CN112711347A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN112711347A CN112711347A CN202011575611.0A CN202011575611A CN112711347A CN 112711347 A CN112711347 A CN 112711347A CN 202011575611 A CN202011575611 A CN 202011575611A CN 112711347 A CN112711347 A CN 112711347A
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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
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a display panel and a display device. The display panel has a display area and a non-display area adjacent to the display area, the display panel including: the touch electrode is positioned in the display area; the touch wiring layer extends along the direction from the non-display area to the display area and is electrically connected to the touch electrode; a signal routing layer extending in a direction from the non-display area toward the display area; and the shielding layer is positioned in the non-display area and is positioned between the signal wiring layer and the touch wiring layer. The touch control wiring layer and the signal wiring layer are at least one of positioned in the orthographic projection on the shielding layer and positioned in the boundary of the shielding layer, so that the problem that the touch control signal loaded on the touch control wiring layer is easy to interfere with the display signal loaded on the signal wiring layer to influence the touch control sensitivity is solved, and the touch control sensitivity of the display panel is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
In a flexible display device, a touch electrode is often integrated in a display panel in a built-in manner to realize a touch function of the display device. However, the touch electrode is embedded in the display panel and is liable to form a parasitic capacitance with the cathode of the light emitting device, and although the parasitic capacitance can be reduced by adopting a self-capacitance touch method, the touch signal line and the display signal line are liable to interfere with each other in an area not covered by the cathode, which affects the touch sensitivity of the display device.
Disclosure of Invention
Embodiments of the present invention provide a display panel and a display device, which can solve the problem that touch sensitivity is affected due to interference between a touch signal and a display signal.
An embodiment of the present invention provides a display panel, where the display panel has a display area and a non-display area adjacent to the display area, and the display panel includes: the touch electrode is positioned in the display area; the touch wiring layer extends along the direction from the non-display area to the display area and is electrically connected to the touch electrode; a signal routing layer extending in a direction from the non-display area toward the display area; the shielding layer is positioned in the non-display area and is positioned between the signal wiring layer and the touch wiring layer; wherein an orthographic projection of at least one of the touch routing layer and the signal routing layer on the shielding layer is positioned within a boundary of the shielding layer.
In some embodiments, the touch routing layer comprises: the first line is positioned in the display area, is on the same layer as the shielding layer, and is electrically connected to the touch electrode; and a second line which is different from the first line and has the same layer with the touch electrode, is electrically connected with the first line, and extends along the direction from the non-display area to the display area.
In some embodiments, an orthographic projection of the second line on the shielding layer is located within a boundary of the shielding layer.
In some embodiments, the shielding layer includes a plurality of shielding lines corresponding to the plurality of second lines one to one, and a line width of each of the second lines is smaller than or equal to a line width of the corresponding shielding line.
In some embodiments, the display panel further includes a first insulating layer between the touch electrode and the first line, and the first line is electrically connected to the touch electrode and the second line through a via hole in the first insulating layer.
In some embodiments, the shielding layer is rectangular, trapezoidal, or L-shaped.
In some embodiments, the signal routing layer includes a plurality of first signal lines located in the non-display area, the shielding layer includes a plurality of shielding lines corresponding to the plurality of first signal lines one to one, and a line width of each of the first signal lines is smaller than or equal to a line width of the corresponding shielding line.
In some embodiments, the shielding layer and the touch routing layer have the same excitation signal.
In some embodiments, the light emitting device further comprises a cathode, and the shielding layer is connected with the cathode in a top view.
The invention also provides a display device comprising any one of the display panels.
The display panel and the display device provided by the embodiment of the invention, the display panel is provided with a display area and a non-display area adjacent to the display area, and the display panel comprises: the touch electrode is positioned in the display area; the touch wiring layer extends along the direction from the non-display area to the display area and is electrically connected to the touch electrode; a signal routing layer extending in a direction from the non-display area toward the display area; and the shielding layer is positioned in the non-display area and between the signal wiring layer and the touch wiring layer. The touch control wiring layer and the signal wiring layer are at least one of positioned in the orthographic projection on the shielding layer and positioned in the boundary of the shielding layer, so that the problem that the touch control signal loaded on the touch control wiring layer is easy to interfere with the display signal loaded on the signal wiring layer to influence the touch control sensitivity is solved, the signal-to-noise ratio of the touch control signal is improved, and the touch control sensitivity of the display panel is improved.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1A to fig. 1F are schematic structural diagrams of a display panel according to an embodiment of the invention;
fig. 2A to fig. 2D are schematic structural diagrams of a touch routing layer and a shielding layer according to an embodiment of the invention;
fig. 2E is a schematic structural diagram of a touch electrode and a second line according to an embodiment of the disclosure;
fig. 3A to fig. 3B are schematic structural diagrams of a signal routing layer and a shielding layer according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a touch electrode according to an embodiment of the present invention;
fig. 5 is a timing diagram of signals for activating the touch routing layer and the shielding layer according to an embodiment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Specifically, please refer to fig. 1A to fig. 1F, which are schematic structural diagrams of a display panel according to an embodiment of the present invention; as shown in fig. 2A to 2D, which are schematic structural diagrams of a touch routing layer and a shielding layer according to an embodiment of the present invention; fig. 2E is a schematic structural diagram of a touch electrode and a second line according to an embodiment of the invention; fig. 3A to 3B are schematic structural diagrams of a signal routing layer and a shielding layer according to an embodiment of the invention.
The embodiment of the invention provides a display panel 100, wherein the display panel 100 has a display area 100a and a non-display area 100b adjacent to the display area 100 a. The display panel 100 includes: a touch electrode 101 located in the display area 100 a; a touch routing layer 102, wherein the touch routing layer 102 extends along a direction from the non-display area 100b to the display area 100a and is electrically connected to the touch electrode 101; a signal wiring layer 103, the signal wiring layer 103 extending in a direction from the non-display area 100b toward the display area 100 a; and a shielding layer 104 located in the non-display area 100b and located between the signal routing layer 103 and the touch routing layer 102. The orthographic projection of at least one of the touch wiring layer 102 and the signal wiring layer 103 on the shielding layer 104 is located in the boundary of the shielding layer 104, so that the problem that interference is easy to occur between a touch signal loaded by the touch wiring layer 102 and a display signal loaded by the signal wiring layer 103 is solved, the signal-to-noise ratio of the touch signal is improved, and the touch performance of the display panel 100 is improved.
Specifically, in order to achieve both the touch function and the display function and achieve a narrow frame design or meet a high resolution requirement, the display panel 100 sets at least a portion of the touch routing layer 102 and at least a portion of the signal routing layer 103 in the non-display area 100b, and thus, the distance between the touch routing layer 102 and the signal routing layer 103 is relatively short, so that a signal loaded in the signal routing layer 103 interferes with the touch signal loaded in the touch routing layer 102, and noise is brought to the touch signal. The shielding layer 104 is disposed between the touch routing layer 102 and the signal routing layer 103, so that interference of a display signal loaded by the signal routing layer 103 on the touch signal loaded by the touch routing layer 102 can be reduced, a risk of noise brought to the touch signal is reduced, and then the touch performance of the display panel 100 is improved.
In addition, when the display panel 100 is affected by factors such as high resolution requirements and a wiring process, the signal wiring layer 103 and the touch wiring layer 102 in the non-display area 100b may partially overlap in a top view, and parasitic capacitance is likely to occur in an overlapping area, so that a load problem is caused to the touch signal, and the touch performance is affected. Therefore, to improve the load problem, the shielding layer 104 and the touch routing layer 102 may have the same excitation signal, so that the shielding layer 104 and the touch routing layer 102 are kept at the same potential, thereby improving the load problem.
Further, the display panel 100 further includes a driving chip, and the driving chip is configured to provide the excitation signal for the touch electrode 101, the shielding layer 104, and the touch routing layer 102. Specifically, the driving chip includes a plurality of pins, the plurality of pins includes a first pin electrically connected to the shielding layer 104 and a second pin electrically connected to the touch routing layer 102, and the excitation signal includes a first excitation signal S1 and a second excitation signal S2, as shown in fig. 5, which is a timing diagram of signals for excitation of the touch routing layer and the shielding layer according to an embodiment of the present invention. Wherein the first excitation signal S1 transmitted from the first pin to the shielding layer 104 is the same as the second excitation signal S2 transmitted from the second pin to the touch wire layer 102 (i.e., the driving chip provides the same input signal to the shielding layer 104 and the touch wire layer 102 at any time). The first excitation signal S1 and the second excitation signal S2 are identical, i.e., the first excitation signal S1 and the second excitation signal S2 have the same amplitude, the same phase and the same frequency. The frequency, amplitude, phase and other parameters of the first excitation signal S1 and the second excitation signal S2 may be set according to actual requirements, and are not described herein again. Further, the excitation signal is a voltage signal.
With reference to fig. 1A to 1F and fig. 2A to 2D, the touch routing layer 102 includes: a first line 1021, located in the display area 100a, at the same layer as the shielding layer 104, and electrically connected to the touch electrode 101; a second line 1022 which is different from the first line 1021 and is on the same layer as the touch electrode 101, wherein the second line 1022 is electrically connected to the first line 1021 and extends along a direction from the non-display area 100b to the display area 100a, so that the problem of signal interference between the touch routing layer 102 and the signal routing 103 is solved, the signal-to-noise ratio of the touch signal loaded on the touch routing layer is improved, and the touch performance of the display panel is improved.
Further, the display panel 100 further includes a first insulating layer 1051 located between the touch electrode 101 and the first line 1021, and the first line 1021 is electrically connected to the touch electrode 101 and the second line 1022 through a via hole in the first insulating layer 1051, so as to implement transmission of a touch signal, as shown in fig. 1F.
Further, the display panel 100 further includes a light emitting device 106, a second insulating layer 1052 and a third insulating layer 1053, the third insulating layer 1053 is located on a side of the signal wiring layer 103 close to the light emitting device 106, the second insulating layer 1052 is located between the first line 1021, the shielding layer 104 and the light emitting device 106, the first insulating layer 1051 is located on the first line 1021 and the shielding layer 104, and the second line 1022 and the touch electrode 101 are located on the first insulating layer 1051.
The light emitting device 106 includes an anode, a cathode 1061 and a light emitting layer between the anode and the cathode 1061, wherein the cathode 1061 is located on a side of the second insulating layer 1052 away from the first wire 1021, so that the cathode 1061 is used to improve the problem of signal interference generated between the first wire 1021, the touch electrode 101 and the signal wiring layer 103 located in the display area 100 a.
Further, in a top view, the shielding layer 104 is connected to the cathode 1061, so that the display panel 100 improves the signal interference problem generated between the touch routing layer 102 and the signal routing layer 103 in the non-display area 100b through the shielding layer 104, and improves the signal interference problem generated between the touch routing layer 102 and the signal routing layer 103 in the display area 100a through the cathode 1061.
The light emitting layer may include a fluorescent material, a perovskite material, a quantum dot material, or the like, to improve the light emitting efficiency of the light emitting device. The light emission color of the light emitting device includes at least one of red, blue, green, white, yellow, and the like.
With reference to fig. 1A to 1F and fig. 2A to 2D, since the shielding layer 104 is located between the touch routing layer 102 and the signal line 103, the shielding layer 104 and the touch routing layer 102 adopt the same design, so that the orthogonal projection of the portion of the touch routing layer 102 corresponding to the shielding layer 104 on the shielding layer 104 is located within the boundary of the shielding layer 104; or the shielding layer 104 and the signal routing layer 103 adopt the same design, so that the orthographic projection of the part of the signal routing layer 103 corresponding to the shielding layer 104 on the shielding layer 104 is positioned in the boundary of the shielding layer 104, that is, the problem of signal interference generated between the touch signal loaded by the touch routing layer 102 and the display signal loaded by the signal routing layer 103 can be solved, the signal-to-noise ratio of the touch signal can be improved, and the touch performance of the display panel can be improved.
Specifically, referring to fig. 1A, fig. 2A to fig. 2B and fig. 2E, the shielding layer 104 includes a plurality of shielding lines 1041 corresponding to the plurality of second lines 1022 one by one, and a line width of each of the second lines 1022 is smaller than or equal to a line width of the corresponding shielding line 1041, so that an orthographic projection of each of the second lines 1022 on the corresponding shielding line 1041 is located within a boundary of the shielding line 1041, or coincides with the shielding line 1041, so as to improve a signal interference problem generated between a touch signal loaded on the touch routing layer 102 and a display signal loaded on the signal routing layer 103.
Further, the larger the design area of the shielding layer 104 between the touch wiring layer 102 and the signal wiring layer 103 is, the better the shielding effect of the shielding layer 104 is, and therefore, at least one connecting bridge may be disposed between any two adjacent shielding lines 1041 to connect any two shielding lines 1041. The connecting bridge may adopt a straight line design, a curved line design, a broken line design, and the like, as shown in fig. 2A to 2B. Furthermore, the shielding layer 104 can be designed to be a whole surface, as shown in fig. 2C to 2D, so as to further improve the signal interference problem generated between the touch signal loaded on the touch wiring layer 102 and the display signal loaded on the signal wiring layer 103.
In the design of the shielding layer 104 shown in fig. 2C to 2D, the shielding layers 104 may be connected by the connecting bridge. Further, the shielding layer 104 has the same excitation signal as the touch routing layer 102.
Similarly, referring to fig. 3A to 3B, the signal routing layer 103 includes a plurality of first signal lines 1031 located in the non-display area 100B, the shielding layer 104 includes a plurality of shielding lines 1042 corresponding to the plurality of first signal lines 1031, and a line width of each of the first signal lines 1031 is smaller than or equal to a line width of the corresponding shielding line 1042, so that an orthographic projection of each of the first signal lines 1031 on the corresponding shielding line 1042 is located within a boundary of the shielding line 1042 or coincides with the shielding line 1042, so as to improve a signal interference problem generated between the touch signal loaded on the touch routing layer 102 and the display signal loaded on the signal routing layer 103.
Further, at least one connecting bridge may be disposed between any two adjacent shielding wires 1042 to connect any two shielding wires 1042, as shown in fig. 3A. Furthermore, the shielding layer 104 can be designed to be a whole surface, as shown in fig. 3B, so as to further improve the signal interference problem generated between the touch signal loaded by the touch wiring layer 102 and the display signal loaded by the signal wiring layer 103.
The shielding layer 104 may be rectangular, trapezoidal, T-shaped, L-shaped, or the like in a top view. It can be understood that, in a top view, the shape of the shielding layer 104 can be adjusted according to the extending width, the extending length, and the like of the touch routing layer 102 or the signal routing layer 103; further, in a top view, the shape of the shielding layer 104 may be determined by the maximum extension width and the maximum extension length of the touch routing layer 102 or the signal routing layer 103, which is not described herein again.
As shown in fig. 4, which is a schematic structural diagram of the touch electrode according to the embodiment of the present invention, in order to prevent the touch electrode 101 and the touch routing layer 102 from affecting the light emitting effect of the display panel, the touch electrode 101 may be configured as a mesh structure. Specifically, in a top view, the light emitting device 106 is located in a grid of the touch electrode 101, and the touch wiring layer 102 connected to the touch electrode 101 is overlapped with the touch electrode 101; further, in a top view, the touch electrode 101 includes a plurality of sub-touch electrodes, each sub-touch electrode includes a first edge 1011 and a second edge 1012 intersecting the first edge, two adjacent first edges 1011 and two adjacent second edges 1012 form the mesh structure, the first edge 1011 and the extending direction of the touch trace 1021a in the touch trace layer 102, which is connected to the sub-touch electrode, are the same, and in the top view, the touch trace 1021a in the touch trace layer 102, which is connected to the sub-touch electrode, coincides with the first edge 1011, so as to reduce an influence of the touch trace layer 102 on a light emitting effect of the display panel.
It is understood that the signal trace layer 103 may include a data signal trace for transmitting a data signal, and/or a scan signal trace for transmitting a scan signal, and/or a constant signal trace for transmitting a constant signal, and/or a timing signal trace for transmitting a timing signal, etc.
With reference to fig. 1A to fig. 1B and fig. 1E, the display panel further includes a flexible circuit board 107, the display panel includes a first binding terminal 1081 and a second binding terminal, the first binding terminal 1081 is electrically connected to the touch routing layer 102 and the flexible circuit board 107, so as to electrically connect the touch electrode 101 and the driving chip through the first binding terminal 1081 and the flexible circuit board 107. The second binding terminal is electrically connected to the shielding layer 104 and the flexible circuit board, so that the shielding layer 104 and the driving chip are electrically connected through the second binding terminal and the flexible circuit board. The display panel may include a plurality of second binding terminals, so that when the shielding layer 104 includes a plurality of shielding lines, each of the shielding lines may be electrically connected to the driving chip. In addition, at least two of the shielding lines can be connected through the connecting bridge, so that the number of the second binding terminals is reduced, a larger space is provided for the non-display area, and the first binding terminals are arranged or a plurality of routing lines are arranged. The connection form between the driving chip and the flexible circuit board is not limited to a chip on film, and the second binding terminal and the shielding layer 104 can be electrically connected through a wire, which is not described herein again.
The display panel further includes a substrate 109, a protective layer 110 on the touch electrode 101 and the second line 1022, and a driving array and other parts not shown on the substrate 109. Wherein the substrate 103 comprises a flexible substrate and a rigid substrate. The drive array comprises a plurality of transistors; the transistor comprises a field effect transistor. Still further, the transistor includes a thin film transistor including at least one of an oxide transistor and a silicon transistor. The transistor comprises at least one of a P-type transistor and an N-type transistor.
Further, the display panel further comprises an optical filter, wherein the optical filter comprises a plurality of color filter units corresponding to the light-emitting devices, so that the display effect of the display panel is improved, or the full-color display of the display panel is realized by matching with the light-emitting devices. Still further, the color filter unit further includes a quantum dot material, a perovskite material, a fluorescent material, etc. to improve a display effect of the display panel in cooperation with the light emitting device.
The invention also provides a display device comprising any one of the display panels.
Further, the display device further comprises a sensor, so that the display device can realize functions of fingerprint identification, distance sensing, camera shooting and the like. Wherein, the sensor includes photoelectric sensor, distance sensor, optical sensor, camera, gyroscope sensor etc..
The display panel and the display device provided by the embodiment of the invention, the display panel is provided with a display area and a non-display area adjacent to the display area, and the display panel comprises: the touch electrode is positioned in the display area; the touch wiring layer extends along the direction from the non-display area to the display area and is electrically connected to the touch electrode; a signal routing layer extending in a direction from the non-display area toward the display area; and the shielding layer is positioned in the non-display area and between the signal wiring layer and the touch wiring layer. The touch control wiring layer and the signal wiring layer are at least one of positioned in the orthographic projection on the shielding layer and positioned in the boundary of the shielding layer, so that the problem that the touch control signal loaded on the touch control wiring layer is easy to interfere with the display signal loaded on the signal wiring layer to influence the touch control sensitivity is solved, the signal-to-noise ratio of the touch control signal loaded on the touch control wiring layer is improved, and the touch control sensitivity of the display panel is improved.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display panel and the display device provided by the embodiment of the invention are described in detail, and the principle and the embodiment of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the technical scheme and the core idea of the invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A display panel having a display region and a non-display region adjacent to the display region, the display panel comprising:
the touch electrode is positioned in the display area;
the touch wiring layer extends along the direction from the non-display area to the display area and is electrically connected to the touch electrode;
a signal routing layer extending in a direction from the non-display area toward the display area; and the number of the first and second groups,
the shielding layer is positioned in the non-display area and is positioned between the signal wiring layer and the touch wiring layer; wherein an orthographic projection of at least one of the touch routing layer and the signal routing layer on the shielding layer is positioned within a boundary of the shielding layer.
2. The display panel of claim 1, wherein the touch routing layer comprises:
the first line is positioned in the display area, is on the same layer as the shielding layer, and is electrically connected to the touch electrode; and the number of the first and second groups,
the second line is different from the first line and is on the same layer as the touch electrode, and the second line is electrically connected with the first line and extends along the direction from the non-display area to the display area.
3. The display panel of claim 2, an orthographic projection of the second line on the shielding layer being within a boundary of the shielding layer.
4. The display panel according to claim 2, wherein the shielding layer includes a plurality of shielding lines corresponding to the plurality of second lines one to one, and a line width of each of the second lines is smaller than or equal to a line width of the corresponding shielding line.
5. The display panel according to claim 2, further comprising a first insulating layer between the touch electrode and the first line, wherein the first line is electrically connected to the touch electrode and the second line through a via hole in the first insulating layer.
6. The display panel according to claim 3, wherein the shielding layer has a rectangular shape, a trapezoidal shape, or an L-shape.
7. The display panel according to claim 1, wherein the signal routing layer comprises a plurality of first signal lines in the non-display area, the shielding layer comprises a plurality of shielding lines corresponding to the plurality of first signal lines one to one, and a line width of each of the first signal lines is smaller than or equal to a line width of the corresponding shielding line.
8. The display panel of claim 1, wherein the shielding layer and the touch routing layer have the same excitation signal.
9. The display panel according to claim 1, further comprising a light-emitting device including a cathode, wherein the shielding layer is connected to the cathode in a top view.
10. A display device comprising the display panel according to any one of claims 1 to 9.
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| CN202011575611.0A CN112711347B (en) | 2020-12-28 | 2020-12-28 | Display panel and display device |
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| CN202011575611.0A CN112711347B (en) | 2020-12-28 | 2020-12-28 | Display panel and display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113672129A (en) * | 2021-07-29 | 2021-11-19 | 昆山国显光电有限公司 | Display panel and display device |
| CN114063834A (en) * | 2021-11-05 | 2022-02-18 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and touch driving method thereof |
| CN114594876A (en) * | 2022-03-02 | 2022-06-07 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and mobile terminal |
| WO2023044951A1 (en) * | 2021-09-26 | 2023-03-30 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| WO2023103074A1 (en) * | 2021-12-09 | 2023-06-15 | 武汉华星光电半导体显示技术有限公司 | Display module and display terminal |
| WO2024044893A1 (en) * | 2022-08-29 | 2024-03-07 | 京东方科技集团股份有限公司 | Display panel and display device |
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| WO2023103074A1 (en) * | 2021-12-09 | 2023-06-15 | 武汉华星光电半导体显示技术有限公司 | Display module and display terminal |
| CN114594876A (en) * | 2022-03-02 | 2022-06-07 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and mobile terminal |
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