公开(公告)号：US20140118301A1

公开(公告)日：2014-05-01

申请号：US14067735

申请日：2013-10-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Jiho CHO ,  Dongjo PARK

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: A touch sensing system and a method of reducing latency thereof are discussed. The touch sensing system includes a touch sensing circuit configured to apply a driving signal to touch sensors, sense voltages of the touch sensors, and output a digital touch raw data; a coordinate calculator configured to analyze the digital touch raw data, and calculate a coordinate information about each of positions of a touch input; and an idle mode controller configured to compare an analog signal received from the touch sensors with a predetermined threshold value, decide whether or not the touch input is generated based on the analog signal, and generate an interrupt signal when the touch input is input.

Abstract translation: 讨论了一种触摸感测系统和一种减少其等待时间的方法。 触摸感测系统包括触摸感测电路，其被配置为将触摸传感器的驱动信号施加到触摸传感器的感测电压，并输出数字触摸原始数据; 配置为分析数字触摸原始数据并计算关于触摸输入的每个位置的坐标信息的坐标计算器; 以及空闲模式控制器，被配置为将从所述触摸传感器接收的模拟信号与预定阈值进行比较，基于所述模拟信号来判定是否生成所述触摸输入，并且在输入所述触摸输入时产生中断信号。

公开(公告)号：US20130162557A1

公开(公告)日：2013-06-27

申请号：US13691283

申请日：2012-11-30

Applicant: LG Display CO., Ltd.

Inventor： Jiho CHO

IPC: G06F3/01

CPC classification number: G06F3/01 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044

Abstract: A display device having touch sensors includes a display panel having a touch screen, a Tx driving circuit supplying a touch driving pulse to Tx electrode lines of the touch screen, an Rx driving circuit which samples voltages of the touch sensors received through Rx electrode lines of the touch screen due to the supply of the touch driving pulse and outputs touch raw data from the voltages of the touch sensors, and a touch controller which obtains a plurality of touch groups based on the touch raw data, sets a transmission format of an effective touch group, on which a touch operation is performed, among the plurality of touch groups to a variable touch coordinate packet, and transmits the variable touch coordinate packet to an external host system.

Abstract translation: 具有触摸传感器的显示装置包括具有触摸屏的显示面板，向触摸屏的Tx电极线提供触摸驱动脉冲的Tx驱动电路，对通过Rx电极线接收的触摸传感器的电压进行采样的Rx驱动电路， 由触摸驱动脉冲的供给引起的触摸屏，并且从触摸传感器的电压输出触摸原始数据，以及基于触摸原始数据获取多个触摸组的触摸控制器，设置有效的 触摸组，其中执行触摸操作，将多个触摸组中的触摸操作组合成可变触摸坐标分组，并将可变触摸坐标分组发送到外部主机系统。