技术领域technical field
本发明涉及显示技术领域，尤其涉及一种触摸显示面板及其驱动方法、触摸显示装置。The present invention relates to the field of display technology, in particular to a touch display panel, a driving method thereof, and a touch display device.
背景技术Background technique
随着显示技术的飞速发展，触摸屏(Touch Panel)已经逐渐遍及人们的生活中。与仅能提供显示功能的传统显示器相比较，使用触摸屏的显示器能够使得使用者与显示控制主机之间进行信息交互，因此，触摸摸屏可以完全或者至少部分取代了常用的输入装置，使得现有的显示器不仅能够显示，还能触摸控制，但是，现有的触摸屏在进行触摸扫描时存在触摸效果不高，边框较大，功耗较大，触摸屏厚度较大等问题。With the rapid development of display technology, touch panels (Touch Panel) have gradually spread in people's lives. Compared with traditional displays that can only provide display functions, displays using touch screens can enable information interaction between users and display control hosts. Therefore, touch screens can completely or at least partially replace commonly used input devices, making existing The display can not only display, but also touch control. However, the existing touch screen has problems such as low touch effect, large frame, large power consumption, and large thickness of the touch screen when performing touch scanning.
发明内容Contents of the invention
有鉴于此，本发明提供了一种一种触摸显示面板及其驱动方法、触摸显示装置.In view of this, the present invention provides a touch display panel, a driving method thereof, and a touch display device.
本发明提供一种触摸显示面板，包括多条第一方向电极和多条第二方向电极，所述触摸显示面板还包括相对设置的第一基板和TFT阵列基板，其中，The present invention provides a touch display panel, including a plurality of electrodes in the first direction and a plurality of electrodes in the second direction, and the touch display panel also includes a first substrate and a TFT array substrate oppositely arranged, wherein,
电容触摸检测时，每条所述第一方向电极均被施加第一电容检测信号，每条所述第二方向电极均被施加第二电容检测信号；During capacitive touch detection, each electrode in the first direction is applied with a first capacitance detection signal, and each electrode in the second direction is applied with a second capacitance detection signal;
电磁触摸检测，所述至少两条第一方向电极电连接形成第一方向线圈，所述第一方向线圈被施加第一电磁检测信号，所述至少两条第二方向电极电连接形成第二方向线圈，所述第二方向线圈被施加第二电磁检测信号。Electromagnetic touch detection, the at least two first direction electrodes are electrically connected to form a first direction coil, the first direction coil is applied with a first electromagnetic detection signal, and the at least two second direction electrodes are electrically connected to form a second direction a coil, the second direction coil is applied with a second electromagnetic detection signal.
相应的，本发明还提供了一种触摸显示装置，包括如上所述的触摸显示面板。Correspondingly, the present invention also provides a touch display device, including the above touch display panel.
相应的，本发明还提供了一种触摸显示面板的驱动方法，触摸显示面板包括电容触摸检测模块、电磁触摸检测模块和预检模块，所述触摸显示面板的驱动方法包括：Correspondingly, the present invention also provides a driving method of a touch display panel. The touch display panel includes a capacitive touch detection module, an electromagnetic touch detection module and a pre-check module. The driving method of the touch display panel includes:
步骤一，预检模块施加电磁预检信号给电磁预检线圈，用于检测是否有电磁笔靠近所述触摸显示面板；Step 1, the pre-check module applies an electromagnetic pre-check signal to the electromagnetic pre-check coil to detect whether an electromagnetic pen is close to the touch display panel;
步骤二，电磁笔靠近所述触摸显示面板时，进行电磁触摸检测；或者，Step 2, when the electromagnetic pen approaches the touch display panel, perform electromagnetic touch detection; or,
没有电磁笔靠近所述触摸显示面板时，所述电磁触摸检测模块施加一个触发信号给所述电容触摸检测模块，进行电容触摸检测。When no electromagnetic pen approaches the touch display panel, the electromagnetic touch detection module applies a trigger signal to the capacitive touch detection module to perform capacitive touch detection.
本发明实施例至少达到如下的有益效果之一：Embodiments of the present invention at least achieve one of the following beneficial effects:
本发明实施例通过设置触摸显示面板包括多条第一方向电极和多条第二方向电极，电容触摸检测时，每条所述第一方向电极均被施加第一电容检测信号，每条所述第二方向电极均被施加第二电容检测信号；电磁触摸检测，所述至少两条第一方向电极电连接形成第一方向线圈，所述第一方向线圈被施加第一电磁检测信号，所述至少两条第二方向电极电连接形成第二方向线圈，所述第二方向线圈被施加第二电磁检测信号，至少达到如下的有益效果之一：可以提高触摸效果,减小噪声，增加报点的准确性，边框窄化，如此，则边框留余变大，则边框处的走线可以做的宽些，如此降低了走线的电阻；满足电磁触摸电极低阻要求，提高了触摸效果，处理起来灵活性很高；在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，薄型化触摸显示装置，简化制备流程，降低生产成本，电磁电容一体化触摸显示面板的效果之一。In the embodiment of the present invention, the touch display panel includes a plurality of electrodes in the first direction and a plurality of electrodes in the second direction. The second direction electrodes are all applied with the second capacitance detection signal; for electromagnetic touch detection, the at least two first direction electrodes are electrically connected to form a first direction coil, and the first direction coil is applied with the first electromagnetic detection signal, and the first direction coil is applied with the first electromagnetic detection signal. At least two second direction electrodes are electrically connected to form a second direction coil, and the second direction coil is applied with a second electromagnetic detection signal, so as to achieve at least one of the following beneficial effects: it can improve touch effect, reduce noise, and increase reporting points The accuracy of the frame is narrowed. In this way, the margin of the frame becomes larger, and the wiring at the frame can be made wider, which reduces the resistance of the wiring; meets the low resistance requirements of the electromagnetic touch electrode, and improves the touch effect. The processing is very flexible; in a highly integrated environment, the electromagnetic pen is given priority, noise is reduced at the same time, and two different input experience functions are realized, the thin touch display device, the preparation process is simplified, the production cost is reduced, and the electromagnetic capacitor is integrated One of the effects of simplifying the touch display panel.
附图说明Description of drawings
图1为本发明实施例一提供的一种触摸显示面板的结构示意图；FIG. 1 is a schematic structural diagram of a touch display panel provided by Embodiment 1 of the present invention;
图2为图1中提供的第一方向电极所在层的部分结构的俯视示意图；FIG. 2 is a schematic top view of a partial structure of the layer where the electrodes in the first direction are provided in FIG. 1;
图3为图1中提供的第二方向电极所在层的部分结构的俯视示意图；FIG. 3 is a schematic top view of a partial structure of the layer where the electrodes in the second direction are provided in FIG. 1;
图4a为本发明实施例二提供的一种触摸显示面板的结构示意图；FIG. 4a is a schematic structural diagram of a touch display panel provided by Embodiment 2 of the present invention;
图4b为本发明实施例二提供的另一种触摸显示面板的结构示意图；FIG. 4b is a schematic structural diagram of another touch display panel provided by Embodiment 2 of the present invention;
图5为本发明实施例三提供的一种触摸显示面板的结构示意图；FIG. 5 is a schematic structural diagram of a touch display panel provided by Embodiment 3 of the present invention;
图6为本发明实施例四提供的一种触摸显示面板的结构示意图；FIG. 6 is a schematic structural diagram of a touch display panel provided by Embodiment 4 of the present invention;
图7为本发明实施例五提供的一种触摸显示面板的结构示意图；FIG. 7 is a schematic structural diagram of a touch display panel provided by Embodiment 5 of the present invention;
图8为本发明实施例六提供的一种触摸显示面板的结构示意图；FIG. 8 is a schematic structural diagram of a touch display panel provided by Embodiment 6 of the present invention;
图9a为本发明实施例七提供的一种触摸显示面板的结构示意图；FIG. 9a is a schematic structural diagram of a touch display panel provided by Embodiment 7 of the present invention;
图9b为本发明实施例七提供的另一种触摸显示面板的结构示意图；FIG. 9b is a schematic structural diagram of another touch display panel provided by Embodiment 7 of the present invention;
图9c为本发明实施例七提供的再一种触摸显示面板的结构示意图；FIG. 9c is a schematic structural diagram of another touch display panel provided by Embodiment 7 of the present invention;
图9d为本发明实施例七提供的又一种触摸显示面板的结构示意图；FIG. 9d is a schematic structural diagram of another touch display panel provided by Embodiment 7 of the present invention;
图10a为本发明实施例八提供的一种触摸显示面板的驱动方法的流程示意图；FIG. 10a is a schematic flowchart of a driving method for a touch display panel provided by Embodiment 8 of the present invention;
图10b为本发明实施例八提供的另一种触摸显示面板的驱动方法的流程示意图。FIG. 10 b is a schematic flowchart of another driving method for a touch display panel provided by Embodiment 8 of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本发明，而非对本发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本发明相关的部分而非全部内容。The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.
需要说明的是，本发明实施例中，It should be noted that, in the embodiment of the present invention,
1.“X位于Y远离Z的一侧”和“X位于Y靠近Z的一侧”的含义仅仅表示X与Y离Z的远近位置关系，并不一定表示X完全覆盖Y，也不一定表示X直接接触Y。当然，X完全覆盖Y可以作为一种优选的实施方式，X直接接触Y也可以作为一种优选的实施方式。1. The meanings of "X is located on the side of Y away from Z" and "X is located on the side of Y close to Z" only indicate the distance between X and Y from Z, and it does not necessarily mean that X completely covers Y, nor does it necessarily mean that X directly touches Y. Of course, X completely covering Y can be regarded as a preferred implementation manner, and X directly contacting Y can also be regarded as a preferred implementation manner.
2.实施例及附图中所示的第一方向电极和第二方向电极的数量皆为举例，而非限定，只需满足触摸显示面板包括多条第一方向电极和多条第二方向电极即可，本领域技术人员可以按需设置其数量。2. The numbers of the electrodes in the first direction and the electrodes in the second direction shown in the embodiments and drawings are examples, not limitations, as long as the touch display panel includes multiple electrodes in the first direction and electrodes in the second direction That is, those skilled in the art can set the number as required.
实施例一Embodiment one
本实施例提供一种触摸显示面板，如图1、图2和图3所示，触摸显示面板1包括多条第一方向电极2和多条第二方向电极3，触摸显示面板1还包括相对设置的第一基板4和TFT阵列基板5，其中，第一方向电极2和第二方向电极3位于不同层，多条第一方向电极2位于第一基板4远离TFT阵列基板5的一侧，第二方向电极3位于第一基板4靠近TFT阵列基板5的一侧；触摸显示面板1还包括第一电容触摸检测单元C1、第一电磁触摸检测单元E1、第二电容触摸检测单元C2和第二电磁触摸检测单元E2，其中，第一电容触摸检测单元C1和第一电磁触摸检测单元E1电连接于第一方向电极2，第二电容触摸检测单元C2和第二电磁触摸检测单元E2电连接于第二方向电极3。This embodiment provides a touch display panel. As shown in FIG. 1, FIG. 2 and FIG. The first substrate 4 and the TFT array substrate 5 are provided, wherein the first direction electrodes 2 and the second direction electrodes 3 are located on different layers, and a plurality of first direction electrodes 2 are located on the side of the first substrate 4 away from the TFT array substrate 5, The second direction electrode 3 is located on the side of the first substrate 4 close to the TFT array substrate 5; the touch display panel 1 also includes a first capacitive touch detection unit C1, a first electromagnetic touch detection unit E1, a second capacitive touch detection unit C2 and a second capacitive touch detection unit C2. Two electromagnetic touch detection units E2, wherein the first capacitive touch detection unit C1 and the first electromagnetic touch detection unit E1 are electrically connected to the first direction electrode 2, and the second capacitive touch detection unit C2 is electrically connected to the second electromagnetic touch detection unit E2 electrode 3 in the second direction.
电容触摸检测时，每条第一方向电极2均被施加第一电容检测信号，每条第二方向电极3均被施加第二电容检测信号；During capacitive touch detection, each electrode 2 in the first direction is applied with a first capacitance detection signal, and each electrode 3 in the second direction is applied with a second capacitance detection signal;
电磁触摸检测，至少两条第一方向电极2电连接形成第一方向线圈，第一方向线圈被施加第一电磁检测信号，至少两条第二方向电极3电连接形成第二方向线圈，第二方向线圈被施加第二电磁检测信号。Electromagnetic touch detection, at least two first direction electrodes 2 are electrically connected to form a first direction coil, the first direction coil is applied with a first electromagnetic detection signal, at least two second direction electrodes 3 are electrically connected to form a second direction coil, and the second The direction coil is applied with the second electromagnetic detection signal.
进一步的，第一电磁触摸检测单元E1包括多个第一引脚pin1和多个第一引脚pin2，第二电磁触摸检测单元E2包括多个第三引脚pin3和多个第四引脚pin4。Further, the first electromagnetic touch detection unit E1 includes a plurality of first pins pin1 and a plurality of first pins pin2, and the second electromagnetic touch detection unit E2 includes a plurality of third pins pin3 and a plurality of fourth pins pin4 .
进一步的，每条第一方向电极2的第一端a连接于相应的一个第一引脚pin1；Further, the first end a of each first direction electrode 2 is connected to a corresponding first pin pin1;
每条第一方向电极2的第二端b连接于相应的一个第一引脚pin2；The second end b of each first direction electrode 2 is connected to a corresponding first pin pin2;
每条第一方向电极2的第二端b还连接于第一电容触摸检测单元C1(在其他实施例中，也可以是每条第一方向电极的第一端还连接于第一电容触摸检测单元C1)；The second end b of each first direction electrode 2 is also connected to the first capacitive touch detection unit C1 (in other embodiments, it may also be that the first end of each first direction electrode is also connected to the first capacitive touch detection unit C1 cell C1);
每条第二方向电极3的第一端a连接于相应的一个第三引脚pin3；The first end a of each second direction electrode 3 is connected to a corresponding third pin pin3;
每条第二方向电极3的第二端b连接于相应的一个第四引脚pin4；The second end b of each second direction electrode 3 is connected to a corresponding fourth pin pin4;
每条第二方向电极3的第二端b还连接于第二电容触摸检测单元C2(在其他实施例中，也可以是每条第二方向电极的第一端还连接于第二电容触摸检测单元C2)。The second end b of each second direction electrode 3 is also connected to the second capacitive touch detection unit C2 (in other embodiments, it may also be that the first end of each second direction electrode is also connected to the second capacitive touch detection unit C2 Unit C2).
进一步的，进行电容触摸检测时，第一方向电极2作为驱动电极或感应电极，第二方向电极3作为感应电极或驱动电极。Further, when performing capacitive touch detection, the first direction electrodes 2 serve as driving electrodes or sensing electrodes, and the second direction electrodes 3 serve as sensing electrodes or driving electrodes.
具体的，每条第一方向电极2通过第一方向电极2的第二端b而被施加第一电容检测信号，以确定触摸位置的第二方向坐标(在其他实施例中，也可以是每条第一方向电极2通过第一方向电极2的第一端a而被施加第一电容检测信号，以确定触摸位置的第二方向坐标)；Specifically, each first direction electrode 2 is applied with the first capacitive detection signal through the second terminal b of the first direction electrode 2, so as to determine the second direction coordinates of the touch position (in other embodiments, each The first direction electrode 2 is applied with the first capacitive detection signal through the first end a of the first direction electrode 2, so as to determine the second direction coordinate of the touch position);
每条第二方向电极3通过第二方向电极3的第二端b而被施加第二电容检测信号，以确定触摸位置的第一方向坐标(在其他实施例中，也可以是每条第二方向电极3通过第二方向电极3的第一端a而被施加第二电容检测信号，以确定触摸位置的第一方向坐标)；Each second direction electrode 3 is applied with a second capacitive detection signal through the second end b of the second direction electrode 3, so as to determine the first direction coordinates of the touch position (in other embodiments, each second direction electrode can also be The direction electrode 3 is applied with the second capacitive detection signal through the first end a of the second direction electrode 3, so as to determine the first direction coordinate of the touch position);
进行电磁触摸检测时，具体为：When performing electromagnetic touch detection, specifically:
两条第一方向电极2的第一引脚pin1短接(亦即两条第一方向电极2的第一引脚pin1电性连接)，以使得两条第一方向电极2电连接形成第一方向线圈，第一方向线圈通过两个第一引脚pin2接收第一电磁检测信号，以确定触摸位置的第二方向坐标；The first pins pin1 of the two first direction electrodes 2 are short-circuited (that is, the first pins of the two first direction electrodes 2 are electrically connected), so that the two first direction electrodes 2 are electrically connected to form a first A direction coil, the first direction coil receives the first electromagnetic detection signal through the two first pins pin2 to determine the second direction coordinates of the touch position;
两条第二方向电极3的第三引脚pin3短接(亦即两条两条第二方向电极3的第三引脚pin3电性连接)，以使得两条第二方向电极3电连接形成第二方向线圈，第二方向线圈通过两个第四引脚pin4接收第二电磁检测信号，以确定触摸位置的第一方向坐标。The third pins pin3 of the two second-direction electrodes 3 are short-circuited (that is, the third pins of the two second-direction electrodes 3 are electrically connected), so that the two second-direction electrodes 3 are electrically connected to form The second direction coil, the second direction coil receives the second electromagnetic detection signal through the two fourth pins pin4 to determine the first direction coordinates of the touch position.
进一步的，第一方向电极2与栅极线、数据线、公共电极、公共电极线或导电黑矩阵位于同一层，第一方向电极2，第二方向电极3与栅极线、数据线、公共电极、公共电极线或导电黑矩阵位于同一层，且第一方向电极和第二方向电极互相独立。Further, the first direction electrode 2 is located on the same layer as the gate line, data line, common electrode, common electrode line or conductive black matrix, and the first direction electrode 2 and the second direction electrode 3 are connected to the gate line, data line, common electrode, etc. The electrodes, the common electrode lines or the conductive black matrix are located on the same layer, and the electrodes in the first direction and the electrodes in the second direction are independent of each other.
进一步的，第一方向电极2采用透明导电材料、金属或者透明导电材料与金属的叠层；第二方向电极3采用透明导电材料、金属或者透明导电材料与金属的叠层。Further, the electrodes 2 in the first direction are made of a transparent conductive material, metal, or a laminate of a transparent conductive material and metal; the electrodes 3 of the second direction are made of a transparent conductive material, metal, or a laminate of a transparent conductive material and a metal.
进一步的，第一方向电极2在TFT阵列基板5上的投影涵盖至少一行像素；Further, the projection of the first direction electrode 2 on the TFT array substrate 5 covers at least one row of pixels;
第二方向电极3在TFT阵列基板5上的投影涵盖至少一列像素。The projection of the second direction electrode 3 on the TFT array substrate 5 covers at least one column of pixels.
进一步的，触摸显示面板1还包括至少一个预检电极线圈6，用于检测是否有电磁笔靠近触摸显示面板1，预检电极线圈6的一端接地，预检电极线圈6的另一端电连接于预检模块U而被施加电磁预检信号。Further, the touch display panel 1 also includes at least one pre-inspection electrode coil 6, which is used to detect whether an electromagnetic pen approaches the touch display panel 1, one end of the pre-inspection electrode coil 6 is grounded, and the other end of the pre-inspection electrode coil 6 is electrically connected to the The pre-check module U is given an electromagnetic pre-check signal.
进一步的，预检电极线圈6与第一方向电极2位于同一层，Further, the pre-test electrode coil 6 is located on the same layer as the first direction electrode 2,
或者，预检电极线圈6与第二方向位于同一层。Alternatively, the pre-inspection electrode coil 6 is located on the same layer as the second direction.
本发明实施例通过设置触摸显示面板包括多条第一方向电极和多条第二方向电极，电容触摸检测时，每条所述第一方向电极均被施加第一电容检测信号，每条所述第二方向电极均被施加第二电容检测信号；电磁触摸检测，所述至少两条第一方向电极电连接形成第一方向线圈，所述第一方向线圈被施加第一电磁检测信号，所述至少两条第二方向电极电连接形成第二方向线圈，所述第二方向线圈被施加第二电磁检测信号，至少达到如下的有益效果之一：可以提高触摸效果,减小噪声，增加报点的准确性，边框窄化，如此，则边框留余变大，则边框处的走线可以做的宽些，如此降低了走线的电阻；满足电磁触摸电极低阻要求，提高了触摸效果，处理起来灵活性很高；在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，薄型化触摸显示装置，简化制备流程，降低生产成本，电磁电容一体化触摸显示面板的效果之一。具体如下，In the embodiment of the present invention, the touch display panel includes a plurality of electrodes in the first direction and a plurality of electrodes in the second direction. The second direction electrodes are all applied with the second capacitance detection signal; for electromagnetic touch detection, the at least two first direction electrodes are electrically connected to form a first direction coil, and the first direction coil is applied with the first electromagnetic detection signal, and the first direction coil is applied with the first electromagnetic detection signal. At least two second direction electrodes are electrically connected to form a second direction coil, and the second direction coil is applied with a second electromagnetic detection signal, so as to achieve at least one of the following beneficial effects: it can improve touch effect, reduce noise, and increase reporting points The accuracy of the frame is narrowed. In this way, the margin of the frame becomes larger, and the wiring at the frame can be made wider, which reduces the resistance of the wiring; meets the low resistance requirements of the electromagnetic touch electrode, and improves the touch effect. The processing is very flexible; in a highly integrated environment, the electromagnetic pen is given priority, noise is reduced at the same time, and two different input experience functions are realized, the thin touch display device, the preparation process is simplified, the production cost is reduced, and the electromagnetic capacitor is integrated One of the effects of simplifying the touch display panel. details as follows,
1.一个方向的电极在盒内(即一个方向的电极位于第一基板和TFT阵列基板之间)，与显示分时工作，另一个方向的电极在盒外(即另一个方向的电极位于第一基板和TFT阵列基板之外)，不用与显示分时工作，如此，降低了与显示时的信号的互相干扰，可以提高触摸效果,增加报点的准确性。1. The electrodes in one direction are inside the box (that is, the electrodes in one direction are located between the first substrate and the TFT array substrate), and work in time-sharing with the display, and the electrodes in the other direction are outside the box (that is, the electrodes in the other direction are located in the first One substrate and TFT array substrate), do not need to work with the display time-sharing, so that the mutual interference with the display signal is reduced, the touch effect can be improved, and the accuracy of the reporting point can be increased.
2.边框窄化——两个方向的电极在不同层，减少单层上走线数量实现窄边框；如此，则边框留余变大，则边框处的走线可以做的宽些，也降低了走线的电阻，如此，可以进一步提高触摸效果,增加报点的准确性。2. Frame narrowing—the electrodes in the two directions are on different layers, reducing the number of traces on a single layer to achieve a narrow frame; in this way, the margin of the frame becomes larger, and the traces at the frame can be made wider and reduced. The resistance of the wiring is reduced, so that the touch effect can be further improved and the accuracy of reporting points can be increased.
3.触摸电极低阻要求——第一方向电极位于第一基板和TFT阵列基板之外，且可以用透明导电材料来制作第一方向电极；第二方向的电极位于第一基板和TFT阵列基板之间，且可以用金属来制作第二方向的电极，电阻较小，如此，也提高了触摸效果。3. Low-resistance requirements for touch electrodes—the electrodes in the first direction are located outside the first substrate and the TFT array substrate, and transparent conductive materials can be used to make the electrodes in the first direction; the electrodes in the second direction are located on the first substrate and the TFT array substrate Between, and can use the metal to make the electrode of the second direction, the resistance is small, like this, also improved touch effect.
4.两个方向电极实际上是同理的，处理起来灵活性很高，在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，4. The two direction electrodes are actually the same, and the processing flexibility is very high. In a highly integrated environment, the electromagnetic pen is given priority, while reducing noise, and realizing two different input experience functions.
5.薄型化触摸显示装置，电磁电容一体化，可以薄型化触摸显示装置，简化制备流程，降低生产成本。5. The thin touch display device and the integration of electromagnetic capacitors can make the touch display device thinner, simplify the preparation process and reduce the production cost.
实施例二Embodiment two
如图4a和图4b所示，实施例二提供一种触摸显示面板1，本实施例二与实施例一相同的部分不再重述，本实施例二与实施例一的区别在于：第一方向电极2和第二方向电极3均位于TFT阵列基板5和第一基板4之间。As shown in Fig. 4a and Fig. 4b, Embodiment 2 provides a touch display panel 1. The same parts of Embodiment 2 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is: first Both the direction electrode 2 and the second direction electrode 3 are located between the TFT array substrate 5 and the first substrate 4 .
实施例三Embodiment three
如图5所示，实施例三提供一种触摸显示面板1，本实施例三与实施例一相同的部分不再重述，本实施例二与实施例一的区别在于：触摸显示面板1还包括一绝缘材料层41，位于第一方向电极2和第二方向电极3之间，且第一方向电极2和第二方向电极3均位于第一基板4远离TFT阵列基板5的一侧。As shown in FIG. 5 , Embodiment 3 provides a touch display panel 1 , and the same parts of Embodiment 3 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is that the touch display panel 1 also It includes an insulating material layer 41 located between the first direction electrode 2 and the second direction electrode 3 , and both the first direction electrode 2 and the second direction electrode 3 are located on the side of the first substrate 4 away from the TFT array substrate 5 .
实施例四Embodiment Four
如图6所示，实施例四提供一种触摸显示面板1，本实施例四与实施例一相同的部分不再重述，本实施例二与实施例一的区别在于：触摸显示面板1还包括一绝缘材料层41，位于第一方向电极2和第二方向电极3之间，且第一方向电极2和第二方向电极3均位于TFT阵列基板5远离第一基板4的一侧。As shown in FIG. 6 , Embodiment 4 provides a touch display panel 1 . The same parts of Embodiment 4 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is that the touch display panel 1 also It includes an insulating material layer 41 located between the first direction electrode 2 and the second direction electrode 3 , and both the first direction electrode 2 and the second direction electrode 3 are located on the side of the TFT array substrate 5 away from the first substrate 4 .
实施例五Embodiment five
如图7所示，实施例五提供一种触摸显示面板1，本实施例五与实施例一相同的部分不再重述，本实施例二与实施例一的区别在于：多条第一方向电极2位于第一基板4远离TFT阵列基板5的一侧，第二方向电极3位于TFT阵列基板5靠近第一基板4的一侧；As shown in Figure 7, Embodiment 5 provides a touch display panel 1. The same parts of Embodiment 5 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is: multiple first directions The electrode 2 is located on the side of the first substrate 4 away from the TFT array substrate 5, and the second direction electrode 3 is located on the side of the TFT array substrate 5 close to the first substrate 4;
实施例六Embodiment six
如图8所示，实施例六提供一种触摸显示面板1，本实施例六与实施例一相同的部分不再重述，本实施例二与实施例一的区别在于：多条第一方向电极2位于第一基板4远离TFT阵列基板5的一侧，多条第二方向电极3位于TFT阵列基板5远离第一基板4的一侧。As shown in Figure 8, Embodiment 6 provides a touch display panel 1. The same parts of Embodiment 6 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is: multiple first directions The electrodes 2 are located on the side of the first substrate 4 away from the TFT array substrate 5 , and the plurality of electrodes 3 in the second direction are located on the side of the TFT array substrate 5 away from the first substrate 4 .
实施例七Embodiment seven
如图9a-图9d所示，实施例七提供一种触摸显示面板1，本实施例七与实施例一相同的部分不再重述，本实施例二与实施例一的区别在于：第一方向电极2和第二方向电极3位于同一层。As shown in Figures 9a-9d, Embodiment 7 provides a touch display panel 1. The same parts of Embodiment 7 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is: first The direction electrode 2 and the second direction electrode 3 are located on the same layer.
具体的，如图9a和图9b所示，第一方向电极2和第二方向电极3均位于TFT阵列基板5和第一基板4之间，或者，如图9c所示，第一方向电极2和第二方向电极3均位于第一基板4远离TFT阵列基板5的一侧，或者，如图9d所示，第一方向电极2和第二方向电极3均位于TFT阵列基板5远离第一基板4的一侧。Specifically, as shown in Figure 9a and Figure 9b, the first direction electrode 2 and the second direction electrode 3 are located between the TFT array substrate 5 and the first substrate 4, or, as shown in Figure 9c, the first direction electrode 2 and the second direction electrode 3 are located on the side of the first substrate 4 away from the TFT array substrate 5, or, as shown in Figure 9d, the first direction electrode 2 and the second direction electrode 3 are located on the TFT array substrate 5 away from the first substrate 4 on one side.
实施例八Embodiment eight
本发明实施例还提供一种触摸显示面板的驱动方法，其中，触摸显示面板采用实施例一至七中任一项所述的触摸显示面板，本实施例的驱动方法以实施例一中触摸显示面板的驱动方法为例来说明，实施例二至七中任一项所述的触摸显示面板的驱动方法皆与实施例一中触摸显示面板的驱动方法相同，在此不再赘述。An embodiment of the present invention also provides a driving method for a touch display panel, wherein the touch display panel adopts the touch display panel described in any one of Embodiments 1 to 7, and the driving method of this embodiment is based on the touch display panel in Embodiment 1. The driving method of the touch display panel is described as an example. The driving method of the touch display panel in any one of the second to seventh embodiments is the same as the driving method of the touch display panel in the first embodiment, and will not be repeated here.
具体来说，如图2、图3、图10a和图10b所示，触摸显示面板1包括电容触摸检测模块、电磁触摸检测模块和预检模块U，电容触摸检测模块包括第一电容触摸检测单元C1和第二电容触摸检测单元C2，电磁触摸检测模块包括第一电磁触摸检测单元E1和第二电磁触摸检测单元E2，触摸显示面板的驱动方法包括：Specifically, as shown in Figure 2, Figure 3, Figure 10a and Figure 10b, the touch display panel 1 includes a capacitive touch detection module, an electromagnetic touch detection module and a pre-check module U, and the capacitive touch detection module includes a first capacitive touch detection unit C1 and the second capacitive touch detection unit C2, the electromagnetic touch detection module includes the first electromagnetic touch detection unit E1 and the second electromagnetic touch detection unit E2, the driving method of the touch display panel includes:
步骤一，预检模块U施加电磁预检信号给电磁预检线圈，用于检测是否有电磁笔靠近触摸显示面板；Step 1, the pre-check module U applies an electromagnetic pre-check signal to the electromagnetic pre-check coil to detect whether an electromagnetic pen is close to the touch display panel;
步骤二，电磁笔靠近触摸显示面板时，进行电磁触摸检测；或者，Step 2, when the electromagnetic pen is close to the touch display panel, the electromagnetic touch detection is performed; or,
没有电磁笔靠近触摸显示面板时，电磁触摸检测模块施加一个触发信号7给电容触摸检测模块，进行电容触摸检测。When no electromagnetic pen approaches the touch display panel, the electromagnetic touch detection module applies a trigger signal 7 to the capacitive touch detection module to perform capacitive touch detection.
进一步的，电磁笔靠近触摸显示面板时，进行电磁触摸检测具体包括：Further, when the electromagnetic pen approaches the touch display panel, the electromagnetic touch detection specifically includes:
进行至少1次粗略电磁触摸检测，直至完成触摸位置初检，以初步确定触摸位置的范围；Carry out at least one rough electromagnetic touch detection until the initial detection of the touch position is completed, so as to preliminarily determine the scope of the touch position;
进行至少2次精细电磁触摸检测，以精确确定触摸位置的坐标，然后进行数据处理和输出相关触摸位置的坐标；Perform at least 2 fine electromagnetic touch detections to accurately determine the coordinates of the touch location, then perform data processing and output the coordinates of the relevant touch location;
或者，电磁笔靠近触摸显示面板时，进行电磁触摸检测具体包括：Alternatively, when the electromagnetic pen is close to the touch display panel, the electromagnetic touch detection specifically includes:
进行至少1次粗略电磁触摸检测，以初步确定触摸位置的范围；Conduct at least one rough electromagnetic touch detection to preliminarily determine the scope of the touch location;
进行至少1次精细电磁触摸检测，以精确确定电磁笔触摸位置的坐标；以及Conduct at least 1 fine electromagnetic touch detection to precisely determine the coordinates of the electromagnetic pen touch location; and
步骤三，电磁触摸检测模块施加一个触发信号7给电容触摸检测模块，进行至少1次电容触摸检测，以确定触摸位置的坐标；Step 3, the electromagnetic touch detection module applies a trigger signal 7 to the capacitive touch detection module, and performs at least one capacitive touch detection to determine the coordinates of the touch position;
需要说明的是，粗略电磁触摸检测和精细电磁触摸检测皆为本领域技术人员熟知的技术，本实施例在此不再详细赘述。It should be noted that both coarse electromagnetic touch detection and fine electromagnetic touch detection are technologies well known to those skilled in the art, and will not be described in detail in this embodiment.
本发明实施例通过设置触摸显示面板包括多条第一方向电极和多条第二方向电极，电容触摸检测时，每条所述第一方向电极均被施加第一电容检测信号，每条所述第二方向电极均被施加第二电容检测信号；电磁触摸检测，所述至少两条第一方向电极电连接形成第一方向线圈，所述第一方向线圈被施加第一电磁检测信号，所述至少两条第二方向电极电连接形成第二方向线圈，所述第二方向线圈被施加第二电磁检测信号，至少达到如下的有益效果之一：可以提高触摸效果,减小噪声，增加报点的准确性，边框窄化，如此，则边框留余变大，则边框处的走线可以做的宽些，如此降低了走线的电阻；满足电磁触摸电极低阻要求，提高了触摸效果，处理起来灵活性很高；在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，薄型化触摸显示装置，简化制备流程，降低生产成本，电磁电容一体化触摸显示面板的效果之一。具体如下，In the embodiment of the present invention, the touch display panel includes a plurality of electrodes in the first direction and a plurality of electrodes in the second direction. The second direction electrodes are all applied with the second capacitance detection signal; for electromagnetic touch detection, the at least two first direction electrodes are electrically connected to form a first direction coil, and the first direction coil is applied with the first electromagnetic detection signal, and the first direction coil is applied with the first electromagnetic detection signal. At least two second direction electrodes are electrically connected to form a second direction coil, and the second direction coil is applied with a second electromagnetic detection signal, so as to achieve at least one of the following beneficial effects: it can improve touch effect, reduce noise, and increase reporting points The accuracy of the frame is narrowed. In this way, the margin of the frame becomes larger, and the wiring at the frame can be made wider, which reduces the resistance of the wiring; meets the low resistance requirements of the electromagnetic touch electrode, and improves the touch effect. The processing is very flexible; in a highly integrated environment, the electromagnetic pen is given priority, noise is reduced at the same time, and two different input experience functions are realized, the thin touch display device, the preparation process is simplified, the production cost is reduced, and the electromagnetic capacitor is integrated One of the effects of simplifying the touch display panel. details as follows,
1.一个方向的电极在盒内(即一个方向的电极位于第一基板和TFT阵列基板之间)，与显示分时工作，另一个方向的电极在盒外(即另一个方向的电极位于第一基板和TFT阵列基板之外)，不用与显示分时工作，如此，降低了与显示时的信号的互相干扰，可以提高触摸效果,增加报点的准确性。1. The electrodes in one direction are inside the box (that is, the electrodes in one direction are located between the first substrate and the TFT array substrate), and work in time-sharing with the display, and the electrodes in the other direction are outside the box (that is, the electrodes in the other direction are located in the first One substrate and TFT array substrate), do not need to work with the display time-sharing, so that the mutual interference with the display signal is reduced, the touch effect can be improved, and the accuracy of the reporting point can be increased.
2.边框窄化——两个方向的电极在不同层，减少单层上走线数量实现窄边框；如此，则边框留余变大，则边框处的走线可以做的宽些，也降低了走线的电阻，如此，可以进一步提高触摸效果,增加报点的准确性。2. Frame narrowing—the electrodes in the two directions are on different layers, reducing the number of traces on a single layer to achieve a narrow frame; in this way, the margin of the frame becomes larger, and the traces at the frame can be made wider and reduced. The resistance of the wiring is reduced, so that the touch effect can be further improved and the accuracy of reporting points can be increased.
3.触摸电极低阻要求——第一方向电极位于第一基板和TFT阵列基板之外，且可以用透明导电材料来制作第一方向电极；第二方向的电极位于第一基板和TFT阵列基板之间，且可以用金属来制作第二方向的电极，电阻较小，如此，也提高了触摸效果。3. Low-resistance requirements for touch electrodes—the electrodes in the first direction are located outside the first substrate and the TFT array substrate, and transparent conductive materials can be used to make the electrodes in the first direction; the electrodes in the second direction are located on the first substrate and the TFT array substrate Between, and can use the metal to make the electrode of the second direction, the resistance is small, like this, also improved touch effect.
4.两个方向电极实际上是同理的，处理起来灵活性很高，在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，4. The two direction electrodes are actually the same, and the processing flexibility is very high. In a highly integrated environment, the electromagnetic pen is given priority, while reducing noise, and realizing two different input experience functions.
5.薄型化触摸显示装置，电磁电容一体化，可以薄型化触摸显示装置，简化制备流程，降低生产成本。5. The thin touch display device and the integration of electromagnetic capacitors can make the touch display device thinner, simplify the preparation process and reduce the production cost.
实施例九Embodiment nine
本发明实施例还一种触摸显示装置(未图示)，包括触摸显示面板，其中，触摸显示面板采用实施例一至七中任一项所述的触摸显示面板，触摸显示面板的驱动方法采用实施例八所述的触摸显示面板的驱动方法。触摸显示装置包括但不限于液晶显示装置或有机发光显示装置。An embodiment of the present invention is also a touch display device (not shown), including a touch display panel, wherein the touch display panel adopts the touch display panel described in any one of Embodiments 1 to 7, and the driving method of the touch display panel adopts the implementation The driving method of the touch display panel described in Example 8. Touch display devices include but are not limited to liquid crystal display devices or organic light emitting display devices.
综上，本发明实施例通过设置触摸显示面板包括多条第一方向电极和多条第二方向电极，电容触摸检测时，每条所述第一方向电极均被施加第一电容检测信号，每条所述第二方向电极均被施加第二电容检测信号；电磁触摸检测，所述至少两条第一方向电极电连接形成第一方向线圈，所述第一方向线圈被施加第一电磁检测信号，所述至少两条第二方向电极电连接形成第二方向线圈，所述第二方向线圈被施加第二电磁检测信号，至少达到如下的有益效果之一：可以提高触摸效果,减小噪声，增加报点的准确性，边框窄化，如此，则边框留余变大，则边框处的走线可以做的宽些，如此降低了走线的电阻；满足电磁触摸电极低阻要求，提高了触摸效果，处理起来灵活性很高；在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，薄型化触摸显示装置，简化制备流程，降低生产成本，电磁电容一体化触摸显示面板的效果之一。具体如下，To sum up, in the embodiment of the present invention, the touch display panel includes a plurality of electrodes in the first direction and a plurality of electrodes in the second direction. Each of the second direction electrodes is applied with a second capacitance detection signal; for electromagnetic touch detection, the at least two first direction electrodes are electrically connected to form a first direction coil, and the first direction coil is applied with a first electromagnetic detection signal , the at least two second direction electrodes are electrically connected to form a second direction coil, the second direction coil is applied with a second electromagnetic detection signal, at least one of the following beneficial effects can be achieved: the touch effect can be improved, the noise can be reduced, Increase the accuracy of reporting points and narrow the frame. In this way, the margin of the frame becomes larger, and the wiring at the frame can be made wider, which reduces the resistance of the wiring; meets the low resistance requirements of electromagnetic touch electrodes, and improves The touch effect has high flexibility in processing; in a highly integrated environment, the electromagnetic pen is given priority, while noise is reduced, and two different input experience functions are realized. The thin touch display device simplifies the preparation process and reduces production costs. One of the effects of the electromagnetic capacitance integrated touch display panel. details as follows,
1.一个方向的电极在盒内(即一个方向的电极位于第一基板和TFT阵列基板之间)，与显示分时工作，另一个方向的电极在盒外(即另一个方向的电极位于第一基板和TFT阵列基板之外)，不用与显示分时工作，如此，降低了与显示时的信号的互相干扰，可以提高触摸效果,增加报点的准确性。1. The electrodes in one direction are inside the box (that is, the electrodes in one direction are located between the first substrate and the TFT array substrate), and work in time-sharing with the display, and the electrodes in the other direction are outside the box (that is, the electrodes in the other direction are located in the first One substrate and TFT array substrate), do not need to work with the display time-sharing, so that the mutual interference with the display signal is reduced, the touch effect can be improved, and the accuracy of the reporting point can be increased.
2.边框窄化——两个方向的电极在不同层，减少单层上走线数量实现窄边框；如此，则边框留余变大，则边框处的走线可以做的宽些，也降低了走线的电阻，如此，可以进一步提高触摸效果,增加报点的准确性。2. Frame narrowing—the electrodes in the two directions are on different layers, reducing the number of traces on a single layer to achieve a narrow frame; in this way, the margin of the frame becomes larger, and the traces at the frame can be made wider and reduced. The resistance of the wiring is reduced, so that the touch effect can be further improved and the accuracy of reporting points can be increased.
3.触摸电极低阻要求——第一方向电极位于第一基板和TFT阵列基板之外，且可以用透明导电材料来制作第一方向电极；第二方向的电极位于第一基板和TFT阵列基板之间，且可以用金属来制作第二方向的电极，电阻较小，如此，也提高了触摸效果。3. Low-resistance requirements for touch electrodes—the electrodes in the first direction are located outside the first substrate and the TFT array substrate, and transparent conductive materials can be used to make the electrodes in the first direction; the electrodes in the second direction are located on the first substrate and the TFT array substrate Between, and can use the metal to make the electrode of the second direction, the resistance is small, like this, also improved touch effect.
4.两个方向电极实际上是同理的，处理起来灵活性很高，在高集成度环境下，实现电磁笔优先，同时减小噪声，并实现两种不同输入体验功能，4. The two direction electrodes are actually the same, and the processing flexibility is very high. In a highly integrated environment, the electromagnetic pen is given priority, while reducing noise, and realizing two different input experience functions.
5.薄型化触摸显示装置，电磁电容一体化，可以薄型化触摸显示装置，简化制备流程，降低生产成本。5. The thin touch display device and the integration of electromagnetic capacitors can make the touch display device thinner, simplify the preparation process and reduce the production cost.
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.
| Application Number | Priority Date | Filing Date | Title |
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| CN201410286542.XACN104156128B (en) | 2014-06-24 | 2014-06-24 | Touch display panel, driving method thereof and touch display device |
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| CN201410286542.XACN104156128B (en) | 2014-06-24 | 2014-06-24 | Touch display panel, driving method thereof and touch display device |
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