CN108803934A - A kind of touch screen - Google Patents
A kind of touch screen Download PDFInfo
- Publication number
- CN108803934A CN108803934A CN201810680871.0A CN201810680871A CN108803934A CN 108803934 A CN108803934 A CN 108803934A CN 201810680871 A CN201810680871 A CN 201810680871A CN 108803934 A CN108803934 A CN 108803934A
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- CN
- China
- Prior art keywords
- layer
- sensor
- panel
- sensor layer
- touch screen
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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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 discloses the panel layers and sensor layer of a kind of touch screen, including stacked distribution；The panel layer is molded by IML technology；It is provided with the first adhesive layer, the panel layer and the sensor layer between the panel layer and the sensor layer, connection is bonded by first adhesive layer；The CTE of the base material of the sensor layer and the CTE difference value of the panel layer are no more than 40ppm/ DEG C；It is no more than 40ppm/ DEG C by the CTE difference value being arranged between adjacent two layers, solving panel layer can be because deformation quantity be inconsistent to generate deformational stress, the problem of being susceptible to using binding face center as the cyclic annular degumming phenomenon in the center of circle with sensor layer.
Description
Technical field
The present invention relates to field of terminal technology more particularly to a kind of touch screens.
Background technology
Currently, in the touch screen for the sensor layer that structure is panel layer+glass GLASS materials, because of IML layers and sensing
CTE (thermal expansion coefficient, coefficient of thermal expansion) differences between device layer are larger, so working as touch screen
When in hot and cold alternation, IML panel layers can be because deformation quantity be inconsistent to generate deformational stress with sensor layer；And the faces IML
It is only bonded together with very thin glue-line between plate layer and sensor layer, it is therein to alleviate to generate deformation without place
Stress is like brokenly screen so being susceptible to the cyclic annular degumming phenomenon using binding face center as the center of circle from the point of view of appearance.Therefore,
There is an urgent need for the touches that a kind of new touch screen carrys out the sensor layer that alternative structure is IML panel layers+glass GLASS materials in the market
Screen.
Invention content
The purpose of the present invention is to provide a kind of touch screens, to solve problem above.
For this purpose, the present invention uses following technical scheme：
A kind of touch screen includes the panel layer and sensor layer of stacked distribution；
The panel layer is molded by IML technology；
The panel layer is provided with the first adhesive layer, the panel layer and the sensing on one side in face of the sensor layer
Device layer is bonded by first adhesive layer and is connected；
CTE difference value between the sensor layer and the adjacent panel layer is no more than 40ppm/ DEG C.
Optionally, the material of the panel layer is makrolon.
Optionally, the base material of the sensor layer is PET.
Optionally, the sensor layer includes first sensor layer and second sensor layer, the first sensor layer and
The second adhesive layer is provided between the second sensor layer, the first sensor layer and the second sensor layer pass through institute
State the bonding connection of the second adhesive layer.
Optionally, the base material of the first sensor layer and the second sensor layer is PET.
Optionally, the material of first adhesive layer and second adhesive layer is OCA.
Optionally, also it is electrically connected with flexible circuit board on the sensor layer.
A kind of touch screen includes the panel layer and sensor layer of stacked distribution；
The panel layer is molded by IML technology；
It is provided with buffer layer between the panel layer and sensor layer；
The panel layer is provided with the first adhesive layer on one side in face of the buffer layer, and the buffer layer faces the sensing
Device layer is provided with third adhesive layer；The panel layer is bonded by first adhesive layer with the buffer layer and is connected, described slow
It rushes layer and connection is bonded by the third adhesive layer with the sensor layer；
CTE difference value between the adjacent panel layer and the buffer layer is no more than 40ppm/ DEG C, and adjacent is described slow
The CTE difference value rushed between layer and the sensor layer is no more than 40ppm/ DEG C.
Optionally, the CTE difference value between the adjacent panel layer and the buffer layer is adjacent no more than 10ppm/ DEG C
CTE difference value between the buffer layer and the sensor layer is no more than 10ppm/ DEG C.
Optionally, the thickness of the buffer layer is 0.5mm~1mm.
Optionally, the buffer layer is transparent material.
Optionally, the base material of the sensor layer is glass or tempered glass.
Compared with prior art, the embodiment of the present invention has the advantages that：
The present invention is no more than 40ppm/ DEG C by the CTE difference value between adjacent two layers are arranged, and solves panel layer and sensing
Device layer can be susceptible to existing by the cyclic annular degumming in the center of circle of binding face center because deformation quantity is inconsistent to generate deformational stress
As the problem of.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for touch screen that the embodiment of the present invention one provides；
Fig. 2 is a kind of structural schematic diagram of touch screen provided by Embodiment 2 of the present invention.
In figure：
10, panel layer；11, the first adhesive layer；20, sensor layer；21, first sensor layer；22, second sensor layer；
23, the second adhesive layer；30, buffer layer；31, third adhesive layer；40, flexible circuit board.
Specific implementation mode
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
In the description of the present invention, it is to be understood that, the instructions such as term "upper", "lower", "top", "bottom", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
It should be noted that when a component is considered as " connection " another component, it can be directly to separately
One component may be simultaneously present the component being centrally located.When a component is considered as " setting exists " another component,
It can be set up directly on another component or may be simultaneously present the component being centrally located.
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
Referring to FIG. 1, a kind of touch screen, includes the panel layer 10 and sensor layer 20 of stacked distribution；Further, panel
Layer 10 by IML (In Molding Label, in-mode inserts injection molding) technological forming there is surface corrosion-resistant to lose, is wear-resisting, not take off
It falls, is bright in luster, the advantages that color pattern can be replaced at any time, surface decoration effect is splendid；And the material of panel layer 10 is poly- carbon
Acid esters has high intensity and coefficient of elasticity, high impact, heigh clarity and free dyeability.
Panel layer 10 is provided with the first adhesive layer 11 on one side in face of sensor layer 20, and panel layer 10 and sensor layer 20 are logical
Cross the bonding connection of the first adhesive layer 11；CTE between sensor layer 20 and adjacent panel layer 10 is close, CTE between the two
Difference is no more than 40ppm/ DEG C.
Further, the material of the first adhesive layer 11 is OCA (Optically clear adhesive, transparent optical
Glue), advantage is：High clarity, high light transmittance (full light transmittance>99%), high adhesion force, high durable, water resistance, high temperature resistant,
Uvioresistant, controlled thickness provide uniform spacing, for a long time using not will produce yellow (xanthochromia), stripping and rotten
The problem of.
Sensor layer 20 includes first sensor layer 21 and second sensor layer 22, and first sensor layer 21 and second senses
It is viscous by the second adhesive layer 23 that the second adhesive layer 23, first sensor layer 21 and second sensor layer 22 are provided between device layer 22
Close connection；Further, the material of the second adhesive layer 23 is also OCA.
Further, the base material of first sensor layer 21 and second sensor layer 22 is PET (Polyethylene
Glycol terephthalate, polyethylene terephthalate), while there is good mechanical property, impact using PET
Intensity is 3~5 times of other films, and folding resistance is good, and transparency is high, can stop that ultraviolet light, glossiness are good.
Specifically, flexible circuit board 40 is also electrically connected on sensor layer 20, by flexible circuit board 40 so that touch screen
It can be electrically connected with the controller of terminal, so that terminal establishes signal connection relation with touch screen.
Specifically, the circuit of sensor layer 20 uses the mode of silver paste cabling.
A kind of touch screen provided in this embodiment, sensor layer 20 is by using base material similar in CTE and panel layer 10
PET not only solves panel layer 10 and can be susceptible to because deformation quantity is inconsistent to generate deformational stress with sensor layer 20
The problem of using binding face center as the cyclic annular degumming phenomenon in the center of circle；The folding resistance that also increases touch screen is good, transparency, simultaneously also
It can stop ultraviolet light.
Embodiment two
Referring to FIG. 2, a kind of touch screen, includes the panel layer 10 and sensor layer 20 for including stacked distribution；Further,
Panel layer 10 by IML (In Molding Label, in-mode inserts injection molding) technological forming there is surface corrosion-resistant to lose, is wear-resisting, no
It falls off, is bright in luster, the advantages that color pattern can be replaced at any time, surface decoration effect is splendid；And the material of panel layer 10 is poly-
Carbonic ester has high intensity and coefficient of elasticity, high impact, heigh clarity and free dyeability.
Buffer layer 30 is provided between panel layer 10 and sensor layer 20, it is preferred that the thickness of buffer layer 30 be 0.5mm~
1mm, and buffer layer 30 is transparent material.
CTE value between panel layer 10 and buffer layer 30 is no more than 40ppm/ DEG C, and buffer layer 30 and sensor layer 20 it
Between CTE value be no more than 40ppm/ DEG C, i.e., the CTE value between adjacent two layers be no more than 40ppm/ DEG C；Preferably, panel layer 10 with
CTE value between buffer layer 30 is no more than 10ppm/ DEG C, and the CTE value between buffer layer 30 and sensor layer 20 is no more than 10ppm/
℃。
Panel layer 10 is provided with the first adhesive layer 11 on one side in face of buffer layer 30；Buffer layer 30 is in face of sensor layer 20
It is provided with third adhesive layer 31 on one side；Panel layer 10 and buffer layer 30 are bonded by the first adhesive layer 11 and are connected, buffer layer 30 with
Sensor layer 20 is bonded by third adhesive layer 31 and is connected.
Sensor layer 20 includes first sensor layer 21 and second sensor layer 22, and first sensor layer 21 and second senses
The second adhesive layer 23 is also equipped between device layer 22；First sensor layer 21 and second sensor layer 22 pass through the second adhesive layer 23
Bonding connection.
Specifically, the material of the first adhesive layer 11, the second adhesive layer 23 and third adhesive layer 31 is OCA (Optically
Clear adhesive, transparent optical cement), advantage is：High clarity, high light transmittance (full light transmittance>99%), high adhesive
Power, high durable, water resistance, high temperature resistant, uvioresistant, controlled thickness provide uniform spacing, and use for a long time will not produce
Raw yellow (xanthochromia), stripping and rotten problem.
Further, the base material of first sensor layer 21 and second sensor layer 22 is glass or tempered glass.
Specifically, flexible circuit board 40 is also electrically connected on sensor layer 20, by flexible circuit board 40 so that touch screen
It can be electrically connected with the controller of terminal, so that terminal establishes signal connection relation with touch screen.
A kind of touch screen provided in this embodiment, by being provided with buffer layer between panel layer 10 and sensor layer 20
30, and the CTE value between adjacent two layers is no more than 40ppm/ DEG C；So that panel layer 10 and sensor layer 20 are because of deformation quantity
It is inconsistent to generate deformational stress by buffer layer 30 into row buffering, so as to avoid using binding face center as the ring in the center of circle
The problem of shape degumming phenomenon.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (12)
1. a kind of touch screen includes the panel layer and sensor layer of stacked distribution, it is characterised in that：
The panel layer is molded by IML technology；
The panel layer is provided with the first adhesive layer, the panel layer and the sensor layer on one side in face of the sensor layer
It is bonded and is connected by first adhesive layer；
CTE difference value between the sensor layer and the adjacent panel layer is no more than 40ppm/ DEG C.
2. touch screen according to claim 1, which is characterized in that the material of the panel layer is makrolon.
3. touch screen according to claim 1, which is characterized in that the base material of the sensor layer is PET.
4. touch screen according to claim 1, which is characterized in that the sensor layer includes first sensor layer and second
Sensor layer is provided with the second adhesive layer, first sensing between the first sensor layer and the second sensor layer
Device layer and the second sensor layer are bonded by second adhesive layer to be connected.
5. touch screen according to claim 4, which is characterized in that the first sensor layer and the second sensor layer
Base material be PET.
6. touch screen according to claim 4, which is characterized in that the material of first adhesive layer and second adhesive layer
Material is OCA.
7. touch screen according to claim 1, which is characterized in that be also electrically connected with flexible circuit on the sensor layer
Plate.
8. a kind of touch screen includes the panel layer and sensor layer of stacked distribution, it is characterised in that：
The panel layer is molded by IML technology；
It is provided with buffer layer between the panel layer and sensor layer；
The panel layer is provided with the first adhesive layer on one side in face of the buffer layer, and the buffer layer faces the sensor layer
It is provided with third adhesive layer；The panel layer is bonded by first adhesive layer with the buffer layer and is connected, the buffer layer
It is bonded and is connected by the third adhesive layer with the sensor layer；
CTE difference value between the adjacent panel layer and the buffer layer is no more than 40ppm/ DEG C, the adjacent buffer layer
CTE difference value between the sensor layer is no more than 40ppm/ DEG C.
9. touch screen according to claim 8, which is characterized in that between the adjacent panel layer and the buffer layer
CTE difference value is no more than 10ppm/ DEG C, and the CTE difference value between the adjacent buffer layer and the sensor layer is no more than 10ppm/
℃。
10. touch screen according to claim 8, which is characterized in that the thickness of the buffer layer is 0.5mm~1mm.
11. touch screen according to claim 8, which is characterized in that the buffer layer is transparent material.
12. touch screen according to claim 8, which is characterized in that the base material of the sensor layer is glass or tempering glass
Glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680871.0A CN108803934A (en) | 2018-06-27 | 2018-06-27 | A kind of touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680871.0A CN108803934A (en) | 2018-06-27 | 2018-06-27 | A kind of touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108803934A true CN108803934A (en) | 2018-11-13 |
Family
ID=64071967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810680871.0A Pending CN108803934A (en) | 2018-06-27 | 2018-06-27 | A kind of touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108803934A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834882A (en) * | 2005-03-15 | 2006-09-20 | 松下电器产业株式会社 | Touch panel |
| CN104516577A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105094394A (en) * | 2014-04-29 | 2015-11-25 | 宸鸿科技(厦门)有限公司 | Touch control display panel |
| CN105645771A (en) * | 2016-02-29 | 2016-06-08 | 上海天马有机发光显示技术有限公司 | Frit composition, frit paste composition, sealing method and electric device |
| CN106201097A (en) * | 2016-07-19 | 2016-12-07 | 上海天马微电子有限公司 | Touch sensor, flexible touch display panel and electronic equipment |
| CN107306509A (en) * | 2016-02-18 | 2017-10-31 | 松下知识产权经营株式会社 | Touch panel |
-
2018
- 2018-06-27 CN CN201810680871.0A patent/CN108803934A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834882A (en) * | 2005-03-15 | 2006-09-20 | 松下电器产业株式会社 | Touch panel |
| CN104516577A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105094394A (en) * | 2014-04-29 | 2015-11-25 | 宸鸿科技(厦门)有限公司 | Touch control display panel |
| CN107306509A (en) * | 2016-02-18 | 2017-10-31 | 松下知识产权经营株式会社 | Touch panel |
| CN105645771A (en) * | 2016-02-29 | 2016-06-08 | 上海天马有机发光显示技术有限公司 | Frit composition, frit paste composition, sealing method and electric device |
| CN106201097A (en) * | 2016-07-19 | 2016-12-07 | 上海天马微电子有限公司 | Touch sensor, flexible touch display panel and electronic equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |