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    • 56. 发明申请
    • TOUCH DETECTION SYSTEM AND DRIVING METHOD THEREOF
    • 触摸检测系统及其驱动方法
    • US20130154965A1
    • 2013-06-20
    • US13572575
    • 2012-08-10
    • Hee-Chul HwangDong-Won LeeJoo-Hyung Lee
    • Hee-Chul HwangDong-Won LeeJoo-Hyung Lee
    • G06F3/041
    • G06F3/044G06F3/0416
    • A touch sensing system for detecting at least one touch is provided. The touch sensing system includes a touch sensing unit having a plurality of touchable regions for outputting sensing signals of the at least one touch, an operating unit for determining difference values between the sensing signals and a baseline value, a group setting unit for grouping ones of the regions in which the difference values exist into one or more groups, and a threshold value determining unit for determining maximum difference values from the groups to determine first threshold values of the groups corresponding to the determined maximum difference values. The touch sensing system increases the correctness of the touch detection by adaptively changing the first threshold value in accordance with the touch strength. A method of driving the touch sensing system is also provided.
    • 提供了用于检测至少一个触摸的触摸感测系统。 触摸感测系统包括触摸感测单元,其具有用于输出至少一个触摸的感测信号的多个可触摸区域,用于确定感测信号与基线值之间的差值的操作单元,用于对感测信号进行分组的组设定单元 差分值存在于一个或多个组中的区域,以及阈值确定单元,用于确定来自组的最大差值,以确定与所确定的最大差值对应的组的第一阈值。 触摸感测系统通过根据触摸强度自适应地改变第一阈值来增加触摸检测的正确性。 还提供了一种驱动触摸感测系统的方法。
    • 57. 发明授权
    • Touch sensitive display device and driving apparatus and method thereof
    • 触感显示装置及驱动装置及其方法
    • US08228310B2
    • 2012-07-24
    • US12777645
    • 2010-05-11
    • Joo-Hyung LeeKee-Han UhJong-Woung Park
    • Joo-Hyung LeeKee-Han UhJong-Woung Park
    • G09G5/00
    • G06F3/044G06F1/3203G06F1/3262G06F3/0412Y02D50/20
    • A display device includes a display panel, a plurality of pixels formed on the display panel, a plurality of sensing units formed on the display panel and generating sensor output signals in response to a touch exerted on the display panel, a sensing signal processor receiving and processing an analog sensor data signal originated from the sensor output signals to generate a digital sensor data signal, a first touch-determination unit detecting whether a touch exists based on the digital sensor data signal for a plurality of frames, and operating in a power saving mode, and a second touch-determination unit detecting whether and where a touch exists based on the digital sensor data signal for the plurality of frames, and operating in a normal mode. The display device includes hardwired logic units for detecting the touch, it detects the touch using the hardwired logic units in the power saving mode and converts the operation mode to the normal mode when the touch is detected, thus reducing power consumption.
    • 显示装置包括显示面板,形成在显示面板上的多个像素,多个感测单元,形成在显示面板上,并且响应于施加在显示面板上的触摸而产生传感器输出信号;感测信号处理器接收和 处理源自传感器输出信号的模拟传感器数据信号,以生成数字传感器数据信号;第一触摸确定单元,基于多个帧的数字传感器数据信号检测是否存在触摸,并且以省电操作 模式,以及第二触摸确定单元,其基于所述多个帧的数字传感器数据信号来检测是否存在触摸和在哪里存在,并且以正常模式操作。 显示装置包括用于检测触摸的硬连线逻辑单元,其在省电模式下使用硬连线逻辑单元检测触摸,并且当检测到触摸时将操作模式转换为正常模式,从而降低功耗。