公开(公告)号：US11635445B2

公开(公告)日：2023-04-25

申请号：US16637969

申请日：2018-10-25

申请人： LG Chem, Ltd.

发明人： Byung Hyun Park ,  Byoung Hyoun Kim ,  Dong Hyun Kim ,  Su Youn Han

IPC分类号： G01N21/78 ,  G01N31/22 ,  G01N33/20 ,  G01N21/75 ,  G01N21/77 ,  G01N35/10 ,  G01N35/08 ,  B01L3/00

摘要： The present invention relates to a device and a method for qualitative and quantitative analysis of heavy metals and more particularly provides a device and a method for qualitative and quantitative analysis of heavy metals utilizing a rotary disc system.

公开(公告)号：US20230093912A1

公开(公告)日：2023-03-30

申请号：US17801998

申请日：2021-08-03

申请人： LG Chem, Ltd.

发明人： Kiho Seo ,  Byung Hyun Park ,  Byoung Hyoun Kim ,  Su Youn Han

IPC分类号： G01N30/02 ,  G01N24/08

摘要： The present specification relates to a method for analyzing a deuterated compound by chromatography, and manufacturing an organic light emitting device using a deuterated compound selected based on the analyzed data.

公开(公告)号：US11065557B2

公开(公告)日：2021-07-20

申请号：US16631341

申请日：2018-10-12

申请人： LG Chem, Ltd.

发明人： Seonyoung Jegal ,  Dae Hun Kim ,  Byoung Hyoun Kim ,  Yeu Young Youn ,  Kyoungjoo Jin ,  Jun Won Choi ,  Su Youn Han

IPC分类号： B01D11/02 ,  B01L3/00 ,  G01N1/40 ,  G01N30/60

摘要： The present invention relates to a micro device for solid phase extraction and more particularly provides a micro device which is configured to perform solid phase extraction by injecting a filler and a solvent and producing a uniform flow of the solvent.

公开(公告)号：US10928301B2

公开(公告)日：2021-02-23

申请号：US15775626

申请日：2017-04-27

申请人： LG Chem, Ltd.

发明人： Su Youn Han ,  Byoung Hyoun Kim ,  Dong Hyun Kim ,  Hye Sung Cho

IPC分类号： G01N19/10 ,  G01N25/58 ,  G01N33/44 ,  G01N1/20 ,  G01N25/48

摘要： The present invention relates to an apparatus for measuring moisture of a solid sample, a method for measuring a moisture content of the solid sample, and a method for analyzing an imidization rate, and more particularly, to an apparatus for measuring moisture of a solid sample, a method for measuring a moisture content of the solid sample, and a method for analyzing an imidization rate, which detect the moisture content of the solid sample at a specific temperature by using a Karl-Fischer device capable of selectively detecting only the moisture content of the solid sample in the method for analyzing an imidization rate of the solid sample and calculate the imidization rate of the solid sample by using the detected moisture content.

公开(公告)号：US20200319151A1

公开(公告)日：2020-10-08

申请号：US16603712

申请日：2018-08-24

申请人： LG Chem, Ltd.

发明人： Su Youn Han ,  Yura Lee ,  Byoung Hyoun Kim

IPC分类号： G01N30/88 ,  G01N30/12 ,  G01N30/72

摘要： A quantitative analysis method for a monomer of a color filter (CF) photoresist (PR) binder for a thin film transistor-liquid crystal display (TFT-LCD), performs quantitative analysis on a monomer of a CF PR binder for a RFT-LCD by using a Py-GC/MS used for qualitative analysis.

公开(公告)号：US20200215455A1

公开(公告)日：2020-07-09

申请号：US16631341

申请日：2018-10-12

申请人： LG Chem, Ltd.

发明人： Seonyoung Jegal ,  Dae Hun Kim ,  Byoung Hyoun Kim ,  Yeu Young Youn ,  Kyoungjoo Jin ,  Jun Won Choi ,  Su Youn Han

IPC分类号： B01D11/02 ,  B01L3/00

摘要： The present invention relates to a micro device for solid phase extraction and more particularly provides a micro device which is configured to perform solid phase extraction by injecting a filler and a solvent and producing a uniform flow of the solvent.

公开(公告)号：US11969729B2

公开(公告)日：2024-04-30

申请号：US17264267

申请日：2020-04-16

申请人： LG CHEM, LTD.

发明人： Byung Hyun Park ,  Byoung Hyoun Kim ,  Su Youn Han

IPC分类号： B01L3/00 ,  G01N30/92

CPC分类号： B01L3/50273 ,  B01L3/502723 ,  B01L3/502753 ,  G01N30/92 ,  B01L2200/0652 ,  B01L2200/0684 ,  B01L2300/069 ,  B01L2300/0803 ,  B01L2300/0861 ,  B01L2300/0883 ,  B01L2400/0406 ,  B01L2400/0409

摘要： A microdevice for detecting aldehydes or ketones by utilizing a rotary platform, the microdevice comprising a disc-shaped rotary platform and a microfluidic structure disposed on the rotary platform, and the microfluidic structure comprising a sample storage part, an eluent storage part, a separation part, a first microfluid flow channel, a second microfluid flow channel, and an absorption pad.

公开(公告)号：US11549920B2

公开(公告)日：2023-01-10

申请号：US16484021

申请日：2018-09-28

申请人： LG Chem, Ltd.

发明人： Su Youn Han ,  Byoung Hyoun Kim ,  Dong Hyun Kim ,  Soo Ah Nam ,  Bora Shin

IPC分类号： G01N30/06 ,  G01N33/44 ,  G01N30/02 ,  G01N30/62

摘要： An analysis method is provided, wherein a measurement sample containing a diamine and an acid dianhydride can be obtained without a separate methyl derivatization process. The analysis method includes pretreating a polyimide film including the polyimide which is a poorly soluble polymer with DMAc after hydrolysis, and determining an amount of monomers contained in the polyimide film.

公开(公告)号：US11484880B2

公开(公告)日：2022-11-01

申请号：US16763094

申请日：2018-10-19

申请人： LG Chem, Ltd.

发明人： Gyeongjin Lee ,  Byung Hyun Park ,  Su Youn Han ,  Byoung Hyoun Kim

IPC分类号： B01L3/00 ,  G01N21/33

摘要： A device and system for detecting aldehydes or ketones and, more particularly, a device and system, for detecting aldehydes or ketones, utilized in a rotating platform are provided.

公开(公告)号：US11440005B2

公开(公告)日：2022-09-13

申请号：US16767997

申请日：2019-08-30

申请人： LG CHEM, LTD.

发明人： Byung Hyun Park ,  Byoung Hyoun Kim ,  Su Youn Han

IPC分类号： B01L3/00

摘要： The present disclosure relates to a device capable of adjusting the pH of a sample and provides a device comprising microbeads capable of adjusting the pH of a sample to a predetermined value. The device comprises microbeads enabling adjustment to different pH values in each of a plurality of channels, and enables adjustment of the pH of the sample to a plurality of different pH values simultaneously upon injection of the sample.