WO2009116568A1 - Appareil et procédé de nettoyage de laminé en feuille - Google Patents

Appareil et procédé de nettoyage de laminé en feuille Download PDF

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Publication number
WO2009116568A1
WO2009116568A1 PCT/JP2009/055269 JP2009055269W WO2009116568A1 WO 2009116568 A1 WO2009116568 A1 WO 2009116568A1 JP 2009055269 W JP2009055269 W JP 2009055269W WO 2009116568 A1 WO2009116568 A1 WO 2009116568A1
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WO
WIPO (PCT)
Prior art keywords
sheet laminate
cleaning
sheet
laminate
back surfaces
Prior art date
Application number
PCT/JP2009/055269
Other languages
English (en)
Japanese (ja)
Inventor
裕史 庄子
Original Assignee
シャープ株式会社
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
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN200980109884.1A priority Critical patent/CN101977700B/zh
Publication of WO2009116568A1 publication Critical patent/WO2009116568A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0028—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by adhesive surfaces

Definitions

  • the present invention relates to a cleaning device and a cleaning method for a sheet laminate, and more particularly to a cleaning device and a cleaning method for a sheet laminate used for cleaning an optical sheet used in a liquid crystal display device or the like.
  • a planar light emitting device used for illuminating a liquid crystal display element includes at least one prism sheet having a condensing function and at least one diffusion sheet that uniformly diffuses emitted light.
  • Optical sheets such as a prism sheet and a diffusion sheet can be obtained by punching only the optical sheet into a predetermined shape in a state where the optical sheet is bonded to the conveying sheet. The punched optical sheets are taken out one by one by hand, for example, and assembled into a planar light emitting device. On the other hand, when the process of taking out the punched optical sheet is automated, a method of picking up the surface of the optical sheet and taking it out one by one is used.
  • Patent Document 1 relating to a method in which a plurality of optical sheets are laminated and cut into a predetermined shape, and the plurality of optical sheets are handled while being laminated is cited.
  • the optical sheet cutting process required for the number of optical sheets incorporated in the planar light emitting device is completed for each planar light emitting device in one step. Is good.
  • since a plurality of optical sheets are handled in a stacked state there is a low possibility that dust will enter between the optical sheets, and an improvement in product yield can be expected.
  • Patent Document 2 discloses a method in which a plurality of optical sheets are laminated and cut into a predetermined shape and cleaned while the plurality of optical sheets are laminated. According to the method disclosed in Patent Document 2, the front surface, back surface, and side surface of each optical sheet are cleaned before laminating the optical sheets, and further, the surface of the optical sheet laminate after laminating and cutting the optical sheets, Since the back surface and the side surface are cleaned, there is an effect that dust adhering to them is reduced, and improvement in productivity can be expected as well as improvement in product yield.
  • Patent Documents 1 and 2 have a problem that foreign matter is generated between the laminated optical sheets.
  • the optical sheet laminate in which the sheet is cut into a predetermined shape and the peripheral edges are joined is surrounded by the punched laminate when passing through the cleaning device.
  • the front and back surfaces can be cleaned, but the side surfaces are difficult to clean.
  • the optical sheet laminate cut into a predetermined shape is only surrounded by the punched laminate, and is not subjected to any other restraining force. It can move freely without staying in position. For this reason, it is difficult to accurately pass the cut optical sheet laminate to the cleaning device or to accurately convey it to the next process.
  • the present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a cleaning device and a cleaning method capable of suppressing foreign matter from being generated between the sheets on the front and back surfaces of the sheet laminate. It is.
  • the sheet laminate cleaning device of the present invention is a sheet laminate cleaning apparatus for cleaning the front and back surfaces of a sheet laminate in which a plurality of sheets are laminated.
  • a cleaning member for cleaning foreign matter on the front and back surfaces, a sandwiching member for sandwiching the sheet laminate in a cantilever manner, and a direction of the sheet laminate in a direction substantially parallel to a sandwiching surface of the sheet laminate sandwiched by the sandwiching member It is characterized by comprising an airflow generating means for generating an airflow along the front and back surfaces.
  • the sheet laminate is held by both the cantilever clamping member and the airflow generating means.
  • the airflow generation means generates an airflow along the front and back surfaces of the sheet laminate, stress is applied to the inner sheet side of the two front and back sheets. For this reason, it can suppress that the sheet
  • the sheet laminate cleaning method of the present invention is a method for cleaning a sheet laminate, in which the front and back surfaces of a sheet laminate formed by laminating a plurality of sheets are held and cleaned. Holding the sheet laminate by holding the laminate by cantilever and generating an air flow along the front and back surfaces of the sheet laminate in a direction substantially parallel to the sandwiching surface of the sandwiched sheet laminate. It is a feature.
  • the sheet laminate is held by both the cantilever clamping and the generation of airflow. Even when stress is applied to the front and back surfaces of the sheet laminate, the sheet on the front and back surfaces and the inner sheet on the front and back surfaces are only sandwiched by the sandwiching member when the sheet laminate is cleaned. Rub is unlikely to occur. Moreover, since airflow is generated along the front and back surfaces of the sheet laminate, stress is applied to the inner sheet side of the two front and back sheets. For this reason, it can suppress that the sheet
  • FIG. 1 is a cross-sectional view of a cleaning device (sheet laminate cleaning device) 10 according to the present invention as seen from the X direction.
  • the cleaning device 10 has a symmetrical shape in the X-axis direction.
  • the cleaning device 10 includes an upper clamping member (clamping member) 2a and a lower clamping member (clamping member) 2b that clamp the sheet material (sheet laminate) 1 and an upper cleaning member (cleaning member) 3a that cleans the sheet material 1. , A lower cleaning member (cleaning member) 3b, and a suction nozzle (airflow generating means) 5 having a suction opening 4 for generating an airflow along the sheet material 1.
  • the sheet material 1 is to be cleaned by the cleaning device 10.
  • the sheet surface located on the outermost side of the sheet material 1 is the front and back surfaces of the sheet material 1.
  • the sheet material 1 is formed by laminating a plurality of sheets, and the sheet material 1 has a three-layer structure.
  • the number of sheets is not limited to this, and it is sufficient that the sheet is composed of a plurality of sheets. For example, it may be composed of 2 to 20 sheets.
  • seat material 1 will not be specifically limited if it is a sheet form, Optical films, such as a polarizing film, a lens sheet, a diffusion sheet, a prism sheet, PET film (polyethylene terephthalate film), a urethane film, etc.
  • Optical films such as a polarizing film, a lens sheet, a diffusion sheet, a prism sheet, PET film (polyethylene terephthalate film), a urethane film, etc.
  • the polymer film and paper can be used.
  • the sheet material 1 is an optical sheet including an optical film
  • the optical sheet is likely to have a defect such as a bright spot caused by a foreign matter. Therefore, it is suitable as a cleaning target of the cleaning device 10 of the present invention that can suitably remove foreign matter.
  • the cleaning device 10 of the present invention By cleaning the optical sheet with the cleaning device 10, foreign matters such as film residue and dust can be removed with high cleaning performance, and the productivity and yield of the optical sheet can be improved.
  • the upper clamping member 2a and the lower clamping member 2b are members for supporting the sheet material 1, and the sheet material 1 is referred to as the upper clamping member 2a. And it is clamped in a cantilever manner by the lower clamping member 2b.
  • the cantilever means that the sheet material 1 is sandwiched at one place as shown in FIG.
  • a plurality of the clamping members 2 may be provided within a range not departing from the present invention.
  • a gripping member that grips the sheet material 1 can be used instead of the sandwiching member 2.
  • the sandwiching member 2 does not include the center of gravity of the sheet material 1, specifically, the position not including at least the center of the sheet material 1 in the Y-axis direction. It is preferable that it is hold
  • the upper cleaning member 3a and the lower cleaning member 3b (hereinafter, both members may be appropriately referred to as “cleaning member 3”) are provided on both sides in the thickness direction (Z-axis direction) with the sheet material 1 interposed therebetween.
  • the cleaning member 3 is an adhesive roller.
  • the cleaning member 3 may be cleaned by adhesion, but is not limited to this as long as foreign matter on the front and back surfaces of the sheet material 1 can be removed.
  • a suction nozzle can be cited as a configuration based on air suction
  • a charging roller charged to a negative charge can be cited as a configuration based on electrostatic attraction.
  • the sandwiching member 2 and the cleaning member 3 are respectively provided so as to be able to approach and separate from each other in a predetermined displacement direction Z. Further, the cleaning member 3 is provided to be displaceable in a predetermined displacement direction Y.
  • the suction nozzle 5 is a member that generates an air flow along the front and back surfaces of the sheet material 1.
  • the suction nozzle 5 has a suction opening 4.
  • the suction nozzle 5 is configured to decompress the suction opening 4 and generate a suction force.
  • a configuration that replaces this configuration for example, a configuration in which an airflow is generated by a fan may be used.
  • the suction nozzle 5 is disposed along the flow direction (Y-axis direction) of the sheet material 1.
  • the suction nozzle 5 is disposed on the side opposite to the clamping member 2 from the cleaning member 3.
  • the center position in the X direction of the suction opening 4 is on the straight line of the Y axis passing through the center position in the X direction of the sheet material 1 and orthogonal to the X axis, and the center position in the Z direction of the suction opening 4 is the upper holding member 2a. From the region sandwiched between the sandwiching surface and the sandwiching surface of the lower sandwiching member 2b, the position is included in the Y-axis region orthogonal to the Z-axis.
  • the suction nozzle 5 is provided so as to be displaceable with respect to a predetermined displacement direction Y.
  • the front and back surfaces of the sheet material 1 are cantilevered by the sandwiching member 2. In this state, since the sheet material 1 is only cantilevered, the film is in a suspended state. Thereafter, the front and back surfaces of the sheet material 1 are attracted by the suction nozzle 5 in a direction substantially parallel to the clamping surface of the sandwiched sheet material 1, that is, the surface where the clamping member 2 is in contact with the front and back surfaces of the sheet material 1. An air flow is generated along
  • the sheet material 1 is held by both the cantilever holding member 2 and the suction of the suction nozzle 5. Since the suction nozzle 5 generates an air flow along both the front and back surfaces, not one side of the sheet material 1, stress is applied to the inner sheet side of the two front and back sheets of the sheet material 1. . For this reason, it can suppress that the sheet
  • the sheet material 1 is held substantially parallel to the clamping surface. Note that “substantially parallel” indicates that the sheet material 1 in the direction of the suction nozzle 5 from the clamping surface is substantially parallel. If the sheet material 1 is held in this way, the effect of the present invention is sufficiently obtained. be able to. Of course, the sheet material 1 may be parallel to the clamping surface.
  • the sheet material 1 is an optical sheet
  • the cleaning device 10 can be used for such an optical sheet, this device is very excellent.
  • the operation of the cleaning device 10 is to move from the central portion of the sheet material 1 where the cleaning member 3 is held substantially in parallel to the end portion of the sheet material 1 on the opposite side to the sandwiching member 2. .
  • the cleaning member 3 does not move in the direction of the clamping member 2, even if stress is applied to the sheet material 1 by the cleaning member 3, it is possible to suppress the sheet material 1 from being bent due to distortion due to the stress.
  • the cleaning member 3 moves in the direction of the end portion of the sandwiching member 2, that is, in the direction of the suction nozzle 5, it supports the sheet and can hold the sheet material 1 even if the amount of airflow is small. It becomes.
  • FIG. 2 includes a cross-sectional view showing the suction nozzle 5 from the Y-axis direction.
  • A has shown the state which clamped the sheet
  • FIG. (B) in the figure shows a cleaning device 10a having suction nozzles 5a in which the shape of the suction nozzle 5 in the cleaning device 10 is different.
  • the height of the suction opening 4 in the width direction of the sheet material 1 is larger than the thickness of the sheet material 1.
  • the width of the suction opening 4 in the X-axis direction is the width L1, which is smaller than the width of the sheet material 1.
  • the height H of the suction opening 4 is the same as that of the cleaning device 10a, but the width of the suction opening with respect to the width direction of the sheet material 1 is The width L2 is larger than the width of the sheet laminate. If it is such a structure, since airflow can fully be generated with respect to the entire width of the sheet material 1, warpage or sagging in the width direction of the sheet material 1 can be further suppressed, and with respect to the clamping surface This is preferable because the posture of the sheet material 1 can be held more in parallel. That is, since the posture of the sheet material 1 can be kept substantially parallel, the friction between the films during cleaning can be further reduced. As a result, the sheet damage and the generation of foreign matters due to rubbing can be further suppressed, and the cleaning performance can be improved.
  • the sheet laminate cleaning method of the present invention is a method of cleaning a sheet laminate that holds and cleans the front and back surfaces of a sheet laminate formed by laminating a plurality of sheets, and sandwiches the sheet laminate by cantilevering. At the same time, the sheet laminate is held by generating an air flow along the front and back surfaces of the sheet laminate in a direction substantially parallel to the sandwiching surface of the sandwiched sheet laminate.
  • the cleaning method can be used as an operation of the cleaning device 10.
  • FIG. 3 is a cross-sectional view showing the cleaning operation of the cleaning device 10 according to the present invention from the X direction.
  • the cantilevered sheet material 1 is greatly warped or drooped in the Z-axis direction as it moves away from the clamping surface held by the clamping member 2 in the Y-axis direction. Become.
  • the suction nozzle 5 having the suction opening 4 is located on the opposite side of the sandwiching member 2 from the center in the Y-axis direction (flow direction) of the sheet material 1.
  • the posture of the sheet material 1 is corrected by multiplying the air flow generated by the suction nozzle 5.
  • the suction nozzle 5 is displaced in parallel to a straight line that is substantially parallel to the clamping surface, preferably parallel, and passes through the center position of the sheet material 1 in the X direction and is orthogonal in the X axis and Y axis directions.
  • FIG. 4 is a cross-sectional view of the cleaning device 10. This figure is a cross-sectional view from the X direction for explaining the cleaning operation of the side surface of the sheet material 1 by suction.
  • the suction opening 4 in the cleaning device 10 can accommodate the sheet material 1 because both the height and width are larger than the thickness and width of the sheet material 1.
  • the suction nozzle 5 After the air flow is generated by the suction nozzle 5, the front end portion of the sheet material 1 is accommodated in the suction opening 4, whereby the suction nozzle 5 can also be used as a foreign matter suction means. That is, in addition to the generation of the air current, an excellent effect that not only the front and back surfaces of the sheet material 1 but also the foreign matter adhering to the side surfaces can be removed. Note that the suction nozzle 5 may be used as a foreign matter suction means after the cleaning by the cleaning member 3 is completed.
  • the holding of the sheet material 1 is preferably continued until the cleaning of the sheet material 1 is completed. Accordingly, the sheet stack is maintained in a stable posture until the cleaning operation is completed, and therefore it is possible to further reduce the occurrence of damage and foreign matters due to rubbing between the sheets.
  • a pre-process for sandwiching the sheet material 1 by the sandwiching member 2 a plurality of sheets are cut into a product shape, that is, the shape (size) of the sheet material 1, and a plurality of the cut sheets are stacked. After obtaining the sheet material 1 by the above, it is preferable to sandwich the sheet laminate. Thus, since the sheet material 1 is held and cleaned immediately after the sheet material 1 is obtained, it is possible to further reduce the adhesion of foreign matters to the sheet laminate.
  • FIG. 5 is a cross-sectional view from the X-axis direction for explaining a conventional defect that occurs when the front and back surfaces of the sheet material 1 are cleaned by the cleaning member 3 that is an adhesive roller.
  • the cleaning operation shown in the figure is for cleaning the sheet material 1 without using the suction nozzle 5 for comparison with the present invention.
  • the cantilevered sheet material 1 is warped or drooped in the Z direction as the distance from the clamping surface increases in the Y direction.
  • the cleaning member 3 an adhesive roller having a high cleaning performance and capable of continuous cleaning is preferably used. In this case, it is necessary to sandwich the sheet material 1 with the cleaning member 3 from both sides in the thickness direction.
  • the sheet material 1 and the lower cleaning member 3b are placed before the sheet material 1 is sandwiched between the cleaning members 3. May come into contact. If the operation of sandwiching the sheet material 1 with the cleaning member 3 while the sheet material 1 is stuck to the lower cleaning member 3b is continued, the sheet material 1 may be bent as shown in FIG. This is not preferable.
  • FIG. 6 is a cross-sectional view from the X-axis direction for explaining a conventional defect that occurs when the front and back surfaces of the sheet material 1 are cleaned by the cleaning member 3 that is an adhesive roller.
  • the upper side cleaning member 3c and the lower side cleaning member 3d which used the adhesive roller diameter of the cleaning member 3 made small were used. ing.
  • FIG. 6B in the case of this configuration, since the diameter of the adhesive roller is small, the problem as shown in FIG. 5 does not occur and the sheet material 1 can be sandwiched without being bent. A deviation ⁇ 1 occurs between the sheets of the sheet material 1.
  • the cleaning device for a sheet laminate of the present invention is a cleaning member that cleans foreign matter on the front and back surfaces of the sheet laminate, a clamping member that cantilever the sheet laminate, and the clamping member. Is provided with an air flow generating means for generating an air flow along the front and back surfaces of the sheet laminate in a direction substantially parallel to the sandwiching surface of the sheet laminate.
  • the sheet laminate cleaning method of the present invention is a method of sandwiching the sheet laminate by cantilever and along the front and back surfaces of the sheet laminate in a direction substantially parallel to the sandwiching surface of the sandwiched sheet laminate. This is a method of holding a sheet laminate by generating an air flow.
  • the airflow generation means includes a suction opening disposed along the flow direction of the sheet laminate from the clamping member, and the suction opening is formed by a suction force. It is preferable to generate an air flow.
  • the airflow generation means can be configured simply.
  • the width of the suction opening in the width direction of the sheet laminate is larger than the width of the sheet laminate.
  • the height of the suction opening in the thickness direction of the sheet laminate is larger than the thickness of the sheet laminate.
  • the air flow generated by the air flow generation unit can be generated along the entire front and back surfaces of the sheet laminate. As a result, it is possible to maintain the posture of the sheet laminate in parallel to the sandwiching surface.
  • the air flow generation means can accommodate the sheet laminate and also serves as a foreign matter suction means.
  • seat laminated body is accommodated in an airflow generation means, and the cleaning apparatus of the sheet
  • the cleaning member is preferably cleaned by any one of adhesion, air suction and electrostatic attraction.
  • the cleaning operation of the cleaning member is performed on the opposite side of the sandwiching member from the center of the sheet laminate in which the cleaning member is held substantially in parallel. It is preferable to move to the end of the.
  • the cleaning member does not move in the direction of the sandwiching member, even if stress is applied to the sheet laminate by the cleaning member, it is possible to suppress bending of the sheet laminate due to distortion due to stress. Further, since the cleaning member moves in the direction of the end of the clamping member, that is, in the direction of the air flow generation means, the support of the sheet material of the air flow generation means is assisted, and the sheet stack is held even if the air flow generation amount is small. It becomes possible.
  • the sheet laminate is an optical sheet which is a constituent member of a liquid crystal display device, and is preferably used as an optical sheet.
  • the optical sheet used in the liquid crystal display device is prone to defects such as bright spots caused by foreign matters, and the cleaning device for the sheet laminate that can suitably remove foreign matters is used as an optical sheet application.
  • the productivity and yield of the optical sheet can be improved.
  • the sheet laminate has an uneven shape formed on at least one of the plurality of sheets, and is used for cleaning the sheet laminate. It is preferable.
  • the cleaning device for a sheet laminate according to the present invention even the sheet laminate can reduce the damage to the sheet and the generation of foreign matter, and therefore can be suitably used as an application of the sheet laminate. it can.
  • the holding of the sheet laminate is continued until the cleaning of the sheet laminate is completed.
  • a plurality of sheets are cut into a product shape, and a sheet laminate is obtained by laminating a plurality of cut sheets, and then the sheet laminate is sandwiched. It is preferable to do.
  • a diffusion sheet (manufactured by Kimoto Co., Ltd.), a prism sheet (manufactured by Sumitomo 3M Co., Ltd.), and a diffusion sheet (manufactured by Tsujiden Co., Ltd.) are sequentially stacked.
  • Each sheet was cut into substantially the same rectangle to have a length of 45 mm and a width of 30 mm.
  • the sheet material 1 was clamped by a cylindrical clamping member 2 having a diameter of 16 mm.
  • the clamping position was such that the intersection of the center lines in the length direction and the width direction of the sheet material 1 coincided with the center of the clamping member 2.
  • the clamping surface was horizontal. At this time, the position in the Z direction at the end in the length direction of the sheet material 1 was at a position of 5 mm downward from the clamping surface.
  • a suction nozzle 5 was produced using a wonder gun (W301) manufactured by Osawa Corporation.
  • the suction opening 4 of the suction nozzle 5 has a width of 110 mm and a height of 3 mm.
  • a pipe was connected to the wonder gun, compressed air of 5 MPa was supplied, and a flow rate of about 6 m / s was obtained in the vicinity of the suction opening.
  • the center of the suction opening 4 in the width direction is on the center line in the width direction of the sheet material 1, and the center of the suction opening 4 in the height direction is located in the clamping surface, and the suction nozzle 5 is placed on the sheet material 1.
  • the tip of the suction nozzle 5 was at a position 25 mm away from the center in the length direction of the sheet material 1.
  • the present invention it is possible to preferably remove foreign matter from a sheet laminate, particularly a laminate of optical sheets that are likely to generate foreign matters. Therefore, in the field where sheets are used, particularly in the field of production of liquid crystal display devices using optical sheets. Can be used.

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  • Cleaning In General (AREA)

Abstract

La présente invention concerne un appareil de nettoyage (10) qui nettoie les deux faces d'une feuille (1) constituée de plusieurs feuilles laminées. Cet appareil de nettoyage est équipé, d'une part d'un module nettoyeur supérieur (3a) et d'un module nettoyeur inférieur (3b) servant à éliminer les débris des deux faces de la feuille (1), d'autre part d'un module de pince supérieur (2a) et d'un module de pince inférieur (2b) servant à prendre en pince la feuille (1) de façon à maintenir l'une de ses extrémités, et enfin une buse d'aspiration (5) qui produit sur les deux faces de la feuille (1) un courant d'air s'écoulant sensiblement parallèlement à la surface prise en pince dans la feuille (1) par le module de pince supérieur (2a) et le module de pince inférieur (2b). L'invention concerne également un appareil et un procédé de nettoyage permettant de limiter sur les deux faces d'une feuille laminée le nombre de débris présents entre les feuilles.
PCT/JP2009/055269 2008-03-19 2009-03-18 Appareil et procédé de nettoyage de laminé en feuille WO2009116568A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200980109884.1A CN101977700B (zh) 2008-03-19 2009-03-18 薄片叠层体的清扫装置以及薄片叠层体的清扫方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-072422 2008-03-19
JP2008072422A JP4388986B2 (ja) 2008-03-19 2008-03-19 シート積層体の清掃装置およびシート積層体の清掃方法

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Publication Number Publication Date
WO2009116568A1 true WO2009116568A1 (fr) 2009-09-24

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CN (1) CN101977700B (fr)
WO (1) WO2009116568A1 (fr)

Cited By (2)

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EP3399581A4 (fr) * 2016-11-30 2019-01-09 LG Chem, Ltd. Dispositif de nettoyage, pourvu d'un rouleau de nettoyage, de film protecteur servant à la fabrication d'éléments de batterie
US10974285B2 (en) 2016-11-30 2021-04-13 Lg Chem, Ltd. Device comprising cleaning roll and for cleaning protective film for preparing battery cell

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JP6401526B2 (ja) * 2014-07-09 2018-10-10 住友化学株式会社 貼合装置、貼合方法、光学表示デバイスの生産システム及び光学表示デバイスの生産方法
CN104226638A (zh) * 2014-08-29 2014-12-24 京东方光科技有限公司 膜材清洁装置及方法
KR101809009B1 (ko) * 2017-08-02 2017-12-15 주식회사 제덱스 투명 또는 반투명 필름의 표면 이물 검출기
CN112705499B (zh) * 2020-12-07 2022-01-28 上饶市长利光学仪器有限公司 一种镜片加工用旋转式高效除尘装置

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JP2007156014A (ja) * 2005-12-02 2007-06-21 Fujifilm Corp ディスプレイ用光学シートの製造方法
JP2007155941A (ja) * 2005-12-01 2007-06-21 Fujifilm Corp ディスプレイ用光学シート及びその製造方法並びに画像表示装置

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DE20321046U1 (de) * 2003-10-08 2005-12-22 Bennett, Les, Bingley Druckbahnreiniger
JP3798005B2 (ja) * 2004-03-30 2006-07-19 株式会社オフィスプロフィットインターナショナル ペット洗浄乾燥装置

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JP2007155941A (ja) * 2005-12-01 2007-06-21 Fujifilm Corp ディスプレイ用光学シート及びその製造方法並びに画像表示装置
JP2007156014A (ja) * 2005-12-02 2007-06-21 Fujifilm Corp ディスプレイ用光学シートの製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3399581A4 (fr) * 2016-11-30 2019-01-09 LG Chem, Ltd. Dispositif de nettoyage, pourvu d'un rouleau de nettoyage, de film protecteur servant à la fabrication d'éléments de batterie
US10974285B2 (en) 2016-11-30 2021-04-13 Lg Chem, Ltd. Device comprising cleaning roll and for cleaning protective film for preparing battery cell

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Publication number Publication date
CN101977700B (zh) 2012-12-19
JP2009226267A (ja) 2009-10-08
JP4388986B2 (ja) 2009-12-24
CN101977700A (zh) 2011-02-16

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