CN203025676U - Capacitive touch screen device - Google Patents
Capacitive touch screen device Download PDFInfo
- Publication number
- CN203025676U CN203025676U CN 201220746264 CN201220746264U CN203025676U CN 203025676 U CN203025676 U CN 203025676U CN 201220746264 CN201220746264 CN 201220746264 CN 201220746264 U CN201220746264 U CN 201220746264U CN 203025676 U CN203025676 U CN 203025676U
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- China
- Prior art keywords
- cover plate
- flexible pcb
- solder joint
- adhesive glue
- touch screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a capacitive touch screen device which comprises a first cover plate, a first flexible printed circuit board (FPCB), a first bonding adhesive used for sticking the first FPCB onto the first cover plate, a second cover plate formed by an indium tin oxide (ITO) glass substrate, and a second bonding adhesive used for sticking the second cover plate onto the first cover plate, wherein the ITO glass substrate is electrically connected with the first FPCB by a first welding spot; the value range of the wiring width of the first welding spot is 0.5-1.5cm; and the value range of the distance between the first welding spot and the first bonding adhesive is 0.5-3cm. According to the structure of the welding spot of the FPCB, the problem that the adhesiveness of the bonding adhesive is influenced can be solved by reducing the wiring width of the welding spot and prolonging the distance between the welding spot and the bonding adhesive; and the capacitive touch screen device has a key function for improving the production efficiency and the product quality of capacitive touch screen products.
Description
Technical field
The utility model relates to the touch-screen field, relates in particular to a kind of capacitance touch screen device.
Background technology
At present, it is more and more extensive that the range of application of touch screen technology has become, from the control/operating system of the shop equipment of industrial use, the electronic enquiry facility of public information, the cash machine of commercial use, all can see the figure of Touch Screen to the mobile phone of consumer electronics, PDA, digital camera etc.Especially in recent years due to the appearance of apple smart mobile phone, capacitive touch screen has obtained using widely.the fast development of modernization industry, make the production of product and supportingly carry out the detailed division of labor in society, during as the production of intelligent mobile phone, each accessory is as wiring board, display screen, touch-screen, shell, battery, adapter, the parts such as packing can be produced separately by a plurality of producers or a plurality of department, assembly plant by specialty carries out the smart mobile phone device assembles again, complete whole production and sale, therefore need the Cellphone Accessories product that each producer and department produce is carried out standardization and scale existence in this process, can carry out large-scale production to reach assembly plant, and effectively improve the product quality texts.
the front signal of touch panel device of the prior art as shown in Figure 1, this device is by the first cover plate 1, the first flexible PCB 3, the second flexible PCB 7, the first flexible PCB 3 is fitted in the first adhesive glue 2 of the first cover plate 1, the second cover plate 5 and the second adhesive glue (not shown) composition that the second cover plate 5 is fitted in the first cover plate 1, wherein, the second cover plate 5 is connected with the first flexible PCB 3 by the first solder joint 31, the second cover plate 5 is connected with the second flexible PCB 7 by the second solder joint 71, the first flexible PCB 3 and the second flexible PCB 7 all adopt the design of long limit, namely the wiring width of the first solder joint 31 and the second solder joint 71 is longer, the wiring width 331 of the first solder joint 31 for example, this wiring width 331 is generally greater than 2CM, can produce capillarity when fitting the first flexible PCB 3, and flow to its virtual key district 32 along the first flexible PCB 3, this virtual key district 32 is attached on the first cover plate 1 by the first adhesive glue, simultaneously because the spacing 332 between virtual key district 32 and the first adhesive glue 2 is less, this spacing 332 is generally less than 0.3CM, the first adhesive glue 2 that flows out by capillarity so just is easy to flow to the bonding end in virtual key district 32, thereby affect the degree of adhesion of the first adhesive glue 2, cause the problems such as bonding end comes unstuck, and then affect the quality of product.
The utility model content
The technical problems to be solved in the utility model is, easily produces capillarity and the defective that affects degree of adhesion when fitting for prior art, provides a kind of and can not produce capillarity and solve the capacitance touch screen device that affects the degree of adhesion problem.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of capacitance touch screen device is provided, its by the first cover plate, the first flexible PCB, with described the first flexible PCB fit in the first adhesive glue of described the first cover plate, the second cover plate of being formed by ito glass substrate and the second adhesive glue that described the second cover plate fits in described the first cover plate is formed, described ito glass substrate is made by transparent conductive material; Described ito glass substrate is electrically connected to described the first flexible PCB by the first solder joint, and wherein, the span of described the first solder joint is 0.5CM to 1.5CM, and the span of the distance between described the first solder joint and described the first adhesive glue is 0.5CM to 3CM.
In device described in the utility model, described device also comprises the second flexible PCB that is electrically connected to by the second solder joint with described ito glass substrate.
In device described in the utility model, the distance between described the first solder joint and described the first adhesive glue is 0.8CM.
In device described in the utility model, described the first flexible PCB and described the second flexible PCB are expanded respectively the first virtual key and the second virtual key.
In device described in the utility model, described the first adhesive glue is heat-sensitive glue, pressure sensitive adhesive or glue.
In device described in the utility model, described the second adhesive glue is solid-state glue.
In device described in the utility model, described the first cover plate is tempered glass.
In device described in the utility model, described device also comprises the diaphragm that fits in described the second cover plate and protect described the second cover plate.
In device described in the utility model, described the second cover plate is touch-screen.
Implement the technical solution of the utility model, has following beneficial effect: according to the welding spot structure of flexible PCB, by dwindling the wiring width of solder joint, increase simultaneously the distance between solder joint and adhesive glue, thereby solved the problem of the viscosity that affects adhesive glue, and to the capacitance touch screen products aborning the lifting of efficient and product quality played crucial effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the front schematic view of the utility model touch panel device of the prior art;
Fig. 2 is the side schematic view of the utility model capacitance touch screen device;
Fig. 3 is the front schematic view of the utility model capacitance touch screen device.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
please in conjunction with consulting Fig. 2 and Fig. 3, wherein, Fig. 2 is the side schematic view of the utility model capacitance touch screen device, Fig. 3 is the front schematic view of the utility model capacitance touch screen device, as shown in Fig. 2 and 3, this capacitance touch screen device is by the first cover plate 1, the first flexible PCB 3, the second flexible PCB 7, described the first flexible PCB 3 is fitted in the first adhesive glue 2 of described the first cover plate 1, the second cover plate 5 that is formed by ITO (nano indium tin metal oxide) glass substrate and the second adhesive glue 6 that described the second cover plate 5 fits in described the first cover plate 1 is formed, in the present embodiment, described device also comprises the second flexible PCB 7 and fits in described the second cover plate 5 and protect the diaphragm 4 of described the second cover plate 5, those skilled in the art should understand, in other embodiment, the second flexible PCB 7 and diaphragm 4 can omit, do not give unnecessary details one by one at this.
Preferably, described the first cover plate 1 is tempered glass; Described the second cover plate 5 is touch-screen, and in actual production process, the first cover plate 1 and the second cover plate 5 that the user can satisfy the demands according to the process characteristic selection of product do not repeat them here.
It should be explained that, described ito glass substrate is made by transparent conductive material, and wherein, described ito glass substrate is electrically connected to described the first flexible PCB 3 by the first solder joint 31, correspondingly, described ito glass substrate is electrically connected to described the second flexible PCB 7 by the second solder joint 71.
it should be noted that, the span of the wiring width of described the first solder joint 31 is 0.5CM to 1.5CM, in the present embodiment, the solder joint 71 of the second flexible PCB 7 has the wiring width and gets final product, at this, this wiring width is not limited, should be noted that, the occurrence of the wiring width of this first solder joint 31 can arrange according to the welding spot structure of flexible PCB, in the present embodiment, take the wiring width 333 of the first solder joint 31 as example, compare greater than 2CM with the wiring width 331 of the first solder joint 31 in Fig. 1, dwindled the wiring width 333 of the first solder joint 31, so just can not produce in prior art due to the long problem that easily produces capillarity of the wiring width of solder joint.
simultaneously, the span of the distance between described the first solder joint 31 and described the first adhesive glue 2 is 0.5CM to 3CM, should be noted that, distance between this first solder joint 31 and the first adhesive glue 2 also can arrange according to the welding spot structure of flexible PCB, in the present embodiment, take the distance 334 between the first solder joint 31 and the first adhesive glue 2 as example, compare less than 0.3CM with the distance 332 between the first adhesive glue 2 with the first solder joint 31 in Fig. 1, increased the distance 334 between the first solder joint 31 and the first adhesive glue 2, thereby solved the problem of the viscosity that affects the first adhesive glue 2, preferably, facts have proved, distance 334 between the first solder joint 31 and the first adhesive glue 2 is 0.8CM.
In the present embodiment, described the first flexible PCB 3 and described the second flexible PCB 7 are expanded respectively the first virtual key 32 and the second virtual key 72, should be noted that, in other embodiments, the first flexible PCB 3 and the second flexible PCB 7 all can be expanded a plurality of virtual keys, do not repeat them here.
In the present embodiment, described the first adhesive glue 2 is heat-sensitive glue, pressure sensitive adhesive or glue, and this first adhesive glue 2 has the advantages that light transmission is high and be easy to solidify, and in other embodiment, the first adhesive glue 2 can be other solid-state glue.
Preferably, described the second adhesive glue 6 is solid-state glue, and in this enforcement, the user can select double faced adhesive tape, in other embodiments, also can select other solid-state glue, does not repeat them here.
Compared to prior art, welding spot structure according to flexible PCB, by dwindling the wiring width of solder joint, increase simultaneously the distance between solder joint and adhesive glue, thereby solved the problem of the viscosity that affects adhesive glue, and to the capacitance touch screen products aborning the lifting of efficient and product quality played crucial effect.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present utility model.
Claims (9)
1. capacitance touch screen device, its by the first cover plate (1), the first flexible PCB (3), with described the first flexible PCB (3) fit in first adhesive glue (2) of described the first cover plate (1), the second cover plate (5) of being formed by ito glass substrate and the second adhesive glue (6) that described the second cover plate (5) fits in described the first cover plate (1) is formed, described ito glass substrate is made by transparent conductive material; It is characterized in that, described ito glass substrate is electrically connected to described the first flexible PCB (3) by the first solder joint (31), wherein, the span of the wiring width of described the first solder joint (31) is 0.5CM to 1.5CM, and the span of the distance between described the first solder joint (31) and described the first adhesive glue (2) is 0.5CM to 3CM.
2. device according to claim 1, is characterized in that, described device also comprises the second flexible PCB (7) that is electrically connected to by the second solder joint (71) with described ito glass substrate.
3. device according to claim 1, is characterized in that, the distance between described the first solder joint (31) and described the first adhesive glue (2) is 0.8CM.
4. device according to claim 2, is characterized in that, described the first flexible PCB (3) and described the second flexible PCB (7) are expanded respectively the first virtual key (32) and the second virtual key (72).
5. device according to claim 1, is characterized in that, described the first adhesive glue (2) is heat-sensitive glue, pressure sensitive adhesive or glue.
6. device according to claim 1, is characterized in that, described the second adhesive glue (6) is solid-state glue.
7. device according to claim 1, is characterized in that, described the first cover plate (1) is tempered glass.
8. device according to claim 1, is characterized in that, described device also comprises the diaphragm (4) that fits in described the second cover plate (5) and protect described the second cover plate (5).
9. device according to claim 8, is characterized in that, described the second cover plate (5) is touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746264 CN203025676U (en) | 2012-12-29 | 2012-12-29 | Capacitive touch screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746264 CN203025676U (en) | 2012-12-29 | 2012-12-29 | Capacitive touch screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025676U true CN203025676U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746264 Expired - Fee Related CN203025676U (en) | 2012-12-29 | 2012-12-29 | Capacitive touch screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203025676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999242A (en) * | 2012-12-29 | 2013-03-27 | 深圳市长江力伟股份有限公司 | Capacitive touch screen device and preparation method thereof |
-
2012
- 2012-12-29 CN CN 201220746264 patent/CN203025676U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999242A (en) * | 2012-12-29 | 2013-03-27 | 深圳市长江力伟股份有限公司 | Capacitive touch screen device and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20150525 Granted publication date: 20130626 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161125 Granted publication date: 20130626 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |