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公开(公告)号：US10540033B2
公开(公告)日：2020-01-21
申请号：US16460879
申请日：2019-07-02
Applicant: LG Display Co., Ltd.
Inventor： SuChang An , JiHyun Jung , DeukSu Lee , JaeGyun Lee , RuDa Lee , HyangMyoung Gwon , YangSik Lee
Abstract: A display panel and a touch display device are disclosed herein. In one embodiment, the display panel includes data lines, gate lines, subpixels defined by the data lines and the gate lines, and touch sensors, and a touch sensing circuit sensing a touch or a touched position using the touch sensors. Each of the touch sensors is located on an encapsulation layer and comprises two or more sub-electrodes located on different layers, where the two or more sub-electrodes are electrically connected to each other.
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公开(公告)号：US20190302944A1
公开(公告)日：2019-10-03
申请号：US16365428
申请日：2019-03-26
Applicant: LG Display Co., Ltd.
Inventor： Ruda RHE , JiHyun Jung , DeukSu Lee , SuChang An , JaeGyun Lee , Hyangmyoung Gwon , Yangsik Lee
IPC: G06F3/041 , G06F3/047 , G06F3/0488
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 provide 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.
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公开(公告)号：US20250093995A1
公开(公告)日：2025-03-20
申请号：US18952957
申请日：2024-11-19
Applicant: LG Display Co., Ltd.
Inventor： JaeGyun Lee , JiHyun Jung , DeukSu Lee , SuChang An , Ruda Rhe , Hyangmyoung Gwon
Abstract: The disclosure is related to a touch display device including a display panel. By dividing an active area of the display panel into a plurality of sub-areas, and driving a touch electrode disposed on each of the plurality of sub-areas separately, a load of the touch electrodes is reduced depending on a size of the display panel and a performance of a touch sensing can be improved.
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公开(公告)号：US12056301B2
公开(公告)日：2024-08-06
申请号：US17875065
申请日：2022-07-27
Applicant: LG Display Co., Ltd.
Inventor： Ruda Rhe , JiHyun Jung , DeukSu Lee , SuChang An , JaeGyun Lee , Hyangmyoung Gwon
CPC classification number: G06F3/0412 , G06F3/0446 , H01L27/156 , H01L33/54
Abstract: Embodiments of the present disclosure are related to a touch display device that includes a touch sensor. The touch sensor has a touch sensor structure that prevents or at least reduces a defect of a touch routing line that electrically connects a touch electrode and a touch pad. The defect is prevented or at least reduced due to a reduction of a height difference between a dam disposed between an active area and a pad area and a peripheral area thereof.
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公开(公告)号：US11816282B2
公开(公告)日：2023-11-14
申请号：US17866058
申请日：2022-07-15
Applicant: LG DISPLAY CO., LTD.
Inventor： JaeGyun Lee , Ruda Rhe , Hyangmyoung Gwon , JiHyun Jung , DeukSu Lee , SuChang An
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0443
Abstract: A touch display device is disclosed. By arranging a part of a touch routing line for a driving of a touch electrode on an active area and electrically connecting the touch routing line to an auxiliary routing pattern that overlaps the touch routing line, an area where the touch routing line is disposed and a load of the touch routing line can be reduced.
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Patent Agency Ranking
公开(公告)号：US20230124237A1
公开(公告)日：2023-04-20
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
IPC: G06F3/044
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：US20230122308A1
公开(公告)日：2023-04-20
申请号：US17848111
申请日：2022-06-23
Applicant: LG Display Co., Ltd.
Inventor： SuChang An , JiHyun Jung , DeukSu Lee , JaeGyun Lee , Ruda Rhe , Hyangmyoung Gwon
Abstract: Embodiments of the present disclosure are related to a touch display device. By differentiating a cutting shape of a boundary of a portion constituting a touch electrode or a touch routing line and a cutting shape of a boundary of a portion constituting a dummy electrode, a repair of a touch sensor structure can be performed easily in a process implementing the touch sensor structure in a display panel.
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公开(公告)号：US20230118885A1
公开(公告)日：2023-04-20
申请号：US17875065
申请日：2022-07-27
Applicant: LG Display Co., Ltd.
Inventor： Ruda Rhe , JiHyun Jung , DeukSu Lee , SuChang An , JaeGyun Lee , Hyangmyoung Gwon
Abstract: Embodiments of the present disclosure are related to a touch display device that includes a touch sensor. The touch sensor has a touch sensor structure that prevents or at least reduces a defect of a touch routing line that electrically connects a touch electrode and a touch pad. The defect is prevented or at least reduced due to a reduction of a height difference between a dam disposed between an active area and a pad area and a peripheral area thereof.
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公开(公告)号：US20220413644A1
公开(公告)日：2022-12-29
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
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：US11009979B2
公开(公告)日：2021-05-18
申请号：US16172485
申请日：2018-10-26
Applicant: LG DISPLAY CO., LTD.
Inventor： JaeGyun Lee , Sangkyu Kim , JiHyun Jung , DeukSu Lee , Jaeseung Kim
IPC: G06F3/041 , G06F3/044 , H01L27/32 , G09G3/3275 , G09G3/3266 , H01L51/56 , H01L51/52 , G09G3/3233
Abstract: A touchscreen panel and a touch display device including the same are discussed. A plurality of touch lines disposed on the touchscreen panel include first touch lines and second touch lines. A portion or entirety of each of first touch lines connected to the first touch electrodes overlaps a corresponding one of second touch lines connected to the second touch electrodes. The degree of opening of the touchscreen panel is not lowered by the touch lines.
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