CN107102771A - A kind of touch-control display panel, display device and the method for making touch-control display panel - Google Patents
A kind of touch-control display panel, display device and the method for making touch-control display panel Download PDFInfo
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- CN107102771A CN107102771A CN201710270266.1A CN201710270266A CN107102771A CN 107102771 A CN107102771 A CN 107102771A CN 201710270266 A CN201710270266 A CN 201710270266A CN 107102771 A CN107102771 A CN 107102771A
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- display panel
- touch
- top surface
- adhesion zone
- cover plate
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- General Engineering & Computer Science (AREA)
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
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Abstract
This application discloses a kind of touch-control display panel, display device and the method for making touch-control display panel.The touch-control display panel that the application is provided includes：Display panel；Cover plate, cover plate includes providing the top surface of touch-control and the bottom surface relative with top surface, and top surface includes plane domain, and around the arc area of plane domain；Bottom surface includes adhesion zone and the non-adhesion zone around adhesion zone, and display panel is attached at cover plate in adhesion zone, and bottom surface is additionally provided with groove, and groove is at least partially disposed at non-adhesion zone.The touch-control display panel and display device that the application is provided in the bottom surface of cover plate by setting groove, increase the deformation quantity after cover plate is pressed by user, improve the pressure detecting signal amount of touch-control display panel, pressure detecting is become sensitive, improve Consumer's Experience of the user to pressure detecting function.
Description
Technical field
Touched the present invention relates generally to display technology field, more particularly to a kind of touch-control display panel, display device and making
The method for controlling display panel.
Background technology
With continuing to develop for Display Technique, the application of touch-control display panel is more and more extensive, and user shows for touch-control
The requirement of the function and outward appearance of panel is also more and more diversified.In order to meet this demand of user, integrated pressure detection function
Touch-control display panel application and give birth to.
The mode of integrated pressure detection function is usually to be set in display panel in touch-control display panel in the prior art
Put first electrode layer, using the backlight chase in touch-control display panel backlight module as the second electrode lay, due to display panel and
Have between backlight module can deformation layer, when user applies pressure in cover plate top surface that touch-control display panel is included, the first electricity
Pole layer and the second electrode lay between can deformation layer height will change so that first electrode layer and second electricity
The capacitance for the electric capacity that pole layer is constituted occurs to change accordingly, and then first electrode layer and the second electrode lay can be constituted
The capacitance variation amount of electric capacity is scaled the size that user is applied to the pressure value of cover plate top surface, to realize pressure detecting function.
But with the continuous rising of lightening touch-control display panel pouplarity in the market, display panel and
Between backlight module can deformation layer height also more done smaller, this allows for the first electrode for realizing pressure detecting function
Feasible variable between layer and the second electrode lay is less and less, when the feasible variable between first electrode layer and the second electrode lay
In the case of less, user is when cover plate top surface applies pressure, the electric capacity for the electric capacity that first electrode layer and the second electrode lay are constituted
Value changes amount will be smaller, causes pressure detecting signal amount smaller.
Therefore, a kind of touch-control display panel for being capable of adherence pressure detection semaphore is needed badly.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, expect to provide a kind of touch-control display panel, it is existing to solve
Technical problem present in technology.
In a first aspect, the application provides a kind of touch-control display panel, touch-control display panel includes：
Display panel；
Cover plate, cover plate includes providing the top surface of touch-control and the bottom surface relative with top surface, and top surface includes plane domain, with
And around the arc area of plane domain；Bottom surface includes adhesion zone and the non-adhesion zone around adhesion zone, and display panel is being attached
Area is attached at cover plate, and bottom surface is additionally provided with groove, and groove is at least partially disposed at non-adhesion zone.
Second aspect, the application provides a kind of display device, and display device includes the touch-control display surface that first aspect is provided
Plate.
The third aspect, the application provides a kind of method for the touch-control display panel for making first aspect offer.
Touch-control display panel, display device and the method for making touch-control display panel that the application is provided, are both meeting
Lift Consumer's Experience and product is attractive in appearance, it is ensured that while the intensity of consumption electronic product (mobile phone, flat board etc.), by cover plate
Bottom surface set groove, increase the deformation quantity after cover plate is pressed by user, it is achieved thereby that adherence pressure detect semaphore
Purpose, and then avoid the occurrence of user and need to apply larger pressure and can reach the signal threshold of triggering pressure detecting function
The problem of activation threshold value between value or pressure detecting function at different levels is closer to, improves user to pressure detecting function
Consumer's Experience.And by setting groove in the bottom surface of cover plate, the weight of touch-control display panel is alleviated, user's body is improved
Test.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will to embodiment or
The accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Embodiments of the invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to the accompanying drawing of offer.
Fig. 1 is the comparison chart of different touch-control display panel cover plate deformation quantities and capacitance variations；
Fig. 2 is the diagrammatic cross-section of one embodiment of the invention touch-control display panel；
Fig. 3 is the covering plate structure schematic diagram of Fig. 2 touch-control display panels；
Fig. 4 for Fig. 2 touch-control display panels cover plate from cover plate top surface schematic top plan view；
Fig. 5 for Fig. 2 touch-control display panels cover plate from cover plate bottom surface schematic top plan view；
Fig. 5 a, Fig. 5 b are respectively Fig. 5 embodiments along AA ' and BB ' diagrammatic cross-section；
Fig. 6 a are another embodiment from cover plate bottom surface schematic top plan view；
Fig. 6 b, 6c are respectively Fig. 6 a embodiments along AA ' and BB ' diagrammatic cross-section；
Fig. 7 a are another embodiment from cover plate bottom surface schematic top plan view；
Fig. 7 b are diagrammatic cross-section of Fig. 7 a embodiments along AA '；
Fig. 8 is the electric capacity schematic diagram that another embodiment touch-control display panel is constituted；
Fig. 9 is the electric capacity schematic diagram that the application another embodiment touch-control display panel is constituted；
A kind of display device schematic diagram that Figure 10 provides for the application；
The substrate diagrammatic cross-section that Figure 11 provides for the application；
The substrate diagrammatic cross-section that Figure 12 a provide for the another embodiment of the application；
Figure 12 b are that Figure 12 a embodiments are posted after first substrate from second surface schematic top plan view；
Figure 12 c are Figure 12 b embodiment diagrammatic cross-sections；
Figure 13 is the cover plate diagrammatic cross-section of the application another embodiment touch-control display panel.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Fig. 2 is the diagrammatic cross-section of the touch-control display panel of one embodiment of the invention, and Fig. 3 is that the touch-control shown in Fig. 2 is shown
The covering plate structure schematic diagram of panel, Fig. 4 is that the cover plate that the touch-control display panel shown in Fig. 2 includes overlooks signal from cover plate top surface
Figure, Fig. 5 is the cover plate that includes of touch-control display panel shown in Fig. 2 from cover plate bottom surface schematic top plan view, with reference to Fig. 2, Fig. 3, Fig. 4,
Fig. 5, touch-control display panel provided in an embodiment of the present invention includes display panel 20 and cover plate 10, and its cover plate 10 includes providing
The top surface 11 of touch-control and the bottom surface 12 relative with top surface 11, top surface 11 include plane domain P, and around plane domain P
Arc area H；Bottom surface 12 includes the adhesion zone T and non-adhesion zone F around adhesion zone T, and display panel 20 is pasted in adhesion zone T
Cover plate 10 is invested, bottom surface 12 is additionally provided with groove 13, and groove 13 is at least partially disposed at non-adhesion zone F.
As described in the background art, with lightening touch-control display panel, pouplarity is not in the market
It is disconnected to rise, between display panel and backlight module can the height of deformation layer also more done smaller, first electrode layer and the second electricity
The capacitance variation amount for the electric capacity that pole layer is constituted will be smaller.Also, user to the overall visual effect of screen and fuselage and
Feel requires more and more higher, and the cover sheet thickness of touch-control display panel is mutually strained greatly.When the change of touch-control display panel thickness is big, such as
Shown in Fig. 1, when the thickness of cover plate 02 is more than 01 thickness of cover plate, not only can the height change of deformation layer can be smaller, and work as user
When applying an equal amount of pressure F1, cover plate 02 can also diminish in the deformation perpendicular to touch-control display panel direction compared with cover plate 01,
That is Δ d2<Δ d1, so that the capacitance variation amount for the electric capacity that first electrode layer and the second electrode lay are constituted will be smaller,
This brings very big limitation to the application of pressure detecting function, in fact it could happen that the pressure that user needs application larger can reach
The problem of to the signal threshold value for triggering pressure detecting function；Or when pressure detecting function classification is more, can cause at different levels
The problem of activation threshold value between pressure detecting function is closer to；These problems can all cause user to pressure detecting function
Consumer's Experience it is poor.Touch-control display panel, display device and the method for making touch-control display panel that the application is provided,
Both meeting, lifting Consumer's Experience and product are attractive in appearance, it is ensured that logical while the intensity of consumption electronic product (mobile phone, flat board etc.)
Cross the bottom surface in cover plate and groove is set, the deformation quantity after cover plate is pressed by user is increased, it is achieved thereby that adherence pressure
The purpose of semaphore is detected, and then avoids the occurrence of user and needs to apply larger pressure and can reach triggering pressure detecting work(
The problem of activation threshold value between the signal threshold value or pressure detecting function at different levels of energy is closer to, improves user to pressure
Detect the Consumer's Experience of function.And by setting groove in the bottom surface of cover plate, the weight of touch-control display panel is alleviated, is carried
Consumer's Experience is risen.
Another touch-control display panel provided in an embodiment of the present invention, except the other embodiment identical provided with the present invention
Part is outer, and cover plate 10 can include two the first grooves 13, and with reference to Fig. 2 and Fig. 5 is referred to, two the first grooves 13 are located at display
The relative both sides in face 20.
Another touch-control display panel provided in an embodiment of the present invention, as shown in Fig. 6 a, Fig. 6 b, Fig. 6 c, Fig. 6 a show lid
Plate respectively illustrates touch-control display panel along AA ' and BB from bottom surface schematic top plan view, Fig. 6 b, Fig. 6 c ' diagrammatic cross-section, remove
Outside the other embodiment identical part provided with the present invention, the groove 13 that cover plate 10 includes is annular groove, and annular groove encloses
Around adhesion zone T.
Optionally, as shown in Fig. 5, Fig. 5 a, Fig. 5 b and Fig. 6 b, Fig. 6 c, orthographic projection and patch of the display panel 20 in top surface 11
Attached area T is overlapped in the orthographic projection of top surface 11, i.e., display panel 20 top surface 11 orthographic projection and adhesion zone T in top surface 11 just
Projected area is equal, and is not provided with stepped area between display panel 20 and cover plate 10, so as to ensure that touch-control display panel exists
When being pressed during manufacture craft by roller, the borderline region that increased dramatically in the absence of stress, and then reduce display panel
20 risks for fragmentation occur and weighing wounded, improve the product effect of touch-control display panel.
The groove part that the cover plate that above-described embodiment is provided includes is located at non-adhesion zone, as shown in Fig. 5, Fig. 6 a.Certainly, originally
The groove that the cover plate that inventive embodiments are provided includes a part of can also be located at adhesion zone, and another part is located at non-adhesion zone, i.e.,
The groove that cover plate provided in an embodiment of the present invention includes is at least partially disposed at non-adhesion zone.For example, provided in an embodiment of the present invention
Another touch-control display panel, as shown in Fig. 7 a, Fig. 7 b, Fig. 7 a show that the cover plate of another embodiment is overlooked from bottom surface and illustrated
Figure, Fig. 7 b show touch-control display panel along AA ' diagrammatic cross-sections, except the other embodiment identical portion provided with the present invention
Exceptionally, the groove 13 that cover plate 10 includes covers orthographic projections of the adhesion zone T in top surface 11 in the orthographic projection of top surface 11, i.e., such as Fig. 7 b
Shown, groove 13 is more than adhesion zone T in the orthographic projection of top surface 11 and the periphery sides of groove 13 in the area of the orthographic projection of top surface 11
There is gap between edge and display panel 20.The touch-control display panel that the embodiment of the present application is provided, by the bottom surface 12 of cover plate 10
Groove 13 is set, and display panel 20 is located in groove 13, not only increases the deformation quantity after cover plate 10 is pressed by user, carry
High pressure detecting signal amount, and also reduce risk of the display panel 20 by electrostatic interference.Because cover plate 10 is not
Conductor, when electrostatic is beaten on touch-control display panel, the medium of the electric current meeting automatic stream conduction of generation, by cover plate 10
Bottom surface 12 sets this groove 13, as shown in Fig. 7 b, display panel 20 is coated in cover plate 10, i.e., in display panel 20
Surrounding is coated by the bulge-structure a of cover plate, and during electric current down conducts, the bulge-structure a of cover plate 10 plays stop
Effect, because cover plate 10 is non-conductive, electric current is difficult to be transmitted to display panel 20 along the direction of cover plate 10.
The touch-control display panel that above-described embodiment is provided alleviates touch-control display surface by setting groove in cover plate bottom surface
The weight of plate, improves Consumer's Experience.But meanwhile, can for the hardness and rigidity of the cover plate that ensures lid panel notches correspondence position
Choosing, as fig. 6 c, the thickness H1 of the cover plate of groove correspondence position is more than or equal to 0.5mm, for example, can be 0.5mm,
0.55mm.Optionally, the thickness H2 of cover plate, i.e. vertical range between the top surface 11 of cover plate 10 and bottom surface 12 can be more than or equal to
0.7mm。
Optionally, as shown in figure 8, touch-control display panel also includes the backlight module 30 being oppositely arranged with display panel 20,
Display panel 20 is located between cover plate 10 and backlight module 30；Display panel 20 includes first electrode layer 21；Backlight module 30 is wrapped
Include the second electrode lay 31；The capacitance change of the electric capacity constituted according to first electrode layer 21 and the second electrode lay 31 carries out pressure
Detection.Before touch-control display panel is pressed by user, the electricity for the electric capacity that first electrode layer 21 and the second electrode lay 31 are constituted
Capacitance isWherein, ε represents the dielectric constant between first electrode layer 21 and the second electrode lay, and S represents first
The facing area of electrode layer 41 and the second electrode lay 42, k represents electrostatic force constant, and D represents first electrode layer 41 and second electrode
Vertical range between layer 42.After user's finger presses touch-control display panel, first electrode layer 21 and the structure of the second electrode lay 31
Into the capacitance of electric capacity beAfter wherein D1 represents that touch-control display panel is pressed by user, first electrode
Vertical range between layer 21 and the second electrode lay 31.Before and after touch-control display panel pressing, the first electrode of touch-control display panel
The capacitance change for the electric capacity that layer 21 and the second electrode lay 31 are constitutedBy being set on cover plate 10
The formation weakened region of groove 13, after being pressed by user, the deformation quantitative change of cover plate is big, that is, also increases first electrode layer 21
Deformation quantity between the second electrode lay 31, i.e. (D-D1) become big, compared with prior art so that user is in touch-control display surface
Apply identical power on plate and result in larger capacitance change, that is, result in larger pressure detecting signal amount.With reference to
Table 1, table 1 is shown to be implemented in prior art touch-control display panel A (cover plate is 0.7mm thickness and is not provided with groove) and the application
The central point for the touch-control display panel B (cover plate is 0.7mm thickness and sets groove) that example is provided applies the amount of pressure of 500g pressings
Value, prior art touch-control display panel A pressure detecting signal amount is small compared with the touch-control display panel B that the embodiment of the present application is provided
300 or so.
Table 1
The touch-control display panel that the embodiment of the present application is provided need not apply larger pressure and can reach triggering pressure inspection
The signal threshold value of brake, so as to start pressure detecting function；And (for example it is divided into when pressure detecting function classification is more
Flicking function and again press function, flicking function when pressure detecting signal amount be more than flicking threshold value and less than again by threshold value when trigger,
Triggered again by function when pressure detecting signal amount is more than again by threshold value), the lifting of the pressure detecting signal amount detected is helped
The problem of the activation threshold value between avoiding the occurrence of pressure detecting functions at different levels is closer to, reduction user is wanting triggering gently
By the probability but triggered during function again by function, Consumer's Experience of the user to pressure detecting function is improved.
Optionally, as shown in figure 8, backlight module 30 includes backlight chase 36 and positioned at backlight module 30 towards display surface
The optical stack 32 of the side of plate 20, backlight chase 36 is the second electrode lay 31；Optical stack 32 is included by backlight module
Reflector plate 320, light guide plate 321, diffusion sheet 322 and at least one layer set gradually on 30 sensing display panel 20 directions is added lustre to
Piece 323；There is gas blanket 40 between optical stack 32 and display panel 20.
Optionally, the electric capacity schematic diagram of the touch-control display panel of the embodiment of the present invention can also be as shown in Fig. 9, backlight mould
Group 30 is located at display panel 20 away from the side surface of cover plate cover plate one, and the structure of backlight module 30 is similar with Fig. 8, also including backlight
Chase 36, reflector plate, light guide plate, diffusion sheet and at least one layer of brightening piece, will not be repeated here, and backlight chase 36 is the second electricity
Pole layer 31, another electrode layer 51 is located at center 52 close to the side surface of backlight module 30 1, and electrode layer 51 and the second electrode lay
Tangible change layer 40 between 31, touch-control display panel provided in an embodiment of the present invention passes through electrode layer 51 and the structure of the second electrode lay 31
Into electric capacity capacitance change carry out pressure detecting.
A kind of display device that the embodiment of the present invention is also provided, Figure 10 is a kind of display dress provided in an embodiment of the present invention
The structural representation put.As shown in Figure 10, display device 400 includes the touch-control display panel in above-described embodiment, therefore this hair
The display device 400 that bright embodiment is provided also possesses the beneficial effect described in above-described embodiment, and here is omitted.Need
It is noted that display device 400 can be mobile phone as shown in Figure 10, or computer, television set, intelligence wearing
Equipment etc., the embodiment of the present invention is not construed as limiting to this.
Present invention also offers the method for making touch-control display panel,
First, as shown in figure 11 there is provided a substrate 110, substrate 110 has the first surface 111 that is oppositely arranged and the
Two surfaces 112；
Secondly, second surface 112 is processed to form groove by Digit Control Machine Tool or etching technics, forms cover plate.One
Aspect, Digit Control Machine Tool (Computer numerical control, abbreviation CNC) can support three axle millings, turning and wire cutting
NC is processed, and can support wire frame, curved surface and entity Geometric Modeling.Processed (SolidFace ToolPath) by solid object surface
Or physical plane region processing (SolidAreaClear Toolpath) etc. can form recessed in the second surface 112 of substrate 110
Groove.On the other hand, etching technics mainly by expose plate-making, development after, will etch areas diaphragm remove, carve
Chemical solution is contacted during erosion, the effect of dissolved corrosion is reached, the effect of concavo-convex or hollow out shaping is formed.The embodiment of the present invention
The etching technics of offer can comprise the following steps successively：Size, the substrate standard of substrate and groove are first set according to product demand
Standby, base-plate cleaning, substrate drying, second substrate surface pad pasting or coating, second substrate dried, exposed, developed,
Drying, etching and the demoulding.It it is necessary quarter wherein in second substrate surface pad pasting or coating, exposure, development and etching and the demoulding
Etching technique step.
, can with reference to Fig. 3 by above-mentioned Digit Control Machine Tool or etching technics after the second surface 112 of substrate 110 formation groove
Cover plate 10 is formed, its cover plate 10 includes providing the top surface 11 of touch-control and the bottom surface 12 relative with top surface 11, wherein top surface 11
For first surface 111；Top surface 11 includes plane domain P, and around plane domain P arc area H；Bottom surface 12 includes patch
The attached area T and non-adhesion zone F around adhesion zone T.The groove 13 that the cover plate 10 that above-described embodiment is provided includes can be all located at
Non- adhesion zone, as shown in figure 5, groove 13 includes two the first grooves, described two first grooves are located at the display panel 20
(referring to Fig. 2) relative both sides；Or as shown in Figure 6 a, groove 13 is annular groove, annular groove surrounds adhesion zone T.As schemed
Shown in 7a, Fig. 7 b, the groove 13 that cover plate 10 provided in an embodiment of the present invention includes a part of can also be located at adhesion zone T, another
Part is located at non-adhesion zone F.To sum up, the groove 13 that cover plate 10 provided in an embodiment of the present invention includes is at least partially disposed at non-patch
Attached area F.
Finally there is provided a display panel 20, as shown in Fig. 6 b, Fig. 7 b, display panel 20 is attached at lid in adhesion zone T
Plate 10.Optionally, as shown in Figure 6 b, display panel 20 top surface 11 orthographic projection and the adhesion zone T in the top surface just
Projection is overlapped.Optionally, as shown in Figure 7b, groove 13 covers positive throwings of the adhesion zone T in top surface 11 in the orthographic projection of top surface 11
Shadow, i.e. groove 13 are more than orthographic projections of the adhesion zone T in top surface 11, and the periphery of groove 13 in the area of the orthographic projection of top surface 11
There is gap between edge and display panel 20.
The embodiment of the present invention additionally provides a kind of method for making touch-control display panel,
First, as figure 12 a shows there is provided a substrate 210, the substrate 210 has the first surface being oppositely arranged
211 and second surface 212；
Secondly, Figure 12 b are shown from second substrate surface schematic top plan view, and Figure 12 c show the section signal of substrate
Figure, with reference to reference Figure 12 b, Figure 12 c there is provided first substrate 220, by the method for ion welding or chemical bonding, in the second table
Face 212 attaches first substrate 220, wherein, all fringe regions of second surface 212 are pasted with the first substrate 220.This
Apply embodiment to the number of first substrate 220, shape and size without limiting, for example first substrate 220 also thinks ring
Shape.After all fringe regions of second surface 212 are pasted with first substrate 220, such as Figure 12 c, the table of first substrate 220 and second
Face 212 constitutes groove 13.Wherein, ion welding refers to use high-temperature fusion technology together, to can be used for two pieces of beadings
The optical glass of siliceous class or other silicon class glass it is bonded.Chemical bonding refers to the emulsion or molten using chemical adhesive
Liquid, by dipping, sprinkling, foam, stamp, etc. method apply adhesive in fibre web, and by being heat-treated fiber base
The method for forming non-woven material is reinforced in body-fibre web bonding.
Secondly, contour machining is used by Digit Control Machine Tool (Computer numerical control, abbreviation CNC)
(Profile Toolpath) or physical profiles process (SolidProfile Toolpath) technique to the base of substrate 210 and first
The outline of plate 220 is processed, and forms arc area, forms cover plate 10, with reference to Fig. 3, and cover plate 10 includes providing the top of touch-control
Face 11 and the bottom surface 12 relative with top surface 11, wherein top surface 11 are first surface 211；Top surface 11 includes plane domain P, with
And around plane domain P arc area H；Bottom surface 12 includes the adhesion zone T and non-adhesion zone F around adhesion zone T.
Finally there is provided a display panel 20, as shown in Fig. 7 a, 7b, display panel 20 is attached at cover plate in adhesion zone T
10, some is located at adhesion zone T to the groove 13 that cover plate 10 provided in an embodiment of the present invention includes, and another part is located at non-patch
Attached area F, i.e. groove 13 only some can be located at non-adhesion zone T.
Optionally, as shown in figure 13, the second surface 212 of substrate 210 includes bond regions N, wherein, bond regions N is first
The orthographic projection on surface 211 is overlapping in the orthographic projection of first surface 211 with adhesion zone T, is also pasted in the bond regions N of second surface 212
With first substrate 220, then the outline of substrate 210 and first substrate 220 is processed by Digit Control Machine Tool, formed
Arc area, forms cover plate 10.
Optionally, as shown in Fig. 6 b, Fig. 6 c, display panel 20 is in the orthographic projection of top surface 11 and adhesion zone T in top surface 11
Orthographic projection is overlapped, i.e., display panel 20 is equal in the frontal projected area of top surface 11 with adhesion zone T in the orthographic projection of top surface 11, and
Stepped area is not provided between display panel 20 and cover plate 10, so that in technical process, roller pressing touch-control display panel
When, the borderline region that increased dramatically in the absence of stress, and then the risk that display panel 20 fragmentation occurs and weighed wounded is reduced, carry
The high product effect of touch-control display panel.
The touch-control display panel that above-described embodiment makes alleviates touch-control display surface by setting groove in cover plate bottom surface
The weight of plate, improves Consumer's Experience.But meanwhile, can for the hardness and rigidity of the cover plate that ensures lid panel notches correspondence position
Choosing, as fig. 6 c, the thickness H1 of the cover plate of groove correspondence position is more than or equal to 0.5mm, for example, can be 0.5mm,
0.55mm.Optionally, the thickness H2 of cover plate, i.e. vertical range between the top surface 11 of cover plate 10 and bottom surface 12 can be more than or equal to
0.7mm。
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.Those skilled in the art can manage
Solution, the invention is not restricted to specific embodiment described here, can carry out various obvious changes for a person skilled in the art
Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, is not departing from the feelings of present inventive concept
Under condition, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (18)
1. a kind of touch-control display panel, it is characterised in that the touch-control display panel includes：
Display panel；
Cover plate, the cover plate includes providing the top surface of touch-control and the bottom surface relative with the top surface, and the top surface includes plane
Region, and around the arc area of the plane domain；The bottom surface includes adhesion zone and the non-patch around the adhesion zone
Attached area, the display panel is attached at the cover plate in the adhesion zone, and the bottom surface is additionally provided with groove, and the groove is at least
Part is located at the non-adhesion zone.
2. touch-control display panel according to claim 1, it is characterised in that the groove includes two the first grooves, institute
Two the first grooves are stated positioned at the relative both sides of the display panel.
3. touch-control display panel according to claim 1, it is characterised in that the groove is annular groove, the annular
Groove surrounds the adhesion zone.
4. the touch-control display panel according to Claims 2 or 3, it is characterised in that the display panel is in the top surface
Orthographic projection of the orthographic projection with the adhesion zone in the top surface is overlapped.
5. touch-control display panel according to claim 1, it is characterised in that the groove covers in the orthographic projection of the top surface
Cover orthographic projection of the adhesion zone in the top surface.
6. touch-control display panel according to claim 1, it is characterised in that the cover plate of the groove correspondence position
Thickness is more than or equal to 0.5mm.
7. touch-control display panel according to claim 1, it is characterised in that the touch-control display panel also includes：
The backlight module being oppositely arranged with the display panel, the display panel be located at the cover plate and the backlight module it
Between；
The display panel includes first electrode layer；
The backlight module includes the second electrode lay；
The variable quantity of the electric capacity constituted according to the first electrode layer and the second electrode lay carries out pressure detecting.
8. touch-control display panel according to claim 7, it is characterised in that the backlight module includes backlight chase and position
In the backlight module towards the optical stack of the display panel side, the backlight chase is the second electrode
Layer；
The optical stack include by the backlight module point to the reflector plate set gradually on the display panel direction,
Light guide plate, diffusion sheet and at least one layer of brightening piece；
There is gas blanket between the optical stack and the display panel.
9. a kind of display device, it is characterised in that the display device includes any one of claim 1-8 touch-control display surface
Plate.
10. a kind of method for making touch-control display panel, it is characterised in that
A substrate is provided, the substrate has the first surface and second surface being oppositely arranged；
The second surface is processed to form groove by Digit Control Machine Tool or etching technics, cover plate, the cover plate bag is formed
The top surface that touch-control is provided and the bottom surface relative with the top surface are included, wherein the top surface is the first surface；The top surface
Including plane domain, and around the arc area of the plane domain；The bottom surface includes adhesion zone and attached around described
The non-adhesion zone in area, the groove is at least partially disposed at the non-adhesion zone；
A display panel is provided, the display panel is attached at the cover plate in the adhesion zone.
11. method according to claim 10, it is characterised in that the groove includes two the first grooves, described two
First groove is located at the relative both sides of the display panel.
12. method according to claim 11, it is characterised in that the groove is annular groove, the annular groove encloses
Around the adhesion zone.
13. touch-control display panel according to claim 12, it is characterised in that the display panel in the top surface just
The orthographic projection with the adhesion zone in the top surface is projected to overlap.
14. method according to claim 10, it is characterised in that the groove is described in the orthographic projection covering of the top surface
Orthographic projection of the adhesion zone in the top surface.
15. a kind of method for making touch-control display panel, it is characterised in that
A substrate is provided, the substrate has the first surface and second surface being oppositely arranged；
First substrate is provided, by the method for ion welding or chemical bonding, the first substrate is attached in the second surface,
Wherein, all fringe regions of the second surface are pasted with the first substrate, the first substrate and the second surface
Constitute groove；
The outline of the substrate and the first substrate is processed by Digit Control Machine Tool, arc area is formed, lid is formed
Plate, the cover plate includes providing the top surface of touch-control and the bottom surface relative with the top surface, wherein the top surface is described first
Surface；The arc area surrounds the plane domain of the top surface, and the bottom surface is provided with adhesion zone and around the adhesion zone
Non- adhesion zone；
One display panel is provided, the display panel be attached in the adhesion zone cover plate and the groove some
Positioned at the non-adhesion zone.
16. method according to claim 15, it is characterised in that the second surface of the substrate includes bond regions, wherein
The bond regions are overlapping in the orthographic projection of the first surface with the adhesion zone in the orthographic projection of the first surface, described
The bond regions of second surface are pasted with the first substrate.
17. method according to claim 16, it is characterised in that orthographic projection and institute of the display panel in the top surface
The orthographic projection that adhesion zone is stated in the top surface is overlapped.
18. method according to claim 15, it is characterised in that the thickness of the substrate is more than or equal to 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710270266.1A CN107102771B (en) | 2017-04-24 | 2017-04-24 | Touch display panel, display device and method for manufacturing touch display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270266.1A CN107102771B (en) | 2017-04-24 | 2017-04-24 | Touch display panel, display device and method for manufacturing touch display panel |
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| Publication Number | Publication Date |
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| CN107102771A true CN107102771A (en) | 2017-08-29 |
| CN107102771B CN107102771B (en) | 2020-07-07 |
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