CN103455195A - Touch screen device - Google Patents

Touch screen device Download PDF

Info

Publication number
CN103455195A
CN103455195A CN2013101272526A CN201310127252A CN103455195A CN 103455195 A CN103455195 A CN 103455195A CN 2013101272526 A CN2013101272526 A CN 2013101272526A CN 201310127252 A CN201310127252 A CN 201310127252A CN 103455195 A CN103455195 A CN 103455195A
Authority
CN
China
Prior art keywords
conductor
several
driving
conductors
sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013101272526A
Other languages
Chinese (zh)
Inventor
叶映志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silicon Integrated Systems Corp
Original Assignee
Silicon Integrated Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/450,438 external-priority patent/US20130016051A1/en
Application filed by Silicon Integrated Systems Corp filed Critical Silicon Integrated Systems Corp
Publication of CN103455195A publication Critical patent/CN103455195A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Position Input By Displaying (AREA)

Abstract

The invention discloses a touch screen device which comprises a touch screen and a plurality of controllers. The touch screen comprises four areas. Each region comprises a plurality of driving conductors extending towards a first direction and a plurality of sensing conductors extending towards a second direction, wherein the first direction is perpendicular to the second direction. Each controller is responsible for controlling one area. Because the length of each driving conductor and each sensing conductor is half of that of the traditional driving conductor and sensing conductor, each controller controls a quarter of the area of the touch screen. The touch screen device can be properly controlled without using a controller with higher detection sensitivity and production cost.

Description

触控屏幕装置touch screen device

技术领域technical field

本发明涉及一种触控屏幕装置,尤指一种可减少负载的大尺寸触控屏幕的触控屏幕装置。The invention relates to a touch screen device, in particular to a touch screen device with a large-size touch screen that can reduce load.

背景技术Background technique

先进显示器已逐渐成为消费性电子产品的主流。用户可直接触控的触控屏幕显示设备因为具有便携性及便利性,已被广泛用于电视机、智能型手机或其他电子产品。Advanced displays have gradually become mainstream in consumer electronics. A touch screen display device that can be directly touched by a user has been widely used in televisions, smart phones or other electronic products due to its portability and convenience.

为增加便携性和便利性,可供用户直接触控的触控屏幕已成为市场发展的重点。智能型手机的液晶显示器通常带有触控屏幕,以省略按键和功能键。该触控屏幕通过电子信号,控制液晶显示器的图像显示和功能。用户触摸触控屏幕的表面后,即产生电子信号。In order to increase portability and convenience, touch screens that can be directly touched by users have become the focus of market development. The LCD display of a smartphone is usually with a touch screen to omit keys and function keys. The touch screen controls the image display and functions of the liquid crystal display through electronic signals. When a user touches the surface of a touchscreen, an electrical signal is generated.

请参阅图1,图1是一装有传统触控屏幕11的触控屏幕装置10的示意图。触控屏幕装置10的触控屏幕11包含一感应阵列12。当一手指或笔尖触碰该面板时,感应阵列12可侦测触碰位置及力度。当该手指触碰该屏幕时,感应阵列12的电阻器或电容器会产生各种电阻或电容值。例如,当手指触压触控屏幕11之表面,因为触控屏幕11用弹性材料制成,因此上电极与下电极的距离会缩短,所以可造成上电极与下电极间的电阻改变。或者,因为人体会导电,当手指触压触控屏幕11的表面时,会影响上电极与下电极间的电容器或改变上电极与下电极间的电容值。是故,当手指触摸该面板时,可经由侦测该触碰位置以及力度,测量出电阻或电容的变动。Please refer to FIG. 1 . FIG. 1 is a schematic diagram of a touch screen device 10 equipped with a conventional touch screen 11 . The touch screen 11 of the touch screen device 10 includes a sensing array 12 . When a finger or a pen tip touches the panel, the sensor array 12 can detect the touch position and strength. When the finger touches the screen, the resistors or capacitors of the sensing array 12 will generate various resistance or capacitance values. For example, when a finger touches the surface of the touch screen 11 , since the touch screen 11 is made of elastic material, the distance between the upper electrode and the lower electrode will be shortened, so the resistance between the upper electrode and the lower electrode will change. Or, because the human body conducts electricity, when the finger touches the surface of the touch screen 11 , it will affect the capacitor between the upper electrode and the lower electrode or change the capacitance value between the upper electrode and the lower electrode. Therefore, when a finger touches the panel, the change of resistance or capacitance can be measured by detecting the touch position and force.

感应阵列12是由互相交叉的一组X方向的导体与一组Y方向的导体,或者环绕在极坐标的独立导体组成。X方向导体与Y方向导体的每一交会点可以作为一电阻器或电容器。一控制器14经由多工器16输出一驱动信号以控制一行的导体,而且每列交会点的感应信号会再经由一多工器18传送回控制器14。因此,可藉由侦测出的感应信号的变化得到所施加外力的触摸位置及力度。The sensing array 12 is composed of a set of conductors in the X direction and a set of conductors in the Y direction that cross each other, or independent conductors that surround each other in polar coordinates. Each intersection point of the X-direction conductor and the Y-direction conductor can be used as a resistor or a capacitor. A controller 14 outputs a driving signal through a multiplexer 16 to control a row of conductors, and the sensing signal at the crossing point of each row is sent back to the controller 14 through a multiplexer 18 . Therefore, the touch position and strength of the applied external force can be obtained through the detected change of the sensing signal.

在用户手指触压触控屏幕11表面上的一点之前,该X方向与Y方面的独立导体有相同的电位。此时,仍不会有电流通过触控屏幕11。一旦用户手指触摸触控屏幕11时,用户的身体就会产生微量电流,导致临近该触碰点的数个节点产生电容变化。控制器14会经由侦测触控屏幕11电容值与该数个交会点电容值的比例变化,判定该触碰交会点位置。控制器14在一固定时间段内,会计算充电时间的次数以及每一交会点的电容值。如次数越多,每一交会点的电容值就越大。因此,该接触交会点的位置便可根据该次数以及每一交会点的电容值而得出。Before the user's finger touches a point on the surface of the touch screen 11 , the independent conductors in the X direction and the Y direction have the same potential. At this time, no current will pass through the touch screen 11 . Once the user's finger touches the touch screen 11 , the user's body will generate a small amount of current, resulting in capacitance changes at several nodes adjacent to the touch point. The controller 14 determines the position of the touch intersection point by detecting the ratio change between the capacitance value of the touch screen 11 and the capacitance values of the plurality of intersection points. The controller 14 calculates the number of charging times and the capacitance value of each intersection point within a fixed period of time. For example, the greater the number of times, the greater the capacitance value of each intersection point. Therefore, the position of the contact intersection point can be obtained according to the number of times and the capacitance value of each intersection point.

然而,每一交会点的电容值的变化并不明显,所以触控屏幕11电容值与该数个交会点电容值的比例变化也不明显。如此一来,控制器14必须具有更高灵敏度。因为整个触控屏幕11的电容值与触控屏幕11的面积成正比,所以当要使用大尺寸触控屏幕11时,控制器14就需要更高灵敏度以测出该感应信号的变化。如此一来,势必增加控制器14的生产成本及设计复杂度。However, the change of the capacitance value of each intersection point is not obvious, so the ratio change of the capacitance value of the touch screen 11 to the capacitance values of the several intersection points is not obvious. Therefore, the controller 14 must have higher sensitivity. Since the capacitance of the entire touch screen 11 is proportional to the area of the touch screen 11 , when a large-size touch screen 11 is used, the controller 14 needs higher sensitivity to detect the change of the sensing signal. As a result, the production cost and design complexity of the controller 14 are bound to be increased.

发明内容Contents of the invention

因此,本发明的目的是提供一无需使用高灵敏度控制器即可控制的大尺寸触控屏幕的触控屏幕装置。Therefore, it is an object of the present invention to provide a touch screen device with a large-sized touch screen that can be controlled without using a high-sensitivity controller.

本发明的目的提供一种触控屏幕装置,包括一触控屏幕、一第一控制器以及一第二控制器。该触控屏幕包括一第一区域、一第二区域、一第三区域与一第四区域。该第一区域包括数个向一第一方向延伸的第一驱动导体以及数个向一第二方向延伸的第一感应导体,该第一方向垂直于该第二方向。该第二区域包括数个向该第一方向延伸的第二驱动导体以及数个向该第二方向延伸的第二感应导体。该第三区域包括数个向该第一方向延伸的第三驱动导体以及数个向该第二方向延伸的第三感应导体。该第四区域包括数个向该第一方向延伸的第四驱动导体以及数个向该第二方向延伸的第四感应导体。该第一控制器电性连接该第一驱动导体、该第二驱动导体、该第一感应导体及该第二感应导体,用来输出该数个驱动信号以驱动该数个第一驱动导体与该数个第二驱动导体,接收该数个第一感应导体与第二感应导体的数个感应信号。该第二控制器电性连接该第三驱动导体、该第四驱动导体、该第三感应导体及该第四感应导体,用来输出该数个驱动信号以驱动该数个第三驱动导体与该数个第四驱动导体,接收该数个第三感应导体与第四感应导体的数个感应信号。每一第一驱动导体与任一该第三驱动导体、每一第二驱动导体与任一该第四驱动导体、每一第一感应导体与任一该第二感应导体及每一第三感应导体与任一该第四感应导体皆未连接。The object of the present invention is to provide a touch screen device, which includes a touch screen, a first controller and a second controller. The touch screen includes a first area, a second area, a third area and a fourth area. The first region includes several first driving conductors extending toward a first direction and several first sensing conductors extending toward a second direction, and the first direction is perpendicular to the second direction. The second region includes several second driving conductors extending toward the first direction and several second sensing conductors extending toward the second direction. The third area includes several third driving conductors extending toward the first direction and several third sensing conductors extending toward the second direction. The fourth region includes several fourth driving conductors extending toward the first direction and several fourth sensing conductors extending toward the second direction. The first controller is electrically connected to the first driving conductor, the second driving conductor, the first sensing conductor and the second sensing conductor, and is used to output the plurality of driving signals to drive the plurality of first driving conductors and the second sensing conductor. The plurality of second driving conductors receive a plurality of sensing signals of the plurality of first sensing conductors and the plurality of second sensing conductors. The second controller is electrically connected to the third driving conductor, the fourth driving conductor, the third sensing conductor and the fourth sensing conductor, and is used to output the plurality of driving signals to drive the plurality of third driving conductors and the fourth sensing conductor. The plurality of fourth driving conductors receives a plurality of sensing signals of the plurality of third sensing conductors and the plurality of fourth sensing conductors. Each first driving conductor and any of the third driving conductors, each second driving conductor and any of the fourth driving conductors, each first induction conductor and any of the second induction conductors and each third induction conductor The conductor is not connected to any of the fourth sensing conductors.

依据本发明的实施例,该第一驱动导体、该第二驱动导体、该第三驱动导体与该第四驱动导体的数量一致,该第一感应导体、该第二感应导体、该第三感应导体与该第四感应导体的数量一致。According to an embodiment of the present invention, the number of the first driving conductor, the second driving conductor, the third driving conductor and the fourth driving conductor are the same, the first induction conductor, the second induction conductor, the third induction conductor The number of conductors is the same as that of the fourth induction conductor.

依据本发明的实施例,该第一、第二、第三与第四区域间有一十字型间距。According to an embodiment of the present invention, there is a cross-shaped distance between the first, second, third and fourth regions.

本发明之另一目的是提供一种触控屏幕装置,包括一触控屏幕、一第一控制器、一第二控制器、一第三控制器以及一第四控制器。该触控屏幕包括一第一区域、一第二区域、一第三区域与一第四区域。该第一区域包括数个向一第一方向延伸的第一驱动导体以及数个向一第二方向延伸的第一感应导体,该第一方向垂直于该第二方向。该第二区域包括数个向该第一方向延伸的第二驱动导体以及数个向该第二方向延伸的第二感应导体。该第三区域包括数个向该第一方向延伸的第三驱动导体以及数个向该第二方向延伸的第三感应导体。该第四区域包括数个向该第一方向延伸的第四驱动导体以及数个向该第二方向延伸的第四感应导体。该第一控制器电性连接该第一驱动导体及该第一感应导体,用来输出该数个驱动信号以驱动该数个第一驱动导体,接收该数个第一感应导体的数个感应信号。该第二控制器电性连接该第二驱动导体及该第二感应导体电性连接之,用来输出该数个驱动信号以驱动该数个第二驱动导体,接收该数个第二感应导体的数个感应信号。该第三控制器电性连接该第三驱动导体及该第三感应导体,用来输出该数个驱动信号以驱动该数个第三驱动导体,接收该数个第三感应导体的数个感应信号。该第四控制器电性连接该第四驱动导体及该第四感应导体,用来输出该数个驱动信号以驱动该数个第四驱动导体,接收该数个第四感应导体的数个感应信号。每一第一驱动导体与任一该第三驱动导体、每一第二驱动导体与任一该第四驱动导体、每一第一感应导体与任一该第二感应导体及每一第三感应导体与任一该第四感应导体皆未连接。Another object of the present invention is to provide a touch screen device, which includes a touch screen, a first controller, a second controller, a third controller and a fourth controller. The touch screen includes a first area, a second area, a third area and a fourth area. The first region includes several first driving conductors extending toward a first direction and several first sensing conductors extending toward a second direction, and the first direction is perpendicular to the second direction. The second region includes several second driving conductors extending toward the first direction and several second sensing conductors extending toward the second direction. The third area includes several third driving conductors extending toward the first direction and several third sensing conductors extending toward the second direction. The fourth region includes several fourth driving conductors extending toward the first direction and several fourth sensing conductors extending toward the second direction. The first controller is electrically connected to the first driving conductor and the first sensing conductor, and is used to output the plurality of driving signals to drive the plurality of first driving conductors, and receive a plurality of induction signals from the plurality of first sensing conductors. Signal. The second controller is electrically connected to the second driving conductor and the second sensing conductor, and is used to output the plurality of driving signals to drive the plurality of second driving conductors and receive the plurality of second sensing conductors several sensing signals. The third controller is electrically connected to the third driving conductor and the third sensing conductor, and is used to output the plurality of driving signals to drive the plurality of third driving conductors, and receive a plurality of induction signals from the plurality of third sensing conductors. Signal. The fourth controller is electrically connected to the fourth driving conductor and the fourth sensing conductor, and is used to output the plurality of driving signals to drive the plurality of fourth driving conductors, and receive a plurality of induction signals from the plurality of fourth sensing conductors. Signal. Each first driving conductor and any of the third driving conductors, each second driving conductor and any of the fourth driving conductors, each first induction conductor and any of the second induction conductors and each third induction conductor The conductor is not connected to any of the fourth sensing conductors.

依据本发明的实施例,该第一驱动导体、该第二驱动导体、该第三驱动导体与该第四驱动导体的数量一致,该第一感应导体、该第二感应导体、该第三感应导体与该第四感应导体的数量一致。According to an embodiment of the present invention, the number of the first driving conductor, the second driving conductor, the third driving conductor and the fourth driving conductor are the same, the first induction conductor, the second induction conductor, the third induction conductor The number of conductors is the same as that of the fourth induction conductor.

依据本发明的实施例,该第一、第二、第三与第四区域间有一十字型间距。According to an embodiment of the present invention, there is a cross-shaped distance between the first, second, third and fourth regions.

相较于现有技术,本发明具有一触控屏幕的触控屏幕装置包含四个区域。因为两个以上的控制器会同时输出驱动信号至数个区域内的每一驱动导体,所以触控屏幕的扫描率会有所提升。此外,因为每一控制器控制该触控屏幕二分之一或四分之一区域,并只负责该触控屏幕四分之一的电容值,所以该触控屏幕装置可在不使用具更高侦测灵敏度及生产成本的控制器情况下,得到妥善控制。Compared with the prior art, the touch screen device with a touch screen of the present invention includes four regions. Since more than two controllers simultaneously output driving signals to each driving conductor in several areas, the scan rate of the touch screen is improved. In addition, because each controller controls one-half or one-fourth of the area of the touch screen and is only responsible for one-fourth of the capacitance of the touch screen, the touch screen device can be used without a more The case of the controller with high detection sensitivity and production cost is properly controlled.

为让本发明之上述内容能更明显易懂,下文特举较佳实施例,并配合所附图式,作详细说明如下:In order to make the above content of the present invention more obvious and understandable, the preferred embodiments are specifically cited below, and in conjunction with the accompanying drawings, the detailed description is as follows:

附图说明Description of drawings

图1绘示装有传统触控屏幕的触控屏幕装置的示意图。FIG. 1 is a schematic diagram of a touch screen device equipped with a conventional touch screen.

图2绘示本发明一触控屏幕第一实施例的功能方块图。FIG. 2 is a functional block diagram of a first embodiment of a touch screen according to the present invention.

图3绘示图2的触控屏幕。FIG. 3 illustrates the touch screen of FIG. 2 .

图4绘示本发明触控屏幕第二实施例的功能方块图。FIG. 4 is a functional block diagram of a second embodiment of the touch screen of the present invention.

具体实施方式Detailed ways

以下各实施例的说明是参考附加的图式,用以例示本发明可用以实施之特定实施例。本发明所提到的方向用语,例如「上」、「下」、「前」、「后」、「左」、「右」、「顶」、「底」、「水平」、「垂直」等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本发明,而非用以限制本发明。The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be practiced. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", "horizontal", "vertical", etc. , are for orientation only with reference to the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention.

请参阅图2。图2绘示本发明一触控屏幕300第一实施例的功能方块图。触控屏幕装置300包括一控制单元、一触控屏幕302以及一主机系统304。该控制单元具有两控制器301a、301b。主机系统304用于控制触控屏幕装置300的运行。控制器301a、301b是由一数字信号处理器(Digital signal processor,DSP)或一软件程序代码来实现,用来判定一施加于触控屏幕302力量的触控位置及力度。主机系统304用来控制触控屏幕装置300的运作。See Figure 2. FIG. 2 is a functional block diagram of a first embodiment of a touch screen 300 of the present invention. The touch screen device 300 includes a control unit, a touch screen 302 and a host system 304 . The control unit has two controllers 301a, 301b. The host system 304 is used to control the operation of the touch screen device 300 . The controllers 301a and 301b are implemented by a digital signal processor (DSP) or a software program code, and are used to determine the touch position and strength of a force applied to the touch screen 302 . The host system 304 is used to control the operation of the touch screen device 300 .

请一并参阅图2及图3。图3绘示图2的触控屏幕。触控屏幕302包括一玻璃基板330以及一氧化铟锡层340。氧化铟锡层340分成互相分离的第一区域A、第二区域B、第三区域C及第四区域D。该四区域均包括两层电子导体(electrical conductor)或信号层。第一区域A包括数个沿第一方向D1(如触控屏幕302的列)延伸的第一驱动导体3022,以及数个沿第二方向D2(如触控屏幕302的行)延伸的第一感应导体3024,其中第二方向D2与第一方向D1垂直。第二区域B包括数个沿第一方向D1延伸的第二驱动导体3026,以及数个沿第二方向D2延伸的第二感应导体3028。第三区域C包含数个沿第一方向D1(如触控屏幕302的列)延伸的第三驱动导体3122以及数个沿第二方向D2(如触控屏幕302的行)延伸的第三感应导体3124。第四区域D包含数个沿第一方向D1延伸的第四驱动导体3126以及数个沿第二方向D2延伸的第四感应导体3128。较佳地,第一驱动导体3022、第二驱动导体3026、第三驱动导体3122以及第四驱动导体3126的数量相同;第一感应导体3024、第二感应导体3028、第三感应导体3124以及第四感应导体3128的数量相同。驱动导体3022与感应导体3024交会点、驱动导体3026和感应导体3028交会点、驱动导体3122与感应导体3124交会点以及驱动导体3126与感应导体3128交会点,在实体上及电路上均相分隔,以此形成触控屏幕302的互电容感应组件。此外,如图3所示,每一第一驱动导体3022与该第三驱动导体3122、每一第二驱动导体3026与该第四驱动导体3126、每一第一感应导体3024与第二感应导体3028以及每一第三感应导体3124与第四感应导体3128皆未连接。也就是说,四区域A、B、C、D间有一十字型间距(cross-like gap)320。Please refer to Figure 2 and Figure 3 together. FIG. 3 illustrates the touch screen of FIG. 2 . The touch screen 302 includes a glass substrate 330 and an ITO layer 340 . The ITO layer 340 is divided into a first region A, a second region B, a third region C and a fourth region D which are separated from each other. Each of the four regions includes two layers of electrical conductors or signal layers. The first region A includes a plurality of first driving conductors 3022 extending along the first direction D1 (such as columns of the touch screen 302 ), and a plurality of first driving conductors 3022 extending along the second direction D2 (such as rows of the touch screen 302 ). The induction conductor 3024, wherein the second direction D2 is perpendicular to the first direction D1. The second area B includes a plurality of second driving conductors 3026 extending along the first direction D1, and a plurality of second sensing conductors 3028 extending along the second direction D2. The third area C includes a plurality of third driving conductors 3122 extending along the first direction D1 (such as the columns of the touch screen 302 ) and a plurality of third sensing conductors 3122 extending along the second direction D2 (such as the rows of the touch screen 302 ). Conductor 3124. The fourth region D includes a plurality of fourth driving conductors 3126 extending along the first direction D1 and a plurality of fourth sensing conductors 3128 extending along the second direction D2. Preferably, the numbers of the first driving conductor 3022, the second driving conductor 3026, the third driving conductor 3122 and the fourth driving conductor 3126 are the same; the first sensing conductor 3024, the second sensing conductor 3028, the third sensing conductor 3124 and the The four sensing conductors 3128 have the same number. the intersection points of drive conductor 3022 and sense conductor 3024, the intersection point of drive conductor 3026 and sense conductor 3028, the intersection point of drive conductor 3122 and sense conductor 3124, and the intersection point of drive conductor 3126 and sense conductor 3128 are physically and electrically separated from each other, In this way, a mutual capacitance sensing component of the touch screen 302 is formed. In addition, as shown in FIG. 3 , each first driving conductor 3022 and the third driving conductor 3122 , each second driving conductor 3026 and the fourth driving conductor 3126 , each first sensing conductor 3024 and the second sensing conductor 3028 and each third sensing conductor 3124 and fourth sensing conductor 3128 are not connected. That is to say, there is a cross-like gap 320 among the four areas A, B, C, and D.

数个驱动线XAB[0:n]与驱动导体3022、3026电性连接,数个驱动线XCD[0:n]与驱动导体3122、3126电性连接。数个第一感应线YA[0:m]与该第一感应导体3024、数个第二感应线YB[0:m]与第二感应导体3028、数个第三感应线YC[0:m]与第三感应导体3124以及数个第四感应线YD[0:m]与第四感应导体3128电性连接。当控制器301b经由驱动线XCD[0:n]输出驱动信号至驱动导体3122、3126时,控制器301a经由驱动线XAB[0:n]输出驱动信号至驱动导体3022、3026。当经由感应线YC[0:m]、YD[0:m]与感应导体3124、3128连接的控制器301b接收感应信号时,经由感应线YA[0:m]、YB[0:m]与感应导体3024、3028连接的控制器301a也同时接收感应信号。Several driving lines XAB[0:n] are electrically connected to the driving conductors 3022 , 3026 , and several driving lines XCD[0:n] are electrically connected to the driving conductors 3122 , 3126 . Several first sensing lines YA[0:m] and the first sensing conductor 3024, several second sensing lines YB[0:m] and the second sensing conductor 3028, several third sensing lines YC[0:m ] are electrically connected to the third sensing conductor 3124 and the plurality of fourth sensing lines YD[0:m] are electrically connected to the fourth sensing conductor 3128 . When the controller 301b outputs the driving signal to the driving conductors 3122 , 3126 via the driving line XCD[0:n], the controller 301a outputs the driving signal to the driving conductors 3022 , 3026 via the driving line XAB[0:n]. When the controller 301b connected to the sensing conductors 3124, 3128 via the sensing lines YC[0:m], YD[0:m] receives the sensing signal, the sensing line YA[0:m], YB[0:m] and The controller 301a connected to the sensing conductors 3024, 3028 also receives the sensing signal at the same time.

控制器301a会按该第二方向D2依序输出驱动信号以驱动驱动导体3022、3026,按第四方向D4(或该第一方向D1)依序从感应导体3024接收感应信号,并且按第一方向(或第四方向)依序自感应导体3028接收感应信号。与此同时,控制器301b会按第三方向D3依序输出驱动信号以驱动驱动导体3122、3126,按第四方向D4(或该第一方向D1)依序从感应导体3124接收感应信号,并且按第一方向(或第四方向)依序自感应导体3128接收感应信号。当数个手指、笔尖或其他物体触碰触控屏幕302一次以上时,感应导体3024、3028、3124、3128与驱动导体3022、3026、3122、3126的某一交会点必定会发生一电容耦合现象(capacitance coupling phenomenon)导致感应导体3024、3028、3124、3128产生感应信号,因此发生电压波动。在逐一扫描驱动导体3022、3026、3122、3126后,便可获得确切的触碰位置。控制器301a、301b即根据该感应信号的电压波动,判定触碰位置。The controller 301a will sequentially output driving signals according to the second direction D2 to drive the driving conductors 3022, 3026, receive the sensing signals from the sensing conductors 3024 sequentially according to the fourth direction D4 (or the first direction D1), and follow the first direction D4 (or the first direction D1). The direction (or the fourth direction) sequentially receives sensing signals from the sensing conductor 3028 . At the same time, the controller 301b will sequentially output driving signals according to the third direction D3 to drive the driving conductors 3122, 3126, and sequentially receive the sensing signals from the sensing conductors 3124 according to the fourth direction D4 (or the first direction D1), and The sensing signals are sequentially received from the sensing conductor 3128 in the first direction (or the fourth direction). When several fingers, stylus or other objects touch the touch screen 302 more than once, a capacitive coupling phenomenon must occur at a certain intersection point of the sensing conductors 3024, 3028, 3124, 3128 and the driving conductors 3022, 3026, 3122, 3126 (capacitance coupling phenomenon) causes the induction conductors 3024, 3028, 3124, 3128 to generate induction signals, and thus voltage fluctuations occur. After scanning the driving conductors 3022, 3026, 3122, 3126 one by one, the exact touch position can be obtained. The controllers 301a and 301b determine the touch position according to the voltage fluctuation of the sensing signal.

因为控制器301a、301b经由驱动线XAB[0:n]及驱动线XCD[0:n]同时输出驱动信号至第一区域A的第一驱动导体3022、第二区域B的第二驱动导体3026、第三区域C的第三驱动导体3122以及第四区域D的第四驱动导体3126,所以触控屏幕302的扫描率会有所提升。此外,因为每一控制器301a、301b皆控制触控屏幕302一半区域,意即每一控制器301a、301b皆负责触控屏幕302一半的电容值,所以触控屏幕装置300可在不使用更高侦测灵敏度及生产成本的控制器情况下,被妥善控制。Because the controllers 301a, 301b simultaneously output driving signals to the first driving conductor 3022 in the first area A and the second driving conductor 3026 in the second area B via the driving line XAB[0:n] and the driving line XCD[0:n] , the third driving conductor 3122 in the third area C and the fourth driving conductor 3126 in the fourth area D, so the scan rate of the touch screen 302 will be improved. In addition, because each controller 301a, 301b controls half of the area of the touch screen 302, that is, each controller 301a, 301b is responsible for half of the capacitance of the touch screen 302, so the touch screen device 300 can be used without using more In case of controller with high detection sensitivity and production cost, it is properly controlled.

请参阅图4。图4绘示本发明触控屏幕400第二实施例的功能方块图。触控屏幕装置400包括一控制单元、一触控屏幕402和一个主机系统404。该控制单元具有四个控制器401a、401b、401c及401d,且可整合为一单一控制器。主机系统404用来控制触控屏幕装置400之操作。控制器401a、401b、401c及401d是由一数字信号处理器或一软件程序代码实现之。控制器401a、401b、401c及401d用来判定一施加于触控屏幕402力量之触控位置及力度。See Figure 4. FIG. 4 is a functional block diagram of a second embodiment of a touch screen 400 of the present invention. The touch screen device 400 includes a control unit, a touch screen 402 and a host system 404 . The control unit has four controllers 401a, 401b, 401c and 401d, and can be integrated into a single controller. The host system 404 is used to control the operation of the touch screen device 400 . The controllers 401a, 401b, 401c and 401d are implemented by a digital signal processor or a software program code. The controllers 401 a , 401 b , 401 c and 401 d are used to determine the touch position and strength of a force applied to the touch screen 402 .

触控屏幕402另包含一玻璃基板以及一氧化铟锡层。为简化图式,触控屏幕402也并未绘示玻璃基板和氧化铟锡层。触控屏幕402之氧化铟锡层分成一第一区域A、一第二区域B、一第三区域C以及一第四区域D,每一区域皆与其他区域分离。第一区域A、第二区域B、第三区域C及第四区域D各自包含两层电子导体。第一区域A包含数个沿第一方向D1(如触控屏幕402的列)延伸的第一驱动导体4022,以及数个沿第二方向D2(如触控屏幕402的行)延伸的第一感应导体4024,其中第二方向D2与第一方向D1垂直。第二区域B包括数个沿第一方向D1延伸的第二驱动导体4026,以及数个沿第二方向D2延伸的第二感应导体4028。第三区域C包含数个沿第一方向D1(如触控屏幕402的列)延伸的第三驱动导体4122以及数个沿第二方向D2(如触控屏幕402的行)延伸的第三感应导体4124。第四区域D包含数个沿第一方向D1延伸的第四驱动导体4126以及数个沿第二方向D2延伸的第四感应导体4128。较佳地,第一驱动导体4022、第二驱动导体4026、第三驱动导体4122以及第四驱动导体4126的数量相同;第一感应导体4024、第二感应导体4028、第三感应导体4124以及第四感应导体4126的数量相同。驱动导体4022与感应导体4024交会点、驱动导体4026和感应导体4028交会点、驱动导体4122与感应导体4124交会点以及驱动导体4126与感应导体4128交会点,在实体上及电路上均相分隔,以此形成触控屏幕402的互电容感应组件。此外,每一第一驱动导体4022与第三驱动导体4122、每一第二驱动导体4026与该第四驱动导体4126、每一第一感应导体4024与该第二感应导体4028以及每一第三感应导体4124与第四感应导体4128皆未连接。The touch screen 402 further includes a glass substrate and an ITO layer. To simplify the drawing, the touch screen 402 does not show the glass substrate and the ITO layer. The ITO layer of the touch screen 402 is divided into a first region A, a second region B, a third region C and a fourth region D, each region is separated from other regions. Each of the first region A, the second region B, the third region C and the fourth region D includes two layers of electronic conductors. The first region A includes a plurality of first driving conductors 4022 extending along the first direction D1 (such as columns of the touch screen 402 ), and a plurality of first driving conductors 4022 extending along the second direction D2 (such as rows of the touch screen 402 ). The induction conductor 4024, wherein the second direction D2 is perpendicular to the first direction D1. The second region B includes a plurality of second driving conductors 4026 extending along the first direction D1, and a plurality of second sensing conductors 4028 extending along the second direction D2. The third region C includes a plurality of third driving conductors 4122 extending along the first direction D1 (such as the columns of the touch screen 402 ) and a plurality of third sensing conductors 4122 extending along the second direction D2 (such as the rows of the touch screen 402 ). Conductor 4124. The fourth area D includes a plurality of fourth driving conductors 4126 extending along the first direction D1 and a plurality of fourth sensing conductors 4128 extending along the second direction D2. Preferably, the numbers of the first driving conductor 4022, the second driving conductor 4026, the third driving conductor 4122 and the fourth driving conductor 4126 are the same; the first sensing conductor 4024, the second sensing conductor 4028, the third sensing conductor 4124 and the The numbers of the four sensing conductors 4126 are the same. the points where drive conductor 4022 meets sense conductor 4024, the point where drive conductor 4026 meets sense conductor 4028, the point where drive conductor 4122 meets sense conductor 4124, and the point where drive conductor 4126 meets sense conductor 4128 are physically and electrically separated from each other, In this way, a mutual capacitance sensing component of the touch screen 402 is formed. In addition, each first driving conductor 4022 and the third driving conductor 4122, each second driving conductor 4026 and the fourth driving conductor 4126, each first sensing conductor 4024 and the second sensing conductor 4028, and each third Neither the sensing conductor 4124 nor the fourth sensing conductor 4128 is connected.

数个驱动线XA[0:n]与驱动导体4022电性连接,数个驱动线XB[0:n]与驱动导体4026电性连接,数个驱动线XC[0:n]与驱动导体4122电性连接,数个驱动线XD[0:n]与驱动导体4126电性连接。数个第一感应线YA[0:m]与第一感应导体4024、数个第二感应线YB[0:m]与该第二感应导体4028、数个第三感应线YC[0:m]与第三感应导体4124以及数个第四感应线YD[0:m]与第四感应导体4128电性连接。与此同时,控制器401a经由驱动线XA[0:n]输出驱动信号至驱动导体4022,控制器401b经由驱动线XB[0:n]输出驱动信号至驱动导体4026,控制器401c经由驱动线XC[0:n]输出驱动信号至驱动导体4122,控制器401d经由驱动线XD[0:n]输出驱动信号至驱动导体4126。经由感应线YA[0:m]与感应导体4024连接的控制器401a接收感应信号,经由感应线YB[0:m]与感应导体4028连接的控制器401b接收感应信号,经由感应线YC[0:m]与感应导体4124连接的控制器401c接收感应信号,经由感应线YD[0:m]与感应导体4128连接的控制器401d接收感应信号。Several driving lines XA[0:n] are electrically connected to the driving conductor 4022 , several driving lines XB[0:n] are electrically connected to the driving conductor 4026 , and several driving lines XC[0:n] are electrically connected to the driving conductor 4122 Electrically connected, several driving lines XD[0:n] are electrically connected to the driving conductor 4126 . Several first sensing lines YA[0:m] and the first sensing conductor 4024, several second sensing lines YB[0:m] and the second sensing conductor 4028, several third sensing lines YC[0:m ] are electrically connected to the third sensing conductor 4124 and the plurality of fourth sensing lines YD[0:m] are electrically connected to the fourth sensing conductor 4128 . At the same time, the controller 401a outputs a driving signal to the driving conductor 4022 through the driving line XA[0:n], the controller 401b outputs the driving signal to the driving conductor 4026 through the driving line XB[0:n], and the controller 401c outputs the driving signal to the driving conductor 4026 through the driving line XA[0:n]. XC[0:n] outputs the driving signal to the driving conductor 4122 , and the controller 401d outputs the driving signal to the driving conductor 4126 via the driving line XD[0:n]. The controller 401a connected to the sensing conductor 4024 via the sensing line YA[0:m] receives the sensing signal, the controller 401b connected to the sensing conductor 4028 via the sensing line YB[0:m] receives the sensing signal, and the sensing signal is received via the sensing line YC[0 :m] The controller 401c connected to the induction conductor 4124 receives the induction signal, and the controller 401d connected to the induction conductor 4128 via the induction line YD[0:m] receives the induction signal.

控制器401a和401b同时朝第二方向D2次第输出驱动信号,以驱动驱动导体4022及4026。控制器401a接收感应导体4024沿第四方向D4(或第一方向D1)而来的感应信号。控制器401b接收感应导体4028沿第一方向D1(或第四方向D4)而来的感应信号。与此同时,控制器401c和401d同时朝第三方向D3次第输出驱动信号,以驱动驱动导体4122和4126。控制器401c接收感应导体4124沿第四方向D4(或第一方向D1)而来的感应信号。控制器401d接收感应导体4128沿第一方向D1(或第四方向D4)而来的感应信号。The controllers 401a and 401b simultaneously output driving signals sequentially in the second direction D2 to drive the driving conductors 4022 and 4026 . The controller 401a receives the sensing signal from the sensing conductor 4024 along the fourth direction D4 (or the first direction D1). The controller 401b receives the sensing signal from the sensing conductor 4028 along the first direction D1 (or the fourth direction D4). At the same time, the controllers 401c and 401d sequentially output driving signals toward the third direction D3 to drive the driving conductors 4122 and 4126 . The controller 401c receives the sensing signal from the sensing conductor 4124 along the fourth direction D4 (or the first direction D1). The controller 401d receives the sensing signal from the sensing conductor 4128 along the first direction D1 (or the fourth direction D4).

当手指、触控笔或其他对象触碰触控屏幕402一次以上时,感应导体4024、4028、4124、4128与驱动导体4022、4026、4122、4126之交会点必会出现电容耦合现象,导致感应导体4024、4028、4124、4128产生该感应信号,造成电压波动。在逐一扫描驱动导体4022、4026、4122、4126后,就能精确定位触碰位置。控制器401a、401b、401c及401d遂根据该感应信号的电压波动判定触碰位置。When a finger, a stylus or other objects touch the touch screen 402 more than once, capacitive coupling will occur at the intersection points of the sensing conductors 4024, 4028, 4124, 4128 and the driving conductors 4022, 4026, 4122, 4126, resulting in induction The conductors 4024, 4028, 4124, 4128 generate the induction signals, causing voltage fluctuations. After scanning the driving conductors 4022, 4026, 4122, 4126 one by one, the touch position can be precisely located. The controllers 401a, 401b, 401c and 401d then determine the touch position according to the voltage fluctuation of the sensing signal.

因控制器401a、401b、401c及401d经由驱动线XA[0:n]、XB[0:n]、XC[0:n]及XD[0:n]同时输出驱动信号至第一区域A的第一驱动导体4022、第二区域B的第二驱动导体4026、第三区域C的第三驱动导体4122以及第四区域D的第四驱动导体4126,所以该扫描率会有所提升。此外,因控制器401a、401b、401c及401d各自控制触控屏幕402四分之一的区域,意即控制器401a、401b、401c及401d各自负责触控屏幕402四分之一电容。所以,在不增加控制器401a、401b、401c及401d的侦测灵敏度与成本的前提下,触控屏幕装置400也能被控制器401a、401b、401c及401d妥善控制。Because the controllers 401a, 401b, 401c, and 401d simultaneously output drive signals to the first area A via the drive lines XA[0:n], XB[0:n], XC[0:n], and XD[0:n] The first driving conductor 4022, the second driving conductor 4026 in the second area B, the third driving conductor 4122 in the third area C, and the fourth driving conductor 4126 in the fourth area D, so the scanning rate will be improved. In addition, since the controllers 401 a , 401 b , 401 c and 401 d each control a quarter of the area of the touch screen 402 , it means that each of the controllers 401 a , 401 b , 401 c and 401 d is responsible for a quarter of the capacitance of the touch screen 402 . Therefore, without increasing the detection sensitivity and cost of the controllers 401a, 401b, 401c and 401d, the touch screen device 400 can also be properly controlled by the controllers 401a, 401b, 401c and 401d.

综上所述,虽然本发明已以较佳实施例揭露如上,但该较佳实施例并非用以限制本发明,该领域的普通技术人员,在不脱离本发明的精神和范围内,均可作各种更动与润饰,因此本发明的保护范围以权利要求界定的范围为准。In summary, although the present invention has been disclosed above with a preferred embodiment, the preferred embodiment is not intended to limit the present invention, and those of ordinary skill in the art may, without departing from the spirit and scope of the present invention, Various changes and modifications are made, so the protection scope of the present invention shall be determined by the scope defined in the claims.

Claims (6)

1. a touch-controlled screen device, is characterized in that, comprising:
One Touch Screen comprises:
One first area, comprise several the first driving conductors that extend to a first direction and several the first sensor conductor extended to a second direction, and described first direction is perpendicular to described second direction;
One second area, comprise several the second driving conductors that extend to described first direction and several the second sensor conductor extended to described second direction;
One the 3rd zone, comprise several the 3rd driving conductors that extend to described first direction and several the 3rd sensor conductor extended to described second direction;
One the 4th zone, comprise several 4 wheel driven moving-conductors that extend to described first direction and several the 4th sensor conductor extended to described second direction;
One first controller, being electrically connected described first drives conductor, described second to drive conductor, described the first sensor conductor and described the second sensor conductor, be used for exporting described several driving signal to drive described several first to drive conductor and described several second to drive conductor, receive several induced signals of described several the first sensor conductor and the second sensor conductor; And
One second controller, be electrically connected the described the 3rd and drive conductor, described 4 wheel driven moving-conductor, described the 3rd sensor conductor and described the 4th sensor conductor, be used for exporting described several driving signal to drive the described the several the 3rd to drive conductor and described several 4 wheel driven moving-conductor, receive several induced signals of described several the 3rd sensor conductor and the 4th sensor conductor
Wherein each first driving conductor and the arbitrary the described the 3rd drives conductor, each second driving conductor all not to be connected with arbitrary described the 4th sensor conductor with arbitrary described the second sensor conductor and each the 3rd sensor conductor with arbitrary described 4 wheel driven moving-conductor, each first sensor conductor.
2. touch-controlled screen device according to claim 1, wherein said first drives conductor, described second to drive conductor, the described the 3rd to drive conductor consistent with the quantity of described 4 wheel driven moving-conductor, and described the first sensor conductor, described the second sensor conductor, described the 3rd sensor conductor are consistent with the quantity of described the 4th sensor conductor.
3. touch-controlled screen device according to claim 1, is characterized in that, between the described first, second, third and the 4th zone, has a cross spacing.
4. a touch-controlled screen device, is characterized in that, comprising:
One Touch Screen comprises:
One first area, comprise several the first driving conductors that extend to a first direction and several the first sensor conductor extended to a second direction, and described first direction is perpendicular to described second direction;
One second area, comprise several the second driving conductors that extend to described first direction and several the second sensor conductor extended to described second direction;
One the 3rd zone, comprise several the 3rd driving conductors that extend to described first direction and several the 3rd sensor conductor extended to described second direction;
One the 4th zone, comprise several 4 wheel driven moving-conductors that extend to described first direction and several the 4th sensor conductor extended to described second direction;
One first controller, be electrically connected described first and drive conductor and described the first sensor conductor, is used for exporting described several driving signal to drive described several first to drive conductor, receives several induced signals of described several the first sensor conductors;
One second controller, be electrically connected described second and drive conductor and described the second sensor conductor to be electrically connected it, is used for exporting described several driving signal to drive described several second to drive conductor, receives several induced signals of described several the second sensor conductors;
One the 3rd controller, be electrically connected the described the 3rd and drive conductor and described the 3rd sensor conductor, is used for exporting described several driving signal to drive the described the several the 3rd to drive conductor, receives several induced signals of described several the 3rd sensor conductors; And
One the 4th controller, be electrically connected described 4 wheel driven moving-conductor and described the 4th sensor conductor, is used for exporting described several driving signal to drive described several 4 wheel driven moving-conductor, receives several induced signals of described several the 4th sensor conductors;
Wherein each first driving conductor and the arbitrary the described the 3rd drives conductor, each second driving conductor all not to be connected with arbitrary described the 4th sensor conductor with arbitrary described the second sensor conductor and each the 3rd sensor conductor with arbitrary described 4 wheel driven moving-conductor, each first sensor conductor.
5. touch-controlled screen device according to claim 4, it is characterized in that, described first drives conductor, described second to drive conductor, the described the 3rd to drive conductor consistent with the quantity of described 4 wheel driven moving-conductor, and described the first sensor conductor, described the second sensor conductor, described the 3rd sensor conductor are consistent with the quantity of described the 4th sensor conductor.
6. touch-controlled screen device according to claim 4, is characterized in that, the described first, second, third and the 4th interregionally has a cross spacing.
CN2013101272526A 2012-04-18 2013-04-12 Touch screen device Pending CN103455195A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/450,438 US20130016051A1 (en) 2011-07-13 2012-04-18 Touch Panel Device Having a Divided ITO layer for Reducing Loading
US13/450,438 2012-04-18

Publications (1)

Publication Number Publication Date
CN103455195A true CN103455195A (en) 2013-12-18

Family

ID=49737645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013101272526A Pending CN103455195A (en) 2012-04-18 2013-04-12 Touch screen device

Country Status (2)

Country Link
CN (1) CN103455195A (en)
TW (1) TW201344544A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103941923A (en) * 2014-04-23 2014-07-23 宁波保税区攀峒信息科技有限公司 Touch device integration method and integrated touch device
CN105988628A (en) * 2015-02-26 2016-10-05 宏碁股份有限公司 Touch device and control method
WO2020037869A1 (en) * 2018-08-21 2020-02-27 广州视源电子科技股份有限公司 Driving system of capacitive screen, and touch screen and intelligent interaction device
WO2022227216A1 (en) * 2021-04-25 2022-11-03 惠州华星光电显示有限公司 Display panel and display apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI543058B (en) 2014-12-15 2016-07-21 創為精密材料股份有限公司 Method for position detection and sensing device applying the method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009009249A (en) * 2007-06-26 2009-01-15 Nissha Printing Co Ltd Capacitance type touch panel and two system combined use touch panel using the same
CN102096499A (en) * 2009-12-11 2011-06-15 乐金显示有限公司 Touch panel and liquid crystal display device including the same
WO2011071540A1 (en) * 2009-12-11 2011-06-16 Flextronics Ap Llc Multi-driver touch panel
US20110254783A1 (en) * 2010-04-19 2011-10-20 Au Optronics Corp. Touch panel
US20110267304A1 (en) * 2010-04-30 2011-11-03 Martin John Simmons Multi-chip touch screens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009009249A (en) * 2007-06-26 2009-01-15 Nissha Printing Co Ltd Capacitance type touch panel and two system combined use touch panel using the same
CN102096499A (en) * 2009-12-11 2011-06-15 乐金显示有限公司 Touch panel and liquid crystal display device including the same
WO2011071540A1 (en) * 2009-12-11 2011-06-16 Flextronics Ap Llc Multi-driver touch panel
US20110254783A1 (en) * 2010-04-19 2011-10-20 Au Optronics Corp. Touch panel
US20110267304A1 (en) * 2010-04-30 2011-11-03 Martin John Simmons Multi-chip touch screens

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103941923A (en) * 2014-04-23 2014-07-23 宁波保税区攀峒信息科技有限公司 Touch device integration method and integrated touch device
CN105988628A (en) * 2015-02-26 2016-10-05 宏碁股份有限公司 Touch device and control method
WO2020037869A1 (en) * 2018-08-21 2020-02-27 广州视源电子科技股份有限公司 Driving system of capacitive screen, and touch screen and intelligent interaction device
WO2022227216A1 (en) * 2021-04-25 2022-11-03 惠州华星光电显示有限公司 Display panel and display apparatus

Also Published As

Publication number Publication date
TW201344544A (en) 2013-11-01

Similar Documents

Publication Publication Date Title
CN103941946B (en) Touch screen and display device
CN102880338A (en) Touch display device
CN102027438B (en) Multi-touch detection board with touch coordinate disambiguation
TWI621986B (en) Pressure sensing touch display device
CN104216584B (en) Touch-control display panel and display device
TWI649688B (en) Touch controller, touch sensing device, electronic device, display device, and touch sensing method
CN104571746B (en) Touch screen, a touch panel and a driving method thereof
CN104281328A (en) Touch screen and display panel
US20120062482A1 (en) Method of scanning touch on touch screen
US10379686B2 (en) Touch display panel and method for driving the same
CN102289316A (en) Method and apparatus for correcting touch coordinates in touch system
CN103257769A (en) Capacitor-embedded touch screen and capacitor-embedded displaying device
US20150084921A1 (en) Floating touch method and touch device
KR20110113035A (en) Touch sensing panel and touch sensing device for multi-touch sensing
US20160342260A1 (en) Single-layer capacitive touch screen and touch display device
TWI537778B (en) Touch panel sensing structure
WO2015078353A1 (en) Touch screen control method and terminal equipment
CN204087159U (en) A kind of touch-screen and display panel
CN203759677U (en) Touch screen and display device
WO2016082244A1 (en) Touch panel and touch display device
CN102033637B (en) Touch screen position detection method
CN104885043A (en) Apparatus and method for sensing touch
CN103455195A (en) Touch screen device
CN104077000B (en) Touch panel and its driving method, display device
CN101661356B (en) Capacitive charge compensation method for touch sensing device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20131218