公开(公告)号：US20140043281A1

公开(公告)日：2014-02-13

申请号：US13686919

申请日：2012-11-28

Applicant: LG DISPLAY CO., LTD.

Inventor： HongChul Kim ,  CheolSe Kim ,  InHyuk Song

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0418 ,  G09G3/20 ,  G09G2354/00 ,  G09G2360/16

Abstract: Provided are a display device with integrated touch screen and a method of driving the same that reduce a touch error due to the switch of an image and thus enhance touch sensing performance. The display device includes a display panel, a driver IC, and a touch IC. The driver IC respectively supplies a plurality of data voltages, corresponding to frame-unit image data, to a plurality of pixels formed in the display panel, and calculates average luminance of a plurality of touch blocks. Each of the touch blocks includes a certain number of pixels. The touch IC supplies a touch driving signal to each of the touch blocks, compensates for a capacitive change in the pixels due to switch of an image, and senses a touch.

Abstract translation: 提供了具有集成触摸屏的显示装置及其驱动方法，其减少由于图像的切换引起的触摸错误，从而增强了触摸感测性能。 显示装置包括显示面板，驱动器IC和触摸IC。 驱动器IC分别将对应于帧单位图像数据的多个数据电压提供给形成在显示面板中的多个像素，并且计算多个触摸块的平均亮度。 每个触摸块包括一定数量的像素。 触摸IC为每个触摸块提供触摸驱动信号，补偿由于图像的切换引起的像素中的电容变化，并且感测触摸。

公开(公告)号：US10209819B2

公开(公告)日：2019-02-19

申请号：US15394692

申请日：2016-12-29

Applicant: LG Display Co., Ltd.

Inventor： Junghan Lee ,  InHyuk Song ,  Sungho Kim

IPC: G06F3/041 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1339 ,  G02F1/1362 ,  G06F3/044

Abstract: An electronic device comprises a display module including a plurality of touch electrodes, a cover window covering a front surface of the display module, a housing including an electrically conductive housing plate disposed below a rear surface of the display module and a housing side wall surrounding at least a portion of a side surface of the display module or supporting the display module, and a driving circuit sensing variation in capacitance between one or more of the touch electrodes and the housing plate, caused by a change in distance between said one or more of the touch electrodes and the housing plate.

公开(公告)号：US09285933B2

公开(公告)日：2016-03-15

申请号：US13686919

申请日：2012-11-28

Applicant: LG Display Co., Ltd.

Inventor： HongChul Kim ,  CheolSe Kim ,  InHyuk Song

IPC: G06F3/045 ,  G06F3/044 ,  G09G3/20 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0418 ,  G09G3/20 ,  G09G2354/00 ,  G09G2360/16

Abstract: Provided are a display device with integrated touch screen and a method of driving the same that reduce a touch error due to the switch of an image and thus enhance touch sensing performance. The display device includes a display panel, a driver IC, and a touch IC. The driver IC respectively supplies a plurality of data voltages, corresponding to frame-unit image data, to a plurality of pixels formed in the display panel, and calculates average luminance of a plurality of touch blocks. Each of the touch blocks includes a certain number of pixels. The touch IC supplies a touch driving signal to each of the touch blocks, compensates for a capacitive change in the pixels due to switch of an image, and senses a touch.

Abstract translation: 提供了具有集成触摸屏的显示装置及其驱动方法，其减少由于图像的切换引起的触摸错误，从而增强了触摸感测性能。 显示装置包括显示面板，驱动器IC和触摸IC。 驱动器IC分别将对应于帧单位图像数据的多个数据电压提供给形成在显示面板中的多个像素，并且计算多个触摸块的平均亮度。 每个触摸块包括一定数量的像素。 触摸IC为每个触摸块提供触摸驱动信号，补偿由于图像的切换引起的像素中的电容变化，并且感测触摸。

公开(公告)号：US20130162570A1

公开(公告)日：2013-06-27

申请号：US13722366

申请日：2012-12-20

Applicant: LG DISPLAY CO., LTD.

Inventor： HeeSun Shin ,  SeokWoo Lee ,  JaeSung Yu ,  JuHan Kim ,  SanJung Lee ,  InHyuk Song

IPC: G06F3/041

CPC classification number: G02F1/13338 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/134372 ,  G02F2001/136295 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103

Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

Abstract translation: 公开了一种LCD装置，其通过使用用于形成电场的公共电极来驱动液晶作为感测电极，并且从液晶面板的上表面去除触摸屏，实现了减小的厚度，简化的处理和降低的成本， 所述LCD装置包括彼此相交的栅极和数据线，以在下基板上限定多个像素; 在所述多个像素中的每一个中的像素电极; 在与像素电极不同的层处图案化的多个公共电极块，其中公共电极块与像素电极一起形成电场并感测用户的触摸; 以及与公共电极块电连接的多个感测线，其中，如果感测线与公共电极块之一电连接，则感测线与剩余的公共电极块绝缘。