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公开(公告)号：US12189898B2
公开(公告)日：2025-01-07
申请号：US18384590
申请日：2023-10-27
Applicant: LG DISPLAY CO., LTD.
Inventor： Young Joon Lee , Sang Hyuck Bae
IPC: G06F3/041 , G06F3/0354 , G06F3/044
Abstract: A touch sensing system may include, for example, pixels for displaying an input image, data lines, touch electrodes, a timing controller for dividing one frame into a display driving period for displaying the input image and a touch driving period for driving the touch electrodes, a stylus pen for receiving a pen uplink signal during the touch driving period and outputting a pen downlink signal, and a touch sensing circuit for causing the pen uplink signal to be radiated to the stylus pen from the data lines during the touch driving period and for sensing voltages of the touch electrodes based on the pen downlink signal. In another example, a touch sensing system may supply the pen uplink signal, which is to be radiated to the stylus pen, using touch electrodes and reference voltage lines during the touch driving period. Methods of driving a touch sensing system are also disclosed.
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2.发明授权公开(公告)号：US09348476B2
公开(公告)日：2016-05-24
申请号：US14508062
申请日：2014-10-07
Applicant: LG Display Co., Ltd.
Inventor： Young Joon Lee
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416 , G09G3/20 , G09G3/3655 , G09G2300/08 , G09G2310/066 , G09G2330/025 , G09G2330/06
Abstract: A display device with integrated touch screen is provided. The display device includes a panel configured to include a plurality of driving electrodes and a plurality of sensing electrodes and a display driver IC configured to apply a common voltage to the plurality of driving electrodes and the plurality of sensing electrodes when the panel operates in a display driving mode, and when the panel operates in a touch driving mode, generate a pulse-modulated driving pulse according to a timing pulse and a pulse modulation control signal to apply the pulse-modulated driving pulse to the plurality of driving electrodes, and respectively receive a plurality of sensing signals from the plurality of sensing electrodes.
Abstract translation: 提供具有集成触摸屏的显示设备。 显示装置包括：面板，被配置为包括多个驱动电极和多个感测电极;以及显示驱动器IC，其被配置为当面板在显示器中操作时向多个驱动电极和多个感测电极施加公共电压 驱动模式，并且当面板在触摸驱动模式下操作时，根据定时脉冲和脉冲调制控制信号生成脉冲调制驱动脉冲，以将脉冲调制驱动脉冲施加到多个驱动电极，并分别接收 来自多个感测电极的多个感测信号。
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3.发明申请公开(公告)号：US20150179133A1
公开(公告)日：2015-06-25
申请号：US14508062
申请日：2014-10-07
Applicant: LG Display Co., Ltd.
Inventor： Young Joon Lee
CPC classification number: G06F3/044 , G06F3/0412 , G06F3/0416 , G09G3/20 , G09G3/3655 , G09G2300/08 , G09G2310/066 , G09G2330/025 , G09G2330/06
Abstract: A display device with integrated touch screen is provided. The display device includes a panel configured to include a plurality of driving electrodes and a plurality of sensing electrodes and a display driver IC configured to apply a common voltage to the plurality of driving electrodes and the plurality of sensing electrodes when the panel operates in a display driving mode, and when the panel operates in a touch driving mode, generate a pulse-modulated driving pulse according to a timing pulse and a pulse modulation control signal to apply the pulse-modulated driving pulse to the plurality of driving electrodes, and respectively receive a plurality of sensing signals from the plurality of sensing electrodes.
Abstract translation: 提供具有集成触摸屏的显示设备。 显示装置包括：面板，被配置为包括多个驱动电极和多个感测电极;以及显示驱动器IC，其被配置为当面板在显示器中操作时向多个驱动电极和多个感测电极施加公共电压 驱动模式，并且当面板在触摸驱动模式下操作时，根据定时脉冲和脉冲调制控制信号生成脉冲调制驱动脉冲，以将脉冲调制驱动脉冲施加到多个驱动电极，并分别接收 来自多个感测电极的多个感测信号。
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公开(公告)号：US08952913B2
公开(公告)日：2015-02-10
申请号：US13709268
申请日：2012-12-10
Applicant: LG Display Co., Ltd.
Inventor： Young Joon Lee , Sang Soo Hwang , Sun Yeop Kim , Sung Yub Lee
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: Disclosed is a display device. The display device includes a panel, a display driver IC, and a touch IC. The panel includes a plurality of driving electrodes and a plurality of sensing electrodes. The display driver IC outputs a common voltage to the driving electrode and the sensing electrode in a display driving interval, outputs a reference voltage to the driving electrode during a touch non-sensing period in a touch driving interval, and outputs a driving pulse to the driving electrode to receive a sensing signal from the sensing electrode during a touch sensing period in the touch driving interval. The touch IC transfers a control signal and a selection signal for selecting the touch sensing period and the touch non-sensing period to the display driver, and senses whether there is a touch with the sensing signal and the reference voltage.
Abstract translation: 公开了一种显示装置。 显示装置包括面板，显示驱动器IC和触摸IC。 面板包括多个驱动电极和多个感测电极。 显示驱动器IC在显示驱动间隔中向驱动电极和感测电极输出公共电压，在触摸驱动间隔期间的触摸非感测时段期间向驱动电极输出参考电压，并将驱动脉冲输出到 驱动电极，以在触摸驱动间隔期间的触摸感测周期期间从感测电极接收感测信号。 触摸IC将用于选择触摸感测周期和触摸非感测时段的控制信号和选择信号传送到显示驱动器，并且感测是否存在与感测信号和参考电压的触摸。
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公开(公告)号：US20130335343A1
公开(公告)日：2013-12-19
申请号：US13676333
申请日：2012-11-14
Applicant: LG DISPLAY CO., LTD.
Inventor： Young Joon Lee , Sun Yeop Kim , Sung Yub Lee
IPC: G06F3/01
CPC classification number: G06F3/01 , G06F3/0412
Abstract: A display device with integrated touch screen is provided. The display device may include a panel, a display driver IC, and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The display driver IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the display driver IC may apply a common voltage to the driving electrodes and sensing electrodes. The touch IC may generate the driving pulse and apply the driving pulse to the display driver IC, and may receive the sensing signals from the display driver IC to determine whether there is a touch. The touch IC may include a sensing unit sensing whether there is a touch.
Abstract translation: 提供具有集成触摸屏的显示设备。 显示装置可以包括面板，显示驱动器IC和触摸IC。 面板可以包括多个驱动电极和感测电极。 当面板以触摸驱动模式操作时，显示驱动器IC可以向驱动电极施加驱动脉冲并从感测电极接收多个感测信号，并且当面板以显示驱动模式操作时，显示驱动器IC 可以向驱动电极和感测电极施加公共电压。 触摸IC可以产生驱动脉冲并将驱动脉冲施加到显示驱动器IC，并且可以从显示驱动器IC接收感测信号以确定是否存在触摸。 触摸IC可以包括检测是否存在触摸的感测单元。
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Patent Agency Ranking
公开(公告)号：US10074338B2
公开(公告)日：2018-09-11
申请号：US14495552
申请日：2014-09-24
Applicant: LG Display Co., Ltd.
Inventor： Young Joon Lee
CPC classification number: G09G5/006 , G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: Disclosed is a display device with an integrated touch screen. The display device includes a panel including a plurality of driving electrodes and a plurality of sensing electrodes and a display driver IC configured to apply a common voltage to the plurality of driving electrodes and the plurality of sensing electrodes during a display driving mode. The display driver IC is configured to apply a driving pulse to the plurality of driving electrodes during the touch driving mode of the panel and receive one or more sensing signals from the plurality of sensing electrodes responsive to a touch of the integrated touch screen during the touch driving mode. The display driver IC is configured to adjust a magnitude of the driving pulse from a first level to a second level and subsequently from the second level to a third level during the touch driving mode of the panel.
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公开(公告)号：US09606658B2
公开(公告)日：2017-03-28
申请号：US14496907
申请日：2014-09-25
Applicant: LG Display Co., Ltd.
Inventor： Sun Yeop Kim , Jae Sung Yu , Young Joon Lee , Nam Hun Oh
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044
Abstract: Disclosed is a display device with an integrated touch screen. The display device includes a panel configured to operate in a display driving mode and a touch driving mode, the panel including a plurality of driving electrodes, a plurality of sensing electrodes, and a plurality of data lines including a plurality of first data lines and a plurality of second data lines; and a display driver integrated circuit (IC) configured to apply data voltages to the plurality of first data lines and the plurality of second data lines during the display driving mode of the panel, and the display driver IC configured to apply a ground voltage to the plurality of first data lines and float the plurality of second data lines during the touch driving mode of the panel.
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公开(公告)号：US09542026B2
公开(公告)日：2017-01-10
申请号：US14509838
申请日：2014-10-08
Applicant: LG Display Co., Ltd.
Inventor： Young Joon Lee
CPC classification number: G06F3/0412 , G06F3/0416 , G09G3/2092 , G09G3/3648 , G09G3/3688 , G09G2300/0426 , G09G2310/0297 , G09G2320/0223 , G09G2354/00
Abstract: Disclosed is a display device. The display device includes a panel into which a touch panel including a plurality of driving electrodes and a plurality of receiving electrodes is built, a touch sensing unit configured to supply a plurality of sensing pulses to the plurality of driving electrodes during a touch sensing period, a driver configured to drive the panel to allow the panel to display an image during an image display period, and a data line controller configured to connect a plurality of data lines to ground in a sensing pulse non-output period where the plurality of the sensing pulses are not supplied to the plurality of driving electrodes during the touch sensing period.
Abstract translation: 公开了一种显示装置。 显示装置包括：面板，构成包括多个驱动电极和多个接收电极的触摸面板;触摸感测单元，被配置为在触摸感测期间向多个驱动电极提供多个感测脉冲; 配置为驱动面板以允许面板在图像显示周期期间显示图像的驱动器，以及数据线控制器，被配置为在感测脉冲非输出时段中将多条数据线连接到地，其中多个感测 在触摸感测期间，不向多个驱动电极提供脉冲。
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9.发明授权公开(公告)号：US09423907B2
公开(公告)日：2016-08-23
申请号：US14025419
申请日：2013-09-12
Applicant: LG DISPLAY CO., LTD.
Inventor： Young Joon Lee , Sun Yeop Kim , Sung Yub Lee
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: Discussed is a display device with integrated touch screen and a method of driving the same. The display device includes a panel including a plurality of driving electrodes and a plurality of sensing electrodes, a touch IC, and a display driver IC. The touch IC generates a first driving pulse, and determines whether there is a touch using a plurality of sensing signals generated by the sensing electrodes. When the panel operates a touch driving mode, the display driver IC generates a second driving pulse with the first driving pulse to apply the second driving pulse to the driving electrodes and receives the sensing signals from the respective sensing electrodes to transfer the sensing signals to the touch IC.
Abstract translation: 讨论的是具有集成触摸屏的显示装置及其驱动方法。 显示装置包括包括多个驱动电极和多个感测电极的面板，触摸IC和显示驱动器IC。 触摸IC产生第一驱动脉冲，并且使用由感测电极产生的多个感测信号来确定是否存在触摸。 当面板操作触摸驱动模式时，显示驱动器IC利用第一驱动脉冲产生第二驱动脉冲，以将第二驱动脉冲施加到驱动电极，并从各个感测电极接收感测信号，以将感测信号传送到 触摸IC。
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公开(公告)号：US09329674B2
公开(公告)日：2016-05-03
申请号：US13676333
申请日：2012-11-14
Applicant: LG Display Co., Ltd.
Inventor： Young Joon Lee , Sun Yeop Kim , Sung Yub Lee
CPC classification number: G06F3/01 , G06F3/0412
Abstract: A display device with integrated touch screen is provided. The display device may include a panel, a display driver IC, and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The display driver IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the display driver IC may apply a common voltage to the driving electrodes and sensing electrodes. The touch IC may generate the driving pulse and apply the driving pulse to the display driver IC, and may receive the sensing signals from the display driver IC to determine whether there is a touch. The touch IC may include a sensing unit sensing whether there is a touch.
Abstract translation: 提供具有集成触摸屏的显示设备。 显示装置可以包括面板，显示驱动器IC和触摸IC。 面板可以包括多个驱动电极和感测电极。 当面板以触摸驱动模式操作时，显示驱动器IC可以向驱动电极施加驱动脉冲并从感测电极接收多个感测信号，并且当面板以显示驱动模式操作时，显示驱动器IC 可以向驱动电极和感测电极施加公共电压。 触摸IC可以产生驱动脉冲并将驱动脉冲施加到显示驱动器IC，并且可以从显示驱动器IC接收感测信号以确定是否存在触摸。 触摸IC可以包括检测是否存在触摸的感测单元。
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