CN205451003U - Forced induction touch -sensitive screen - Google Patents
Forced induction touch -sensitive screen Download PDFInfo
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- CN205451003U CN205451003U CN201521073865.7U CN201521073865U CN205451003U CN 205451003 U CN205451003 U CN 205451003U CN 201521073865 U CN201521073865 U CN 201521073865U CN 205451003 U CN205451003 U CN 205451003U
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- pressure sensitive
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Abstract
An embodiment of the utility model provides a forced induction touch -sensitive screen for solve the complicated and high problem of manufacturing cost of structure among the prior art. The embodiment of the utility model provides a technical scheme does of forced induction touch -sensitive screen: forced induction touch -sensitive screen is including dress trim cover sheet layer, touch functional layer, forced induction functional layer, FPC layer, dress trim cover sheet layer the touch functional layer with the forced induction functional layer is set gradually under to and two double -phase connecing by last, be equipped with pressure sensing touch panel controller on the FPC layer, the forced induction functional layer includes displacement sensor, electrode layer and base plate, displacement sensor the electrode layer with the base plate from top to bottom sets gradually and two double -phase connecing, the electrode layer with the touch functional layer all with the FPC layer is connected.
Description
Technical field
This utility model relates to touch control technical field, particularly relates to a kind of pressure sensitive touch screen.
Background technology
Along with the high speed development of Intellectualized Tendency, touch class of electronic devices and the most gradually popularize.There are Wearable electronic product, mobile phone, panel computer, computer, touch pad, DTV, vehicular touch screen and other touch electronic product at present.
Touch screen is that induced signal is converted into digital signal by one, it is achieved the device of man-machine interaction.When any button on contact screen, by gathering finger or conducting medium produced capacitance variations when touching with substrate, again by the numeral conversion of integrated circuit, output finger or the concrete coordinate of conducting medium touch-control, it is possible to sense touch location.Preferably touch screen can not only sense touch location, but also touch pressure can be sensed, an extra degree of freedom is provided for touch input, and adapt to different pressure input modes, such as drawing, click on F.F. and distinguish in fast forward speed, game according to dynamics and various turn to and accelerate control etc..Accordingly, it is capable to the touch screen of induction pressure is also one of study hotspot of this area.Pressure sensitive, refer to by finger sensing or the generation of conducting medium pressure and change, realized the change of electrical data again by pressure sensing touch screen controller, it is processed after receiving electrical data and produces instruction by electronic product CPU, finally reaches pressure and indirectly realizes the process of instruction.
Prior art is existed a kind of covering by transparent pressure sensor and constitutes pressure sensitive touch screen at display surface, but this transparent pressure sensor construction is complicated, requires higher to manufacturing process, causes high expensive, less use in actual application.
Utility model content
This utility model embodiment provides a kind of pressure sensitive touch screen, for solving the problem that structure of the prior art is complicated and manufacturing cost is high.
The technical scheme of this utility model embodiment a kind of pressure sensitive touch screen is:
Pressure sensitive touch screen includes trim flaggy, touch function layer, pressure sensitive functional layer, FPC layer；
Described trim flaggy, described touch function layer and described pressure sensitive functional layer set gradually from top to bottom and connect two-by-two, and described FPC layer is provided with pressure sensing touch screen controller；Described pressure sensitive functional layer includes that displacement transducer, electrode layer and substrate, institute's displacement sensors, described electrode layer and described substrate from top to bottom set gradually and connect two-by-two, and described electrode layer and described touch function layer are all connected with described FPC layer.
Preferably; in the technical scheme of above-mentioned pressure sensitive touch screen; institute's displacement sensors is made up of rigid insulation protective layer, thin elastic insulating layer and conductive layer; described rigid insulation protective layer, described thin elastic insulating layer and described conductive layer set gradually from top to bottom and connect two-by-two, and described conductive layer is connected with described electrode layer.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, institute's displacement sensors quantity is 4 or more than 4, and the number of, lines on described electrode layer is identical with the quantity of institute's displacement sensors.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, described thin elastic insulated layer thickness is 10um～75um.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, described trim flaggy is connected by the first glue-line with described touch function layer, and described touch function layer is connected by mouth word glue-line with described pressure sensitive functional layer.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, described first glue-line is optical cement layer.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, described mouth word glue-line is the transparent of middle hollow out or nontransparent glue-line, and thickness is 20um～75um.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, described trim flaggy is transparent material layer, and described transparent material layer is the one in safety glass, lucite, hot bending safety glass, hot bending lucite or transparent plastic.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, the structure of described touch function layer is single-layer membrane structure, double membrane structure, single-glass structure or the one of double-layer glass structure.
Preferably, in the technical scheme of above-mentioned pressure sensitive touch screen, described substrate is the transparent of middle hollow out or nontransparent dielectric film material, and its thickness is 30um～100um.
As can be seen from the above technical solutions, this utility model embodiment has the advantage that
In this utility model embodiment, pressure sensitive touch screen is except including that touch function layer is in addition to judging the change in location touched, it is additionally provided with pressure sensitive functional layer, pressure sensitive functional layer includes displacement transducer, electrode layer and substrate, when applying active force on pressure sensitive touch screen, the displacement transducer of pressure sensitive functional layer can detect that pressure changes, and can realize pressure sensitive touch controllable function.Comparing traditional touch screen, pressure sensitive functional layer is positioned at the lower section of touch function layer, both can be with the positional information in detection level direction, it is also possible to the pressure information of detection vertical direction, simple in construction and low cost of manufacture.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiment 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 the accompanying drawing provided.
Fig. 1 is the decomposition texture schematic diagram of a kind of pressure sensitive touch screen in this utility model embodiment；
Fig. 2 is the folded structure schematic diagram of a kind of pressure sensitive touch screen in this utility model embodiment；
Fig. 3 is the detailed schematic of the a-quadrant of a kind of pressure sensitive touch screen of Fig. 2；
Fig. 4 is the detailed schematic in the B region of a kind of pressure sensitive touch screen of Fig. 3；
Fig. 5 is the detailed schematic in the C region of a kind of pressure sensitive touch screen of Fig. 4；
Illustrate: trim flaggy 11, glue-line 22, touch function layer 33, mouth word glue-line 44, pressure sensitive functional layer 55, FPC layer 66, pressure sensing touch screen controller 601, displacement transducer 500, electrode layer 504, substrate 505, rigid insulation protective layer 501, thin elastic insulating layer 502 and conductive layer 503.
Detailed description of the invention
This utility model embodiment provides a kind of pressure sensitive touch screen, for solving the problem that structure of the prior art is complicated and manufacturing cost is high.
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.
Referring to Fig. 1 to Fig. 5, the concrete technical scheme of this utility model embodiment a kind of pressure sensitive touch screen is:
Pressure sensitive touch screen includes trim flaggy 11, touch function layer 33, pressure sensitive functional layer 55, FPC layer 66；Trim flaggy 11, touch function layer 33 and pressure sensitive functional layer 55 set gradually from top to bottom, FPC layer 66 is provided with pressure sensing touch screen controller 601, pressure sensitive functional layer 55 includes that displacement transducer 500, electrode layer 504 and substrate 505, electrode layer 504 and touch function layer 33 are all connected with pressure sensing touch screen controller 601 the most successively.
Technique scheme is used to provide the benefit that:
In this utility model embodiment, pressure sensitive touch screen is except including that touch function layer is in addition to judging the change in location touched, it is additionally provided with pressure sensitive functional layer, pressure sensitive functional layer includes displacement transducer, electrode layer and substrate, when applying active force on pressure sensitive touch screen, the displacement transducer of pressure sensitive functional layer can detect that pressure changes, and can realize pressure sensitive touch controllable function.Compare traditional touch screen, both can be with the positional information in detection level direction, it is also possible to detection vertical direction pressure information, enrich software application designer imagination space and play space, strengthen man-machine between haptic interaction.
Separately below trim flaggy 11, touch function layer 33, pressure sensitive functional layer 55, FPC layer 66 are described in detail.
(1) trim flaggy 11
Trim flaggy 11 is the support member of whole pressure sensitive touch screen, it is desirable to have certain rigid, and it is transparent material, can be the one in safety glass, lucite, hot bending safety glass, hot bending lucite or transparent plastic.
(2) touch function layer 33
Touch function layer 33 can be connected with trim flaggy 11 by the first glue-line 22, first glue-line 22 is optical cement layer, optical cement layer is special adhesive, its water white transparency, light transmission rate are more than 91%, it should be noted that, first is only the differentiation effect playing title, does not have physical meaning, and the first glue-line 22 also can be stated with glue-line 22.
The structure of touch function layer 33 is the one in single-layer membrane structure, double membrane structure, single-glass structure and double-layer glass structure.Conductive pattern on touch function layer 33 is realized with laser, etching or exposure imaging on insulating film layer or glass by conductive material.Conductive pattern is connected with pressure sensing touch screen controller 601 by binding FPC layer 66 after drawing cabling.
Trim flaggy 11 is at surface location, touch function layer 33 is pasted onto below trim flaggy 11 by glue-line 22 and constitutes touch layer, pass to process on pressure sensing touch screen controller 601 by capacitance variations value by this touch layer, it is possible to determine touched position by electronic equipment.
(3) pressure sensitive functional layer 55
Pressure sensitive functional layer 55 is connected with touch function layer 33 by mouth word glue-line 44, and mouth word glue-line 44 be the transparent of centre hollow out or nontransparent glue-line, can be optical cement layer or common glue-line, and its thickness is 20um～75um.
Pressure sensitive functional layer 55 is made up of displacement transducer 500, electrode layer 504 and substrate 505.
Displacement transducer 500 is made up of rigid insulation protective layer 501, thin elastic insulating layer 502 and conductive layer 503.Rigid insulation protective layer 501 is low elasticity insulant, is used for protecting thin elastic insulating layer 502 and conductive layer 503 not by ectocine.Thin elastic insulating layer 502 thickness is 10um～75um, the action from the touch pressure deformation on trim flaggy 11 and touch function layer 33 can be sensed, and then producing corresponding capacitive sensing signal, this capacitive sensing signal is given to FPC layer 66 pressure sensing touch screen controller 601 above by electrode layer 504 output being connected with displacement transducer 500.Conductive layer 503 is connected on electrode layer 504 by overlapping mode.
The quantity of displacement transducer 500 is 4 or more than 4, its position can be uniformly distributed, can also non-uniform Distribution, pressure-sensitivity can be adjusted by the size of displacement transducer 500 and quantity, and in displacement transducer 500, at least a displacement transducer deforms upon when being under pressure.Each displacement transducer 500 is the most all discrete.
Electrode layer 504 can be formed at circuit on substrate 505 surface by the way of deposition or silk-screen, and the position of circuit is the non-vacancy section of substrate.Number of, lines on electrode layer 504 is identical with the quantity of displacement transducer 500, and circuit can be transparent or nontransparent, and live width scope is 20um～120um.
Substrate 505 is the transparent of middle hollow out or nontransparent dielectric film material, and its thickness is 30um～100um.
(4) FPC layer
FPC (FlexiblePrintedCircuit) is also known as flexible PCB or FPC, and FPC is mainly used in a lot of product such as mobile phone, notebook computer, PDA, digital camera, LCM, computer, telephone set, relay, gyroscope, guided missile, automobile instrument.FPC flexible printed circuit is to have height reliability, excellent pliable printed circuit with polyimides or mylar for the one that base material is made.
FPC layer 66 is made with polyimides or mylar for base material, is connected on the pressure sensing touch screen controller 601 on FPC layer 66 by touch function layer 33 by the way of binding together with pressure sensitive functional layer 55.Pressure sensing touch screen controller 601 is bonded at above FPC layer 66 by the way of SMT.The capacitance variations value that the thickness of thin elastic insulating layer 502 is changed and causes by pressure sensing touch screen controller 601 is converted to the form of the signal of telecommunication.
The operation principle of the pressure sensitive touch screen in this utility model embodiment is:
When active force acts on trim flaggy 11 surface, trim flaggy 11, glue-line 22, touch function layer 33 and pressure sensitive functional layer 55 have certain downward deformation, and its deformation quantity depends on the physical size on pressure sensitive touch screen, the Young's modulus of trim flaggy 11, the size of displacement transducer 500 material, the Young's modulus of displacement transducer 500.Each displacement transducer 500 detects the change according to thin elastic insulating layer 502 thickness on displacement transducer 500 of the deformation size.Such as, apply outer active force in trim flaggy 11 surface, deformation from active force displacement transducer 500 farther out is less than the deformation of the displacement transducer 500 near active force, forming a bell curved surface, after being collected by all of displacement transducer 500 reading, size and shape to its bell curved surface is analyzed determining the size and location of active force.Pressure sensing touch screen controller 601 can process the information of touch location and press pressure simultaneously.And this pressure sensing touch screen controller 601 can check 1 some position to 10 points and press pressure information simultaneously.
Compared with prior art, a kind of pressure sensitive touch screen that this utility model provides, comprise trim flaggy 11, glue-line 22, touch function layer 33, mouth word glue-line 44, pressure sensitive functional layer 55, FPC layer 66, trim flaggy 11 is at surface location, touch function layer 33 is pasted onto below trim flaggy 11 by glue-line 22, pressure sensitive functional layer 55 is pasted together by mouth word glue-line 44 and touch function layer 33, FPC layer 66 is bundled in touch function layer 33 and pressure sensitive functional layer 55 simultaneously, on the pressure sensing touch screen controller 601 that touch function layer 33 is connected on FPC together with pressure sensitive functional layer 55.Compared with prior art, a kind of pressure sensitive touch screen that this utility model embodiment provides, have only to by increasing simple mouth word glue-line 44 and pressure sensitive functional layer 55, by change in location and the pressure change of pressure sensitive functional layer 55 of single chips detection touch function layer 33, pressure sensitive touch controllable function can be realized.Compare traditional touch screen, both can be with the positional information in detection level direction, it is also possible to the pressure information of detection vertical direction, enrich the imagination space of software application designer further and play space, strengthen man-machine between haptic interaction, simple in construction and only need relatively low cost.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, it is referred to the corresponding process in preceding method embodiment, does not repeats them here.
The above, above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.
Claims (10)
1. a pressure sensitive touch screen, it is characterised in that including:
Trim flaggy, touch function layer, pressure sensitive functional layer, FPC layer；
Described trim flaggy, described touch function layer and described pressure sensitive functional layer set gradually from top to bottom and connect two-by-two, and described FPC layer is provided with pressure sensing touch screen controller；Described pressure sensitive functional layer includes that displacement transducer, electrode layer and substrate, institute's displacement sensors, described electrode layer and described substrate from top to bottom set gradually and connect two-by-two, and described electrode layer and described touch function layer are all connected with described FPC layer.
Pressure sensitive touch screen the most according to claim 1; it is characterized in that; institute's displacement sensors is made up of rigid insulation protective layer, thin elastic insulating layer and conductive layer; described rigid insulation protective layer, described thin elastic insulating layer and described conductive layer set gradually from top to bottom and connect two-by-two, and described conductive layer is connected with described electrode layer.
Pressure sensitive touch screen the most according to claim 2, it is characterised in that institute's displacement sensors quantity is 4 or more than 4, and the number of, lines on described electrode layer is identical with the quantity of institute's displacement sensors.
Pressure sensitive touch screen the most according to claim 3, it is characterised in that described thin elastic insulated layer thickness is 10um～75um.
Pressure sensitive touch screen the most according to any one of claim 1 to 4, it is characterised in that described trim flaggy is connected by the first glue-line with described touch function layer, described touch function layer is connected by mouth word glue-line with described pressure sensitive functional layer.
Pressure sensitive touch screen the most according to claim 5, it is characterised in that described first glue-line is optical cement layer.
Pressure sensitive touch screen the most according to claim 6, it is characterised in that described mouth word glue-line is the transparent of middle hollow out or nontransparent glue-line, and thickness is 20um～75um.
Pressure sensitive touch screen the most according to claim 1, it is characterised in that described trim flaggy is transparent material layer, described transparent material layer is the one in safety glass, lucite, hot bending safety glass, hot bending lucite or transparent plastic.
Pressure sensitive touch screen the most according to claim 1, it is characterised in that the structure of described touch function layer is single-layer membrane structure, double membrane structure, single-glass structure or the one of double-layer glass structure.
Pressure sensitive touch screen the most according to claim 1, it is characterised in that described substrate is the transparent of middle hollow out or nontransparent dielectric film material, and its thickness is 30um～100um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073865.7U CN205451003U (en) | 2015-12-18 | 2015-12-18 | Forced induction touch -sensitive screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073865.7U CN205451003U (en) | 2015-12-18 | 2015-12-18 | Forced induction touch -sensitive screen |
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| CN205451003U true CN205451003U (en) | 2016-08-10 |
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| CN201521073865.7U Expired - Fee Related CN205451003U (en) | 2015-12-18 | 2015-12-18 | Forced induction touch -sensitive screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339124A (en) * | 2016-08-16 | 2017-01-18 | 深圳天珑无线科技有限公司 | Touch display equipment and touch response method |
| CN106569631A (en) * | 2016-10-19 | 2017-04-19 | 京东方科技集团股份有限公司 | Pressure sensing substrate and pressure sensing touch screen |
| CN108334239A (en) * | 2018-03-19 | 2018-07-27 | 信利光电股份有限公司 | Display device and display device forming method |
| CN109791083A (en) * | 2016-12-09 | 2019-05-21 | 日本电产科宝电子株式会社 | Response body and force snesor with the response body |
-
2015
- 2015-12-18 CN CN201521073865.7U patent/CN205451003U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339124A (en) * | 2016-08-16 | 2017-01-18 | 深圳天珑无线科技有限公司 | Touch display equipment and touch response method |
| CN106569631A (en) * | 2016-10-19 | 2017-04-19 | 京东方科技集团股份有限公司 | Pressure sensing substrate and pressure sensing touch screen |
| CN106569631B (en) * | 2016-10-19 | 2019-07-05 | 京东方科技集团股份有限公司 | Pressure sensitive substrate and pressure sensitive touch screen |
| CN109791083A (en) * | 2016-12-09 | 2019-05-21 | 日本电产科宝电子株式会社 | Response body and force snesor with the response body |
| US11085842B2 (en) | 2016-12-09 | 2021-08-10 | Nidec Copal Electronics Corporation | Strain generation body and force sensor equipped with strain generation body |
| CN108334239A (en) * | 2018-03-19 | 2018-07-27 | 信利光电股份有限公司 | Display device and display device forming method |
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Effective date of registration: 20161209 Address after: 523000 Guangdong city in Dongguan Province town of Liaobu City Industrial Road No. 7 business business Patentee after: Guangdong Jinlong electromechanical Co., Ltd. Address before: 523000 Tangxia City, Dongguan Province town Peak Road, No. 1, Patentee before: Jinlong electromechanical (Dongguan) Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161214 Address after: 523000 Guangdong city in Dongguan Province town of Liaobu City Industrial Road No. 7 business business Patentee after: Guangdong Jinlong electromechanical Co., Ltd. Address before: 523000 Tangxia City, Dongguan Province town Peak Road, No. 1, Patentee before: Jinlong electromechanical (Dongguan) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |