CN209044561U - Touch screen and electronic device - Google Patents
Touch screen and electronic device Download PDFInfo
- Publication number
- CN209044561U CN209044561U CN201822165386.8U CN201822165386U CN209044561U CN 209044561 U CN209044561 U CN 209044561U CN 201822165386 U CN201822165386 U CN 201822165386U CN 209044561 U CN209044561 U CN 209044561U
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- China
- Prior art keywords
- touch screen
- insulating layer
- layer
- ground wire
- facies posterior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 208000035126 Facies Diseases 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 8
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The utility model discloses a kind of touch screen and electronic devices.Touch screen includes substrate layer, and the opposite two sides of substrate layer is provided with conductive layer.Touch screen includes viewfinder area and the rim area around viewfinder area.Conductive layer positioned at viewfinder area is formed with conductive pattern.Ground wire is provided on the conductive layer of rim area.The peripheral exposed portion conductive layer of ground wire is to form insulating layer facies posterior hepatis.The touch screen of the utility model embodiment, directly insulating layer is attached as insulating layer facies posterior hepatis using the peripheral conductive layer not by ground wire covering, the problem of metal residual on insulating layer facies posterior hepatis can be improved in this way, the adhesive force of reinforced insulation layer facies posterior hepatis, the space requirement between ground wire and insulating layer facies posterior hepatis can be reduced simultaneously, to reduce frame to meet narrow frame design requirement.
Description
Technical field
The utility model relates to touch screen technology fields, more particularly, to a kind of touch screen and electronic device.
Background technique
In DITO (Double ITO) film touch screen, the two-sided of substrate is provided with ITO conductive pattern, in ITO conduction
Influence of the setting ground wire to avoid electrostatic to ITO conductive pattern on the outside of pattern.In order to protect ITO conductive pattern and route, usually
Insulating layer is covered in conductive circuit layer.In the related art, in order to which insulating layer can be preferably bonded in conductive circuit layer,
Increase by a circle insulation attachment piece at ground wire is 300 μm peripheral to attach insulating layer.However, in production operation process, when material ruler
It is very little variation it is larger when, exposure deflection probability it is larger, insulate attachment piece on easy kish, cause problem of appearance.In addition, insulation is attached
Have 300 μm of spacing between block and ground wire, will increase the frame of touch screen, be unable to satisfy narrow frame design requirement.
Utility model content
The embodiments of the present invention provides a kind of touch screen and electronic device.
The touch screen of the utility model embodiment includes substrate layer, and the opposite two sides of the substrate layer is provided with conduction
Layer.The touch screen includes viewfinder area and the rim area around the viewfinder area.The conductive layer shape positioned at the viewfinder area
At there is conductive pattern.Ground wire is provided on the conductive layer of the rim area.The peripheral exposed portion institute of the ground wire
Conductive layer is stated to form insulating layer facies posterior hepatis.
The touch screen of the utility model embodiment, directly using the peripheral conductive layer not covered by ground wire as insulating layer
Facies posterior hepatis is come the problem of attaching insulating layer, can improve metal residual on insulating layer facies posterior hepatis in this way, reinforced insulation layer facies posterior hepatis
Adhesive force, while the space requirement between ground wire and insulating layer facies posterior hepatis can be reduced, to reduce frame to meet narrow side
Frame design requirement.
In some embodiments, the insulating layer facies posterior hepatis is annular in shape.In this way, cricoid insulating layer facies posterior hepatis can be used for
Attach the edge of insulating layer.
In some embodiments, the rim area is provided with conducting wire on the conductive layer.The conducting wire
Connect the conductive pattern and the ground wire.In this way, conductive pattern connects the driving chip of touch screen by conducting wire, thus
Realize touch function；Ground wire is connect with conductive pattern by conducting wire and is caused to avoid the charge of Electro-static Driven Comb to conductive pattern
Damage.
In some embodiments, one end of the conducting wire connects the conductive pattern, the conducting wire it is another
One end is connected with flexible circuit board.In this way, the driving chip of touch screen can be connected by flexible circuit board.
In some embodiments, the other end of the conducting wire is connect by conducting resinl with the flexible circuit board.
In this way, conducting wire is electrically connected with flexible circuit board.
In some embodiments, the touch screen includes insulating layer.The insulating layer covers the conductive pattern, described
Ground wire and at least part insulating layer facies posterior hepatis.In this way, the edge of insulating layer is attached to insulating layer facies posterior hepatis so that insulation
Layer protection conductive pattern, ground wire.
In some embodiments, the ground wire is copper wire or silver wire.The conductive layer is ITO conductive layer.In this way, copper
The electric conductivity of line or silver-colored ground wire is preferable, and ITO conductive layer electric conductivity is preferable.
In some embodiments, the conductive pattern is formed by exposure development.In this way, the cost of manufacture of conductive pattern
It is low.
In some embodiments, the width of the ground wire is greater than 100 μm, and the width of the insulating layer facies posterior hepatis is in 280 μ
Between m-320 μm.The adhesive force of insulating layer facies posterior hepatis so can be enhanced, while reducing frame and being wanted with meeting narrow frame design
It asks.
The electronic device of the utility model embodiment includes touch screen described in any of the above-described embodiment and shell.Institute
It states touch screen and is mounted on the shell.
In the electronic device of the utility model embodiment, touch screen directly utilizes the peripheral conductive layer not covered by ground wire
The problem of attaching insulating layer as insulating layer facies posterior hepatis, can improving metal residual on insulating layer facies posterior hepatis in this way, enhancing are exhausted
The adhesive force of edge layer facies posterior hepatis, while the space requirement between ground wire and insulating layer facies posterior hepatis can be reduced, to reduce frame
To meet narrow frame design requirement.
The additional aspect and advantage of the embodiments of the present invention will be set forth in part in the description, partially will be from
Become obvious in following description, or is recognized by the practice of the embodiments of the present invention.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the embodiments of the present invention are from combination following accompanying drawings to embodiment party
It will be apparent and be readily appreciated that in the description of formula, in which:
Fig. 1 is the structural schematic diagram of the touch screen of the utility model embodiment；
Fig. 2 is the partial cutaway schematic view of the touch screen of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the electronic device of the utility model embodiment.
Main element symbol description:
Touch screen 10, viewfinder area 102, rim area 104, substrate layer 12, conductive layer 14, ground wire 16, insulating layer facies posterior hepatis 18,
Conducting wire 13, pin 132, insulating layer 15, electronic device 100.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of " clockwise ", instruction " counterclockwise " be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Fig. 1 and Fig. 2 are please referred to, the touch screen 10 of the utility model embodiment includes substrate layer 12, and substrate layer 12 is opposite
Two sides be provided with conductive layer 14.Touch screen 10 includes viewfinder area 102 and the rim area 104 around viewfinder area 102.Positioned at view
The conductive layer 14 in window area 102 is formed with conductive pattern (not shown).Ground wire is provided on the conductive layer 14 of rim area 104
16.The peripheral exposed portion conductive layer 14 of ground wire 16 is to form insulating layer facies posterior hepatis 18.
The touch screen 10 of the utility model embodiment, directly using the peripheral conductive layer 14 not covered by ground wire 16 as
Insulating layer facies posterior hepatis 18 is come the problem of attaching insulating layer 15, can improve metal residual on insulating layer facies posterior hepatis 18 in this way, enhancing
The adhesive force of insulating layer facies posterior hepatis 18, while the space requirement between ground wire 16 and insulating layer facies posterior hepatis 18 can be reduced, thus
Frame is reduced to meet narrow frame design requirement.
It is appreciated that the opposite two sides of substrate layer 12 is stacked with conductive layer 14 and ground wire 16 outward.Wherein, it is located at form
The conductive layer 14 in area 102 is formed with conductive pattern, and ground wire 16 is arranged on the conductive layer 14 of rim area 104.In conductive pattern and
Insulating layer 15 is covered on ground wire 16 can protect conductive pattern and ground wire 16.Due to the material of insulating layer 15 and the table of conductive layer 14
Face adhesion effect is preferable, during making touch screen 10, can reserve the conductive layer 14 of 16 periphery of ground wire as insulation
Layer facies posterior hepatis 18 is to attach insulating layer 15.
In the present invention, conductive layer 14 is ITO (Indium tin oxide aoxidizes cigarette tin) conductive layer, Ke Yi
The surface sputtering transparent indium tin oxide coating of substrate layer 12 is simultaneously formed through the high temperature anneal.Insulating layer 15 can use polyethylene
(Polyethylene, PE) material is made.In this way, since polythene material and the surface ITO adhesion effect are preferable, it is ensured that absolutely
The edge of edge layer 15 is preferably bonded on insulating layer facies posterior hepatis 18.Substrate layer 12 includes high temperature resistance polyester film.High temperature resistant is poly-
It is indeformable that ester film can guarantee that substrate layer 12 is subjected to high temperature.
It should be noted that the width of ground wire 16 can be at 100 μm or more, preferably 200 μm or more.When generation electrostatic or leakage
When electric, charge can be imported the earth rapidly by ground wire 16.The width of insulating layer facies posterior hepatis 18 can be excellent between 100 μm -400 μm
It selects between 280 μm -320 μm, preferably, the width of insulating layer facies posterior hepatis 18 is 300 μm, it is ensured that insulating layer facies posterior hepatis 18 has
Enough positions and the edge of insulating layer 15 attach.
In some embodiments, insulating layer facies posterior hepatis 18 is annular in shape.
In this way, cricoid insulating layer facies posterior hepatis 18 can be used for attaching the edge of insulating layer 15.It is appreciated that ground wire 16 is ring
Shape, accordingly, the peripheral conductive layer 14 not covered by ground wire 16 are also ring-type, i.e., insulating layer facies posterior hepatis 18 is ring-type.
In some embodiments, rim area 104 is provided with conducting wire 13 on conductive layer 14, and conducting wire 13 connects
Conductive pattern and ground wire 16.
In this way, conductive pattern connects the driving chip of touch screen 10 by conducting wire 13, to realize touch function；Ground
Line 16 is connect with conductive pattern by conducting wire 13 and is damaged to avoid the charge of Electro-static Driven Comb to conductive pattern.Specifically
Ground, conducting wire 13 is between ground wire 16 and conductive pattern.For example, can on conductive layer 14 silk-screen metal layer, then lead to
Overetch metal layer forms conducting wire 13.
In some embodiments, one end of conducting wire 13 connects conductive pattern, the other end connection of conducting wire 13
Flexible circuit board.
In this way, the driving chip of touch screen 10 can be connected by flexible circuit board.It is appreciated that the one of conducting wire 13
End connection conductive pattern, the other end be equipped with pin 132, pin 132 can be electrically connected by conducting resinl with flexible circuit board thus
Realize that conducting wire 13 is electrically connected with flexible circuit board.Specifically, it is pasted with conducting resinl at the pin 132 of conducting wire 13, it is soft
After the pin 132 of property circuit board is aligned with the pin 132 of conducting wire 13, it can be bound by high temperature hot pressing.Conducting resinl can be with
For anisotropic conductive adhesive paste (ACF, Anisotropic Conductive Film).
Further, ground wire 16 can connect the pin 132 of conducting wire 13, to connect conduction by conducting wire 13
Pattern.
In some embodiments, touch screen 10 includes insulating layer 15, and insulating layer 15 covers conductive pattern, ground wire 16 and extremely
Few a part of insulating layer facies posterior hepatis 18.
In this way, the edge of insulating layer 15 is attached to insulating layer facies posterior hepatis 18 so that insulating layer 15 protects conductive pattern, ground wire
16.Preferably, insulating layer 15 covers whole insulating layer facies posterior hepatis 18.In this manner it is ensured that the adhesive force of insulating layer 15, avoids absolutely
Edge layer 15 is easy to fall off.
In some embodiments, ground wire 16 is copper wire or silver wire, and conductive layer 14 is ITO conductive layer 14.In this way, copper ground wire
16 or silver-colored ground wire 16 electric conductivity it is preferable, 14 electric conductivity of ITO conductive layer is preferable.
In some embodiments, conductive pattern is formed by exposure development.
In this way, the low manufacture cost of conductive pattern.Specifically, it silk-screen can be etched on the conductive layer 14 of viewfinder area 102
Cream simultaneously produces conductive pattern by exposure development technique.
Referring to Fig. 3, the electronic device 100 of the utility model embodiment includes the touch screen of any of the above-described embodiment
10 and shell 20.Touch screen 10 is mounted on shell 20.
In the electronic device 100 of the utility model embodiment, touch screen 10 is not covered using by ground wire 16 directly outer
Conductive layer 14 is enclosed as insulating layer facies posterior hepatis 18 to attach insulating layer 15, and it is residual can to improve metal on insulating layer facies posterior hepatis 18 in this way
The problem of staying, the adhesive force of reinforced insulation layer facies posterior hepatis 18, while can reduce between ground wire 16 and insulating layer facies posterior hepatis 18
Space requirement, to reduce frame to meet narrow frame design requirement.
It is appreciated that electronic device 100 includes but is not limited to mobile phone, tablet computer, laptop, Fingerprint Lock, can wear
Wear smart machine, car-mounted terminal etc..In the example of fig. 3, electronic device 100 is mobile phone.
In the description of this specification, reference term " certain embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " means to combine embodiment or show
Example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.
In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics can be in any one or more embodiments or example with suitable side
Formula combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two,
Three, unless otherwise specifically defined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside can make changes, modifications, alterations, and variations to the above described embodiments, the scope of the utility model is by claim and its is equal
Object limits.
Claims (10)
1. a kind of touch screen, which is characterized in that including substrate layer, the opposite two sides of the substrate layer is provided with conductive layer, institute
Stating touch screen includes viewfinder area and around the rim area of the viewfinder area, and the conductive layer positioned at the viewfinder area, which is formed with, leads
Electrical pattern is provided with ground wire, conduction described in the peripheral exposed portion of the ground wire on the conductive layer of the rim area
Layer is to form insulating layer facies posterior hepatis.
2. touch screen as described in claim 1, which is characterized in that the insulating layer facies posterior hepatis is annular in shape.
3. touch screen as described in claim 1, which is characterized in that the rim area is provided with conductor wire on the conductive layer
Road, the conducting wire connect the conductive pattern and the ground wire.
4. touch screen as claimed in claim 3, which is characterized in that one end of the conducting wire connects the conductive pattern,
The other end of the conducting wire is connected with flexible circuit board.
5. touch screen as claimed in claim 4, which is characterized in that the other end of the conducting wire by conducting resinl with it is described
Flexible circuit board connection.
6. touch screen as described in claim 1, which is characterized in that the touch screen includes insulating layer, the insulating layer covering
The conductive pattern, the ground wire and at least part insulating layer facies posterior hepatis.
7. touch screen as described in claim 1, which is characterized in that the ground wire is copper wire or silver wire, and the conductive layer is ITO
Conductive layer.
8. touch screen as described in claim 1, which is characterized in that the conductive pattern is formed by exposure development.
9. touch screen as described in claim 1, which is characterized in that the width of the ground wire is greater than 100 μm, and the insulating layer is attached
Portion width between 280 μm -320 μm.
10. a kind of electronic device, which is characterized in that including the described in any item touch screens of claim 1-9 and shell, the touching
It touches screen and is mounted on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165386.8U CN209044561U (en) | 2018-12-21 | 2018-12-21 | Touch screen and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165386.8U CN209044561U (en) | 2018-12-21 | 2018-12-21 | Touch screen and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209044561U true CN209044561U (en) | 2019-06-28 |
Family
ID=67044743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822165386.8U Expired - Fee Related CN209044561U (en) | 2018-12-21 | 2018-12-21 | Touch screen and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209044561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568964A (en) * | 2019-09-12 | 2019-12-13 | 业成科技（成都）有限公司 | Sensor assembly, preparation method thereof, bonding structure and touch panel module |
-
2018
- 2018-12-21 CN CN201822165386.8U patent/CN209044561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568964A (en) * | 2019-09-12 | 2019-12-13 | 业成科技（成都）有限公司 | Sensor assembly, preparation method thereof, bonding structure and touch panel module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 |