公开(公告)号：US20170192534A1

公开(公告)日：2017-07-06

申请号：US15384766

申请日：2016-12-20

Applicant: LG Display Co., Ltd.

Inventor： Sungsu HAN ,  Hyunguk JANG ,  Sungchul KIM ,  Sanghyuck BAE ,  Suyun JU ,  Doyoung JUNG

IPC: G06F3/038 ,  G06F3/041 ,  G06F3/0354 ,  G06F3/044

CPC classification number: G06F3/0383 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044

Abstract: An active stylus pen according to the present invention includes a first signal processor configured to generate a touch frame recognition signal for discriminating touch frames on the basis of sub-pulses corresponding to part of each touchscreen driving signal received from a touchscreen and a second signal processor configured to generate a pen driving signal synchronized with main pulses of each touchscreen driving signal other than the sub-pulses and to vary the pen driving signal in units of a touch frame according to the touch frame recognition signal such that additional pen information is reflected in the pen driving signal.

公开(公告)号：US20170068377A1

公开(公告)日：2017-03-09

申请号：US14985032

申请日：2015-12-30

Applicant: LG Display Co., Ltd.

Inventor： CheolSe KIM ,  BuYeol LEE ,  YongChan PARK ,  Suyun JU

IPC: G06F3/041 ,  G06F3/044

Abstract: The present disclosure provides an in-cell touch type display device including multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap exiting between the multiple first electrodes and the second electrode such that a capacitor is formed between the multiple first electrodes and the second electrode.

Abstract translation: 本发明提供了一种嵌入显示面板中的多个第一电极，位于显示面板外部的至少一个第二电极以及从多个第一电极和第二电极之间离开的触摸力感测间隙的单元内触摸型显示装置， 在多个第一电极和第二电极之间形成电容器。

公开(公告)号：US20170031465A1

公开(公告)日：2017-02-02

申请号：US15215769

申请日：2016-07-21

Applicant: LG Display Co., Ltd.

Inventor： Doyoung JUNG ,  Hyunguk JANG ,  Sungchul KIM ,  Sanghyuck BAE ,  Sungsu HAN ,  Suyun JU

IPC: G06F3/038 ,  G06F3/041 ,  G06F3/0354 ,  G06F3/044

CPC classification number: G06F3/0383 ,  G06F3/03545 ,  G06F3/044 ,  G06F2203/04108

Abstract: A touch sensing system comprises a touchscreen with a plurality of touch electrodes, to which a touchscreen driving signal is applied, and a stylus pen that generates a pen driving signal based on the touchscreen driving signal and sends the same to the touchscreen. The stylus pen comprises: an amplifier that amplifies the touchscreen driving signal to generate an amplified signal; a comparator that compares the amplified signal with a preset reference voltage to generate a comparator output signal; and a signal processor that measures the pulse width of the comparator output signal, adjusts an amount of delay based on a measurement, and determines an output timing of the pen driving signal based on an adjusted amount of delay to synchronize the pen driving signal with the touchscreen driving signal.

Abstract translation: 触摸感测系统包括具有多个触摸电极的触摸屏，其上施加有触摸屏驱动信号，以及触控笔，其基于触摸屏驱动信号产生笔驱动信号并将其发送到触摸屏。 触控笔包括：放大器，其放大触摸屏驱动信号以产生放大信号; 比较器，其将放大的信号与预置的参考电压进行比较，以产生比较器输出信号; 以及测量比较器输出信号的脉冲宽度的信号处理器，基于测量来调整延迟量，并且基于调整的延迟量来确定笔驱动信号的输出定时，以将笔驱动信号与 触摸屏驱动信号。

公开(公告)号：US20190102021A1

公开(公告)日：2019-04-04

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

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.

公开(公告)号：US20170068384A1

公开(公告)日：2017-03-09

申请号：US15258915

申请日：2016-09-07

Applicant: LG Display Co., Ltd.

Inventor： CheolSe KIM ,  BuYeol LEE ,  YongChan PARK ,  Suyun JU

IPC: G06F3/041 ,  G06F3/044

Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.

Abstract translation: 本实施例涉及触摸技术，更具体地，涉及一种触摸显示装置，其包括嵌入显示面板中的多个第一电极，位于显示面板外部的至少一个第二电极和存在于显示面板之间的触摸力感测间隙 多个第一电极和至少一个第二电极，其驱动方法和用于驱动多个第一电极和至少一个第二电极的驱动电路。 如上所述的本实施例使得不仅可以感测触摸位置，而且还可以感测用户在触摸期间按压屏幕的触摸力。

公开(公告)号：US20170060337A1

公开(公告)日：2017-03-02

申请号：US14984740

申请日：2015-12-30

Applicant: LG Display Co., Ltd.

Inventor： Sungchul KIM ,  Hyunguk JANG ,  Sanghyuck BAE ,  Sungsu HAN ,  Suyun JU ,  Doyoung JUNG ,  Kyungjin JANG ,  Yoonion HWANG

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/044

Abstract: A touch sensitive display device, a method for driving the same, and a driving circuit of the display device are disclosed. The touch sensitive display device comprises a display panel comprising a plurality of pixels and a plurality of touch sensors. Each touch sensor is connected to at least one respective pixel of the pixels, the display panel driven in a plurality of successive display frame periods and during each display frame period a respective frame of image data is driven to the pixels. A touch driving circuit drives touch driving signals to the touch sensors during a touch frame that begins in a first display frame period of the display frame periods and ends in a second display frame period of the display frame periods that immediately follows the first display frame period.

Abstract translation: 公开了一种触敏显示装置，其驱动方法和显示装置的驱动电路。 触敏显示装置包括包括多个像素和多个触摸传感器的显示面板。 每个触摸传感器连接到像素的至少一个相应像素，显示面板以多个连续的显示帧周期驱动，并且在每个显示帧周期期间，图像数据的相应帧被驱动到像素。 触摸驱动电路在从显示帧周期的第一显示帧周期开始的触摸帧期间将触摸驱动信号驱动到触摸传感器，并且在紧接着第一显示帧周期的显示帧周期的第二显示帧周期结束 。

公开(公告)号：US20170060278A1

公开(公告)日：2017-03-02

申请号：US15249113

申请日：2016-08-26

Applicant: LG Display Co., Ltd.

Inventor： Doyoung JUNG ,  Hyunguk JANG ,  Sungchul KIM ,  Sanghyuck BAE ,  Sungsu HAN ,  Suyun JU

IPC: G06F3/0354 ,  G06F3/0487 ,  G06F3/041

CPC classification number: G06F3/03545 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044

Abstract: An active stylus pen generates a pen driving signal synchronized with a touchscreen driving signal received from a touchscreen and outputs the pen driving signal to the touchscreen. The active stylus pen includes a pressure sensing unit for sensing pressure when touching the touchscreen to generate writing pressure information and a signal processor for modulating the pen driving signal in response to the signal level of the writing pressure information and outputs the modulated signal as a pen driving signal in which the writing pressure information has been reflected.

Abstract translation: 有源触控笔产生与从触摸屏接收的触摸屏驱动信号同步的笔驱动信号，并将笔驱动信号输出到触摸屏。 有源触笔包括用于在触摸触摸屏时感测压力以产生书写压力信息的压力感测单元和用于响应于写入压力信息的信号电平来调制笔驱动信号的信号处理器，并输出调制信号作为笔 写入压力信息已被反映的驱动信号。

公开(公告)号：US20160188005A1

公开(公告)日：2016-06-30

申请号：US14959337

申请日：2015-12-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Suyun JU ,  SungChul KIM ,  SangHyuck BAE ,  Sungsu HAN ,  DoYoung JUNG

IPC: G06F3/038 ,  G06F3/041 ,  G06F3/0354

Abstract: Disclosed is a touch screen device for transmitting button manipulation information based on a touch pen without using a separate wireless communication module. 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 to the touch screen in response to the received touch electrode driving signal. The touch pen includes at least one button, and when a user manipulates the at least one button, the touch pen adjusts the pen output signal.

Abstract translation: 公开了一种用于在不使用单独的无线通信模块的情况下基于触摸笔发送按钮操作信息的触摸屏设备。 触摸屏装置包括具有多个触摸电极的触摸屏，向多个触摸电极施加触摸电极驱动信号的触摸驱动电路，以及接收施加到多个触摸电极的触摸电极驱动信号的触摸笔，以及 响应于所接收的触摸电极驱动信号将笔输出信号发送到触摸屏。 触摸笔包括至少一个按钮，并且当用户操纵至少一个按钮时，触摸笔调节笔输出信号。