CN112269495B - Touch panel and display device - Google Patents
Touch panel and display device Download PDFInfo
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- CN112269495B CN112269495B CN202011202412.5A CN202011202412A CN112269495B CN 112269495 B CN112269495 B CN 112269495B CN 202011202412 A CN202011202412 A CN 202011202412A CN 112269495 B CN112269495 B CN 112269495B
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- 230000000903 blocking effect Effects 0.000 claims abstract description 155
- 239000007787 solid Substances 0.000 claims abstract description 122
- 235000013399 edible fruits Nutrition 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 15
- 230000000007 visual effect Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000005282 brightening Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- -1 indium tin oxide compound Chemical class 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a touch panel and a display device, wherein a gap between two adjacent sub-touch electrodes of a grid touch electrode comprises a plurality of light blocking parts, each light blocking part comprises a solid part and an opening part, and on a first plane vertical to the extending direction of the gap, the superposition projection of the orthographic projections of the solid parts on the first plane completely covers the orthographic projection of the gap on the first plane, the blocking of light transmission at the gap is realized through the light blocking parts, the visual continuity phenomenon when the light transmission at the gap is interrupted is eliminated, the condition of visually brightening lines in the existing display device is eliminated, and the display effect of the display device is improved.
Description
Technical Field
The present invention relates to the field of touch display technologies, and in particular, to a touch panel and a display device.
Background
Compared with a single-point touch panel, the multi-point touch panel can be operated by two fingers or more fingers even by multiple persons at the same time, and is more convenient and humanized to operate. The single-layer multi-point touch panel developed in recent years not only has the advantages of the common multi-point touch panel, but also has smaller thickness, thereby being beneficial to the development of touch electronic products in the direction of light weight and thinning.
At present, the conductive layer of the touch panel is mainly formed on the insulating substrate by an indium tin oxide compound through a vacuum coating and graphical etching process, so that the requirements on the process and equipment are high, a large amount of indium tin oxide compound material is wasted in etching, and a large amount of industrial waste liquid containing heavy metal is generated; meanwhile, indium (In) In the indium tin oxide compound is a rare resource, which results In higher cost of the touch panel. In order to effectively reduce the cost of the touch panel and simultaneously meet the market trend of thinning and thinning of the terminal consumer electronic products, a Metal mesh touch panel technology (Metal mesh) has been developed in recent years, and the touch sensing layer is realized by a Metal mesh. The existing grid touch electrode structure has defects, so that when a display device adopting a touch panel displays pictures, a visual bright line condition can appear to influence the display effect, and the structure of the existing grid touch electrode needs to be optimized.
Disclosure of Invention
In view of this, the invention provides a touch panel and a display device, which effectively solve the technical problems existing in the prior art, eliminate the situation of visually bright lines of the existing display device, and improve the display effect of the display device.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a touch panel, comprising:
a substrate base;
the grid touch electrode is positioned at one side of the substrate and comprises a plurality of sub-touch electrodes and a plurality of light blocking parts positioned in gaps between two adjacent sub-touch electrodes, the light blocking parts comprise solid parts and opening parts, and the light blocking parts are sequentially arranged along the extending direction of the gaps; and on a first plane perpendicular to the extending direction of the gap, overlapping projection of orthographic projection of the plurality of solid parts on the first plane completely covers orthographic projection of the gap on the first plane.
Optionally, the orthographic projection of any one of the solid parts on the first plane completely covers the orthographic projection of the gap on the first plane; or overlapping projection of orthographic projections of two adjacent solid parts on the first plane completely covers orthographic projection of the gap on the first plane.
Optionally, at least two of the solid portions have an overlap in an extending direction of the gap.
Optionally, the plurality of light blocking portions include a first light blocking portion and a second light blocking portion, two adjacent sub-touch electrodes are defined to be a first sub-touch electrode and a second sub-touch electrode, a solid portion of the first light blocking portion is in contact with the first sub-touch electrode, and an opening portion of the first light blocking portion is located between the solid portion of the first light blocking portion and the second sub-touch electrode;
and the solid part of the second light blocking part is contacted with the second sub-touch electrode, and the opening part of the second light blocking part is positioned between the solid part of the second light blocking part and the first sub-touch electrode.
Alternatively, the first light blocking portions and the second light blocking portions are alternately arranged in an extending direction along the gap.
Optionally, the solid portion includes a first sub-solid portion and a second sub-solid portion, the first sub-solid portion and the second sub-solid portion of the solid portion are disposed opposite to each other in a direction opposite to the adjacent two sub-touch electrodes, and the opening of the light blocking portion is located between the first sub-solid portion and the second sub-solid portion;
defining two adjacent sub-touch electrodes as a first sub-touch electrode and a second sub-touch electrode, wherein the first sub-entity part is contacted with the first sub-touch electrode; the second fruiting body portion is in contact with the second sub-touch electrode.
Optionally, at opposite end sides of the first fruiting body part and the second fruiting body part, an end side of at least one fruiting body part in the first fruiting body part and the second fruiting body part is a concave side, and an end side of the other fruiting body part is a convex side, and the convex side extends to the concave side.
Optionally, the grid touch electrode further includes a plurality of auxiliary solid portions, and at least one side of the light blocking portion is provided with the auxiliary solid portions in an extending direction of the gap;
in the light blocking portion and the auxiliary solid portion corresponding to the light blocking portion, the auxiliary solid portion is projected on the first plane, and the front projection of the opening portion on the first plane is completely covered.
Optionally, the solid portion includes a first fruit body portion, a second fruit body portion and at least one auxiliary fruit body portion, in the opposite direction of two adjacent sub-touch electrodes, the first fruit body portion and the second fruit body portion of the solid portion are oppositely disposed, and the opening of the light blocking portion is located between the first fruit body portion and the second fruit body portion; at least one side of the opening part is provided with the auxiliary fruiting body part in the extending direction of the gap; in the light blocking part, the auxiliary fruiting body part is projected on the first plane in a front mode and completely covers the front projection of the opening part on the first plane;
defining two adjacent sub-touch electrodes as a first sub-touch electrode and a second sub-touch electrode, wherein the first sub-entity part is contacted with the first sub-touch electrode; the second fruiting body portion is in contact with the second sub-touch electrode.
Optionally, the plurality of light blocking portions include a first light blocking portion and a second light blocking portion, two adjacent sub-touch electrodes are defined to be a first sub-touch electrode and a second sub-touch electrode, a solid portion of the first light blocking portion is embedded into a side line of the first sub-touch electrode, and the solid portion of the first light blocking portion is isolated from the first sub-touch electrode through an opening portion of the first light blocking portion; the first light blocking part is contacted with the second sub-touch electrode;
the solid part of the second light blocking part is embedded into the side line of the second sub-touch electrode, and the solid part of the second light blocking part is isolated from the second sub-touch electrode through the opening part of the second light blocking part; the second light blocking part is in contact with the first sub-touch electrode.
Correspondingly, the invention further provides a display device, which comprises the touch panel.
Compared with the prior art, the technical scheme provided by the invention has at least the following advantages:
the invention provides a touch panel and a display device, comprising: a substrate base; the grid touch electrode is positioned at one side of the substrate and comprises a plurality of sub-touch electrodes and a plurality of light blocking parts positioned in gaps between two adjacent sub-touch electrodes, the light blocking parts comprise solid parts and opening parts, and the light blocking parts are sequentially arranged along the extending direction of the gaps; and on a first plane perpendicular to the extending direction of the gap, overlapping projection of orthographic projection of the plurality of solid parts on the first plane completely covers orthographic projection of the gap on the first plane.
As can be seen from the above description, according to the technical solution provided by the present invention, the gap between two adjacent sub-touch electrodes includes a plurality of light blocking portions, the light blocking portions include solid portions and opening portions, and on a first plane perpendicular to an extending direction of the gap, the superimposed projection of the orthographic projections of the solid portions on the first plane completely covers the orthographic projection of the gap on the first plane, and the blocking of light transmission at the gap is achieved through the plurality of light blocking portions, so that a visual continuity phenomenon during light transmission at the gap is broken, a visual bright line condition occurring in the existing display device is eliminated, and a display effect of the display device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a touch panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, in order to effectively reduce the cost of the touch panel and meet the market trend of light and thin consumer electronic products, a Metal mesh touch panel technology (Metal mesh) has been developed in recent years, and the touch sensing layer is implemented by using a Metal mesh. The existing grid touch electrode structure has defects, so that when a display device adopting a touch panel displays pictures, a visual bright line condition can appear to influence the display effect, and the structure of the existing grid touch electrode needs to be optimized.
Based on the above, the embodiment of the invention provides a touch panel and a display device, which effectively solve the technical problems existing in the prior art, eliminate the condition of visually bright lines of the existing display device and improve the display effect of the display device. In order to achieve the above objective, the technical solutions provided by the embodiments of the present invention are described in detail below, with reference to fig. 1 to 8.
Referring to fig. 1, a schematic structural diagram of a touch panel according to an embodiment of the present invention is shown, where the touch panel includes:
a substrate (not shown).
The grid touch electrode is positioned at one side of the substrate, the grid touch electrode comprises a plurality of sub-touch electrodes 110 and a plurality of light blocking parts 130 positioned at gaps 120 between two adjacent sub-touch electrodes 110, the light blocking parts 130 comprise solid parts 131 and opening parts 132, and the light blocking parts 130 are sequentially arranged along the extending direction Y of the gaps; on a first plane perpendicular to the extending direction Y of the gap, the superimposed projection of the orthographic projections of the plurality of solid portions 131 on the first plane completely covers the orthographic projection of the gap on the first plane.
It should be noted that, in the embodiment of the present invention, the mesh shape of the mesh touch electrode is not specifically limited, the mesh may be a diamond mesh, a rectangular mesh, or the like, and the shapes of different meshes may be the same or different, so that the present invention is not specifically limited and needs to be specifically designed according to practical applications.
It can be appreciated that, according to the technical scheme provided by the embodiment of the invention, the gap between two adjacent sub-touch electrodes comprises a plurality of light blocking parts, each light blocking part comprises a solid part and an opening part, and on a first plane perpendicular to the extending direction of the gap, the superimposed projection of the orthographic projection of the solid parts on the first plane completely covers the orthographic projection of the gap on the first plane, the blocking of light transmission at the gap is realized through the light blocking parts, the visual continuity phenomenon when the light transmission at the gap is interrupted is realized, the condition that the existing display device has visual bright lines is eliminated, and the display effect of the display device is improved.
In an embodiment of the present invention, the orthographic projection of any one of the solid portions provided by the present invention on the first plane completely covers the orthographic projection of the gap on the first plane; or overlapping projection of orthographic projections of two adjacent solid parts on the first plane completely covers orthographic projection of the gap on the first plane. Furthermore, through the orthographic projection of each entity portion on the first plane, the arrangement of the orthographic projection of the gap on the first plane can be completely covered, or through the overlapped projection of the orthographic projections of two adjacent entity portions on the first plane, the arrangement of the orthographic projection of the gap on the first plane is completely covered, and then the number of light blocking structures capable of interrupting visual continuity during light transmission is increased, so that the display effect of the display device is further improved.
In an embodiment of the invention, at least two of the solid portions have an overlap in an extending direction of the gap. The following describes the structure of the light blocking portion of several specific touch panels according to the embodiments of the present invention with reference to fig. 2 to 7.
As shown in fig. 2, a schematic structural diagram of another touch panel according to an embodiment of the present invention is provided, wherein the plurality of light blocking portions provided by the embodiment of the present invention includes a first light blocking portion 1301 and a second light blocking portion 1302, two adjacent sub-touch electrodes are defined as a first sub-touch electrode 111 and a second sub-touch electrode 112, a solid portion 131 of the first light blocking portion 1301 is in contact with the first sub-touch electrode 111, and an opening 132 of the first light blocking portion 1301 is located between the solid portion 131 of the first light blocking portion 1301 and the second sub-touch electrode 112.
And the solid portion 131 of the second light blocking portion 1302 contacts the second sub-touch electrode 112, and the opening 132 of the second light blocking portion 1302 is located between the solid portion 131 of the second light blocking portion 1302 and the first sub-touch electrode 111.
It can be understood that, in the embodiment of the present invention, the solid portion of the first light blocking portion and the solid portion of the second light blocking portion have overlapping areas in the extending direction of the gap; and the opening part of the first light blocking part and the opening part of the second light blocking part are not overlapped in the extending direction of the gap, so that the superposition projection of the orthographic projection of the plurality of entity parts on the first plane completely covers the orthographic projection of the gap on the first plane.
And the solid part of the first light blocking part is contacted with the first sub-touch electrode, so that the solid part of the first light blocking part is used as a part of the first sub-touch electrode, and the solid part of the second light blocking part is contacted with the second sub-touch electrode, so that the solid part of the second light blocking part is used as a part of the second sub-touch electrode, and the solid part is set as a part of the sub-touch electrode to improve the sensing area of the sub-touch electrode and the touch effect of the touch panel on the basis that two adjacent sub-touch electrodes are mutually isolated through the opening part.
Further as shown in fig. 2, in the extending direction along the gap, the first light blocking portions 1301 and the second light blocking portions 1302 are alternately arranged, so that the opening portions of the first light blocking portions 1301 and the opening portions of the second light blocking portions 1302 are alternately arranged, the number of light blocking structures capable of interrupting visual continuity during light transmission is increased, and the display effect of the display device is further improved.
As shown in fig. 3, a schematic structural diagram of another touch panel according to an embodiment of the present invention is provided, where the solid portion includes a first sub-solid portion 1311 and a second sub-solid portion 1312, the first sub-solid portion 1311 and the second sub-solid portion 1312 of the solid portion are disposed opposite to each other in the opposite direction of two adjacent sub-touch electrodes 110, and the opening 132 of the light blocking portion is located between the first sub-solid portion 1311 and the second sub-solid portion 1312.
Defining two adjacent sub-touch electrodes as a first sub-touch electrode 111 and a second sub-touch electrode 112, wherein the first sub-body 1311 is in contact with the first sub-touch electrode 111; the second sub-body 1312 is in contact with the second sub-touch electrode 112.
It can be understood that the solid portions of the at least two light blocking portions provided in the embodiment of the present invention have overlapping areas in the extending direction of the gap; and the opening parts of the at least two light blocking parts are not overlapped in the extending direction of the gap, so that the superposition projection of the orthographic projection of the plurality of solid parts on the first plane completely covers the orthographic projection of the gap on the first plane.
And the first fruiting body part is contacted with the first sub-touch electrode, so that the first fruiting body part is used as a part of the first sub-touch electrode, and the second fruiting body part is contacted with the second sub-touch electrode, so that the second fruiting body part is used as a part of the second sub-touch electrode, and the sub-touch electrodes are separated from each other through the opening part, so that the sensing area of the sub-touch electrode is increased by setting the fruiting body part as a part of the sub-touch electrode, and the touch effect of the touch panel is improved.
As further shown in fig. 4, at opposite end sides of the first fruiting body 1311 and the second fruiting body 1312, at least one of the first fruiting body 1311 and the second fruiting body 1312 is a concave side, and the other fruiting body is a convex side extending to the concave side. And the light blocking capacity of the solid part in the light blocking part is further improved through the matching arrangement of the convex side and the concave side, the condition of visually bright lines of the existing display device is eliminated, and the display effect of the display device is improved.
It should be noted that, the concave side provided by the embodiment of the present invention may be a triangular concave shape, that is, the convex side is a matched triangular convex shape; or in other embodiments of the present invention, the concave side and the convex side may have other shapes, and the present invention is not particularly limited thereto.
In an embodiment of the present invention, the mesh touch electrode may further include an auxiliary solid portion overlapping the opening portion in a direction of extending the gap, so as to further improve a light blocking effect of the light blocking portion. Namely, the grid touch electrode further comprises a plurality of auxiliary solid parts, and the auxiliary solid parts are arranged on at least one side of the light blocking part in the extending direction of the gaps; in the light blocking portion and the auxiliary solid portion corresponding to the light blocking portion, the auxiliary solid portion is projected on the first plane, and the front projection of the opening portion on the first plane is completely covered. As shown in fig. 5, a schematic structural diagram of another touch panel according to an embodiment of the present invention is provided, where fig. 5 illustrates a touch panel structure shown in fig. 2, and the plurality of light blocking portions provided in the embodiment of the present invention includes a first light blocking portion 1301 and a second light blocking portion 1302, and two adjacent sub-touch electrodes are defined as a first sub-touch electrode 111 and a second sub-touch electrode 112, a solid portion 131 of the first light blocking portion 1301 is in contact with the first sub-touch electrode 111, and an opening 132 of the first light blocking portion 1301 is located between the solid portion 131 of the first light blocking portion 1301 and the second sub-touch electrode 112. And the solid portion 131 of the second light blocking portion 1302 contacts the second sub-touch electrode 112, and the opening 132 of the second light blocking portion 1302 is located between the solid portion 131 of the second light blocking portion 1302 and the first sub-touch electrode 111. In any one of the light blocking portions provided in the embodiments of the present invention, an auxiliary solid portion 133 is further included, in the extending direction Y of the gap, the auxiliary solid portion 133 is disposed at one side of the opening 132, and the front projection of the auxiliary solid portion 133 on the first plane completely covers the front projection of the opening 132 on the first plane, so that the light blocking capability of the light blocking portion can be further improved by the auxiliary solid portion 133, the condition of visually bright lines appearing in the existing display device is eliminated, and the display effect of the display device is improved.
It should be noted that, in the structure of the touch panel shown in fig. 5 provided by the embodiment of the present invention, the light blocking portion may further include two auxiliary fruiting body portions, and the two auxiliary fruiting body portions are respectively disposed at two sides of the opening portion in the extending direction of the gap, which is not particularly limited in the present invention.
In the embodiment of the present invention, when the light blocking portion includes the auxiliary solid portion, the opening portions of at least two light blocking portions may not overlap in the extending direction of the gap, as shown in fig. 5, which illustrates a structure of the touch panel. Or, the openings of all the light blocking portions provided by the embodiment of the invention can be overlapped in the extending direction of the gap, and the auxiliary fruiting body portion is arranged on at least one side of the opening, so that the light blocking portions are realized through the auxiliary fruiting body portion to break the visual continuity phenomenon when the gap transmits light. As shown in fig. 6, the solid portion provided in the embodiment of the present invention includes a first sub-solid portion 1311, a second sub-solid portion 1312, and an auxiliary sub-solid portion 1313, where the first sub-solid portion 1311 and the second sub-solid portion 1312 of the solid portion are disposed opposite to each other in the opposite direction of the adjacent two sub-touch electrodes 110, and the opening 132 of the light blocking portion is located between the first sub-solid portion 1311 and the second sub-solid portion 1312; in the extending direction of the gap, all the opening portions 132 have an overlap. And the auxiliary fruiting body 1313 is provided on at least one side of the opening 132 in the extending direction of the gap; in the light blocking portion, the auxiliary fruiting body 1313 is projected on the first plane, and completely covers the front projection of the opening 132 on the first plane; defining two adjacent sub-touch electrodes as a first sub-touch electrode 111 and a second sub-touch electrode 112, wherein the first sub-body 1311 is in contact with the first sub-touch electrode 111; the second sub-body 1312 is in contact with the second sub-touch electrode 112. The embodiment of the invention can further improve the light blocking capability of the light blocking part through the auxiliary fruiting body part 1313, eliminate the condition of visually bright lines of the existing display device and improve the display effect of the display device.
It should be noted that, in the structure of the touch panel shown in fig. 6 provided by the embodiment of the present invention, the entity part may also include only one auxiliary sub-entity part, which is not particularly limited.
As shown in fig. 7, a schematic structural diagram of another touch panel according to an embodiment of the present invention is provided, wherein the plurality of light blocking portions includes a first light blocking portion 1303 and a second light blocking portion 1304, two adjacent sub-touch electrodes are defined as a first sub-touch electrode 111 and a second sub-touch electrode 112, a solid portion of the first light blocking portion 1303 is embedded in a border of the first sub-touch electrode 111, and the solid portion 131 of the first light blocking portion 1303 is isolated from the first sub-touch electrode 111 by an opening 132 of the first light blocking portion 1303; the first light blocking part 1303 is in contact with the second sub-touch electrode 112.
The solid portion 131 of the second light blocking portion 1304 is embedded in the edge line of the second sub-touch electrode 112, and the solid portion 131 of the second light blocking portion 1304 is isolated from the second sub-touch electrode 112 by the opening 132 of the second light blocking portion 1304; the second light blocking portion 1304 contacts the first sub-touch electrode 111.
As shown in fig. 7, in the embodiment of the present invention, at the edge embedded position of the first light blocking portion 1303 and the first sub-touch electrode 111, the end portion may be set to be a matching structure in which the protruding portion extends into the recessed portion, where the recessed portion and the protruding portion may be correspondingly set to be triangular, which is not particularly limited to the present invention.
It should be noted that, the light blocking portion of the touch panel provided by the embodiment of the present invention may be deformed in any shape, and only needs to satisfy the condition that the superimposed projection of the orthographic projection of the plurality of solid portions on the first plane in the extending direction of the vertical gap completely covers the orthographic projection of the gap on the first plane.
In an embodiment of the present invention, the mesh touch electrode provided by the present invention may be a metal mesh touch electrode, where the metal type is not particularly limited. The circuit of the grid touch electrode provided by the embodiment of the invention can correspond to the gap between the pixels of the display device, so that the influence of the grid touch electrode on the aperture opening ratio of the display device is reduced.
Correspondingly, the embodiment of the invention also provides a display device, which comprises the touch panel.
In an embodiment of the invention, the touch panel provided by the invention can be attached to the display panel, so as to obtain the touch display device. Or, the touch panel provided by the embodiment of the invention is a touch display panel, and the grid touch electrode is arranged in the touch display panel, so that the invention is not particularly limited.
Fig. 8 is a schematic structural diagram of a display device according to an embodiment of the present invention, where the display device 1000 may be a mobile terminal.
It should be noted that, the display device provided in the embodiment of the present invention may also be a notebook, a tablet computer, a wearable device, etc., which is not particularly limited.
The embodiment of the invention provides a touch panel and a display device, comprising: a substrate base; the grid touch electrode is positioned at one side of the substrate and comprises a plurality of sub-touch electrodes and a plurality of light blocking parts positioned in gaps between two adjacent sub-touch electrodes, the light blocking parts comprise solid parts and opening parts, and the light blocking parts are sequentially arranged along the extending direction of the gaps; and on a first plane perpendicular to the extending direction of the gap, overlapping projection of orthographic projection of the plurality of solid parts on the first plane completely covers orthographic projection of the gap on the first plane.
As can be seen from the foregoing, in the technical solution provided by the embodiments of the present invention, the gap between two adjacent sub-touch electrodes includes a plurality of light blocking portions, where the light blocking portions include a solid portion and an opening portion, and on a first plane perpendicular to an extending direction of the gap, the superimposed projection of the orthographic projections of the plurality of solid portions on the first plane completely covers the orthographic projection of the gap on the first plane, and the blocking of light transmission at the gap is achieved by the plurality of light blocking portions, so that the visual continuity phenomenon when light transmission at the gap is interrupted is eliminated, the condition of visually brightening lines occurring in the existing display device is eliminated, and the display effect of the display device is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (11)
1. A touch panel, comprising:
a substrate base;
the grid touch electrode is positioned at one side of the substrate and comprises a plurality of sub-touch electrodes and a plurality of light blocking parts positioned in gaps between two adjacent sub-touch electrodes, the light blocking parts comprise solid parts and opening parts, and the light blocking parts are sequentially arranged along the extending direction of the gaps; and on a first plane perpendicular to the extending direction of the gap, overlapping projection of orthographic projection of the plurality of solid parts on the first plane completely covers orthographic projection of the gap on the first plane.
2. The touch panel according to claim 1, wherein an orthographic projection of any one of the solid portions on the first plane completely covers an orthographic projection of the gap on the first plane; or overlapping projection of orthographic projections of two adjacent solid parts on the first plane completely covers orthographic projection of the gap on the first plane.
3. The touch panel according to claim 1, wherein at least two of the solid portions have an overlap in an extending direction of the gap.
4. The touch panel according to claim 3, wherein the plurality of light blocking portions includes a first light blocking portion and a second light blocking portion, two adjacent sub-touch electrodes are defined as a first sub-touch electrode and a second sub-touch electrode, a solid portion of the first light blocking portion is in contact with the first sub-touch electrode, and an opening portion of the first light blocking portion is located between the solid portion of the first light blocking portion and the second sub-touch electrode;
and the solid part of the second light blocking part is contacted with the second sub-touch electrode, and the opening part of the second light blocking part is positioned between the solid part of the second light blocking part and the first sub-touch electrode.
5. The touch panel according to claim 4, wherein the first light blocking portions and the second light blocking portions are alternately arranged in an extending direction along the gap.
6. A touch panel according to claim 3, wherein the solid portion includes a first fruit body portion and a second fruit body portion, the first fruit body portion and the second fruit body portion of the solid portion are disposed opposite to each other in a direction opposite to the adjacent two of the sub-touch electrodes, and the opening of the light blocking portion is located between the first fruit body portion and the second fruit body portion;
defining two adjacent sub-touch electrodes as a first sub-touch electrode and a second sub-touch electrode, wherein the first sub-entity part is contacted with the first sub-touch electrode; the second fruiting body portion is in contact with the second sub-touch electrode.
7. The touch panel according to claim 6, wherein at opposite end sides of the first and second fruit body parts, an end side of at least one of the first and second fruit body parts is a concave side, and an end side of the other fruit body part is a convex side, the convex side extending to the concave side.
8. The touch panel according to any one of claims 4 to 7, wherein the mesh touch electrode further comprises a plurality of auxiliary solid portions, at least one side of the light blocking portion being provided with the auxiliary solid portions in an extending direction of the gap;
in the light blocking portion and the auxiliary solid portion corresponding to the light blocking portion, the auxiliary solid portion is projected on the first plane, and the front projection of the opening portion on the first plane is completely covered.
9. A touch panel according to claim 3, wherein the solid portion includes a first sub-solid portion, a second sub-solid portion, and at least one auxiliary sub-solid portion, the first sub-solid portion and the second sub-solid portion of the solid portion are disposed opposite to each other in a direction opposite to the adjacent two sub-touch electrodes, and the opening of the light blocking portion is located between the first sub-solid portion and the second sub-solid portion; at least one side of the opening part is provided with the auxiliary fruiting body part in the extending direction of the gap; in the light blocking part, the auxiliary fruiting body part is projected on the first plane in a front mode and completely covers the front projection of the opening part on the first plane;
defining two adjacent sub-touch electrodes as a first sub-touch electrode and a second sub-touch electrode, wherein the first sub-entity part is contacted with the first sub-touch electrode; the second fruiting body portion is in contact with the second sub-touch electrode.
10. The touch panel according to claim 3, wherein the plurality of light blocking portions includes a first light blocking portion and a second light blocking portion, two adjacent sub-touch electrodes are defined as a first sub-touch electrode and a second sub-touch electrode, a solid portion of the first light blocking portion is embedded in a side line of the first sub-touch electrode, and the solid portion of the first light blocking portion is isolated from the first sub-touch electrode through an opening portion of the first light blocking portion; the first light blocking part is contacted with the second sub-touch electrode;
the solid part of the second light blocking part is embedded into the side line of the second sub-touch electrode, and the solid part of the second light blocking part is isolated from the second sub-touch electrode through the opening part of the second light blocking part; the second light blocking part is in contact with the first sub-touch electrode.
11. A display device, characterized in that the display device comprises a touch panel according to any one of claims 1-10.
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| CN112269495B true CN112269495B (en) | 2024-03-26 |
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| CN114327163B (en) * | 2021-12-30 | 2024-02-02 | 武汉天马微电子有限公司 | Touch display panel and touch display device |
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