko)
Inventor
이대환
서광석
김종은
황재선
심연승
Original Assignee
주식회사 앤앤드에프
인스콘테크(주)
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Publication of WO2014088360A1 publication Critical patent/WO2014088360A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
    • B29C37/0075—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other using release sheets
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/026—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/12—Making multilayered or multicoloured articles
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • G02B3/0068—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between arranged in a single integral body or plate, e.g. laminates or hybrid structures with other optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission

Definitions

  • the present application relates to an integrated optical film manufacturing method and an integrated optical film, and more particularly, to an integrated optical film manufacturing method that can be applied to a liquid crystal display device, a light receiving display device, a signboard, an illumination, and an integrated optical film manufactured through the same. will be.
  • Liquid crystal display is a representative display device widely used in various fields. Since the liquid crystal display is a non-light emitting device, a backlight unit for generating light is required. Therefore, such a backlight unit is an important factor for determining the size and light efficiency of the liquid crystal display device, and is composed of an assembly of various optical sheets.
  • the backlight unit includes a light source, a light guide plate, a reflecting plate, a diffusion sheet, a prism sheet, and a protective sheet.
  • the light generated from the light source is directed toward the diffusion sheet through the light guide plate, and the light diffused by the diffusion sheet is focused through the first and second prism sheets to be directed toward the liquid crystal display panel.
  • the diffusion sheet serves to provide uniform luminance over the entire area.
  • the prism sheet performs a function of improving luminance in a specific viewing angle range.
  • the luminance improvement at this particular viewing angle may be realized by condensing by the prism structure.
  • the diffusion sheet and the prism sheet of the conventional backlight unit are provided by simple contact, the diffusion sheet and the prism sheet may be shifted from each other when the liquid crystal display device is used for a long time. A light leakage phenomenon may occur, or the light may not be properly refracted to the liquid crystal display panel, resulting in a narrow viewing angle or a problem in that the screen cannot be viewed at a specific viewing angle.
  • the optical sheets included in the backlight unit may have various patterns for controlling the degree of diffusion or condensing.
  • the base layer underlying each of the optical sheets had to be disposed. For example, by forming a diffusion sheet having a pattern on one substrate layer, forming a prism sheet having a pattern on another substrate layer, and then stacking another substrate layer on which the prism sheet is formed on the diffusion sheet. The assembly was prepared.
  • the conventional backlight unit has a limitation in implementing a slim thickness because the base layer must be disposed on each lower side of the optical sheets, and it is difficult to predict the path of incident light because an additional interface is formed between the base layer and the optical sheet. .
  • the present application is to solve the above-mentioned problems of the prior art, it is firmly secured to the integrity and provided with a slimmer, at the same time manufacturing an integrated optical film capable of efficiently diffusing or refracting light so as to greatly improve the brightness and light uniformity It is an object to provide a method and an integrated monolithic optical film.
  • the integrated optical film manufacturing method comprises the steps of (a) coating a curable resin on a first mold having a pattern; (b) covering the substrate layer on an upper surface of the resin coated on the first mold; (c) projecting light onto the resin covered with the base layer to form a first layer that is temporarily cured or fully cured; (d) coating the curable resin on the second mold having the pattern; (e) Covering the first curable adhesive layer, the release film is laminated on the upper surface of the resin coated on the second mold, and then the light for the temporary curing on the resin covered with the first curable adhesive layer, the temporary curing state Forming a second layer of the; (f) removing the release film on the first curable adhesive layer, and laminating the first layer and the base layer separated from the first mold to contact the first layer on the first curable adhesive layer; And (g) projecting light onto the second layer, the first curable adhesive layer, the first layer, and the substrate layer
  • the integrated optical film manufacturing method comprises the steps of (a) coating a curable resin on the first mold having a pattern; (b) covering the substrate layer on an upper surface of the resin coated on the first mold; (c) projecting light onto the resin covered with the base layer to form a first layer that is temporarily cured or fully cured; (d) coating the curable resin on the second mold having the pattern; (e) projecting light for precure to the resin coated on the second mold to form a precured second layer, and then the first curable adhesive layer having a release film laminated on the upper surface of the precured state Covering the top surface of the second layer; (f) removing the release film on the first curable adhesive layer, and laminating the first layer and the base layer separated from the first mold to contact the first layer on the first curable adhesive layer; And (g) projecting light onto the second layer, the first curable adhesive layer, the first layer, and the substrate layer to form the
  • the integrated optical film according to the first aspect of the present application is a base layer; A first layer disposed on the substrate layer and having a pattern formed on an upper surface thereof; A second layer disposed on the first layer, the second layer having a pattern formed on an upper surface thereof, wherein the second layer is separate from the first layer through the first curable adhesive layer bonded to the lower surface;
  • the first curable adhesive layer integrally connected with the first layer without the addition of the substrate layer, the first layer, the second layer, and the first layer and the second layer is integrally formed. It can be formed as.
  • the optical layers stacked on the first layer can be formed to have a flat bottom surface without a base layer supporting each, having a slim thickness and at the same time incident through the bottom surface
  • An integrated optical film capable of uniformly setting the incident angle of the light to be provided may be provided.
  • the optical layers stacked on the first layer can be manufactured and laminated in a state having a clear shape without a base layer, it is possible to easily implement the pattern in a desired shape, Accordingly, an integrated optical film that can more easily adjust or improve luminance and light uniformity may be provided according to application conditions for each product.
  • FIG. 1 is a flowchart illustrating a process of manufacturing a two-layer optical film through the integrated optical film manufacturing method according to the first embodiment of the present application.
  • FIG. 2 is a flowchart illustrating a process of manufacturing a three-layer optical film through the integrated optical film manufacturing method according to the first embodiment of the present application.
  • 3A to 3D, 4A to 4D, 5A, 5B, 6A, and 6B are cross-sectional views illustrating a method of manufacturing an integrated optical film according to a first embodiment.
  • FIG. 7 is a perspective view of an integrated optical film according to the first embodiment of the present application.
  • FIG 8 is an exploded perspective view of an integrated optical film according to the first embodiment of the present application.
  • 9A is a plan view from above of a first layer of an integrated optical film according to a first embodiment of the present disclosure.
  • 9B is a plan view from above of another example of the first layer of the integrated optical film according to the first embodiment of the present application.
  • FIG. 10 is a perspective view of an integrated optical film according to a second embodiment of the present application.
  • FIG. 11 is a perspective view of an integrated optical film according to a third embodiment of the present application.
  • FIG. 12 is a perspective view of an integrated optical film according to a fourth embodiment of the present application.
  • FIG. 13 is a perspective view of an integrated optical film according to a fifth embodiment of the present application.
  • FIG. 14 is an exploded perspective view of an integrated optical film according to a sixth embodiment of the present application.
  • 15 is an exploded perspective view of an integrated optical film according to a seventh embodiment of the present application.
  • FIG 16 is an exploded perspective view of an integrated optical film according to an eighth embodiment of the present application.
  • the term “combination of these” included in the expression of the makushi form means one or more mixtures or combinations selected from the group consisting of constituents described in the expression of the makushi form, wherein the constituents It means to include one or more selected from the group consisting of.
  • the setting is based on 6b.
  • the upward direction may be upward
  • the upward direction may be the upper surface
  • the downward direction may be downward
  • the downward direction may be the lower surface.
  • the upper surface may be disposed in various directions such as to face forward.
  • the integrated optical film manufacturing method (hereinafter, referred to as a 'first integrated optical film manufacturing method') according to the first embodiment of the present application will be described.
  • FIG. 1 is a flowchart illustrating a process of manufacturing a two-layer optical film through the integrated optical film manufacturing method according to the first embodiment of the present application
  • FIG. 2 is a flowchart illustrating the integrated optical film manufacturing method according to the first embodiment of the present application. It is a flowchart which shows the process of manufacturing a layer optical film.
  • 3A to 3D, 4A to 4D, 5A, 5B, 6A, and 6B are cross-sectional views illustrating a method of manufacturing an integrated optical film according to a first embodiment.
  • the first integrated optical film manufacturing method S100 includes coating the curable resin on the first mold 600 having the pattern 610 (S105).
  • the pattern 610 of the first mold 600 may be variously formed to correspond to the shape of the pattern 11 of the first layer 1.
  • the pattern 610 of the first mold 600 may be convex, and the pattern 11 of the first layer 1 may be concave to engage with it.
  • the pattern 610 of the first mold 600 may be concave to correspond thereto.
  • the first integrated optical film manufacturing method S100 includes covering the base layer 9 on the top surface of the resin coated on the first mold 600 (S110).
  • the base material layer 9 is the most basic layer of each layer which forms an integrated optical film. Referring to FIG. 5B, the base layer 9 may be a layer that transmits light from the lower side to the first layer 1.
  • the base layer 9 is disposed above the resin corresponding to the first layer 1. That is, the base layer 9 covers the upper surface of the resin to be the first layer 1 so as to be temporarily cured or completely cured in a state where the upper surface of the resin is kept flat during future curing or complete curing.
  • the base layer 9 may be a flat film shape made of a material such as polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), but is not limited thereto. That is, the base layer 9 may be formed of a material having a predetermined refractive index and light transmittance in order to secure desired luminance and light uniformity.
  • PET polyethylene terephthalate
  • PC polycarbonate
  • PE polyethylene
  • the base layer 9 may be formed of a material having a predetermined refractive index and light transmittance in order to secure desired luminance and light uniformity.
  • a light guide plate may serve as the base layer 9.
  • the substrate layer 9 may be a light guide plate.
  • the light guide plate is a component that converts light incident from a lamp (not shown) into uniform planar light, and is generally made of PMMA (polymethymethacrylate), which is an acrylic resin.
  • PMMA polymethymethacrylate
  • the base layer 9 is not necessarily limited to the light guide plate, and it is preferable that the base layer 9 is understood as a concept that includes all the layers capable of transmitting light from the lower side to the first layer 1 as the bases of the respective layers. Do.
  • the first integrated optical film manufacturing method S100 may include a first hardened or fully hardened state by projecting light for temporary hardening or complete hardening onto a resin covered with a base layer 9. Forming a layer 1 (S115).
  • the resin may be a curable transparent resin cured by any one of ultraviolet (UV) and infrared (IR).
  • UV ultraviolet
  • IR infrared
  • the light projected onto the resin for temporary curing may be short wavelength ultraviolet (UV), and such short wavelength ultraviolet light may be realized through a BL lamp.
  • the light projected onto the resin for complete curing may be long wavelength ultraviolet (UV), and may be implemented through a mercury lamp, a metal halide lamp, a gallium lamp, an LED lamp, and the like.
  • UV long wavelength ultraviolet
  • UV may involve not only photo curing but also thermal curing.
  • projecting light for temporary curing on the resin means that the resin projects light enough to be temporarily cured.
  • the light for temporary curing may be simultaneously projected from the upper side and the lower side, but the present invention is not limited thereto, and light projection for temporary curing may be performed in another manner as necessary.
  • the resin is coated on the first mold 600, and then cured to a predetermined or more to prepare the first layer 1 in an excessively hardened state.
  • the first layer 1 is entangled in the first mold 600, it becomes difficult to separate the first layer 1 from the first mold 600, or the first layer 1 is formed in the first mold 600. ) May damage the surface.
  • the temporary hardening is such that the first layer 1 can be easily separated from the first mold 600 without damage, and the first layer 1 after the first layer 1 is separated from the first mold 600. It means curing made to the extent that the shape of 1) can be maintained without deformation.
  • the term temporary curing used in the future may also be used in the same sense as described above.
  • the first mold 600 when the first mold 600 is provided through a mold having a surface having a high releasability through a release agent or the like rather than a general mold, the first mold even after the first layer 1 is completely cured. It may be separated from the 600 without damage. However, in order to form the first layer 1 having a more stable and clear pattern, it will be preferable to perform the temporary curing as described above.
  • the first layer 1 in this temporary hardened state and the base layer 9 integrally bonded with the temporary hardened first layer 1 may be separated from the first mold 600. have.
  • this separation point is not necessarily before the second layer 2 is manufactured, and the separation point may be determined in consideration of the manufacturing conditions.
  • the manufacturing process of the first layer 1 does not necessarily have to proceed first, and the manufacturing process of the second layer 2 may proceed first depending on the manufacturing conditions.
  • the first integrated optical film manufacturing method S100 may include coating a curable resin on a second mold 700 having a pattern 710 (S120).
  • the pattern 710 of the second mold 700 may be variously formed to correspond to the shape of the pattern 21 of the second layer 2.
  • the pattern 710 of the second mold 700 may have a prism shape
  • the pattern 11 of the first layer 1 may have a prism shape that engages thereto.
  • the pattern 710 of the second mold 700 may be formed to be concave to correspond thereto.
  • the first integrated optical film manufacturing method S100 includes a first curable adhesive layer 91 having a release film 99 laminated on an upper surface thereof on a second mold 700. Covering the release film 99 on the upper surface of the resin coated on the resin, and then projecting light for temporary curing on the resin covered with the first curable adhesive layer 91 to form a second layer (2) of the temporary curing state ( S125).
  • the release film 99 means a film having a release property.
  • the release film 99 is a film made of a material having easy peelability.
  • the release film 99 may have a surface material including silica, fluorine, titanium, or the like. The release film 99 may be separated from the cured or fully cured resin even after the resin is temporarily cured or completely cured, unlike the base layer 9 in the salping step S110.
  • the term "curable adhesive layer" used in the first curable adhesive layer 91 and the second curable adhesive layer 92 to be described later has adhesiveness or adhesiveness, and is cured by any one of ultraviolet (UV) and infrared (IR) light. It means a layer having a property.
  • adhesiveness or adhesiveness may be stronger. That is, the latent adhesive force of the curable adhesive layer may be significantly increased compared to the initial adhesive force.
  • the initial adhesive force of the curable adhesive layer may be 10 gf / 25mm, and the late adhesive force may be 1000 gf / 25mm.
  • the first curable adhesive layer 91 having the release film 99 stacked on the top surface is disposed on the resin corresponding to the second layer 2. That is, the first curable adhesive layer 91 in which the release film 99 is laminated on the top surface covers the top surface of the resin to be the second layer 2 so that the top surface of the resin is kept flat during future curing or complete curing. Allow for temporary curing or complete curing.
  • step S125 light for temporary curing is projected onto a resin covered with the first curable adhesive layer 91 on which the release film 99 is laminated to form a second layer 2 in a temporary curing state 2.
  • the description of the material of the resin, temporary curing, light for temporary curing, etc. will be omitted because it is overlapped with the description in step S115.
  • the release film 99 is removed from the first curable adhesive layer 91, and the first layer is formed on the first curable adhesive layer 91. Laminating the first layer 1 and the base layer 9 separated from the first mold 600 such that (1) is in contact (S135).
  • the resin is temporarily hardened to a degree such that the flat upper surface (lower surface when viewed in FIG. 6B) can be maintained without deformation. 2) and then the first layer separated from the second mold 600 as shown in FIG. 3d on the first curable adhesive layer 91 from which the release film 99 is removed and then the release film 99 is removed as shown in FIG. 4d. (1) and the base material layer 9 are laminated
  • the adhesive force (or adhesive force) between the release film 99 and the first curable adhesive layer 91 may be the first curable adhesive layer 91 and the second layer ( It is stronger than the adhesive force (or adhesive force) between 2). Therefore, in this case, even if the release film 99 is to be separated from the first curable adhesive layer 91, it is not separated.
  • the adhesive force (or adhesive force) between the second layer 2 and the first curable adhesive layer 91 becomes very high, and thus the release film 99 and the first curable composition are formed.
  • the adhesive force (or adhesive force) between the first curable adhesive layer 91 and the second layer 2 is greater than the adhesive force (or adhesive force) between the adhesive layers 91. Therefore, when the second layer 2 is temporarily cured, the release film 99 can be easily separated from the first curable adhesive layer 91.
  • the step S125 may include a release roll 810 or a release film having a release surface on the top surface of the resin coated on the second mold 700 (not shown in the drawing). Pressurized to flatten and project light for temporary hardening onto the resin coated on the second mold 700 to form the second layer 2 in a temporary hardened state, and then release film 99 on the upper surface.
  • the laminated first curable adhesive layer 91 may be covered on the upper surface of the second layer 2 in a temporary curing state.
  • step S125 may first cover the first curable adhesive layer 91 on the resin corresponding to the second layer 2, and then temporarily harden the second layer 2 to form the second layer 2. Temporary hardening may be performed under pressure of the 81 or the release film to form the second layer 2, and then the first curable adhesive layer 91 may be covered on the second layer 2.
  • the surface with the release property of the release roll 810 or the release film means a surface made of a material having peelability that is easy to peel off.
  • a surface having a release property may be formed through a release layer 811 provided through a coating or the like along the outer circumference of the release roll 810.
  • the release layer 811 may be made of a material including at least one of Teflon, fluorine, silicon, tungsten, and titanium.
  • the release surface of the release roll 810 or the release surface of the release film is preferably selected as a material that can ensure a higher release property corresponding to the component of the resin coated on the second mold 700.
  • step S125 the resin coated on the second mold 700 and the second mold 700, the release roll 810 and It may be passed between the release roll 810 and the guide roll 820 spaced apart from each other.
  • the distance between the release roll 810 and the guide roll 820 may be smaller than or equal to the total thickness of the resin coated on the second mold 700 and the second mold 700.
  • the release roll 810 is formed on the second mold 700.
  • the release roll 810 is disposed on the upper side and the guide roll 820 is disposed on the lower side so as to be in contact with the upper surface of the resin coated thereon.
  • the upper surface of the resin coated on the second mold 700 can be formed flat. If a general roll without releasability is used, the roll is not easily separated after contacting the top surface of the resin coated on the second mold 700, so that the top surface of the resin coated on the second mold 700 is flat. It could not be formed.
  • the release roll 810 may be replaced with a general roll having no release property, and instead, the release roll 810 may be covered with a release film on a resin coated on the second mold 700. That is, as described above, the surface may have a release property (release layer 811) on the circumference of the roll, and a release film separate from the roll is placed on the resin coated on the second mold 700.
  • the general roll may pressurize similarly to the pressing method through the release roll 810 described above.
  • the release film may be understood as a configuration having a function and a material similar to the salpin release film 99.
  • the top surface of the resin coated on the second mold 700 is flattened through the release roll 810 or the release film, and then mirrored to the resin coated on the second mold 700.
  • the second layer 2 in the temporary hardened state is formed by projecting light for ignition.
  • the description of the material of the resin, temporary curing, light for temporary curing, etc. will be omitted because it is overlapped with the description in step S115.
  • the light for temporary curing is directly projected onto the planarized portion of the release roll 810 or the release film of the resin coated on the second mold 700, thereby coating the second mold 700.
  • the top surface of the resin can be temporarily hardened and fixed to such an extent that it can be maintained without deformation in a flattened state, so that flatness can be greatly improved. That is, as shown in Figure 5a, it is preferable in the flatness improvement to immediately proceed the temporary curing process through light irradiation immediately after the planarization process through the release roll 810 or the release film.
  • the second curable adhesive layer 91 in which the release film 99 is laminated on the upper surface thereof is temporarily cured as shown in FIG. 5B.
  • a process of covering the upper surface of the layer 2 may be performed.
  • the first integrated optical film manufacturing method S100 includes a second layer 2, a first curable adhesive layer 91, a first layer 1, and a base layer.
  • the light is projected onto (9) to integrate the second layer (2), the first curable adhesive layer (91), the first layer (1), and the base layer (9), and separate the second mold (700) into two layers.
  • the light projected in step S140 may be light for complete curing.
  • the second layer 2 the first curable adhesive layer 91, the first layer 1, and the base layer 9 in the state in which the second bonding Since the layer 2 and the first layer 1 are completely cured
  • the two-layer optical film 120 can be made of an integral optical film having integrity. That is, the first layer 1 and the second layer 2 are completely cured while the second layer 2, the first curable adhesive layer 91, the first layer 1, and the base layer 9 are bonded together.
  • the integral optical film can be formed by tangling the parts together.
  • first curable adhesive layer 91 may also be completely cured through projection of light for complete curing. Through this complete curing, the adhesion (or adhesion) to the second layer 2 and the first layer 1 of the first curable adhesive layer 91 is further increased through bonds that are entangled between the particles, and more firmly integrated. An integrated optical film can be formed.
  • the integral means that the laminated layers are formed as one body so that each layer is not separated from each other when an external force is applied to the optical film.
  • the two-layer optical film 120 is integrally formed, so that the second layer 2, the first layer 1, and the base layer 9 are not provided with excessive external force exceeding the allowable value even if the service life becomes longer. ) Does not deviate from each other, so that a light leakage phenomenon, a narrow viewing angle, or a light divergence at a specific viewing angle may be solved.
  • the layers are integrally formed through the addition and complete curing of the first curable adhesive layer 91 which is extremely thin compared to the base layer 9, the first layer 1 and the second layer 2 are similar to each other. There is no need to add a separate base layer, the integrated optical film can be provided more slim.
  • the configuration is simple, so that the manufacturing is easy and the composition is not coarse, so that the bonding between the components is more firm, and separation between the stacked layers can be more surely prevented.
  • first layer 1 and the second layer 2 may be made of a resin that is tacky or adhesive. That is, by hardening a resin made of a material having an adhesive or adhesive property to form the first layer 1 and the second layer 2, a more robust integrated optical film can be produced.
  • adhesiveness means a property in which adhesive force is continuously maintained by sticking sticky.
  • adhesiveness is a property that stickiness is continuously maintained on the surface of the first layer 1 adhering to the base material layer 9 even if the first layer 1 applied to the base layer 9 is removed by applying a predetermined force or more. .
  • the first layer 1 having the adhesive property is removed from the base layer 9 and then adhered to the base layer 9 again, the first layer 1 may be stuck to each other again to maintain a predetermined or more integrity.
  • adhesiveness is a concept that is distinguished from adhesiveness, which is a property in which stickiness exists only at the time of initial bonding and stickiness is lost when it is detached and cannot be reattached.
  • the concept of adhesion refers to adhesion, adhesion, etc., in which an adhesive force exists only when the integrated optical film is first manufactured, and when the layers are separated from each other by an unexpected external force after the completion of manufacturing, the adhesion is lost and cannot be bonded again. Can be understood as another concept.
  • each layer may be formed through a sticky resin, the surface of each layer may be unexpectedly generated even when an external force of a size and direction exceeding the allowable value is applied to the finished monolithic optical film so that the layers are separated from each other. Since stickiness is constantly maintained, the separated layers can be easily integrated again. Therefore, the integrated optical film can be more firmly maintained, thereby solving the problem that light leakage occurs, the optical viewing angle is narrowed, or the light does not diverge to a specific viewing angle.
  • the two-layer optical film 120 in which the first layer 1, the first curable adhesive layer 91, and the second layer 2 are laminated on the base layer 9 through the complete curing see FIG. 6B.
  • the second layer 2 is separated from the second mold 700 after it is fully cured. Therefore, the second mold 700 is preferably provided through a mold having a high surface releasability (peelability), through which the second layer 2 is stably separated from the second mold 700 in step S140. Can be.
  • the first integrated optical film manufacturing method S100 may include a second mold 700, a second layer 2, and a first curable adhesive layer between the rolls 900 installed at intervals before the step S140. (91), the first layer (1), and the substrate layer 9 may be passed through.
  • the gap between the rolls 900 is smaller than the total thickness of the second mold 600, the second layer 2, the second curable adhesive layer 91, the first layer 1, and the base layer 9. Or the same size.
  • the second mold 700, the second layer 2, the second curable adhesive layer 91, the first layer 1, and the substrate layer 9 which are sequentially stacked are rolled (
  • By passing through 900 may be a physical action primarily to make the overall thickness uniform.
  • predetermined compression may be achieved by adjusting the gap between the rolls 900.
  • the second layer 2 and the first layer 1 are supported by the second mold 700 at the lower side thereof and protected by the substrate layer 9 at the upper side thereof. Accordingly, since the second layer 2 and the first layer 1 are indirectly subjected to a physical force for uniform thickness or predetermined compression, more stable passage can be achieved.
  • the method of manufacturing a first integrated optical film S100 may include coating a curable resin on a third mold having a pattern after step S140 (S145), and a release film 99 on an upper surface thereof. ) Is laminated on the upper surface of the resin coated on the third mold, and then the light for provisional curing is projected onto the resin covered with the second curable adhesive layer 92 to prepare the Forming the third layer 3 (S150), the release film 99 is removed from the second curable adhesive layer 92, and the second layer 2 is brought into contact with the second curable adhesive layer 92.
  • step S150 the light for temporary curing is projected onto the resin coated on the third mold to form the third layer 3 in the temporary curing state, and then the release film (
  • the second curable adhesive layer 92 may be stacked on the upper surface of the third layer 3 in a temporary curing state.
  • step S150 may first cover the second curable adhesive layer 92 on the resin corresponding to the third layer 3, and then temporarily harden to form the third layer 3. May be performed to form the third layer 3, and then the second curable adhesive layer 92 may be covered on the third layer 3.
  • the light projected in step S165 may be light for complete curing.
  • the light projected in step S140 may be light for temporary curing or complete curing.
  • the integrated optical film may be manufactured in the form of the two-layer optical film 120 by projecting light for complete curing in step S140.
  • the light for temporary curing may be projected in step S140.
  • the light for complete curing may be projected in step S140.
  • the second mold 700 may be removed from the second mold 700 even if the second layer 2 is completely cured in step S140. It can be separated reliably.
  • the first integrated optical film manufacturing method S100 may form the n-layer optical film by repeating steps S145, S150, S160, and S165 even after the three-layer optical film 130 is formed as described above. Can be.
  • the light projected on the n-th layer and the (n-1) -layer optical film of the light projected for each repeated S165 step is light for complete curing.
  • the remaining light may be light for temporary curing. That is, the integral optical film can be produced by projecting light for temporary curing until lamination of the final layer, and projecting light for complete curing after lamination of the final layer is made.
  • the production of an integrated optical film can be made in a manner that projects light for complete curing as each layer is laminated.
  • the first curable adhesive layer 91 laminated on the second layer 2 in a temporary curing state is formed.
  • the first layer 1 of the temporary hardening or fully hardened state in which the base material layer 9 is laminated on the upper surface is laminated, and then completely cured to integrate the two layers once, and then to the third layer 3 of temporary hardened state.
  • the manufacture of the integrated optical film may be made in such a way that the two layers integrated on the second curable adhesive layer 92 laminated on the layer are laminated and then completely cured to integrate the three layers.
  • the first integrated optical film manufacturing method (S100) is a third mold, the second curable adhesive layer 92, the third layer (3), and the two-layer optical between the rolls 900 installed at intervals before each step S165.
  • the method may further include passing the film 120 (see FIG. 10).
  • the interval between the rolls 700 may be smaller than or equal to the total thickness of the third mold, the third layer 3, the second curable adhesive layer 92, and the two-layer optical film 120.
  • the first curable film is completely cured.
  • the adhesion (or adhesive force) of the adhesive layer 91 or the second curable adhesive layer 92, the first layer 1 and the second layer 2, or the second layer 2 and the third layer 3 Through a method of integrally and firmly coupled, the integrated optical film can be provided with a slimmer thickness but is not easily separated from each other, and thus light leakage phenomenon can be more effectively prevented.
  • the optical layers stacked on the first layer 1 can be formed to have a flat bottom surface without the base layer for each.
  • the incident angle of light incident through the bottom surface may be uniform as a whole, and optical properties such as light uniformity and luminance may be greatly improved.
  • a method of pattern-processing an upper surface after applying resin on a substrate layer is used, which makes it difficult to form a pattern clearly and may cause problems such as resin flowing down around the substrate layer during a pattern processing process. More specifically, when each optical layer is formed in such a manner that the resin is directly applied onto the substrate layer and cured, it becomes very difficult to form a pattern having a desired shape in the optical layer.
  • the shape of the pressed pattern is difficult to maintain continuously and the resin may flow sideways by press compression.
  • the press working after the resin is cured there is a possibility that the optical layer to form a pattern is damaged or deformed, the press working becomes more difficult.
  • the method of directly applying the resin on the substrate layer made it impossible to manufacture the optical layer having the pattern in a clear shape.
  • the present application coats a resin on a mold so that a pattern is formed on the lower side rather than the upper side of the resin, and the upper side of the resin is a first curable adhesive layer 91 having an easily detachable release film 99 laminated on an upper surface thereof.
  • the second curable adhesive layer 92 By covering the second curable adhesive layer 92 to form a flat bottom surface first, and then temporarily hardening to separate only the release film 99 while leaving the first curable adhesive layer 91 or the second curable adhesive layer 92.
  • the bottom surface is not only flat, but also a pattern can be clearly formed in a desired shape.
  • the present application used a mold having a surface having a high releasability (peelability) or to make the optical layer in a detachable hardened state on the mold so that each optical layer does not get tangled with the mold during temporary curing or complete curing. .
  • the integrated optical film manufacturing methods disclosed herein include the material side of the optical layer (curable resin), the side of the manufacturing means of the optical layer (using the mold and the curable adhesive layer), and the manufacturing process of the optical layer (releasing in the temporary curing state). After the film is completely cured to maximize the integral bonding force between each layer) is an invention combined so that the side is organically linked.
  • the integrated optical film according to various embodiments of the present disclosure may be applied to various fields such as a liquid crystal display (LCD) as well as all light receiving display devices such as an electrophoretic display device, a signboard, and an illumination.
  • LCD liquid crystal display
  • all light receiving display devices such as an electrophoretic display device, a signboard, and an illumination.
  • FIG. 7 is a perspective view of the integrated optical film according to the first embodiment of the present application
  • FIG. 8 is an exploded perspective view of the integrated optical film according to the first embodiment of the present application
  • 9A is a plan view from above of a first layer of an integrated optical film according to a first embodiment of the present application
  • FIG. 9B is a view of another example of the first layer of an integrated optical film according to a first embodiment of the present application from above Top view.
  • This integrated optical film includes the base layer 9. 7, 8, and 10 to 13, the base layer 9 is the most basic layer of each of the layers forming the integrated optical film.
  • the base layer 9 may be a layer that transmits light from the bottom side to the first layer 1. Accordingly, the base layer 35 may have a material having light transmittance.
  • the base layer 9 may be a flat film shape made of a material such as polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), but is not limited thereto. That is, the base layer 9 may be formed of a material having a predetermined refractive index and light transmittance in order to secure desired luminance and light uniformity.
  • PET polyethylene terephthalate
  • PC polycarbonate
  • PE polyethylene
  • the base layer 9 may be formed of a material having a predetermined refractive index and light transmittance in order to secure desired luminance and light uniformity.
  • a light guide plate may serve as the base layer 9.
  • the substrate layer 9 may be a light guide plate.
  • the light guide plate is a component that converts light incident from a lamp (not shown) into uniform planar light, and is generally made of PMMA (polymethymethacrylate), which is an acrylic resin.
  • PMMA polymethymethacrylate
  • the base layer 9 is not necessarily limited to the light guide plate, and it is preferable that the base layer 9 is understood as a concept that includes all the layers capable of transmitting light from the lower side to the first layer 1 as the bases of the respective layers. Do.
  • the integrated optical film includes a first layer (1).
  • the first layer 1 is disposed on the base layer 9, the pattern 11 is formed on the upper surface.
  • the pattern 11 may be formed according to a regular shape and arrangement as shown in FIG. 9A, or may be formed according to a random size, depth, shape, arrangement, etc., as shown in FIG. 9B.
  • the shape and arrangement of the pattern 11 may be variously set in consideration of the desired degree of light diffusion, the necessity of securing luminance, and the like.
  • This first layer 1 may be formed of curable resin.
  • a resin may be a curable transparent resin cured by either ultraviolet (UV) or infrared (IR).
  • the resin may be a resin that is tacky or adhesive.
  • the resin forming the first layer 1 may be a resin that remains tacky even in a hardened state.
  • this integrated optical film includes the second layer (2).
  • the second layer 2 is disposed on the first layer 1, and a pattern 21 is formed on the upper surface.
  • the second layer 2 is directly connected to the first layer 1 through the first curable adhesive layer 91 bonded to the lower surface thereof without the addition of a separate base layer between the first layer 1. do. That is, the integrated optical film also includes a first curable adhesive layer 91 bonded to the lower surface of the second layer 2.
  • the application of the curable adhesive layer that can separate the release film during mold and temporary curing may be organically linked.
  • all other substrate layers, such as the substrate layer supporting the second layer 2 can be omitted, so that an integrated optical film is manufactured with a much slimmer thickness than a conventional optical film. Can be.
  • the base layer 9, the first layer 1, the second layer 2, and the first curable adhesive layer 91 formed between the first layer 1 and the second layer 2 are integrally formed. Is formed.
  • an integrated optical film in the production of the integrated optical film, it is possible to remove the laminated release film 99 after temporary curing and stronger adhesion (or adhesive force after complete curing) By using the first curable adhesive layer 91 that integrally connects the first layer (1) and the second layer (2) by using a), an integrated optical film can be formed.
  • the lower surface of the second layer 2 may be connected to the first layer 1 in a flat state.
  • the release film 99 is laminated on the upper surface
  • the second layer 2 laminated on the layer 1 may be formed to have a flat bottom surface.
  • the incident angle of light incident through the bottom surface may be uniform as a whole, and optical properties such as light uniformity and luminance may be greatly improved.
  • This second layer 2 may be formed of curable resin. Since the structure of the 1st layer 1 has been demonstrated about this, detailed description is abbreviate
  • the integrated optical film may further include one optical layer 3 (see FIG. 10) or a plurality of optical layers (not shown in the drawing).
  • each layer may have a flat bottom surface, and the pattern formed in each layer is clearly formed in a desired shape.
  • one optical layer 3 is disposed on the second layer 2 and a pattern 31 is formed on the upper surface thereof.
  • a third layer (3) When there is only one optical layer 3, it will be referred to as a third layer (3).
  • One optical layer 3, i.e., the third layer 3 has a lower side without the addition of a separate base layer between the lower second layer 2 through the second curable adhesive layer 92 bonded to the lower surface thereof. Is directly connected with the second layer 2.
  • the base material layer 9, the 1st layer 1, the 1st curable adhesive layer 91, the 2nd layer 2, the 2nd curable adhesive layer 92, and the 3rd layer 3 are integrally formed. .
  • each of the plurality of optical layers is formed of a separate base layer between the second layer 2 or the lower optical layer through the second curable adhesive layer 92 bonded to the lower surface thereof. It is directly connected with the lower second layer 2 or the lower optical layer without addition.
  • the substrate layer 9, the first layer 1, the first curable adhesive layer 91, the second layer 2, the plurality of optical layers, the second layer 2, and the plurality of optical layers are formed.
  • the second curable adhesive layer 92 is integrally formed.
  • the integrated optical film which concerns on the 1st-8th Example of this application is examined.
  • the integrated optical film implemented through the present disclosure is not limited only to the first to eighth embodiments, and may be implemented in various embodiments corresponding to the description of the integrated optical film described above.
  • the integrated optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer. It includes (2).
  • the first layer 1 may be a diffusion layer
  • the second layer 2 may be a refractive layer
  • the diffusion layer may perform a function of diffusing light transmitted from the lower side and transmitting the light to the upper side
  • the refraction layer may perform a function of refracting (condensing) the light transmitted from the lower side and transmitting the light to the upper side.
  • the diffusion layer may adjust the degree of light diffusion as needed, and in a device in which light diffusion is to be made slightly smaller, light transmission may be performed at a level between diffusion and condensation.
  • the refractive layer can likewise adjust the degree of condensing as necessary.
  • the pattern 11 of the first layer 1 may have a concave shape.
  • the concave pattern 11 of the first layer 1 may be formed in a groove recessed downward from the top surface of the layer 3 of the first layer 1. Can be.
  • the light transmitted through the base layer 9 may be transmitted to the upper second layer 2 in a more uniformly diffused state through the concave pattern 11 formed in the first layer.
  • the shape of the pattern 11 applied to the diffusion layer is not limited to the concave shape as described above, and may be set in various forms in consideration of efficient light diffusion and luminance improvement.
  • the arrangement method of the pattern 11 may also be set in consideration of the desired degree of light diffusion, the necessity of ensuring luminance, and the like.
  • the pattern 11 may be arranged regularly.
  • the pattern 11 may be arranged in a honeycomb structure in which one pattern 11 surrounds six other patterns 11.
  • the pattern 11 may be formed randomly.
  • the pattern 21 of the second layer 2 may have a prism pillar shape extending in the length direction of the second layer 2.
  • the prism column shape may be formed such that the vertex has a triangular shape (prism shape) facing upward.
  • the peak angle of a conventional prism is approximately 90 degrees, and it may be desirable to have a value smaller than 90 degrees for more efficient light refraction.
  • the shape of the prism pillar need not be limited to a triangular shape, and may be formed in various shapes (angles and pitches) as necessary, such as a refractive direction.
  • the surface of the prism may be formed with fine concavities and convexities that can further finely adjust the direction of refraction, brightness, light transmittance, etc.
  • FIG. 10 is a perspective view of an integrated optical film according to a second embodiment of the present application.
  • the integrated optical film 130 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, a second layer 2, and a first layer.
  • Two curable adhesive layers 92, and a third layer 3 ie, one optical layer.
  • the first layer 1 may be a diffusion layer
  • the second layer 2 and the third layer 3 may be refractive layers.
  • the pattern 11 of the first layer 1 has a concave shape
  • the pattern 21 of the second layer 2 has a prism column shape extending in the longitudinal direction of the second layer
  • the third layer 3 May have a prism pillar shape extending in the width direction of one optical layer 3 to be orthogonal to the prism pillar-shaped pattern of the second layer 2.
  • FIG. 11 is a perspective view of an integrated optical film according to a third embodiment of the present application.
  • an integrated optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer 2. Include.
  • the first layer 1 and the second layer 2 may be refractive layers.
  • the pattern 11 of the first layer 1 has a prism pillar shape extending in the longitudinal direction of the first layer 1, and the pattern 21 of the second layer 2 is formed of the first layer 1. It may have a prism pillar shape extending in the width direction of the second layer 2 to be orthogonal to the prism pillar shape pattern.
  • FIG. 12 is a perspective view of an integrated optical film according to a fourth embodiment of the present application.
  • the unitary optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer 2.
  • the first layer 1 may be a refractive layer
  • the second layer 2 may be a diffusion layer.
  • the second layer 2 which is a diffusion layer may be provided as a micro lens film.
  • the pattern 11 of the first layer 1 may have a prism pillar shape extending in the longitudinal direction of the first layer 1, and the pattern of the second layer 2 may have a convex shape.
  • FIG. 13 is a perspective view of an integrated optical film according to a fifth embodiment of the present application.
  • an integrated optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer 2. Include.
  • the first layer 1 and the second layer 2 may be diffusion layers.
  • the first layer 1 and the second layer 2, which are diffusion layers, may be provided as micro lens films.
  • the pattern 11 of the first layer 1 and the pattern 21 of the second layer 2 may be convex.
  • FIG. 14 is an exploded perspective view of an integrated optical film according to a sixth embodiment of the present application.
  • the unitary optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer 2. Include.
  • the first layer 1 may be a composite functional layer
  • the second layer 2 may be a diffusion layer.
  • the composite functional layer means not only refracting or diffusing light, but also a layer having a form of a pattern in which the refraction and diffusion of light can be harmonized by mutually controlling the degree of refraction and the degree of diffusion of light. do.
  • the composite functional layer may mean a layer in which a refractive sheet and a diffusion sheet are fused, that is, a layer having both a refractive function and a diffusion function.
  • the pattern 11 of the first layer 1 may have a truncated cone-shaped pattern 11 to act as such a composite functional layer.
  • the truncated cone shape means a truncated cone shape or truncated cone shape in which the upper end of the cone is cut off.
  • such a truncated cone shape may have a width (diameter) of a lower end portion of 50 ⁇ m, a diameter (width) of an upper end portion (frustum portion) of 2 ⁇ m, and a height of 24 ⁇ m.
  • the pattern 21 of the second layer 2, which is a diffusion layer may have a concave or convex shape.
  • the pattern 21 of the second layer 2 may be convex.
  • the second layer 2, which is a diffusion layer may be provided as a micro lens film.
  • the convex shape is not limited thereto, and may be convex in various sizes and shapes.
  • 15 is an exploded perspective view of an integrated optical film according to a seventh embodiment of the present application.
  • the integrated optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer 2. Include.
  • the first layer 1 may be a diffusion layer
  • the second layer 2 may be a composite functional layer.
  • the pattern 11 of the first layer 1, which is a diffusion layer may have a concave or convex shape.
  • the pattern 11 of the first layer 1 may have a concave shape.
  • the concave shape is not limited thereto, and may be recessed concave in various sizes and shapes (see FIG. 9B).
  • the pattern 21 of the second layer 2, which is a composite functional layer may have a truncated cone shape.
  • FIG 16 is an exploded perspective view of an integrated optical film according to an eighth embodiment of the present application.
  • an integrated optical film 120 may include a base layer 9, a first layer 1, a first curable adhesive layer 91, and a second layer 2. Include.
  • the first layer 1 may be a composite functional layer
  • the second layer 2 may be a refractive layer.
  • the pattern 11 of the first layer 1, which is a composite functional layer may have a truncated cone shape.
  • the pattern 21 of the second layer 2, which is a diffusion layer may have a prism pillar shape extending in the length direction of the second layer 2.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

L'invention se rapporte à un procédé de production de film optique intégré, le procédé de production de film optique intégré comprenant les étapes suivantes : (a) appliquer une couche de résine durcissable sur un premier moule ; (b) recouvrir la surface supérieure de la résine, qui a été appliquée sur le premier moule, avec une couche de substrat ; (c) former une première couche en faisant passer de la lumière à travers la résine recouverte par la couche de substrat ; (d) appliquer une couche de résine durcissable sur un second moule ; (e) recouvrir la surface supérieure de la résine, qui a été appliquée sur le second moule avec une première couche de contact durcissable présentant un film de démoulage stratifié sur sa surface supérieure, et former ensuite une seconde couche dans un état durci en faisant passer de la lumière à travers celle-ci ; (f) retirer le film de démoulage et stratifier la première couche et la couche de substrat, qui ont été détachées du premier moule, sur la première couche de contact durcissable ; et g) former un film optique à deux couches en intégrant les couches stratifiées en faisant passer de la lumière à travers celles-ci et en détachant le second moule.
PCT/KR2013/011254 2012-12-07 2013-12-06 Procédé de production de film optique intégré et film optique intégré WO2014088360A1 (fr)

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JP2004317755A (ja) * 2003-04-16 2004-11-11 Nikon Corp 光学素子及び光学素子の製造方法
KR20090034684A (ko) * 2007-10-04 2009-04-08 엘지전자 주식회사 광학필름의 제조방법
KR20090064257A (ko) * 2007-12-14 2009-06-18 주식회사 코오롱 광학 복합 부재
KR101137790B1 (ko) * 2011-05-06 2012-04-18 주식회사 앤앤드에프 광학부재 및 그 제조방법
KR101152966B1 (ko) * 2011-08-30 2012-06-08 주식회사 앤앤드에프 광학부재 및 그 제조방법

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Publication number Priority date Publication date Assignee Title
JP2004317755A (ja) * 2003-04-16 2004-11-11 Nikon Corp 光学素子及び光学素子の製造方法
KR20090034684A (ko) * 2007-10-04 2009-04-08 엘지전자 주식회사 광학필름의 제조방법
KR20090064257A (ko) * 2007-12-14 2009-06-18 주식회사 코오롱 광학 복합 부재
KR101137790B1 (ko) * 2011-05-06 2012-04-18 주식회사 앤앤드에프 광학부재 및 그 제조방법
KR101152966B1 (ko) * 2011-08-30 2012-06-08 주식회사 앤앤드에프 광학부재 및 그 제조방법

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