WO2021244202A1 - 触控显示面板及其制备方法、触控显示装置 - Google Patents
触控显示面板及其制备方法、触控显示装置 Download PDFInfo
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- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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Definitions
- the embodiments of the present disclosure relate to, but are not limited to, the field of display technology, and in particular to a touch display panel, a manufacturing method thereof, and a touch display device.
- the touch screen can be divided into: capacitive, resistive, infrared, surface acoustic wave, electromagnetic, vibration wave induction, and frustrated total internal reflection optical induction, etc.
- the capacitive touch screen is widely used in various electronic interactive scene equipment with its unique touch principle, with the advantages of high sensitivity, long life, high light transmittance, and the like.
- some display panels use in-screen digging technology, that is, a digging area for placing front-facing cameras and other hardware in the effective display area.
- this technology destroys the uniformity of touch performance in the entire effective display area and reduces the touch performance.
- the embodiment of the present disclosure provides a touch display panel, which includes a substrate, a first metal layer disposed on the substrate, an insulating layer disposed on a side of the first metal layer away from the substrate, and a first metal layer disposed on the insulating layer away from the first metal layer.
- one of the first metal layer and the second metal layer includes a plurality of connecting bridges
- the other layer includes a first electrode, a second electrode and a through hole
- the first The electrode includes a plurality of first sub-electrodes arranged in a first direction, and adjacent first sub-electrodes are bridged by connecting bridges
- the second electrode includes a plurality of second sub-electrodes arranged in a second direction, and In the second direction, two adjacent second sub-electrodes are connected to each other;
- the through hole penetrates the first sub-electrode and the second sub-electrode; at least one of the first metal layer and the second metal layer
- the layer further includes a compensation electrode surrounding the through hole, the compensation electrode includes a first compensation electrode and a second compensation electrode, the surface adjacent to the first compensation electrode and the second compensation electrode is a first end surface, so The surface of the second compensation electrode adjacent to the first compensation electrode is a second end surface, the structures of the first end surface and
- the arrangement positions of the first compensation electrode and the second compensation electrode include at least one of the following:
- the first compensation electrode and the second compensation electrode are both arranged on the first metal layer;
- the first compensation electrode and the second compensation electrode are both arranged on the second metal layer;
- One of the first compensation electrode and the second compensation electrode is arranged on the first metal layer, and the other is arranged on the second metal layer.
- the first end surface and the second end surface are curved or sloped.
- the first end surface includes one or more first protrusions and one or more first spacers
- the second end surface includes one or more second protrusions and one Or a plurality of second spacers
- the first protruding part is located in the second spacer
- the second protruding part is located in the first spacer
- the first end surface includes one or more first protrusions
- the second end surface includes one or more second protrusions
- the first protrusions and the The second protrusions are arranged at intervals.
- the first compensation electrode includes N first compensation sub-electrodes, wherein M first compensation sub-electrodes are connected to the first sub-electrodes, and (NM) first compensation sub-electrodes It is insulated from the first and second sub-electrodes, M is a natural number less than or equal to N, and N is a natural number greater than 1.
- the second compensation electrode includes n pieces of second compensation sub-electrodes, wherein m pieces of second compensation sub-electrodes are connected to the second sub-electrodes, and (nm) pieces of second compensation sub-electrodes It is insulated from the first sub-electrode and the second sub-electrode, m is a natural number less than or equal to n, and n is a natural number greater than 1.
- the embodiment of the present disclosure also provides a touch display device, including the aforementioned touch display panel.
- the embodiment of the present disclosure also provides a method for manufacturing a touch display panel, including: forming a first metal layer on a substrate; forming an insulating layer on a side of the first metal layer away from the substrate; and forming an insulating layer on the insulating layer away from the first metal layer
- a second metal layer is formed on one side of the first metal layer, one of the first metal layer and the second metal layer includes a plurality of connecting bridges, the other layer includes a first electrode, a second electrode and a through hole, the first The electrode includes a plurality of first sub-electrodes arranged in a first direction, and adjacent first sub-electrodes are bridged by the connecting bridge; the second electrode includes a plurality of second sub-electrodes arranged in a second direction, And in the second direction, two adjacent second sub-electrodes are connected to each other; at least one of the first metal layer and the second metal layer further includes a compensation electrode surrounding the through hole, and the compensation The electrode includes a
- the arrangement positions of the first compensation electrode and the second compensation electrode include any one of the following:
- the first compensation electrode and the second compensation electrode are both arranged on the first metal layer;
- the first compensation electrode and the second compensation electrode are both arranged on the second metal layer;
- One of the first compensation electrode and the second compensation electrode is provided on the first metal layer, and the other is provided on the second metal layer.
- FIG. 1 is a schematic diagram of the structure of a touch display panel in some technologies
- FIG. 2 is a schematic structural diagram of a touch display panel according to an embodiment of the disclosure.
- FIG. 3 is a schematic diagram of a cross-sectional structure of the touch display panel in FIG. 2 along the BB direction;
- FIG. 4 is a schematic structural diagram of another touch display panel according to an embodiment of the disclosure.
- FIG. 5 is a schematic diagram of a cross-sectional structure of the touch display panel in FIG. 4 along the BB direction;
- FIG. 6 is a schematic structural diagram of a compensation electrode according to an embodiment of the disclosure.
- FIG. 7 is a schematic diagram of a substrate after forming a first metal layer pattern according to an embodiment of the disclosure.
- FIG. 8 is a schematic diagram of a substrate after forming an insulating layer pattern according to an embodiment of the disclosure.
- FIG. 9 is a schematic flowchart of a manufacturing method of a touch display panel according to an embodiment of the disclosure.
- the touch chip (Touch IC) algorithmically compensates the part of the touch electrode (Sensor) whose integrity has been slightly damaged, this compensation is also based on sacrificing other properties of the Touch IC (such as power consumption, etc.). ), and its algorithm compensation is also limited. Because the sensor unit in the mounting hole area of the effective display area is lacking more serious, it is necessary to achieve the complete sensor unit touch performance of the Senor unit in the mounting hole area of the effective display area and other touch areas. The uniformity of is almost impossible.
- the embodiments of the present disclosure provide a touch display panel, a manufacturing method thereof, and a touch display device, which can improve the uniformity of touch performance in the entire effective display area.
- the parameters such as the mutual capacitance induction (Delta Cm) of the touch electrode in the mounting hole area of the effective display area are adjusted, so that the mounting hole area of the effective display area is not complete.
- the performance parameters are consistent with the electrical parameters of the complete Sensor unit, thereby ensuring the uniformity of the touch performance of the entire touch display panel.
- the embodiment of the present disclosure provides a touch display panel, which includes a substrate, a first metal layer disposed on the substrate, an insulating layer disposed on a side of the first metal layer away from the substrate, and an insulating layer disposed away from the insulating layer.
- the second metal layer on one side of the first metal layer wherein: one of the first metal layer and the second metal layer includes a plurality of connecting bridges, and the other layer of the first metal layer and the second metal layer includes the first metal layer
- An electrode, a second electrode and a through hole, the first electrode and the second electrode are arranged to cross each other, the first electrode includes a plurality of first sub-electrodes arranged in a first direction, and a connecting bridge is passed between adjacent first sub-electrodes Bridge;
- the second electrode includes a plurality of second sub-electrodes arranged along the second direction, and in the second direction, the two adjacent second sub-electrodes are connected to each other;
- the through hole penetrates the first sub-electrode and the second sub-electrode Electrode; at least one of the first metal layer and the second metal layer also includes a compensation electrode surrounding the through hole, the compensation electrode includes a first compensation electrode and a second compensation electrode, the first compensation electrode and the second compensation electrode
- the first compensation electrode and the second compensation electrode are arranged at the position surrounding the through hole, and the first end surface of the first compensation electrode (that is, the first compensation electrode and the second compensation electrode are opposite to each other). Adjacent surface) and the second end surface of the second compensation electrode (that is, the surface adjacent to the first compensation electrode) of the second compensation electrode, and the length of the outer contour of the first end surface or the second end surface is greater than that of the first compensation electrode.
- the thickness of the electrode or the second compensation electrode along the center line of the through hole increases the mutual sensing area of the incomplete touch electrodes, increases the sensing capacitance at the incomplete touch electrodes, and improves the touch performance of the entire effective display area. Uniformity.
- the touch display panel of this embodiment includes a substrate 10, a first metal layer disposed on the substrate 10, and a first metal layer disposed on the The insulating layer 30 on a side of a metal layer away from the substrate 10 and a second metal layer disposed on the side of the insulating layer 30 away from the first metal layer.
- one of the first metal layer and the second metal layer includes a plurality of connecting bridges 21, and the other layer of the first metal layer and the second metal layer includes a first electrode 41, a second electrode 42 and a through hole 43.
- the first electrode 41 and the second electrode 42 are arranged to cross each other.
- the first electrode 41 includes a plurality of first sub-electrodes arranged along the first direction D1, and adjacent first sub-electrodes are bridged by a connecting bridge 21;
- the second electrode 42 includes a plurality of second sub-electrodes arranged along the second direction D2, and is connected between two adjacent second sub-electrodes along the second direction D2; the through hole 43 penetrates the first sub-electrode and the second sub-electrode. Sub-electrode.
- At least one of the first metal layer and the second metal layer further includes a compensation electrode surrounding the through hole 43.
- the compensation electrode includes a first compensation electrode 22 and a second compensation electrode 44, and the first compensation electrode 22 and the second compensation electrode 44
- the adjacent surface is the first end surface.
- the surface adjacent to the second compensation electrode 44 and the first compensation electrode 22 is the second end surface.
- the structures of the first end surface and the second end surface are complementary, and the first end surface or the second end surface is The length of the profile is greater than the thickness b of the first compensation electrode 22 or the second compensation electrode 44 along the direction of the center line OO' of the through hole.
- the first end surface or the second end surface may be a curved surface or a slope surface.
- the first compensation electrode 22 and the second compensation electrode 44 may both be provided on the first metal layer, or may both be provided on the second metal layer.
- the first end surface and the second end surface are both sloped surfaces, and the first compensation electrode 22 and the second compensation electrode 44 are both arranged on the second metal layer.
- the first end surface includes one or more first protrusions and one or more first spacers
- the second end surface includes one or more second protrusions and one or more The second spacer
- the first protrusion is located in the second spacer
- the second protrusion is located in the first spacer
- first compensation electrode 22 and the second compensation electrode 44 are arranged on a metal layer, a certain interval should be maintained between the first end surface and the second end surface to prevent the first electrode and the second electrode from being short-circuited.
- one of the first compensation electrode 22 and the second compensation electrode 44 is provided on the first metal layer, and the other is provided on the second metal layer.
- the first end surface and the second end surface are both curved, and the first compensation electrode 22 and the second compensation electrode 44 are both disposed on the second metal layer.
- the first end surface includes one or more first protrusions
- the second end surface includes one or more second protrusions
- the first protrusions and the second protrusions are arranged at intervals .
- the orthographic projection of the first protrusion on the substrate and the orthographic projection of the second compensation electrode on the substrate include overlapping areas; the orthographic projection of the second protrusion on the substrate and the first compensation
- the orthographic projection of the electrode on the substrate includes the overlapping area.
- the interval between the first end surface and the second end surface can be set to any small value, or the first end surface and the There may be overlap between the second compensation electrodes, and between the first compensation electrode and the second end surface, thereby further increasing the mutual induction area between the first electrode and the second electrode, and improving the incomplete touch electrode
- the sensing capacitor at the position improves the uniformity of touch performance in the entire effective display area.
- the simulation results show that using the overlapping structure of the first compensation electrode and the second compensation electrode shown in Figure 6, the Delta Cm parameter value of the incomplete touch electrode reaches 98.6% of the Delta Cm parameter value of the complete touch electrode, and The Delta Cm parameter values of the complete touch electrodes are almost the same, and the compensation effect is significantly improved.
- the Delta Cm parameter of the incomplete touch electrode after compensation can be adjusted to the complete touch electrode. 100% of the Delta Cm parameter even exceeds the Delta Cm parameter of the complete touch electrode.
- the embodiments of the present disclosure not only realize the touchability of the mounting hole area of the effective display area, but also significantly improve the uniformity of the touch performance of the entire effective display area.
- the first compensation electrode 22 may include N first compensation sub-electrodes, wherein M first compensation sub-electrodes are connected to the first sub-electrodes, and (NM) first compensation sub-electrodes are connected to the The first sub-electrode and the second sub-electrode are insulated, M is a natural number less than or equal to N, and N is a natural number greater than 1.
- the second compensation electrode 44 may include n pieces of second compensation sub-electrodes, wherein m pieces of second compensation sub-electrodes are connected to the second sub-electrodes, and (nm) pieces of second compensation sub-electrodes are connected to the The first sub-electrode and the second sub-electrode are insulated, m is a natural number less than or equal to n, and n is a natural number greater than 1.
- the touch display panel of the embodiment of the present disclosure by suspending part of the first compensation sub-electrode or part of the second compensation sub-electrode (that is, insulated from the first and second sub-electrodes), the added compensation sub-electrode and the second sub-electrode can be reduced.
- the self-capacitance value generated between the cathodes of the display panel improves the display quality of the display panel.
- the shape of the first compensation electrode 22 is a circular arc structure
- the shape of the second compensation electrode 44 is a circular arc structure
- the arc of the first compensation electrode 22 is located in the circle
- the second compensation electrode The center of the circle where the arc of 44 is located and the center of the circle where the through hole is located can coincide.
- the diameter of the circle where the arc of the first compensation electrode 22 is located and the diameter of the circle where the arc of the second compensation electrode 44 is located may be the same or may not be the same, which is not limited in the present disclosure.
- the "patterning process” referred to in the embodiments of the present disclosure includes processes such as depositing a film layer, coating photoresist, mask exposure, developing, etching, and stripping off the photoresist.
- the "patterning process” "Photolithography process” includes coating film, mask exposure, development and other treatments. The deposition can use sputtering, chemical vapor deposition and other processes.
- a driving structure layer, a flat layer, an anode, an organic light-emitting layer, and a cathode are sequentially formed on a substrate, and an encapsulation layer is formed on the side of the cathode away from the substrate to obtain a substrate 10.
- the driving structure layer includes a plurality of gate lines and a plurality of data lines.
- the plurality of gate lines and a plurality of data lines vertically intersect to define a plurality of pixel units arranged in a matrix.
- Each pixel unit includes at least 3 sub-pixels, and each sub-pixel includes One or more Thin Film Transistors (TFT).
- TFT Thin Film Transistors
- one pixel unit may include 3 sub-pixels, which are a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B, respectively.
- the solution of this embodiment is also applicable to a case where one pixel unit includes 4 sub-pixels (red sub-pixel R, green sub-pixel G, blue sub-pixel B, and white sub-pixel W).
- the preparation process of the driving structure layer may include: first cleaning the substrate, then preparing an active layer on the substrate through a patterning process, and then forming a first insulating layer covering the active layer.
- a gate line and a gate electrode are formed on the insulating layer, and then a second insulating layer covering the gate line and the gate electrode is formed, and a data line, a source electrode and a drain electrode are formed on the second insulating layer.
- the thin film transistor can be a bottom gate structure or a top gate structure, and can be an amorphous silicon (a-Si) thin film transistor, or a low temperature polysilicon (LTPS) thin film transistor or an oxide (Oxide) thin film transistor.
- the anode of each sub-pixel is connected to the drain electrode of the thin film transistor in the sub-pixel through a via hole on the flat layer.
- the organic light emitting layer may include a stacked hole injection layer (HIL), a hole transport layer (HTL), a light emitting layer (EML), an electron transport layer (ETL), and an electron injection layer (EIL), wherein the hole transport layer (HTL), light emitting layer (EML), electron transport layer (ETL) and electron injection layer (EIL) are sequentially arranged on the hole injection layer.
- the organic light-emitting layer is formed in the pixel opening area to realize the connection between the organic light-emitting layer and the anode.
- the encapsulation layer can block water and oxygen, and prevent external water vapor from corroding the organic light-emitting layer, thereby affecting the performance of the touch display panel.
- the encapsulation layer may adopt a laminated structure of inorganic material/organic material/inorganic material, and the organic material layer is arranged between two inorganic material layers.
- a first metal layer pattern is formed on the surface of the packaging layer away from the substrate.
- the first metal layer may include a plurality of connecting bridges 21 and first compensation electrodes 22 arranged at intervals.
- the connecting bridge 21 is located in the area where the touch electrode is to be formed, and the first compensation electrode 22 is located in the edge area of the through hole 43 to be formed.
- Forming the first metal layer pattern includes: depositing a conductive film on the substrate 10, coating a layer of photoresist on the conductive film, using a mask to expose and develop the photoresist, and forming an unexposed area at the position of the bridging layer pattern , The photoresist is retained, and the fully exposed area is formed at other locations, the photoresist is removed, the conductive film in the fully exposed area is etched and the remaining photoresist is stripped, and the first metal layer pattern is formed on the substrate 10.
- the conductive film can be made of metal materials, or transparent conductive materials, such as indium tin oxide ITO, indium zinc oxide IZO, carbon nanotubes, or graphene.
- the insulating layer 30 can be made of a transparent material, so that the touch panel can be used in a display panel with integrated touch control.
- the second metal layer may include a first electrode 41, a second electrode 42, a through hole 43, and a second metal layer.
- the pattern of the compensation electrode 44, the first electrode 41 includes a plurality of first sub-electrodes arranged along the first direction D1, and two adjacent first sub-electrodes along the first direction D1 are electrically connected to a connecting bridge 21 through a via hole
- the second electrode 42 includes a plurality of second sub-electrodes arranged along the second direction, and along the second direction D2, between two adjacent second sub-electrodes are connected to each other, the first direction D1 and the second direction D2 cross
- the through hole 43 penetrates the first sub-electrode and the second sub-electrode; the second compensation electrode 44 is located at the edge area of the through hole 43, the surface of the first compensation electrode 22 adjacent to the second compensation electrode 44 is the first end surface, The surface of
- Both the first direction D1 and the second direction D2 are perpendicular to the thickness direction of the packaging layer.
- the embodiment of the present disclosure does not limit the size of the included angle between the first direction D1 and the second direction D2, for example, the two may be perpendicular.
- both the first sub-electrode and the second sub-electrode are in a grid structure, and the materials of the first sub-electrode and the second sub-electrode are both metallic materials. Since the metal material has low resistance, good conductivity, and high sensitivity, the transmission delay of electrical signals in the first sub-electrode and the second sub-electrode can be avoided, and the touch effect can be improved.
- the shape of the grid in the grid structure can be a regular polygon or an irregular polygon shape.
- the first compensation electrode and the second compensation electrode are arranged around the position of the through hole, and the first end surface of the first compensation electrode and the second compensation electrode are
- the structure of the second end face of the compensation electrode is complementary, and the length of the outer contour of the first end face or the second end face is greater than the thickness of the first compensation electrode or the second compensation electrode along the center line of the through hole, which increases the mutual contact of the incomplete touch electrodes.
- the sensing area increases the sensing capacitance at the incomplete touch electrode and improves the uniformity of touch performance in the entire effective display area.
- the embodiment of the present disclosure also provides a manufacturing method of the touch display panel. As shown in FIG. 9, the manufacturing method of the touch display panel of the embodiment of the present disclosure includes:
- a second metal layer is formed on the side of the insulating layer away from the first metal layer, one of the first metal layer and the second metal layer includes a plurality of connecting bridges, and the other layer includes a first electrode and a second electrode
- the first electrode includes a plurality of first sub-electrodes arranged in a first direction, and adjacent first sub-electrodes are bridged by a connecting bridge
- the second electrode includes a plurality of second sub-electrodes arranged in a second direction Electrode, and in the second direction, two adjacent second sub-electrodes are connected to each other;
- at least one of the first metal layer and the second metal layer further includes a compensation electrode surrounding the through hole, and the compensation electrode includes the first Compensation electrode and second compensation electrode, the surface adjacent to the first compensation electrode and the second compensation electrode is the first end surface, the surface adjacent to the second compensation electrode and the first compensation electrode is the second end surface, the first end surface and the second
- the structure of the end surface is complementary, and the length of the
- the first end surface or the second end surface may be a curved surface or a slope surface.
- the first compensation electrode and the second compensation electrode may both be provided on the first metal layer, or may both be provided on the second metal layer.
- the first end surface includes one or more first protrusions and one or more first spacers
- the second end surface includes one or more second protrusions and one or more The second spacer
- the first protrusion is located in the second spacer
- the second protrusion is located in the first spacer
- one of the first compensation electrode and the second compensation electrode is provided on the first metal layer, and the other is provided on the second metal layer.
- the first end surface includes one or more first protrusions
- the second end surface includes one or more second protrusions
- the first protrusions and the second protrusions are arranged at intervals .
- the orthographic projection of the first protrusion on the substrate and the orthographic projection of the second compensation electrode on the substrate include overlapping areas; the orthographic projection of the second protrusion on the substrate and the first compensation
- the orthographic projection of the electrode on the substrate includes the overlapping area.
- the interval between the first end surface and the second end surface can be set to any small value, or between the first end surface and the second compensation electrode, There may be overlap between a compensation electrode and the second end surface, thereby further increasing the mutual induction area between the first electrode and the second electrode, increasing the inductive capacitance at the incomplete touch electrode, and increasing the overall The uniformity of touch performance in the effective display area.
- the first compensation electrode may include N first compensation sub-electrodes, wherein M first compensation sub-electrodes are connected to the first sub-electrodes, and (NM) first compensation sub-electrodes are connected to the first sub-electrodes.
- M is insulated from the second sub-electrode
- N is a natural number greater than 1.
- the second compensation electrode may include n pieces of second compensation sub-electrodes, wherein m pieces of second compensation sub-electrodes are connected to the second sub-electrodes, and (nm) pieces of second compensation sub-electrodes are connected to the second sub-electrodes.
- One sub-electrode is insulated from the second sub-electrode, m is a natural number less than or equal to n, and n is a natural number greater than 1.
- the center of the circle where the arc of the first compensation electrode is located, the circle where the arc of the second compensation electrode is located, and the circle where the through hole is located may coincide.
- the first compensation electrode and the second compensation electrode are arranged at the position surrounding the through hole, and the structure of the first end surface of the first compensation electrode and the second end surface of the second compensation electrode Complementary, and the length of the outer contour of the first end surface or the second end surface is greater than the thickness of the first compensation electrode or the second compensation electrode along the center line of the through hole, which increases the mutual induction area of incomplete touch electrodes and improves the The inductive capacitance at the complete touch electrode improves the uniformity of touch performance in the entire effective display area.
- An embodiment of the present disclosure also provides a touch display device, including the touch display panel of the foregoing embodiment.
- the touch display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and so on.
- connection should be interpreted broadly, for example, it may be a fixed connection or a detachable connection, or Integrally connected; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
- connection should be interpreted broadly, for example, it may be a fixed connection or a detachable connection, or Integrally connected; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
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Abstract
Description
Claims (18)
- 一种触控显示面板,包括基板、设置在基板上的第一金属层、设置在第一金属层远离基板一侧的绝缘层以及设置在绝缘层远离第一金属层一侧的第二金属层,其中:所述第一金属层和第二金属层中的其中一层包括多个连接桥,另一层包括第一电极、第二电极和通孔,所述第一电极包括多个沿第一方向排列的第一子电极,相邻的第一子电极之间通过连接桥桥接;所述第二电极包括多个沿第二方向排列的第二子电极,且沿第二方向上、相邻两个第二子电极之间相互连接;所述通孔贯穿所述第一子电极和第二子电极;所述第一金属层和第二金属层中的至少一层还包括环绕所述通孔的补偿电极,所述补偿电极包括第一补偿电极和第二补偿电极,所述第一补偿电极与所述第二补偿电极相邻的表面为第一端面,所述第二补偿电极与所述第一补偿电极相邻的表面为第二端面,所述第一端面和第二端面的结构互补,且所述第一端面的外轮廓的长度大于第一补偿电极沿通孔中心线方向的厚度。
- 根据权利要求1所述的触控显示面板,其中,所述第一补偿电极和所述第二补偿电极之中的至少一个,与一个所述第一子电极或一个第二子电极电连接。
- 根据权利要求1所述的触控显示面板,其中,所述第一补偿电极和第二补偿电极的设置位置包括以下至少之一:所述第一补偿电极和第二补偿电极均设置在所述第一金属层上;所述第一补偿电极和第二补偿电极均设置在所述第二金属层上;所述第一补偿电极和第二补偿电极中的一个设置在第一金属层上,另一个设置在第二金属层上。
- 根据权利要求1所述的触控显示面板,其中,所述第一端面和第二端面为曲面或坡面。
- 根据权利要求4所述的触控显示面板,其中,所述第一端面包括一个 或多个第一凸起部以及一个或多个第一间隔部,所述第二端面包括一个或多个第二凸起部以及一个或多个第二间隔部,所述第一凸起部位于所述第二间隔部中,所述第二凸起部位于所述第一间隔部中。
- 根据权利要求4所述的触控显示面板,其中,所述第一端面包括一个或多个第一凸起部,所述第二端面包括一个或多个第二凸起部,所述第一凸起部和所述第二凸起部间隔排列。
- 根据权利要求6所述的触控显示面板,其中,所述第一凸起部在所述基板上的正投影与所述第二补偿电极在所述基板上的正投影包含重叠区域;所述第二凸起部在所述基板上的正投影与所述第一补偿电极在所述基板上的正投影包含重叠区域。
- 根据权利要求1至7任一所述的触控显示面板,其中,所述第一补偿电极包括N块第一补偿子电极,其中,M块第一补偿子电极与所述第一子电极连接,(N-M)块第一补偿子电极与所述第一子电极和第二子电极绝缘,M为小于或等于N的自然数,N为大于1的自然数。
- 根据权利要求1至7任一所述的触控显示面板,其中,所述第二补偿电极包括n块第二补偿子电极,其中,m块第二补偿子电极与所述第二子电极连接,(n-m)块第二补偿子电极与所述第一子电极和第二子电极绝缘,m为小于或等于n的自然数,n为大于1的自然数。
- 根据权利要求1至7任一所述的触控显示面板,其中,所述第一补偿电极的形状为圆弧形结构,所述第二补偿电极的形状为圆弧形结构,所述第一补偿电极的圆弧所在圆、所述第二补偿电极的圆弧所在圆与所述通孔所在圆的圆心重合。
- 根据权利要求10所述的触控显示面板,其中,所述第一补偿电极的圆弧所在圆的直径与所述第二补偿电极的圆弧所在圆的直径相等。
- 一种触控显示装置,包括权利要求1至11任一所述的触控显示面板。
- 一种触控显示面板的制备方法,包括:在基板上形成第一金属层;在第一金属层远离基板的一侧形成绝缘层;在绝缘层远离第一金属层的一侧形成第二金属层,所述第一金属层和第二金属层中的其中一层包括多个连接桥,另一层包括第一电极、第二电极和通孔,所述第一电极包括多个沿第一方向排列的第一子电极,相邻的第一子电极之间通过所述连接桥桥接;所述第二电极包括多个沿第二方向排列的第二子电极,且沿第二方向上、相邻两个第二子电极之间相互连接;所述第一金属层和第二金属层中的至少一层还包括环绕所述通孔的补偿电极,所述补偿电极包括第一补偿电极和第二补偿电极,所述第一补偿电极与所述第二补偿电极相邻的表面为第一端面,所述第二补偿电极与所述第一补偿电极相邻的表面为第二端面,所述第一端面和第二端面的结构互补,且所述第一端面的外轮廓的长度大于第一补偿电极沿通孔中心线方向的厚度。
- 根据权利要求13所述的制备方法,其中,所述第一补偿电极和第二补偿电极的设置位置,包括以下任意一种:所述第一补偿电极和第二补偿电极均设置在所述第一金属层上;所述第一补偿电极和第二补偿电极均设置在所述第二金属层上;所述第一补偿电极和第二补偿电极中的一个设置在所述第一金属层上,另一个设置在所述第二金属层上。
- 根据权利要求13所述的制备方法,其中,所述第一端面和第二端面为曲面或坡面。
- 根据权利要求15所述的制备方法,其中,所述第一端面包括一个或多个第一凸起部以及一个或多个第一间隔部,所述第二端面包括一个或多个第二凸起部以及一个或多个第二间隔部,所述第一凸起部位于所述第二间隔部中,所述第二凸起部位于所述第一间隔部中。
- 根据权利要求15所述的制备方法,其中,所述第一端面包括一个或 多个第一凸起部,所述第二端面包括一个或多个第二凸起部,所述第一凸起部和所述第二凸起部间隔排列。
- 根据权利要求17所述的制备方法,其中,所述第一凸起部在所述基板上的正投影与所述第二补偿电极在所述基板上的正投影包含重叠区域;所述第二凸起部在所述基板上的正投影与所述第一补偿电极在所述基板上的正投影包含重叠区域。
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WO2022056783A1 (zh) * | 2020-09-17 | 2022-03-24 | 京东方科技集团股份有限公司 | 触控面板、触控显示面板和电子装置 |
US11829568B2 (en) | 2020-09-27 | 2023-11-28 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch control structure and display apparatus |
CN112631459B (zh) * | 2020-12-25 | 2022-06-28 | 湖北长江新型显示产业创新中心有限公司 | 一种显示装置及电子设备 |
CN112835473B (zh) | 2021-02-24 | 2023-12-12 | 厦门天马微电子有限公司 | 一种显示面板、显示装置和显示面板的制备方法 |
CN113253872B (zh) * | 2021-05-24 | 2023-11-28 | 武汉华星光电技术有限公司 | 触控面板和显示装置 |
CN113451385B (zh) * | 2021-08-30 | 2021-11-12 | 北京京东方技术开发有限公司 | 显示基板和显示装置 |
CN115268702B (zh) * | 2022-09-30 | 2023-01-24 | 惠科股份有限公司 | 触控面板和触控显示装置 |
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