公开(公告)号：US20220302555A1

公开(公告)日：2022-09-22

申请号：US17646925

申请日：2022-01-04

Applicant: LG ELECTRONICS INC.

Inventor： Dongwook Lee ,  Munhyuk Lim ,  Hongjung Kim ,  Kyungho Jung ,  Juchul Lee ,  Junhan Kwon ,  Keeyong Kim ,  Sumin Lee ,  Yongkeon Ahn ,  Youngmin Pi

IPC: H01M50/429 ,  H01M50/44 ,  H01M50/403 ,  H01M50/446

Abstract: Disclosed are a separator for a lithium ion secondary battery, a method for producing the same, and a secondary battery using the same. A separator structure includes a support disposed inside a secondary battery. The support includes a porous polymer matrix, cellulose nano fibers dispersed in the matrix, and inorganic additives dispersed in the matrix, wherein at least some of the inorganic additives are attached to the cellulose nano fibers and are distributed in the matrix.

公开(公告)号：US10090367B2

公开(公告)日：2018-10-02

申请号：US15539506

申请日：2015-01-06

Applicant: LG ELECTRONICS INC.

Inventor： Moongoo Choi ,  Jinwoo Sung ,  Juchul Lee ,  Koun Park

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes at least one light-emitting element configured to emit blue light, a red conversion layer disposed on an upper or lower portion of the at least one light-emitting element and including a red light-emitting quantum dot, a green conversion layer disposed on the upper or lower portion of the at least one light-emitting element and including a green light-emitting phosphor, and a substrate comprising thin film transistors electrically connected to the light-emitting element.

公开(公告)号：US11978922B2

公开(公告)日：2024-05-07

申请号：US17319930

申请日：2021-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Eunja Lim ,  Hongcheol Lee ,  Eunseck Kang ,  Juchul Lee ,  Koun Park ,  Misun Lee

IPC: H01M50/429 ,  H01M50/403 ,  H01M50/431 ,  H01M50/449

CPC classification number: H01M50/4295 ,  H01M50/403 ,  H01M50/431 ,  H01M50/449

Abstract: The present disclosure is applicable to the technical field related to a secondary battery, and relates to, for example, a separator structure for the secondary battery, a method for preparing the same, and the secondary battery using the same. A separator structure disposed inside a secondary battery includes a porous support body including a first face and a second face, and a cellulose nano fiber subjected to an ionic surface treatment located on at least one of the first face and the second face of the support body.

公开(公告)号：US10852584B2

公开(公告)日：2020-12-01

申请号：US15567304

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Byoungkwon Cho ,  Jinmok Oh ,  Dongseon Jang ,  Juchul Lee

IPC: G02F1/13357 ,  C08K3/22 ,  C08L33/06 ,  C08K9/08 ,  C08J5/18 ,  C08K3/30

Abstract: The embodiment relates to a quantum dot-polymer composite and a method for producing the same, wherein the quantum dot-polymer composite includes: a first phase made of a matrix resin; a second phase dispersed and distributed in the first phase, comprising a quantum dot, and having a spherical shape; and a micro scattering agent distributed in an interface between the first phase and the second phase along a surface of the second phase.