CN109710106A - Touch panel and display device - Google Patents
Touch panel and display device Download PDFInfo
- Publication number
- CN109710106A CN109710106A CN201811519053.9A CN201811519053A CN109710106A CN 109710106 A CN109710106 A CN 109710106A CN 201811519053 A CN201811519053 A CN 201811519053A CN 109710106 A CN109710106 A CN 109710106A
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- Prior art keywords
- electrode
- insulating layer
- bifurcation
- layer
- touch panel
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- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 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
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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 present invention provides a kind of touch panel and display devices, the display device includes: substrate, set on the electrode layer of the substrate surface, insulating layer and bridging structure on the electrode layer, the electrode layer includes mutually perpendicular first electrode and second electrode, the second electrode includes two electrode blocks, the first electrode separates described two electrode blocks, the bridging structure includes ontology and two bifurcation structures set on the ontology two sides, the ontology is set on the insulating layer, described two bifurcation structures are connected to corresponding electrode block, described two electrode blocks are connected.By setting bridging structure in the program, the bridging structure and any electrode block junction is made to be equipped with more than one overlapped points, avoids the case where causing two electrode blocks that cannot be connected to because of an overlapped points damage, improve the yields of touch panel.
Description
Technical field
The present invention relates to the manufactures of field of display technology more particularly to display device, and in particular to touch panel and aobvious
Showing device.
Background technique
Currently, touch screen be it is a kind of it is very universal, for the man-machine equipment mutually handed over, often used in touch screen production
It is designed to putting up a bridge, with the continuous expansion in touch-screen applications field, market also proposed the bridging design in touch screen higher
Requirement.
In the prior art, as depicted in figs. 1 and 2, on ITO (Indium Tin Oxides, tin indium oxide) electrode 101
102 surface of insulating layer of side, which will do it, puts up a bridge design to be connected to the electrode 101 in some direction, and a bridge is built in design of usually putting up a bridge
103, but due to the presence of insulating layer 102, bridge 103 can generate " platform at the edge of insulating layer 102 and 101 intersection of ITO electrode
Rank " 104, early period can not to the bridge 103 at " step " 104 carry out specially treated, therefore the bridge 103 at " step " 104 and other
Place is compared, thinner, more fragile, is easy to happen open circuit phenomenon.
In conclusion in existing bridging design, due to bridge and electrode block only one overlapped points, Gu Qiao and ITO
Intersection of the electrode at insulating layer edge is once opened a way, and will cause two electrode blocks cannot be connected to.
Summary of the invention
The embodiment of the present invention provides a kind of touch panel comprising:
Substrate；
Electrode layer, the electrode layer be set to the substrate surface, the electrode layer include mutually perpendicular first electrode and
Second electrode, the second electrode include two electrode blocks, and the first electrode separates described two electrode blocks；
Insulating layer, the insulating layer are set on the electrode layer；
Bridging structure, the bridging structure include ontology and two bifurcation structures, and the ontology is set on the insulating layer,
Described two bifurcation structures are separately positioned on the ontology two sides, and described two bifurcation structures are connected to corresponding electrode block, make
Described two electrode block conductings.
In an embodiment of the present invention, the bifurcation structure includes Liang Ge branch, and the width of the branch is greater than or waits
In the width of the ontology of the bridging structure.
In an embodiment of the present invention, the electrode layer includes setting area, and the insulating layer is set to the setting area
Interior, described two bifurcation structures are set to corresponding electrode block surface, connect with the electrode block.
In an embodiment of the present invention, the side that the insulating layer intersects with the bifurcation structure is curved surface.
In an embodiment of the present invention, the insulating layer is covered on the entire electrode layer surface, the insulating layer with
The region of branch's intersection is provided with through-hole, and the bifurcation structure is connect by the through-hole with the electrode block.
The embodiment of the present invention also provides a kind of display device, and the display device includes touch panel, the touch surface
Plate includes:
Substrate；
Electrode layer, the electrode layer be set to the substrate surface, the electrode layer include mutually perpendicular first electrode and
Second electrode, the second electrode include two electrode blocks, and the first electrode separates described two electrode blocks；
Insulating layer, the insulating layer are set on the electrode layer；
Bridging structure, the bridging structure include ontology and two bifurcation structures, and the ontology is set on the insulating layer,
Described two bifurcation structures are separately positioned on the ontology two sides, and described two bifurcation structures are connected to corresponding electrode block, make
Described two electrode block conductings.
In an embodiment of the present invention, the bifurcation structure includes Liang Ge branch, and the width of the branch is greater than or waits
In the width of the ontology of the bridging structure.
In an embodiment of the present invention, the electrode layer includes setting area, and the insulating layer is set to the setting area
Interior, described two bifurcation structures are set to corresponding electrode block surface, connect with the electrode block.
In an embodiment of the present invention, the side that the insulating layer intersects with the bifurcation structure is curved surface.
In an embodiment of the present invention, the insulating layer is covered on the entire electrode layer surface, the insulating layer with
The region of branch's intersection is provided with through-hole, and the bifurcation structure is connect by the through-hole with the electrode block.
The present invention provides a kind of touch panel and display device, bridge is set in the touch panel and display device
Binding structure, wherein two bifurcation structures in the bridging structure are connected to corresponding electrode block, and described two electrode blocks are connected,
The yields of touch panel and display device can be improved.
Detailed description of the invention
Below by attached drawing, invention is further explained.It should be noted that the accompanying drawings in the following description is only
Explanation some embodiments of the present invention are only for not make the creative labor for those skilled in the art
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic top plan view of existing touch panel.
Fig. 2 is the diagrammatic cross-section of existing touch panel.
Fig. 3 is the schematic top plan view of touch panel provided in an embodiment of the present invention.
Fig. 4 is the diagrammatic cross-section of touch panel provided in an embodiment of the present invention.
Fig. 5 is another schematic top plan view of touch panel provided in an embodiment of the present invention.
Fig. 6 is another diagrammatic cross-section of touch panel provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the orientation of the instructions such as term " on ", "lower", " surface ", " vertical "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, wherein "upper" is surface above object, refers specifically to generation
Surface, oblique upper, upper surface are ok, as long as occuping on object level, and " surface " is to refer to two objects
Mutually directly contact, the above orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than instruction or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.
It should be noted that term " width " is neutral words, do not indicate to be biased to width or narrow, it is merely meant that default there are one
Value, numerical value is uncertain, depending on meeting according to the actual situation.
In addition, it should also be noted that, attached drawing offer is only and Relationship Comparison of the present invention close structure and/or step
Suddenly, some and little details of inventive relationship is omitted, it is therefore intended that simplify attached drawing, keeps inventive point very clear, rather than table
Bright device in practice and/or method are exactly and attached drawing is the same, not as the limitation of device in practice and/or method.
The present invention provides a kind of display device, and the display device includes touch panel as illustrated in figures 3-6.Such as Fig. 3 and
Fig. 4 indicates the schematic top plan view and diagrammatic cross-section of touch panel provided in an embodiment of the present invention.Touch panel 300 includes base
Plate, the electrode layer 301 set on the substrate surface, the insulating layer 304 on the electrode layer 301 and be set to the insulation
Bridging structure 305 on layer 304.
As shown in figure 3, the electrode layer 301 includes mutually perpendicular first electrode 302 and second electrode 303, described the
Two electrodes 303 include two electrode blocks 303, and the first electrode 302 separates described two electrode blocks 303.The insulating layer 304
Be arranged in the setting area of the electrode layer 301, the insulating layer 304 across the first electrode 302 vertical direction,
The both ends of the insulating layer 304 are respectively connected to described two 303 surfaces of electrode block.The bridging structure 305 includes ontology 306
With two bifurcation structures 307, the ontology 306 is set on the insulating layer 304, and described two bifurcation structures 307 are respectively set
In 306 two sides of ontology, described two bifurcation structures 307 are connected to corresponding electrode block 303, make described two electrode blocks
303 conductings.
Wherein, the width of the insulating layer 304 is more than or equal to the width of the ontology 306, avoids the ontology 306 and institute
The contact for stating electrode layer 301, for guaranteeing the separated of the first electrode 302 and second electrode 303.
Wherein, the bifurcation structure 307 includes Liang Ge branch, and the width of the branch is tied more than or equal to the bridge joint
The width of the ontology 306 of structure 305, the side that the insulating layer 304 intersects with the bifurcation structure 307 is curved surface, for increasing
The effective width of the branch, to increase the reliability of touch panel 300.
It is understood that the curve form can be arc-shaped, waveform or other similar shapes, purpose exist
In the effective length for increasing the branch and the branch is allowed to be smoothly transitted into the electricity from the insulating layer 304
On pole block 303.
As shown in figure 4, the insulating layer 304 is set between the electrode layer 301 and the bridging structure 305, and institute
The both ends for stating insulating layer 304 are connected to two electrode blocks 303 of the second electrode 303, so that in the electrode layer 101 mutually
It is not turned between vertical first electrode 302 and second electrode 303, meanwhile, the insulating layer 304 is also used for obstructing the bridge joint
The contact of structure 305 and the first electrode 302 equally guarantees to insulate between the first electrode 302 and second electrode 303.
The bridging structure 305 is set on the insulating layer 304, and the length of the bridging structure 305 is greater than the insulating layer
Length, the bifurcation structure 307 at 306 both ends of ontology of the bridging structure 305 is respectively connected to described two electrode blocks 303,
For being connected to two electrode blocks 303 of the second electrode 303.
Wherein, the bridging structure 305 is tightly attached to 304 surface of insulating layer, therefore the bridging structure 305 exists
The edge of the insulating layer 304 and 301 intersection of electrode layer can generate " step " 308.Due to the bifurcation structure 307
In the presence of the number of " step " 308 compared with the prior art, increases one times, and between described two " steps " 308 mutually
It does not influence, avoid causes two electrode blocks 303 of the second electrode 303 that cannot be connected to because " step " 308 damages
The case where, play the role of dual fail-safe.
It is understood that the bifurcation structure 307 can also be designed as three branches or more according to the actual situation
Branch.
Such as Fig. 5 and Fig. 6, another schematic top plan view and section signal of touch panel provided in an embodiment of the present invention are indicated
Figure.Touch panel 500 includes substrate, the electrode layer 501 set on the substrate surface, the insulation on the electrode layer 501
Layer 504 and the bridging structure 505 on the insulating layer 504.
As shown in figure 5, the electrode layer 501 includes mutually perpendicular first electrode 502 and second electrode 503, described the
Two electrodes 503 include two electrode blocks 503, and the first electrode 502 separates described two electrode blocks 503.The insulating layer 504
It is covered on entire 501 surface of electrode layer, the insulating layer 504 is provided with through-hole in the region that it intersects with the branch
508.The bridging structure 505 includes ontology 506 and two bifurcation structures 507, and the ontology 506 is set to the insulating layer 504
On in the region with predetermined width of the first electrode 502, described two bifurcation structures 507 are separately positioned on described
506 two sides of ontology, described two bifurcation structures 507 are connect by the through-hole 508 with the electrode block 503 respectively, are made described
Two electrode blocks 503 are connected.
Wherein, the bifurcation structure 507 includes Liang Ge branch, and the width of the branch is tied more than or equal to the bridge joint
The width of the ontology 506 of structure 505, for increasing the effective width of the branch, to increase the reliability of touch panel 500.
Wherein, it includes each institute that the through-hole 508 of the insulating layer 504, which can be set in the insulating layer 504,
Any position in branch is stated, as long as guaranteeing that the insulating layer 504 is both provided with one in the region comprising branch described in each
A through-hole 508, for guaranteeing that described two electricity can be connected by the through-hole 508 in the bridging structure 505
Pole block 503.
It is understood that the shape of the through-hole 508 can be square, circle or other shapes；The through-hole
508 size according to the actual situation depending on, it is therefore intended that enable the bridging structure 505 to pass through the through-hole 508 to lead
Lead to described two electrode blocks 503.
As shown in fig. 6, the insulating layer 504 is set between the electrode layer 501 and the bridging structure 505, and institute
The length that the lateral distance between the through-hole 508 of insulating layer 504 is greater than the ontology 506 is stated, so that the electrode layer 501
In be not turned between orthogonal first electrode 502 and second electrode 503, meanwhile, the insulating layer 504 be also used for barrier institute
The contact for stating bridging structure 505 with the first electrode 502 equally guarantees between the first electrode 502 and second electrode 503
Insulation.The bridging structure 505 is set on the insulating layer 504, and the length of the bridging structure 505 is exhausted greater than described
Lateral distance between the through-hole 508 of edge layer 504 is (referred to from the left end of the through-hole 508 of the left end of same horizontal line
Put to the distance between the right end point of through-hole 508 of right end), the bifurcation structure at 5 both ends of ontology of the bridging structure 505
507 are respectively connected to described two electrode blocks 503, for being connected to two electrode blocks 303 of the second electrode 303.
Wherein, the bridging structure 505 is tightly attached to 504 surface of insulating layer, therefore the bridging structure 505 exists
The edge (edge of the referred to described through-hole 508) of the insulating layer 504 and 501 intersection of electrode layer can generate " platform
Rank ".Due to the presence of the bifurcation structure 507, the number of " step " compared with the prior art, increases one times, and
It is independent of each other between " step ", avoids two electrodes for leading to the second electrode 503 because of one " step " damage
The case where block 503 cannot be connected to, plays the role of dual fail-safe.
It is understood that the bifurcation structure 507 can also be designed as three branches or more according to the actual situation
Branch.
The present invention provides a kind of touch panel and display device, the touch panel and display device setting bridge joint
Structure, wherein two bifurcation structures in the bridging structure are connected to corresponding electrode block, and described two electrode blocks are connected, can
To improve the yields of touch panel and display device.
It is provided for the embodiments of the invention a kind of touch panel and the display device comprising the touch panel above
Structure be described in detail, it is used herein that a specific example illustrates the principle and implementation of the invention,
Technical solution of the present invention that the above embodiments are only used to help understand and its core concept；The ordinary skill of this field
Personnel are it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the present invention is each
The range of the technical solution of embodiment.
Claims (10)
1. a kind of touch panel characterized by comprising
Substrate；
Electrode layer, the electrode layer are set to the substrate surface, and the electrode layer includes mutually perpendicular first electrode and second
Electrode, the second electrode include two electrode blocks, and the first electrode separates described two electrode blocks；
Insulating layer, the insulating layer are set on the electrode layer；
Bridging structure, the bridging structure include ontology and two bifurcation structures, and the ontology is set on the insulating layer, described
Two bifurcation structures are separately positioned on the ontology two sides, and described two bifurcation structures are connected to corresponding electrode block, make described
Two electrode block conductings.
2. touch panel as described in claim 1, which is characterized in that the bifurcation structure includes Liang Ge branch, the branch
Width be more than or equal to the bridging structure ontology width.
3. the touch panel stated such as claim 2, which is characterized in that the electrode layer includes setting area, and the insulating layer is set
In in the setting area, described two bifurcation structures are set to corresponding electrode block surface, connect with the electrode block.
4. touch panel as claimed in claim 3, which is characterized in that the side that the insulating layer intersects with the bifurcation structure
For curved surface.
5. touch panel as claimed in claim 2, which is characterized in that the insulating layer is covered on the entire electrode layer table
Face, the insulating layer are provided with through-hole in the region intersected with the branch, the bifurcation structure by the through-hole with it is described
Electrode block connection.
6. a kind of display device, which is characterized in that the display device includes touch panel, and the touch panel includes:
Substrate；
Electrode layer, the electrode layer are set to the substrate surface, and the electrode layer includes mutually perpendicular first electrode and second
Electrode, the second electrode include two electrode blocks, and the first electrode separates described two electrode blocks；
Insulating layer, the insulating layer are set on the electrode layer；
Bridging structure, the bridging structure include ontology and two bifurcation structures, and the ontology is set on the insulating layer, described
Two bifurcation structures are separately positioned on the ontology two sides, and described two bifurcation structures are connected to corresponding electrode block, make described
Two electrode block conductings.
7. display device as claimed in claim 6, which is characterized in that the bifurcation structure includes Liang Ge branch, the branch
Width be more than or equal to the bridging structure ontology width.
8. display device as claimed in claim 7, which is characterized in that the electrode layer includes setting area, the insulating layer
In the setting area, described two bifurcation structures are set to corresponding electrode block surface, connect with the electrode block.
9. display device as claimed in claim 8, which is characterized in that the side that the insulating layer intersects with the bifurcation structure
For curved surface.
10. display device as claimed in claim 7, which is characterized in that the insulating layer is covered on the entire electrode layer table
Face, the insulating layer are provided with through-hole in the region intersected with the branch, the bifurcation structure by the through-hole with it is described
Electrode block connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519053.9A CN109710106A (en) | 2018-12-12 | 2018-12-12 | Touch panel and display device |
| PCT/CN2019/074946 WO2020118886A1 (en) | 2018-12-12 | 2019-02-13 | Polarizer, and preparation method for liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519053.9A CN109710106A (en) | 2018-12-12 | 2018-12-12 | Touch panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109710106A true CN109710106A (en) | 2019-05-03 |
Family
ID=66255672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811519053.9A Pending CN109710106A (en) | 2018-12-12 | 2018-12-12 | Touch panel and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109710106A (en) |
| WO (1) | WO2020118886A1 (en) |
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| CN111078049A (en) * | 2019-12-17 | 2020-04-28 | 深圳纽迪瑞科技开发有限公司 | Pressure sensing device, equipment and manufacturing method of pressure sensing device |
| CN112198982A (en) * | 2020-09-28 | 2021-01-08 | 合肥维信诺科技有限公司 | Touch panel, manufacturing method thereof and display device |
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
| CN113407056A (en) * | 2021-06-17 | 2021-09-17 | 昆山国显光电有限公司 | Touch control function film layer and display panel |
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| Publication number | Publication date |
|---|---|
| WO2020118886A1 (en) | 2020-06-18 |
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Application publication date: 20190503 |