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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
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.
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公开(公告)号：US12271563B2
公开(公告)日：2025-04-08
申请号：US17898015
申请日：2022-08-29
Applicant: LG Display Co., Ltd.
Inventor： JaeGyun Lee , JiHyun Jung , SuChang An , DeukSu Lee , Ruda Rhe , Hyangmyoung Gwon
Abstract: A touch display device is disclosed. The touch display device includes a touch electrode and a touch routing line that are disposed on an area that is different from an area where a spacer is disposed. Thus, a touch sensing function can be provided in the touch display device while reducing an influence that a touch sensor structure affects a viewing angle of an image.
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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.
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公开(公告)号：US12086368B2
公开(公告)日：2024-09-10
申请号：US18233572
申请日：2023-08-14
Applicant: LG Display Co., Ltd.
Inventor： Hyangmyoung Gwon , Ruda Rhe , JiHyun Jung , DeukSu Lee , SuChang An , JaeGyun Lee
IPC: G06F3/044
CPC classification number: G06F3/0445
Abstract: A touch display device is disclosed. By making at least one of a thickness or an angle of inclination of an insulating layer disposed on an area where a touch routing line is disposed on a non-active area of a display panel and an area that lacks the touch routing line to be different from each other, a short circuit between touch routing lines due to a defect in a process arranging the touch routing lines can be reduced.
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公开(公告)号：US20240160307A1
公开(公告)日：2024-05-16
申请号：US18423662
申请日：2024-01-26
Applicant: LG Display Co., Ltd.
Inventor： JaeGyun Lee , JiHyun Jung , SuChang An , Ruda Rhe , Hyangmyoung Gwon , DeukSu Lee
CPC classification number: G06F3/0412 , G06F3/0446
Abstract: Embodiments of the present disclosure are related to a touch display device. As a shape of a touch electrode adjacent to a boundary of an active area is implemented according to an arrangement structure of a light-emitting area of a subpixel, a touch sensing structure can be disposed to be suitable to an image display structure of a display panel.
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Patent Agency Ranking
公开(公告)号：US11768568B2
公开(公告)日：2023-09-26
申请号：US17879626
申请日：2022-08-02
Applicant: LG Display Co., Ltd.
Inventor： Hyangmyoung Gwon , Ruda Rhe , JiHyun Jung , DeukSu Lee , SuChang An , JaeGyun Lee
CPC classification number: G06F3/0445
Abstract: A touch display device is disclosed. By making at least one of a thickness or an angle of inclination of an insulating layer disposed on an area where a touch routing line is disposed on a non-active area of a display panel and an area that lacks the touch routing line to be different from each other, a short circuit between touch routing lines due to a defect in a process arranging the touch routing lines can be reduced.
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公开(公告)号：US11747931B2
公开(公告)日：2023-09-05
申请号：US17843377
申请日：2022-06-17
Applicant: LG Display Co., Ltd.
Inventor： Ruda Rhe , Hyangmyoung Gwon , JiHyun Jung , DeukSu Lee , SuChang An , JaeGyun Lee
IPC: G06F3/041 , G06F3/044 , G09G3/3225
CPC classification number: G06F3/0412 , G06F3/0445 , G06F3/0446 , G06F3/0448 , G06F2203/04112 , G09G3/3225 , G09G2300/0842
Abstract: Embodiments of the present disclosure are related to a touch display device, as a touch insulating film positioned under a touch electrode has a step difference and the touch electrode is disposed along a surface of the touch insulating film having the step difference. Thus, an area of the touch electrode disposed on an identical region increases and touch sensitivity can be improved. Furthermore, since the touch electrode is positioned lower toward from a central portion to an outer portion, a structure of the touch electrode being capable of improving touch sensitivity can be implemented without reducing a viewing angle of a light emitted from a light-emitting element positioned under the touch electrode.
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公开(公告)号：US20230214051A1
公开(公告)日：2023-07-06
申请号：US18175834
申请日：2023-02-28
Applicant: LG Display Co., Ltd.
Inventor： JaeGyun Lee , JiHyun Jung , DeukSu Lee , SuChang An , Ruda Rhe , Hyangmyoung Gwon
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0446 , G06F2203/04111
Abstract: A touch display device is disclosed. Since a touch electrode line included in the display device is divided into two or more touch electrode line parts connected to different touch routing lines, an entire load of the touch electrode line and the touch routing line can be reduced. As a portion of the touch routing line is disposed on an active area and touch routing lines connected to different touch electrode line parts are connected to each other between the active area and a touch driving circuit, an entire load can be reduced without an increase of a non-active area and an increase of a channel due to the touch routing lines, and a performance of a touch sensing can be improved.
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公开(公告)号：US20230119723A1
公开(公告)日：2023-04-20
申请号：US17876292
申请日：2022-07-28
Applicant: LG Display Co., Ltd.
Inventor： JaeGyun Lee , JiHyun Jung , SuChang An , Ruda Rhe , Hyangmyoung Gwon , DeukSu Lee
Abstract: Embodiments of the present disclosure are related to a touch display device. As a shape of a touch electrode adjacent to a boundary of an active area is implemented according to an arrangement structure of a light-emitting area of a subpixel, a touch sensing structure can be disposed to be suitable to an image display structure of a display panel.
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公开(公告)号：US11449162B2
公开(公告)日：2022-09-20
申请号：US16188657
申请日：2018-11-13
Applicant: LG DISPLAY CO., LTD.
Inventor： Yangsik Lee , JiHyun Jung , DeukSu Lee , JaeGyun Lee
Abstract: Aspects of the present disclosure relate to a touch display panel and a touch display device. In a structure in which a function module is disposed in an active area of a touch display panel, by providing a structure in which touch sensors or touch lines adjacent to the function module are connected through a connecting pattern disposed outside the function module or a sensor connection line disposed in a bezel area of the function module, it is possible to provide a touch sensing function throughout the entire area where images are displayed in a structure including an area, where images are not displayed, such as a function module in an active area.
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