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公开(公告)号：US11928300B2
公开(公告)日：2024-03-12
申请号：US17901795
申请日：2022-09-01
Applicant: LG Display Co., Ltd.
Inventor： KyungSu Ha , Wooram Oh
CPC classification number: G06F3/0446 , G06F3/04166 , G06F3/0445
Abstract: Disclosed herein is a touch display device and a display panel. The touch display device includes a display panel in which a plurality of X-touch electrode lines, which extend in a first direction and receive a touch driving signal through a plurality of X-touch lines, and a plurality of Y-touch electrode lines, which extend in a second direction and transmit a touch sensing signal through a plurality of Y-touch lines, are disposed, and a touch driving circuit configured to supply the touch driving signal to the plurality of X-touch electrode lines and receive the touch sensing signal from the Y-touch electrode line to sense a touch, wherein overlapping areas in which at least some of the plurality of X-touch lines overlap at least some of the plurality of Y-touch lines are different.
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公开(公告)号：US12271565B2
公开(公告)日：2025-04-08
申请号：US18437082
申请日：2024-02-08
Applicant: LG Display Co., Ltd.
Inventor： Kyungsu Ha , Wooram Oh
Abstract: Disclosed herein is a touch display device and a display panel. The touch display device includes a display panel in which a plurality of X-touch electrode lines, which extend in a first direction and receive a touch driving signal through a plurality of X-touch lines, and a plurality of Y-touch electrode lines, which extend in a second direction and transmit a touch sensing signal through a plurality of Y-touch lines, are disposed, and a touch driving circuit configured to supply the touch driving signal to the plurality of X-touch electrode lines and receive the touch sensing signal from the Y-touch electrode line to sense a touch, wherein overlapping areas in which at least some of the plurality of X-touch lines overlap at least some of the plurality of Y-touch lines are different.
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公开(公告)号：US20230059891A1
公开(公告)日：2023-02-23
申请号：US17893035
申请日：2022-08-22
Applicant: LG Display Co., Ltd.
Inventor： Wooram Oh , JeHyung Park , KyungSu Ha , Dayeong Lee , SeungHo Park
Abstract: Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line.
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公开(公告)号：US11934607B2
公开(公告)日：2024-03-19
申请号：US18185752
申请日：2023-03-17
Applicant: LG Display Co., Ltd.
Inventor： Wooram Oh , YoungChul Kwon
IPC: G06F3/041 , G06F3/044 , G09G3/3225
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/04166 , G06F3/0446 , G06F2203/04112 , G09G3/3225 , G09G2300/0842
Abstract: A touch display device and a display panel uniformly distributing capacitances between the touch lines and the touch electrodes are provided. The device includes a display panel in which a plurality of X-touch electrodes are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines to transmit a plurality of touch sensing signals, and a touch driving circuit. A plurality of X-touch lines transmit the touch driving signals connect together the plurality of X-touch electrodes constituting a same X-touch electrode line through a plurality of contact holes. Distances between at least one Y-touch electrode line and the plurality of contact holes through which the plurality of X-touch lines are electrically connected to the X-touch electrodes adjacent to the at least one Y-touch electrode line are uniform.
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公开(公告)号：US11630535B2
公开(公告)日：2023-04-18
申请号：US17852184
申请日：2022-06-28
Applicant: LG Display Co., Ltd.
Inventor： Wooram Oh , YoungChul Kwon
Abstract: A touch display device and a display panel uniformly distributing capacitances between the touch lines and the touch electrodes are provided. The device includes a display panel in which a plurality of X-touch electrodes are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines to transmit a plurality of touch sensing signals, and a touch driving circuit. A plurality of X-touch lines transmit the touch driving signals connect together the plurality of X-touch electrodes constituting a same X-touch electrode line through a plurality of contact holes. Distances between at least one Y-touch electrode line and the plurality of contact holes through which the plurality of X-touch lines are electrically connected to the X-touch electrodes adjacent to the at least one Y-touch electrode line are uniform.
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Patent Agency Ranking
公开(公告)号：US12032778B2
公开(公告)日：2024-07-09
申请号：US18185745
申请日：2023-03-17
Applicant: LG Display Co., Ltd.
Inventor： Wooram Oh , Youngchul Kwon
IPC: G06F3/041 , G06F3/044 , G09G3/3225
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/04166 , G06F3/0446 , G06F2203/04112 , G09G3/3225 , G09G2300/0842
Abstract: A touch display device and a display panel uniformly distributing capacitances between the touch lines and the touch electrodes are provided. The device includes a display panel in which a plurality of X-touch electrodes are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines to transmit a plurality of touch sensing signals, and a touch driving circuit. A plurality of X-touch lines transmit the touch driving signals connect together the plurality of X-touch electrodes constituting a same X-touch electrode line through a plurality of contact holes. Distances between at least one Y-touch electrode line and the plurality of contact holes through which the plurality of X-touch lines are electrically connected to the X-touch electrodes adjacent to the at least one Y-touch electrode line are uniform.
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公开(公告)号：US11662868B2
公开(公告)日：2023-05-30
申请号：US17488855
申请日：2021-09-29
Applicant: LG DISPLAY CO., LTD.
Inventor： Wooram Oh , JeHyung Park , Hanbin Lee
CPC classification number: G06F3/0446 , G06F3/04166 , G06F3/04184 , G06F2203/04111
Abstract: The present disclosure relates to a touch display device including a display panel in which a plurality of touch electrode lines including a plurality of X-touch electrode lines extending to a first direction and a plurality of Y-touch electrode lines extending to a second direction, and a plurality of subpixels are disposed; a touch driving circuit for supplying a touch driving signal to the display panel and sensing a touch by detecting a touch sensing signal; at least one or more pseudo touch routing lines disposed along a non-display area of the display panel; and a plurality of pseudo touch electrode lines extending from the at least one or more pseudo touch routing lines and spaced apart from each other at a reference interval.
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公开(公告)号：US11531423B2
公开(公告)日：2022-12-20
申请号：US17521149
申请日：2021-11-08
Applicant: LG DISPLAY CO., LTD.
Inventor： Wooram Oh , KyungSu Ha
Abstract: A touch display device comprises a display panel in which a plurality of touch electrodes including a plurality of X-touch electrodes extending to a first direction and a plurality of Y-touch electrodes extending to a second direction, and a plurality of subpixels are disposed; and a touch driving circuit supplying a touch driving signal to the display panel, sensing a touch by detecting a touch sensing signal, and overlapping with a turn-off section of a first switch transmitting the touch sensing signal and a turn-on section of a second switch resetting the touch sensing signal transmitted through the first switch.
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公开(公告)号：US12265673B2
公开(公告)日：2025-04-01
申请号：US18433127
申请日：2024-02-05
Applicant: LG Display Co., Ltd.
Inventor： Wooram Oh , YoungChul Kwon
IPC: G06F3/041 , G06F3/044 , G09G3/3225
Abstract: A touch display device and a display panel uniformly distributing capacitances between the touch lines and the touch electrodes are provided. The device includes a display panel in which a plurality of X-touch electrodes are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines to transmit a plurality of touch sensing signals, and a touch driving circuit. A plurality of X-touch lines transmit the touch driving signals connect together the plurality of X-touch electrodes constituting a same X-touch electrode line through a plurality of contact holes. Distances between at least one Y-touch electrode line and the plurality of contact holes through which the plurality of X-touch lines are electrically connected to the X-touch electrodes adjacent to the at least one Y-touch electrode line are uniform.
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公开(公告)号：US12001639B2
公开(公告)日：2024-06-04
申请号：US17893035
申请日：2022-08-22
Applicant: LG Display Co., Ltd.
Inventor： Wooram Oh , JeHyung Park , KyungSu Ha , Dayeong Lee , SeungHo Park
IPC: G06F3/044 , G06F3/041 , G02F1/1333 , H10K59/122 , H10K59/40
CPC classification number: G06F3/0446 , G06F3/04164 , G02F1/13338 , G06F3/0412 , G06F2203/04111 , G06F2203/04112 , H10K59/122 , H10K59/40
Abstract: Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line.
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