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公开(公告)号：US20210178742A1
公开(公告)日：2021-06-17
申请号：US16758701
申请日：2019-03-13
Applicant: LG CHEM, LTD.
Inventor： Beom Seok LEE , Hang Suk CHOI , Eung Jin JANG
Abstract: A method of manufacturing a display unit including: preparing an optical film; forming a first alignment mark on the optical film; forming a cut-out line, corresponding to a predetermined closed curve layout, on the optical film based on a position of the first alignment mark; preparing a panel having a second alignment mark; aligning the optical film and the panel based on the positions of the first alignment mark and the second alignment mark; and laminating the optical film, after the processing of forming the cut-out line, on the panel.
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公开(公告)号：US20170343714A1
公开(公告)日：2017-11-30
申请号：US15603902
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
Abstract: Provided is a method for an optical film which elongates by forming a plurality of sheet pieces by cutting a pre-processing optical film in a width direction of the pre-processing optical film, aligning the plurality of sheet pieces in such a manner that first end portions parallel to the longitudinal direction of the pre-processing optical film are opposite to each other, and connecting end portions of the plurality of sheet pieces to each other.
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公开(公告)号：US20170341360A1
公开(公告)日：2017-11-30
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
CPC classification number: B32B38/04 , B32B38/0004 , B32B38/10 , B32B41/00 , B32B2038/045 , B32B2309/70 , B32B2457/20 , G02F1/1303 , G02F1/133528 , G02F2202/28
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.
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公开(公告)号：US20210063780A1
公开(公告)日：2021-03-04
申请号：US16959367
申请日：2019-03-20
Applicant: LG CHEM, LTD.
Inventor： Beom Seok LEE , Yu Jin LIM , Hang Suk CHOI , Eung Jin JANG
IPC: G02F1/13
Abstract: A display unit manufacturing system including: a panel conveyance route including an optical film attaching unit configured to attach an optical film to a panel; an inspection unit which inspects whether the panel having the optical film attached thereto is defective and identifies a defective panel; a panel storing unit which stores the defective panel after the optical film is separated therefrom; and a control unit which controls whether the panel stored in the panel storing unit is supplied to the panel conveyance route.
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公开(公告)号：US20190248125A1
公开(公告)日：2019-08-15
申请号：US16342419
申请日：2017-10-19
Applicant: LG CHEM, LTD.
Inventor： Beom Seok LEE , Hang Suk CHOI , Jae Hoon CHOI , Eung Jin JANG , Suk Jae LEE , Ju Young JEOUNG , Kyu Sung HWANG , Sung Kyum KIM
IPC: B32B37/10 , H01L51/00 , H01L27/32 , G02B5/30 , B32B37/00 , G02F1/1335 , G02F1/1333
CPC classification number: B32B37/1027 , B32B37/00 , B32B37/0015 , B32B37/10 , B32B38/18 , G02B5/3033 , G02F1/133305 , G02F1/133528 , H01L27/3244 , H01L51/0097
Abstract: A system for manufacturing a laminated film, in which a first film and a second film are sequentially laminated, and the system includes: a film supplying part which supplies the first film and the second film; a bonding part which includes a first roll and a second roll that rotate in opposite directions, and compresses the first film and the second film supplied from the film supplying part and bonds the first film and the second film as the laminated film; and a bending inducing part which supports and bends the laminated film bonded and output from the bonding part, in which the second roll shifts in a direction along a circumference of a virtual circle having a larger radius than a radius of the first roll to control the bending of the laminated film.
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Patent Agency Ranking
公开(公告)号：US20170348957A1
公开(公告)日：2017-12-07
申请号：US15604970
申请日：2017-05-25
Applicant: LG CHEM, LTD.
Inventor： San PARK , Hang Suk CHOI , Eung Jin JANG , Suk Jae LEE , Kyung Hyeok PARK , Bong Su JEUNG , Jea Han RYOO , Cheon Ho PARK , Pil Soo NAM , Beom Seok LEE
Abstract: Provided is a system for continuously manufacturing an optical display device includes: a feeding unit which transfers and feeds 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 polarization film which is arranged in a longitudinal direction and includes an adhesive layer, wherein the sheet pieces of a polarization film is adhered to the release film through the adhesive layer so that the sheet piece of the polarization film is peeled from the release film; a peeling unit which peels the sheet pieces of the polarization film from the release film by folding back inwardly the release film of the optical films fed by the feeding unit; a winding unit which winds the release film from which the sheet piece of the polarization film is peeled by the peeling unit; a laminating unit which laminates on the panel the sheet piece of the polarization film peeled from the release film, while transferring the panel; and a control unit which controls at least one of the feeding unit, the winding unit, and the laminating unit so that the peeling point where the sheet piece of the polarization film is peeled from the release film is formed at a target peeling position spaced apart from the front end of the peeling unit by a predetermined distance toward the laminating unit, and a rear end of a first sheet piece and a front end of a second sheet piece which are connected to each other by adhesion of the adhesive layer are spaced apart and separated from each other between a complete peeling time when the first sheet piece is completely peeled from the release film and a laminating completion time when the first sheet piece is completely laminated, wherein the first piece and the second piece of the polarization film are adjacent to each other with the first sheet piece positioned downstream in a feeding direction.
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公开(公告)号：US20170120389A1
公开(公告)日：2017-05-04
申请号：US15315705
申请日：2015-09-22
Applicant: LG CHEM, LTD.
Inventor： Beom Seok LEE , Eung Jin JANG , Sukjae LEE
Abstract: The present invention relates to a method for cutting a polarizing plate using a laser, in which a beam shape of the laser is an elliptical shape and a major axis of the elliptical shape is parallel to a cutting direction, and a polarizing plate cut using the same.
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公开(公告)号：US20180044557A1
公开(公告)日：2018-02-15
申请号：US15554330
申请日：2016-11-18
Applicant: LG CHEM, LTD.
Inventor： San PARK , Jea Han RYOO , Bong Su JEUNG , Cheon Ho PARK , Beom Seok LEE
IPC: C09J7/02 , A47L9/00 , G02F1/1335 , G02B5/30
Abstract: Disclosed is an apparatus for manufacturing a display module. An apparatus for manufacturing a display module according to an exemplary embodiment of the present invention, which attaches a polarizing plate, from which a release film is peeled, onto a display panel, includes: a separator configured to peel a release film from a polarizing plate, and formed with a flow path, through which foreign substances dropped from the release film when the release film is peeled are dischargeable; and a suction unit coupled to the separator to suck the foreign substances.
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9.发明申请公开(公告)号：US20170363886A1
公开(公告)日：2017-12-21
申请号：US15619817
申请日：2017-06-12
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: G02F1/13 , B32B38/00 , G02F1/1335 , B32B38/10
CPC classification number: G02F1/1303 , B32B37/0046 , B32B38/0004 , B32B38/10 , B32B2551/00 , G02F1/1309 , G02F1/133528 , G02F2001/133302 , G02F2001/133531 , G02F2001/133538
Abstract: Disclosed is a panel reversing apparatus which reverses a panel, the panel reversing apparatus including: a panel support unit which supports the panel; and a rotating unit which rotates the panel support unit so as to reverse a direction, in which one surface of the panel supported by the panel support unit faces, and a direction, in which the other surface of the panel faces, in which the panel support unit includes a single surface contact unit which is in contact with only one surface between the one surface and the other surface of the panel.
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公开(公告)号：US20170341363A1
公开(公告)日：2017-11-30
申请号：US15605416
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
CPC classification number: B32B41/00 , B32B7/12 , B32B37/12 , B32B38/10 , B32B38/18 , B32B2307/40 , B32B2457/20 , G02B5/3033
Abstract: 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.
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