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    APPARATUS FOR CONTROLLING COLOR OF POLARIZING FILM AND METHOD OF CONTROLLING THE SAME
    21.
    发明申请
    APPARATUS FOR CONTROLLING COLOR OF POLARIZING FILM AND METHOD OF CONTROLLING THE SAME 有权
    用于控制偏光膜的颜色的装置及其控制方法

    公开(公告)号：US20140340748A1

    公开(公告)日：2014-11-20

    申请号：US14344561

    申请日：2012-09-20

    Applicant: LG CHEM, LTD.

    Inventor： Chang Song Lee ,  Ho Kyung Lee ,  Eungki Lee ,  DaeHyeon Kim ,  Eung Jin Jang

    IPC: G02B5/30 ,  B05C3/09 ,  B05D1/18 ,  G02B1/08

    CPC classification number: G02B5/3033 ,  B05C3/09 ,  B05D1/18 ,  G02B1/08 ,  G02B1/10 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3041

    Abstract: An apparatus for controlling a color of a film includes a dyeing bath to dip a washed PVA film in an aqueous iodine solution and an aqueous potassium solution and then dye the PVA film therewith, a complementary bath to dip the PVA film in an aqueous potassium solution and then dye the PVA film therewith, a device oven to dry the PVA film having the oriented iodine and potassium, a 4-stage oven to dry the PVA film dried in the device oven, and a central controller to predict a color value of the polarizing film.

    Abstract translation: 用于控制膜的颜色的装置包括染色浴，以将洗涤的PVA膜浸入碘水溶液和钾水溶液中，然后用PVA染色PVA膜，将PVA膜浸入钾水溶液中 然后将PVA膜进行染色，将装置烘箱干燥具有取向的碘和钾的PVA膜，4级烘箱以干燥在装置烘箱中干燥的PVA膜，以及中央控制器，以预测 偏振片

    Optical film attachment system
    23.
    发明授权
    Optical film attachment system 有权

    公开(公告)号：US10946589B2

    公开(公告)日：2021-03-16

    申请号：US16650742

    申请日：2018-09-14

    Applicant: LG CHEM, LTD.

    Inventor： Beom Seok Lee ,  Ju Young Jeoung ,  Kyoung Sik Kim ,  Hang Suk Choi ,  Eung Jin Jang

    IPC: G01N21/00 ,  B29C65/82 ,  G01N21/95 ,  G02F1/13

    Abstract: Exemplary embodiments of the present invention provide an optical film attachment system which is connected to a downstream device and includes a panel conveyance path, the optical film attachment system including: a connection unit which connects the panel conveyance path and the downstream device and conveys the panel; a first inspection unit which is positioned on the panel conveyance path and finds out whether the panel with the attached optical film has a defect; and a second inspection unit which is positioned at a position spaced apart from the panel conveyance path and re-inspects a defect-determined panel determined as a defective panel by inspection by the first inspection unit; in which the connection unit includes a main conveyance path in which a first conveyance unit and a second conveyance unit are sequentially arranged in a conveyance direction of the panel conveyance path, a first auxiliary conveyance path which connects the first conveyance unit and the second inspection unit and is bypassed from the main conveyance path, and a second auxiliary conveyance path which is connected to the second conveyance unit and bypassed from the main conveyance path, the control unit controls the connection unit so that the defect-determined panel is conveyed from the first conveyance unit to the second inspection unit along the first auxiliary conveyance path when the panel inspected by the first inspection unit is determined as a defective panel, and a good-quality-determined panel determined as a good-quality panel by the first inspection unit is conveyed from the second conveyance unit along the second auxiliary conveyance path when it is difficult to convey the good-quality-determined panel to the downstream device.

    System for manufacturing display unit
    24.
    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

    Applicant: LG CHEM, LTD.

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

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

    Abstract: 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.

    OPTICAL FILM ATTACHMENT SYSTEM
    25.
    发明申请
    OPTICAL FILM ATTACHMENT SYSTEM 审中-公开

    公开(公告)号：US20200307117A1

    公开(公告)日：2020-10-01

    申请号：US16650742

    申请日：2018-09-14

    Applicant: LG CHEM, LTD.

    Inventor： Beom Seok Lee ,  Ju Young Jeoung ,  Kyoung Sik Kim ,  Hang Suk Choi ,  Eung Jin Jang

    IPC: B29C65/82 ,  G01N21/95

    Abstract: Exemplary embodiments of the present invention provide an optical film attachment system which is connected to a downstream device and includes a panel conveyance path, the optical film attachment system including: a connection unit which connects the panel conveyance path and the downstream device and conveys the panel; a first inspection unit which is positioned on the panel conveyance path and finds out whether the panel with the attached optical film has a defect; and a second inspection unit which is positioned at a position spaced apart from the panel conveyance path and re-inspects a defect-determined panel determined as a defective panel by inspection by the first inspection unit; in which the connection unit includes a main conveyance path in which a first conveyance unit and a second conveyance unit are sequentially arranged in a conveyance direction of the panel conveyance path, a first auxiliary conveyance path which connects the first conveyance unit and the second inspection unit and is bypassed from the main conveyance path, and a second auxiliary conveyance path which is connected to the second conveyance unit and bypassed from the main conveyance path, the control unit controls the connection unit so that the defect-determined panel is conveyed from the first conveyance unit to the second inspection unit along the first auxiliary conveyance path when the panel inspected by the first inspection unit is determined as a defective panel, and a good-quality-determined panel determined as a good-quality panel by the first inspection unit is conveyed from the second conveyance unit along the second auxiliary conveyance path when it is difficult to convey the good-quality-determined panel to the downstream device.

    System and method for manufacturing optical display element
    27.
    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

    Applicant: LG CHEM, LTD.

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

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

    Abstract: 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.

    Method and apparatus for continuously manufacturing display unit
    28.
    发明授权
    Method and apparatus for continuously manufacturing display unit 有权

    公开(公告)号：US10293590B2

    公开(公告)日：2019-05-21

    申请号：US15605366

    申请日：2017-05-25

    Applicant: LG CHEM, LTD.

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

    IPC: B32B41/00 ,  B32B38/10 ,  B32B38/00 ,  G02B5/30 ,  B32B37/12

    Abstract: A method of continuously manufacturing a display unit according to an exemplary embodiment of the present invention, which bonds sheet pieces of a polarizing film formed by cutting a roll-type optical film into sheet pieces having a predetermined sheet pieces to a panel to manufacture the display unit, continuously carries an optical film, detects a defect of the optical film, extracts a defective area based on information on the detected defect, forms a slit line in a horizontal direction with respect to a carrying direction of the optical film based on the defective area, determines whether the sheet piece of the polarizing film divided by the slit line is a defective sheet piece or a normal sheet piece, peels the sheet piece determined as a normal sheet piece from a release film, and bonds the normal sheet piece and a panel.

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