CN205539836U - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN205539836U CN205539836U CN201620201676.1U CN201620201676U CN205539836U CN 205539836 U CN205539836 U CN 205539836U CN 201620201676 U CN201620201676 U CN 201620201676U CN 205539836 U CN205539836 U CN 205539836U
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- sensitive adhesive
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Abstract
The utility model discloses a touch display panel and touch display device, this touch -control display panel include: relative first base plate and the second base plate that sets up, polarizing on, set up in first base plate is kept away from one side of second base plate, polarizing on is including electrically conductive pressure sensitive adhesive, polarizing on passes through electrically conductive pressure sensitive adhesive with a substrate bonding, the ground connection solder joint, set up in on the second base plate, conductive connection part, the electricity is connected electrically conductive pressure sensitive adhesive with the ground connection solder joint. The utility model discloses a conducting material is added to the pressure sensitive adhesive in polarizing on becomes electrically conductive pressure sensitive adhesive, not only can promote touch display panel and touch display device's antistatic effect, and does not influence touch display panel and touch display device's touch signal, saves technology simultaneously.
Description
Technical field
This utility model relates to touch-control display field, particularly to a kind of touch-control display panel and the touch control display apparatus that includes this touch-control display panel.
Background technology
Touch-control display panel of the prior art includes polaroid, ito film layer, color membrane substrates, liquid crystal layer, array base palte and lower polaroid the most from top to bottom.For improving the antistatic effect of touch-control display panel, after color membrane substrates becomes box with array base palte, can be about at the plated surface one layer of color membrane substratesIto film layer, this ito film layer is it is generally required to the ground connection solder joint (GND Pad) being connected on array base palte is to discharge the electrostatic on this ito film layer.This ito film layer is typically connected with above-mentioned ground connection solder joint, as electrostatic screen layer, to realize the antistatic effect of touch-control display panel by prior art by silver slurry.But, owing to the resistance of ITO is the lowest, the touching signals of touch-control display panel can be shielded by the ITO shield layer on color membrane substrates surface simultaneously；But do not have electrostatic screen layer or electrostatic diffusion layer electrostatic charge to be derived, the antistatic effect of touch-control display panel can be had a strong impact on.
Utility model content
In view of this, this utility model provides a kind of touch-control display panel and includes the touch control display apparatus of this touch-control display panel.
First aspect, this utility model embodiment provides a kind of touch-control display panel, including: the first substrate being oppositely arranged and second substrate；Upper polaroid, is arranged at the described first substrate side away from described second substrate, and described upper polaroid includes conductive pressure sensitive adhesive, and described upper polaroid is fitted with described first substrate by described conductive pressure sensitive adhesive；Ground connection solder joint, is arranged on described second substrate；Conductive connection part, electrically connects described conductive pressure sensitive adhesive and described ground connection solder joint.
Second aspect, this utility model embodiment provides a kind of touch control display apparatus, and this touch control display apparatus includes the touch-control display panel that above-mentioned first aspect is provided.
Compared with prior art, touch-control display panel and touch control display apparatus that this utility model provides make conductive pressure sensitive adhesive by adding conductive material in the pressure sensitive adhesive of upper polaroid, and by conductive connection part, conductive pressure sensitive adhesive is electrically connected with the ground connection solder joint being arranged on second substrate, electrostatic charge in conductive pressure sensitive adhesive can be imported the earth by ground connection solder joint by this conductive connection part, thus promote the antistatic effect of this touch-control display panel, and the touching signals of touch-control display panel is affected less；Simultaneously, pressure sensitive adhesive is inherently present in polaroid, for being fitted with first substrate by upper polaroid, obtains the conductive pressure sensitive adhesive with electric conductivity in conductive material joins pressure sensitive adhesive, eliminate the technique at first substrate plated surface ito film layer, reduce cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic top plan view of the touch-control display panel that prior art provides；
Fig. 2 is the generalized section along AA ' direction of the touch-control display panel shown in Fig. 1；
Fig. 3 is the schematic top plan view of a kind of touch-control display panel that this utility model embodiment provides；
Fig. 4 is a kind of generalized section along AA ' direction of the touch-control display panel shown in Fig. 3；
Fig. 5 is the another kind of generalized section along AA ' direction of the touch-control display panel shown in Fig. 3；
Fig. 6 is the schematic top plan view of the another kind of touch-control display panel that this utility model embodiment provides；
Fig. 7 is the schematic top plan view of another touch-control display panel that this utility model embodiment provides；
Fig. 8 A-8C is the partial schematic diagram of the processing step of the upper polaroid of laminating of the touch-control display panel that this utility model embodiment provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
First, in order to those skilled in the art better understood when technology of the present utility model, the structure of display floater in prior art is the most first introduced.
Seeing the schematic top plan view that Fig. 1 and Fig. 2, Fig. 1 are the touch-control display panels that prior art provides, Fig. 2 is the generalized section along AA ' direction of the touch-control display panel shown in Fig. 1.The touch-control display panel that prior art provides includes first substrate 11 and second substrate 12, and as a example by liquid crystal display (LCD, Liquid Crystal Display) panel, first substrate 11 can be color membrane substrates, and second substrate 12 can be array base palte；After first substrate 11 becomes box with second substrate 12, can be about at the plated surface one layer of first substrate 11Ito film layer 13, then above ito film layer 13 attach on polaroid 14；It is provided with a ground connection solder joint 15 on second substrate 12, this ito film layer 13 is connected with ground connection solder joint 15, as electrostatic screen layer, to realize the antistatic effect of touch-control display panel by silver slurry 16.Generally, this design has the problem that the resistance of ITO is the lowest, and the touching signals of touch-control display panel can be shielded by the ito film layer 13 on first substrate 11 surface simultaneously；But do not have electrostatic screen layer or electrostatic diffusion layer electrostatic charge to be derived, the antistatic effect of touch-control display panel can be had a strong impact on.
Therefore, this utility model embodiment provides touch-control display panel is precisely in order to the problem that exists of the touch-control display panel that solves prior art shown in Fig. 1 and Fig. 2 and provide.
This utility model embodiment provides a kind of touch-control display panel, including: the first substrate being oppositely arranged and second substrate；Upper polaroid, is arranged at the described first substrate side away from described second substrate, and described upper polaroid includes conductive pressure sensitive adhesive, and described upper polaroid is fitted with described first substrate by described conductive pressure sensitive adhesive；Ground connection solder joint, is arranged on described second substrate；Conductive connection part, electrically connects described conductive pressure sensitive adhesive and described ground connection solder joint.
Being the schematic top plan view of a kind of touch-control display panel that this utility model embodiment provides with reference to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 is a kind of generalized section along AA ' direction of the touch-control display panel shown in Fig. 3.The touch-control display panel that the present embodiment provides includes: the first substrate 21 (Fig. 3 is not shown) being oppositely arranged and second substrate 22；Upper polaroid 24, is arranged at the first substrate 21 side away from described second substrate 22, and upper polaroid 24 includes that conductive pressure sensitive adhesive 241, upper polaroid 24 are fitted with first substrate 21 by conductive pressure sensitive adhesive 241；Ground connection solder joint 25, is arranged on second substrate 22；Conductive connection part 26 (Fig. 3 is not shown), electrical connection conductive pressure sensitive adhesive 241 and ground connection solder joint 25.
It should be noted that as a example by display panels, first substrate 21 can be color membrane substrates, second substrate 22 can be array base palte.
Touch-control display panel shown in Fig. 3 and Fig. 4 is compared with prior art, conductive pressure sensitive adhesive 241 is made by adding conductive material in the pressure sensitive adhesive of upper polaroid 24, and by conductive connection part 26, conductive pressure sensitive adhesive 241 is electrically connected with the ground connection solder joint 25 being arranged on second substrate 22, electrostatic charge in conductive pressure sensitive adhesive can be imported the earth by ground connection solder joint 25 by this conductive connection part 26, thus promote the antistatic effect of this touch-control display panel, and the touching signals of touch-control display panel is affected less；Simultaneously, pressure sensitive adhesive is inherently present in polaroid 24, for being fitted with first substrate 21 by upper polaroid 24, obtains the conductive pressure sensitive adhesive 241 with electric conductivity in conductive material joins pressure sensitive adhesive, eliminate the technique at first substrate 21 plated surface ito film layer, reduce cost.
Specifically, when preparing conductive pressure sensitive adhesive 241 in technique, can add conducting particles in pressure sensitive adhesive, such as organic conductive macromolecule, inorganic, metal oxide etc., this is not specifically limited by this utility model embodiment.
Touch-control display panel shown in Fig. 3 and Fig. 4, alternatively, the resistance value scope of this conductive pressure sensitive adhesive 241 is 108Ω/sqr-1011Ω/sqr.When the resistance of conductive pressure sensitive adhesive is less than 108During Ω/sqr, the touching signals of touch-control display panel can be obviously reduced, and experimental data shows, when the resistance of conductive pressure sensitive adhesive is from 108Ω/sqr is reduced to 107Ω/sqr, the peak of touching signals is reduced to 878 by 2081, and touch-control performance is substantially deteriorated；The static discharge failure voltage of touch-control display panel refers to table 1 with the experimental data of conductive pressure sensitive adhesive change in resistance, from table 1 data, along with conductive pressure sensitive adhesive resistance is gradually increased, static discharge failure voltage is gradually reduced, the i.e. antistatic effect of touch-control display panel is gradually reduced, when the resistance of conductive pressure sensitive adhesive is more than 1011During Ω/sqr, the antistatic effect of touch-control display panel is substantially deteriorated, and Show Color easily occurs exception.Therefore, it is 10 when the resistance value scope of conductive pressure sensitive adhesive 2418Ω/sqr-1011During Ω/sqr, touch-control display panel can have good antistatic effect, and touching signals also will not be made to be affected.
| Conductive pressure sensitive adhesive resistance (Ω/sqr) | Static discharge failure voltage (kV) |
| Without conductive pressure sensitive adhesive | 8-9 |
| 1011 | 11-12 |
| 1010 | 14-15 |
| 109 | 16 |
Table 1
Touch-control display panel shown in Fig. 3 and Fig. 4, alternatively, this conductive connection part 26 is silver slurry, conductive pressure sensitive adhesive 241 and ground connection solder joint 25 is electrically connected by a silver-colored sizing process.It should be noted that conductive connection part 26 utilizes conductive material to prepare, it is not limited to silver slurry.Such as, in other optional embodiments of this utility model, conductive connection part 26 can also select the conductive materials such as conductive tape.
With continued reference to Fig. 4, the upper polaroid 24 of the touch-control display panel shown in Fig. 4 also includes the first support membrane 242, light polarizing film the 243, second support membrane 244 and the protecting film 245 being positioned at above conductive pressure sensitive adhesive 241 and setting gradually.Alternatively, this first support membrane 242 and the second support membrane 244 are Triafol T (TAC) film, and this light polarizing film 243 is polyvinyl alcohol (PVA) film.In above-mentioned upper polaroid 24; play polarization is light polarizing film 243; but easily hydrolyze owing to making the polyvinyl alcohol of above-mentioned light polarizing film 243; in order to protect the physical characteristic of light polarizing film 243, therefore in the both sides of light polarizing film 243 each compound one layer there is high light transmission rate, water-tolerant have again the support membrane (such as the first support membrane 242 and the second support membrane 244) of certain mechanical strength to protect.It should be noted that the material of the first support membrane 242, light polarizing film the 243, second support membrane 244 is not limited to above-mentioned material, above-mentioned material is a kind of optional implementation of this utility model embodiment.
In conjunction with Fig. 3 and Fig. 4, the touch-control display panel that the present embodiment provides includes viewing area 201 and the non-display area 202 around viewing area 201, and upper polaroid 24 is completely covered viewing area 201.It is understandable that; upper polaroid 24 is completely covered all film layer structures that viewing area 201 refers to that polaroid 24 includes (such as conductive pressure sensitive adhesive the 241, first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245; Fig. 4 is only labelled with conductive pressure sensitive adhesive 241) viewing area 201 is completely covered, to reach normal display effect in the orthographic projection of first substrate 21 place plane.Specifically, conductive pressure sensitive adhesive 241 can be completely covered first substrate 21, and identical with first substrate 21 area.
With continued reference to Fig. 3 and Fig. 4, the touch-control display panel that the present embodiment provides, conductive pressure sensitive adhesive 241 includes exposed area 2411 at non-display area 202 away from the side of first substrate 21.It is understood that this exposed area 2411 refers to that the top of the exposed area 2411 of conductive pressure sensitive adhesive 241 does not exist other film layer structures (such as the first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245) of polaroid 24.Owing to conductive pressure sensitive adhesive 241 is positioned at the bottom of upper polaroid 24, conductive connection part 26 is set, such as during silver slurry, silver slurry is difficult to directly contact conductive pressure sensitive adhesive 241, therefore exposed area 2411 is reserved at non-display area 202 away from the side of first substrate 21 at conductive pressure sensitive adhesive 241, it is easy to arrange conductive connection part 26, it is achieved conductive pressure sensitive adhesive 241 and the electrical connection of ground connection solder joint 25.
Alternatively, conductive connection part 26 (Fig. 3 is not shown) is completely covered exposed area 2411.Conductive pressure sensitive adhesive 241 can be made easily to lose efficacy owing to the exposed area 2411 of conductive pressure sensitive adhesive 241 is partially exposed in air, conductive connection part 26 is completely covered exposed area 2411 and can effectively prevent the inefficacy of conductive pressure sensitive adhesive 241.
Alternatively, ground connection solder joint 25 is positioned at non-display area 202 and is positioned at the second substrate 22 side near first substrate 21, and ground connection solder joint 25 and exposed area 2411 are positioned at the non-display area 202 of the same side, viewing area 201, so ground connection solder joint 25 and exposed area 2411 is close together, the material of conductive connection part 26 can be saved, reduce technology difficulty.
As it is shown on figure 3, in the present embodiment, exposed area 2411 be shaped as rectangle, this rectangle can be easy to when making polaroid 24 cut other film layers above exposed area 2411 as shown in Figure 3 across non-display area 202.It should be noted that the shape of exposed area 2411 is not limited to rectangle, in other optional embodiments of this utility model, it is also possible to be triangle, other polygons or irregular figure.
As shown in Figure 4; in the present embodiment; upper polaroid 24 is positioned at the part above conductive pressure sensitive adhesive 241 (specifically; refer to the first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245) mutually neat near the end of exposed area 2411; i.e. end orthographic projection on the first substrate is overlapping; but it is not limited to this, specifically whether can facilitate and whether save flow process according to the technological operation that other film layers above exposed area 2411 are cut or become originally to select.
As shown in Figure 4, alternatively, conductive pressure sensitive adhesive 241 and the viscous force of first substrate 21 are more than conductive pressure sensitive adhesive 241 and the viscous force of the first support membrane 242.When preparing above-mentioned touch-control display panel; owing to the top of the exposed area 2411 of conductive pressure sensitive adhesive 241 does not exist other film layer structures (such as the first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245) of upper polaroid 24; after needing other film layers above-mentioned are cut, these film layers are torn off; when the viscous force of conductive pressure sensitive adhesive 241 with first substrate 21 is more than the viscous force of conductive pressure sensitive adhesive 241 and the first support membrane 242; when tearing off these film layers, the laminating of conductive pressure sensitive adhesive 241 and first substrate 21 is not easily susceptible to impact.
It is the another kind of generalized section along AA ' direction of the touch-control display panel shown in Fig. 3 with reference to Fig. 5, Fig. 5.As shown in Figure 5; here is omitted for the part identical with the touch-control display panel shown in Fig. 4; difference is; in the present embodiment; upper polaroid 24 is positioned at the part above conductive pressure sensitive adhesive 241 (specifically; refer to the first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245) near the sloped-end of exposed area 2411; i.e. end orthographic projection on the first substrate is the most overlapping; incline direction this utility model embodiment does not limits, and Fig. 5 schematically show only a kind of incline direction.For technologic consideration, when cutting end, it is relatively low that end slightly tilts the requirement to technological operation.
It is the schematic top plan view of another touch-control display panel that this utility model embodiment provides with reference to Fig. 6, Fig. 6.As shown in Figure 6, here is omitted for the part identical with the touch-control display panel shown in Fig. 3, difference is, in the present embodiment, the shape of exposed area 2411 is triangle, and this exposed area 2411 is positioned at adjacent two side intersections of conductive pressure sensitive adhesive 241, not across non-display area 202, the area of this exposed area 2411 is less, the material of the conductive connection part 26 (Fig. 6 not shown) of exposed area 2411 can be completely covered, reduce the cost of manufacture of touch-control display panel needed for saving.It is understood that for the material saving conductive connection part 26, the area that can make exposed area 2411 is less, but it is not limited to the triangle described in above-described embodiment, simply for technologic consideration, when polaroid is cut, cut into triangle more convenient.
It should be noted that the shape size of the ground connection solder joint of the touch-control display panel of this utility model offer is not limited to the accompanying drawing of above-described embodiment, can adjust accordingly according to the shape size of exposed area.Specifically refer to the schematic top plan view that Fig. 7, Fig. 7 are another touch-control display panels that this utility model embodiment provides.As shown in Figure 7, here is omitted for the part identical with the touch-control display panel shown in Fig. 3, difference is, in the present embodiment, ground connection solder joint 25 can be across non-display area 202, corresponding with exposed area 241, meanwhile, exposed area 2411 and the ground connection solder joint 25 of conductive pressure sensitive adhesive 241 can also be electrically connected at ground connection solder joint 25 by conductive connection part (Fig. 7 is not shown) across non-display area 202.
In order to make those skilled in the art better understood when technology of the present utility model, introduce the processing step of the upper polaroid of laminating of the touch-control display panel that this utility model embodiment provides below in conjunction with Fig. 8 A-8C and Fig. 4.
Fig. 8 A-8C is the partial schematic diagram of the processing step attaching upper polaroid of the touch-control display panel that this utility model embodiment provides.As shown in Figure 8 A, before polaroid 240 with baseplate-laminating, this polaroid 240 includes mould release membrance 246, conductive pressure sensitive adhesive the 241, first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245.The touch-control display panel that this utility model embodiment provides is fitted upper polaroid 24 as follows:
Step S1, it is provided that become after box and arrange the polaroid 240 shown in the first substrate 21 of ground connection solder joint 25 and second substrate 22 and Fig. 8 A；
Step S2, is cut polaroid 240 the first support membrane 242, light polarizing film the 243, second support membrane 244 and protecting film 245 by the position of dotted line B；
Step S3, is torn off the mould release membrance 246 bottom polaroid 240 and is fitted with first substrate by this polaroid 240 by conductive pressure sensitive adhesive 241, obtaining structure as shown in Figure 8 B；
Step S4, as shown in Figure 8 B, tears off first support membrane 242 in region, light polarizing film the 243, second support membrane 244 and protecting film 245 between dotted line B and B ', obtains structure as shown in Figure 8 C so that the conductive pressure sensitive adhesive 241 of upper polaroid 24 has exposed area 2411；
Step S5, conductive connection part 26 is set and electrically connects exposed area 2411 and the ground connection solder joint 25 of conductive pressure sensitive adhesive 241, as conductive pressure sensitive adhesive 241 and ground connection solder joint 25 electrically connected by a silver-colored sizing process, obtain a kind of touch-control display panel that this utility model embodiment as shown in Figure 4 is provided.
This utility model embodiment provides a kind of touch control display apparatus, and this touch control display apparatus includes the touch-control display panel described in one embodiment of any of the above.The touch control display apparatus that this utility model embodiment provides has the beneficial effect of the touch-control display panel that this utility model embodiment provides, and is referred to the touch-control display panel that above-described embodiment provides, does not repeats at this.This touch control display apparatus can be the equipment that mobile phone, desktop computer, notebook, panel computer, Electronic Paper etc. arbitrarily have touch display function.
It should be noted that, touch-control display panel and touch control display apparatus that the embodiment of the present invention provides illustrate as a example by display panels and display device, but, the scheme that the embodiment of the present invention provides is applicable not only to display panels and display device, can equally be well applied to organic light emission (OLED, Organic Light-Emitting Diode) display floater and display device, and other kinds of display floater and display device.
The touch-control display panel and the touch control display apparatus that are thered is provided this utility model embodiment above are described in detail, principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously for one of ordinary skill in the art, according to thought of the present utility model, the most all will change, in sum, this specification content should not be construed as restriction of the present utility model.
Claims (15)
1. a touch-control display panel, including:
The first substrate being oppositely arranged and second substrate；
Upper polaroid, is arranged at the described first substrate side away from described second substrate, described upper polarisation
Sheet includes conductive pressure sensitive adhesive, and described upper polaroid is fitted with described first substrate by described conductive pressure sensitive adhesive；
Ground connection solder joint, is arranged on described second substrate；
Conductive connection part, electrically connects described conductive pressure sensitive adhesive and described ground connection solder joint.
Touch-control display panel the most according to claim 1, it is characterised in that the electricity of described conductive pressure sensitive adhesive
Standard resistance range is 108Ω/sqr-1011Ω/sqr。
Touch-control display panel the most according to claim 1, it is characterised in that described conductive connection part is silver
Slurry.
Touch-control display panel the most according to claim 1, it is characterised in that described touch-control display panel bag
Including viewing area and the non-display area around described viewing area, described upper polaroid is completely covered described viewing area.
Touch-control display panel the most according to claim 1, it is characterised in that described upper polaroid also includes
The first support membrane of being positioned at above described conductive pressure sensitive adhesive and set gradually, light polarizing film, the second support membrane and
Protecting film.
Touch-control display panel the most according to claim 5, it is characterised in that described first support membrane and institute
Stating the second support membrane is three cellulose acetate membrane, and described light polarizing film is polyvinyl alcohol film.
Touch-control display panel the most according to claim 5, it is characterised in that described conductive pressure sensitive adhesive and institute
State the viscous force viscous force more than described conductive pressure sensitive adhesive with described first support membrane of first substrate.
Touch-control display panel the most according to claim 1, it is characterised in that described touch-control display panel bag
Including viewing area and the non-display area around described viewing area, described conductive pressure sensitive adhesive is remote at described non-display area
Exposed area is included from the side of described first substrate.
Touch-control display panel the most according to claim 8, it is characterised in that described conductive connection part is complete
Cover described exposed area.
Touch-control display panel the most according to claim 8, it is characterised in that the shape of described exposed area
It is rectangle, triangle, other polygons or irregular figure.
11. touch-control display panels according to claim 8, it is characterised in that described upper polaroid is positioned at
Part above described conductive pressure sensitive adhesive is mutually neat near the end of described exposed area.
12. touch-control display panels according to claim 8, it is characterised in that described upper polaroid is positioned at
Part above described conductive pressure sensitive adhesive is near the sloped-end of described exposed area.
13. touch-control display panels according to claim 8, it is characterised in that described ground connection solder joint is positioned at
Described non-display area and be positioned at the described second substrate side near described first substrate.
14. touch-control display panels according to claim 13, it is characterised in that described ground connection solder joint and institute
State exposed area and be positioned at the described non-display area of the same side, described viewing area.
15. 1 kinds of touch control display apparatus, it is characterised in that include touching as described in any one of claim 1-14
Control display floater.
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| CN201620201676.1U CN205539836U (en) | 2016-03-16 | 2016-03-16 | Touch display panel and touch display device |
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| CN201620201676.1U CN205539836U (en) | 2016-03-16 | 2016-03-16 | Touch display panel and touch display device |
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