CN204833207U - Touch -control display device - Google Patents
Touch -control display device Download PDFInfo
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- CN204833207U CN204833207U CN201520549248.3U CN201520549248U CN204833207U CN 204833207 U CN204833207 U CN 204833207U CN 201520549248 U CN201520549248 U CN 201520549248U CN 204833207 U CN204833207 U CN 204833207U
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- touch
- touch control
- flexible pcb
- force snesor
- display apparatus
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Abstract
The utility model relates to a touch -control display device, including the protection apron to and lie in the electric capacity touch -control unit and the display module assembly of protection apron one side, electric capacity touch -control unit is used for obtaining the positional information of touch -control object, still includes the pressure touch -control unit that lies in the display module assembly and keep away from one side of protection apron, pressure touch -control unit is used for acquireing the pressure force information of touch -control object, pressure touch -control unit includes the flexible circuit board and sets up a plurality of force transducer on the flexible circuit board. The utility model discloses an at the integrated force transducer in the back of display module assembly, arrange force transducer in flexible circuit board on, realize the combination of position and the dual detection of pressure, simple structure is compact, can improve human -computer interaction and experience and feel.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of touch control display apparatus of tool pressure sensitive function.
Background technology
At present, there is the products such as intelligent terminal such as mobile phone, panel computer, the televisor of touch controllable function and be subject to extensive favor more and more.The touch controllable function of these products is all realize according to this by arranging touch-screen.
Current touch-screen adopts capacitive touch screen mostly, capacitive touch screen utilizes the electric current of human body to respond to carry out work, namely must carry out touching with the object of conductive material could operate, if user operates with gloves or with the object of isolation material, then touch operation cannot be realized.
Utility model content
Based on this, the utility model aims to provide a kind of touch-screen that can realize isolation material touch operation.
A kind of touch control display apparatus; comprise cover sheet; and be positioned at capacitive touch control unit and the display module of cover sheet side; described capacitive touch control unit is for obtaining the positional information of touch object; also comprise and be positioned at the pressure touch unit of display module away from the side of cover sheet; described pressure touch unit is for obtaining the pressure information of touch object, and described pressure touch unit comprises flexible PCB and is arranged on the multiple force snesor on flexible PCB.
Force snesor, by the integrated force snesor in the back side at display module, is placed on flexible PCB by the utility model, realizes the combination that position and pressure dual detect, simple and compact for structure, can improve man-machine interaction experience feel.
Wherein in an embodiment, described force snesor is piezoelectric sensor, and comprise piezoelectric membrane and the electrode being arranged on piezoelectric membrane both sides, described flexible PCB arranges contact conductor, and described electrode is bonding with contact conductor by conducting resinl.
Wherein in an embodiment, described force snesor is piezoelectric sensor, comprise piezoelectric membrane, described flexible PCB is arranged electrode and the corresponding contact conductor being electrically connected these electrodes, described piezoelectric membrane should be bonding with the electrode pair on flexible PCB by conducting resinl.
Wherein in an embodiment, described force snesor is strain force sensor, comprise metal strain meter or semiconductor strain gauge, described semiconductor strain gauge or metal strain meter to be formed with flexible PCB by conducting resinl and are electrically connected, and semiconductor strain gauge or metal strain meter can produce distortion by pressure thus resistance can change.
Wherein in an embodiment, described force snesor is resistance-type force snesor, comprise the electrode on the organic composite material film mixing conductive particle and the surface being located at composite material film, when pressurized, the resistance between the electrode of composite material film changes.
Wherein in an embodiment, described flexible PCB is bar shaped, shaped as frame or block shape.
Wherein in an embodiment, described display module comprises visible area and is positioned at the non-visible area of periphery, visible area, and described force snesor is placed in the non-visible area of display module.
Wherein in an embodiment, described force snesor is between flexible PCB and display module.
Wherein in an embodiment, described pressure touch unit also comprises the compute chip be arranged on flexible PCB.
Accompanying drawing explanation
The schematic diagram of the touch control display apparatus that Fig. 1 provides for the utility model one embodiment.
Fig. 2 is the plan structure schematic diagram of the pressure touch unit in touch control display apparatus shown in Fig. 1.
The structural representation of the touch control display apparatus that Fig. 3 provides for another embodiment of the utility model.
The structural representation of the touch control display apparatus that Fig. 4 provides for the another embodiment of the utility model.
Fig. 5 with Fig. 6 is respectively the structural representation of flexible PCB in the pressure touch unit that the different embodiment of the utility model provides.
Embodiment
As shown in fig. 1, the touch control display apparatus that the utility model one embodiment provides, comprises cover sheet 10, capacitive touch control unit 20 from top to bottom successively, display module 30, and pressure touch unit 40.
Cover sheet 110 can be tempered glass cover plate, plastic cover plate, polymethylmethacrylate (PMMA) cover plate etc.
Capacitive touch control unit 20 comprises multiple drive electrode and induction electrode; these two kinds of touch control electrode can be distributed in same base material; or be distributed in two different base materials respectively, namely capacitive touch control unit 20 and cover sheet 10 can be formed as the structures such as GF, GFF or OGS alleged by industry.Touch control electrode leads to a place by silver slurry, and bound by the flexible printed circuit board of anisotropic conductive (ACF) and capacitive touch control unit 20, the chip of capacitive touch control unit 20 can be on flexible printed circuit board or touch control display apparatus (such as mobile phone) mainboard on.Capacitive touch control unit 20 can detect by capacity coupled mode the precise position information obtaining multiple touch object.
Display module 30 is arranged on the side of capacitive touch control unit 20 away from cover sheet 10.Be appreciated that showing module 30 in certain embodiments can integrate with capacitive touch control unit 20 and be set together.
Pressure touch unit 40 is arranged on the side of display module 30 away from cover sheet 10.Described pressure touch unit 40 is for obtaining the pressure information of touch object.Described pressure touch unit 40 comprises flexible PCB 41 and is arranged on the multiple force snesor on flexible PCB 41.
As shown in Figures 1 and 2, force snesor is piezoelectric sensor, comprise piezoelectric membrane 42 and the electrode 421,422 being arranged on piezoelectric membrane 42 both sides, described flexible PCB 41 is arranged contact conductor 411,412, described electrode 421,422 is by conducting resinl 60 and contact conductor 411,412 bonding.
The schematic diagram of the touch control display apparatus that Fig. 3 provides for another embodiment of the utility model, its force snesor is piezoelectric sensor, comprises piezoelectric membrane 42 and the electrode 421,422 being arranged on piezoelectric membrane 42 both sides.Described flexible printed circuit board 41 comprises base material 413, lower base material 411 and separation layer 70 and forms, contact conductor (not shown) is provided with at the lower surface of upper base material 413, and to be formed by conducting resinl 60 with the electrode 421 of piezoelectric membrane and be electrically connected, there is contact conductor at the upper surface of lower base material 411, and to be formed by conducting resinl 60 with the electrode 422 of piezoelectric membrane and be electrically connected.Acting as of separation layer 70 prevents the contact conductor on base material 43 and lower base material 41 surface to be short-circuited.Meanwhile, the non-piezoelectric thin membrane regions in flexible printed circuit board, by the mode of through hole, guides to the surface of lower base material 411, so that be electrically connected with external unit by the contact conductor of upper base material 413.
As shown in Figure 4, in another embodiment, on the upper base material 413 that described electrode 421,422 directly can be respectively formed at flexible printed circuit board 41 respectively and lower base material 411, and connect with corresponding contact conductor.The relative two sides of the piezoelectric membrane 42 of described piezoelectric force transducer bonds respectively by conducting resinl 60 and the electrode 421 on upper base material 413 and the electrode 422 on lower base material 411.
When piezoelectric sensor is stressed, the both sides up and down of piezoelectric membrane 42 can produce induced charge, by realizing the detection of the size of the power touching object to the detection of induced charge.
In certain embodiments, described pressure touch unit 40 also comprises the compute chip (not shown) be arranged on flexible PCB 41.When piezoelectric membrane 42 is stressed, its upper and lower both side surface produces induced charge, charge signal transmission is carried out by upper/lower electrode 421,422, and by conducting resinl 60, and the respective lines in flexible PCB 41 transfers to the processing apparatus such as compute chip, can process signal, change, set up the corresponding relation of touch pressure and signal.
In other embodiments, described force snesor also can be other types, and such as described force snesor is strain force sensor, resistance-type force snesor.When for strain force sensor, described force snesor can be metal strain meter or semiconductor strain gauge.Such as semiconductor strain gauge comprises semiconductive thin film and is produced on resistor stripe on semiconductive thin film, and described resistor stripe to be formed with flexible PCB by conducting resinl and is electrically connected.Semiconductive thin film can be silicon thin film or germanium film etc.Resistor stripe is produced on semiconductive thin film by semiconductor technology.Resistor stripe self, or the circuit in resistor stripe and flexible PCB can form testing circuit.When strain force sensor, by during external force, deformation occurs, thus cause resistance to change, and then by detecting the change of resistance, or the change in voltage in testing circuit sets up the corresponding relation with touch pressure, thus realize the detection of the size of the power touching object.When described force snesor is the resistance-type force snesor be made up of the organic composite material film mixing conductive particle, there is electrode in the surface of composite material film, and can pass through the modes such as conducting resinl, evaporation, silk-screen and flexible PCB and formed and be electrically connected.When being subject to the pressure perpendicular to material at force snesor, the resistance value of the resistance formed between the surface electrode of composite material film can change, and therefore can be realized by the change detecting resistance measuring the pressure put on force snesor.
In certain embodiments, the flexible PCB 41 of described pressure touch unit 40 can share with the flexible printed circuit board in capacitive touch control unit 20, thus improves the degree of integration of whole touch control display apparatus, thinning touch control display apparatus.
The flexible PCB 41 of described pressure touch unit 40 can be block shape as shown in Figure 2, also can be bar shaped as shown in Figure 5, also can be the ring-type shown in Fig. 6 simultaneously.Force snesor can be arranged on multiple positions of flexible PCB 41.In certain embodiments, described display module 30 comprises visible area and is positioned at the non-visible area of periphery, visible area, and described force snesor is placed in the non-visible area of display module 30.Multiple force snesor can be contained, as 1-8 in described flexible PCB.
As shown in fig. 1, described force snesor is between flexible PCB 41 and display module 30.Described force snesor is by the optical cements such as common glue such as OCA 50 and display module 30 fixed bonding.
Force snesor, by the integrated force snesor in the back side at display module, is placed on flexible PCB by the utility model, realizes the combination that position and pressure dual detect, simple and compact for structure, can improve man-machine interaction experience feel.
Touch control display apparatus of the present utility model can be used for the products such as mobile phone, panel computer, televisor.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a touch control display apparatus; comprise cover sheet; and be positioned at capacitive touch control unit and the display module of cover sheet side; described capacitive touch control unit is for obtaining the positional information of touch object; it is characterized in that; also comprise and be positioned at the pressure touch unit of display module away from the side of cover sheet, described pressure touch unit is for obtaining the pressure information of touch object, and described pressure touch unit comprises flexible PCB and is arranged on the multiple force snesor on flexible PCB.
2. touch control display apparatus according to claim 1, it is characterized in that, described force snesor is piezoelectric sensor, comprises piezoelectric membrane and the electrode being arranged on piezoelectric membrane both sides, described flexible PCB arranges contact conductor, and described electrode is bonding with contact conductor by conducting resinl.
3. touch control display apparatus according to claim 1, it is characterized in that, described force snesor is piezoelectric sensor, comprise piezoelectric membrane, described flexible PCB is arranged electrode and the corresponding contact conductor being electrically connected these electrodes, described piezoelectric membrane should be bonding with the electrode pair on flexible PCB by conducting resinl.
4. touch control display apparatus according to claim 1, it is characterized in that, described force snesor is strain force sensor, comprise metal strain meter or semiconductor strain gauge, described semiconductor strain gauge or metal strain meter to be formed with flexible PCB by conducting resinl and are electrically connected, and semiconductor strain gauge or metal strain meter can produce distortion by pressure thus resistance can change.
5. touch control display apparatus according to claim 1, it is characterized in that, described force snesor is resistance-type force snesor, comprise the electrode on the organic composite material film mixing conductive particle and the surface being located at composite material film, when pressurized, the resistance between the electrode of composite material film changes.
6. touch control display apparatus according to claim 1, is characterized in that, described flexible PCB is bar shaped, shaped as frame or block shape.
7. touch control display apparatus according to claim 1, is characterized in that, described display module comprises visible area and is positioned at the non-visible area of periphery, visible area, and described force snesor is placed in the non-visible area of display module.
8. touch control display apparatus according to claim 1, is characterized in that, described force snesor is between flexible PCB and display module.
9. touch control display apparatus according to claim 1, is characterized in that, described pressure touch unit also comprises the compute chip be arranged on flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520549248.3U CN204833207U (en) | 2015-07-27 | 2015-07-27 | Touch -control display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520549248.3U CN204833207U (en) | 2015-07-27 | 2015-07-27 | Touch -control display device |
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| CN204833207U true CN204833207U (en) | 2015-12-02 |
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| CN201520549248.3U Active CN204833207U (en) | 2015-07-27 | 2015-07-27 | Touch -control display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353923A (en) * | 2015-12-18 | 2016-02-24 | 金龙机电（东莞）有限公司 | Pressure sensing touch screen and electronic touch vibration equipment |
| CN106406588A (en) * | 2015-07-27 | 2017-02-15 | 南昌欧菲光科技有限公司 | Touch control display device |
-
2015
- 2015-07-27 CN CN201520549248.3U patent/CN204833207U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406588A (en) * | 2015-07-27 | 2017-02-15 | 南昌欧菲光科技有限公司 | Touch control display device |
| CN106406588B (en) * | 2015-07-27 | 2024-07-12 | 安徽精卓光显技术有限责任公司 | Touch display device |
| CN105353923A (en) * | 2015-12-18 | 2016-02-24 | 金龙机电（东莞）有限公司 | Pressure sensing touch screen and electronic touch vibration equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |