CN204883656U - Contact screen - Google Patents
Contact screen Download PDFInfo
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- CN204883656U CN204883656U CN201520682966.8U CN201520682966U CN204883656U CN 204883656 U CN204883656 U CN 204883656U CN 201520682966 U CN201520682966 U CN 201520682966U CN 204883656 U CN204883656 U CN 204883656U
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- support tape
- liquid crystal
- crystal display
- display module
- touch
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Abstract
The utility model discloses a contact screen belongs to contact screen laminating technical field. This contact screen includes touch panel, laminating glue film and liquid crystal display module, and the setting of laminating glue film is between touch panel and liquid crystal display module, and still including supporting the sticky tape, the support sticky tape sets up between liquid crystal display module and touch panel along the outside of laminating glue film contact screen, and touch panel bonds with liquid crystal display module through support sticky tape and laminating glue film. The utility model discloses a set up the support sticky tape on liquid crystal display module to to support the sticky tape and set up along the outside of laminating glue film, and make touch panel and liquid crystal display module bond together through supporting sticky tape and laminating glue film, thus utilize support that the sticky tape has packed that touch panel's outside is followed and liquid crystal display module between the clearance, and then avoided the touch screen water corrugated problem to appear.
Description
Technical field
The utility model belongs to touch-screen coating technique field, particularly a kind of touch-screen.
Background technology
Touch-screen is a kind of induction type liquid crystal indicator receiving touch signal, and touch-screen mainly comprises the contact panel and liquid crystal display module that fit together.Laminating type between contact panel and liquid crystal display module has full laminating and frame to fit two kinds usually, wherein, full laminating adopts laminating glue to be fit together at the middle part of contact panel and liquid crystal display module, and frame laminating is then adopt frame rubberizing to be fit together by the outer edge of contact panel and liquid crystal display module.
Owing to entirely fitting for frame laminating, there is better transmittance and color saturation, so the mode of full laminating is more common now.But, when adopting the mode of full laminating, often the outer edge of contact panel and liquid crystal display module firmly cannot be fit together, easily between the outer edge and liquid crystal display module of contact panel, produce gap, thus cause the outer edge region of contact panel to be in vacant state, when this region is pressed, touch screen very easily occurs bending and deformation, and then causes liquid crystal display module to occur " water ripples " problem.
Now common solution is the application area expanding laminating glue, thus avoids between contact panel and liquid crystal display module and produce gap, and then improves " water ripples " problem.But due to intensity and the finite stiffness of glue of fitting, still can deform after pressurized, so " water ripples " problem can not be resolved completely.
Utility model content
In order to the problem of water ripples easily appears in the touch-screen solving existing full laminating, the utility model embodiment provides a kind of touch-screen.Described technical scheme is as follows:
The utility model embodiment provides a kind of touch-screen and comprises: contact panel, laminating glue-line and liquid crystal display module, described laminating glue-line is arranged between described contact panel and described liquid crystal display module, described touch-screen also comprises support tape, described support tape is arranged between described liquid crystal display module and described contact panel along the outside of described laminating glue-line, described contact panel by described support tape and described laminating glue-line bonding with described liquid crystal display module.
In a kind of implementation of the present utility model, the middle part of at least one pair of opposite side of described laminating glue-line is provided with strip recess, the length direction of described strip recess is parallel with the limit of the laminating glue-line at described strip recess place, is equipped with described support tape in strip recess described in each.
In another kind of implementation of the present utility model, described support tape 10mm-40mm shorter in the outside of the liquid crystal display module at described support tape place.
In another kind of implementation of the present utility model, described strip recess comprises side and base connected vertically with described side, is provided with gap between described support tape and described base, and the width in described gap is 0.1mm-0.2mm.
In another kind of implementation of the present utility model, described support tape is arranged outside relative two of described laminating glue-line.
In another kind of implementation of the present utility model, the spacing between the outside of the liquid crystal display module at described support tape and described support tape place is 0.3mm-0.5mm.
In another kind of implementation of the present utility model, described support tape is adhesive tape.
In another kind of implementation of the present utility model, described support tape comprises base material film and two without base material layers of two-sided, described base material film be located in described two without between base material layers of two-sided.
In another kind of implementation of the present utility model, described is 3M9471 layers of two-sided or 3M9460 layers of two-sided without base material layers of two-sided.
In another kind of implementation of the present utility model, described base material film is polyethylene terephthalate base material film.
In another kind of implementation of the present utility model, described laminating glue-line is optical clear glue-line.
In another kind of implementation of the present utility model, the thickness of described support tape equals the thickness of described laminating glue-line.
In another kind of implementation of the present utility model, the thickness of described support tape is 0.2mm-0.3mm.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By arranging support tape on liquid crystal display module, and the outside of support tape along laminating glue-line is arranged, make together with contact panel and liquid crystal display module to be bonded in laminating glue-line by support tape, thus utilize support tape to be filled with gap between the outer edge of contact panel and liquid crystal display module, and then avoid the problem that water ripples appear in touch screen.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of touch-screen that the utility model embodiment provides;
Fig. 2 is that the laminating glue-line UV that the utility model embodiment provides solidifies schematic diagram:
Fig. 3 is the structural representation of the support tape that the utility model embodiment provides;
Fig. 4 is the arrangement schematic diagram of a kind of support tape that the utility model embodiment provides;
Fig. 5 is the arrangement schematic diagram of the another kind of support tape that the utility model embodiment provides;
In figure, each symbol represents that implication is as follows:
1-contact panel, 1a-viewing area, 1b-non-display area, 2-fits glue-line, 21-strip recess, 211-side, 212-base, 213-gap, 3-liquid crystal display module, 4-support tape, 41-base material film, 42-is without base material layers of two-sided, 43-release film, a-UV ray, the width in gap is d, and spacing is D.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
A kind of touch-screen that the utility model embodiment provides, as shown in Figure 1, this touch-screen comprises contact panel 1, laminating glue-line 2 and liquid crystal display module 3, laminating glue-line 2 is arranged between contact panel 1 and liquid crystal display module 3, touch-screen also comprises support tape 4, support tape 4 is arranged between liquid crystal display module 3 and contact panel 1 along the outside of laminating glue-line 2, and contact panel 1 is bonding with liquid crystal display module 3 with laminating glue-line 2 by support tape 4.
By arranging support tape 4 on liquid crystal display module 3, and the outside of support tape 4 along laminating glue-line 2 is arranged, contact panel 1 and liquid crystal display module 3 are bonded together by support tape 4 and laminating glue-line 2, thus utilize support tape 4 to be filled with gap between the outer edge of contact panel 1 and liquid crystal display module 3, and then avoid the problem that water ripples appear in touch screen.
As shown in Figure 1, contact panel 1 generally includes viewing area 1a and non-display area 1b (also known as frame region), non-display area 1b is positioned at the surrounding of viewing area 1a, and when realizing, support tape 4 can be located between the non-display area 1b of liquid crystal display module 3 and contact panel.
Alternatively, glue-line 2 of fitting can be OCA (OpticalClearAdhesive, Optical transparent adhesive) glue-line.It should be noted that, although fit in the present embodiment, glue-line 2 is OCA glue-line, but easy understand, glue-line of fitting in other embodiments is also not only confined to above-mentioned preferred version, it can also be the laminating glue-line 2 of other kinds, as OCR (OpticalClearResin, optical clear resin) glue-line etc. of fitting, the present embodiment does not limit this.
In the present embodiment, support tape 4 is adhesive tape, because laminating glue-line 2 is applied on liquid crystal display module 3 with a kind of gluey form of semi liquid state, so also need after smearing through UV (Ultraviolet, ultraviolet) curing process.When carrying out UV solidification, as shown in Figure 2, UV ray a irradiates from the top of laminating glue-line 2 and side laminating glue-line 2 respectively, due to support tape 4 along laminating glue-line 2 outside be arranged on liquid crystal display module 3, so block UV ray a in order to avoid support tape 4, support tape 4 is preferably adhesive tape.
The structural representation of the support tape that Fig. 3 provides for the present embodiment, particularly, see Fig. 3, support tape 4 comprises base material film 41 and two without base material layers of two-sided 42, and base material film 41 is located in two without between base material layers of two-sided 42.Thus utilize the hardness of base material film 41 and intensity to play a supporting role, utilize without the viscosity of base material layers of two-sided 42 to play bonding effect.
Preferably, be 3M9471 layers of two-sided or 3M9460 layers of two-sided without base material layers of two-sided 42, according to the comprehensive consideration such as performance, cost, difficulty of processing of 3M9471 layers of two-sided and 3M9460 layers of two-sided, preferably, be 3M9471 layers of two-sided without base material layers of two-sided 42, it should be noted that, in actual applications, also above-mentioned preferred version is not only confined to without base material layers of two-sided 42, can also be other kinds without base material layers of two-sided 42, as 3M9473 layers of two-sided etc., the present embodiment does not limit this.
Preferably, described base material film 41 is PET (polyethyleneterephthalate, polyethylene terephthalate) base material film, thus the physical and mechanical properties and transparent feature that PET base material film is good can be utilized, not only make support tape 4 have good intensity and hardness, also avoid the UV solidification that support tape 4 affects laminating glue-line.It should be noted that, in actual applications, base material film 41 is also not only confined to above-mentioned preferred version, and can also be the base material film 41 of other kinds, as PC (Polycarbonate, polycarbonate) base material film etc., the present embodiment limit this.
Fig. 4 shows the arrangement of a kind of support tape 4 that the utility model embodiment provides, see Fig. 4, the middle part of a pair opposite side of laminating glue-line 2 is provided with strip recess 21, the length direction of strip recess 21 is parallel with the limit of the laminating glue-line 2 at strip recess 21 place, support tape 4 is equipped with in each strip recess 21, thus utilize support tape 4 to be filled with gap between the side of contact panel and liquid crystal display module, and then avoid the problem that water ripples appear in touch screen.And, four angles of contact panel 1 are bonding by the laminating glue-line 2 at strip recess two ends with liquid crystal display module 3, the sticky viscosity of laminating glue-line 2 is greater than the sticky viscosity of support tape 4 usually, so ensure that the peeling force between the corner of contact panel and liquid crystal display module 3, avoid the impact of support tape 4 on the peeling force between contact panel and liquid crystal display module 3.
It should be noted that, in the embodiment shown in fig. 4, support tape 4 is arranged in the strip recess 21 of laminating glue-line 2, in other embodiments, laminating glue-line 2 also can not arrange strip recess, and support tape 4 is arranged on the periphery of laminating glue-line 2, namely be arranged in parallel with the outside of laminating glue-line 2.In this case, the length of support tape 4 can be equal with the length of the outside of laminating glue-line 2.
Particularly, support tape 4 10mm-40mm shorter in the outside of the liquid crystal display module 3 at this support tape 4 place, easy understand, in order to ensure the stability of touch screen structure, support tape 4 can be positioned at the middle part of liquid crystal display module 3, preferably, support tape 4 30mm shorter in the outside of the liquid crystal display module 3 at this support tape 4 place.
Particularly, strip recess 21 comprises side 211 and base 212 connected vertically with side 211, is provided with gap 213 between the base 212 of support tape 4 and strip recess 21, and the width d in gap 213 is 0.1mm-0.2mm.In production application, in order to avoid laminating glue-line 2 overflowed support tape 4 before not being cured, institute think support tape 4 and laminating glue-line 2 between reserved gap 213, easy understand, in order to further improve the stability of touch screen structure, the width d in gap 213 also can also further reduce, but in order to ensure that laminating glue-line 2 can not overflow support tape 4, as preferably, the width d in gap 213 can be 0.1mm.
Particularly, support tape 4 is arranged outside relative two of laminating glue-line 2, makes support tape 4 can support the outer edge of contact panel and the outer edge of liquid crystal display module 3 accurately.
More specifically, space D between the outside of the liquid crystal display module 3 at support tape 4 and support tape 4 place is 0.3mm-0.5mm, in production application, support tape 4 adopts the mode of artificial laminating to be bonded on liquid crystal display module 3 usually, so in order to avoid aliging with the outer edge of liquid crystal display module 3 because too pursuing support tape 4, and it is bonding with the outer edge of liquid crystal display module 3 to cause part support tape 4 to be failed, thus the peeling force reduced between support tape 4 and liquid crystal display module 3, the present embodiment is provided with certain space D in support tape 4 and the outer edge of liquid crystal display module 3, preferably, this space D is 0.4mm.
When realizing, the width of support tape 4 can be 1.5mm-4mm, and preferably, the width of support tape 4 is 2.5mm.
In the present embodiment, the thickness of support tape 4 equals the thickness of laminating glue-line 2, not only ensure that the contact that the support tape 4 be located on liquid crystal display module 3 can be good with contact panel, also avoid to cause because support tape 4 is blocked up being located between laminating glue-line 2 on liquid crystal display module 3 and contact panel and produce air layer, affect the quality of touch-screen.
Particularly, the thickness of support tape 4 is 0.2mm-0.3mm, and through test of many times, preferably, the thickness of support tape 4 is 0.25mm, both ensure that hardness and the intensity of support tape 4, turn avoid the thickness of excessive increase touch-screen.
Refer again to Fig. 3, in the present embodiment, can arrange release film 43 in support tape 4, release film 43 is for the protection of support tape 4.Easy understand, before support tape 4 is bonded on liquid crystal display module, need release film 43 to strip down from support tape 4, to ensure the viscosity of support tape 4.
Particularly, the length of release film 43 can equal the length of side of liquid crystal display module 3, the width of release film 43 can be greater than the width of support tape 4, and release film 43 equals support tape 4 in the width differential of liquid crystal display module 3 with the width differential of support tape 4, i.e. release film 43 30mm longer than support tape 4, release film 43 0.4mm wider than support tape 4.Make when support tape 4 is bonded on liquid crystal display module 3, first can be alignd in the outside of release film 43 with liquid crystal display module 3, again support tape 4 is bonded on liquid crystal display module 3, finally peel off release film 43, thus be convenient to the contraposition realized between support tape 4 and liquid crystal display module 3 and process.
Simply introduce the manufacturing process of the touch-screen that the present embodiment provides below:
Step 1: alignd by the outer edge of release film with liquid crystal display module, after in adhesive tape bonding to be supported to liquid crystal display module, peels off release film, completes the bonding operation of support tape;
Step 2: be coated with laminating glue-line on liquid crystal display module, and note the gap between reserved laminating glue-line and support tape;
Step 3: contact panel and liquid crystal display module are bonded together by laminating glue-line and support tape;
Step 4: with UV radiation exposure laminating glue-line, thus complete the UV curing operation of laminating glue-line.
Fig. 5 shows the arrangement of the another kind of support tape 4 that the utility model embodiment provides, see Fig. 5, this arrangement is substantially identical with the arrangement shown in Fig. 4, difference is only that the middle part on four limits of laminating glue-line 2 is equipped with strip recess 21, and be provided with support tape 4 in each strip recess 21, thus further add the support degree between contact panel and liquid crystal display module 3.
It should be noted that, in production application, because the space of a pair opposite side of common liquid crystal display module 3 is less, support tape 4 is not easily fitted with liquid crystal display module 3, so opposite side laminating support tape 4 only larger in the space of liquid crystal display module 3 under normal circumstances, such as, when the outside of liquid crystal display module 3 is greater than 3mm with the distance of the outside of corresponding laminating glue-line 2, support tape 4 can be set in the outside of this liquid crystal display module 3, the problem of water ripples is easily there is with the outer edge solving touch screen, but easy understand, the utility model does not limit this.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (13)
1. a touch-screen, described touch-screen comprises: contact panel, laminating glue-line and liquid crystal display module, described laminating glue-line is arranged between described contact panel and described liquid crystal display module, it is characterized in that, described touch-screen also comprises support tape, described support tape is arranged between described liquid crystal display module and described contact panel along the outside of described laminating glue-line, described contact panel by described support tape and described laminating glue-line bonding with described liquid crystal display module.
2. touch-screen according to claim 1, it is characterized in that, the middle part of at least one pair of opposite side of described laminating glue-line is provided with strip recess, the length direction of described strip recess is parallel with the limit of the laminating glue-line at described strip recess place, is equipped with described support tape in strip recess described in each.
3. touch-screen according to claim 2, is characterized in that, described support tape 10mm-40mm shorter in the outside of the liquid crystal display module at described support tape place.
4. touch-screen according to claim 2, is characterized in that, described strip recess comprises side and base connected vertically with described side, is provided with gap between described support tape and described base, and the width in described gap is 0.1mm-0.2mm.
5. the touch-screen according to any one of claim 1-4, is characterized in that, described support tape is arranged outside relative two of described laminating glue-line.
6. touch-screen according to claim 5, is characterized in that, the spacing between the outside of the liquid crystal display module at described support tape and described support tape place is 0.3mm-0.5mm.
7. the touch-screen according to any one of claim 1-4, is characterized in that, described support tape is adhesive tape.
8. touch-screen according to claim 7, is characterized in that, described support tape comprises base material film and two without base material layers of two-sided, described base material film be located in described two without between base material layers of two-sided.
9. touch-screen according to claim 8, is characterized in that, described is 3M9471 layers of two-sided or 3M9460 layers of two-sided without base material layers of two-sided.
10. touch-screen according to claim 8, is characterized in that, described base material film is polyethylene terephthalate base material film.
11. touch-screens according to any one of claim 1-4, it is characterized in that, described laminating glue-line is optical clear glue-line.
12. touch-screens according to any one of claim 1-4, it is characterized in that, the thickness of described support tape equals the thickness of described laminating glue-line.
13. touch-screens according to any one of claim 1-4, it is characterized in that, the thickness of described support tape is 0.2mm-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682966.8U CN204883656U (en) | 2015-09-06 | 2015-09-06 | Contact screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682966.8U CN204883656U (en) | 2015-09-06 | 2015-09-06 | Contact screen |
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|---|---|
| CN204883656U true CN204883656U (en) | 2015-12-16 |
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| CN201520682966.8U Active CN204883656U (en) | 2015-09-06 | 2015-09-06 | Contact screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154614A (en) * | 2016-08-22 | 2016-11-23 | 业成光电（深圳）有限公司 | Antistripping liquid crystal display |
| CN108052226A (en) * | 2017-12-18 | 2018-05-18 | 武汉华显光电技术有限公司 | Detection device, detection method and the control system for processing of touch-control display module |
| CN114020175A (en) * | 2021-11-16 | 2022-02-08 | 江苏盛锐光电科技有限公司 | Touch display device |
| CN115993908A (en) * | 2022-12-27 | 2023-04-21 | 江苏纳美达光电科技有限公司 | Zero-bonding touch screen and bonding method thereof |
-
2015
- 2015-09-06 CN CN201520682966.8U patent/CN204883656U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154614A (en) * | 2016-08-22 | 2016-11-23 | 业成光电（深圳）有限公司 | Antistripping liquid crystal display |
| CN108052226A (en) * | 2017-12-18 | 2018-05-18 | 武汉华显光电技术有限公司 | Detection device, detection method and the control system for processing of touch-control display module |
| CN108052226B (en) * | 2017-12-18 | 2021-04-02 | 武汉华显光电技术有限公司 | Detection device and detection method for touch display module and processing control system |
| CN114020175A (en) * | 2021-11-16 | 2022-02-08 | 江苏盛锐光电科技有限公司 | Touch display device |
| CN115993908A (en) * | 2022-12-27 | 2023-04-21 | 江苏纳美达光电科技有限公司 | Zero-bonding touch screen and bonding method thereof |
| CN115993908B (en) * | 2022-12-27 | 2023-12-01 | 江苏纳美达光电科技有限公司 | Zero-bonding touch screen and bonding method thereof |
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