公开(公告)号：US10427396B2

公开(公告)日：2019-10-01

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

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

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.

公开(公告)号：US20170343838A1

公开(公告)日：2017-11-30

申请号：US15604391

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: G02F1/13 ,  B32B37/14 ,  G02F1/1335

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

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 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.

公开(公告)号：US09513419B2

公开(公告)日：2016-12-06

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: B05C3/09 ,  G02B5/30 ,  B05D1/18 ,  G02B1/08 ,  G02B1/10

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

公开(公告)号：US20210226176A1

公开(公告)日：2021-07-22

申请号：US15734072

申请日：2019-06-28

Applicant: LG CHEM, LTD.

Inventor： Beom Seok Lee ,  Chan Soo Kim ,  Eung Jin Jang ,  Sung Hyun Baek ,  Yu Jin Lim

IPC: H01L51/56 ,  H01L51/52 ,  G02B5/30 ,  B29C55/02

Abstract: A system for manufacturing an optical display element by laminating an optical film on one surface of a rectangular organic light emitting display panel, the system including: a panel supply unit to which an organic light emitting display panel is supplied; a panel conveying unit which conveys the supplied organic light emitting display panel; an optical film supply unit which supplies an optical film by unwinding the optical film from a raw optical film roll; a laminating unit which laminates the optical film on one surface of the organic light emitting display panel; and a turning unit which rotates the organic light emitting display panel by 90° before the optical film is laminated on one surface of the organic light emitting display panel when a width-directional edge of the supplied organic light emitting display panel does not correspond to a width of the raw optical film roll.

公开(公告)号：US20200331251A1

公开(公告)日：2020-10-22

申请号：US16754084

申请日：2018-12-20

Applicant: LG CHEM, LTD.

Inventor： Beom Seok Lee ,  Hang Suk Choi ,  Eung Jin Jang

IPC: B32B37/22 ,  G02F1/1335 ,  G02F1/13 ,  H01L51/52 ,  H01L51/56 ,  B32B38/00 ,  B32B7/12

Abstract: A method for manufacturing a display unit according to an exemplary embodiment of one aspect of the present invention includes: unwinding a first film from a first film roll, and carrying the first film; attaching a second film onto the carried first film and forming an elongated film laminated body; forming a cutting line in the film laminated body in a width direction at intervals along a longitudinal direction and forming a film sheet piece; and laminating the film sheet piece on a first surface of a panel.

公开(公告)号：US10807348B2

公开(公告)日：2020-10-20

申请号：US16328020

申请日：2017-07-17

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 ,  Pil Soo Nam ,  Beom Seok Lee ,  Yu Jin Lim

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

Abstract: 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.

公开(公告)号：US10436960B2

公开(公告)日：2019-10-08

申请号：US15039709

申请日：2015-03-25

Applicant: LG CHEM, LTD.

Inventor： Beom Seok Lee ,  Eung Jin Jang ,  Kyun Il Rah ,  Hyung Koo Kang ,  Byung Sun Lee ,  Du Jin Choi ,  Ho Jeong Yun

IPC: B29D11/00 ,  G02B5/30 ,  G02B1/10 ,  G02B1/14 ,  B23K26/38 ,  B23K26/402 ,  B23K103/00 ,  B29K29/00

Abstract: The present invention relates to a method for manufacturing a polarizing element including locally bleached areas including steps of providing a polarizing element including a polyvinyl alcohol-based polarizer in which at least one or more of iodine and dichroic dye is oriented in a certain direction; partially bleaching the polyvinyl alcohol-based polarizer by bringing a bleaching solution into contact with one surface of the polyvinyl alcohol-based polarizer through a printing method; and correcting an appearance of the partially bleached polarizing element.

公开(公告)号：US10429678B2

公开(公告)日：2019-10-01

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 ,  B32B38/10 ,  G02F1/1335 ,  B32B37/00 ,  G02F1/1333

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.

公开(公告)号：US10427357B2

公开(公告)日：2019-10-01

申请号：US16319145

申请日：2017-10-16

Applicant: LG CHEM, LTD.

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

IPC: B29C65/00 ,  G02F1/00 ,  B65H37/00 ,  B65H41/00 ,  B65H35/00 ,  G02B5/00 ,  B29C65/48 ,  B65H20/02 ,  G02F1/1335 ,  B65H37/04 ,  B65H35/06 ,  G02B5/30 ,  B29K29/00

Abstract: A system for manufacturing a display unit including: a transport unit which transports an optical film comprising a polarizing film, an adhesive layer, and a release film, by a predetermined transport length and stops the transport of the optical film; a cutting unit which cuts the optical film in a width direction at a predetermined cutting position without cutting the release film; a separating unit which separates the release film from the polarizing film at the cutting position; and an attaching unit which attaches the polarizing film, from which the release film is separated, to a panel. The transport unit includes a horizontal roll satisfying the following conditional expression: I*n

公开(公告)号：US10245819B2

公开(公告)日：2019-04-02

申请号：US15617280

申请日：2017-06-08

Applicant: LG CHEM, LTD.

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

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

Abstract: 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.