CN209182795U - Touch screen and electronic device - Google Patents
Touch screen and electronic device Download PDFInfo
- Publication number
- CN209182795U CN209182795U CN201821965486.2U CN201821965486U CN209182795U CN 209182795 U CN209182795 U CN 209182795U CN 201821965486 U CN201821965486 U CN 201821965486U CN 209182795 U CN209182795 U CN 209182795U
- Authority
- CN
- China
- Prior art keywords
- touch screen
- insulating layer
- block
- binding
- circuit board
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 20
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical group O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- -1 smart phone Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Position Input By Displaying (AREA)
Abstract
The utility model relates to a kind of touch screen and electronic device, the touch screens, comprising: binding area, the binding area are used for mounting circuit boards, and are equipped with the metal being electrically connected with the contact conductor of the touch screen and bind block；Insulating layer, the insulating layer are arranged in the binding area, and cover the metal binding block, and can generate crack when insulating layer compression；Wherein, the crack can be such that the conducting particles of conducting resinl passes through, so that the conducting particles of the conducting resinl reaches at the metal binding block, so that the circuit board that the binding area is arranged in can bind block by the conducting particles of the conducting resinl and the metal and be electrically connected.The metal binding block of the touch screen is covered by insulating layer, so that metal binding block be made to be isolated with outside air, avoids being oxidized, while when insulating layer is pressurized and generates crack, can realize that metal binds being electrically connected between block and circuit board by conducting resinl.
Description
Technical field
The utility model relates to technical field of touch control, more particularly to a kind of touch screen and electronic device.
Background technique
Touch screen generally includes visible area, metal circuit zone, and the binding area for installing flexible circuit board, binds area
Block is bound equipped with the metal that the lead with metal lead wire area is electrically connected, when installing flexible circuit board, metal binds block and flexibility
The golden finger of circuit board is electrically connected.Visible area and metal circuit zone, which are all adhered to by insulation material layer, under normal conditions protects, by
It binds that block is exposed not to be covered by a layer of insulating material in the metal for needing to connect with flexible circuit board, therefore binding area, leads to metal binding
Determine block to be oxidized easily, generation is heterochromatic, even will affect the electric connection with FPC when serious.
Utility model content
The utility model provides a kind of touch screen and electronic device, it is intended to solve metal binding block is exposed to be easy in air
It is oxidized problem.
The utility model is realized in this way a kind of touch screen, comprising: binding area, the binding area is for installing circuit
Plate, the binding area are equipped with the metal being electrically connected with the contact conductor of the touch screen and bind block；Insulating layer, the insulating layer
It is arranged in the binding area, and covers the metal binding block, and crack can be generated when insulating layer compression；Wherein, institute
Stating crack can be such that the conducting particles of conducting resinl passes through, and bind block so that the conducting particles of the conducting resinl reaches the metal
Place, so that the circuit board in the binding area is arranged in can be bound by the conducting particles of the conducting resinl and the metal
Block is electrically connected.
Touch screen provided by the utility model, metal binding block are covered by insulating layer, to make metal binding block and outer
Boundary's air insulated avoids being oxidized, while when insulating layer is pressurized and generates crack, can realize that metal binds block by conducting resinl
Being electrically connected between circuit board had not only been able to achieve metal binding in this way and has determined being electrically connected between block and circuit board, but also can be the two
Between electric connection provide safeguard.
Further, the insulating layer is photopolymer layer, to keep the production of touch screen more convenient.
Further, the thickness of the insulating layer be more than or equal to 5nm, can make in this way insulating layer have better air every
Exhausted effect effectively avoids vapor and oxygen in air from contacting through the crack of insulating layer with metal binding block.
Further, the thickness of the insulating layer is less than or equal to 30nm, in this way can be excessive to avoid the thickness of insulating layer, protects
The permeability for demonstrate,proving the conducting particles of conducting resinl makes the conducting particles of conducting resinl bind block with metal and comes into full contact with, to improve gold
Belong to the reliability being electrically connected between binding block and circuit board.
Further, protective film, the protective film are covered on the contact conductor, and the protective film and the insulation
Layer is integrated setting, to simplify production process, improves production efficiency.
Further, the touch screen further include: transparent substrate, the contact conductor are arranged on the transparent substrate；
The protective film is located within the scope of the transparent substrate along the projection of the vertical transparent substrate board direction.
Further, ITO auxiliary block is additionally provided on the transparent substrate, the ITO auxiliary block is located at the contact conductor
Outside, the edge of the protective film is in contact with the ITO auxiliary block.It can effectively solve what protection film edge tilted in this way
Problem.
The utility model additionally provides a kind of electronic device, which includes: touch screen, and the touch screen is as in power
Described in any one；Circuit board, the circuit board is mounted on the binding area of the touch screen, and passes through conducting resinl and the binding
The binding block in area is electrically connected.
Further, the conducting resinl is anisotropic conductive film, to make the assembling between circuit board and touch screen more
Add simple and convenient.
Further, the circuit board is flexible circuit board, to keep entire electronic device available more optimal
Design.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of touch screen provided by the utility model；
Fig. 2 is the partial schematic diagram in the binding area of touch screen provided by the utility model；
Fig. 3 is the stacked structure schematic diagram that touch screen provided by the utility model binds area.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that when element is referred to as the similar languages such as " be fixed on, be installed on, or being set to " another element
When, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection or
Connect " another element, it can be directly to another element or may be simultaneously present centering elements.
As shown in Figure 1 to Figure 3, in embodiment provided by the utility model, the touch screen, comprising: binding area 1 and insulation
Layer 2.It binds area 1 and is used for mounting circuit boards, binding area 1 is equipped with the metal being electrically connected with the contact conductor 3 of touch screen and binds block
4；Insulating layer 2 is set to binding area 1, and covers metal binding block 4, and can generate crack when the compression of insulating layer 2；Wherein, it splits
Seam can be such that the conducting particles of conducting resinl passes through, so that the conducting particles of conducting resinl reaches at metal binding block 4, so that setting
The electric connection of block 4 can be bound by the conducting particles and metal of conducting resinl by setting the circuit board in binding area 1.
In the present embodiment, the metal binding block 4 in touch screen is covered by insulating layer 2, to make metal binding block 4 and outer
Boundary's air insulated avoids being oxidized, while the crack that the compression of insulating layer 2 generates can be such that conducting resinl particle passes through, therefore can pass through
Conducting resinl realizes being electrically connected between metal binding block 4 and circuit board, i.e., metal binding both may be implemented by the setting of insulating layer 2
Determine being electrically connected between block 4 and circuit board, and be avoided that metal binding block oxidation, provides guarantor for electric connection between the two
Barrier.In addition, in the present embodiment, insulating layer 2 becomes coarse in the generation crack rear surface that is pressurized, and circuit board passes through conductive glue
In insulating layer 2, it is not likely to produce opposite sliding therebetween, facilitates circuit board and is bonded with the binding of touch screen.
In embodiment provided by the utility model, insulating layer 2 is photopolymer layer, and uncured dry film can pass through machinery pressure
The binding area of touch screen is arranged in film mode, and may then pass through illumination solidifies dry film, to further increase touch screen
Production efficiency.When being furthermore laid with dry film, can be and be only laid at binding area 1, be also possible to first to be laid with covering binding area 1,
And photopolymer layer of the area beyond binding area, then make geomery and the binding area 1 of photopolymer layer by way of exposure development again
Geomery matching.It should be understood that insulating layer 2 can also be by setting in other embodiments provided by the utility model
It sets and is formed after the UV sealant (ultraviolet curing glue) in binding area etc. is cured.
In embodiment provided by the utility model, the thickness setting of insulating layer 2 is more than or equal to 5nm, can make in this way
Insulating layer has better air exclusion effect, and vapor and oxygen in air is effectively avoided to penetrate the crack of insulating layer 2
It is contacted with metal binding block.Further, in the present embodiment, the thickness of insulating layer 2 is less than or equal to 30nm, in this way can be to avoid
The thickness of insulating layer is excessive, guarantees the permeability of the conducting particles of conducting resinl, and the conducting particles of conducting resinl and metal is made to bind block 4
It comes into full contact with, to improve the reliability being electrically connected between metal binding block 4 and circuit board.Preferably, the thickness of insulating layer 2
Degree is arranged between 7nm-10nm, wherein in a kind of specific embodiment of the present embodiment, the thickness of insulating layer 2 is set as
8nm.The thickness that insulating layer 2 can be reduced under the premise of guaranteeing that insulating layer 2 completely cuts off air effect in this way, can not only improve touching
Touch the electrical connection properties of screen and circuit board, moreover it is possible to reduce the integral thickness of touch screen.
As shown in Figure 1, touch screen further includes transparent substrate 5 and protective film 6, wherein contact conductor is arranged in transparent substrate
On, it cuts contact conductor 3 and surrounds the visible area 7 for forming touch screen, binding area 1 is located at the outside of contact conductor 3, the touching of visible area 7
Touch electrode generation electric signal be transferred to contact conductor 3 after, can be transferred to metal binding block 4, and eventually by metal bind block 4
Spread out of touch screen.
In addition, in the present embodiment, protective film covers contact conductor 3 and visible area 7, insulating layer 2 covers metal and binds block
4, and a part is covered on the transparent substrate in binding 1 region of area.In order to simplify production process, in the present embodiment, protective film 6
It is integrated setting with insulating layer 2, i.e. protective film 6 and insulating layer 2 can be regarded as being covered on contact conductor 3 by same dry film and shape
At.
In the actual production process, muti-piece touch screen produces simultaneously, and each touch screen is also integrated after attaching protective film 6, this
When need to separate each touch screen by clicking technique.In order to avoid damaging touch screen when punching, incision site passes through distance electricity
There is certain distance in the outside of pole lead 3, and since the adhesive force between protective film and transparent substrate is inadequate, film edge is protected after punching
It can tilt, in order to avoid the tilting of 6 edge of protective film damages (for example, making between protective film 6 and transparent substrate 5 touch screen
Generate bubble etc.), each touch screen also needs the mode by exposure development after punching separation, and the edge by protective film 6 is inside
A part is removed, so that protective film 6 be made to be located in 5 range of transparent substrate along the projection of vertical 5 board direction of transparent substrate.
Further, in order to keep the edge fitting of protective film 5 closer, ITO auxiliary block 8 is additionally provided on transparent substrate 5
(ITO is the abbreviation of Indium Tin Oxide, and Chinese is tin indium oxide), wherein ITO auxiliary block 8 is located at contact conductor 3
Outside, the edge of protective film 6 is in contact with ITO auxiliary block, since the adhesion strength between protective film 6 and ITO auxiliary block is big
Adhesion strength between protective film 6 and transparent substrate 5, so protective film 6 can be effectively reduced by the setting of ITO auxiliary block
A possibility that edge tilts.
In addition, the transparent substrate of touch screen is equipped with ITO layer in embodiment provided by the utility model, set in ITO layer
There is metal layer, after the techniques such as overetch, exposure development, metal layer forms metal binding block 4 and contact conductor 3, and ITO layer is can
Touching motor is formed in vision area 7, and ITO auxiliary block is formed on the outside of contact conductor.
The utility model additionally provides a kind of electronic device, which includes: touch screen, and is mounted on touch screen
Bind the circuit board in area 1.Wherein, touch screen is the touch screen as described in above-mentioned any embodiment, and circuit board passes through conductive gluing
It connects in the area that makes of touch screen, while so that the insulating layer 2 for binding area 1 is generated crack by hot pressing mode, to make conducting resinl
Conducting particles penetrates, and realizes being electrically connected between metal binding block 4 and circuit board.In addition it should be appreciated that metal binding block 4 with
Electrical connection between circuit board actually refers to that metal binding determines being electrically connected between block 4 and the golden finger on circuit board.In addition,
In the present embodiment, electronic device can be the end products such as smart phone, tablet computer.
In embodiment provided by the utility model, circuit board uses flexible circuit board (English name Flexible
Printed Circuit, is abbreviated as FPC), since flexible circuit board has, Distribution density is high, light-weight, thickness is thin, bending
Good feature, therefore electronic device can be made to obtain optimization design by flexible circuit board, for example reduce the volume, excellent of electronic device
Change electronic performance etc..It should be understood that circuit board can also use in other embodiments provided by the utility model
Pcb board (PCB is the abbreviation of Printed Circuit Board, and Chinese is printed circuit board) etc..
In embodiment provided by the utility model, conducting resinl is that (English name is anisotropic conductive film
Anisotropic Conductive Film, is abbreviated as ACF), ACF can be pasted as double-sided adhesive, and then solidification is
The connection of two articles can be achieved, therefore the assembling between circuit board and touch screen can be made simpler using ACF by conducting resinl
It is convenient.Certainly in other embodiments provided by the utility model, conducting resinl can also use ACP, to improve circuit board and touching
Touch the adhesive strength between screen.Wherein, ACP is Anisotropic Conductive Paste abbreviation, and Chinese is incorgruous
Electrocondution slurry.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of touch screen characterized by comprising
Area is bound, the binding area is used for mounting circuit boards, and is equipped with the gold being electrically connected with the contact conductor of the touch screen
Belong to binding block；
Insulating layer, the insulating layer are arranged in the binding area, and cover the metal binding block, and when insulating layer compression
Crack can be generated；
Wherein, the crack can be such that the conducting particles of conducting resinl passes through, described in the conducting particles arrival so as to the conducting resinl
Metal is bound at block, so that the circuit board that the binding area is arranged in can conducting particles by the conducting resinl and institute
Metal binding block is stated to be electrically connected.
2. touch screen according to claim 1, which is characterized in that the insulating layer is photopolymer layer.
3. touch screen according to claim 1, which is characterized in that the thickness of the insulating layer is more than or equal to 5nm.
4. touch screen according to claim 3, which is characterized in that the thickness of the insulating layer is less than or equal to 30nm.
5. touch screen according to claim 1, which is characterized in that the touch screen further include: protective film, the protective film
It is covered on the contact conductor, and the protective film and the insulating layer are integrated setting.
6. touch screen according to claim 5, which is characterized in that the touch screen further include:
Transparent substrate, the contact conductor are arranged on the transparent substrate；
The protective film is located within the scope of the transparent substrate along the projection of the vertical transparent substrate board direction.
7. touch screen according to claim 6, which is characterized in that ITO auxiliary block is additionally provided on the transparent substrate, it is described
ITO auxiliary block is located at the outside of the contact conductor, and the edge of the protective film is in contact with the ITO auxiliary block.
8. a kind of electronic device characterized by comprising
Touch screen, the touch screen is as described in claim 1-7 any one；
Circuit board, the circuit board is mounted on the binding area of the touch screen, and passes through the binding of conducting resinl and the binding area
Block is electrically connected.
9. electronic device according to claim 8, which is characterized in that the conducting resinl is anisotropic conductive film.
10. electronic device according to claim 8, which is characterized in that the circuit board is flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965486.2U CN209182795U (en) | 2018-11-27 | 2018-11-27 | Touch screen and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965486.2U CN209182795U (en) | 2018-11-27 | 2018-11-27 | Touch screen and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182795U true CN209182795U (en) | 2019-07-30 |
Family
ID=67374241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821965486.2U Expired - Fee Related CN209182795U (en) | 2018-11-27 | 2018-11-27 | Touch screen and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182795U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110489017A (en) * | 2019-09-27 | 2019-11-22 | 业成科技（成都）有限公司 | Touch screen, touching display screen and intelligent terminal |
| CN110544434A (en) * | 2019-09-04 | 2019-12-06 | 云谷（固安）科技有限公司 | display panel, manufacturing method thereof and display device |
| CN110796948A (en) * | 2019-10-30 | 2020-02-14 | 维沃移动通信有限公司 | Display module, electronic equipment and display module processing method |
| CN111090357A (en) * | 2019-11-25 | 2020-05-01 | 业成科技（成都）有限公司 | Touch module, preparation method thereof and electronic equipment |
| CN113407062A (en) * | 2021-07-14 | 2021-09-17 | 业成科技（成都）有限公司 | Display panel and terminal device |
| CN114898910A (en) * | 2022-04-24 | 2022-08-12 | 绵阳惠科光电科技有限公司 | Conductive particle, conductive adhesive and display device |
-
2018
- 2018-11-27 CN CN201821965486.2U patent/CN209182795U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544434A (en) * | 2019-09-04 | 2019-12-06 | 云谷（固安）科技有限公司 | display panel, manufacturing method thereof and display device |
| CN110489017A (en) * | 2019-09-27 | 2019-11-22 | 业成科技（成都）有限公司 | Touch screen, touching display screen and intelligent terminal |
| CN110489017B (en) * | 2019-09-27 | 2022-08-30 | 业成科技（成都）有限公司 | Touch screen, touch display screen and intelligent terminal |
| CN110796948A (en) * | 2019-10-30 | 2020-02-14 | 维沃移动通信有限公司 | Display module, electronic equipment and display module processing method |
| CN110796948B (en) * | 2019-10-30 | 2022-03-22 | 维沃移动通信有限公司 | Display module, electronic equipment and display module processing method |
| CN111090357A (en) * | 2019-11-25 | 2020-05-01 | 业成科技（成都）有限公司 | Touch module, preparation method thereof and electronic equipment |
| CN111090357B (en) * | 2019-11-25 | 2022-04-22 | 业成科技（成都）有限公司 | Touch module, preparation method thereof and electronic equipment |
| CN113407062A (en) * | 2021-07-14 | 2021-09-17 | 业成科技（成都）有限公司 | Display panel and terminal device |
| CN113407062B (en) * | 2021-07-14 | 2022-10-25 | 业成科技（成都）有限公司 | Display panel and terminal device |
| CN114898910A (en) * | 2022-04-24 | 2022-08-12 | 绵阳惠科光电科技有限公司 | Conductive particle, conductive adhesive and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200116 Address after: 330000 room 615, No.28, Gaoxin Second Road, Nanchang high tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Nanchang Oufei Touch Technology Co.,Ltd. Address before: 330100, Jiangxi Nanchang small and micro Industrial Park office building two floor Patentee before: NANCHAGN OFILM DISPLAY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 330096 no.1404, Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Huiguang Microelectronics Co.,Ltd. Address before: 330000 room 615, 28 Gaoxin 2nd Road, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: Nanchang Oufei Touch Technology Co.,Ltd. |
|
| 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: 20190730 |