CN113282187A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN113282187A CN113282187A CN202010103823.2A CN202010103823A CN113282187A CN 113282187 A CN113282187 A CN 113282187A CN 202010103823 A CN202010103823 A CN 202010103823A CN 113282187 A CN113282187 A CN 113282187A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Position Input By Displaying (AREA)
Abstract
The invention discloses a display panel and a display device, belonging to the technical field of display, wherein the display panel comprises a plurality of scanning lines, a plurality of data lines and a plurality of sub-pixels, and each sub-pixel at least comprises a pixel electrode and a common electrode; the display area comprises a plurality of first touch electrodes and a plurality of second touch electrodes, the first touch electrodes multiplex the common electrodes, and the second touch electrodes are positioned between adjacent sub-pixels along a first direction; at least part of the first touch electrode wiring is positioned in the first non-display area, and the rest part of the first touch electrode wiring is positioned in the second non-display area; the first touch electrode is electrically connected with the driving chip through the first touch electrode routing, and the second touch electrode is electrically connected with the driving chip. The display device comprises the display panel. The invention can reduce the number of touch-control wires arranged in the display area, is beneficial to realizing the touch-control effect of high resolution and high touch-control sensitivity, and can also reduce the lower frame of the display panel and realize the narrow frame design of the display panel.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
Currently, touch display technology has gradually replaced key technology as the mainstream technology of mobile terminals and the like. The application range of the touch display device is very wide, and the main products include mobile terminals such as touch mobile phones and notebook computers, and man-machine display devices in the industrial automation industry. The touch display screen is used as an input medium, and is the simplest and most convenient man-machine interaction mode at present, so that the touch display screen is increasingly applied to various electronic products. The touch display principle is that when a finger or other medium touches a display screen, voltage, current, sound wave or infrared ray and the like are detected according to different induction modes, so that the coordinate position of a touch point is measured, and corresponding display is performed according to the coordinate position. The embedded touch display device is formed by directly integrating touch electrodes on the inner side or the outer side of a substrate of the liquid crystal display device, so that the whole display device is light and thin.
The touch display panel can be divided into a self-contained touch display panel and a mutual-contained touch display panel according to different touch principles. For example, in a self-contained touch display panel, block-shaped touch electrodes are arranged in a matrix, each touch electrode is connected to a plurality of touch signal lines, and each touch signal line is connected to a driving circuit, and transmits signals between the touch electrode and the driving circuit. The sensitivity of touch detection is generally inversely proportional to the size of the touch electrode, and the smaller the touch electrode is, the smaller the size of the minimum touch point that can be sensed by the touch display device is, the higher the touch sensitivity is. As the resolution of the touch display device is continuously increased, the requirement for the touch sensitivity is gradually increased. In order to meet the requirements of high resolution and high touch sensitivity, the number of touch electrodes needs to be increased, so that the number of touch signal lines is increased, which is not favorable for the design of a narrow-frame touch display device.
Along with the whole screen display screen receives consumer's favor more and more, the market is also higher and higher to the screen ratio requirement of touch-control display module assembly, also consequently the frame of touch-sensitive screen and display screen also requires more and more narrowly. In the conventional embedded touch display device, touch sensitivity and a narrow frame cannot be considered at the same time.
Therefore, it is an urgent technical problem to provide a display panel and a display device that can improve touch sensitivity, realize a narrow bezel, and facilitate full-screen display.
Disclosure of Invention
In view of the above, the present invention provides a display panel and a display device, so as to solve the problem that the touch sensitivity and the narrow frame of the in-cell touch display device in the prior art cannot be considered at the same time.
The invention discloses a display panel, comprising: the array pixel structure comprises a plurality of scanning lines, a plurality of data lines and a plurality of sub-pixels, wherein the scanning lines are arranged along a second direction and extend along the first direction; wherein the first direction and the second direction intersect; the display area comprises a plurality of first touch electrodes which are arranged along the second direction and extend along the first direction, and a plurality of second touch electrodes which are arranged along the first direction and extend along the second direction, wherein the first touch electrodes multiplex a common electrode, and the second touch electrodes are positioned between adjacent sub-pixels along the first direction; the non-display area comprises a first touch electrode wire, the non-display area comprises a first non-display area and a second non-display area, the first non-display area and the second non-display area are positioned on two opposite sides of the display area along a first direction, at least part of the first touch electrode wire is positioned in the first non-display area, and the rest of the first touch electrode wire is positioned in the second non-display area; the first touch electrode is electrically connected with the driving chip through the first touch electrode routing, and the second touch electrode is electrically connected with the driving chip.
Based on the same inventive concept, the invention also discloses a display device, which comprises the display panel.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
the display area in the display panel comprises a plurality of first touch electrodes which are arranged along the second direction and extend along the first direction, and a plurality of second touch electrodes which are arranged along the first direction and extend along the second direction, wherein the first touch electrodes and the second touch electrodes form a capacitor at the crossed position, namely the first touch electrodes and the second touch electrodes respectively form two poles of the capacitor, so that a mutual capacitance touch mode is formed, the touch sensitivity of the capacitance touch mode is high, and multi-point touch can be realized. Because the first touch electrode routing is at least partially positioned in the first non-display area, the rest part is positioned in the second non-display area, the first non-display area and the second non-display area are respectively positioned at two opposite sides of the display area along the first direction, namely, the first touch electrode routing is routed from two side frames of the display panel, even if the number of touch electrodes in a unit area needs to be increased to meet the requirements of high resolution and high touch sensitivity, the number of touch signal lines electrically connected with the touch electrodes is increased, but because the first touch routing electrically connected with the first touch electrode is routed from the two side frames of the display panel, the number of touch routing arranged in the display area can be reduced, and the touch effect of high resolution and high touch sensitivity is favorably realized. Along the first direction, the second touch electrode is located between adjacent sub-pixels, namely the second touch electrode can be used as a touch electrode and can also be used as a touch electrode routing wire, the second touch electrode is directly electrically connected with the driving chip, and the driving chip transmits a touch signal to the second touch electrode, so that the lower frame of the display panel is reduced, and the narrow frame design of the display panel is realized.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic plan view of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of the display area of FIG. 1;
FIG. 3 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 4 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 5 is a schematic cross-sectional view of the region A in FIG. 4;
FIG. 6 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 7 is a schematic cross-sectional view of the region B in FIG. 6;
FIG. 8 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 9 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 10 is a schematic cross-sectional view taken along line C-C' of FIG. 9;
FIG. 11 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 12 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 13 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 14 is another enlarged partial schematic view of the display area of FIG. 1;
FIG. 15 is an enlarged partial schematic view of FIG. 1;
FIG. 16 is another enlarged partial schematic view of FIG. 1;
FIG. 17 is another enlarged partial schematic view of FIG. 1;
fig. 18 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic plan view of a display panel according to an embodiment of the present invention, fig. 2 is a schematic partial enlarged view of a display area in fig. 1 (for clearly illustrating the structure of the embodiment, transparency setting is performed on filling of the first touch electrode 30 in fig. 2), and a display panel 000 according to the embodiment includes: a plurality of scanning lines G arranged along the second direction Y and extending along the first direction X, a plurality of data lines S arranged along the first direction X and extending along the second direction Y, and a plurality of sub-pixels PX arranged in an array, wherein the scanning lines G and the data lines S are crossed and insulated to define an area where the sub-pixels PX are located, and each sub-pixel PX at least comprises a pixel electrode 10 and a common electrode 20 (not shown in fig. 1); wherein the first direction X and the second direction Y intersect; preferably, the first direction X and the second direction Y are perpendicular to each other;
the display area AA comprises a plurality of first touch electrodes 30 which are arranged along the second direction Y and extend along the first direction X, and a plurality of second touch electrodes 40 which are arranged along the first direction X and extend along the second direction Y, optionally, the first touch electrodes 30 and the second touch electrodes 40 can be both of a strip structure or a linear structure or other structures with an overall shape of a strip, wherein the first touch electrodes 30 multiplex the common electrodes 20, and the second touch electrodes 40 are located between adjacent subpixels PX along the first direction X; the non-display area NA includes a first touch electrode trace TP along a first direction X, the non-display area NA includes a first non-display area NA1 and a second non-display area NA2 located at opposite sides of the display area AA, the first touch electrode trace TP is at least partially located in the first non-display area NA1, and the rest is located in the second non-display area NA 2;
the first touch electrode 30 is electrically connected to the driving chip IC through the first touch electrode trace TP, and the second touch electrode 40 is electrically connected to the driving chip IC.
Specifically, in the display panel 000 of the embodiment, the display area AA includes a plurality of first touch electrodes 30 arranged along the second direction Y and extending along the first direction X, and a plurality of second touch electrodes 40 arranged along the first direction X and extending along the second direction Y, where a capacitor is formed at a position where the first touch electrodes 30 and the second touch electrodes 40 cross each other, that is, the first touch electrodes 30 and the second touch electrodes 40 respectively form two poles of the capacitor, so as to form a mutual capacitance touch mode, which has high touch sensitivity and can implement multi-point touch. When a finger touches the display panel, coupling between the first touch electrode 30 and the second touch electrode 40 near the touch point is affected, thereby changing the capacitance between the two electrodes. The touch detection principle of the display panel of the embodiment may be as follows: the first touch electrodes 30 extending along the first direction X sequentially send out excitation signals, and all the second touch electrodes 40 extending along the second direction Y simultaneously receive signals (optionally, the second touch electrodes 40 extending along the second direction Y sequentially send out excitation signals, and all the first touch electrodes 30 extending along the first direction X simultaneously receive signals, that is, the first touch electrodes 30 may be one of touch sensing electrodes and touch driving electrodes, and the second touch electrodes 40 may be the other of touch sensing electrodes and touch driving electrodes), so that the capacitance values of the intersections of all the first touch electrodes 30 and the second touch electrodes 40, that is, the capacitance values of the two-dimensional plane of the entire display panel 000, can be obtained, and the coordinates of each touch point can be calculated according to the two-dimensional plane capacitance variation data. Therefore, even if a plurality of touch points exist on the display panel, the real coordinate of each touch point can be calculated, and multi-point touch detection is realized. In the present embodiment, the first touch electrode 30 multiplexes the common electrode 20, the first touch electrode 30 is electrically connected to the driving chip IC through the first touch electrode trace TP, in the display stage, the driving chip IC can provide a common potential signal to the common electrode 20 multiplexed as the first touch electrode 30 through the first touch electrode trace TP, and the driving chip IC also provides a common potential signal to the second touch electrode 40, so as to implement the display function of the panel; in the touch stage, if the first touch electrode 30 is used as a touch sensing electrode and the second touch electrode 40 is used as a touch driving electrode, since the second touch electrode 40 is directly electrically connected to the driving chip IC, the driving chip IC may apply a touch driving signal to the second touch electrode 40, the driving chip IC may detect capacitance and its variation to the first touch electrode 30 multiplexed as the common electrode 20 through the first touch electrode trace TP, and when a finger touches, the coupling between the first touch electrode 30 and the second touch electrode 40 near the touch point is affected, so that the capacitance between the two electrodes is changed, and the driving chip IC detects the change of capacitance at the touch point position to confirm the position of the touch point, thereby implementing the touch detection function. Therefore, the touch display panel integrating the display function and the touch function can be obtained while the manufacturing cost is saved.
Since the first touch electrode trace TP of this embodiment is at least partially located in the first non-display area NA1, and the remaining portion is located in the second non-display area NA2, the first non-display area NA1 and the second non-display area NA2 are respectively located at two opposite sides of the first direction X display area AA, that is, the first touch electrode trace TP is routed from two side frames of the display panel 000, even if the number of touch electrodes in a unit area needs to be increased to meet the requirements of high resolution and high touch sensitivity, which increases the number of touch signal lines electrically connected thereto, since the first touch trace TP electrically connected to the first touch electrode 30 is routed from two side frames of the display panel 000, the number of touch traces arranged in the display area AA can be reduced, which is favorable for achieving the touch effect of high resolution and high touch sensitivity. Along the first direction X, the second touch electrode 40 is located between adjacent sub-pixels PX, that is, the second touch electrode 40 can be used as a touch electrode or a touch electrode routing, and the second touch electrode 40 is directly electrically connected to the driving chip IC, and transmits a touch signal to the second touch electrode 40 through the driving chip IC, thereby being beneficial to reducing the lower frame of the display panel and realizing the narrow frame design of the display panel 000.
It should be noted that, in the general display panel 000, the common electrode 20 connected to the common potential signal may be disposed on the whole surface, but since the first touch electrode 30 in this embodiment is multiplexed with the common electrode 20, the common electrode 20 in this embodiment is a stripe structure arranged along the second direction Y and extending along the first direction X. The present embodiment only schematically illustrates the structure of the display panel 000 related to the technical invention of the present embodiment, but not limited to this structure, and may also include other structures capable of implementing a display function, such as a thin film transistor electrically connected to the pixel electrode 10.
In some optional embodiments, please refer to fig. 1 and fig. 2, in the present embodiment, the second touch electrode 40 is disposed on the same layer as the data line S.
The second touch electrode 40 of the present embodiment may be disposed on the same layer as the data line S, i.e., the second touch electrode 40 is directly disposed on the same layer as the data line S without additionally disposing a metal layer as a touch electrode layer, which simplifies the process and is beneficial to implementing the thin design of the display panel 000.
In some optional embodiments, please refer to fig. 1 and fig. 3, fig. 3 is another partial enlarged schematic view of the display area in fig. 1 (in order to clearly illustrate the structure of the present embodiment, transparency of the filling of the first touch electrode 30 is set in fig. 3), in the present embodiment, each first touch electrode 30 includes a plurality of first touch electrode blocks 301 and a plurality of connecting portions 302 arranged along the first direction X, and adjacent first touch electrode blocks 301 are connected by the connecting portions 302; the connection portion 302 and the second touch electrode 40 overlap each other in a direction perpendicular to the light emitting surface of the display panel 000. In the same first touch electrode 30, along the second direction Y, the width W2 of the connection portion 302 is smaller than the width W1 of the first touch electrode block 301.
The present embodiment explains a structure that the first touch electrode 30 can be divided into a plurality of portions sequentially arranged along the first direction X, that is, each first touch electrode 30 includes a plurality of first touch electrode blocks 301 and a plurality of connecting portions 302 arranged along the first direction X, where, along a direction perpendicular to the light emitting surface of the display panel 000, the connecting portions 302 are overlapped with the second touch electrodes 40, the rest are the first touch electrode blocks 301, and the adjacent first touch electrode blocks 301 are connected by the connecting portions 302. In the same first touch electrode 30, along the second direction Y, the width W2 of the connection portion 302 is smaller than the width W1 of the first touch electrode block 301, that is, the width of the first touch electrode 30 at the overlapping position of the first touch electrode 30 and the second touch electrode 40 is smaller than the width of the first touch electrode 30 at other positions, the first touch electrode 30 above the layer where the second touch electrode 40 is located is provided with a hollow structure, the first touch electrode 30 multiplexes the common electrode 20, and the second touch electrode 40 is disposed on the same layer as the data line S, so that in the same first touch electrode 30, along the second direction Y, the width W2 of the connection portion 302 is smaller than the width W1 of the first touch electrode block 301, and the second touch electrode 40 on the same layer as the data line S can emit an electric field upwards (i.e., towards the layer where the common electrode 20 is located), which is beneficial to enhance the electric field strength.
In some optional embodiments, please refer to fig. 1, fig. 4 and fig. 5, fig. 4 is another partial enlarged schematic view of the display area in fig. 1 (for clarity, the filling of the first touch electrode 30 is performed with transparency in fig. 4), fig. 5 is a schematic view of a cross-sectional structure of the area a in fig. 4, in this embodiment, the display panel 000 further includes a plurality of first metal traces 50 extending along the first direction X and arranged along the second direction Y, and along the direction Z perpendicular to the light emitting surface of the display panel 000, the first metal traces 50 are located on a side of the first touch electrode 30 away from the second touch electrode 40 and are attached to the first touch electrode 30.
In this embodiment, since the common electrode 20 is a whole strip structure extending along the first direction X and generally has a larger resistance, in order to reduce the resistance of the common electrode 20 (i.e. the first touch electrode 30) in the first direction X, in this embodiment, a plurality of first metal traces 50 extending along the first direction X and arranged along the second direction Y are disposed on the display panel 000, and along the direction Z perpendicular to the light emitting surface of the display panel 000, the first metal traces 50 are disposed on one side of the first touch electrode 30 away from the second touch electrode 40 and attached to the first touch electrode 30. The first metal trace 50 directly attached to the first touch electrode 30 in this embodiment is equivalent to a first metal trace 50 with a smaller resistance connected in parallel to the first touch electrode 30, so that the lateral resistance of the entire common electrode 20 in the first direction X can be reduced.
It should be noted that, because the first metal trace 50 is located on one side of the first touch electrode 30 away from the second touch electrode 40, and is attached to the first touch electrode 30, when manufacturing, a half-tone mask may be used (that is, a half-tone mask is used to etch two film layers that are directly contacted together with each other with a same photomask), and a plurality of first metal traces 50 are formed on a layer (generally, a transparent conductive layer ITO, Indium Tin Oxides) where the common electrode 20 is located through sputtering, exposure, and subsequent development processes. In the embodiment, the half-tone technology is adopted, so that the total number of photomasks used in the manufacturing process of the display panel can be reduced, and the cost is reduced. It should be further noted that fig. 5 of the present embodiment only schematically illustrates a cross-sectional structure of the area a in fig. 4, wherein other insulating layers (not filled in the drawing) may be included between the film layer where the first touch electrode 30 is located and the film layer where the second touch electrode 40 is located, but the present embodiment is not limited to the film layer structure shown in fig. 5, and the film layer structure can be understood according to the film layer structure of the display panel in the related art (for example, the film layer where the scan line G is located) in the specific implementation.
In some alternative embodiments, please refer to fig. 1, fig. 6 and fig. 7, fig. 6 is another partial enlarged schematic view of the display area in fig. 1 (for clarity, the filling of the first touch electrode 30 in fig. 6 is performed with transparency setting), fig. 7 is a schematic cross-sectional view of the area B in fig. 6, in this embodiment, the display panel 000 further includes a plurality of first metal traces 50 extending along the first direction X and arranged along the second direction Y, in a direction Z perpendicular to the light emitting surface 000 of the display panel, the first metal trace 50 is located on one side of the first touch electrode 30 close to the second touch electrode 40, at least one first insulating layer 70 (not shown in fig. 6) is disposed between the first metal trace 50 and the first touch electrode 30, the first insulating layer 70 is provided with a first via hole 701, and the first touch electrode 30 and the first metal trace 50 are electrically connected through the first via hole 701.
In this embodiment, since the common electrode 20 is a whole strip structure extending along the first direction X and generally has a larger resistance, in order to reduce the resistance of the common electrode 20 (i.e. the first touch electrode 30) in the first direction X, in this embodiment, a plurality of first metal traces 50 extending along the first direction X and arranged along the second direction Y are disposed on the display panel 000, and along the direction Z perpendicular to the light emitting surface of the display panel 000, the first metal traces 50 are located on one side of the first touch electrode 30 close to the second touch electrode 40, that is, the film layer where the first metal traces 50 are located is located between the film layer where the first touch electrode 30 is located and the film layer where the second touch electrode 40 is located, that is, between the film layer where the common electrode 20 is located and the film layer where the data line S is located. In order to avoid the short circuit phenomenon between the film layer where the first touch electrode 30 is located and the film layer where the second touch electrode 40 is located, the first insulating layer 70 is disposed between the film layer where the first touch electrode 30 is located and the film layer where the second touch electrode 40 is located, and the first via hole 701 is formed in the first insulating layer 70, so that the first touch electrode 30 and the first metal trace 50 are electrically connected in parallel through the first via hole 701, which is equivalent to that one first metal trace 50 with a smaller resistance is connected in parallel below the first touch electrode 30, and thus the transverse resistance of the whole common electrode 20 in the first direction X can be reduced.
In some optional embodiments, please continue to refer to fig. 1, fig. 6 and fig. 7, in the present embodiment, the first via hole 701 and the second touch electrode 40 are at least partially overlapped along a direction perpendicular to the light emitting surface of the display panel 000.
The present embodiment further explains that the first via hole 701 is formed in the first insulating layer 70, so that the first touch electrode 30 and the first metal trace 50 are electrically connected in parallel through the first via hole 701, which is equivalent to that a first metal trace 50 with smaller resistance is connected in parallel below the first touch electrode 30, thereby the lateral resistance of the whole common electrode 20 in the first direction X can be reduced, and the position where the first via hole 701 is formed on the first insulating layer 70 can be designed to be along the direction perpendicular to the light emitting surface of the display panel 000, and the first via hole 701 and the second touch electrode 40 are at least partially overlapped, thereby being beneficial to improving the aperture ratio of the display panel 000.
In some optional embodiments, please continue to refer to fig. 1 and fig. 6, in the present embodiment, the first via hole 701 and the scan line G are not overlapped along a direction perpendicular to the light exit surface of the display panel 000.
The present embodiment further explains that the first via hole 701 is formed in the first insulating layer 70, so that the first touch electrode 30 and the first metal trace 50 are electrically connected in parallel through the first via hole 701, which is equivalent to that a first metal trace 50 with a smaller resistance is connected in parallel below the first touch electrode 30, thereby the lateral resistance of the whole common electrode 20 in the first direction X can be reduced, and the position where the first via hole 701 is formed on the first insulating layer 70 can be designed to be along a direction perpendicular to the light emitting surface of the display panel 000, and the first via hole 701 and the second touch electrode 40 are at least partially overlapped, so that while the aperture ratio of the display panel 000 is favorably improved, the first via hole 701 may not be overlapped with the scan line G, thereby favorably reducing the load of the scan line G, and further favorably reducing power consumption.
In some optional embodiments, please refer to fig. 1 and 8, fig. 8 is another partial enlarged schematic view of the display area in fig. 1 (for clarity, the filling of the first touch electrode 30 is performed in fig. 8, and transparency is set for clarity of the structure of the present embodiment).
The present embodiment further explains that by forming the first via hole 701 in the first insulating layer 70, the first touch electrode 30 and the first metal trace 50 are electrically connected in parallel through the first via hole 701, which is equivalent to parallel connection of a first metal trace 50 with smaller resistance below the first touch electrode 30, so that the lateral resistance of the whole common electrode 20 in the first direction X can be reduced, and the position where the first via hole 701 is formed in the first insulating layer 70 can be designed to be along the direction perpendicular to the light emitting surface of the display panel 000, and the first via hole 701 and the second touch electrode 40 are at least partially overlapped, while the aperture ratio of the display panel 000 is favorably improved, the first via hole 701 and the scan line G can be overlapped with each other, so that the first via hole 701, the second touch electrode 40, and the scan line G are overlapped with each other in the direction perpendicular to the light emitting surface of the display panel 000, the aperture ratio of the display panel 000 can be further improved.
In some optional embodiments, please refer to fig. 1, 9 and 10, fig. 9 is another partially enlarged schematic view of the display area in fig. 1 (to clearly illustrate the structure of the present embodiment, the filling of the first touch electrode 30 is performed with transparency in fig. 9), fig. 10 is a schematic view of a cross-sectional structure along the direction C-C' in fig. 9, in the present embodiment, along a direction perpendicular to the light emitting surface of the display panel 000, the first metal trace 50 is located on a side of the scan line G away from the second touch electrode 40, at least one second insulating layer 80 is disposed between the first metal trace 50 and the first touch electrode 30, the second insulating layer 80 is provided with a second via 801, and the first touch electrode 30 and the first metal trace 50 are electrically connected through the second via 801; in a direction perpendicular to the light emitting surface of the display panel 000, the second via hole 801 and the second touch electrode 40 are not overlapped with each other, and the second via hole 801 and the scanning line G are not overlapped with each other.
In this embodiment, it is explained that since the common electrode 20 is a whole strip structure extending along the first direction X, and the general resistance is relatively large, in order to reduce the resistance of the common electrode 20 (i.e. the first touch electrode 30) in the first direction X, in this embodiment, a plurality of first metal traces 50 extending along the first direction X and arranged along the second direction Y are disposed on the display panel 000, and along the direction Z perpendicular to the light emitting surface of the display panel 000, the first metal traces 50 are located on one side of the scan line G away from the second touch electrode 40, that is, the film layer where the first metal traces 50 are located is located on one side of the film layer where the scan line G is located away from the second touch electrode 40, that is, located below the film layer where the scan line G is located, and along the direction Z perpendicular to the light emitting surface of the display panel 000, the film layer structure of the display panel 000 at least includes, from bottom to top: a film layer (which can be reused as a light-shielding metal layer), an insulating layer (buffer layer), a film layer where the scanning line G is located, a gate insulating layer GI, a film layer where the second touch electrode 40 is located (a film layer where the data line S is located), an interlayer insulating layer ILD, a first touch electrode 30 (a film layer where the common electrode 20 is located), an insulating layer (PV), and a film layer where the pixel electrode 10 is located, wherein a second insulating layer 80 (the second insulating layer 80 may be formed by overlapping a buffer layer, a gate insulating layer, and an interlayer insulating layer) is disposed between the film layer where the first metal trace 50 is located and the film layer where the scanning line G is located, and the second insulating layer 80 is provided with a second via hole 801, such that the first touch electrode 30 and the first metal trace 50 are electrically connected in parallel through the first via hole 701, which is equivalent to connecting one first metal trace 50 trace with a smaller resistance in parallel below the first touch, so that the lateral resistance of the entire common electrode 20 in the first direction X can be reduced. In addition, in the embodiment, the film layer where the first metal trace 50 is located on one side of the film layer where the scanning line G is located, which is far away from the film layer where the second touch electrode 40 is located, so that a risk that the film layer where the first metal trace 50 is located is scratched can be avoided, no other metal layer exists between the transparent conductive layer where the pixel electrode 10 (not shown in the figure, which can be located between the film layer where the data line S is located and the film layer where the common electrode 20 is located) and the transparent conductive layer where the common electrode 20 is located, only one insulating layer is arranged, the thickness between the two transparent conductive layers is smaller, the corresponding storage capacitor is larger, a better flicker value can be obtained, and the display effect is better.
In some optional embodiments, please refer to fig. 1 and 11, fig. 11 is another partial enlarged schematic view of the display area in fig. 1 (for clarity, the filling of the first touch electrode 30 is set to be transparent in fig. 11), in this embodiment, the second touch electrode 40 includes a first portion 401 and a second portion 402 sequentially arranged along the second direction Y, the first portion 401 and the pixel electrode 10 at least partially overlap each other in the projection in the first direction X, and the second portion 402 at least partially overlaps with the first metal trace 50 and the projection in the first direction X of the scan line G; along the first direction X, the width D1 of the first section 401 is greater than the width D2 of the second section 402.
The present embodiment explains that, along the second direction Y, the second touch electrode 40 may sequentially include the first portion 401 and the second portion 402 with different widths, and along the first direction X, the width D1 of the first portion 401 is greater than the width D2 of the second portion 402, while the projection of the first portion 401 and the pixel electrode 10 on the first direction X at least partially coincides, the second portion 402 and the projection of the first metal trace 50 and the scan line G on the first direction X at least partially coincide, that is, the second portion 402 is located at a position where the second touch electrode 40 and the scan line G and the first metal trace 50 have an overlapping structure, a portion where the second touch electrode 40 overlaps the scan line G and a portion where the second touch electrode 40 overlaps the first metal trace 50 both belong to the second portion 402 of the second touch electrode 40, and since along the first direction X, the width D1 of the first portion 401 is greater than the width D2 of the second portion 402, therefore, the overlapping area of the second touch electrode 40 and the scanning line G can be further reduced, which is beneficial to reducing the parasitic capacitance and enabling the display panel to obtain better display performance.
In some optional embodiments, please refer to fig. 1 and 12, and fig. 12 is another partial enlarged schematic view of the display area in fig. 1 (in order to clearly illustrate the structure of the present embodiment, the filling of the first touch electrode 30 is performed with transparency in fig. 12), in the present embodiment, along the second direction Y, at least two first metal traces 50 are electrically connected through a connection trace 90, and the connection trace 90 extends along the second direction Y and is disposed at the same layer as the first metal trace 50.
The embodiment explains that along the second direction Y, at least two first metal traces 50 are electrically connected through the connecting trace 90, and the connecting trace 90 extends along the second direction Y, that is, the at least two first metal traces 50 arranged along the second direction Y are electrically connected through the connecting trace 90, and because the first metal traces 50 and the first touch electrodes 30 are electrically connected in parallel through corresponding vias, the arrangement of the connecting trace 90 is equivalent to further reducing the parallel resistance of the first touch electrodes 30 and the first metal traces 50, so that the vertical resistance of the whole first touch electrodes 30 (common electrodes 20) in the first direction Y can be further reduced.
In some optional embodiments, please continue to refer to fig. 1 and 12, in the present embodiment, the connection trace 90 and the second touch electrode 40 are at least partially overlapped along a direction perpendicular to the light exit surface of the display panel 000.
The present embodiment further explains that, along the direction perpendicular to the light exit surface of the display panel 000, the connecting trace 90 electrically connecting at least two first metal traces 50 arranged along the second direction Y may at least partially overlap with the second touch electrode 40, so as to reduce the overlapping area between the connecting trace 90 and the second touch electrode 40, which is beneficial to reducing the parasitic capacitance generated by the connecting trace 90 and the second touch electrode 40, and improve the display quality of the display panel.
In some optional embodiments, please refer to fig. 1 and 13, fig. 13 is another partial enlarged schematic view of the display area in fig. 1 (for clearly illustrating the structure of the present embodiment, the filling of the first touch electrode 30 is performed with transparency in fig. 13), in the present embodiment, the connection trace 90 completely overlaps the second touch electrode 40 along a direction perpendicular to the light emitting surface of the display panel 000.
The present embodiment further explains that the connecting trace 90 electrically connecting the at least two first metal traces 50 arranged along the second direction Y along the direction perpendicular to the light emitting surface of the display panel 000 can be completely overlapped with the second touch electrode 40, thereby facilitating to improve the aperture ratio of the display panel 000.
It should be noted that, as shown in fig. 13, when the second touch electrode 40 includes the first portion 401 and the second portion 402 with different widths, the connection trace 90 also includes portions with different widths, and in fig. 13, since the connection trace 90 and the first metal trace 50 are disposed on the same layer, that is, the film layer where the connection trace 90 is located below the film layer where the second touch electrode 40 is located, the film layer of the second touch electrode 40 is disposed with transparency in fig. 13, so as to clearly indicate a structure where the connection trace 90 and the second touch electrode 40 are completely overlapped.
In some optional embodiments, please refer to fig. 1 and 14, fig. 14 is another partially enlarged schematic view of the display area in fig. 1 (in order to clearly illustrate the structure of the present embodiment, the transparency of the filling of the first touch electrode 30 is set in fig. 14), in the present embodiment, the display panel 000 further includes a plurality of second metal traces 50L, the second metal traces 50L include a first trace 50L1, a second trace 50L2 and a third trace 50L3 that are connected end to end, one end of the second trace 50L2 is connected to the first trace 50L1, and the other end of the second trace 50L2 is connected to the third trace 50L 3; the first trace 50L1 and the third trace 50L3 extend along the first direction X, projections of the first trace 50L1 and the second trace 50L2 in the first direction X do not overlap, and the second trace 50L2 extends along the second direction Y. A plurality of sub-pixels PX arranged in the first direction X form a sub-pixel row PXH, and a plurality of sub-pixel rows PXH are arranged in the second direction Y; a plurality of sub-pixels PX arranged in the second direction Y form a sub-pixel column PXL, and the plurality of sub-pixel columns PXL are arranged in the first direction X; the first routing line 50L1 and the third routing line 50L3 are respectively located in the adjacent sub-pixel rows PXH.
The embodiment explains that since the common electrode 20 is a whole strip-shaped structure extending along the first direction X and has a larger general resistance, in order to reduce the resistance of the common electrode 20 (i.e. the first touch electrode 30) in the first direction X, a plurality of second metal traces 50L may be disposed on the display panel 000, and the second metal traces 50L are not a linear structure but include a first trace 50L1, a second trace 50L2 and a third trace 50L3 connected end to end, one end of the second trace 50L2 is connected to the first trace 50L1, and the other end of the second trace 50L2 is connected to the third trace 50L 3; the first routing line 50L1 and the third routing line 50L3 extend along the first direction X, projections of the first routing line 50L1 and the second routing line 50L2 in the first direction X are not overlapped, the second routing line 50L2 extends along the second direction Y, that is, a plurality of sub-pixels PX arranged along the first direction X of the display panel 000 form a sub-pixel row PXH, a plurality of sub-pixel rows PXH are arranged along the second direction Y, a plurality of sub-pixels PX arranged along the second direction Y form a sub-pixel column PXL, the plurality of sub-pixel columns PXLs are arranged along the first direction X, and the first routing line 50L1 and the third routing line 50L3 of the second metal 50L are respectively located at the adjacent sub-pixel row routing line PXH. As shown in fig. 14, the second metal trace 50L is routed in an "S" shape between at least two adjacent rows of sub-pixels, so that the aperture ratio of the area where some sub-pixels PX are located can be increased, for example, the area where each sub-pixel PX is located in the D area in fig. 14 is located between two adjacent segments of the first trace 50L1, and since the second metal trace 50L is not routed in the range of the "S" shaped routed D area, the aperture ratio of each sub-pixel PX in the D area can be increased.
It should be noted that fig. 14 of the present embodiment only schematically illustrates a routing layout manner of the second metal trace 50L, and in a specific implementation, other routing structures may be adopted, only the aperture ratio of the area where a part of the sub-pixels is located needs to be increased, which is not described in detail in the present embodiment. In addition, the second metal trace 50L of the present embodiment has the same arrangement structure as the first metal trace 50 of the above embodiment, and achieves the same technical effect, and details of the film position of the second metal trace 50L and how to connect the second metal trace in parallel with the first touch electrode 30 to reduce the resistance are not repeated here, and specific reference may be made to the description of the first metal trace 50 in the above embodiment.
In some optional embodiments, please refer to fig. 1 and fig. 15, and fig. 15 is a partially enlarged schematic view of fig. 1, in which the first touch electrode trace TP and the first metal trace 50 are disposed in the same layer.
This embodiment explains that the first touch electrode trace TP electrically connected to the first touch electrode 30 (common electrode 20) can be disposed in the same layer as the first metal trace 50, because along the first direction X, the first touch electrode trace TP is at least partially disposed in the first non-display area NA1, the rest is disposed in the second non-display area NA2, the first non-display area NA1 and the second non-display area NA2 are disposed on opposite sides of the display area AA, the first touch electrode trace TP disposed in the range of the first non-display area NA1 and the second non-display area NA2 is disposed in the same layer as the first metal trace 50 and is not disposed in the film layer where the first touch electrode 30 (common electrode 20) is disposed, so that the first touch electrode TP can be prevented from occupying too much space of the trace layer where the first touch electrode 30 (common electrode 20) is disposed, and the layout area of the first touch electrode 30 (common electrode 20) can be further increased, and the touch precision and the resolution are improved.
In some optional embodiments, referring to fig. 1 and fig. 16, fig. 16 is another partial enlarged schematic view of fig. 1, in the present embodiment, in the plurality of first touch electrode traces TP, a portion of the first touch electrode traces and the first metal trace 50 are disposed at the same layer, and another portion of the first touch electrode traces and the data line S are disposed at the same layer.
The present embodiment further explains that, among the plurality of first touch electrode traces TP electrically connected to the first touch electrode 30 (common electrode 20), a part of the first touch electrode traces may be disposed at the same layer as the first metal trace 50, and another part of the first touch electrode traces may be disposed at the same layer as the data line S. Along the first direction X, at least a portion of the first touch electrode trace TP is located in the first non-display area NA1, the other portion of the first touch electrode trace TP is located in the second non-display area NA2, the first non-display area NA1 and the second non-display area NA2 are located at opposite sides of the display area AA, a portion of the first touch electrode trace TP located in the range of the first non-display area NA1 and the second non-display area NA2 is located in the same layer as the first metal trace 50, and the other portion of the first touch electrode trace TP is located in the same layer as the data line S and is not located in the film layer where the first touch electrode 30 (common electrode 20) is located, so that the first touch electrode trace TP can be prevented from occupying too much space where the film layer where the first touch electrode 30 (common electrode 20) is located, further increasing the layout area of the first touch electrode 30 (common electrode 20) is facilitated, and touch accuracy and resolution are improved. In addition, among the plurality of first touch electrode traces TP, a part of the first touch electrode traces and the first metal traces 50 are disposed in the same layer, and another part of the first touch electrode traces and the data lines S are disposed in the same layer, so that a short circuit phenomenon caused by too close of two adjacent first touch electrode traces TP can be avoided when the space of the film where the first metal traces 50 are located is not enough to lay enough first touch electrode traces TP, and then the problem of short circuit of the first touch electrode traces TP easily caused can be solved by reasonable film laying, and the widths of the first non-display area NA1 and the second non-display area NA2 of the display panel 000 in the first direction X can be reduced (in the direction perpendicular to the light-emitting surface of the display panel, the first touch electrode traces TP located in different films can be overlapped or even completely overlapped with each other), which is favorable for narrow frame design.
It should be noted that a portion of the first touch electrode trace TP disposed on the same layer as the data line S can electrically connect the first touch electrode trace TP and the first touch electrode 30 (the common electrode 20) through a via hole (not shown in fig. 16).
In some optional embodiments, please refer to fig. 1 and 17, fig. 17 is another partial enlarged schematic diagram of fig. 1, in this embodiment, the display panel 000 further includes a scan driving circuit 100, the scan driving circuit 100 is located in the first non-display area NA1 and/or the second non-display area NA2, and the scan driving circuit 100 is electrically connected to the scan line G; along the first direction X, the first touch electrode trace TP is located on one side of the scan driving circuit 100 away from the display area AA; among the plurality of first touch electrode traces TP, a portion of the first touch electrode traces and the first metal traces 50 are disposed on the same layer, a portion of the first touch electrode traces and the data lines S are disposed on the same layer, and another portion of the first touch electrode traces and the scan lines G are disposed on the same layer.
The display panel 000 of the present embodiment further includes a scan driving circuit 100, the scan driving circuit 100 is electrically connected to the scan lines G for providing scan driving signals to the scan lines G, the scan driving circuit 100 may be located in the first non-display area NA1 (as shown in fig. 17), or the scan driving circuit 100 may be located in the second non-display area NA2 (not shown), which is a single-side driving; alternatively, the scan driving circuit 100 may be disposed in the first non-display area NA1 and the second non-display area NA2 (not shown), and is driven bilaterally. In the embodiment, along the first direction X, the first touch electrode trace TP is located on a side of the scan driving circuit 100 away from the display area AA, that is, along the first direction X, the scan driving circuit 100 is located between the first touch electrode trace TP and the display area AA, at this time, the film layer layout of the first touch electrode trace TP does not need to consider whether overlapping with the scan line G occurs or not (if the first touch electrode trace TP is located between the scan driving circuit 100 and the display area AA along the first direction X, the first touch electrode trace TP preferably avoids the film layer where the scan line G is located to prevent cross short circuit with the scan line G connected to the scan driving circuit 100), at this time, in the plurality of first touch electrode traces TP, part of the first touch electrode traces may be disposed in the same layer as the first metal trace 50, part of the first touch electrode may be disposed in the same layer as the data line S, and another part of the first touch electrode may be disposed in the same layer as the scan line G, therefore, the layout film layer of the first touch electrode traces TP can be further increased, which is beneficial to avoiding the occurrence of a short circuit phenomenon caused by too close of the adjacent first touch electrode traces TP in the same film layer, and simultaneously, the widths of the first non-display area NA1 and the second non-display area NA2 of the display panel 000 in the first direction X can be further reduced (in the direction perpendicular to the light exit surface of the display panel, the first touch electrode traces TP located in different film layers can be overlapped with each other or even completely overlapped), which is further beneficial to the design of a narrow frame.
It should be noted that, the structure of the scan driving circuit 100 is not specifically described in this embodiment, and in the specific implementation, reference may be made to the structural design of the scan driving circuit 100 in the related art, and only the scan driving signal needs to be provided.
In some optional embodiments, please refer to fig. 18, fig. 18 is a schematic structural diagram of a display device according to an embodiment of the present invention, and the display device 111 according to this embodiment includes the display panel 000 according to the above embodiment of the present invention. The embodiment of fig. 18 is only an example of a mobile phone, and the display device 111 is described, it is understood that the display device 111 provided in the embodiment of the present invention may be another display device 111 having a display function, such as a computer, a television, and a vehicle-mounted display device, and the present invention is not limited thereto. The display device 111 provided in the embodiment of the present invention has the beneficial effects of the display panel 000 provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel 000 in the above embodiments, which is not described herein again.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following beneficial effects:
the display area in the display panel comprises a plurality of first touch electrodes which are arranged along the second direction and extend along the first direction, and a plurality of second touch electrodes which are arranged along the first direction and extend along the second direction, wherein the first touch electrodes and the second touch electrodes form a capacitor at the crossed position, namely the first touch electrodes and the second touch electrodes respectively form two poles of the capacitor, so that a mutual capacitance touch mode is formed, the touch sensitivity of the capacitance touch mode is high, and multi-point touch can be realized. Because the first touch electrode routing is at least partially positioned in the first non-display area, the rest part is positioned in the second non-display area, the first non-display area and the second non-display area are respectively positioned at two opposite sides of the display area along the first direction, namely, the first touch electrode routing is routed from two side frames of the display panel, even if the number of touch electrodes in a unit area needs to be increased to meet the requirements of high resolution and high touch sensitivity, the number of touch signal lines electrically connected with the touch electrodes is increased, but because the first touch routing electrically connected with the first touch electrode is routed from the two side frames of the display panel, the number of touch routing arranged in the display area can be reduced, and the touch effect of high resolution and high touch sensitivity is favorably realized. Along the first direction, the second touch electrode is located between adjacent sub-pixels, namely the second touch electrode can be used as a touch electrode and can also be used as a touch electrode routing wire, the second touch electrode is directly electrically connected with the driving chip, and the driving chip transmits a touch signal to the second touch electrode, so that the lower frame of the display panel is reduced, and the narrow frame design of the display panel is realized.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (21)
1. A display panel, comprising: the array pixel structure comprises a plurality of scanning lines arranged along a second direction and extending along a first direction, a plurality of data lines arranged along the first direction and extending along the second direction, and a plurality of sub-pixels arranged in an array, wherein the scanning lines and the data lines are crossed and insulated to define the area where the sub-pixels are located, and each sub-pixel at least comprises a pixel electrode and a common electrode; wherein the first direction and the second direction intersect;
the display area comprises a plurality of first touch electrodes which are arranged along the second direction and extend along the first direction, and a plurality of second touch electrodes which are arranged along the first direction and extend along the second direction, the first touch electrodes multiplex the common electrodes, and the second touch electrodes are positioned between adjacent sub-pixels along the first direction; the non-display area comprises a first touch electrode routing, the non-display area comprises a first non-display area and a second non-display area which are positioned at two opposite sides of the display area along the first direction, at least part of the first touch electrode routing is positioned in the first non-display area, and the rest part of the first touch electrode routing is positioned in the second non-display area;
the first touch electrode is electrically connected with the driving chip through the first touch electrode routing, and the second touch electrode is electrically connected with the driving chip.
2. The display panel of claim 1, wherein the second touch electrode is disposed on the same layer as the data line.
3. The display panel according to claim 1, wherein each of the first touch electrodes includes a plurality of first touch electrode blocks and a plurality of connecting portions arranged along the first direction, and adjacent first touch electrode blocks are connected by the connecting portions; the connecting portion and the second touch electrode are overlapped with each other along a direction perpendicular to the light emitting surface of the display panel.
4. The display panel according to claim 3, wherein in the same first touch electrode, along the second direction, the width of the connecting portion is smaller than the width of the first touch electrode block.
5. The display panel according to any one of claims 1 to 4, further comprising a plurality of first metal traces extending along the first direction and arranged along the second direction.
6. The display panel of claim 5, wherein the first metal trace is located on a side of the first touch electrode away from the second touch electrode along a direction perpendicular to a light exit surface of the display panel, and is attached to the first touch electrode.
7. The display panel of claim 5, wherein the first metal trace is located on a side of the first touch electrode close to the second touch electrode along a direction perpendicular to a light emitting surface of the display panel, at least one first insulating layer is disposed between the first metal trace and the first touch electrode, the first insulating layer is provided with a first via hole, and the first touch electrode and the first metal trace are electrically connected through the first via hole.
8. The display panel of claim 7, wherein the first via hole and the second touch electrode at least partially overlap in a direction perpendicular to a light exit surface of the display panel.
9. The display panel according to claim 8, wherein the first via hole does not overlap with the scan line along a direction perpendicular to a light exit surface of the display panel.
10. The display panel according to claim 8, wherein the first via hole and the scan line overlap each other in a direction perpendicular to a light exit surface of the display panel.
11. The display panel according to claim 5, wherein along a direction perpendicular to a light emitting surface of the display panel, the first metal trace is located on a side of the scan line away from the second touch electrode, at least one second insulating layer is disposed between the first metal trace and the first touch electrode, the second insulating layer is provided with a second via hole, and the first touch electrode is electrically connected to the first metal trace through the second via hole; and along the direction perpendicular to the display panel light-emitting surface, the second via hole and the second touch electrode, the second via hole and the scanning line are not overlapped.
12. The display panel according to claim 11, wherein the second touch electrode includes a first portion and a second portion sequentially arranged along the second direction, a projection of the first portion and the pixel electrode in the first direction at least partially coincides, and a projection of the second portion, the first metal trace and the scan line in the first direction at least partially coincides;
the width of the first portion is greater than the width of the second portion along the first direction.
13. The display panel according to claim 11, wherein along the second direction, at least two of the first metal traces are electrically connected by a connection trace, and the connection trace extends along the second direction and is disposed on the same layer as the first metal trace.
14. The display panel of claim 13, wherein the connection trace at least partially overlaps the second touch electrode along a direction perpendicular to a light exit surface of the display panel.
15. The display panel according to claim 13, wherein the connection trace completely overlaps the second touch electrode along a direction perpendicular to a light exit surface of the display panel.
16. The display panel according to any one of claims 1 to 4, further comprising a plurality of second metal traces, wherein the second metal traces include a first trace, a second trace and a third trace connected end to end, one end of the second trace is connected to the first trace, and the other end of the second trace is connected to the third trace;
the first routing wire and the third routing wire extend along the first direction, projections of the first routing wire and the second routing wire in the first direction are not overlapped, and the second routing wire extends along the second direction.
17. The display panel according to claim 16, wherein a plurality of the sub-pixels arranged in the first direction form a sub-pixel row, and a plurality of the sub-pixel rows are arranged in the second direction; a plurality of the sub-pixels arranged along the second direction form a sub-pixel column, and a plurality of the sub-pixel columns are arranged along the first direction;
the first routing line and the third routing line are respectively located in the adjacent sub-pixel rows.
18. The display panel of claim 5, wherein the first touch electrode trace and the first metal trace are disposed on the same layer.
19. The display panel according to claim 5, wherein a portion of the first touch electrode traces and the first metal traces are disposed on the same layer, and another portion of the first touch electrode traces and the data lines are disposed on the same layer.
20. The display panel according to claim 5, further comprising a scan driving circuit in the first non-display region and/or the second non-display region, the scan driving circuit being electrically connected to the scan line;
along the first direction, the first touch electrode routing is positioned on one side, far away from the display area, of the scanning driving circuit;
among the plurality of first touch electrode traces, a part of the first touch electrode traces and the first metal traces are arranged on the same layer, a part of the first touch electrode traces and the data lines are arranged on the same layer, and the other part of the first touch electrode traces and the scanning lines are arranged on the same layer.
21. A display device characterized by comprising the display panel according to any one of claims 1 to 20.
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| CN114327133A (en) * | 2021-12-21 | 2022-04-12 | 武汉华星光电半导体显示技术有限公司 | Display panel and display terminal |
| CN115113764A (en) * | 2022-06-20 | 2022-09-27 | 厦门天马显示科技有限公司 | Display panel and display device |
| WO2024060363A1 (en) * | 2022-09-21 | 2024-03-28 | 武汉华星光电技术有限公司 | Display panel and display device |
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