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    • 5. 发明授权
    • Method and device for detecting touch input
    • 检测触摸输入的方法和装置
    • US09323360B2
    • 2016-04-26
    • US13391288
    • 2010-08-20
    • Sung Ho Lee
    • Sung Ho Lee
    • G06F3/041G06F3/0488G02F1/1333
    • G06F3/041G02F1/13338G06F3/04883G06F2203/04104G06F2203/04806G06F2203/04808
    • Provided is a touch input detection method that detects a contact or approach of a touch input means (90) such as a finger of a human body, an electric conductor or a touch pen on a touch panel (10) and produces an input signal. The touch input detection method includes the steps of: (a) detecting a first touch input; (b) calculating an area where the first touch input has been detected; (c) detecting a second touch input that occurs at a predetermined time interval after occurrence of the first touch input; (d) calculating an area where the second touch input has been detected; and (e) judging a change in the areas from the first touch input to the second touch input to thus produce a zooming signal. Accordingly, a zooming signal is produced according to a change in an area of a touch input, to thus implement a zoom gesture very simply, to also realize the zoom gesture with only one finger, and to thereby achieve a touch input operation compactly.
    • 提供了一种触摸输入检测方法,其检测触摸面板(10)上的诸如人体的手指,电导体或触摸笔的触摸输入装置(90)的接触或接近并产生输入信号。 触摸输入检测方法包括以下步骤:(a)检测第一触摸输入; (b)计算检测到第一触摸输入的区域; (c)检测在第一触摸输入发生之后以预定时间间隔发生的第二触摸输入; (d)计算检测到第二触摸输入的区域; 以及(e)判断从第一触摸输入到第二触摸输入的区域的变化,从而产生变焦信号。 因此,根据触摸输入区域的变化产生变焦信号,从而非常简单地实现变焦手势,也可以仅用一根手指实现变焦手势,从而紧凑地实现触摸输入操作。
    • 6. 发明申请
    • TOUCH DETECTION DEVICE, TOUCH DETECTION METHOD AND TOUCH SCREEN PANEL, USING DRIVING BACK PHENOMENON, AND DISPLAY DEVICE WITH BUILT-IN TOUCH SCREEN PANEL
    • US20150338963A1
    • 2015-11-26
    • US14801050
    • 2015-07-16
    • Sung Ho LEE
    • Sung Ho LEE
    • G06F3/044G06F3/0354G06F3/041
    • G06F3/044G06F3/03545G06F3/0416G06F2203/04104G09G3/3655G09G3/3696G09G2310/08
    • Provided is a touch detection device, touch detection method, and touch screen panel, which detects a touch signal by detecting a driving back phenomenon occurring in a touch pad by a driving voltage applied to a driving capacitor, and a display device with a built-in touch screen panel. The touch detection device that is added on top of a display device and detects occurrence of a touch capacitance (Ct) by an approach of a bodily finger (25) or a touch input instrument such as a conductor similar to the bodily finger, the touch detection device comprising: a touch pad (10) that forms the touch capacitance (Ct) between the touch input instrument and the touch pad; a driving capacitor (Cdrv) whose one side is connected to the touch pad (10) and to the other side of which a driving voltage for detection of a touch input is applied; a common voltage detector that detects a common voltage generated from the display device; a driving voltage generator that generates the driving voltage in synchronization with the common voltage; and a touch detector that is connected to the touch pad (10), and that detects a touch signal by using a driving back phenomenon when the touch capacitance (Ct) is added to the driving capacitor (Cdrv) according to occurrence or non-occurrence of a touch in the touch input instrument. A touch signal is detected while avoiding a point in time of a change of a common voltage state, and a driving voltage is applied through a driving capacitor connected to a touch detector, to thus detect whether or not a driving back phenomenon occurs in the touch detector and to thereby acquire a touch signal. Accordingly, an influence due to parasitic capacitance generated by noise, coupling phenomenon or other factors is minimized, to thus acquire a touch signal stably.
    • 9. 发明授权
    • Display device having a built-in touch input means
    • 具有内置触摸输入装置的显示装置
    • US09128556B2
    • 2015-09-08
    • US13383519
    • 2010-07-13
    • Sung Ho Lee
    • Sung Ho Lee
    • G06F3/041G06F3/044G02F1/1333
    • G06F3/0412G02F1/13338G06F3/0416G06F3/044G06F2203/04104
    • This disclosure provides a display device having a built-in touch input unit, the display device including: a lower substrate; an upper substrate; a plurality of first signal lines and second signal lines; touch cells that are formed in a plurality of areas, respectively including a conductive pad that forms an electrostatic capacity between a touch input means and the conductive pad when the touch input means approaches to the conductive pad within a predetermined distance (d) in each divided area, and at least a 3-terminal type switching element whose gate electrode is connected to the conductive pad; and a touch position detector that transmits and receives position detection signals to and from the first signal lines and the second signal lines, and detects whether output signals of the switching element are changed by capacitance that is formed between the touch input means and the conductive pad.
    • 本公开提供了具有内置触摸输入单元的显示装置,所述显示装置包括:下基板; 上基板; 多个第一信号线和第二信号线; 触摸单元,其形成在多个区域中,分别包括当触摸输入装置在每个分割的预定距离(d)内接近导电焊盘时在触摸输入装置和导电焊盘之间形成静电电容的导电焊盘 以及至少一个其栅电极连接到导电焊盘的3端开关元件; 以及触摸位置检测器,其向第一信号线和第二信号线发送和接收位置检测信号,并且通过形成在触摸输入装置和导电焊盘之间的电容来检测开关元件的输出信号是否改变 。