公开(公告)号：US12120948B2

公开(公告)日：2024-10-15

申请号：US17284760

申请日：2020-02-13

申请人： LG CHEM, LTD.

发明人： Sujeong Geum ,  Kyunghee Kim ,  Wanpyo Hong ,  Jaegoo Lee ,  Sang Duk Suh

IPC分类号： H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10

CPC分类号： H10K85/40 ,  C07F7/0812 ,  C09K11/06 ,  C07B2200/05 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/10

摘要： A compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, the compound used in an organic material layer of the organic light emitting device, and providing low driving voltage and high efficiency properties of the organic light emitting device.

公开(公告)号：US12117592B2

公开(公告)日：2024-10-15

申请号：US17269956

申请日：2020-05-15

申请人： LG CHEM, LTD.

发明人： Jin Young Park ,  Yongjoon Heo ,  Yeongrae Chang

IPC分类号： G02B1/14 ,  B32B27/28 ,  B32B27/30 ,  B32B27/34 ,  G02F1/1333

CPC分类号： G02B1/14 ,  B32B27/281 ,  B32B27/308 ,  B32B27/34 ,  B32B2250/24 ,  B32B2250/40 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2255/28 ,  B32B2307/412 ,  B32B2307/51 ,  B32B2307/536 ,  B32B2457/20 ,  G02F1/133305

摘要： The present disclosure provides a cover window for a flexible display device comprising a laminate including a light-transmitting substrate or polymer substrate; and a first hard coating layer and a second hard coating layer each formed on both surfaces of the light-transmitting substrate or the polymer substrate, wherein a ratio of a modulus of the first hard coating layer to the total modulus of the laminate is 1.5 to 2.0, and wherein a surface pencil hardness measured from the first hard coating layer side is 5H or more based on 750 g, and a flexible display device comprising the cover window.

公开(公告)号：US12116506B2

公开(公告)日：2024-10-15

申请号：US17262501

申请日：2019-07-25

申请人： LG Chem, Ltd.

发明人： Min Jin Ko ,  Jae Ho Jung ,  Min A Yu ,  Min Kyoun Kim ,  Byung Kyu Cho ,  Taek Yong Lee ,  Dong Yong Kim

IPC分类号： C09J163/04 ,  C08F212/08 ,  C08F220/14 ,  C08F236/06 ,  C08G18/10 ,  C08G18/24 ,  C08G18/48 ,  C08G18/67 ,  C08G18/75 ,  C08G59/14 ,  C08G59/24 ,  C08G59/40 ,  C08L51/04 ,  C09J11/08 ,  C09J151/04 ,  C09J175/08

CPC分类号： C09J163/04 ,  C08F212/08 ,  C08F220/14 ,  C08F236/06 ,  C08G18/10 ,  C08G18/24 ,  C08G18/4825 ,  C08G18/6715 ,  C08G18/755 ,  C08G59/14 ,  C08G59/245 ,  C08G59/4021 ,  C08L51/04 ,  C09J11/08 ,  C09J151/04 ,  C09J175/08 ,  C08L2201/08 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2205/18 ,  C08L2207/53 ,  C09J2301/30 ,  C09J2301/414 ,  C09J2451/00 ,  C09J2463/00 ,  C09J2475/00

摘要： An epoxy-based adhesive composition and methods for manufacturing the same are provided. The adhesive composition provides excellent adhesion strength, peel strength and impact-resistant strength uniformly over a wide temperature range.

公开(公告)号：US12116445B2

公开(公告)日：2024-10-15

申请号：US17602048

申请日：2020-05-15

申请人： LG Chem, Ltd.

发明人： Ji Hyun Park ,  Dae Woong Lee ,  Sung Hyun Park ,  Seok Pil Sa ,  Seul Ki Im ,  Hyun Mo Lee ,  Yun Kon Kim ,  Ki Soo Lee ,  Myung Han Lee ,  Eun Ji Shin

IPC分类号： C08F297/02 ,  C08F2/38 ,  C08F10/14 ,  C08F12/08

CPC分类号： C08F297/02 ,  C08F2/38 ,  C08F10/14 ,  C08F12/08

摘要： A polyolefin-polystyrene multi-block copolymer and method of making the same is disclosed herein. In some embodiments, a polyolefin-polystyrene multi-block copolymer having a ratio of a loss modulus (E″) to a storage modulus (E′) satisfying the following conditions (a) and (b) over a temperature range of −80° C. to 40° C., wherein the ratio is represented by a loss tangent (tan δ) value and is obtained by dynamic mechanical analysis (DMA), (a) a maximum of the tan δ value in a peak present in the temperature range is 0.20 to 0.35, and (b) a half-width of the peak ranges from 32.0° C. to 50.0° C. The polyolefin-polystyrene multi-block copolymer has a structure in which polystyrene chains are attached to both ends of a polyolefin chain.

公开(公告)号：US12116439B2

公开(公告)日：2024-10-15

申请号：US17416181

申请日：2020-09-23

申请人： LG Chem, Ltd.

发明人： Hyeon Jong Park ,  No Ma Kim ,  Ro Mi Lee

IPC分类号： C08F236/10 ,  C07F7/18

CPC分类号： C08F236/10 ,  C07F7/1804 ,  C08F2800/20 ,  C08F2810/40

摘要： A modifying conjugated diene-based polymer, a method for preparing the same and a method for preparing the same are disclosed, herein. The modified conjugated diene-based polymer has excellent affinity with a filler and may improve the compounding properties of the conjugated diene-based polymer. In some embodiments, a modified conjugated diene-based polymer including a repeating unit derived from a conjugated diene-based monomer and a functional group derived from a modifier represented by Formula 1 in at least one terminal thereof.

公开(公告)号：US20240341175A1

公开(公告)日：2024-10-10

申请号：US18566998

申请日：2022-07-14

申请人： LG CHEM, LTD.

发明人： Minjun KIM ,  Dong Hoon LEE ,  Sang Duk SUH ,  Young Seok KIM

IPC分类号： H10K85/60 ,  C09K11/06 ,  H10K50/11 ,  H10K85/40 ,  H10K101/00

CPC分类号： H10K85/654 ,  C09K11/06 ,  H10K85/40 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/11 ,  H10K85/6572 ,  H10K85/6576 ,  H10K2101/90

摘要： An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer comprising a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2:




wherein: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; R is deuterium or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, provided that carbazolyl and benzocarbazolyl are excluded from R; X is O or S; R1 and R10 are each independently hydrogen, deuterium, or a substituent of Chemical Formula 3, provided that one of R1 to R10 is a substituent of Chemical Formula 3:




and the other substituents are as defined in the specification, the device exhibiting improved driving voltage, luminous efficiency and lifetime.

公开(公告)号：US12103998B2

公开(公告)日：2024-10-01

申请号：US17436027

申请日：2020-08-24

申请人： LG CHEM, LTD.

发明人： Chang Hong Bak ,  Jae Min Suk ,  Jin Hyoung Lee ,  Jae Won Heo ,  Young Min Kim

IPC分类号： C08F36/06 ,  C08F36/00 ,  C08F279/04

CPC分类号： C08F279/04 ,  C08F36/00 ,  C08F36/06

摘要： Provided is a method of preparing a diene-based rubber polymer, which includes: adding each of a diene-based monomer, a molecular-weight regulator, an initiator, and an emulsifier to a reactor a first time and carrying out polymerization; adding a molecular-weight regulator to the reactor a second time when a polymerization conversion rate of 48 to 72% is reached and carrying out polymerization; adding a diene-based monomer to the reactor a second time when a polymerization conversion rate of 63 to 77% is reached and carrying out polymerization; adding each of an initiator and an emulsifier to the reactor a second time when a polymerization conversion rate of 68 to 81% is reached and carrying out polymerization; and adding each of an initiator and an emulsifier to the reactor a third time when a polymerization conversion rate of 85 to 91% is reached and carrying out polymerization.

公开(公告)号：US20240322258A1

公开(公告)日：2024-09-26

申请号：US18578976

申请日：2023-05-19

申请人： LG Chem, Ltd.

发明人： Su Hee Lee ,  Sun Mi Jin ,  Tae Sun You

IPC分类号： H01M10/42 ,  H01M4/13 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/46 ,  H01M50/491 ,  H01M50/586 ,  H01M50/59

CPC分类号： H01M10/4235 ,  H01M4/13 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/46 ,  H01M50/491 ,  H01M50/586 ,  H01M50/59

摘要： The present invention relates to an electrode for a lithium secondary battery comprising: an electrode portion that includes a current collector, an electrode layer formed on the current collector, and an insulating layer formed on the electrode layer, and further comprising: a coating member that includes a first coating region in contact with a side surface of the electrode portion and a second coating region that continues to the first coating region and makes contact with a portion of the insulating layer, and a lithium secondary battery including the same.

公开(公告)号：US20240317716A1

公开(公告)日：2024-09-26

申请号：US18575570

申请日：2022-07-01

申请人： LG CHEM, LTD.

发明人： Seok Ju LEE ,  Hui Rak JEONG ,  Jin Ok HAM ,  Doo Sup SHIN

IPC分类号： C07D403/04

CPC分类号： C07D403/04

摘要： The present invention relates to a method for preparing a xanthine oxidase inhibitor and, more specifically, to a method for preparing a compound of chemical formula 2 by using ester hydrolysis and a recrystallization method.

公开(公告)号：US20240317685A1

公开(公告)日：2024-09-26

申请号：US18575630

申请日：2022-07-01

申请人： LG CHEM, LTD.

发明人： Seok Ju LEE ,  Ah Byeol PARK ,  Ju Yeol LEE ,  Ki Dae KIM ,  Hui Rak JEONG

IPC分类号： C07D209/42 ,  C07D403/04

CPC分类号： C07D209/42 ,  C07D403/04

摘要： The present invention relates to a method for preparing an intermediate for synthesis of a xanthine oxidase inhibitor and, more specifically, to a method for preparing compounds of chemical formulas 2 and 4 by using low-priced starting materials and ligands and employing chelating extraction and purification techniques.