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    System and method for manufacturing display unit
    2.
    发明授权
    System and method for manufacturing display unit 有权

    公开(公告)号：US10427396B2

    公开(公告)日：2019-10-01

    申请号：US15605416

    申请日：2017-05-25

    申请人： LG CHEM, LTD.

    发明人： Beom Seok Lee ,  Suk Jae Lee ,  Kyung Hyeok Park ,  San Park ,  Hang Suk Choi ,  Eung Jin Jang ,  Bong Su Jeung ,  Jea Han Ryoo

    IPC分类号： B32B41/00 ,  B32B7/12 ,  B32B37/12 ,  B32B38/10 ,  B32B38/18 ,  G02B5/30

    摘要： According to an exemplary embodiment of the present invention, there is provided a system for manufacturing a display unit, which includes: a carrying unit configured to carry an optical film, wherein the optical film includes a release film which is extended in a longitudinal direction, and a plurality of sheet pieces of a polarizing film which are arranged in a longitudinal direction and include adhesive layers, wherein the sheet piece of a polarizing film is adhered to the release film through the adhesive layer so that the polarizing film sheet piece is peeled from the release film; a peeling unit configured to fold back inwardly the release film of the optical film carried by the carrying unit toward an inner side and peel the polarizing film sheet piece from the release film; a winding unit configured to wind the release film peeled by the peeling unit; and an attachment unit configured to attach the polarizing film sheet piece peeled from the release film to one surface of a panel, while carrying the panel, the system including: a controller configured to adjust a position of a peeling point, at which the polarizing film sheet piece is peeled from the release film, by controlling the winding unit and the carrying unit.

    SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY ELEMENT
    3.
    发明申请
    SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY ELEMENT 审中-公开

    公开(公告)号：US20170343838A1

    公开(公告)日：2017-11-30

    申请号：US15604391

    申请日：2017-05-24

    申请人： LG CHEM, LTD.

    发明人： Beom Seok LEE ,  Suk Jae Lee ,  Kyung Hyeok Park ,  San Park ,  Hang Suk Choi ,  Eung Jin Jang ,  Bong Su Jeung ,  Jea Han Ryoo

    IPC分类号： G02F1/13 ,  B32B37/14 ,  G02F1/1335

    CPC分类号： G02F1/1303 ,  B32B37/14 ,  B32B38/1808 ,  B32B38/1816 ,  B32B2307/42 ,  B32B2457/20 ,  G02F1/133528 ,  G02F2001/133531

    摘要： According to the present invention, a system for manufacturing an optical display element, which manufactures an optical display element by laminating optical films on both planes of a rectangular panel according to the present invention includes: a panel supply unit supplying the panel; a first laminating unit laminating a first optical film onto the panel in a first direction selected from a long-edge longitudinal direction and a short-edge longitudinal direction of the panel at a first side selected from the two sides of the panel; a second laminating unit laminating a second optical film onto a plane opposite to the plane onto which the first optical film is laminated in a second direction selected from the long-edge longitudinal direction and the short-edge longitudinal direction of the panel and different from the first direction; and a first reverse unit reversing, when a first laminating plane onto which the first optical film is laminated is selected from between one plane and the other plane of the panel and predetermined as a process condition, the panel to reverse positional relationships of the planes of the panel if the first laminating plane is different from a plane of the panel supplied by the panel supply unit at the first side of the panel.

    System for manufacturing display unit
    6.
    发明授权
    System for manufacturing display unit 有权

    公开(公告)号：US10807348B2

    公开(公告)日：2020-10-20

    申请号：US16328020

    申请日：2017-07-17

    申请人： LG CHEM, LTD.

    发明人： San Park ,  Hang Suk Choi ,  Eung Jin Jang ,  Suk Jae Lee ,  Kyung Hyeok Park ,  Bong Su Jeung ,  Jea Han Ryoo ,  Pil Soo Nam ,  Beom Seok Lee ,  Yu Jin Lim

    IPC分类号： B32B37/00 ,  B65H1/00 ,  B29D11/00 ,  B32B38/00 ,  G02F1/00 ,  B32B37/10 ,  B32B7/12 ,  B32B37/12 ,  B32B37/18 ,  B32B38/18 ,  G02F1/13

    摘要： Provided is a system for manufacturing a display unit, the system including: a carrying unit which carries an optical film including a polarizing film including an adhesive layer and a release film to which the polarizing film is bonded to be peeled off through the adhesive layer; a cutting unit which cuts the optical film by a predetermined depth, in which the release film is not cut, and forms a polarizing film sheet piece on the optical film; a peeling unit which peels the polarizing film sheet piece from the release film; and an attachment unit which attaches the polarizing film sheet piece peeled from the release film to a panel, in which the attachment unit includes: a pair of attachment rolls which presses and attaches the polarizing film sheet piece onto one surface of the panel; and a magnetic force generating unit or a suction part, which suppresses an upper attachment roll positioned at an upper side between the pair of attachment rolls from sagging by using magnetic force or suction.

    System and method for manufacturing display unit
    8.
    发明授权
    System and method for manufacturing display unit 有权

    公开(公告)号：US10245819B2

    公开(公告)日：2019-04-02

    申请号：US15617280

    申请日：2017-06-08

    申请人： LG CHEM, LTD.

    发明人： Beom Seok Lee ,  Hang Suk Choi ,  Eung Jin Jang ,  Suk Jae Lee ,  Kyung Hyeok Park

    IPC分类号： B32B41/00 ,  B32B38/18 ,  B32B7/06 ,  B32B27/36 ,  B32B37/02 ,  B32B37/18 ,  B32B38/00 ,  B32B38/10

    摘要： A system for manufacturing a display unit according to an exemplary embodiment of the present invention includes: a carrying unit configured to carry an optical film including a polarizing film and a release film, wherein the polarizing film includes an adhesive layer through which, a release film adheres to and is peeled from the polarizing film; a cutting unit configured to cut the optical film up to a predetermined depth to form a polarizing film sheet piece on the optical film, without cutting the release film; a panel supply unit configured to continuously supply a panel to an attachment position, at which the polarizing film sheet piece is attached to one surface of the panel; an attachment unit configured to peel the polarizing film sheet piece from the release film, and attach the peeled polarizing film sheet piece to the one surface of the panel supplied by the panel supply unit; and a winding unit configured to wind the release film peeled by the attachment unit, wherein the attachment unit includes: an adhering means, which has an adhering property at an external side thereof, and peels the polarizing film sheet piece from the release film by the adhering property, and moves to the attachment position and makes the polarizing film sheet piece face the one surface of the panel in parallel; and an attaching means, which presses the adhering means to attaches the polarizing film sheet piece to the one surface of the panel.

    System for manufacturing display unit
    9.
    发明授权
    System for manufacturing display unit 有权

    公开(公告)号：US10800149B2

    公开(公告)日：2020-10-13

    申请号：US15605357

    申请日：2017-05-25

    申请人： LG CHEM, LTD.

    发明人： Beom Seok Lee ,  Suk Jae Lee ,  Kyung Hyeok Park ,  San Park ,  Hang Suk Choi ,  Eung Jin Jang ,  Bong Su Jeung ,  Jea Han Ryoo

    IPC分类号： B32B38/04 ,  G02F1/13 ,  G02F1/1335 ,  B32B41/00 ,  B32B38/00 ,  B32B38/10

    摘要： Disclosed is a system for manufacturing a display unit, including: a carrying unit configured to carry an optical film; a cutting unit configured to form a slit line on the optical film from a side opposite to the release film by a predetermined depth, in which the release film is not cut; a peeling unit configured to peel the polarizing film from the release film; and an attaching unit configured to attach the polarizing film peeled from the release film to a panel, in which the carrying unit includes a carrying direction changing unit, which changes a direction in which the optical film is carried so that the optical film carried along a first straight section is carried along a second straight section crossing the first straight section, and when the carrying of the optical film is stopped, the slit line formed on the optical film is positioned in the first straight section or the second straight section among the first straight section, the second straight section, and a curved section positioned between the first straight section and the second straight section.

    System and method for manufacturing optical display element
    10.
    发明授权
    System and method for manufacturing optical display element 有权

    公开(公告)号：US10520760B2

    公开(公告)日：2019-12-31

    申请号：US15604159

    申请日：2017-05-24

    申请人： LG CHEM, LTD.

    发明人： Beom Seok Lee ,  Suk Jae Lee ,  Kyung Hyeok Park ,  San Park ,  Hang Suk Choi ,  Eung Jin Jang ,  Bong Su Jeung ,  Jea Han Ryoo

    IPC分类号： B32B37/00 ,  G02F1/13 ,  B32B37/02 ,  B32B37/20 ,  B32B38/18 ,  G02F1/1335 ,  B32B38/00

    摘要： According to the present invention, a system for manufacturing an optical display element, which manufactures an optical display element by laminating optical films on both planes of a rectangular panel, includes: a panel supply unit supplying the panel; a panel transport unit transporting the supplied panel; a first laminating unit laminating the optical film onto a first plane of the panel in a direction parallel to a panel transport direction; and a second laminating unit laminating the optical film onto a second plane of the panel so that an absorption axis direction of the optical film is orthogonal to the absorption axis direction of the optical film laminated onto the first plane of the panel, in which when a panel supply direction set to be parallel to the panel transport direction between a longitudinal direction of an initial long edge and the longitudinal direction of an initial short edge of the panel supplied by the panel supply unit and a first laminating direction set so as to laminate the optical film onto the first plane of the panel in one of the longitudinal direction of a long edge and the longitudinal direction of a short edge of the panel are previously set as a process condition, the system includes a first pivot unit that pivots the panel to reverse positional relationship of the initial long edge and the initial short edge of the panel to each other when the set panel transfort direction is orthogonal to the first laminating direction.