CN113835564A - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN113835564A
CN113835564A CN202111064195.2A CN202111064195A CN113835564A CN 113835564 A CN113835564 A CN 113835564A CN 202111064195 A CN202111064195 A CN 202111064195A CN 113835564 A CN113835564 A CN 113835564A
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China
Prior art keywords
touch
electrodes
electrode
display panel
touch electrodes
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Pending
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CN202111064195.2A
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Chinese (zh)
Inventor
吕晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Wingtech Electronic Technology Co Ltd
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Shanghai Wingtech Electronic Technology Co Ltd
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Priority to CN202111064195.2A priority Critical patent/CN113835564A/en
Publication of CN113835564A publication Critical patent/CN113835564A/en
Priority to PCT/CN2022/097914 priority patent/WO2023035705A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/13338Input devices, e.g. touch panels
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Quality & Reliability (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

The embodiment of the present disclosure relates to a display panel and a display device, wherein the display panel includes: a common electrode layer including a plurality of touch electrodes; a plurality of dummy electrodes located between adjacent ones of the touch electrodes; the touch control device comprises a plurality of data lines and a plurality of scanning lines, wherein at least partial dummy electrodes between adjacent touch control electrodes are electrically connected with the nearest data lines or scanning lines. In the embodiment of the disclosure, the phenomenon that the liquid crystal at the gap between the adjacent touch electrodes does not rotate, so that the difference between the brightness at the gap and the brightness at the periphery is large, and stripes appear in the display can be avoided.

Description

Display panel and display device
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of human-computer interaction technology, touch technology is increasingly used on various displays.
In order to save the process, the touch electrode currently realizing the touch function is generally multiplexed with the common electrode, and the common electrode provides the common signal for the touch electrode in the display stage and the touch electrode provides the touch signal in the touch stage. However, in the display stage, the electric field at the gap between the touch electrodes is very weak, and the liquid crystal at the position is not controlled, so that the display panel is easy to appear in a stripe shape, and the display effect is affected.
Disclosure of Invention
In order to solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a display panel and a display device to solve the problem of stripes occurring during displaying in the prior art.
In a first aspect, the present disclosure provides a display panel comprising:
a common electrode layer including a plurality of touch electrodes;
a plurality of dummy electrodes located between adjacent ones of the touch electrodes;
the touch control device comprises a plurality of data lines and a plurality of scanning lines, wherein at least partial dummy electrodes between adjacent touch control electrodes are electrically connected with the nearest data lines or scanning lines.
In some embodiments, a plurality of the touch electrode arrays are arranged; the dummy electrodes between two adjacent columns of the touch electrodes are electrically connected with the nearest neighbor data lines.
In some embodiments, a plurality of the touch electrode arrays are arranged; the dummy electrodes between two adjacent rows of the touch electrodes are electrically connected with the nearest neighbor scanning lines.
In some embodiments, the plurality of touch electrodes includes a plurality of first touch electrodes and second touch electrodes arranged in an interlaced and insulated manner; the first touch electrode is parallel to the extending direction of the data line; the dummy electrodes between two adjacent columns of the first touch electrodes are electrically connected with the nearest neighbor data lines.
In some embodiments, the plurality of touch electrodes includes a plurality of first touch electrodes and second touch electrodes arranged in an interlaced and insulated manner; the second touch electrode is parallel to the extending direction of the scanning line; the dummy electrode between two adjacent rows of the second touch electrodes is electrically connected with the nearest scanning line.
In some embodiments, the dummy electrode is intermittently disposed along an extending direction of the data line.
In some embodiments, the dummy electrodes are intermittently arranged along the extending direction of the scan lines.
In some embodiments, an edge of the touch electrode and/or an edge of the dummy electrode are non-linear.
In some embodiments, the touch electrode and the dummy electrode are disposed on the same layer.
In some embodiments, the display device further comprises a pixel electrode, wherein the pixel electrode and the dummy electrode are arranged in the same layer.
In some embodiments, the touch control device further includes a plurality of touch control traces; each touch electrode is electrically connected with at least one touch routing; different touch electrodes are connected with different touch wires;
the data line and the touch routing are arranged on the same layer.
In a second aspect, the present disclosure also provides a display device including the display panel described in any embodiment of the first aspect.
According to the display panel provided by the embodiment of the disclosure, the dummy electrode is arranged between the adjacent touch electrodes, and at least part of the dummy electrode between the adjacent touch electrodes is electrically connected with the nearest data line or scanning line. Therefore, when the display panel displays, the dummy electrode electrically connected to the data line may be applied with a pixel voltage transmitted by the data line, or the dummy electrode electrically connected to the scan line may be applied with a scan signal voltage transmitted by the scan line. The dummy electrode and the adjacent touch electrodes can form an electric field, so that liquid crystals at the gap between the adjacent touch electrodes rotate, and the problems that the electric field at the gap between the adjacent touch electrodes is weak or does not exist, the liquid crystals are not controlled, the brightness difference between the gap between the adjacent touch electrodes and the peripheral brightness is large, and stripes occur are avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic partial structure diagram of a display panel according to an embodiment of the disclosure;
fig. 2 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 3 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 4 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 5 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 6 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 7 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 8 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 9 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 10 is a schematic partial structure diagram of another display panel provided in the embodiment of the present disclosure;
fig. 11 is a schematic cross-sectional structure diagram of a display panel according to an embodiment of the disclosure;
fig. 12 is a schematic cross-sectional view illustrating a display panel according to another embodiment of the disclosure;
fig. 13 is a schematic structural diagram of a display device according to an embodiment of the disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Fig. 1 and fig. 2 are schematic partial structural diagrams of a display panel according to an embodiment of the disclosure, and as shown in the drawings, the display panel includes a common electrode layer 110, a plurality of dummy electrodes 120, a plurality of data lines 130, and a plurality of scan lines 140. The common electrode layer 110 includes a plurality of touch electrodes 111. In order to achieve insulation between the touch electrodes 111 and have a gap between adjacent touch electrodes 111, the display panel according to the embodiment of the disclosure arranges the dummy electrode 120 between the adjacent touch electrodes 111. The display panel provided by the embodiment of the present disclosure further includes a plurality of data lines 130 and scan lines 140. In displaying, the data line 130 is used for providing a pixel voltage to a pixel electrode of each pixel unit of the display panel, and the scan line 140 is used for providing a scan signal to each row of pixel units. If the dummy electrode 120 between the adjacent touch electrodes 111 is electrically connected to the nearest neighbor data line 130, the data line 130 may also provide a pixel voltage to the dummy electrode 120 electrically connected thereto when displaying. If the dummy electrode 120 between the adjacent touch electrodes 111 is electrically connected to the nearest neighboring scan line 140, the scan line 140 may also provide a scan signal to the dummy electrode 120 electrically connected thereto when displaying.
The following describes the implementation principle of the embodiments of the present disclosure in detail:
when the display panel displays, the scan line 140 is used to provide a scan signal to each row of pixel units, the data line 130 is used to provide a pixel voltage (the pixel electrode is not shown in fig. 1) to the pixel electrodes of the pixel units of the display panel, and the touch electrodes 111 of the common electrode layer 110 are used to receive a common voltage signal so that the pixel units can display. During touch control, the touch electrodes 111 of the common electrode layer 110 are used for receiving a touch signal and detecting a touch position. Because the gap is formed between the adjacent touch electrodes 111, when the display panel in the prior art displays, the electric field at the gap between the adjacent touch electrodes 111 is weak, the liquid crystal at the gap is not controlled, the display brightness at the gap is different from that of the peripheral area, and the display panel has display stripes. The dummy electrode 120 is disposed between the adjacent touch electrodes 111 according to the embodiment of the disclosure, and as shown in fig. 1, at least a portion of the dummy electrode 120 between the adjacent touch electrodes 111 may be electrically connected to the nearest data line 130, so that the data line 130 may also provide a pixel voltage to the dummy electrode 120 electrically connected thereto when displaying. The dummy electrode 120 can form an electric field with the adjacent touch electrode 111, so that the liquid crystal at the position can rotate under the control of the electric field formed between the touch electrode 111 and the dummy electrode 120, and the problem of large difference between the adjacent touch electrode gap and the peripheral brightness and occurrence of stripes is avoided. As shown in fig. 2, if the dummy electrode 120 between the adjacent touch electrodes 111 is electrically connected to the nearest scan line 140, the scan line 140 may further provide a scan signal to the dummy electrode 120 electrically connected thereto, and the dummy electrode electrically connected to the scan line may be loaded with a scan signal voltage transmitted by the scan line during display. Therefore, the dummy electrode 120 can form an electric field with the adjacent touch electrode 111, so that the liquid crystal at the position can rotate under the control of the electric field formed between the touch electrode 111 and the dummy electrode 120, and the problem of large difference between the adjacent touch electrode gap and the peripheral brightness and stripe occurrence is avoided.
Since the dummy electrode 120 is electrically connected to the data line 130, which is equivalent to the dummy electrode 120 being connected in parallel to the data line 130, the load on the data line 130 can be reduced to some extent, thereby increasing the signal transmission capability of the data line 130 and reducing the power consumption. The dummy electrode 120 is electrically connected to the scan line 140, which is equivalent to the dummy electrode 120 being connected to the scan line 140 in parallel, and thus the load of the scan line 140 can be reduced to some extent, thereby increasing the signal transmission capability of the scan line 140 and reducing the power consumption.
In addition, ion contamination may be introduced during liquid crystal introduction and processing, resulting in residual charges, which are often easily accumulated at the boundaries. That is, charge residue is likely to occur at the edge of the touch electrodes 111, and the difference between the electric field at the position of the charge residue and other positions is large, so that the phenomenon of display stripes at the gap between the touch electrodes 111 is also aggravated. The dummy electrodes 120 are arranged between the adjacent touch electrodes 111, and the arrangement of the dummy electrodes 120 can also disperse the distribution area of the residual charges, thereby reducing the electric field difference between the gaps between the touch electrodes 111 and the peripheral positions and reducing the display stripe phenomenon at the gaps.
In some embodiments, as shown in fig. 1, the plurality of touch electrodes 111 may be arranged in an array, and the dummy electrode 120 between two adjacent columns of touch electrodes 111 is electrically connected to the nearest neighbor data line 130. The embodiment of the disclosure is suitable for self-contained touch control. The touch electrodes 111 are arranged in an array to form a capacitor with the ground, so as to detect a touch position. The extending direction of the data lines 130 is the same as the column direction of the touch electrode array arrangement, so that the dummy electrodes 120 between two adjacent columns of touch electrodes 111 can be electrically connected with the nearest data lines 130, thereby facilitating the layout of each film layer and circuit of the display panel.
In some embodiments, as shown in fig. 2, the touch electrodes 111 may be arranged in an array, and the dummy electrode between two adjacent rows of touch electrodes is electrically connected to the nearest scan line. As shown in fig. 2, since there is a gap between two adjacent rows of touch electrodes, in order to avoid display stripes caused by the gap between two adjacent rows of touch electrodes, the embodiment of the disclosure electrically connects the dummy electrode 120 between two adjacent rows of touch electrodes 111 and the nearest scan line 140. When the display panel displays, the scan lines 140 are used for providing scan signals to each row of pixel units of the display panel. Since the dummy electrode 120 between two adjacent rows of touch electrodes 111 is electrically connected to the nearest scan line 140 in this embodiment, when the display panel displays, the dummy electrode 120 between two adjacent rows of touch electrodes 111 can receive the scan signal, and the dummy electrode 120 can form an electric field with the adjacent touch electrodes 111, so that the liquid crystal at the position can be controlled by the electric field formed between the touch electrodes 111 and the dummy electrode 120 to rotate, and the problem of occurrence of stripes due to large difference between the adjacent touch electrode gaps and the peripheral brightness is avoided.
It should be noted that, in the drawings of the embodiments of the present disclosure, the data lines and the scan lines electrically connected to the dummy electrodes are only exemplarily drawn, and other data lines and scan lines are not shown in the drawings.
In some embodiments, to solve the problem that the display stripes are caused by the gaps between two adjacent rows of touch electrodes and two adjacent columns of touch electrodes, the dummy electrode 120 between two adjacent rows of touch electrodes 111 may be electrically connected to the nearest scan line 140, and the dummy electrode 120 between two adjacent columns of touch electrodes 111 may be electrically connected to the nearest data line 130, as shown in fig. 3.
In some embodiments, as shown in fig. 4, the plurality of touch electrodes includes a plurality of first touch electrodes 150 and a plurality of second touch electrodes 160 disposed in an interlaced and insulated manner, the first touch electrodes 150 are parallel to the extending direction of the data lines 130, and the dummy electrodes 120 between two adjacent columns of the first touch electrodes 150 are electrically connected to the nearest data lines 130. The embodiment of the disclosure is suitable for mutual capacitance touch control. The first touch electrodes 150 are parallel to the extending direction of the data lines 130, and a gap exists between two adjacent columns of the first touch electrodes 150, so that the dummy electrode 120 can be placed at the gap, and the dummy electrode 120 between two adjacent columns of the first touch electrodes 150 is electrically connected to the nearest data line 130. Since the dummy electrode 120 electrically connected to the data line 130 is loaded with the pixel voltage, the dummy electrode 120 may form an electric field with an adjacent touch electrode, thereby reducing a difference between the electric field at the gap between the touch electrodes 111 and the electric field at the peripheral position, and reducing display striation at the gap.
In some embodiments, as shown in fig. 5, the plurality of touch electrodes includes a plurality of first touch electrodes 150 and second touch electrodes 160 disposed in an interlaced and insulated manner, the second touch electrodes 160 are parallel to the extending direction of the scan lines 140, and the dummy electrode 120 between two adjacent rows of the second touch electrodes 160 is electrically connected to the nearest scan line 140. The second touch electrodes 120 are parallel to the extending direction of the scan lines 140, and a gap exists between two adjacent rows of the second touch electrodes 160, so that the dummy electrodes 120 can be placed at the gap, the dummy electrodes 120 between two adjacent rows of the second touch electrodes 160 are electrically connected to the nearest scan lines 140, and the scan lines 140 can provide scan signals to the dummy electrodes 120 connected thereto to form an electric field.
In some embodiments, to solve the problem of display stripes caused by the gaps between two adjacent rows of touch electrodes and two adjacent columns of touch electrodes, the dummy electrode 120 between two adjacent columns of first touch electrodes 150 may be electrically connected to the nearest neighbor data line 130, and the dummy electrode 120 between two adjacent rows of second touch electrodes 160 may be electrically connected to the nearest neighbor scan line 140, as shown in fig. 6.
In some embodiments, the dummy electrodes 120 may be disposed intermittently along the extending direction of the data lines 130. As shown in fig. 1 and 7, the dummy electrodes 120 are disposed intermittently along the extending direction of the data lines 130, so that the cost can be saved; on the other hand, the voltage applied to the dummy electrode 120 during the display process is prevented from interfering with the signals on the scan lines.
In some embodiments, the dummy electrodes may be disposed intermittently along the extending direction of the scan lines. As shown in fig. 2, 3 and 8, the dummy electrodes 120 are disposed intermittently along the extending direction of the data lines 130, so that on one hand, the cost can be saved; on the other hand, the voltage applied to the dummy electrode 120 during the display process is prevented from interfering with the signals on the data lines.
If the dummy electrodes are disposed intermittently along the data lines or the scan lines, the length of the dummy electrodes and the size of the gaps between adjacent dummy electrodes along the data lines or the scan lines may be designed according to actual requirements. For example, as shown in fig. 1, the dummy electrode may have the same length as the touch electrode along the extending direction of the data line. In some embodiments, a length of the dummy electrode may be the same as a length of the pixel unit along an extending direction of the data line.
In some embodiments, as shown in fig. 9, the edge of the touch electrode 111 and/or the edge of the dummy electrode 120 are non-linear. Fig. 9 illustrates that the edges of the touch electrode 111 and the dummy electrode 120 are both non-linear, and in some embodiments, at least one of the edges of the touch electrode 111 and the dummy electrode 120 may be non-linear according to actual situations.
The edge of the touch electrode 111 and/or the edge of the dummy electrode 120 are/is arranged to be nonlinear, and the reflection angles of the light rays are different when the light rays are incident to the edges, so that the regular reflection of the optical fibers can be avoided, the visibility of the edges is weakened, and the abnormal situation of stripes on the screen is improved or eliminated to a certain extent. It should be noted that, the specific shape of the edge of the touch electrode 111 and/or the edge of the dummy electrode 120 that is non-linear is not limited in the embodiments of the present disclosure. For example, the exemplary arrangement edge in fig. 9 is jagged, and in other embodiments, it may be arranged in other irregular shapes such as a wave shape.
Optionally, the distance between the dummy electrode and the adjacent touch electrode can be set to be 2-2.5 um, and the line width of the dummy electrode can be set to be 3.5-4 um. If the dummy electrode is in a shape of a broken line along the extending direction, the length of the broken line may be set to 10-30 um. In the actual product design, the parameter values can be adjusted according to the actual process capability.
In some embodiments, as shown in fig. 10, the touch panel further includes a plurality of touch traces 170; each touch electrode 111 is electrically connected to at least one touch trace 170; the different touch electrodes 111 are connected to the different touch traces 170; the data line 120 and the touch trace 170 are disposed on the same layer. The touch trace 170 is used for providing a touch signal to the touch electrode 111. The data lines 120 and the touch traces 170 are located on the same film layer, so that the display panel is lighter and thinner, and if the same material is used and the data lines 120 and the touch traces 170 are formed in the same process, the process can be saved.
In some embodiments, the touch electrode and the dummy electrode are disposed on the same layer. Taking self-contained touch as an example, fig. 11 is a cross-sectional view along the AA' direction in fig. 10, and as shown in fig. 11, the touch electrodes 111 and the dummy electrodes 120 are in the same film layer. The design of disposing the touch electrode 111 and the dummy electrode 120 on the same film layer can make the display panel thinner and lighter on one hand, and can also save the process on the other hand.
If the display panel is self-contained touch, as shown in fig. 1, the touch electrodes 111 and the dummy electrodes 120 are disposed in the same layer and may be formed by the same material in the same process.
If the display panel is a mutual capacitive touch panel, for example, as shown in fig. 4, the first touch electrode 150 may be disposed on the same layer as the dummy electrode 120 at the gap between the first touch electrode 150, and may be formed by the same material in the same process. For example, as shown in fig. 5, the second touch electrode 160 may be disposed on the same layer as the dummy electrode 120 at the gap between the second touch electrode 160, and may be formed by the same material in the same process.
In some embodiments, the display panel further includes a pixel electrode disposed in the same layer as the dummy electrode. For example, as shown in fig. 12, the pixel electrode 180 is disposed in the same layer as the dummy electrode 120. The pixel electrode 180 and the dummy electrode 120 are made of the same material in the same process, which not only saves the manufacturing process, but also makes the display panel thinner.
It should be noted that, in fig. 12, the pixel electrode 180 is exemplarily disposed above the film layer of the touch electrode 111, and in other embodiments, the vertical position relationship between the film layer of the touch electrode and the film layer of the pixel electrode may be adjusted according to circumstances, which is not limited in this disclosure.
An embodiment of the present invention further provides a display device, and exemplarily, fig. 13 is a schematic structural diagram of the display device provided in the embodiment of the present invention. Referring to fig. 13, the display device includes the display panel 100 provided in the above embodiment. The display device provided in the embodiment of the present invention includes the display panel 100 in the foregoing embodiments, and therefore, the display device provided in the embodiment of the present invention also has the beneficial effects described in the foregoing embodiments, and details are not repeated herein. For example, the display device may include a display device such as a mobile phone, a computer, and a smart wearable device, which is not limited in this embodiment of the present invention.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. A display panel, comprising:
a common electrode layer including a plurality of touch electrodes;
a plurality of dummy electrodes located between adjacent ones of the touch electrodes;
the touch control device comprises a plurality of data lines and a plurality of scanning lines, wherein at least partial dummy electrodes between adjacent touch control electrodes are electrically connected with the nearest data lines or scanning lines.
2. The display panel according to claim 1, wherein a plurality of the touch electrodes are arranged in an array; the dummy electrodes between two adjacent columns of the touch electrodes are electrically connected with the nearest neighbor data lines.
3. The display panel according to claim 1, wherein a plurality of the touch electrodes are arranged in an array; the dummy electrodes between two adjacent rows of the touch electrodes are electrically connected with the nearest neighbor scanning lines.
4. The display panel according to claim 1, wherein the touch electrodes comprise a plurality of first touch electrodes and second touch electrodes arranged alternately and in an insulating manner; the first touch electrode is parallel to the extending direction of the data line; the dummy electrodes between two adjacent columns of the first touch electrodes are electrically connected with the nearest neighbor data lines.
5. The display panel according to claim 1, wherein the touch electrodes comprise a plurality of first touch electrodes and second touch electrodes arranged alternately and in an insulating manner; the second touch electrode is parallel to the extending direction of the scanning line; the dummy electrode between two adjacent rows of the second touch electrodes is electrically connected with the nearest scanning line.
6. The display panel according to claim 2 or 4, wherein the dummy electrode is intermittently arranged in a direction in which the data line extends.
7. The display panel according to claim 3 or 5, wherein the dummy electrode is intermittently arranged in a direction in which the scanning line extends.
8. The display panel according to claim 1, wherein an edge of the touch electrode and/or an edge of the dummy electrode are non-linear.
9. The display panel of claim 1, wherein the touch electrode and the dummy electrode are disposed on the same layer.
10. The display panel according to claim 1, further comprising a pixel electrode disposed in the same layer as the dummy electrode.
11. The display panel of claim 1, further comprising a plurality of touch traces; each touch electrode is electrically connected with at least one touch routing; different touch electrodes are connected with different touch wires;
the data line and the touch routing are arranged on the same layer.
12. A display device characterized by comprising the display panel according to any one of claims 1 to 11.
CN202111064195.2A 2021-09-10 2021-09-10 Display panel and display device Pending CN113835564A (en)

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CN202111064195.2A CN113835564A (en) 2021-09-10 2021-09-10 Display panel and display device
PCT/CN2022/097914 WO2023035705A1 (en) 2021-09-10 2022-06-09 Display panel and display device

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WO (1) WO2023035705A1 (en)

Cited By (1)

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