公开(公告)号：US11437443B2

公开(公告)日：2022-09-06

申请号：US17060659

申请日：2020-10-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Yangsik Lee ,  Jungho Jo

IPC: G09G5/00 ,  H01L27/32 ,  G06F3/041 ,  G06F3/044

Abstract: A display device includes a substrate having an active area and a non-active area where the non-active area includes a first and second routing areas; a transistor over the active area; a device insulating layer over the transistor; a pixel electrode over the device insulating layer and electrically connected to a source or drain electrode of the transistor via a contact hole in the device insulating layer; an emitting layer over the pixel electrode; a common electrode over the emitting layer; an encapsulation layer over the common electrode in the active area and the first routing area, and having an inclined surface in the first routing area; one or more dams at a boundary between the first and second routing areas and having a height higher than those of surroundings; and a side edge touch electrode in at least one of the first and second routing areas.

公开(公告)号：US11409386B2

公开(公告)日：2022-08-09

申请号：US17306427

申请日：2021-05-03

Applicant: LG Display Co., Ltd.

Inventor： Yangsik Lee ,  Hwideuk Lee ,  Sungsu Han

IPC: G06F3/041 ,  G06F3/044

Abstract: Embodiments of the present disclosure are related to a touch display device, by implementing a touch routing line using a part of a display electrode metal disposed in a non-active area of a display panel, the non-active area is reduced, and the touch routing line can be disposed while preventing an increase of a load of the touch routing line. Furthermore, by connecting the touch routing line implemented with the display electrode metal under an encapsulation layer to a touch electrode on the encapsulation layer through a connecting metal located under a dam, the touch routing line can be disposed under the encapsulation layer without dropping a function of the encapsulation layer for reducing moisture permeation.

公开(公告)号：US11088220B2

公开(公告)日：2021-08-10

申请号：US16175307

申请日：2018-10-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Yangsik Lee ,  JiHyun Jung ,  SuChang An ,  JaeGyun Lee ,  Ruda Rhe

IPC: H01L27/32 ,  H01L51/52 ,  G06F3/041 ,  G06F3/044 ,  H01L51/56

Abstract: According to the various embodiments of the present disclosure, provided are a display device and a method of the same including a substrate including a display area and a pad area applying a signal to the display area, and an encapsulation layer disposed in the display area and including a first inorganic film, a second inorganic film disposed on the first inorganic film, and a first organic film disposed between the first inorganic film and the second inorganic film. The display device further includes a touch buffer layer disposed on the encapsulation layer, and a touch sensing unit disposed on the touch buffer layer, and including a touch sensor in which at least one inorganic film of the first inorganic film and the second inorganic film is disposed on a part of the pad area and a touch buffer layer is disposed on the at least one inorganic film.

公开(公告)号：US11036342B2

公开(公告)日：2021-06-15

申请号：US16397955

申请日：2019-04-29

Applicant: LG Display Co., Ltd.

Inventor： KwangJo Hwang ,  DeukSu Lee ,  JaegYun Lee ,  Yangsik Lee

IPC: G06F3/044

Abstract: A touch display device and a touchscreen panel. Even in the case in which touch electrodes have different sizes or shapes or a located in different positions, a difference in capacitance is not formed among the touch electrodes. High touch sensitivity can be obtained. The touch display device comprises a plurality of touch electrodes, wherein a first touch electrode of the plurality of touch electrodes occupies a first area and comprises first mesh-shaped electrode metal. The touch display device comprises first dummy metal in a same layer as the first mesh-shaped electrode metal and in the first area occupied by the first touch electrode, the first dummy metal being electrically disconnected from the first mesh-shaped electrode metal.

公开(公告)号：US10976871B2

公开(公告)日：2021-04-13

申请号：US16173842

申请日：2018-10-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Yangsik Lee ,  JiHyun Jung ,  SuChang An ,  JaeGyun Lee

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch display device can include a touch panel including a plurality of touch electrodes including a first touch electrode and a second touch electrode, the first touch electrode being adjacent to and electrically isolated from the second touch electrode; and a touch-sensing circuit configured to drive the touch panel and sense a touch or touch coordinates, in which an outline portion of the first touch electrode and an outline portion of the second touch electrode have different shapes within a boundary area between the first touch electrode and the second touch electrode.

公开(公告)号：US10949038B2

公开(公告)日：2021-03-16

申请号：US16698781

申请日：2019-11-27

Applicant: LG Display Co., Ltd.

Inventor： Hyangmyoung Gwon ,  SeungHee Nam ,  Kwon-Shik Park ,  DeukSu Lee ,  BuYeol Lee ,  Yangsik Lee

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display panel having a built-in touchscreen includes a plurality of subpixels defined therein by a plurality of data lines and a plurality of gate lines, an encapsulation layer having an encapsulating function, and a color filter layer located on the encapsulation layer. An organic light-emitting display device includes the organic light-emitting display panel. Both the organic light-emitting display panel having a built-in touchscreen and the organic light-emitting display device having a built-in touchscreen is provided with a structure enabling a touchscreen disposed therewithin.

公开(公告)号：US10795480B2

公开(公告)日：2020-10-06

申请号：US16363523

申请日：2019-03-25

Applicant: LG Display Co., Ltd.

Inventor： Ruda Rhe ,  JiHyun Jung ,  DeukSu Lee ,  SuChang An ,  JaeGyun Lee ,  Hyangmyoung Gwon ,  Yangsik Lee

IPC: G06F3/047 ,  G06F3/041

Abstract: The present disclosure relates to a touch display device and a touch sensing method, and more specifically, to a touch display device and a touch sensing method that provides a single-layered touch sensor structure by a touch electrode connecting line that electrically connects touch electrodes arranged in one direction and is arranged to bypass and surround touch electrodes arranged in another direction, thereby enabling a simple manufacturing process, a high manufacturing yield, and a low manufacturing cost.

公开(公告)号：US10768732B2

公开(公告)日：2020-09-08

申请号：US16170636

申请日：2018-10-25

Applicant: LG Display Co., Ltd.

Inventor： Yangsik Lee

IPC: G06F3/041 ,  G06F3/044 ,  H01L51/52 ,  G02F1/1333 ,  H01L27/32

Abstract: A touch display panel and a touch display device are provided. A touch display device includes: an active area, a non-active area outside the active area, the non-active area including a bent area, a plurality of touch electrodes in the active area, a first insulating layer in the bent area, the first insulating layer including: a first region having a first height, and a second region having a second height lower than the first height, and a first touch line in the second region of the first insulating layer in the bent area in the non-active area.

公开(公告)号：US10572060B2

公开(公告)日：2020-02-25

申请号：US15813040

申请日：2017-11-14

Applicant: LG Display Co., Ltd.

Inventor： Yangsik Lee ,  KwangJo Hwang ,  JiHyun Jung ,  DeukSu Lee ,  SuChang An ,  JaeGyun Lee ,  Ruda Rhe

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: An embodiment disclosed herein provides a sensing unit that senses a touch corresponding to a capacitance formed by a first electrode and a second electrode. The first electrode includes a first driving electrode pattern and a first sensing electrode pattern, the first sensing electrode pattern being disposed in the first driving electrode pattern, the second electrode includes a second driving electrode pattern and a second sensing electrode pattern, the second driving electrode pattern being disposed in the second sensing electrode pattern. A first capacitive coupling is formed corresponding to the first touch electrode and the first sensing electrode, a second capacitive coupling is formed corresponding to the second driving electrode and the second sensing electrode, and a third capacitive coupling is formed corresponding to the first touch electrode and the second sensing electrode.

公开(公告)号：US12144226B2

公开(公告)日：2024-11-12

申请号：US17370636

申请日：2021-07-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Yangsik Lee ,  JiHyun Jung ,  SuChang An ,  JaeGyun Lee ,  Ruda Rhe

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K50/844 ,  H10K59/12 ,  H10K59/131 ,  H10K71/00

Abstract: A display device includes a substrate including a display area and a pad area; a thin film transistor in the display area; a light emitting film layer on the thin film transistor; an encapsulation layer on the light emitting film layer; a touch buffer layer on the encapsulation layer; a bridge, first touch electrodes and second touch electrodes disposed on the touch buffer layer; a touch insulating film disposed between the bridge and the first touch electrodes and the second touch electrodes; a touch pad in the pad area; a touch sensing line connected to the first touch electrodes; and a touch driving line connected to the second touch electrodes, wherein at least one of the touch sensing line and the touch driving line is provided on a side surface of the encapsulation layer.