公开(公告)号：US20200176733A1

公开(公告)日：2020-06-04

申请号：US16500032

申请日：2018-09-04

申请人： LG Chem, Ltd.

发明人： Kyung Mo Kim ,  Jeong Oh Moon ,  Jung Hoon Lee ,  Ho June Chi ,  Jin Yong Park

IPC分类号： H01M2/10 ,  H01M2/20 ,  B29C45/14 ,  B60L50/64

摘要： A battery pack having a bottom connection type tray is provided. The battery pack includes a tray configured to load a plurality of battery modules therein, a plurality of tray terminals provided on a bottom plate of the tray, a connection wire for interconnecting the tray terminals or connecting the tray terminals to an external circuit, and a battery terminal provided in each of the battery modules to be connected to a corresponding one of the tray terminals. Terminal connection is achieved while the battery modules are assembled with the tray, and therefore, an assembly procedure is more easily performed, and the reliability of a terminal connection structure is improved. In addition, automated assembly and production using a robot are possible.

公开(公告)号：US11415836B2

公开(公告)日：2022-08-16

申请号：US16962191

申请日：2019-03-27

申请人： LG CHEM, LTD.

发明人： Tae Woo Kim ,  Jin Yong Park ,  Won Chul Lee ,  Jun Cheol Shin ,  Ki Jun Jung ,  Jae Min Choi

IPC分类号： G02F1/13363 ,  G02B5/30 ,  G02B1/14 ,  G02F1/1335

摘要： Provided is a polarizing plate and a display device. The polarizing plate has excellent durability against an external environment, for example, moisture, due to a protective film of a polarizer, and can prevent color distortion upon observation with polarized sunglasses, and a display device comprising the polarizing plate.

公开(公告)号：US20220255190A1

公开(公告)日：2022-08-11

申请号：US17627963

申请日：2020-07-31

申请人： LG CHEM, LTD.

发明人： Kyung Mo Kim ,  Jeong Oh Moon ,  Jung Hoon Lee ,  Ho June Chi ,  Jin Yong Park ,  Hee Jun Jin ,  Jhin Ha Park

IPC分类号： H01M50/503 ,  H01M50/516 ,  H01M50/211

摘要： The present invention relates to a bus bar for connecting an electrode lead and a battery module comprising same. The bus bar has a surface structure having a concavity and convexity pattern aligned in one direction on a connection part with an electrode lead, and thus the weldability with the electrode lead can be enhanced.

公开(公告)号：US11975500B2

公开(公告)日：2024-05-07

申请号：US17293419

申请日：2020-02-11

申请人： LG CHEM, LTD.

发明人： Young Sik Kim ,  Jin Yong Park ,  Yeon Ok Jung ,  Min Woo Hwang ,  Jung Geun Kwon ,  Yong Su Ju ,  Chan Youn Kim ,  Ji Hoon Park ,  Seong Min Lim

IPC分类号： B29D11/00 ,  G02B5/30

CPC分类号： B29D11/00644 ,  G02B5/3016 ,  G02B5/3075

摘要： Provided is a method for manufacturing a polarizing plate, comprising a step of irradiating an optical laminate with ultraviolet rays having an emission wavelength band of 380 nm to 410 nm. The optical laminate sequentially comprises a first base film, a first adhesive layer, a linear polarizer, a second adhesive layer, a second base film and a reverse dispersion liquid crystal layer. The first adhesive layer and the second adhesive layer each comprise a photosensitizer for initiating a curing reaction in a wavelength band of 350 nm to 410 nm, and the ultraviolet rays are irradiated on the first base film side of the optical laminate.

公开(公告)号：US10649271B2

公开(公告)日：2020-05-12

申请号：US16071704

申请日：2017-02-03

申请人： LG CHEM, LTD.

发明人： Sung Hyun Nam ,  Kyung Ki Hong ,  Yeong Rae Chang ,  Heon Kim ,  Kyun Il Rah ,  Jong Hyun Jung ,  Byung Sun Lee ,  Eung Jin Jang ,  Jin Yong Park ,  Deok Woo Park ,  Ji Young Kim

IPC分类号： G02F1/1335 ,  G02B5/30

摘要： The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.

公开(公告)号：US10228501B2

公开(公告)日：2019-03-12

申请号：US15510495

申请日：2015-09-21

申请人： LG CHEM, LTD.

发明人： Jae Il Ryu ,  Eung Jin Jang ,  Jin Yong Park ,  Eungki Lee ,  Hyung Koo Kang ,  Taek Geun Nam ,  Deok Woo Park ,  Young Gon Kim ,  Yeon Soo Kim ,  You Kyeong Kim

IPC分类号： G02B5/30 ,  B32B27/30 ,  C09B67/36 ,  C08J5/18 ,  C09B67/02 ,  B29D11/00 ,  G02B1/14 ,  B29C55/02 ,  B29C55/00 ,  B29K29/00

摘要： The present invention relates to a method for manufacturing a polarizer, including: a) immersing and swelling a polyvinyl alcohol-based film in an aqueous solution containing an azo-based dye having an absorption wavelength of 300 nm to 550 nm; b) dyeing the swollen polyvinyl alcohol-based film with an iodine-based dye; and c) stretching the dyed polyvinyl alcohol-based film, and a polarizer manufactured using the method.

公开(公告)号：US11329340B2

公开(公告)日：2022-05-10

申请号：US16500032

申请日：2018-09-04

申请人： LG Chem, Ltd.

发明人： Kyung Mo Kim ,  Jeong Oh Moon ,  Jung Hoon Lee ,  Ho June Chi ,  Jin Yong Park

IPC分类号： H01M50/20 ,  B60L50/64 ,  B29C45/14 ,  H01M50/502 ,  B29L31/34

摘要： A battery pack having a bottom connection type tray is provided. The battery pack includes a tray configured to load a plurality of battery modules therein, a plurality of tray terminals provided on a bottom plate of the tray, a connection wire for interconnecting the tray terminals or connecting the tray terminals to an external circuit, and a battery terminal provided in each of the battery modules to be connected to a corresponding one of the tray terminals. Terminal connection is achieved while the battery modules are assembled with the tray, and therefore, an assembly procedure is more easily performed, and the reliability of a terminal connection structure is improved. In addition, automated assembly and production using a robot are possible.

公开(公告)号：US11314006B2

公开(公告)日：2022-04-26

申请号：US16137293

申请日：2018-09-20

申请人： LG CHEM, LTD.

发明人： Ji Young Kim ,  Ji Young Kim ,  Hye Min Yu ,  Kyun Il Rah ,  Jin Yong Park ,  Eungki Lee ,  Taek Geun Nam

IPC分类号： B32B27/32 ,  G02B5/30 ,  B32B7/12 ,  B32B27/08 ,  B32B27/26 ,  B32B27/30 ,  G02B1/14 ,  G02B1/08 ,  B32B27/00

摘要： The present specification relates to a method for manufacturing a polarizer and a polarizer manufactured by using the same, and more particularly, to a method for manufacturing a polarizer, which includes a cross-linking and elongating step using an aqueous solution including a polyvalent carboxylic acid compound and a boric acid compound, and a polarizer manufactured by using the same.

公开(公告)号：US10823892B2

公开(公告)日：2020-11-03

申请号：US16329976

申请日：2017-08-29

申请人： LG CHEM, LTD.

发明人： Min Yeong Jo ,  Jin Yong Park ,  Dong Min Park ,  Won Chul Lee ,  Ki Jun Jung

IPC分类号： G01J4/00 ,  G02B5/30 ,  G01M11/00 ,  G01J9/00 ,  G01N21/88

摘要： The present application relates to a device for testing optical properties and a method for testing optical properties using the same. The device of the present application has inexpensive manufacturing and maintenance costs, is capable of testing a wide range of plane directional phase differences, and provides the method for testing optical properties with improved identification efficiency of the phase retardation axis.

公开(公告)号：US10479870B2

公开(公告)日：2019-11-19

申请号：US15572685

申请日：2016-06-03

申请人： LG CHEM, LTD.

发明人： Ji Young Kim ,  Ji Young Kim ,  Hye Min Yu ,  Kyun Il Rah ,  Jin Yong Park ,  Eungki Lee ,  Taek Geun Nam

IPC分类号： C08J3/24 ,  G02B5/30 ,  B29D11/00 ,  B32B27/08 ,  B32B27/30 ,  D06P3/58 ,  D06P7/00 ,  D06P1/653 ,  D06P1/673 ,  G02B1/14 ,  B29K29/00 ,  G02F1/1335 ,  D06P1/00

摘要： The present specification relates to a method for manufacturing a polarizer, the method including: a step of dyeing at least one dye of iodine and dichroic dyes on a polyvinyl alcohol-based film; a first cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a first aqueous solution including a polyvalent carboxylic acid compound and a boron compound; a second cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a second aqueous solution including a polyvalent carboxylic acid compound and a boron compound; and a third cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a third aqueous solution including a polyvalent carboxylic acid compound, in which in the first cross-linking step and the second cross-linking step, stretching is performed along with cross-linking, and a polarizer manufactured by using the same.