公开(公告)号：US20230271355A1

公开(公告)日：2023-08-31

申请号：US18016169

申请日：2020-07-15

Applicant: LG ELECTRONICS INC.

Inventor： Jaekun KIM ,  Manin BAEK ,  Taehoon YOO ,  Hyunwoo SO ,  Jaehyun RA

IPC: B29C43/36 ,  B29C53/06 ,  B29C43/58 ,  B29C43/02

CPC classification number: B29C43/36 ,  B29C53/06 ,  B29C43/58 ,  B29C43/02 ,  B29C2043/3272

Abstract: Press mold for secondary battery a press upper mold; at least two overforming punches arranged to be raised and lowered in the press upper mold; a plurality of forming punches arranged in the press upper mold to be raised and lowered between the overforming punches and the press upper mold; a press lower mold provided with a bridge forming protrusion protruding from an upper surface thereof; the bridge forming protrusion configured to form a bridge to be protruded from the pouch sheet, and a pouch sheet holder disposed to be raised and lowered on the press lower mold and fixing the pouch sheet together with the press upper mold, wherein the plurality of forming punches include a center punch in which a bridge forming groove into which a bridge is inserted is recessed on a lower surface.

公开(公告)号：US20220264755A1

公开(公告)日：2022-08-18

申请号：US17629989

申请日：2019-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon PARK ,  Jaekun KIM ,  Jaeyong KIM ,  Manin BAEK ,  Hyunwoo SO ,  Bosung LEE ,  Kwaneun JIN

IPC: H05K5/02 ,  H05K5/00

Abstract: A rollable display device according to one aspect of the present invention comprises: a roller; a display unit which is rolled around the roller, and which comprises a display panel and a module cover that is laminated on the display panel so as to face same; a link assembly for moving the display unit upward and downward; and a motor assembly for driving the link assembly, wherein the module cover can comprise: a module cover having a yield strain of 0.5% or higher; and a film part which is laminated on the module cover and which has an elongation rate higher than that of the module cover.