CN114442850A - Display panel and touch method thereof - Google Patents

Abstract

The application discloses display panel and touch method thereof, wherein the display panel comprises: a touch display substrate, a haptic feedback substrate and an actuator; the tactile feedback substrate and the actuator are positioned on the same side and/or two opposite sides of the touch display substrate, and the tactile feedback substrate is positioned on the display side of the touch display substrate; the haptic feedback substrate is used to generate electrostatic haptic feedback and the actuator is used to generate vibrotactile feedback. The display panel can realize electrostatic tactile feedback and vibration tactile feedback by itself without an external electrostatic tactile feedback part and a vibration tactile feedback part, so that the electronic equipment adopting the display panel does not need to be provided with the electrostatic tactile feedback part and the vibration tactile feedback part independently, and the display panel can meet the requirement of developing towards the light and thin direction.

Description

Translated fromChinese

显示面板及其触控方法Display panel and touch method thereof

技术领域technical field

本发明一般涉及显示技术领域，具体涉及一种显示面板及其触控方法。The present invention generally relates to the field of display technology, and in particular, to a display panel and a touch control method thereof.

背景技术Background technique

触控显示屏幕，可以为使用者提供更加直接的操作体验，使用者通过在触控显示屏幕上进行触控，来实现对具备触控显示屏幕的设备进行操作、数据输入、控制等。The touch display screen can provide the user with a more direct operation experience. The user can operate, input data, and control the device with the touch display screen by touching the touch display screen.

然而，由于使用者是直接在触控显示屏幕上进行操作的，其缺少触觉反馈，为了解决该问题，目前大多在具备触控显示屏幕的设备内设置偏心电机，在进行触控时，偏心电机工作以提供一定的振动形式的触觉反馈。但是，随着现实技术的进步，以及电子设备，特别是可移动电子设备(诸如手机、平板电脑等)向轻薄化方向发展的需求，采用偏心电机来进行触控的触觉反馈已经不能满足技术发展的需要。However, since the user operates directly on the touch display screen, it lacks tactile feedback. In order to solve this problem, eccentric motors are currently installed in devices with touch display screens. Works to provide haptic feedback in the form of certain vibrations. However, with the advancement of real technology and the demand for thinner and lighter electronic devices, especially mobile electronic devices (such as mobile phones, tablet computers, etc.), tactile feedback using eccentric motors for touch can no longer meet technological development. needs.

发明内容SUMMARY OF THE INVENTION

本申请期望提供一种显示面板及其触控方法，用于解决现有技术中通过偏心电机进行触觉反馈，不利于电子设备向轻薄化方向发展的需求的问题。The present application desires to provide a display panel and a touch control method thereof, which are used to solve the problem in the prior art that tactile feedback is performed by an eccentric motor, which is not conducive to the development of electronic devices in a light and thin direction.

第一方面，本发明提供一种显示面板，包括：触控显示基板、触觉反馈基板及致动器；In a first aspect, the present invention provides a display panel, comprising: a touch display substrate, a haptic feedback substrate, and an actuator;

所述触觉反馈基板和所述致动器位于所述触控显示基板的同一侧和/或相背的两侧，且所述触觉反馈基板位于所述触控显示基板的显示侧；The haptic feedback substrate and the actuator are located on the same side and/or opposite sides of the touch display substrate, and the haptic feedback substrate is located on the display side of the touch display substrate;

所述触觉反馈基板用于产生静电触觉反馈，所述致动器用于产生振动触觉反馈。The haptic feedback substrate is used for generating electrostatic haptic feedback, and the actuator is used for generating vibration haptic feedback.

作为可实现方式，所述触控显示基板包括触控电路层，所述触控电路层包括依次层叠设置的接收电极层、第一绝缘层和驱动电极层；As an achievable manner, the touch display substrate includes a touch circuit layer, and the touch circuit layer includes a receiving electrode layer, a first insulating layer and a driving electrode layer that are stacked in sequence;

所述接收电极层包括多条平行间隔设置的接收电极；The receiving electrode layer includes a plurality of receiving electrodes arranged in parallel and spaced apart;

所述驱动电极层包括多条平行间隔设置的驱动电极；The driving electrode layer includes a plurality of driving electrodes arranged in parallel and spaced apart;

所述接收电极与所述驱动电极交叉设置。The receiving electrodes and the driving electrodes are arranged to cross each other.

作为可实现方式，所述触觉反馈基板包括依次层叠设置的触觉电极层及绝缘保护层；As an achievable manner, the tactile feedback substrate includes a tactile electrode layer and an insulating protective layer that are stacked in sequence;

所述触觉电极层包括多条平行间隔设置的触觉电极，所述触觉电极与所述驱动电极平行设置，且所述触觉电极层与所述接收电极层分置于所述驱动电极层的两侧；或者，The tactile electrode layer includes a plurality of tactile electrodes arranged in parallel and spaced apart, the tactile electrodes are arranged in parallel with the driving electrodes, and the tactile electrode layer and the receiving electrode layer are located on both sides of the driving electrode layer ;or,

所述触觉电极层包括作为触觉电极的网格电极，所述触觉电极层与所述接收电极层分置于所述驱动电极层的两侧；所述网格电极的镂空面积为交叉设置的所述接收电极与所述驱动电极形成的镂空面积的80％-90％。The tactile electrode layer includes grid electrodes as tactile electrodes, and the tactile electrode layer and the receiving electrode layer are located on both sides of the driving electrode layer; 80%-90% of the hollow area formed by the receiving electrode and the driving electrode.

作为可实现方式，在垂直于所述触控显示基板的显示面的投影方向上，所述触觉电极与所述驱动电极至少部分重合。As an achievable manner, in a projection direction perpendicular to the display surface of the touch display substrate, the tactile electrodes and the driving electrodes at least partially overlap.

作为可实现方式，所述触控显示基板包括触控电路层，所述触控电路层包括依次层叠设置的接收电极层、第一绝缘层和驱动电极层；As an achievable manner, the touch display substrate includes a touch circuit layer, and the touch circuit layer includes a receiving electrode layer, a first insulating layer and a driving electrode layer that are stacked in sequence;

所述驱动电极层包括作为驱动电极的网格电极；the drive electrode layer includes grid electrodes as drive electrodes;

所述触觉反馈基板包括依次层叠设置的触觉电极层及绝缘保护层；The tactile feedback substrate includes a tactile electrode layer and an insulating protective layer that are stacked in sequence;

所述触觉电极层包括作为触觉电极的透明面电极；The tactile electrode layer includes a transparent surface electrode as a tactile electrode;

所述网格电极与所述透明面电极的电极重叠面积大于等于60％；The electrode overlapping area of the grid electrode and the transparent surface electrode is greater than or equal to 60%;

或者，所述触控显示基板包括触控电路层，所述触控电路层包括依次层叠设置的接收电极层、第一绝缘层和驱动电极层；Alternatively, the touch display substrate includes a touch circuit layer, and the touch circuit layer includes a receiving electrode layer, a first insulating layer and a driving electrode layer that are stacked in sequence;

所述驱动电极层包括驱动电极；the drive electrode layer includes a drive electrode;

所述触觉反馈基板包括依次层叠设置的触觉电极层及绝缘保护层；The tactile feedback substrate includes a tactile electrode layer and an insulating protective layer that are stacked in sequence;

所述触觉电极层包括触觉电极；the tactile electrode layer includes tactile electrodes;

所述驱动电极与所述触觉电极均为网格电极，且所述驱动电极与所述触觉电极的电极重叠面积大于等于80％。The driving electrodes and the tactile electrodes are both grid electrodes, and the electrode overlapping area of the driving electrodes and the tactile electrodes is greater than or equal to 80%.

作为可实现方式，所述致动器总面积占所述显示面板总面积比为5％-30％；或者；所述致动器排列密度为5-50个/平方毫米。As an achievable manner, the ratio of the total area of the actuators to the total area of the display panel is 5%-30%; or; the arrangement density of the actuators is 5-50 per square millimeter.

作为可实现方式，所述触控显示基板包括显示区和位于显示区周围的非显示区；As an implementable manner, the touch display substrate includes a display area and a non-display area around the display area;

所述触觉反馈基板和所述致动器位于所述触控显示基板的同一侧，且所述致动器位于所述非显示区。The haptic feedback substrate and the actuator are located on the same side of the touch display substrate, and the actuator is located in the non-display area.

作为可实现方式，所述显示面板为可折叠或可卷曲显示面板，所述致动器距离所述显示面板的弯折中心轴距离为15um-500um。As an achievable manner, the display panel is a foldable or rollable display panel, and the distance between the actuator and the bending center axis of the display panel is 15um-500um.

作为可实现方式，所述触控显示基板包括显示区和位于显示区周围的非显示区，以及位于非显示区周围的显示中框，显示中框上设置有可发声装置或可振动装置，且显示中框的内侧设置有所述致动器，所述致动器距离所述可发声装置或可振动装置的距离为15um-50cm。As an achievable manner, the touch display substrate includes a display area, a non-display area located around the display area, and a display middle frame located around the non-display area, the display middle frame is provided with a sound-emitting device or a vibrating device, and The actuator is arranged on the inner side of the display middle frame, and the distance between the actuator and the sound-producing device or the vibrating device is 15um-50cm.

第二方面，本发明提供一种如上述显示面板的触控方法，包括以下步骤：In a second aspect, the present invention provides a touch control method for the above-mentioned display panel, comprising the following steps:

获取对所述显示面板进行触控的触控手势；acquiring a touch gesture for touching the display panel;

根据触控手势与触觉反馈类型的对应关系，控制所述致动器振动和/或提高触控显示基板的触控驱动电压，以使触觉反馈基板产生静电触觉反馈。According to the corresponding relationship between the touch gesture and the haptic feedback type, the actuator is controlled to vibrate and/or the touch driving voltage of the touch display substrate is increased, so that the haptic feedback substrate generates electrostatic haptic feedback.

上述方案，通过在显示面板中设置触觉反馈基板及致动器，其中，触觉反馈基板可以产生静电触觉反馈，致动器可以产生振动触觉反馈。也即，该显示面板自身即可实现静电触觉反馈及振动触觉反馈，而无需外界的静电触觉反馈部件及振动触觉反馈部件，因此，采用本申请显示面板的电子设备，无需单独设置静电触觉反馈部件及振动触觉反馈部件，故，可以满足其向轻薄化方向发展的需求。此外，由于本申请方案，既可以实现静电触觉反馈，又可以实现振动触觉反馈，因此，可以带来更加丰富的触觉反馈效果。In the above solution, the haptic feedback substrate and the actuator are arranged in the display panel, wherein the haptic feedback substrate can generate electrostatic haptic feedback, and the actuator can generate vibration haptic feedback. That is, the display panel itself can realize electrostatic tactile feedback and vibrotactile feedback without external electrostatic tactile feedback components and vibrotactile feedback components. Therefore, the electronic device using the display panel of the present application does not need to separately provide electrostatic tactile feedback components. And vibrotactile feedback components, so it can meet the needs of its development in the direction of light and thin. In addition, due to the solution of the present application, both electrostatic tactile feedback and vibrotactile feedback can be realized, and therefore, more abundant tactile feedback effects can be brought.

附图说明Description of drawings

通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更明显：Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

图1为本发明实施例提供的显示面板的结构示意图；FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;

图2为本发明实施例提供的显示接收电极、驱动电极及触觉电极的俯视图；2 is a top view of a display receiving electrode, a driving electrode and a tactile electrode provided by an embodiment of the present invention;

图3为本发明实施例提供的显示面板的俯视图；3 is a top view of a display panel according to an embodiment of the present invention;

图4为本发明实施例提供的显示面板的仰视图；4 is a bottom view of a display panel provided by an embodiment of the present invention;

图5为本发明另一实施例提供的显示面板的仰视图；5 is a bottom view of a display panel provided by another embodiment of the present invention;

图6为本发明又一实施例提供的显示面板的仰视图；6 is a bottom view of a display panel according to another embodiment of the present invention;

图7为本发明实施例提供的触控方法的流程图。FIG. 7 is a flowchart of a touch control method provided by an embodiment of the present invention.

具体实施方式Detailed ways

下面结合附图和实施例对本申请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相关发明，而非对该发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与发明相关的部分。The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related invention, but not to limit the invention. In addition, it should be noted that, for the convenience of description, only the parts related to the invention are shown in the drawings.

需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

如图1所示，本发明实施例示出的一种显示面板，包括：触控显示基板3、触觉反馈基板7及致动器1；As shown in FIG. 1 , a display panel shown in an embodiment of the present invention includes: atouch display substrate 3 , ahaptic feedback substrate 7 and anactuator 1 ;

这里所说的触控显示基板3是指，具有触控功能的显示基板，其中，触控功能可以采用电容触控的方案，且可优选互容式的电容触控方案；显示基板例如但不限于为LCD(Liquid Crystal Display；液晶显示器)显示面板、OLED(Organic Light EmittingDiode；有机发光二极管)显示面板、QLED(Quantum Dot Light Emitting Diodes；量子点发光二极管)显示面板。Thetouch display substrate 3 mentioned here refers to a display substrate with a touch function, wherein the touch function can adopt a capacitive touch solution, and a mutual capacitive capacitive touch solution can be preferred; the display substrate is, for example, but not It is limited to LCD (Liquid Crystal Display; Liquid Crystal Display) display panel, OLED (Organic Light Emitting Diode; Organic Light Emitting Diode) display panel, QLED (Quantum Dot Light Emitting Diodes; Quantum Dot Light Emitting Diode) display panel.

该触控显示基板3可以是刚性的显示基板，也可以是柔性的显示基板。Thetouch display substrate 3 may be a rigid display substrate or a flexible display substrate.

该示例中，触控显示基板3以具备触控功能的OLED显示面板为例，其包括依次层叠设置的TFT(Thin Film Transistor；薄膜晶体管)背板31、阳极层32、发光层33、阴极层34、封装层35及触控电路层36等，此处，根据实际需要，各层中以及各层之间还可以有其他的结构，这里不再一一示例。发光层33包括多个像素，每个像素包括多个颜色不同的子像素，如红色子像素、蓝色子像素及绿色子像素等，各子像素可以包括空穴注入层、空穴传输层、电致发光层、电子注入层和电子传输层等。In this example, thetouch display substrate 3 is an OLED display panel with touch function as an example, which includes a TFT (Thin Film Transistor; thin film transistor)backplane 31 , ananode layer 32 , a light-emittinglayer 33 , and a cathode layer that are stacked in sequence. 34. Theencapsulation layer 35 and thetouch circuit layer 36, etc. Here, according to actual needs, there may be other structures in each layer and between each layer, which will not be illustrated here. The light-emittinglayer 33 includes a plurality of pixels, and each pixel includes a plurality of sub-pixels with different colors, such as red sub-pixels, blue sub-pixels and green sub-pixels, etc. Each sub-pixel may include a hole injection layer, a hole transport layer, Electroluminescent layer, electron injection layer and electron transport layer, etc.

所述触觉反馈基板7和所述致动器1位于所述触控显示基板3的同一侧和/或相背的两侧，且所述触觉反馈基板7位于所述触控显示基板3的显示侧；即所述触觉反馈基板7和所述致动器1均可以位于所述触控显示基板3的显示侧；或，所述触觉反馈基板7位于所述触控显示基板3的显示侧，所述致动器1位于所述触控显示基板3的背面，这里的背面是指与所述触控显示基板3的显示侧相背的一侧；还可以是，触控显示基板3的显示侧既设置触觉反馈基板7，由设置所述致动器1，并且，在所述触控显示基板3的背面同样还设置有所述致动器1。Thehaptic feedback substrate 7 and theactuator 1 are located on the same side and/or opposite sides of thetouch display substrate 3 , and thehaptic feedback substrate 7 is located on the display of thetouch display substrate 3 side; that is, both thehaptic feedback substrate 7 and theactuator 1 may be located on the display side of thetouch display substrate 3; or, thehaptic feedback substrate 7 is located on the display side of thetouch display substrate 3, Theactuator 1 is located on the back of thetouch display substrate 3 , and the back here refers to the side opposite to the display side of thetouch display substrate 3 ; it can also be the display of thetouch display substrate 3 Thehaptic feedback substrate 7 is provided on the side, and theactuator 1 is provided, and theactuator 1 is also provided on the back of thetouch display substrate 3 .

例如但不限于，致动器1可以直接贴附或直接成膜并图案化以形成在显示衬底的背面，例如玻璃背板或塑料基板背面。致动器1也可以贴附或成膜在OLED显示屏的金属支撑板2上。当应用于可折叠显示屏时，致动器1位置应避开折叠中心位置。For example and without limitation, theactuator 1 may be directly attached or directly filmed and patterned to be formed on the backside of a display substrate, such as a glass backplane or a plastic substrate backside. Theactuator 1 can also be attached or formed into a film on themetal support plate 2 of the OLED display screen. When applied to a foldable display, the position of theactuator 1 should avoid the center of the fold.

所述触觉反馈基板7用于产生静电触觉反馈，以实现纹理反馈的目的，即触觉反馈基板7可以产生不同大小的静电，以使使用者的手指8感受到不同强度的静电吸引力，从而是使用者的手指8在对该显示面板进行触控的过程中，感受到不同的表面摩擦力，实现图案轮廓和纹理的分辨；所述致动器1用于产生振动触觉反馈。Thetactile feedback substrate 7 is used to generate electrostatic tactile feedback to achieve the purpose of texture feedback, that is, thetactile feedback substrate 7 can generate static electricity of different sizes, so that the user'sfingers 8 can feel the electrostatic attraction of different intensities, so that the When the user'sfinger 8 touches the display panel, different frictional forces on the surface are felt, so as to realize the discrimination of pattern outline and texture; theactuator 1 is used to generate vibrotactile feedback.

所述致动器1例如但不限于为压电陶瓷片。通过给压电陶瓷片施加不同的交变信号，压电陶瓷片会发生弯曲变形，从而产生震动的效果。Theactuator 1 is, for example, but not limited to, a piezoelectric ceramic sheet. By applying different alternating signals to the piezoelectric ceramic sheet, the piezoelectric ceramic sheet will be bent and deformed, thereby producing the effect of vibration.

上述方案，通过在显示面板中设置触觉反馈基板7及致动器1，其中，触觉反馈基板7可以产生静电触觉反馈，致动器1可以产生振动触觉反馈。也即，该显示面板自身即可实现静电触觉反馈及振动触觉反馈，而无需外界的静电触觉反馈部件及振动触觉反馈部件，因此，采用本申请显示面板的电子设备，无需单独设置静电触觉反馈部件及振动触觉反馈部件，故，可以满足其向轻薄化方向发展的需求。此外，由于本申请方案，既可以实现静电触觉反馈，又可以实现振动触觉反馈，因此，可以带来更加丰富的触觉反馈效果。In the above solution, thehaptic feedback substrate 7 and theactuator 1 are arranged in the display panel, wherein thehaptic feedback substrate 7 can generate electrostatic haptic feedback, and theactuator 1 can generate vibration haptic feedback. That is, the display panel itself can realize electrostatic tactile feedback and vibrotactile feedback without external electrostatic tactile feedback components and vibrotactile feedback components. Therefore, the electronic device using the display panel of the present application does not need to separately provide electrostatic tactile feedback components. And vibrotactile feedback components, so it can meet the needs of its development in the direction of light and thin. In addition, due to the solution of the present application, both electrostatic tactile feedback and vibrotactile feedback can be realized, and therefore, more abundant tactile feedback effects can be brought.

作为可实现方式，所述触控显示基板3包括触控电路层36，所述触控电路层36包括依次层叠设置的接收电极层、第一绝缘层362和驱动电极层；As an achievable manner, thetouch display substrate 3 includes atouch circuit layer 36, and thetouch circuit layer 36 includes a receiving electrode layer, a first insulatinglayer 362 and a driving electrode layer that are stacked in sequence;

所述接收电极层包括多条平行间隔设置的接收电极361；The receiving electrode layer includes a plurality of receivingelectrodes 361 arranged in parallel and spaced apart;

所述驱动电极层包括多条平行间隔设置的驱动电极363；The driving electrode layer includes a plurality of drivingelectrodes 363 arranged in parallel and spaced apart;

所述接收电极361与所述驱动电极363交叉设置。The receivingelectrodes 361 and the drivingelectrodes 363 are arranged to cross each other.

在工作时，致动器1的工作频率范围可以为几十到几百赫兹，例如但不限于50Hz、100Hz、200Hz、300Hz的频率进行扫描。可选的，显示面板还包括一个致动器频变频控制电路，控制致动器频率切换。例如：致动器频变频控制电路可以在300Hz和50HZ之间进行切换。驱动电极363在进行触摸位置检测时的工作频率为几万到几十万赫兹，例如但不限于20KHz、50KHz、100KHz、200KHz的频率进行扫描。其电压范围为几到几十伏特。驱动电极363在实现触觉功能时的工作频率为几千到几万赫兹，例如但不限于5KHz、10KHz、20KHz、30KHz、40KHz的频率进行对各驱动电极363进行扫描且其驱动波形电压幅值范围为几十到两百伏特，例如但不限于50V、100V、120V、150V、200V。以检测接收电极361与驱动电极363交叉处电容值是否变化，来确定是否被触控，以及被触控位置。当确定触摸位置后进行高压驱动，以产生触觉反馈。During operation, the operating frequency range of theactuator 1 may be tens to hundreds of hertz, such as but not limited to 50Hz, 100Hz, 200Hz, and 300Hz for scanning. Optionally, the display panel further includes an actuator frequency conversion control circuit to control the frequency switching of the actuator. For example: the actuator frequency conversion control circuit can switch between 300Hz and 50Hz. The operating frequency of the drivingelectrode 363 during touch position detection is tens of thousands to hundreds of thousands of hertz, such as but not limited to scanning at frequencies of 20KHz, 50KHz, 100KHz, and 200KHz. Its voltage range is from several to tens of volts. The operating frequency of the drivingelectrodes 363 when implementing the haptic function is several thousand to tens of thousands of hertz, such as but not limited to frequencies of 5KHz, 10KHz, 20KHz, 30KHz, 40KHz. Each drivingelectrode 363 is scanned and its driving waveform voltage amplitude ranges. It is tens to two hundred volts, such as but not limited to 50V, 100V, 120V, 150V, 200V. Whether the touch is touched and the touch position is determined by detecting whether the capacitance value at the intersection of the receivingelectrode 361 and the drivingelectrode 363 changes. When the touch position is determined, a high voltage drive is performed to generate haptic feedback.

作为可实现方式，另参见图2所示，所述触觉反馈基板7包括依次层叠设置的触觉电极层及绝缘保护层72；As an implementable manner, referring also to FIG. 2 , thetactile feedback substrate 7 includes a tactile electrode layer and an insulating protection layer 72 that are stacked in sequence;

所述触觉电极层包括多条平行间隔设置的触觉电极71，所述触觉电极71与所述驱动电极363平行设置，且所述触觉电极层与所述接收电极层分置于所述驱动电极层的两侧。采用此种结构，在进行静电触觉反馈时，驱动电极363上电压的变化，会使触觉电极71上感应到不同大小的静电，以使使用者感受到不同的表面摩擦力。例如但不限于，驱动电极363、接收电极361和触觉电极71的图案可以是条形，也可以是菱形、雪花形、米字形等。不局限于电极形状，只需要满足触觉电极71和驱动电极363平行设置，且重叠面积大于等于50％，小于等于100％。The tactile electrode layer includes a plurality oftactile electrodes 71 arranged in parallel and spaced apart. Thetactile electrodes 71 and the drivingelectrodes 363 are arranged in parallel, and the tactile electrode layer and the receiving electrode layer are separated from the driving electrode layer. on both sides. With this structure, when performing electrostatic tactile feedback, changes in the voltage on the drivingelectrodes 363 will induce static electricity of different magnitudes on thetactile electrodes 71, so that the user can feel different surface friction forces. For example, but not limited to, the patterns of the drivingelectrodes 363 , the receivingelectrodes 361 and thetactile electrodes 71 may be stripes, diamonds, snowflakes, rice-shaped and the like. The shape of the electrodes is not limited, as long as thetactile electrodes 71 and the drivingelectrodes 363 are arranged in parallel, and the overlapping area is greater than or equal to 50% and less than or equal to 100%.

例如：当驱动电极363是集成于显示面板的网格电极(例如可以为金属网格电极)，on-cell触觉电极71使用透明面电极时，电极重叠面积应大于等于60％，也就是说，网格电极的镂空面积小于等于透明面电极的40％；具体的，驱动电极363是集成于显示面板的金属网格电极。For example: when the drivingelectrode 363 is a grid electrode integrated in the display panel (for example, it can be a metal grid electrode), and the on-celltactile electrode 71 uses a transparent surface electrode, the electrode overlap area should be greater than or equal to 60%, that is, The hollow area of the grid electrode is less than or equal to 40% of the transparent surface electrode; specifically, the drivingelectrode 363 is a metal grid electrode integrated in the display panel.

可选的，当触觉电极71也使用金属网格电极时，其电极重叠面积应大于等于80％。Optionally, when thetactile electrodes 71 also use metal mesh electrodes, the overlapping area of the electrodes should be greater than or equal to 80%.

可以理解的是，其中金属/透明网格电极面积按照其图案为面电极等效计算。It can be understood that the area of the metal/transparent grid electrode is equivalently calculated according to the pattern of the surface electrode.

可选的，触觉电极71可以为网格电极时，网格电极形成的镂空部分的面积，小于接收电极361与驱动电极363形成网格电极的镂空部分面积；以便保证触觉电极71与驱动电极363的交叠，进而在进行静电触觉反馈时，驱动电极363上电压的变化，会使触觉电极71上感应到不同大小的静电，以使使用者感受到不同的表面摩擦力。优选的，触觉电极71为网格电极时，其镂空部分的面积是接收电极361与驱动电极363形成网格电极的镂空部分面积的80％-90％。Optionally, when thetactile electrodes 71 can be grid electrodes, the area of the hollow portion formed by the grid electrodes is smaller than the area of the hollow portion formed by the receivingelectrodes 361 and the drivingelectrodes 363; Therefore, when the electrostatic tactile feedback is performed, changes in the voltage on the drivingelectrodes 363 will induce static electricity of different magnitudes on thetactile electrodes 71, so that the user can feel different surface frictional forces. Preferably, when thetactile electrode 71 is a grid electrode, the area of the hollow portion thereof is 80%-90% of the area of the hollow portion formed by the receivingelectrode 361 and the drivingelectrode 363 to form the grid electrode.

驱动电极363、接收电极361、触觉电极71可以是透明电极，如氧化铟锡(ITO)、氧化铟锌(IZO)、纳米银线(SNW)、导电高分子(PEDOT)等，也可以是金属网格电极，如铜(Cu)及其合金、银(Ag)及其合金、钛/铝/钛(Ti/Al/Ti)、钼、钼/铝/钼(Mo/Al/Mo)等。金属网格可以直接制作于显示发光材料封装层35上，也可以单独制作后贴附于显示面板上。The drivingelectrodes 363, the receivingelectrodes 361, and thetactile electrodes 71 may be transparent electrodes, such as indium tin oxide (ITO), indium zinc oxide (IZO), silver nanowires (SNW), conductive polymers (PEDOT), etc., or metal Grid electrodes, such as copper (Cu) and its alloys, silver (Ag) and its alloys, titanium/aluminum/titanium (Ti/Al/Ti), molybdenum, molybdenum/aluminum/molybdenum (Mo/Al/Mo), etc. The metal grid can be directly fabricated on the display luminescentmaterial encapsulation layer 35, or can be fabricated separately and then attached to the display panel.

作为可实现方式，在垂直于所述触控显示基板3的显示面的投影方向上，所述触觉电极71与所述驱动电极363至少部分重合。一般地，在所述驱动电极363上通入的电压一定的情况下，所述触觉电极71上产生的静电量，与所述触觉电极71与所述驱动电极363的重合量正相关，也即在所述驱动电极363上通入的电压一定的情况下，所述触觉电极71与所述驱动电极363的重合量越高，所述触觉电极71上产生的静电量越大，由此产生的静电吸引力越强。As an achievable manner, in a projection direction perpendicular to the display surface of thetouch display substrate 3 , thetactile electrodes 71 and the drivingelectrodes 363 at least partially overlap. Generally, when the voltage applied to the drivingelectrodes 363 is constant, the amount of static electricity generated on thetactile electrodes 71 is positively related to the overlap between thetactile electrodes 71 and the drivingelectrodes 363, that is, Under the condition that the voltage applied to thedrive electrodes 363 is constant, the higher the overlap between thetactile electrodes 71 and thedrive electrodes 363, the greater the amount of static electricity generated on thetactile electrodes 71. The stronger the electrostatic attraction.

优选，尽量提高所述触觉电极71与所述驱动电极363的重合量。Preferably, the overlapping amount of thetactile electrodes 71 and the drivingelectrodes 363 is maximized.

作为可实现方式，如图3所示，所述触控显示基板3包括显示区AA和位于显示区AA周围的非显示区BB，以及位于非显示区BB周围的显示中框CC；As an achievable manner, as shown in FIG. 3 , thetouch display substrate 3 includes a display area AA, a non-display area BB located around the display area AA, and a display middle frame CC located around the non-display area BB;

所述触觉反馈基板7和所述致动器1位于所述触控显示基板3的同一侧，且所述致动器1位于所述非显示区BB。致动器1位于所述非显示区BB，可以避免致动器1对子像素所发出的光造成遮挡，此外，通过设置在所述非显示区BB，可以具有足够的空间来设置尽可能大的将致动器1，以提供足够强度的振动。Thehaptic feedback substrate 7 and theactuator 1 are located on the same side of thetouch display substrate 3 , and theactuator 1 is located in the non-display area BB. Theactuator 1 is located in the non-display area BB, which can prevent theactuator 1 from blocking the light emitted by the sub-pixels. In addition, by being arranged in the non-display area BB, there can be enough space to set as large as possible. The will actuator 1 to provide sufficient intensity of vibration.

作为可实现方式，所述触控显示基板3包括显示区AA和位于显示区AA周围的非显示区BB；As an achievable manner, thetouch display substrate 3 includes a display area AA and a non-display area BB located around the display area AA;

所述触觉反馈基板7和所述致动器1分置于所述触控显示基板3相背的两侧，如致动器1位于衬底基材背面，且所述致动器1至少位于所述显示区AA。一方面，可以避免致动器1对子像素所发出的光造成遮挡，另一方面，触控操作一般都是在显示区AA进行的，将致动器1设置在所述显示区AA，可以使使用者更直接的感受到振动触觉反馈。Thetactile feedback substrate 7 and theactuator 1 are located on opposite sides of thetouch display substrate 3. For example, theactuator 1 is located on the back side of the substrate, and theactuator 1 is located at least on the back side of the substrate. the display area AA. On the one hand, the light emitted by the sub-pixels can be prevented from being blocked by theactuator 1. On the other hand, the touch operation is generally performed in the display area AA. Make the user feel the vibration haptic feedback more directly.

作为可实现方式，为了提高振动反馈的振动效果，所述触控显示基板3的背面设置有金属支撑板2，所述致动器1固定设置于所述金属支撑板2背离所述触控显示基板3的一侧。所述金属支撑板2可以对所述致动器1发出的振动起到一定的增效作用。As an achievable manner, in order to improve the vibration effect of the vibration feedback, ametal support plate 2 is disposed on the back of thetouch display substrate 3, and theactuator 1 is fixedly arranged on themetal support plate 2 away from the touch display. one side of thesubstrate 3. Themetal support plate 2 can play a certain synergistic effect on the vibration emitted by theactuator 1 .

所述金属支撑板2的材料例如但不限于为SUS不锈钢。The material of themetal support plate 2 is, for example, but not limited to, SUS stainless steel.

致动器1阵列也可以贴附在显示中框CC的内侧，作为侧边按键的触觉反馈实现方式，例如实现手机开关机键、音量键等的震动反馈。The array ofactuators 1 can also be attached to the inner side of the display middle frame CC, as a tactile feedback implementation method for side buttons, such as vibration feedback for mobile phone power buttons, volume buttons, and the like.

例如：致动器1可以设置在距离显示装置的可发声装置或可振动装置15um-50cm，以便更好的进行触觉反馈实现。例如：显示装置的可发声装置，可以是移动终端(手机，PAD，手表等)的开关机键、音量键等。可发声装置例如可以设置在显示中框CC上。For example, theactuator 1 can be set at a distance of 15um-50cm from the sound-producing device or the vibrating device of the display device, so as to better realize the haptic feedback. For example, the sound-producing device of the display device may be a power button, a volume button, etc. of a mobile terminal (mobile phone, PAD, watch, etc.). The sound-producing device may be provided, for example, on the display middle frame CC.

作为可实现方式，所述金属支撑板2上设置有多个所述致动器1，多个所述致动器1规律化排布，这里所说的规律化排布，是指按照预定的规则排布；例如但不限于，如图4所示，可以设置两列致动器1，且两列致动器1对称设置；如图5所示，可以设置四列致动器1，且中间两侧的数量少于两边的数量，如图6所示，还可以以矩阵的方式均匀设置致动器1，此处的排列方式仅是示例，并非是对排列方式的限定，当然还可以采用其他形式的排列方式。另外，同一显示面板上的致动器1的形状可以相同，也可以不同；致动器1的形状可以是圆形、方形、椭圆形等。致动器的尺寸不做限定，例如可以是直径为3毫米-7毫米，或者边长为2.5毫米-6毫米。当然也可以根据需求设定。As an achievable manner, themetal support plate 2 is provided with a plurality of theactuators 1, and the plurality of theactuators 1 are arranged regularly. Regular arrangement; for example, but not limited to, as shown in Figure 4, two rows ofactuators 1 can be provided, and two rows ofactuators 1 are symmetrically arranged; as shown in Figure 5, four rows ofactuators 1 can be provided, and The number of the two sides in the middle is less than the number of the two sides. As shown in Figure 6, theactuators 1 can also be uniformly arranged in a matrix. The arrangement here is only an example, not a limitation on the arrangement. Of course, it is also possible to Use other forms of arrangement. In addition, the shapes of theactuators 1 on the same display panel may be the same or different; the shapes of theactuators 1 may be circular, square, oval, and the like. The size of the actuator is not limited, for example, the diameter may be 3 mm to 7 mm, or the side length may be 2.5 mm to 6 mm. Of course, it can also be set as required.

根据显示面板尺寸及致动器1尺寸可调整贴合数量和贴合位置。为保证整体震动效果，对致动器排列密度有要求，例如致动器1贴合总面积占显示面板总面积比不应小于5％。The number and position of lamination can be adjusted according to the size of the display panel and the size of theactuator 1 . In order to ensure the overall vibration effect, there are requirements on the arrangement density of the actuators. For example, the ratio of the total area of theactuator 1 to the total area of the display panel should not be less than 5%.

可选的，致动器1总面积占显示面板总面积比为5％-30％。Optionally, the ratio of the total area of theactuator 1 to the total area of the display panel is 5%-30%.

可选的，致动器1总面积占显示面板总面积比为5％-25％；或者，致动器1总面积占显示面板总面积比为10％-20％。Optionally, the ratio of the total area of theactuator 1 to the total area of the display panel is 5%-25%; or, the ratio of the total area of theactuator 1 to the total area of the display panel is 10%-20%.

可选的，致动器排列密度可以为5-50个/平方毫米(例如：显示面板总面积约为12000平方毫米，致动器为10-40个，致动器直径约为5毫米为例进行介绍，当然致动器的尺寸也可以根据需求设定)。Optionally, the actuator arrangement density can be 5-50/mm2 (for example: the total area of the display panel is about 12,000 mm2, the number of actuators is 10-40, and the diameter of the actuator is about 5 mm, for example. For introduction, of course, the size of the actuator can also be set according to requirements).

可选的，致动器在显示区AA的分布数量小于致动器在周边区域(如非显示区BB)的分布数量；或者，致动器在显示区AA的分布密度小于致动器在周边区域的分布密度，以减小显示区信号线(例如栅极线，数据线)对致动器的信号干扰影响。Optionally, the distribution number of the actuators in the display area AA is smaller than the distribution number of the actuators in the peripheral area (such as the non-display area BB); or, the distribution density of the actuators in the display area AA is smaller than that of the actuators in the peripheral area. The distribution density of the area can reduce the influence of signal interference on the actuator by signal lines (eg gate lines, data lines) in the display area.

可选的，当触觉电极71为条状电极时，相邻两行触觉电极71的间距(未示出)小于致动器1相邻两行的间距(例如图6)；或者，当触觉电极71为条状电极时，相邻两列触觉电极71的间距(未示出)小于致动器相邻两列的间距(例如图6)，如此，致动器1与触觉电极71的配合，可以使使用者更直接的感受到振动触觉反馈。Optionally, when thetactile electrodes 71 are strip electrodes, the spacing (not shown) between two adjacent rows of thetactile electrodes 71 is smaller than the spacing between the two adjacent rows of the actuator 1 (for example, in FIG. 6 ); When 71 is a strip electrode, the distance between two adjacent rows of tactile electrodes 71 (not shown) is smaller than the interval between two adjacent rows of actuators (for example, FIG. 6 ). In this way, the cooperation between theactuator 1 and thetactile electrodes 71, The user can feel the vibration haptic feedback more directly.

当致动器1贴附于可折叠或可卷曲显示面板时，应避开弯折中心轴区，以免弯折影响致动器1的使用寿命。When theactuator 1 is attached to the foldable or rollable display panel, the bending center axis area should be avoided, so as not to affect the service life of theactuator 1 due to the bending.

优选的，致动器距离弯折中心轴距离为15um-500um。以避开折叠屏折叠时对致动器的影响。Preferably, the distance between the actuator and the bending center axis is 15um-500um. In order to avoid the influence on the actuator when the folding screen is folded.

作为可实现方式，形成所述致动器1的材料包括压电陶瓷、压电石英、聚偏氟乙烯和氟化聚乙烯中的至少任一种。As an achievable manner, the material for forming theactuator 1 includes at least any one of piezoelectric ceramics, piezoelectric quartz, polyvinylidene fluoride and fluorinated polyethylene.

例如但不限于，可以在触控显示基板3的衬底基材背面或上述金属支撑板2(如SUS材料的支撑板)上形成包括压电陶瓷、压电石英、聚偏氟乙烯和氟化聚乙烯中的至少任一种材料的薄膜，然后，对该薄膜进行图案化，以形成致动器1。当然，还可以预先制备好致动器1，然后通过粘接的方式固定在金属支撑板2。For example, but not limited to, it is possible to form piezoelectric ceramics, piezoelectric quartz, polyvinylidene fluoride and fluoride on the backside of the substrate base material of thetouch display substrate 3 or the above-mentioned metal support plate 2 (such as a support plate of SUS material). A thin film of at least any one of polyethylene is then patterned to form theactuator 1 . Of course, theactuator 1 can also be prepared in advance, and then fixed to themetal support plate 2 by means of bonding.

第二方面，如图7所示，本发明提供一种如上述显示面板的触控方法，包括以下步骤：In a second aspect, as shown in FIG. 7 , the present invention provides a touch control method for a display panel as described above, including the following steps:

S1：获取对所述显示面板进行触控的触控手势；S1: acquiring a touch gesture for touching the display panel;

触控手势例如但不限于为敲击、点触、滑动等。Touch gestures are, for example, but not limited to, tapping, tapping, sliding, and the like.

例如，通过加速度传感器等来检测是否进行了敲击。在检测到该显示面板被触控时，判断垂直于该显示面板的方向上的加速度是否大于预设阈值，若是，则判定为敲击，否则为没有敲击。在没有被敲击的情况下，判断触控位置是否发生了连续变化，若是则为滑动，否则为点触。For example, the presence or absence of a tap is detected by an acceleration sensor or the like. When it is detected that the display panel is touched, it is determined whether the acceleration in the direction perpendicular to the display panel is greater than a preset threshold, and if so, it is determined as a tap, otherwise, there is no tap. In the case of not being tapped, it is judged whether the touch position has changed continuously, if so, it is sliding, otherwise, it is touch.

S2：根据触控手势与触觉反馈类型的对应关系，控制所述致动器1振动和/或提高触控显示基板3的触控驱动电压V，以使触觉反馈基板7产生静电触觉反馈。S2: Control theactuator 1 to vibrate and/or increase the touch driving voltage V of thetouch display substrate 3 according to the correspondence between touch gestures and haptic feedback types, so that thehaptic feedback substrate 7 generates electrostatic haptic feedback.

例如但不限于，敲击对应的触觉反馈类型可以为振动触觉反馈；点触对应的触觉反馈类型可以为振动触觉反馈和/或静电触觉反馈、滑动对应的触觉反馈类型可以为静电触觉反馈。For example, but not limited to, the type of haptic feedback corresponding to tapping may be vibrotactile feedback; the type of haptic feedback corresponding to tapping may be vibrotactile feedback and/or electrostatic haptic feedback, and the type of haptic feedback corresponding to sliding may be electrostatic haptic feedback.

另参见图1，下面以其中一种可实现方式，对本申请显示面板的结果及其触控方法予以示例性说明。Referring also to FIG. 1 , the result of the display panel and the touch control method thereof of the present application will be exemplarily described below in one of the achievable manners.

该显示面板包括金属支撑板2，该金属支撑板2的材料例如但不限于为SUS不锈钢。The display panel includes ametal support plate 2, and the material of themetal support plate 2 is, for example, but not limited to, SUS stainless steel.

金属支撑板2第一面(也可称为背面)设置有多个致动器1，致动器1可以采用压电陶瓷片；金属支撑板2第二面(也可称为正面)依次设置TFT背板31、阳极层32、发光层33、阴极层34、封装层35、触控电路层36、偏光层4、光学胶层5、盖板层6及触觉反馈基板7。A plurality ofactuators 1 are arranged on the first side (also referred to as the back side) of themetal support plate 2, and theactuators 1 can use piezoelectric ceramic sheets; the second side (also referred to as the front side) of themetal support plate 2 are arranged insequence TFT backplane 31 ,anode layer 32 , light-emittinglayer 33 ,cathode layer 34 ,encapsulation layer 35 ,touch circuit layer 36 ,polarizing layer 4 , opticaladhesive layer 5 , cover layer 6 andtactile feedback substrate 7 .

其中，发光层33包括多个像素，每个像素包括多个颜色不同的子像素，如红色子像素、蓝色子像素及绿色子像素等，各子像素可以包括空穴注入层、空穴传输层、电致发光层、电子注入层和电子传输层等。The light-emittinglayer 33 includes a plurality of pixels, and each pixel includes a plurality of sub-pixels with different colors, such as red sub-pixels, blue sub-pixels, and green sub-pixels, etc. layer, electroluminescence layer, electron injection layer and electron transport layer, etc.

所述触控电路层36包括依次层叠设置的接收电极层、第一绝缘层362和驱动电极层；所述接收电极层包括多条平行间隔设置的接收电极361；所述驱动电极层包括多条平行间隔设置的驱动电极363；所述接收电极361与所述驱动电极363交叉设置。Thetouch circuit layer 36 includes a receiving electrode layer, a first insulatinglayer 362 and a driving electrode layer that are stacked in sequence; the receiving electrode layer includes a plurality of receivingelectrodes 361 arranged in parallel and spaced apart; the driving electrode layer includes a plurality of The drivingelectrodes 363 are arranged in parallel and spaced apart; the receivingelectrodes 361 are arranged across the drivingelectrodes 363 .

触觉反馈基板7包括依次层叠设置的触觉电极层及绝缘保护层72，绝缘保护层72例如但不限于为盖板玻璃等；所述触觉电极层包括多条平行间隔设置的触觉电极71，所述触觉电极71与所述驱动电极363平行设置，且所述触觉电极层与所述接收电极层分置于所述驱动电极层的两侧。Thetactile feedback substrate 7 includes a tactile electrode layer and an insulating protective layer 72 that are stacked in sequence, and the insulating protective layer 72 is, for example, but not limited to, a cover glass, etc. The tactile electrode layer includes a plurality oftactile electrodes 71 arranged in parallel and spaced apart. Thetactile electrodes 71 are arranged in parallel with the drivingelectrodes 363 , and the tactile electrode layers and the receiving electrode layers are disposed on two sides of the driving electrode layer.

在工作时，致动器1的工作频率范围可以为几十到几百赫兹，例如但不限于50Hz、100Hz、200Hz、300Hz的频率进行扫描。即以上述频率向各驱动电极363通入触控驱动电压V，以检测接收电极361与驱动电极363交叉处电容值是否变化，来确定是否被触控，以及被触控位置。并且，通过加速度传感器等来检测是否进行了敲击。During operation, the operating frequency range of theactuator 1 may be tens to hundreds of hertz, such as but not limited to 50Hz, 100Hz, 200Hz, and 300Hz for scanning. That is, the touch driving voltage V is applied to each drivingelectrode 363 at the above frequency to detect whether the capacitance value at the intersection of the receivingelectrode 361 and the drivingelectrode 363 changes, so as to determine whether the touch is touched and the touched position. Then, whether or not a tap has been performed is detected by an acceleration sensor or the like.

在检测到该显示面板被触控时，判断垂直于该显示面板的方向上的加速度是否大于预设阈值，若是，则判定为敲击，否则为没有敲击。在没有被敲击的情况下，判断触控位置是否发生了连续变化，若是则为滑动，否则为点触。When it is detected that the display panel is touched, it is determined whether the acceleration in the direction perpendicular to the display panel is greater than a preset threshold, and if so, it is determined as a tap, otherwise, there is no tap. In the case of not being tapped, it is judged whether the touch position has changed continuously, if so, it is sliding, otherwise, it is touch.

在检测到触控手势为敲击时，控制致动器1震动产生振动触觉反馈；在检测到触控手势为点触时，控制致动器1震动产生振动触觉反馈和/或提高触控显示基板3的触控驱动电压V，即提高通入驱动电极363的触控驱动电压V的电压值，以使触觉反馈基板7产生静电触觉反馈；在检测到触控手势为滑动时，提高触控显示基板3的触控驱动电压V，即提高通入驱动电极363的触控驱动电压V的电压值，以使触觉反馈基板7产生静电触觉反馈。When it is detected that the touch gesture is a tap, theactuator 1 is controlled to vibrate to generate vibrotactile feedback; when it is detected that the touch gesture is a tap, theactuator 1 is controlled to vibrate to generate vibrotactile feedback and/or improve the touch display The touch driving voltage V of thesubstrate 3 is to increase the voltage value of the touch driving voltage V passing through the drivingelectrodes 363, so that thehaptic feedback substrate 7 generates electrostatic haptic feedback; when it is detected that the touch gesture is sliding, the touch driving voltage V is increased The touch driving voltage V of thedisplay substrate 3 is to increase the voltage value of the touch driving voltage V passing through the drivingelectrodes 363 , so that thehaptic feedback substrate 7 generates electrostatic haptic feedback.

需要理解的是，上文如有涉及术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。It should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", "vertical" "," "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。The above description is only a preferred embodiment of the present application and an illustration of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to the technical solution formed by the specific combination of the above-mentioned technical features, and should also cover, without departing from the inventive concept, the above-mentioned technical features or their Other technical solutions formed by any combination of equivalent features. For example, a technical solution is formed by replacing the above features with the technical features disclosed in this application (but not limited to) with similar functions.

Claims (10)

1. A display panel, comprising: a touch display substrate, a haptic feedback substrate and an actuator;

the tactile feedback substrate and the actuator are positioned on the same side and/or two opposite sides of the touch display substrate, and the tactile feedback substrate is positioned on the display side of the touch display substrate;

the haptic feedback substrate is used to generate electrostatic haptic feedback and the actuator is used to generate vibrotactile feedback.

2. The display panel according to claim 1, wherein the touch display substrate comprises a touch circuit layer, and the touch circuit layer comprises a receiving electrode layer, a first insulating layer and a driving electrode layer which are sequentially stacked;

the receiving electrode layer comprises a plurality of receiving electrodes which are arranged in parallel at intervals;

the driving electrode layer comprises a plurality of driving electrodes which are arranged in parallel at intervals;

the receiving electrodes and the driving electrodes are arranged in a crossed mode.

3. The display panel according to claim 2, wherein the tactile feedback substrate comprises a tactile electrode layer and an insulating protective layer which are sequentially stacked;

the touch electrode layer comprises a plurality of touch electrodes arranged in parallel at intervals, the touch electrodes are arranged in parallel with the driving electrode, and the touch electrode layer and the receiving electrode layer are respectively arranged on two sides of the driving electrode layer; or,

the tactile electrode layer comprises grid electrodes serving as tactile electrodes, and the tactile electrode layer and the receiving electrode layer are respectively arranged on two sides of the driving electrode layer; the hollow area of the grid electrode is 80% -90% of the hollow area formed by the receiving electrodes and the driving electrodes which are arranged in a crossed mode.

4. The display panel according to claim 3, wherein the tactile electrodes and the driving electrodes at least partially overlap in a projection direction perpendicular to a display surface of the touch display substrate.

5. The display panel according to claim 1, wherein the touch display substrate comprises a touch circuit layer, and the touch circuit layer comprises a receiving electrode layer, a first insulating layer and a driving electrode layer which are sequentially stacked;

the driving electrode layer comprises a grid electrode as a driving electrode;

the tactile feedback substrate comprises a tactile electrode layer and an insulating protective layer which are sequentially stacked;

the tactile electrode layer comprises a transparent surface electrode as a tactile electrode;

the electrode overlapping area of the grid electrode and the transparent surface electrode is more than or equal to 60 percent;

or the touch display substrate comprises a touch circuit layer, wherein the touch circuit layer comprises a receiving electrode layer, a first insulating layer and a driving electrode layer which are sequentially stacked;

the driving electrode layer comprises a driving electrode;

the tactile feedback substrate comprises a tactile electrode layer and an insulating protective layer which are sequentially stacked;

the tactile electrode layer comprises tactile electrodes;

the driving electrode and the tactile electrode are both grid electrodes, and the electrode overlapping area of the driving electrode and the tactile electrode is greater than or equal to 80%.

6. The display panel of claim 1, wherein the total actuator area is 5-30% of the total display panel area; or; the actuators are arranged at a density of 5-50 per square millimeter.

7. The display panel according to any one of claims 1 to 6, wherein the touch display substrate comprises a display area and a non-display area located around the display area;

the haptic feedback substrate and the actuator are located on the same side of the touch display substrate, and the actuator is located in the non-display area.

8. A display panel as claimed in any one of claims 1 to 6 wherein the display panel is a foldable or rollable display panel and the actuator is located at a distance of 15um to 500um from a bending central axis of the display panel.

9. The display panel according to any one of claims 1 to 6, wherein the touch display substrate comprises a display area and a non-display area located around the display area, and a display middle frame located around the non-display area, a sound-generating device or a vibrating device is disposed on the display middle frame, and the actuator is disposed on the inner side of the display middle frame, and the distance from the actuator to the sound-generating device or the vibrating device is 15um-50 cm.

10. A touch method of a display panel according to any one of claims 1 to 9, comprising the steps of:

acquiring a touch gesture for touching the display panel;

and controlling the actuator to vibrate and/or improve the touch driving voltage of the touch display substrate according to the corresponding relation between the touch gesture and the type of the touch feedback, so that the touch feedback substrate generates electrostatic touch feedback.

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