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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
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.
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公开(公告)号:US20170329167A1
公开(公告)日:2017-11-16
申请号:US15669872
申请日:2017-08-04
Applicant: LG Display Co., Ltd.
Inventor: SungChul Kim , HyungUk Jang , SangHyuck Bae , Sungsu Han , Suyun Ju , DoYoung Jung
IPC: G02F1/1333 , G02F1/1343 , G06F3/041 , G06F3/044
CPC classification number: G02F1/13338 , G02F1/1343 , G06F3/041 , G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04112
Abstract: Exemplary embodiments of the present invention relate to a touch technology, and more specifically, to a signal control circuit, a power control circuit, a drive circuit, a timing controller, a touch system, and a touch sensitive display device and a driving method thereof that can simply swing various voltages in a display device for a touch mode period by using a modulated ground voltage obtained by swinging a ground voltage, thereby effectively providing touch driving and preventing unnecessary parasitic capacitance from being generated not only in an active area but also in all other areas.
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公开(公告)号:US20170102825A1
公开(公告)日:2017-04-13
申请号:US14984657
申请日:2015-12-30
Applicant: LG Display Co., Ltd.
Inventor: SungChul Kim , HyungUk Jang , SangHyuck Bae , Sungsu Han , Suyun Ju , DoYoung Jung
CPC classification number: G02F1/13338 , G02F1/1343 , G06F3/041 , G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04112
Abstract: Exemplary embodiments of the present invention relate to a touch technology, and more specifically, to a signal control circuit, a power control circuit, a drive circuit, a timing controller, a touch system, and a touch sensitive display device and a driving method thereof that can simply swing various voltages in a display device for a touch mode period by using a modulated ground voltage obtained by swinging a ground voltage, thereby effectively providing touch driving and preventing unnecessary parasitic capacitance from being generated not only in an active area but also in all other areas.
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公开(公告)号:US09535523B2
公开(公告)日:2017-01-03
申请号:US14026031
申请日:2013-09-13
Applicant: LG Display Co., Ltd.
Inventor: Cheolse Kim , Juhan Kim , Hoonbae Kim , Sungsu Han , Jinseong Kim , Manhyeop Han
IPC: G06F3/041 , G02F1/1333 , G06F3/044 , G02F1/1343 , G02F1/1362
CPC classification number: G06F3/0412 , G02F1/13338 , G02F2001/134372 , G02F2001/13629 , G06F3/044 , G06F2203/04103
Abstract: A touch sensor integrated type display device includes a plurality of gate lines, a plurality of data lines crossing over the plurality of the gate lines, a plurality of pixel electrodes formed in areas defined by crossing over the gate lines and the data lines, a plurality of first electrodes formed between pixel electrodes which are neighbored to each other with a gate line therebetween, a plurality of second electrodes, each of the second electrodes formed to overlap with at least one portion of the pixel electrode and arranged in parallel with the gate line, wherein one of the first and second electrodes serve as common electrodes for driving the display device.
Abstract translation: 一种触摸传感器集成型显示装置,包括多条栅极线,与多条栅极线交叉的多条数据线,形成在通过栅极线和数据线交叉定义的区域中的多个像素电极,多个 形成在彼此相邻并具有栅极线的像素电极之间的第一电极,多个第二电极,每个第二电极形成为与像素电极的至少一部分重叠并且与栅极线平行布置 其中,第一和第二电极中的一个用作用于驱动显示装置的公共电极。
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公开(公告)号:US09465497B2
公开(公告)日:2016-10-11
申请号:US14478196
申请日:2014-09-05
Applicant: LG Display Co., Ltd.
Inventor: Sungsu Han , Seongkyu Kang
CPC classification number: G06F3/044 , G06F3/0418
Abstract: A touch sensing system includes a plurality of touch sensors, sensing lines connected to the touch sensors, a touch sensing integrated circuit (IC) sensing a touch input using signals received through a plurality of receiving channels, a plurality of differential amplifiers which are formed between the sensing lines and the receiving channels of the touch sensing IC and amplify a difference between touch sensor signals received through adjacent sensing lines, and a multiplexer which connects the adjacent sensing lines to input terminals of each differential amplifier in a forward sensing mode and switches the adjacent sensing lines connected to the input terminals of each differential amplifier in a reverse sensing mode.
Abstract translation: 触摸感测系统包括多个触摸传感器,连接到触摸传感器的感测线,使用通过多个接收通道接收的信号感测触摸输入的触摸感测集成电路(IC);多个差分放大器, 触摸感测IC的感测线路和接收通道,并且放大通过相邻感测线路接收的触摸传感器信号之间的差异;以及多路复用器,其将相邻感测线路连接到前向感测模式中的每个差分放大器的输入端子,并切换 相邻的感测线以反向感测模式连接到每个差分放大器的输入端。
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公开(公告)号:US11907469B2
公开(公告)日:2024-02-20
申请号:US17963869
申请日:2022-10-11
Applicant: LG Display Co., Ltd.
Inventor: Sungsu Han , HwiDeuk Lee , Yangsik Lee , JuHong Kim
IPC: G06F3/041 , G06F3/044 , H10K59/40 , H10K59/124
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/0443 , H10K59/124 , H10K59/40 , G06F2203/04111
Abstract: A display device can include a substrate in which a plurality of pixels each including an emissive area and a transmissive area is disposed. The display device can further include a touch electrode in the transmissive area, and a plurality of first touch connection lines extended in a first direction and electrically connecting the touch electrodes respectively disposed in the pixels adjacent to each other. Further, the display device can include a reference line on the substrate in the emissive area and extended in a second direction different from the first direction, and a plurality of touch lines extended in the second direction in the emissive area and disposed on a plurality of insulating layers covering the reference line. Furthermore, the display device can include a planarization layer covering the plurality of touch lines, and a plurality of light emitting diodes on the planarization layer in the emissive area.
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公开(公告)号:US11194414B2
公开(公告)日:2021-12-07
申请号:US16922390
申请日:2020-07-07
Applicant: LG DISPLAY CO., LTD.
Inventor: HwiDeuk Lee , Yangsik Lee , YongChan Park , Sungsu Han
Abstract: Embodiments of the present disclosure relate to a touch display device, and more particularly, to a touch display device which can have a small bezel size even when touch routing lines connecting a touch sensor to a touch sensing circuit are disposed in a non-display area and which can improve touch sensitivity by preventing or minimizing the formation of parasitic capacitance that can be caused by the touch routing lines.
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公开(公告)号:US11048360B2
公开(公告)日:2021-06-29
申请号:US16140903
申请日:2018-09-25
Applicant: LG DISPLAY CO., LTD.
Inventor: HyungUk Jang , SeungSeok Oh , SangHyuck Bae , Sungsu Han , Suyun Ju , DoYoung Jung
IPC: G06F3/041 , G06F3/0354 , G06F3/038
Abstract: Disclosed are a touch display device, a touch circuit, a pen, a touch system, and a multi-pen sensing method for receiving downlink signals output from two or more pens through one or more touch electrodes on a panel and distinguishably sensing the two or more pens based on unique information of the received downlink signals.
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公开(公告)号:US10203802B2
公开(公告)日:2019-02-12
申请号:US15478613
申请日:2017-04-04
Applicant: LG DISPLAY CO., LTD.
Inventor: Sungsu Han , CheolSe Kim , SungChul Kim , Suyun Ju
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G02F1/1343
Abstract: A driver circuit, a touch display device, and a method of driving the touch display device. Touching force is sensed by driving a plurality of first electrodes disposed in a display panel and a second electrode located outside of the display panel. The first electrodes corresponding to force sensors for sensing the touching force and the second electrode are driven by alternating in-phase driving and antiphase driving. Touching force components are selectively and accurately extracted from sensing data, and the touching force can be accurately sensed.
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公开(公告)号:US09870075B2
公开(公告)日:2018-01-16
申请号:US14961203
申请日:2015-12-07
Applicant: LG DISPLAY CO., LTD.
Inventor: Sungsu Han , SungChul Kim , SangHyuck Bae , Suyun Ju , DoYoung Jung
IPC: G06F3/0354 , G06F3/038 , G06F3/041 , G06F3/044
CPC classification number: G06F3/0383 , G06F3/03545 , G06F3/038 , G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: Disclosed is a touch screen device for accurately detecting a touch by using a touch pen without having a separate sensor provided in a touch panel. The touch screen device includes a touch screen including a plurality of touch electrodes, a touch driving circuit applying a touch electrode driving signal to the plurality of touch electrodes, and a touch pen receiving the touch electrode driving signal applied to the plurality of touch electrodes and transmitting a pen output signal, synchronized with the received touch electrode driving signal, to the touch screen.
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