公开(公告)号：US10798831B2

公开(公告)日：2020-10-06

申请号：US16560066

申请日：2019-09-04

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Shin ,  ChounSung Kang ,  GeunChang Park

IPC: H05K5/00 ,  H05K5/03 ,  H05K1/14 ,  H05K5/02

Abstract: A display device comprises a display panel and a back cover attached to the display panel. The back cover includes a first flexible area and a first supporting area adjacent to the first flexible area. The back cover includes a central area and an edge area at one or more lateral sides of the central area. The central area includes a plurality of first openings, and the edge area includes a plurality of second openings. The first flexible area includes a first sub-flexible area and a second sub-flexible area, the first sub-flexible area being between the first supporting area and the second sub-flexible area in a column direction. A distance between two adjacent second openings in the edge area of the first sub-flexible area is smaller than a distance between two adjacent second openings in the edge area of the second sub-flexible area.

公开(公告)号：US12041737B2

公开(公告)日：2024-07-16

申请号：US17746551

申请日：2022-05-17

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  Daeyun Kim ,  GeunChang Park

IPC: G06F1/16 ,  H05K5/00 ,  H05K5/02

CPC classification number: H05K5/0217 ,  H05K5/0017 ,  H05K5/0247

Abstract: A display device includes a display panel, a plurality of flexible films electrically connected to one end of the display panel, a source printed circuit board electrically connected to the plurality of flexible films, a roller on which the display panel is wound or unwound, a control printed circuit board disposed in the roller and a wiring sheet including a first wiring line electrically connecting at least one of the plurality of source printed circuit boards and the control printed circuit board. By disposing the wiring sheet in which the first wiring and the sheet are integrated, damage of the first wiring due to repeated winding and unwinding can be minimized.

公开(公告)号：US11670199B2

公开(公告)日：2023-06-06

申请号：US17507404

申请日：2021-10-21

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  GeunChang Park ,  Daeyun Kim

IPC: G06F1/16 ,  G09F9/30

CPC classification number: G09F9/301 ,  G06F1/1652 ,  G06F1/1656

Abstract: A display device includes a display panel, a first cover supporting a rear surface of the display panel and a second cover with a first end of the second cover connected to the first cover. The display device also includes a roller to which a second end of the second cover is fixed with the roller configured to wind or unwind the display panel. The display device further includes a fastening member configured to fix the second end of the second cover to the roller. The roller includes a flat part and a curved part, and the flat part includes a first flat portion and a second flat portion that is closer to a center surface of the roller than the first flat portion. The fastening member is disposed on the second flat portion.

公开(公告)号：US11625070B2

公开(公告)日：2023-04-11

申请号：US17374667

申请日：2021-07-13

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  GeunChang Park

IPC: G06F1/16 ,  H05K5/02 ,  H05K5/00 ,  H01L51/52 ,  G09G3/20 ,  G09G3/00

Abstract: A display device includes a display panel in which a plurality of pixels is defined, a back cover disposed on a rear surface of the display panel, a roller which is connected to the back cover to wind or unwind the back cover and the display panel, and a protective sheet which is disposed on a rear surface of the back cover and has a relatively small tensile strength in a rolling direction of the roller to reduce the stress generated during rolling and improve the lateral rigidity of the display unit.

公开(公告)号：US11445622B2

公开(公告)日：2022-09-13

申请号：US17180786

申请日：2021-02-20

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Shin ,  ChounSung Kang ,  SunBok Song ,  GeunChang Park ,  Moonsun Lee

IPC: H05K5/00 ,  H05K5/02 ,  H05K5/03 ,  G06F1/16 ,  G09F9/30 ,  H01L51/00 ,  H01L51/52

Abstract: A display device includes a display panel including a display area on which a plurality of display elements is disposed and a non-display area on which one or more wires for driving the plurality of display elements are disposed. A back cover is attached to one surface of the display panel and has a plurality of openings. A roller unit winds or unwinds the back cover and the display panel, and a lifting unit moves the back cover and the display panel in a vertical direction. The plurality of openings overlaps the display panel, and each of the plurality of openings is disposed to be staggered with one or more of the openings in an adjacent row. A size of the back cover is larger than a size of the display panel.

公开(公告)号：US11304315B2

公开(公告)日：2022-04-12

申请号：US16456550

申请日：2019-06-28

Applicant: LG Display Co., Ltd.

Inventor： MinSeok Kim ,  Mi-Na Shin ,  ChounSung Kang ,  SunBok Song ,  GeunChang Park ,  Moonsun Lee

IPC: H05K5/00 ,  H05K5/03 ,  H05K5/02 ,  H01L51/52

Abstract: A display device includes: a display panel and a back cover which is disposed on one surface of the display panel and has a plurality of openings in which a left edge and a right edge among a plurality of edges of the back cover are bent toward the display panel. Therefore, a display device in which the left edge and the right edge of the back cover are bent to improve a sharp edge is provided and an injury risk of the user due to the sharp edge may be avoided.

公开(公告)号：US11013130B2

公开(公告)日：2021-05-18

申请号：US16455174

申请日：2019-06-27

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Shin ,  ChounSung Kang ,  SunBok Song ,  GeunChang Park ,  Moonsun Lee

IPC: H05K5/00 ,  H05K5/02 ,  H05K5/03 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  G06F1/16 ,  G09F9/30

Abstract: A display device includes a display panel including a display area on which a plurality of display elements is disposed and a non-display area on which one or more wires for driving the plurality of display elements are disposed. A back cover is attached to one surface of the display panel and has a plurality of openings. A roller unit winds or unwinds the back cover and the display panel, and a lifting unit moves the back cover and the display panel in a vertical direction. The plurality of openings overlaps the display panel, and each of the plurality of openings is disposed to be staggered with one or more of the openings in an adjacent row. A size of the back cover is larger than a size of the display panel.

公开(公告)号：US11678446B2

公开(公告)日：2023-06-13

申请号：US16990178

申请日：2020-08-11

Applicant: LG Display Co., Ltd.

Inventor： JiHun Song ,  ChounSung Kang ,  Mi-Na Shin ,  Hoiyong Kwon ,  GeunChang Park

IPC: H05K5/02 ,  H05K5/00 ,  H05K7/20

CPC classification number: H05K5/0217 ,  H05K5/0017 ,  H05K7/20954

Abstract: A display device may include a display panel, a first back cover disposed on a rear surface of the display panel, at least one flexible film which is electrically connected to one end of the display panel and is bent toward a rear surface of the first back cover or a front surface of the display panel, and a printed circuit board which is electrically connected to the at least one flexible film and disposed on the rear surface of the first back cover or the at least one flexible film. The printed circuit board overlaps one end of the display panel. Accordingly, one end of the display panel in which the pad area which is vulnerable to the stress is disposed and the printed circuit board are maintained to be flat, to minimize the damage of the display device.

公开(公告)号：US20230164934A1

公开(公告)日：2023-05-25

申请号：US17964895

申请日：2022-10-12

Applicant: LG Display Co., Ltd.

Inventor： GeunChang Park ,  ChounSung Kang ,  Daeyun Kim

IPC: H05K5/02

CPC classification number: H05K5/0217

Abstract: According to an exemplary embodiment of the present disclosure, a display device includes a display unit including a display panel which displays an image, a head bar connected to an upper end of the display unit, a roller which is connected to a lower end of the display unit to ascend or descend the display unit, and four sets of spring units which are disposed on a rear surface of the display unit to intersect with respect to a gear unit, thereby minimizing loads of the display panel and the motor and maximizing an efficiency.

公开(公告)号：US20220386484A1

公开(公告)日：2022-12-01

申请号：US17746551

申请日：2022-05-17

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  Daeyun Kim ,  GeunChang Park

IPC: H05K5/02 ,  H05K5/00

Abstract: A display device includes a display panel, a plurality of flexible films electrically connected to one end of the display panel, a source printed circuit board electrically connected to the plurality of flexible films, a roller on which the display panel is wound or unwound, a control printed circuit board disposed in the roller and a wiring sheet including a first wiring line electrically connecting at least one of the plurality of source printed circuit boards and the control printed circuit board. By disposing the wiring sheet in which the first wiring and the sheet are integrated, damage of the first wiring due to repeated winding and unwinding can be minimized.