公开(公告)号：US11651710B2

公开(公告)日：2023-05-16

申请号：US16994361

申请日：2020-08-14

Applicant: LG Display Co., Ltd.

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

IPC: G09F9/30 ,  H01L51/52 ,  H01L27/32

CPC classification number: G09F9/301 ,  H01L27/3246 ,  H01L51/5246

Abstract: Disclosed herein is a display device. The display device comprises: a mid cover; a display panel disposed on the mid cover and having a plurality of pixels defined therein; a plurality of back bars disposed under the mid cover; and a roller fixed to the mid cover. The mid cover, the display panel and the plurality of back bars are wound around or unwound from the roller.

公开(公告)号：US11064608B2

公开(公告)日：2021-07-13

申请号：US16667636

申请日：2019-10-29

Applicant: LG Display Co., Ltd.

Inventor： Jaekyung Choi ,  ChounSung Kang

IPC: H05K1/00 ,  H05K1/02 ,  H05K1/11 ,  H05K1/14 ,  H05K1/18 ,  H05K5/00 ,  H05K5/02 ,  H05K5/03 ,  G02F1/1333 ,  G06F1/16 ,  G06F3/041 ,  G06F3/147 ,  G09F9/00 ,  G09F9/30 ,  G09G3/20 ,  G09G3/22 ,  G09G3/3233 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: A rollable display device is disclosed. The rollable display device includes a rollable display panel, a roller configured to roll and unroll the rollable display pane, and a first printed circuit board electrically connected to the rollable display panel. The first printed circuit board comprises a curved surface having a curvature that matches a curvature of a curved surface of the roller. The first curved surface of the printed circuit board is in contact with the curved surface of the roller.

公开(公告)号：US10782740B2

公开(公告)日：2020-09-22

申请号：US16385821

申请日：2019-04-16

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  GeunChang Park ,  ChounSung Kang ,  Mi-Na Shin ,  SunBok Song ,  SeungJun Koo

IPC: G06F1/16 ,  G09F9/30 ,  H05K5/00

Abstract: A display apparatus includes a display panel including a plurality of pixels and configured to display an image; a housing module including a roller therein such that the display panel is configured to be wound on the roller to be housed in the housing module or unwound from the roller to extend from the housing module; a rolling module including a structure connected to the display panel and configured to wind or unwind the display panel according to a folding or unfolding of the structure; and a vibration device on the structure, the vibration device configured to vibrate the display panel in an unwound state.

公开(公告)号：US20240215395A1

公开(公告)日：2024-06-27

申请号：US18524370

申请日：2023-11-30

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  Daeyun Kim ,  GeunChang Park

IPC: H10K59/80

CPC classification number: H10K59/873 ,  H10K2102/311

Abstract: According to an aspect of the present disclosure, a display device includes: a display panel including a plurality of pixels; a first cover on a rear surface of the display panel; a second cover on a rear surface of the first cover, and a roller which is configured to wind or unwind the display panel, the first cover, and the second cover, the second cover including a plurality of variable holes configured to pass through the second cover. Therefore, it is possible to improve the durability of the display device and suppress the degradation of a rolling characteristic.

公开(公告)号：US20220130288A1

公开(公告)日：2022-04-28

申请号：US17507335

申请日：2021-10-21

Applicant: LG Display Co., Ltd.

Inventor： GeunChang Park ,  ChounSung Kang

IPC: G09F9/30 ,  G06F1/16

Abstract: A display device includes a display panel including a display area where images are displayed, a first cover configured to support a rear surface of the display panel, a roller configured to wind or unwind the display panel and the first cover, a second cover with a first end of the second cover fixed to the roller and a second opposite end of the second cover connected to an end of the first cover, and a cover assembly connecting the first cover and the second cover, wherein a boundary of the display area overlaps the cover assembly, and the cover assembly is configured to expose the display area.

公开(公告)号：US11256295B2

公开(公告)日：2022-02-22

申请号：US16456527

申请日：2019-06-28

Applicant: LG Display Co., Ltd.

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

IPC: G06F1/16

Abstract: A display device includes: a display panel and a back cover which supports the display panel on a rear surface of the display panel and includes a plurality of openings and a length of a lower edge of the back cover is larger than a length of an upper edge of the back cover. Therefore, when the display device is rolled, a rolling position of the display device may be guided.

公开(公告)号：US11626041B2

公开(公告)日：2023-04-11

申请号：US17507335

申请日：2021-10-21

Applicant: LG Display Co., Ltd.

Inventor： GeunChang Park ,  ChounSung Kang

IPC: G09F9/30 ,  G06F1/16

Abstract: A display device includes a display panel including a display area where images are displayed, a first cover configured to support a rear surface of the display panel, a roller configured to wind or unwind the display panel and the first cover, a second cover with a first end of the second cover fixed to the roller and a second opposite end of the second cover connected to an end of the first cover, and a cover assembly connecting the first cover and the second cover, wherein a boundary of the display area overlaps the cover assembly, and the cover assembly is configured to expose the display area.

公开(公告)号：US20220130289A1

公开(公告)日：2022-04-28

申请号：US17507404

申请日：2021-10-21

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  GeunChang Park ,  Daeyun Kim

IPC: G09F9/30 ,  G06F1/16

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：US20220029124A1

公开(公告)日：2022-01-27

申请号：US17374667

申请日：2021-07-13

Applicant: LG Display Co., Ltd.

Inventor： ChounSung Kang ,  GeunChang Park

IPC: H01L51/52

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：US10993337B2

公开(公告)日：2021-04-27

申请号：US16674563

申请日：2019-11-05

Applicant: LG Display Co., Ltd.

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

IPC: H05K5/00 ,  H05K5/02 ,  H05K1/14 ,  H05K1/18

Abstract: A disclosed display apparatus may include a display panel configured to display an image, and a first back cover at a rear surface of the display panel and supporting the display panel. The display apparatus may additionally include a roller configured to wind or unwind the display panel, and an adhesive part between the display panel and the first back cover and fixed to the roller.