CN208141359U - A kind of touch-control sensor and a kind of touch-control display panel - Google Patents
A kind of touch-control sensor and a kind of touch-control display panel Download PDFInfo
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- CN208141359U CN208141359U CN201820839652.8U CN201820839652U CN208141359U CN 208141359 U CN208141359 U CN 208141359U CN 201820839652 U CN201820839652 U CN 201820839652U CN 208141359 U CN208141359 U CN 208141359U
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Abstract
The utility model discloses a kind of touch-control sensors, including substrate, conductive film layer, absorbed layer and cover board.Wherein the non-visible area domain of lid surface on the outermost side is provided with ink layer, and one side surface of cover board is provided with absorbed layer in conductive film layer, the reflectivity for absorbing layer surface is less than the reflectivity on conductive film layer surface, and absorbed layer covers visible area of the conductive film layer towards one side surface of cover board.Under normal conditions, the brightness value of conductive film layer will be much higher than the brightness value of ink layer, and after being provided with above-mentioned absorbed layer, after ambient is irradiated to absorbed layer through cover board, it only has a small amount of light and reflects cover board, to reduce the brightness value of visible area, so that the brightness value of visible area will be more nearly the brightness value in non-visible area domain, i.e. luminance difference between diminution visible area and non-visible area domain.The utility model embodiment additionally provides a kind of touch-control display panel, equally has above-mentioned beneficial effect.
Description
Technical field
The utility model relates to technical field of touch control, more particularly to a kind of touch-control sensor and a kind of touch-control display surface
Plate.
Background technique
As the continuous progress of science and technology in recent years and touch-control show the development of product industry, touch-control sensor either from
Size or performance etc. all achieve great progress.Correspondingly, details of the user for touch-control product, appearance etc. have
Higher requirement.
At this stage, even if boundary of the touch-control sensor between off working state, visible area and non-visible area domain
Also relatively obvious, so that touch-control sensor does not have a body-sensing, to influence the experience of user.
In the prior art, the luminance difference between the visible area on touch-control sensor surface and non-visible area domain is larger,
So that touch-control sensor does not have a body-sensing, the experience of user is influenced.
So how to make touch-control sensor have a body-sensing is those skilled in the art's urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of touch-control sensors, can reduce between visible area and non-visible area domain
Luminance difference；The another object of the utility model is to provide a kind of touch-control display panel, can effectively reduce visible area
With the luminance difference between non-visible area domain.
In order to solve the above technical problems, the utility model provides a kind of touch-control sensor, the touch-control sensor includes base
Plate, conductive film layer, absorbed layer and cover board；
The substrate and the cover board are oppositely arranged；Wherein, ink is provided in the non-visible area domain of the lid surface
Layer；
The conductive film layer is located at the substrate towards one side surface of cover board；
The absorbed layer is located at the conductive film layer towards one side surface of cover board；Wherein, described to absorb layer surface
Reflectivity is less than the reflectivity on the conductive film layer surface, and the absorbed layer covers the conductive film layer towards the cover board side
The visible area on surface.
Optionally, the conductive film layer is ito film layer.
Optionally, first is provided between the ito film layer and the substrate to disappear shadow layer.
Optionally, the absorbed layer is second to disappear shadow layer.
Optionally, the cover board is rough surface backwards to one side surface of substrate.
Optionally, the cover board is provided with anti-fingerprint oil coating backwards to one side surface of substrate.
The utility model additionally provides a kind of touch-control display panel, including display screen and touch-control as described in any one of the above embodiments
Inductor.
A kind of touch-control sensor provided by the utility model, including substrate, conductive film layer, absorbed layer and cover board.Wherein
The non-visible area domain of lid surface on the outermost side is provided with ink layer, and is arranged in conductive film layer towards one side surface of cover board
There is absorbed layer, the reflectivity for absorbing layer surface is less than the reflectivity on conductive film layer surface, and absorbed layer covers conductive film layer towards lid
The visible area of one side surface of plate.Under normal conditions, the brightness value of conductive film layer will be much higher than the brightness value of ink layer, and be arranged
After above-mentioned absorbed layer, after ambient is irradiated to absorbed layer through cover board, only has a small amount of light and reflect cover board, thus
The brightness value of visible area is reduced, so that the brightness value of visible area will be more nearly the brightness value in non-visible area domain,
Reduce the luminance difference between visible area and non-visible area domain.
The utility model embodiment additionally provides a kind of touch-control display panel, equally has above-mentioned beneficial effect, herein not
It is repeated again.
Detailed description of the invention
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of touch-control sensor provided by the utility model embodiment；
Fig. 2 is a kind of structural schematic diagram of specific touch sensing provided by the utility model embodiment.
In figure：1. substrate, 2. cover boards, 3. conductive film layers, 4. absorbed layers, 5. non-visible area domains, 6. visible areas, 7. first
Disappear shadow layer, 21. ink layers.
Specific embodiment
The core of the utility model is to provide a kind of touch-control sensor.In the prior art, touch-control sensor surface is divided into
Visible area and non-visible area domain are provided with ink in the non-visible area domain of tangible lid surface, so that non-visible area domain
Brightness value is lower.And under normal conditions, the conductive film layer surface light reflectivity with higher in visible area works as ambient
When being irradiated to conductive film layer through cover board, a large amount of light can be equally reflected, so that the brightness value of conductive film layer is higher, thus
So that the luminance difference between the visible area and non-visible area domain on touch-control sensor surface is larger, so that touch-control sensor
Without a body-sensing, the experience of user is influenced.
And a kind of touch-control sensor provided by the utility model, including substrate, conductive film layer, absorbed layer and cover board.Its
In the non-visible area domain of lid surface on the outermost side be provided with ink layer, and set in conductive film layer towards one side surface of cover board
It is equipped with absorbed layer, the reflectivity for absorbing layer surface is less than the reflectivity on conductive film layer surface, and absorbed layer covers conductive film layer direction
The visible area of one side surface of cover board.Under normal conditions, the brightness value of conductive film layer will be much higher than the brightness value of ink layer, and set
After having set above-mentioned absorbed layer, after ambient is irradiated to absorbed layer through cover board, only has a small amount of light and reflect cover board, from
And the brightness value of visible area is reduced, so that the brightness value of visible area will be more nearly the brightness in non-visible area domain
Value, i.e. luminance difference between diminution visible area and non-visible area domain.
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model a part
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of touch-control sensor provided by the utility model embodiment.
Referring to Fig. 1, in the utility model embodiment, the touch-control sensor includes substrate 1, conductive film layer 3, absorbed layer
4 and cover board 2；The substrate 1 and the cover board 2 are oppositely arranged；Wherein, it is provided in the non-visible area domain 5 on 2 surface of cover board
Ink layer 21；The conductive film layer 3 is located at the substrate 1 towards 2 one side surface of cover board；The absorbed layer 4 is located at described
Conductive film layer 3 is towards 2 one side surface of cover board；Wherein, the reflectivity on 4 surface of absorbed layer is less than the conductive film layer 3
The reflectivity on surface, the absorbed layer 4 cover the conductive film layer 3 towards the visible area 6 of 2 one side surface of cover board.
In the utility model embodiment, the substrate 1 and the cover board 2 are oppositely arranged, i.e., substrate 1 and cover board 2 are usual
Positioned at the two sides up and down of touch sensing.The generally transparent substrate of the substrate 1.Since at this stage, touch-control sensor is usual
It needs to be used cooperatively with display panel, so the generally transparent substrate of aforesaid substrate 1, so that light that display panel is issued is saturating
Cross touch-control sensor provided by the utility model embodiment.Specifically, the specific material of the substrate 1 can for PC, PET,
COP, PEN, COC etc., certain substrate 1 can also select the substrate 1 of other materials, and the specific material in relation to substrate 1 is at this
In utility model embodiment and it is not specifically limited.
Correspondingly, in the utility model embodiment, the same generally transparent cover board 2 of the cover board 2.Under normal conditions,
Cover board 2 needs to be arranged in the outermost of touch-control sensor, to protect entire touch-control sensor, so that touch-control sensor is not easily susceptible to
Damage.Certainly, it since touch-control sensor under normal conditions needs to be used cooperatively with display panel, needs to penetrate cover board 2 and shows
Image, so that cover board needs to have good translucency.Under normal conditions, above-mentioned cover board 2 is glass cover-plate, and glass cover-plate can be with
While with good light permeability, the entire touch sensing of effective protection.Preferably, above-mentioned cover board 2 can be tempering
Glass cover-plate.So-called tempered glass cover plate has the glass cover-plate of compression in surface programming.Compared to common cover board 2, steel
Changing glass cover-plate has higher structural strength, can bear more ambient pressures, so that entire touch-control preferably be protected to pass
Sensor is not easily susceptible to damage.Under normal conditions, cover board 2 can be fitted in the surface of touch sensing, i.e., above-mentioned lid by optical cement
Plate 2 can be fixedly connected with above-mentioned absorbed layer 4 backwards to 1 one side surface of substrate by optical adhesive layer.Above-mentioned optical adhesive layer, Ke Yiwei
OCA (solid state optics glue) or OCR (liquid optical cement) etc., the concrete component in relation to optical cement in the utility model embodiment simultaneously
It is not specifically limited.
The touch-control sensor as provided by the utility model embodiment is often used cooperatively with display panel, so at this
In utility model embodiment, touch-control sensor is generally divided into visible area 6 and non-visible area domain 5.The wherein usual position in visible area 6
In the center of touch-control sensor, rather than visible area 5 is usually located at the edge of touch-control sensor.Above-mentioned visible area 6 is for saturating
The light that display panel is issued is crossed to show image, rather than visible area 5 is commonly used in setting lead, FPC (flexible electrical
Road plate) etc. structures.In the utility model embodiment, in order to guarantee can not to see in above-mentioned non-visible area domain 5 from 2 direction of cover board
Structure, it usually needs ink layer 21 is provided in non-visible area domain 5 of the cover board 2 towards 1 one side surface of substrate, to block
Firmly non-visible area domain 5.Under normal conditions, the brightness value of ink layer 21 is very low, i.e. L value is very low, and brightness value is usually 25
Left and right.
In the utility model embodiment, the conductive film layer 3 is located at the substrate 1 towards 2 one side surface of cover board.
At this stage, conductive film layer 3 would generally be electrically connected with external power supply, and external power supply can be in conductive film layer 3
Upper formation electric current.In working condition, when user touches or when close to touch sensing surface, 3 meeting of conductive film layer and user
The position of touching forms capacitor, to siphon away a Weak current on conductive film layer 3.External power supply can the benefit of conductive film layer 3 at this time
Fill an electric current.User can be touched by the analysis to the electric current or close region positions.Related touch sensing
Specific working principle is referred to the prior art, is not being repeated in the utility model embodiment.
Certainly, at this stage, two layers of conductive film layer 3 is usually provided in touch sensing.Two conductive film layers 3
Substrate 1 can be separately positioned on towards 2 one side surface of cover board and substrate 1 backwards to 2 one side surface of cover board；It is also possible in substrate
1 is arranged the second substrate backwards to cover board side, and a conductive film layer 3 is arranged on the second substrate surface.Detailed content is referred to existing
There is technology, in the utility model embodiment and is not specifically limited.
It should be noted that no matter being provided with several layers of conductive film layers 3, above-mentioned conductive film layer in the utility model embodiment
3 are required to the visible area 6 on covering 1 surface of substrate.
In the utility model embodiment, the absorbed layer 4 is located at the conductive film layer 3 towards the 2 side table of cover board
Face；Wherein, the reflectivity on 4 surface of absorbed layer is less than the reflectivity on 3 surface of conductive film layer, and the absorbed layer 4 covers
Visible area 6 of the conductive film layer 3 towards 2 one side surface of cover board.
Above-mentioned absorbed layer 4 is between conductive film layer 3 and cover board 2, and the reflectivity on 4 surface of absorbed layer is less than conductive film layer
The reflectivity on 3 surfaces.I.e. compared with conductive film layer 3, less ambient can be reflected touch-control sensor by absorbed layer 4.
Certainly, above-mentioned absorbed layer 4 also needs covering visible area 6 of the conductive film layer 3 towards 2 one side surface of cover board.Since this is practical
Touch-control sensor provided by new embodiment would generally be used cooperatively with display panel, corresponding absorbed layer 4 need to have compared with
High light transmission rate.Under normal conditions, extraneous light can inject touch-control sensor from 2 side of cover board, and absorbed layer 4 also can be saturating
A part of light is crossed to 3 surface of conductive film layer.But 3 pairs of conductive film layer projection light carry out reflection belong to secondary reflection.
Since absorbed layer 4 can also absorb a large amount of light while transmitted light, so that for the light total amount of secondary reflection very
It is few, usually it can be ignored.And in the utility model embodiment, compared to being not provided with for the sensor of absorbed layer 4, lead to
It crosses and one layer of absorbed layer 4 is set between conductive film layer 3 and cover board 2 that visible area 6 can be effectively reduced in touch sensing is external
The reflection of boundary's light.
Above-mentioned absorbed layer 4 can play the role of certain anti-reflection film other than above-mentioned effect.By above-mentioned absorbed layer 4
Thickness control in a certain range, can make coherent subtraction between the light of the preset wavelength of 4 upper and lower surface of absorbed layer reflection,
So that the light of the wavelength can be more as far as possible penetrate absorbed layer 4, to reduce reflection of the absorbed layer 4 to ambient.
Certainly, it for the specific thickness of absorbed layer 4 and is not specifically limited in the utility model embodiment.
It should be noted that the brightness value that conductive film layer 3 shows under normal conditions is higher.By taking common ito film layer as an example,
Its brightness value is usually 30 or more, and the brightness value of ink layer 21 is usually 25 or so.Since the utility model embodiment is mentioned
The touch-control sensor of confession would generally be used cooperatively with display panel, and corresponding absorbed layer 4 needs light transmission rate with higher.Phase
Answer be provided with absorbed layer 4 after will not make visible area 6 in touch-control sensor brightness value generate decline to a great extent so that can
The brightness value of viewed area 6 is far below the brightness value of ink layer 21, can only usually make the brightness value more adjunction of visible area 6
The brightness value of nearly ink layer 21.
Further, in the utility model embodiment, the cover board 2 for being located at entire touch sensing top layer can be carried on the back
A variety of surface treatments are carried out to 1 one side surface of substrate.Specifically, the first surface treatment is by cover board 2 backwards to the base
1 one side surface of plate is fabricated to rough surface, i.e., 1 one side surface of substrate is provided with multiple grooves in cover board 2.Certainly,
In the utility model embodiment, the groove is usually subtle recessed by carrying out to cover board 2 backwards to 1 one side surface of substrate
Convex processing is formed by groove, and the groove is usually very tiny, comes if user is with the naked eye usually unable to observe, but logical
Crossing fine irregularities processing and being formed by groove can make cover board 2 become rough surface backwards to 1 one side surface of substrate.When outer
When boundary's light is irradiated to the cover board 2 with rough surface backwards to 1 one side surface of substrate, ambient can occur scattering to
Avoid the occurrence of dazzle.
Second of surface treatment is to be coated with anti-fingerprint oil coating backwards to 1 one side surface of substrate in cover board 2.Anti-fingerprint
Oil is also referred to as anti-fingerprint oil, anti-fingerprint paint, has anti-fingerprint, the effect of oil rub resistance.Specific anti-fingerprint oil coating can be divided into
Lipophilic refuses oil type, and the related specific type of anti-fingerprint oil coating is not specifically limited in the utility model embodiment.
In the utility model embodiment, any one only can be carried out backwards to 1 one side surface of substrate to cover board 2
Surface treatment；Two kinds of surface treatments can also be carried out backwards to 1 one side surface of substrate to cover board 2 simultaneously, it even can be with
Carry out other kinds of surface treatment.Particular content in relation to being surface-treated to cover board 2 is not done in the utility model embodiment
It is specific to limit.
A kind of touch-control sensor provided by the utility model embodiment, including substrate 1, conductive film layer 3,4 and of absorbed layer
Cover board 2.Wherein the non-visible area domain 5 on 2 surface of cover board on the outermost side is provided with ink layer 21, and in 3 direction of conductive film layer
2 one side surface of cover board is provided with absorbed layer 4, and the reflectivity on 4 surface of absorbed layer is less than the reflectivity on 3 surface of conductive film layer, absorbs
Layer 4 covers visible area 6 of the conductive film layer 3 towards 2 one side surface of cover board.Under normal conditions, the brightness value of conductive film layer 3 is remote
Higher than the brightness value of ink layer 21, and after being provided with above-mentioned absorbed layer 4, when ambient is irradiated to absorbed layer 4 through cover board 2
Afterwards, it only has a small amount of light and reflects cover board 2, so that the brightness value of visible area 6 is reduced, so that visible area 6
Brightness value will be more nearly the brightness value in non-visible area domain 5, i.e. luminance difference between diminution visible area 6 and non-visible area domain 5
Value.
Specific structure in relation to touch sensing provided by the utility model will be made in following utility model embodiments
It is discussed in detail.
Referring to FIG. 2, Fig. 2 is a kind of structural representation of specific touch sensing provided by the utility model embodiment
Figure.
It is different from above-mentioned utility model embodiment, the utility model embodiment is on the basis of above-mentioned utility model embodiment
On, the specific structure of touch sensing is discussed in detail, especially highlights absorbed layer 4 in touch sensing and its associated components
Specific structure.Remaining content is described in detail in above-mentioned utility model embodiment, is no longer repeated herein.
Referring to fig. 2, in the utility model embodiment, the conductive film layer 3 is ito film layer.Ito film layer, that is, tin indium oxide
Film layer, tin indium oxide have good electric conductivity and the transparency, are commonly used for making touch sensing etc..Ito film layer is existing
Stage has complete, mature preparation process, has very high yields.
Further, in the utility model embodiment, first is provided between the ito film layer and the substrate 1 and is disappeared
Shadow layer 7.Described first disappear shadow layer 7 be IM (index margin) film layer, the structure of IM film layer is usually NB2O5/SiO2, i.e.,
NB2O5With SiO2It alternates setting and is formed by IM film layer.Specific structure in relation to IM film layer is referred to the prior art,
This is no longer repeated.
At this stage, ito film layer surface would generally be etched with electrode, but etch front and back meeting so that ito film layer surface
Reflectivity has biggish deviation, so that ito film layer surface is easy to appear the pattern formed because etching electrode.And in substrate 1
The first shadow layer 7 that disappears of setting can make ito film layer be substantially the same before and after etching to the reflectivity of light between ito film layer, from
And the contrast between etch areas and non-etch areas is reduced, so that the pattern formed because etching ito film layer is not easy to be noticeable,
To realize the effect for the shadow that disappears.
Further, in the utility model embodiment, the absorbed layer 4 is second to disappear shadow layer.
The above-mentioned second shadow layer that disappears is similarly IM layers.Due in the utility model embodiment, second disappears shadow layer equally can be with
Play the role of above-mentioned absorbed layer 4, and prepare above-mentioned first disappear shadow layer 7 and second disappear shadow layer when, do not need to introduce other
Material can carry out plated film in same equipment and reduce the production cost to simplify preparation flow.Related absorbed layer 4
Remaining content describes in detail in above-mentioned utility model embodiment, is no longer repeated herein.
In the utility model embodiment, above-mentioned first design parameter that shadow layer 7 disappears shadow layer with second that disappears is not done
It is specific to limit, it is depending on the circumstances.In the utility model embodiment, disappeared shadow layer 7 and by specifically changing above-mentioned first
The two specific thickness for disappearing shadow layer, can make the brightness value phase of the brightness value with ink layer 21 of visible area 6 in touch-control sensor
It is close even identical, to realize the effect of a body-sensing.
A kind of touch-control sensor provided by the utility model embodiment is provided with first between ito film layer and substrate 1
Disappear shadow layer 7, and the pattern formed because etching ito film layer can be made to be not easy to be noticeable, and realizes the effect for the shadow that disappears；It will absorb simultaneously
Layer 4, which is specifically configured to the second shadow layer that disappears, can be effectively simplified preparation flow, reduce the production cost.
The utility model additionally provides a kind of touch-control display panel, including as any of the above-described utility model embodiment provides
Touch-control sensor and display screen.Remaining part please refers to the prior art, is no longer repeated herein.
The touch-control sensor as provided by above-mentioned utility model embodiment can effectively reduce visible area 6 and non-visual
Luminance difference between region 5, touch-control display panel provided by corresponding the utility model embodiment can effectively reduce can
Luminance difference between viewed area 6 and non-visible area domain 5, so that touch-control display panel has a body-sensing.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Detailed Jie has been carried out to a kind of touch-control sensor provided by the utility model and a kind of touch-control display panel above
It continues.Specific case used herein is expounded the principles of the present invention and embodiment, and above embodiments are said
The bright method and its core concept for being merely used to help understand the utility model.It should be pointed out that for the common of the art
For technical staff, without departing from the principle of this utility model, can also to the utility model carry out it is several improvement and
Modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (7)
1. a kind of touch-control sensor, which is characterized in that the touch-control sensor includes substrate, conductive film layer, absorbed layer and cover board；
The substrate and the cover board are oppositely arranged；Wherein, ink layer is provided in the non-visible area domain of the lid surface；
The conductive film layer is located at the substrate towards one side surface of cover board；
The absorbed layer is located at the conductive film layer towards one side surface of cover board；Wherein, the reflection for absorbing layer surface
Rate is less than the reflectivity on the conductive film layer surface, and the absorbed layer covers the conductive film layer towards one side surface of cover board
Visible area.
2. touch-control sensor according to claim 1, which is characterized in that the conductive film layer is ito film layer.
3. touch-control sensor according to claim 2, which is characterized in that be arranged between the ito film layer and the substrate
There is first to disappear shadow layer.
4. touch-control sensor according to claim 3, which is characterized in that the absorbed layer is second to disappear shadow layer.
5. touch-control sensor according to claim 1, which is characterized in that the cover board is backwards to one side surface of substrate
Rough surface.
6. touch-control sensor according to claim 1, which is characterized in that the cover board is set backwards to one side surface of substrate
It is equipped with anti-fingerprint oil coating.
7. a kind of touch-control display panel, which is characterized in that including display screen and such as any one of claim 1 to 6 claim institute
The touch-control sensor stated.
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| CN201820839652.8U CN208141359U (en) | 2018-05-31 | 2018-05-31 | A kind of touch-control sensor and a kind of touch-control display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110851013A (en) * | 2019-10-24 | 2020-02-28 | 信利（惠州）智能显示有限公司 | Touch sensor, touch display module and display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110851013A (en) * | 2019-10-24 | 2020-02-28 | 信利（惠州）智能显示有限公司 | Touch sensor, touch display module and display screen |
| CN110851013B (en) * | 2019-10-24 | 2024-03-29 | 信利（惠州）智能显示有限公司 | Touch sensor, touch display module and display screen |
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