公开(公告)号：US20170060328A1

公开(公告)日：2017-03-02

申请号：US15253524

申请日：2016-08-31

Applicant: LG Display Co., Ltd.

Inventor： TaeHyung KIM ,  HongSung SONG ,  Jihye JUNG

IPC: G06F3/041 ,  G02F1/1333 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/044

Abstract: Disclosed is an in-cell touch type touch display device in which the number of touch lines is reduced to increase a transmittance, and the number of touch integrated circuits (ICs) is reduced to lower the manufacturing cost. The touch display device includes a touch display panel and a driving circuit unit. A plurality of touch sensors may be disposed in the touch display panel, and a plurality of subpixels including a common electrode may be provided between the plurality of touch sensors. The subpixels may be provided between the plurality of touch sensors which are adjacent to each other in a horizontal direction and a vertical direction. The driving circuit unit may include a touch driver, a touch sensing unit, and a power supply. The touch driver may supply a touch driving signal to the plurality of touch sensors.

Abstract translation: 公开了一种小型触摸式触摸显示装置，其中减少了触摸线的数量以增加透射率，并且减少了触摸集成电路（IC）的数量以降低制造成本。 触摸显示装置包括触摸显示面板和驱动电路单元。 多个触摸传感器可以设置在触摸显示面板中，并且可以在多个触摸传感器之间设置包括公共电极的多个子像素。 子像素可以设置在在水平方向和垂直方向上彼此相邻的多个触摸传感器之间。 驱动电路单元可以包括触摸驱动器，触摸感测单元和电源。 触摸驱动器可以向多个触摸传感器提供触摸驱动信号。

公开(公告)号：US20170090633A1

公开(公告)日：2017-03-30

申请号：US15273130

申请日：2016-09-22

Applicant: LG Display Co., Ltd.

Inventor： Soonho KWON ,  HongSung SONG ,  YongGi SON

IPC: G06F3/041 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G02F1/1343 ,  G02F1/1345 ,  G06F3/0416 ,  G06F3/044 ,  G09G3/3648 ,  G09G2354/00

Abstract: Disclosed is a display panel. The display panel includes a plurality of first electrodes, a plurality of second electrodes, a plurality of first electrode lines, and a plurality of second electrode lines. The first electrodes are provided in a display part and are used as a common electrode and a touch electrode. The second electrodes are used a common electrode and each second electrode is disposed adjacent to at least one of the first electrodes. The first electrode lines extend to a non-display part disposed outside the display part and are each connected to a corresponding one of the first electrodes. The second electrode lines extend to the non-display part and are connected to at least two of the second electrodes and supply a common voltage to the second electrodes connected to the second electrode lines.

公开(公告)号：US20170031523A1

公开(公告)日：2017-02-02

申请号：US15223584

申请日：2016-07-29

Applicant: LG DISPLAY CO., LTD.

Inventor： ByungHyun SEO ,  HongSung SONG ,  Hui KIM

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04104

Abstract: Disclosed is an in-cell touch type touch display device and a method of driving the same, which prevent an error of a touch operation from being caused by the delay of a touch report occurring in a large-screen touch display device. The touch display device includes a touch panel, including a plurality of touch sensors, and a driving circuit unit. The driving circuit unit may include a plurality of source/touch driving ICs and a touch IC. The plurality of source/touch driving ICs may supply a touch driving signal to the plurality of touch sensors. The touch IC may perform a touch operation based on touch reports received from the plurality of source/touch driving ICs.

Abstract translation: 公开了一种嵌入式触摸式触摸显示装置及其驱动方法，其防止由于在大屏幕触摸显示装置中发生的触摸报告的延迟而导致触摸操作的错误。 触摸显示装置包括具有多个触摸传感器的触摸面板和驱动电路单元。 驱动电路单元可以包括多个源/触摸驱动IC和触摸IC。 多个源/触摸驱动IC可以向多个触摸传感器提供触摸驱动信号。 触摸IC可以基于从多个源/触摸驱动IC接收的触摸报告来执行触摸操作。

公开(公告)号：US20190095022A1

公开(公告)日：2019-03-28

申请号：US16203150

申请日：2018-11-28

Applicant: LG Display Co., Ltd.

Inventor： Soonho KWON ,  HongSung SONG ,  YongGi SON

IPC: G06F3/041 ,  G09G3/36 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/1345

CPC classification number: G06F3/0412 ,  G02F1/1343 ,  G02F1/1345 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/0443 ,  G09G3/3648 ,  G09G2354/00

Abstract: Disclosed is a display panel. The display panel includes a plurality of first electrodes, a plurality of second electrodes, a plurality of first electrode lines, and a plurality of second electrode lines. The first electrodes are provided in a display part and are used as a common electrode and a touch electrode. The second electrodes are used as the common electrode and each second electrode is disposed adjacent to at least one of the first electrodes. The first electrode lines extend to a non-display part disposed outside the display part and are each connected to a corresponding one of the first electrodes. The second electrode lines extend to the non-display part and are connected to at least two of the second electrodes and supply a common voltage to the second electrodes connected to the second electrode lines.

公开(公告)号：US20170090624A1

公开(公告)日：2017-03-30

申请号：US15280900

申请日：2016-09-29

Applicant: LG Display Co., Ltd.

Inventor： Soonho KWON ,  HongSung SONG

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F1/3262 ,  G06F1/3296 ,  G06F3/0412 ,  G06F3/0416 ,  Y02D10/172 ,  Y02D10/173

Abstract: Disclosed are a touch driving device, a driving method thereof, and a display device including the same, which reduce power consumption. A touch driving device comprises a first circuit configured to generate a touch driving signal including a plurality of pulses with varying amplitudes or varying periods, responsive to detection of presence or absence of a touch on the touch sensitive display panel during a touch sensing period, and a second circuit configured to apply the touch driving signal to a touch electrode of the touch sensitive display panel during the touch sensing period.

公开(公告)号：US20140028535A1

公开(公告)日：2014-01-30

申请号：US13729251

申请日：2012-12-28

Applicant: LG DISPLAY CO., LTD.

Inventor： WoongKi MIN ,  HongSung SONG ,  YoonSan Park ,  SangJun LEE ,  SungGon PARK

IPC: G09G3/18

CPC classification number: G09G3/18 ,  G09G3/3655 ,  G09G2300/0426 ,  G09G2320/0209 ,  G09G2320/0223

Abstract: A liquid crystal display device may include: a liquid crystal display panel comprising a first and a second common voltage supply line formed in a first direction at both side ends of the substrate, and at least one feedback line formed in the first direction and connected to the first common voltage supply line and/or the second common voltage supply line; and at least one common voltage compensating circuit, an output terminal of which is connected to the first and the second common voltage supply lines, and an input terminal of which is connected to the feedback line.

Abstract translation: 液晶显示装置可以包括：液晶显示面板，包括在基板的两个侧端沿第一方向形成的第一和第二公共电压供给线，以及形成在第一方向上的至少一个反馈线，并连接到 第一公共电压供应线和/或第二公共电压供应线; 以及至少一个公共电压补偿电路，其输出端连接到第一和第二公共电压供应线，其输入端连接到反馈线。