公开(公告)号：US20210255115A1

公开(公告)日：2021-08-19

申请号：US17252567

申请日：2019-06-21

Applicant: LG CHEM, LTD.

Inventor： Beom Seok LEE ,  Chan Soo KIM ,  Eung Jin JANG ,  Sung Hyun BAEK ,  Yu Jin LIM

IPC: G01N21/94 ,  H01L51/56 ,  H01L51/00 ,  G01N21/55 ,  G01N21/95

Abstract: An exemplary embodiment of the present invention provides a foreign substance inspection system for a display unit, including: a lighting unit configured to provide incident light to a display unit having an organic light emitting display panel; and a foreign substance detecting unit configured to receive incident light that is reflected by the display unit and detect whether a foreign substance is introduced into the display unit.

公开(公告)号：US20190193382A1

公开(公告)日：2019-06-27

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: B32B37/10 ,  B32B37/12 ,  B32B37/00 ,  B32B38/00 ,  B32B37/18 ,  B32B38/18 ,  B32B7/12

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：US20210268788A1

公开(公告)日：2021-09-02

申请号：US16967573

申请日：2019-02-13

Applicant: LG CHEM, LTD.

Inventor： Beom Seok Lee ,  Yu Jin LIM ,  Chan Soo KIM ,  Eung Jin JANG

IPC: B32B38/18 ,  B32B38/10 ,  B32B38/00 ,  B32B37/00 ,  B32B41/00

Abstract: The present invention relates to an optical film laminating system for laminating an optical film on a panel in order to manufacture a display unit wherein a control unit which sets, in accordance with attachment conditions, an optical film laminating mode in respect to the panel to at least one of a first mode in which the panel and the optical film are inputted together between a first roller unit and a second roller unit so that the optical film is laminated on the panel, and a second mode in which the second panel conveying unit holds the panel by suction and conveys the panel and the optical film is inputted between the panel and an attachment roller unit, which is any one of the first roller unit and the second roller unit, so that the optical film is laminated on the panel.

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.