公开(公告)号：US11360601B2

公开(公告)日：2022-06-14

申请号：US17078544

申请日：2020-10-23

Applicant: LG Display Co., Ltd.

Inventor： YoungGyu Kim ,  Hyunsuk Cho ,  NamYong Gong ,  HyungUk Jang ,  DoYoung Jung ,  Jongsung Kim

IPC: G06F3/041

Abstract: Embodiments of the present disclosure relate to a touch circuit, a touch display device, and a touch driving method, and more specifically, to a touch circuit, a touch display device, and a touch driving method for simply configuring a system for transmitting signals between a touch display device and a stylus by uniformly arranging intervals between touch driving periods in a touch frame.

公开(公告)号：US11275464B2

公开(公告)日：2022-03-15

申请号：US17022768

申请日：2020-09-16

Applicant: LG Display Co., Ltd.

Inventor： HyungUk Jang ,  NamYong Gong ,  SangHyuck Bae ,  YoungGyu Kim ,  DoYoung Jung ,  Hyunsuk Cho ,  Jongsung Kim

IPC: G06F3/041 ,  G06F3/044

Abstract: Provided are a touch display device and a touch circuit that can effectively simultaneously sense a plurality of pens in a predetermined touch frame time (a driving time) by simultaneously performing sensing of pen information and sensing of a pen position using pen data.

公开(公告)号：US20240395995A1

公开(公告)日：2024-11-28

申请号：US18775346

申请日：2024-07-17

Applicant: LG Display Co., Ltd.

Inventor： Changhyun Song ,  Minseok Kim ,  Jongsung Kim ,  Jaewon Lee

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L33/10 ,  H01L33/24

Abstract: Disclosed is a display device including a substrate comprising a front panel region, a rear panel region and a bending region disposed between the front panel region and the rear panel region; a display region located in the front panel region, a plurality of light emitting elements being disposed on the display region; an integrated circuit chip disposed on the rear panel region; and connection wires extending from the front panel region to the rear panel region of the substrate through the bending region, and the rear panel region of the substrate may be secured to a lower portion of the substrate that corresponds to the front panel region.

公开(公告)号：US12108619B2

公开(公告)日：2024-10-01

申请号：US17511282

申请日：2021-10-26

Applicant: LG Display Co., Ltd.

Inventor： Seungkyeom Kim ,  Jongsung Kim ,  Hyesook Kim

IPC: H10K59/122 ,  H10K50/822 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K50/822 ,  H10K59/122 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: A light emitting display panel can include a first pixel and a second pixel disposed adjacent to each other on a planarization layer; an anode disposed in each of the first and second pixels; a light emitting layer disposed in each the first and second pixels; a main cathode disposed in each of the first and second pixels; a boundary groove in the planarization layer in an area between the first and second pixels; a boundary region cathode disposed in the boundary groove, in which the boundary region cathode and the main cathode are spaced apart from each other in the boundary groove, and the boundary region cathode and the main cathode are electrically connected to each other in a region outside of the boundary groove.

公开(公告)号：US20240222587A1

公开(公告)日：2024-07-04

申请号：US18485823

申请日：2023-10-12

Applicant: LG Display Co., Ltd.

Inventor： Changhyun Song ,  Minseok Kim ,  Jongsung Kim ,  Jaewon Lee

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L33/10 ,  H01L33/24

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/10 ,  H01L33/24

Abstract: Disclosed is a display device including a substrate comprising a front panel region, a rear panel region and a bending region disposed between the front panel region and the rear panel region; a display region located in the front panel region, a plurality of light emitting elements being disposed on the display region; an integrated circuit chip disposed on the rear panel region; and connection wires extending from the front panel region to the rear panel region of the substrate through the bending region, and the rear panel region of the substrate may be secured to a lower portion of the substrate that corresponds to the front panel region.

公开(公告)号：US11494027B2

公开(公告)日：2022-11-08

申请号：US17492234

申请日：2021-10-01

Applicant: LG Display Co., Ltd.

Inventor： Jongsung Kim ,  HyungUk Jang ,  YoungGyu Kim ,  NamYong Gong

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/0354 ,  G06F3/038

Abstract: Discussed is a touch display device and a touch sensing method. More particularly, according to the number of pens that have been paired, the frame can be reconfigured by changing the type of all or part of the multiple touch time periods in the frame, and it is possible to provide high-speed pen search and pen pairing by designing a highly scalable pen protocol to flexibly change the pen mode.

公开(公告)号：US11243644B2

公开(公告)日：2022-02-08

申请号：US16726530

申请日：2019-12-24

Applicant: LG Display Co., Ltd.

Inventor： Suyun Ju ,  HyungUk Jang ,  Sungsu Han ,  DoYoung Jung ,  SangHyuck Bae ,  Jongsung Kim

IPC: G06F3/041 ,  G06F3/038 ,  G06F3/0354 ,  G06F3/0484 ,  G06F3/044

Abstract: A touch display device comprises a touch panel including a plurality of touch electrodes; and a touch driving circuit configured to sense one or more of the plurality of touch electrodes, wherein the touch driving circuit has an operation period including a plurality of touch intervals that includes a first sensing interval and a second sensing interval, and the first sensing interval includes at least a first time division sensing interval and the second sensing interval includes at least a second time division sensing interval, and wherein the touch driving circuit is configured to detect a pen signal output from a first pen through one or more touch electrodes of the plurality of touch electrodes during the first time division sensing interval, and detect a pen signal output from a second pen through one or more touch electrodes of the plurality of touch electrodes during the second time division sensing interval.

公开(公告)号：US10955964B2

公开(公告)日：2021-03-23

申请号：US16719456

申请日：2019-12-18

Applicant: LG Display Co., Ltd.

Inventor： DoYoung Jung ,  HyungUk Jang ,  SangHyuck Bae ,  Sungsu Han ,  Suyun Ju ,  Jongsung Kim

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/038

Abstract: A touchscreen display device includes a display panel, a touch sensor, and a touch circuit. The touch sensor is disposed in an area corresponding to the display panel to output an uplink signal including signal intensity information regarding an intensity of a downlink signal output from an active pen. The touch circuit controls the touch sensor to output the uplink signal.

公开(公告)号：US10454061B2

公开(公告)日：2019-10-22

申请号：US15533135

申请日：2015-10-05

Applicant: LG DISPLAY CO., LTD.

Inventor： Jang Jo ,  Jongsung Kim ,  Hyunggeun Kwon

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L51/00

Abstract: This disclosure relates to an organic electroluminescent display device and a method of sealing the same capable of reducing a manufacturing time and a complexity of manufacturing process. The organic electroluminescent display device comprises a first substrate including an active area and a bezel area outside the active area, the first substrate including an organic light emitting layer and a passivation film covering the organic light emitting layer thereon; a second substrate facing to the first substrate; and a filling layer in a space between the first substrate and the second substrate, wherein the filling layer includes; a first region having a first hardness, and spaced apart at a predetermined distance from the a passivation film to surround the protective layer in the bezel area; and a second region having a second hardness lower than the first hardness, and positioned inside the first region to be contacted with the first region.