Lg Electronics Inc.

Jaekun Kim

Manin Baek

Bosung Lee

Jaehoon Park

Hyunwoo So

Jaeyong Kim

Kwaneun Jin

Woohyuk Choi

JunHyung Kim

Jaeuk Ryu

Taehoon Yoo

Jaehyun Ra

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.

Secondary battery pouch press mold

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.

Rollable display device

A display device is disclosed. The display device includes a housing, a roller located within the housing, a display panel having a front surface for displaying a screen and a back surface facing the front surface, the display panel being wound on the roller, and a plate wound on the roller, and coupled to back surface of the display panel, the plate having an opening.

Display device

A display device including a display panel; and a module cover positioned at a rear of the display panel. The module cover includes a flat plate portion corresponding to a rear surface of the display panel; a side wall extended toward a front of the display panel from the flat plate portion, the side wall covering an edge of the display panel; and a bent portion between the flat plate portion and the side wall; Further, the flat plate portion includes a flat plate portion first layer at the rear of the display panel; a flat plate portion second layer at a rear of the flat plate portion first layer; and a flat plate portion third layer at a rear of the flat plate portion second layer. In addition, the flat plate portion second layer includes a material having a greater rigidity than a material of the flat plate portion first layer or the flat plate portion third layer.

Growing community of inventors

Seoul, South Korea

Jaekun Kim