Lg Electronics Inc.

Lg Chem, Ltd

Juchul Lee

Koun Park

Hongcheol Lee

Kyungho Jung

Sumin Lee

Byoungkwon Cho

Moongoo Choi

Jinwoo Sung

Jinmok Oh

Eunseck Kang

Dongseon Jang

Dongwook Lee

Junhan Kwon

Jongdeok Kim

Misun Lee

Munhyuk Lim

Eunja Lim

Soongil Kim

Yongkeon Ahn

Keeyong Kim

Youngmin Pi

Hongjung Kim

A lead tab for a secondary battery, according to an embodiment of the present invention, includes a metal lead having a long rectangular plate shape in a first direction, a first insulation film formed on a lower surface of the metal lead in a second direction crossing the first direction, and a second insulation film formed on an upper surface of the metal lead in the second direction so as to correspond to the first insulation film, wherein each of the first insulation film and the second insulation film has a magnetic member which is induction-heated by an alternating magnetic field.

Lead tab for secondary battery, manufacturing apparatus thereof, and secondary battery comprising same

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.

Separator structure, method for producing the same, and secondary battery using the same

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.

Separator structure for secondary battery, method for making the separator, and the secondary battery using the same

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.

Method for quantum dot-polymer composite, quantum dot-polymer composite, light conversion film comprising same, backlight unit, and display device

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.

Display device

Growing community of inventors

Seoul, South Korea

Juchul Lee