CN107861659A - A kind of touch module - Google Patents
A kind of touch module Download PDFInfo
- Publication number
- CN107861659A CN107861659A CN201711262629.3A CN201711262629A CN107861659A CN 107861659 A CN107861659 A CN 107861659A CN 201711262629 A CN201711262629 A CN 201711262629A CN 107861659 A CN107861659 A CN 107861659A
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- CN
- China
- Prior art keywords
- touch
- layer
- polarizer
- touch module
- control sensing
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- 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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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Abstract
The invention discloses a kind of touch module, including touch control layer and display layer, the touch control layer is by transparent sticker together in the display layer upper surface；The touch control layer includes polarizer and touch-control sensing layer, and the polarizer is plastic polarized together in the touch-control sensing layer upper surface, the polarizer by transparent sticker, and the light for the display layer to be sent is adjusted to polarization light；The touch-control sensing layer includes substrate and is covered in the conductive layer of the substrate surface, and the substrate is SRF substrates.Be arranged on the polarizer of the whole touch module the superiors is plastic polarized, while the substrate of touch-control sensing layer is SRF substrates so that glass medium is not present above display layer.Plastic film material can effectively absorb the impact above touch module, the problem of chip splashes itself will not be produced simultaneously, and when the lower section of touch module is impacted, plastic film material can effectively prevent the chip spattering problem that display layer may occur above display layer.
Description
Technical field
The present invention relates to field of human-computer interaction, more particularly to a kind of touch module.
Background technology
As science and technology is constantly progressive in recent years, the popularization degree more and more higher of touch module, the application of touch module
Also it is more and more wider.
In mobile unit field, touch module is also usually used at this stage to realize man-machine interaction.Due to mobile unit
Particularity, security requirement of the people for mobile unit are generally higher.
In the prior art, apply the touch module in mobile unit field that there is glass medium under normal circumstances, such as
The cover plate as made from glass, or touch-control sensing layer with glass substrate etc..
But in the prior art, touch experiment when the vehicle for being provided with above-mentioned touch module collides or enters wardrobe
When, the touch module is easily damaged, and now the glass medium in touch module will sputter touch module so as to department
Machine or passenger damage.
The content of the invention
It is an object of the invention to provide a kind of touch module, can effectively reduce when touch module is damaged to
Injury caused by family.
In order to solve the above technical problems, the present invention provides a kind of touch module, the touch module includes touch control layer and shown
Show layer, the touch control layer is by transparent sticker together in the display layer upper surface；
The touch control layer includes polarizer and touch-control sensing layer, and the polarizer is passed by transparent sticker together in the touch-control
Feel layer upper surface, the polarizer is plastic polarized, and the light for the display layer to be sent is adjusted to polarization light；
The touch-control sensing layer includes substrate and is covered in the conductive layer of the substrate surface, and the substrate is SRF substrates.
Optionally, the upper surface of the polarizer is to be provided with multiple grooves.
Optionally, the upper surface of the polarizer is provided with antireflective film.
Optionally, the surface of the antireflective film is coated with anti-fingerprint oil coating.
Optionally, the display layer is LCM display layers or OLED display layers.
Optionally, the touch control layer includes multiple touch-control sensing layers, and multiple touch-control sensing layers are in the polarization
Along the directional spreding perpendicular to the polarizer lower surface below piece.
A kind of touch module provided by the present invention, the polarizer for being arranged on the whole touch module the superiors is that plastics are inclined
Shake piece, while the substrate of touch-control sensing layer is SRF substrates so that glass medium is not present above display layer.Plastic film material can be with
The impact above touch module is effectively absorbed, while itself will not produce the problem of chip splashes, and works as touch-control mould
When the lower section of group is impacted, plastic film material can effectively prevent the chip splashing that display layer may occur above display layer
Problem.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of structural representation for touch module that Fig. 1 is provided by the embodiment of the present invention；
The structural representation for another touch module that Fig. 2 is provided by the embodiment of the present invention.
In figure：10. polarizer, 11, conductive layer, 12. substrates, 20. display layers, 30, transparent adhesive tape.
Embodiment
The core of the present invention is to provide a kind of touch module.In the prior art, it is situated between except display layer may use glass
Beyond matter, can also there are glass medium, such as the cover plate that glass or safety glass make in the touch control layer above display layer,
Either use the touch-control sensing layer of glass plate as substrate etc..Due to glass in the presence of glass medium, especially touch control layer
The presence of glass medium can greatly reduce security of the whole touch module as mobile unit, when being provided with above-mentioned touch module
Vehicle when colliding or entering wardrobe and touch experiment, the touch module is easily damaged, now the glass in touch module
Glass medium will sputter touch module so as to be damaged to driver or passenger.
And a kind of touch module provided by the present invention, the polarizer for being arranged on the whole touch module the superiors is plastics
Polarizer, while the substrate of touch-control sensing layer is SRF substrates so that glass medium is not present above display layer.Plastic film material can
Effectively to absorb the impact above touch module, while the problem of chip splashes itself will not be produced, and work as touch-control
When the lower section of module is impacted, the chip that plastic film material can effectively prevent display layer and may occur above display layer flies
Splash problem.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It refer to Fig. 1, a kind of structural representation for touch module that Fig. 1 is provided by the embodiment of the present invention.
Referring to Fig. 1, in embodiments of the present invention, the touch module includes touch control layer and display layer 20, the touch control layer
The upper surface of display layer 20 is fitted in by transparent adhesive tape 30.
Above-mentioned display layer 20 can be in embodiments of the present invention LCM (LCD Module, liquid crystal module) display layers or
OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display layer.Relevant specific LCM display layers
Operation principle and the operation principle of OLED display layers refer to prior art, no longer be repeated herein.Certainly, in the present invention
In embodiment, above-mentioned display layer 20 can also be specially other kinds of display layer, and the specific species about display layer 20 is at this
It is not specifically limited in inventive embodiments.
The touching that above-mentioned touch control layer is mainly used for responding user is operated to produce corresponding signal, and rear end is made way for this
Processor can the signal identification according to caused by touch control layer go out the concrete operations of user.In embodiments of the present invention, touch control layer
The upper surface of display layer 20 can be fitted in by transparent adhesive tape 30, the transparent adhesive tape 30 is preferably OCA (Optically Clear
Adhesive).Because OCA has the characteristics that water white transparency, cementing strength are good, while OCA optical transmittance is up to 90%
More than, so in embodiments of the present invention, touch control layer preferably fits in the upper surface of display layer 20 with OCA.It is of course also possible to from
Other kinds of transparent adhesive tape, the particular type about transparent adhesive tape 30 are not specifically limited in embodiments of the present invention.
In embodiments of the present invention, the touch control layer includes polarizer 10 and touch-control sensing layer, and the polarizer 10 passes through
Transparent adhesive tape 30 fits in the touch-control sensing layer upper surface, and the polarizer 10 is plastic polarized, for by the display layer
20 light sent are adjusted to polarization light.
Above-mentioned polarizer 10 is plastic polarized rather than glass polarizer, i.e. the material of polaroid 10 is plastic material, from
And realize in the touch control layer that the embodiment of the present invention is provided and do not contain glass medium.Described plastic polarized also referred to as resin polarizes
Piece.In embodiments of the present invention, polarizer 10 is located at the superiors of whole touch module, it usually needs is touched from top protection is whole
Module is controlled, functions similarly to the effect of cover plate, so the thickness of polarizer 10 is generally thicker in embodiments of the present invention, is needed simultaneously
There is good insulating properties.
In embodiments of the present invention, display layer 20 can be sent by being arranged on the polarizer 10 of the whole touch module the superiors
Light be adjusted to polarization light.And based on the operation principle of existing LCM display layers, needed in the upper surface of LCM display layers
Polarizer is provided with, picture is implemented as with rotation by liquid crystal molecule；Same the characteristics of being based on OLED display layers, it is necessary to
The upper surface of OLED display layers sets polarizer to eliminate reflection of the OLED display layers to ambient.If above-mentioned display layer 20 is
LCM display layers, then be no longer needed for setting polarizer between touch control layer and LCM display layers, while be arranged on touch-control sensing
The polarizer 10 of layer top allows to be engaged with LCM display layers by the direction needs of light；If above-mentioned display layer 20 is OLED
Display layer, then equally no longer need to set polarizer between touch control layer and OLED display layers, while be arranged on touch-control sensing
The polarizer 10 of layer top is needed for circular polarizing disk.The circular polarizing disk is typically by one layer of polarizer and one layer of quarter wave plate structure
Into in use, the quarter wave plate in circular polarizing disk needs to be located at inner side, and the polarizer in circular polarizing disk needs to be located at
Outside, i.e. ambient, which need to initially pass through polarizer, is then passed through quarter wave plate, to play the effect for preventing oled layer reflective.
In embodiments of the present invention, further the upper surface of polarizer 10 can be handled to realize corresponding effect
Fruit, detailed content will be described in detail in following inventive embodiments, no longer be repeated herein.Above-mentioned polarizer 10 can be
TAC (Triafol T) film polarizer, that is, pass through polarizer made of TAC film；Above-mentioned polarizer 10 can also be COP
(cyclic polyolefin) film polarizer, that is, pass through polarizer made of COP films.Certainly, above-mentioned polarizer 10 can also be it
The polarizer of his species, such as PC (makrolon) polarizer etc., the specific species about polarizer 10 are implemented in the present invention
In example and it is not specifically limited, as long as the polarizer 10 of plastic material.
Above-mentioned touch-control sensing layer is the core texture of whole touch control layer, and touch-control sensing layer is mainly used in responding the touching of user
Operate to produce corresponding signal, signal caused by touch-control sensing layer is typically electric signal.It is above-mentioned to be located at whole touch module most
The polarizer 10 on upper strata is typically also the upper surface that the touch-control sensing layer is fitted in by transparent adhesive tape 30.Touch-control sensing layer is with being somebody's turn to do
Transparent adhesive tape 30 between polarizer 10 is preferably OCA.
In embodiments of the present invention, the touch-control sensing layer includes substrate 12 and is covered in the conduction on the surface of substrate 12
Layer 11, the substrate 12 is SRF substrates.
Above-mentioned touch-control sensing layer includes substrate 12 and is covered in the conductive layer 11 on the surface of substrate 12.Normal conditions lower conductiving layer
11 are connected with electrode, and the electrode is used to form electric field on conductive layer 11.Under normal circumstances touch module be divided into capacitance plate with
Touch screens, and the difference between capacitance plate and touch screens focuses primarily upon touch-control sensing layer.In the touch-control sensing layer of touch screens
Conductive layer 11 is typically double-layer structure, i.e., the conductive layer 11 in the touch-control sensing layer of touch screens divides leads for the first conductive layer and second
Electric layer, it is hollow structure between the first conductive layer and the second conductive layer, user is by applying the conductive layer of pressure first and
Two conductive layers are in contact, to produce electric signal, so as to allow the processor of rear end to identify the concrete operations of user；And capacitance plate
It is divided into projecting type capacitor screen and surface-type capacitance plate, but the conductive layer 11 of capacitance plate generally only has one layer, the conduction of capacitance plate
There is stable electric field on layer 11.User forms electric capacity by touching above-mentioned polarizer 10 with conductive layer 11, so as to siphon away one
Small electric current, and then the electrode that conductive layer 11 connects can supplemental current.The processor of rear end can by measuring the electric current of supplement
To identify the concrete operations of user.And the conductive layer 11 of projecting type capacitor screen is typically divided into the conduction region of multiple electric capacity each other
Domain.Specific operation principle is no longer described in detail in embodiments of the present invention.In embodiments of the present invention, sensed for touch-control
The particular type of layer is simultaneously not specifically limited.
Above-mentioned conductive layer 11 can be specially ITO (tin indium oxide) conductive layer, that is, pass through the conductive layer made of ito thin film
11；Above-mentioned conductive layer 11 can also be specially nano-silver conductive layer, i.e. AgNW conductive layers；Above-mentioned conductive layer 11 can be with wire netting
Lattice conductive layer etc., the species about conductive layer 11 are not specifically limited in embodiments of the present invention.
The method that above-mentioned conductive layer 11 is covered in the upper surface of substrate 12 has many kinds, such as chemical deposition, magnetic control sputtering plating, silk
Wire mark brush etc., above-mentioned metal grill conductive layer are typically exactly by the method silk-screen of silk-screen printing surface on the substrate 12.When
So, in embodiments of the present invention, it is arranged on the concrete mode of the upper surface of substrate 12 in embodiments of the present invention for conductive layer 11
And it is not specifically limited.
In embodiments of the present invention, the substrate 12 in above-mentioned touch-control sensing layer is specially SRF (super retarder
Film, onlap flexion polyester film) substrate, i.e., the material used in substrate 12 in above-mentioned touch-control sensing layer is SRF.Onlap flexion
Mylar is the material of a excellent performance, and SRF is unidirectional typically by being carried out to PET (polyethylene terephthalate)
The membrane material obtained is stretched, SRF is the special membrane material that a kind of retardation is more than 7000nm.The one kind of SRF as plastics, itself has
Good shock resistance, while SRF optical property is very good, is suitably applied in touch module.SRF also has simultaneously
The features such as wet coefficient is small, warp resistance, it can greatly improve the reliability of touch module.
A kind of touch module that the embodiment of the present invention is provided, being arranged on the polarizer 10 of the whole touch module the superiors is
Plastic polarized, while the substrate 12 of touch-control sensing layer is SRF substrates so that glass medium is not present in the top of display layer 20.Modeling
Material membrane material can effectively absorb the impact above touch module, while itself will not produce the problem of chip splashes, and
And when the lower section of touch module is impacted, plastic film material can effectively prevent display layer 20 may above display layer 20
The chip spattering problem of generation.Touch module provided by the present invention material used above display layer is low latency simultaneously
Amount or high latency amount plastic film material, through polaroid observation be not in rainbow lines, meet car-mounted display product it is anti-too
The requirement of positive glasses.
In order to realize multi-point touch, in touch module provided by the present invention, touching for multilayer can be further provided with
Sensing layer is controlled, while performance processing can be carried out in the upper surface of above-mentioned polarizer 10.It is real that detailed content refer to following inventions
Apply example.
It refer to Fig. 2, the structural representation for another touch module that Fig. 2 is provided by the embodiment of the present invention.
Foregoing invention embodiment is different from, the embodiment of the present invention is on the basis of foregoing invention embodiment, further
Multiple touch-control sensing layers are provided with, to realize multi-point touch.And the upper surface of polarizer 10 can be surface-treated, with
Improve the performance of whole touch module.Remaining content is described in detail in foregoing invention embodiment, no longer enters herein
Row repeats.
Referring to Fig. 2, in embodiments of the present invention, the touch control layer includes multiple touch-control sensing layers, multiple described tactile
Sensing layer is controlled below the polarizer 10 along the directional spreding perpendicular to the lower surface of polarizer 10.
Under normal circumstances, it is provided with two layers of touch-control sensing layer can and realizes multi-point touch, naturally it is also possible to sets more
Touch-control sensing layer, the number of plies for touch-control sensing layer and it is not specifically limited in embodiments of the present invention.
For each layer of touch-control sensing layer in multiple touch-control sensing layers, conductive layer 11 is all covered in substrate 12
Conductive layer 11 in upper surface, i.e. each layer of touch-control sensing layer is all towards above-mentioned polarizer 10.In embodiments of the present invention, it is multiple
The touch-control sensing layer is below the polarizer 10 along the directional spreding perpendicular to the lower surface of polarizer 10.It is and adjacent
Between two layers of touch-control sensing layer, generally also it is bonded to each other by transparent adhesive tape 30.Between two layers i.e. adjacent of touch-control sensing layer, position
The conductive layer that substrate 12 in the touch-control sensing layer on upper strata is fitted in the touch-control sensing layer of lower floor by transparent adhesive tape 30
11.The transparent adhesive tape 30 is preferably again OCA.Under normal circumstances, in embodiments of the present invention, every layer of company of being required for of conductive layer 11
It is connected to electrode.
Further, in embodiments of the present invention, the upper of the polarizer 10 of the whole touch module the superiors can be pointed to
Surface carries out a variety of surface treatments.Specifically, the first surface treatment is that the upper surface of polarizer 10 is provided with multiple grooves.
Certainly, in embodiments of the present invention, the groove carries out fine irregularities processing institute typically by the upper surface to polarizer 10
The groove of formation, the groove is generally very tiny, comes if user is with the naked eye usually unable to observe, but by trickle recessed
Convex processing can cause the upper surface of polarizer 10 to be changed into rough surface in the groove that the upper surface of polarizer 10 is formed.Work as the external world
When light is irradiated to the upper surface of the polarizer 10 with rough surface, scattering can occur for ambient so as to avoid dazzle situation
Generation.
Second of surface treatment is that the upper surface of polarizer 10 is provided with antireflective film.Antireflective film is also referred to as antireflective coating,
Also known as anti-reflection film.The generation for even eliminating reflected light can effectively be reduced by being provided with the surface of the polarizer 10 of antireflective film, together
When can improve the physical property of polarizer 10, such as mechanical property etc..Further, the third surface treatment is in antireflective film
Surface be coated with anti-fingerprint oil coating.Anti-fingerprint oil is also referred to as anti-fingerprint oil, anti-fingerprint paint, has anti-fingerprint, oil rub resistance
Effect.Specific anti-fingerprint oil coating can be divided into lipophilic, refuse oil type, and the relevant specific type of anti-fingerprint oil coating is in this hair
It is not specifically limited in bright embodiment.
Certainly, above-mentioned anti-fingerprint oil coating can be arranged directly on the upper surface of above-mentioned polarizer 10 and not have to be arranged on
State the upper surface of antireflective film.The specific method of three kinds of surface treatments is above described, in embodiments of the present invention, can be only right
The upper surface of polarizer 10 carries out a kind of surface treatment；Can also optional two kinds of surface treatments modes to the upper table of polarizer 10
Face is handled；Three kinds of surface treatments can also be carried out to the upper surface of polarizer 10 simultaneously, can also even carry out other
The surface treatment of species.Particular content about being surface-treated to polarizer 10 is not specifically limited in embodiments of the present invention.
A kind of touch module that the embodiment of the present invention is provided, touched by setting multilayer touch-control sensing layer to be easy to implement multiple spot
Control, while the upper surface of polarizer 10 is surface-treated, further increase the performance of whole touch module.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
A kind of touch module provided by the present invention is described in detail above.Specific case pair used herein
The principle and embodiment of the present invention is set forth, and the explanation of above example is only intended to help the method for understanding the present invention
And its core concept.It should be pointed out that for those skilled in the art, before the principle of the invention is not departed from
Put, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the guarantor of the claims in the present invention
In the range of shield.
Claims (6)
1. a kind of touch module, it is characterised in that the touch module includes touch control layer and display layer, and the touch control layer passes through saturating
Gelatin fits in the display layer upper surface；
The touch control layer includes polarizer and touch-control sensing layer, and the polarizer is by transparent sticker together in the touch-control sensing layer
Upper surface, the polarizer are plastic polarized, and the light for the display layer to be sent is adjusted to polarization light；
The touch-control sensing layer includes substrate and is covered in the conductive layer of the substrate surface, and the substrate is SRF substrates.
2. touch module according to claim 1, it is characterised in that the upper surface of the polarizer is multiple recessed to be provided with
Groove.
3. touch module according to claim 2, it is characterised in that the upper surface of the polarizer is provided with antireflective film.
4. touch module according to claim 3, it is characterised in that the surface of the antireflective film is coated with anti-fingerprint oil and applied
Layer.
5. touch module according to claim 1, it is characterised in that the display layer is that LCM display layers or OLED are shown
Layer.
6. according to the touch module described in any one of claim 1 to 5 claim, it is characterised in that the touch control layer includes
Multiple touch-control sensing layers, multiple touch-control sensing layers are below the polarizer along perpendicular to the polarizer lower surface
Directional spreding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262629.3A CN107861659A (en) | 2017-12-04 | 2017-12-04 | A kind of touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262629.3A CN107861659A (en) | 2017-12-04 | 2017-12-04 | A kind of touch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107861659A true CN107861659A (en) | 2018-03-30 |
Family
ID=61704529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711262629.3A Pending CN107861659A (en) | 2017-12-04 | 2017-12-04 | A kind of touch module |
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| Country | Link |
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| CN (1) | CN107861659A (en) |
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| CN108845698A (en) * | 2018-06-22 | 2018-11-20 | 京东方科技集团股份有限公司 | Touch-control structure, touch control method and touch device |
| CN109343255A (en) * | 2018-11-09 | 2019-02-15 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal touch control screen and its manufacturing method |
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| US11941209B2 (en) | 2020-06-24 | 2024-03-26 | Boe Technology Group Co., Ltd. | Touch module, preparation method therefor, and display device |
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