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WO2018016520A1 - Procédé de fabrication de plaque polarisante et appareil permettant de fabriquer ladite plaque - Google Patents

Procédé de fabrication de plaque polarisante et appareil permettant de fabriquer ladite plaque Download PDF

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Publication number
WO2018016520A1
WO2018016520A1 PCT/JP2017/026078 JP2017026078W WO2018016520A1 WO 2018016520 A1 WO2018016520 A1 WO 2018016520A1 JP 2017026078 W JP2017026078 W JP 2017026078W WO 2018016520 A1 WO2018016520 A1 WO 2018016520A1
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WO
WIPO (PCT)
Prior art keywords
polarizing plate
deformed
manufacturing
cutting
producing
Prior art date
Application number
PCT/JP2017/026078
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English (en)
Japanese (ja)
Inventor
宏太 仲井
直孝 樋口
岩本　正樹
勝則 高田
雄基 大瀬
亮 吉橋
Original Assignee
日東電工株式会社
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
Priority claimed from JP2017134354A external-priority patent/JP6899721B2/ja
Application filed by 日東電工株式会社 filed Critical 日東電工株式会社
Priority to CN201780002930.2A priority Critical patent/CN107924019B/zh
Priority to KR1020187005423A priority patent/KR102527432B1/ko
Publication of WO2018016520A1 publication Critical patent/WO2018016520A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Definitions

  • the present invention relates to a method of manufacturing a deformed polarizing plate and a manufacturing apparatus thereof. More specifically, the present invention relates to a method for manufacturing a deformed polarizing plate having a concave R portion and / or a hole and a manufacturing apparatus therefor. The present invention also relates to an optical film using the deformed polarizing plate. Further, the present invention relates to an image display device such as a liquid crystal display device, an organic EL display device, and a PDP using the deformed polarizing plate and the optical film.
  • a punching process in which an irregular shaped blade shape is formed and the polarizing plate is punched, or a cutting process using laser irradiation is included.
  • the former punching process it has been found that the polarizing plate is cracked or broken due to the damage of the pressing plate.
  • laser processing it has been found that the polarizing plate is discolored by heat.
  • there is a tendency for cracks and breaks to occur in a recessed portion such as small diameter hole processing and small diameter concave R processing.
  • the present invention is a method for producing a deformed polarizing plate having a small-diameter concave R portion and / or a hole, in particular, and the occurrence or discoloration of cracks or breaks generated in the deformed polarizing plate during processing.
  • An object of the present invention is to provide a method for producing an irregularly shaped polarizing plate and an apparatus for producing the same.
  • the present inventors have found that the above object can be achieved by the following production method and the like, and have completed the present invention.
  • the method for producing the deformed polarizing plate of the present invention is as follows: A method for producing a deformed polarizing plate having a concave R portion, The method includes a step of forming the concave R portion by using a cutting means in which the blade comes into contact with the cutting surface from the lateral direction to perform cutting.
  • the method for producing a deformed polarizing plate according to the present invention is produced at the time of processing of a polarizing plate, which has been difficult to suppress so far, particularly by using a means in which the blade comes into contact with the cutting surface of the polarizing plate from the lateral direction. Generation of cracks and breaks and discoloration can be suppressed, and in particular, it is possible to produce a deformed polarizing plate having a concave R portion with a small diameter.
  • the concave R portion refers to a portion having a concave portion and a curved portion, and includes a corner portion of the concave portion having a curved shape such as a circle, an ellipse, or a substantially circular shape.
  • the convex R portion refers to a portion having a convex portion and a curved portion, and includes a convex portion having a curved portion such as a circle, an ellipse, or a substantially circular shape.
  • the concave R part and the convex R part shown in FIG. 1 can be mentioned.
  • the radius of the concave R portion is 5 mm or less.
  • the radius of the concave R portion is the radius of the circle when the R portion is circular, and the radius of curvature when the R portion is not circular such as an ellipse or a substantially circular shape.
  • the cutting means is preferably an end mill.
  • the cutting angle formed by the processing direction and the blade surface of the blade is 60 ° or more.
  • the manufacturing apparatus of the deformed polarizing plate of the present invention is An apparatus for producing a deformed polarizing plate having a concave R portion, It is characterized by comprising cutting means for cutting with the blade coming into contact with the cutting surface from the lateral direction.
  • the radius of the concave R portion is preferably 5 mm or less.
  • the cutting means is preferably an end mill.
  • the cutting angle formed by the processing direction by the cutting means and the blade surface of the blade is 60 ° or more.
  • the manufacturing method of the deformed polarizing plate of the present invention is as follows: A method for producing a deformed polarizing plate having a hole, It includes the step of forming the hole using an end mill.
  • the hole portion refers to a portion having a hole such as a circle, an ellipse, a substantially circle, or a square, for example, that penetrates the polarizing plate.
  • a hole such as a circle, an ellipse, a substantially circle, or a square, for example, that penetrates the polarizing plate.
  • the radius of the hole is preferably 5 mm or less.
  • the radius of the hole means the radius of the circle when the hole is circular, and the radius of curvature when the hole is not circular such as an ellipse or a substantially circular shape.
  • a cutting angle formed by a processing direction and a blade surface of the end mill is 60 ° or more.
  • the manufacturing apparatus of the deformed polarizing plate of the present invention is An apparatus for manufacturing a deformed polarizing plate having a hole, An end mill is provided.
  • the radius of the hole is preferably 5 mm or less.
  • the cutting angle formed by the processing direction and the end mill blade surface is 60 ° or more.
  • An example of the deformed polarizing plate obtained by the method for producing a deformed polarizing plate of the present invention is shown.
  • An example of embodiment of the manufacturing method of the deformed polarizing plate of this invention is shown.
  • An example of embodiment of the manufacturing method of the deformed polarizing plate of this invention is shown.
  • An example of the end mill in the manufacturing method of the shape polarizing plate of this invention is shown.
  • An example of the end mill in the manufacturing method of the shape polarizing plate of this invention is shown.
  • the processing shape implemented in the Example of this invention is shown.
  • the processing shape implemented in the Example of this invention is shown.
  • the method for producing the deformed polarizing plate of the present invention is as follows: A method for producing a deformed polarizing plate having a concave R portion, The method includes a step of forming the concave R portion by using a cutting means in which the blade comes into contact with the cutting surface from the lateral direction to perform cutting.
  • the manufacturing method of the deformed polarizing plate of the present invention is as follows: A method for producing a deformed polarizing plate having a hole, It includes the step of forming the hole using an end mill.
  • the method for producing a deformed polarizing plate according to the present invention includes a step of forming the concave R portion and / or the hole portion using a cutting means in which a blade comes into contact with the cutting surface in a lateral direction and cuts. .
  • a means that the blade comes into contact with the cutting surface of the polarizing plate from the lateral direction it has been difficult to suppress until now, suppressing the occurrence of cracks and breakage and discoloration that occur during processing of the polarizing plate,
  • the cutting means that the blade comes into contact with the cutting surface from the lateral direction and performs cutting is, for example, canna machining (processing in which the machining surface is cut in parallel with a projecting blade having a rotation axis parallel to the machining surface). And a method of using end milling or the like.
  • the cutting means is an end mill when small diameter concave R processing or small diameter hole processing is performed.
  • an end mill is used as the cutting means.
  • an end mill is a type of cutting tool that can be machined in a direction perpendicular to the rotation axis, unlike a drill that only works in the axial direction (only for drilling).
  • the rotation of the blade portion that performs cutting is, for example, as shown in FIG. 2, a rotation axis that is parallel to the cutting surface (for example, the rotation axis is perpendicular to the polarizing plate surface).
  • the polarizing plate can be cut by an end mill in the processing direction while performing the rotation continuously, stepwise, or intermittently.
  • cutting is performed in a state where the blade portion of the end mill is in contact with the cutting surface from the lateral direction.
  • the blade hits and is cut from the upper surface of the polarizing plate (in FIG. 2, the direction parallel to the cutting surface, the direction perpendicular to the polarizing plate surface). It becomes.
  • the radius of the concave R portion is 5 mm or less, it can be easily produced and processed.
  • the radius may be 1 mm or more and 5 mm or less, and may be 1 mm or more and 4 mm or less, or 2 mm or more and 3 mm or less.
  • the radius may be 1 mm or more and 5 mm or less, and may be 1 mm or more and 4 mm or less, or 2 mm or more and 3 mm or less.
  • the cutting angle formed by the processing direction and the blade surface of the blade is 60 ° or more.
  • the cutting angle is preferably 60 ° to 90 °, may be 65 ° to 90 °, may be 70 ° to 85 °, and may be 70 ° to 80 °.
  • the cutting angle refers to the cutting angle formed by the processing direction by the cutting means and the blade surface of the blade, and an example of processing by an end mill is shown in FIG.
  • the angle between the end mill's rotation axis and the blade is called the twist angle, but when the end mill's rotation axis is perpendicular to the machining direction as shown in Fig. 3, the twist angle of the end mill blade from 90 °.
  • the angle obtained by subtracting is the cutting angle.
  • the manufacturing apparatus of the deformed polarizing plate of the present invention is An apparatus for producing a deformed polarizing plate having a concave R portion, It is characterized by comprising cutting means for cutting with the blade coming into contact with the cutting surface from the lateral direction.
  • the cutting means that includes the end mill and that the blade comes into contact with and cuts from the above-described cutting surface from the lateral direction is appropriately provided in the apparatus by a known method. it can.
  • the radius of the concave R portion is 5 mm or less, it can be easily manufactured and processed.
  • the radius may be 1 mm or more and 5 mm or less, and may be 1 mm or more and 4 mm or less, or 2 mm or more and 3 mm or less.
  • the cutting angle formed by the processing direction by the cutting means and the blade surface of the blade is 60 ° or more.
  • the cutting angle is preferably 60 ° to 90 °, may be 65 ° to 90 °, may be 70 ° to 85 °, and may be 70 ° to 80 °.
  • the manufacturing apparatus of the deformed polarizing plate of the present invention is An apparatus for manufacturing a deformed polarizing plate having a hole, An end mill is provided.
  • the above-described end mill can be appropriately provided in the apparatus by a known technique.
  • the apparatus for manufacturing a deformed polarizing plate of the present invention for example, even if the hole has a radius of 5 mm or less, it can be easily manufactured and processed.
  • the radius may be 1 mm or more and 5 mm or less, and may be 1 mm or more and 4 mm or less, or 2 mm or more and 3 mm or less.
  • the cutting angle formed by the processing direction by the cutting means and the blade surface of the blade is 60 ° or more.
  • the cutting angle is preferably 60 ° to 90 °, may be 65 ° to 90 °, may be 70 ° to 85 °, and may be 70 ° to 80 °.
  • FIGS. 4 and 5 show an example in which the number of blades is 2, 3, 4, or 6.
  • the number of blades is preferably 1 to 6, and the number of blades may be 1 to 4.
  • the rake angle of the end mill blade is preferably 0 to less than 15 °, and may be 3 to 12 °. If the rake angle is 15 ° or more, the blade tends to be chipped.
  • the clearance angle of the end mill blade is preferably greater than 0 ° and less than 20 °, and may be 3 to 15 °.
  • the relief angle is 0 °, the film is rubbed with the film, and when the relief angle is 20 ° or more, the blade is easily chipped.
  • the twist angle of the end mill blade is preferably ⁇ 75 ° to 75 °, and may be ⁇ 65 ° to 65 °. When the twist angle exceeds the above range, it becomes easy to cause a scrap discharge failure.
  • the blade diameter (outer diameter) ⁇ of the end mill blade is preferably 3 to 30 mm, and may be 5 to 25 mm. If the blade diameter ⁇ is smaller than 3 mm, it is easy to break, and if it is larger than 30 mm, it is difficult to perform fine profile processing.
  • the feed speed of the end mill blade is preferably 100 to 10,000 mm / min, and may be 200 to 8000 mm / min.
  • the rotation speed of the end mill blade is preferably 1000 to 120,000 rpm, and may be 2000 to 60000 rpm, or 3000 to 50000 rpm. If the rotational speed is slower than 1000 rpm, it may cause cracks, while if it is faster than 60000 rpm, it may generate heat and cause damage to the polarizing plate or the like.
  • the polarizing plate used in the present invention is not particularly limited, and a known polarizing plate can be used as appropriate.
  • Examples of the polarizing plate include a polarizing plate manufactured by stretch molding and a polarizing plate manufactured by coating molding.
  • the polarizer is not particularly limited, and various types can be used.
  • the polarizer include hydrophilic polymer films such as polyvinyl alcohol film, partially formalized polyvinyl alcohol film, and ethylene / vinyl acetate copolymer partially saponified film, and two colors such as iodine and dichroic dye.
  • polyene-based oriented films such as those obtained by adsorbing a functional material and uniaxially stretched, polyvinyl alcohol dehydrated products, and polyvinyl chloride dehydrochlorinated products.
  • a polarizer composed of a polyvinyl alcohol film and a dichroic material such as iodine is preferable.
  • Polyvinyl alcohol or a derivative thereof is used for the material of the polyvinyl alcohol film applied to the polarizer.
  • Derivatives of polyvinyl alcohol include polyvinyl formal, polyvinyl acetal and the like, olefins such as ethylene and propylene, unsaturated carboxylic acids such as acrylic acid, methacrylic acid and crotonic acid, alkyl esters thereof, acrylamide and the like. can give.
  • Polyvinyl alcohol having a polymerization degree of about 1000 to 10,000 and a saponification degree of about 80 to 100 mol% is generally used.
  • the polyvinyl alcohol film (unstretched film) is at least subjected to uniaxial stretching treatment and iodine dyeing treatment according to a conventional method. Furthermore, boric acid treatment and iodine ion treatment can be performed. Moreover, the polyvinyl alcohol film (stretched film) subjected to the above treatment is dried according to a conventional method to become a polarizer.
  • the polarizing plate used in the present invention may be one in which a protective film is bonded to at least one side of a polarizer via an adhesive.
  • the protective film may be bonded to one side or both sides of the polarizer.
  • the protective film may have other optical functions at the same time, and may be formed by laminating other layers.
  • the protective film on one side and the protective film on the other side may be the same or different. Further, at least one protective film may be used per side, and a laminate of two or more layers may be used.
  • the thickness of the protective film can be appropriately determined, but is generally about 1 to 500 ⁇ m from the viewpoints of workability such as strength and handleability and thin layer properties. 1 to 300 ⁇ m is particularly preferable, and 5 to 200 ⁇ m is more preferable.
  • thermoplastic resins that are excellent in transparency, mechanical strength, thermal stability, and moisture barrier properties. Moreover, when optical isotropy is requested
  • thermoplastic resins include, for example, polyester resins, polyethersulfone resins, polysulfone resins, polycarbonate resins, polyamide resins, polyimide resins, polyolefin resins, and (meth) acrylic resins. , Norbornene resins, polyarylate resins, and mixtures thereof.
  • thermosetting resins such as (meth) acrylic resins or ultraviolet curable resins can also be used. Among the above, in terms of moisture permeability and optical characteristics, it is preferable to use (meth) acrylic resin, polyimide resin, or norbornene resin.
  • the cell-side protective film may have a retardation function for viewing angle compensation, and the opposite side of the cell-side protective film may or may not have a phase difference.
  • the surface of the protective film that adheres to the polarizer can be subjected to easy adhesion treatment.
  • the easy adhesion treatment include dry treatment such as plasma treatment and corona treatment, chemical treatment such as alkali treatment (saponification treatment), and coating treatment for forming an easy adhesion layer.
  • a coating treatment or an alkali treatment for forming an adhesive layer is preferable.
  • Various easily adhesive materials such as polyol resin, polycarboxylic acid resin, and polyester resin can be used for forming the easily adhesive layer.
  • the thickness of the easy adhesion layer is usually about 0.001 to 10 ⁇ m, more preferably about 0.001 to 5 ⁇ m, and particularly preferably about 0.001 to 1 ⁇ m.
  • the surface of the protective film to which the polarizer is not adhered may be subjected to a treatment for the purpose of hard coat layer, antireflection treatment, sticking prevention, diffusion or antiglare.
  • the adhesive constituting the polarizing plate is not particularly limited as long as it is optically transparent, and water-based, solvent-based, hot-melt, and radical-curing types can be used.
  • a mold adhesive is preferred.
  • the water-based adhesive forming the adhesive layer is not particularly limited, and examples thereof include vinyl polymer-based, gelatin-based, vinyl-based latex-based, polyurethane-based, isocyanate-based, polyester-based, and epoxy-based materials.
  • radical curable adhesive examples include various active energy ray curable types such as an electron beam curable type and an ultraviolet ray curable type, and a thermosetting type, but there are active energy ray curable types that can be cured in a short time. preferable.
  • the method for producing a deformed polarizing plate of the present invention is a method for producing a deformed polarizing plate having a concave R portion and / or a hole, and a cutting means in which a blade comes into contact with a cutting surface such as an end mill and cuts from the lateral direction. And a step of forming the concave R portion by using the step.
  • the production of the polarizing plate itself before the formation of the concave R portion and / or the hole portion used in the present invention can be appropriately used with a known method.
  • the step of forming the concave R portion using a cutting means in which the blade abuts against the cutting surface such as an end mill from the lateral direction and cuts may be performed after manufacturing the polarizing plate itself. In some cases, it may be performed during the manufacturing process of the polarizing plate itself.
  • a known method may be appropriately used for the cutting or the like.
  • a rectangular shape or the like is made by a conventional method using a laser or the like, and in the stage of forming the fine concave R portion and / or hole portion, It can also be used appropriately as a manufacturing method.
  • the shape of the polarizing plate at the time of the cutting is not particularly limited, but it is generally a quadrangle, and may be cut in the absorption axis direction and the transmission axis direction in the polarizing plate.
  • laser cutting may be performed on at least one edge, but it is preferable to perform the cutting in the absorption axis direction, the transmission axis direction, or both.
  • the production of the polarizing plate itself can be performed, for example, in a process of producing the polarizer and the protective film by bonding them using the adhesive.
  • a protective film can be provided on one or both sides of the polarizer via an adhesive layer formed of the polarizing plate adhesive.
  • the polarizing plate can be used as an optical film laminated with another optical layer in practical use.
  • the deformed polarizing plate in the method for producing a deformed polarizing plate of the present invention includes a deformed polarizing film and a deformed optical film in which at least one polarizing plate is laminated. In the production method of the present invention, it may be an optical film after first undergoing a processing step for deforming the polarizing plate itself, or may be subjected to a processing step for deforming the optical film first, and both are used in combination as appropriate. May be.
  • the optical layer is not particularly limited.
  • a liquid crystal display device such as a reflection plate, a semi-transmission plate, a retardation plate (including wavelength plates such as 1/2 and 1/4), and a viewing angle compensation film.
  • One or more optical layers that may be used can be used.
  • a reflective polarizing plate or a semi-transmissive polarizing plate in which a reflecting plate or a semi-transmissive reflecting plate is further stacked on the polarizing plate an elliptical polarizing plate or a circular polarizing plate in which a retardation plate is further stacked on the polarizing plate,
  • a wide viewing angle polarizing plate in which a viewing angle compensation film is further laminated on the polarizing plate, or a polarizing plate in which a brightness enhancement film is further laminated on the polarizing plate are preferable.
  • An adhesive layer for adhering to other members such as a liquid crystal cell may be provided on the polarizing plate described above or an optical film in which at least one polarizing plate is laminated.
  • the pressure-sensitive adhesive forming the pressure-sensitive adhesive layer is not particularly limited.
  • an acrylic polymer, silicone-based polymer, polyester, polyurethane, polyamide, polyether, fluorine-based or rubber-based polymer is appropriately selected.
  • an acrylic adhesive that is excellent in optical transparency, exhibits appropriate wettability, cohesiveness, and adhesive pressure-sensitive adhesive properties, and is excellent in weather resistance, heat resistance, and the like can be preferably used.
  • Attaching an adhesive layer to one or both sides of a polarizing plate or an optical film can be performed by an appropriate method.
  • a pressure-sensitive adhesive solution of about 10 to 40% by weight in which a base polymer or a composition thereof is dissolved or dispersed in a solvent composed of a suitable solvent alone or a mixture such as toluene and ethyl acetate is prepared.
  • the method of moving up is mentioned.
  • the adhesive layer can be provided on one side or both sides of a polarizing plate or an optical film as a superimposed layer of different compositions or types. Moreover, when providing in both surfaces, it can also be set as the adhesion layers of a different composition, a kind, thickness, etc. in the front and back of a polarizing plate or an optical film.
  • the thickness of the pressure-sensitive adhesive layer can be appropriately determined according to the purpose of use and adhesive force, and is generally 1 to 500 ⁇ m, preferably 5 to 200 ⁇ m, and particularly preferably 10 to 100 ⁇ m.
  • the exposed surface of the adhesive layer is temporarily covered with a separator for the purpose of preventing contamination until it is put to practical use. Thereby, it can prevent contacting an adhesion layer in the usual handling state.
  • a separator for example, a suitable thin leaf body such as a plastic film, rubber sheet, paper, cloth, nonwoven fabric, net, foamed sheet or metal foil, and a laminate thereof, if necessary, a silicone type or Appropriate ones according to the prior art, such as those coated with an appropriate release agent such as long-chain alkyl, fluorine-based or molybdenum sulfide, can be used.
  • the polarizing plate or the optical film can be preferably used for forming various devices such as a liquid crystal display device.
  • Examples and comparative examples The processing in Examples 1-2 and Comparative Examples 1-3 was performed by processing into the conditions shown in Table 1 below and the processing shape shown in FIG. In addition, a laminate obtained by laminating a surface protecting film (PPF-100T) manufactured by Nitto Denko Corporation on a polarizing plate manufactured by Nitto Denko Corporation (NPF-CWQ1463VDUAG380-ACJ) was used as a workpiece.
  • the unit in FIG. 6 is mm.
  • each atypical polarizing plate processed and manufactured according to the examples and comparative examples were measured and evaluated as follows.
  • “ ⁇ ” indicates that cracks, breaks, or discoloration did not occur at each end after processing and manufacture, and “ ⁇ ” indicates that cracks, breaks, or discoloration occurred.
  • the size of those defects was measured using a microscope (OLIMPUS optical microscope BX51).
  • Example 1 in the concave R, the R minimum value was 3 mm. In Example 2, the minimum value of R in the concave R was 62.5 mm. On the other hand, in Comparative Examples 1 and 2, cracks of up to 100 ⁇ m occurred. Further, in Comparative Examples 1 and 2, a maximum fold of 1000 ⁇ m occurred. Further, in Comparative Example 3, the maximum color change of 50 ⁇ m occurred.
  • Examples 3 to 5 and Comparative Examples 4 to 5 was performed by processing into the conditions shown in Table 3 below and the processing shape shown in FIG. Moreover, the laminated body which laminated
  • the processing conditions for the Thomson mold in Comparative Example 5 are the same as in Comparative Example 1.
  • R of the recessed part in FIG. 7 is 3 mm.
  • the maximum value of the delamination amount was less than 0 ⁇ m in any of the corner, straight line, and recess.
  • the maximum value of the delamination amount was 60 ⁇ m or more in any of the corners, straight lines, and recesses.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)

Abstract

La présente invention concerne : un procédé de fabrication d'une plaque polarisante de forme irrégulière qui possède en particulier une partie trou et/ou une partie ronde évidée possédant un petit diamètre et grâce auquel une décoloration et une fissure ou une rupture générées pendant l'usinage sont supprimées ; et un appareil permettant de fabriquer la plaque polarisante de forme irrégulière. Le procédé de fabrication d'une plaque polarisante de forme irrégulière possédant une partie ronde évidée, comprend une étape de formation de la partie ronde évidée à l'aide d'un moyen de coupe permettant de découper une surface à couper avec une lame en contact transversal avec la surface.
PCT/JP2017/026078 2016-07-22 2017-07-19 Procédé de fabrication de plaque polarisante et appareil permettant de fabriquer ladite plaque WO2018016520A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780002930.2A CN107924019B (zh) 2016-07-22 2017-07-19 偏振板的制造方法及其制造装置
KR1020187005423A KR102527432B1 (ko) 2016-07-22 2017-07-19 편광판의 제조 방법 및 그 제조 장치

Applications Claiming Priority (4)

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JP2016144577 2016-07-22
JP2016-144577 2016-07-22
JP2017134354A JP6899721B2 (ja) 2016-07-22 2017-07-10 偏光板の製造方法およびその製造装置
JP2017-134354 2017-07-10

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Cited By (14)

* Cited by examiner, † Cited by third party
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WO2019181100A1 (fr) * 2018-03-22 2019-09-26 日東電工株式会社 Procédé de fabrication d'une feuille de résine usinée non linéairement
JP2019191556A (ja) * 2018-04-24 2019-10-31 住友化学株式会社 積層体
CN110398800A (zh) * 2018-04-24 2019-11-01 住友化学株式会社 层叠体
KR20200026742A (ko) * 2018-09-03 2020-03-11 스미또모 가가꾸 가부시키가이샤 광학 필름
WO2020095579A1 (fr) * 2018-11-06 2020-05-14 住友化学株式会社 Plaque de polarisation
JP2020126275A (ja) * 2020-05-15 2020-08-20 住友化学株式会社 偏光板
JP2020170175A (ja) * 2020-06-09 2020-10-15 住友化学株式会社 偏光板、画像表示装置及び偏光板の製造方法
JP2021018416A (ja) * 2019-07-17 2021-02-15 住友化学株式会社 粘着剤層付偏光板
CN112666647A (zh) * 2019-10-15 2021-04-16 住友化学株式会社 光学构件的制造方法
WO2021117289A1 (fr) * 2019-12-11 2021-06-17 日東電工株式会社 Plaque de polarisation, ensemble de plaques de polarisation et dispositif d'affichage d'image
JP2021516626A (ja) * 2018-03-07 2021-07-08 エルジー・ケム・リミテッド 切削装置およびこれを用いたフィルム積層体の面取方法
JP2021128202A (ja) * 2020-02-12 2021-09-02 住友化学株式会社 表示装置
JP2023062003A (ja) * 2019-02-20 2023-05-02 日東電工株式会社 切削加工された粘着剤層付光学積層体の製造方法
TWI849003B (zh) * 2018-11-29 2024-07-21 日商住友化學股份有限公司 偏光板

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001054845A (ja) * 1999-08-11 2001-02-27 Sumitomo Chem Co Ltd 積層フィルムの周縁の仕上げ方法
JP2004283965A (ja) * 2003-03-24 2004-10-14 Dijet Ind Co Ltd エンドミル
JP2006221133A (ja) * 2005-01-17 2006-08-24 Noba Denko Kk 調光めがね
JP2016182658A (ja) * 2015-03-26 2016-10-20 ナカオテクニカ株式会社 加工装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001054845A (ja) * 1999-08-11 2001-02-27 Sumitomo Chem Co Ltd 積層フィルムの周縁の仕上げ方法
JP2004283965A (ja) * 2003-03-24 2004-10-14 Dijet Ind Co Ltd エンドミル
JP2006221133A (ja) * 2005-01-17 2006-08-24 Noba Denko Kk 調光めがね
JP2016182658A (ja) * 2015-03-26 2016-10-20 ナカオテクニカ株式会社 加工装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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WO2019181100A1 (fr) * 2018-03-22 2019-09-26 日東電工株式会社 Procédé de fabrication d'une feuille de résine usinée non linéairement
JP2019166583A (ja) * 2018-03-22 2019-10-03 日東電工株式会社 非直線加工された樹脂シートの製造方法
JP7018339B2 (ja) 2018-03-22 2022-02-10 日東電工株式会社 非直線加工された樹脂シートの製造方法
CN111867765B (zh) * 2018-03-22 2023-09-29 日东电工株式会社 非直线加工的树脂片的制造方法
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KR20190123688A (ko) * 2018-04-24 2019-11-01 스미또모 가가꾸 가부시키가이샤 적층체
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KR102642673B1 (ko) * 2018-04-24 2024-02-29 스미또모 가가꾸 가부시키가이샤 적층체
KR20200026742A (ko) * 2018-09-03 2020-03-11 스미또모 가가꾸 가부시키가이샤 광학 필름
KR102257263B1 (ko) 2018-09-03 2021-05-26 스미또모 가가꾸 가부시키가이샤 광학 필름
JP2020076839A (ja) * 2018-11-06 2020-05-21 住友化学株式会社 偏光板、画像表示装置及び偏光板の製造方法
WO2020095579A1 (fr) * 2018-11-06 2020-05-14 住友化学株式会社 Plaque de polarisation
TWI849003B (zh) * 2018-11-29 2024-07-21 日商住友化學股份有限公司 偏光板
JP7378653B2 (ja) 2019-02-20 2023-11-13 日東電工株式会社 切削加工された粘着剤層付光学積層体の製造方法
JP2023062003A (ja) * 2019-02-20 2023-05-02 日東電工株式会社 切削加工された粘着剤層付光学積層体の製造方法
JP2021018416A (ja) * 2019-07-17 2021-02-15 住友化学株式会社 粘着剤層付偏光板
CN112666647A (zh) * 2019-10-15 2021-04-16 住友化学株式会社 光学构件的制造方法
WO2021117289A1 (fr) * 2019-12-11 2021-06-17 日東電工株式会社 Plaque de polarisation, ensemble de plaques de polarisation et dispositif d'affichage d'image
JPWO2021117289A1 (fr) * 2019-12-11 2021-06-17
JP7504913B2 (ja) 2019-12-11 2024-06-24 日東電工株式会社 偏光板、偏光板のセットおよび画像表示装置
JP2022000693A (ja) * 2020-02-12 2022-01-04 住友化学株式会社 粘着剤層付き光学積層体及び表示装置
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