CN205193760U - Touch display apparatus and forced induction unit thereof - Google Patents

Touch display apparatus and forced induction unit thereof Download PDF

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Publication number
CN205193760U
CN205193760U CN201520948694.1U CN201520948694U CN205193760U CN 205193760 U CN205193760 U CN 205193760U CN 201520948694 U CN201520948694 U CN 201520948694U CN 205193760 U CN205193760 U CN 205193760U
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electrode
pressure sensitive
touch
unit
resistance layer
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郑刚强
孟锴
黄梅峰
唐彬
倪宇阳
钭忠尚
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Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
OFilm Group Co Ltd
Anhui Jingzhuo Optical Display Technology Co Ltd
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Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
Shenzhen OFilm Tech Co Ltd
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Priority to CN201520948694.1U priority Critical patent/CN205193760U/en
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Abstract

The utility model relates to a touch display apparatus to and the forced induction unit that adopts. The forced induction unit includes the substrate, forms at substrate no. 1 first electrode, second electrode and li min resistance layer on the surface to and the connecting strip, the first electrode extends along the first direction and is rectangular form, and arranges along second orientation interval, and in second electrode interval of each other ground set up the space between arbitrary two adjacent first electrodes, the quick resistance layer of each power was crossed a corresponding first electrode and is connected and lies in two second electrodes of corresponding first electrode both sides, each connecting strip setting are on the corresponding quick resistance layer of doing one's best and extend in the second direction and surpass do all can quick resistance layer and with corresponding two second electrode electric connection. The forced induction unit sets up between touch display apparatus's protection apron and display element for forced induction's sensitivity is higher, and forced induction's mode does not restrict operating medium.

Description

Touch display unit and pressure sensitive unit thereof
Technical field
The utility model relates to touch-control display field, particularly relates to a kind of pressure sensitive unit be applied in touch display unit, also relates to a kind of touch display unit with above-mentioned pressure sensitive unit simultaneously.
Background technology
Touch-screen, because having the advantage such as ease for operation, dirigibility, has become primary human's interactive means of personal mobile communication equipment and integrate information terminal (as mobile phone, panel computer and super notebook computer etc.).Relative to the touch-screen of resistive touch screen with other type, the advantages such as capacitive touch screen is low with cost, structure is simple and durable, are widely used by intelligent terminal gradually.Traditional capacitance touch screen is the touch location of perception screen body place plane and operation only, is difficult to the pressure that perception puts on screen surface and changes the touch parameter brought.
In order to the pressure change of screen surface can be sensed, dealer also has research and development with the touch-screen of pressure sensitive, mainly adopt the pressure sensitive realizing touch-screen in two ways at present, be utilize the electric capacity of touch inductor itself to reach a pressure sensitive, another increases extra pressure sensitive assembly to reach pressure sensitive.
For first kind of way, utilizing the electric capacity of touch inductor itself, is in fact that perception is pointed the change that the contact area between touch-screen occurs and realized under different dynamics.But this mode scope of application is narrower, such as, adopts inflexibility medium (such as finger-joint or metal pen etc.) operation touch-screen, then can not realize pressure sensitive.For the second way, more common way is bottom touch-screen, increase extra pressure sensitive assembly.Although this mode does not limit operation medium, because pressure sensitive assembly is arranged on bottom display screen, this set position determines that pressure sensitive susceptibility is not high, accurately can not reflect the change of pressure.
Utility model content
Based on this, the utility model aims to provide a kind ofly not only to have been had higher sensitivity but also had made to operate the not limited pressure sensitive type touch display unit of medium, and the pressure sensitive unit that this touch display unit adopts.
A kind of pressure sensitive unit, comprise base material, be formed in multiple first electrodes on base material one surface, multiple second electrode and multiple force sensing resistance layer, and multiple connection strap, described multiple first electrode extends in strip along first direction, and described multiple first electrode is intervally arranged along second direction, described multiple second electrode is arranged in the space between any two adjacent first electrode apart from one another by ground, described force sensing resistance layer comprises insulating body and is dispersed in the conductive particle in insulating body, each force sensing resistance layer is crossed corresponding one first electrode and is connected two the second electrodes being positioned at described corresponding one first electrode both sides, each connection strap is arranged on a corresponding force sensing resistance layer and also extends beyond described force sensing resistance layer in a second direction and be electrically connected to two the second electrodes that a described corresponding force sensing resistance layer connects.
Wherein in an embodiment, described first electrode comprises multiple conducting block, and connect the contiguous block of adjacent two conducting blocks, described contiguous block size is in a second direction less than described conducting block size in a second direction, and described force sensing resistance layer crosses described first electrode at described contiguous block place.
Wherein in an embodiment, described second electrode is matrix arrangement.
Wherein in an embodiment, described second electrode and the connection strap entirety be connected with the second electrode are strip and extend along second direction.
Wherein in an embodiment, the conducting block of described second electrode and the first electrode is rectangular, prismatic, square or irregular figure.
Wherein in an embodiment, also comprise flexible PCB, multiple first leading electrode and multiple second leading electrode, described flexible PCB is arranged on one end of described base material, each first leading electrode arranges on the substrate and connects described flexible PCB and corresponding one first electrode, and each second leading electrode arranges on the substrate and connects described flexible PCB and corresponding one second electrode.
A kind of touch display unit; comprise cover sheet, touch sensing unit, pressure sensitive unit and display unit; described touch sensing unit is for responding to the touch signal put on cover sheet; described pressure sensitive unit is for responding to the pressure signal put on cover sheet; described pressure sensitive unit is any one pressure sensitive unit above-mentioned, and described pressure sensitive unit is arranged between cover sheet and display unit.
Wherein in an embodiment, described pressure sensitive unit is arranged between cover sheet and touch sensing unit, or described touch sensing unit is arranged between cover sheet and pressure sensitive unit.
Wherein in an embodiment, described pressure sensitive unit comprises the first flexible PCB, and described touch sensing unit comprises the second flexible PCB, and the binding district of described first flexible PCB and the second flexible PCB is positioned at the difference end of cover sheet.
Wherein in an embodiment; described touch sensing unit is arranged between cover sheet and pressure sensitive unit; described touch sensing unit offers a window; described touch display unit also comprises flexible PCB, is connected while described flexible PCB is connected with touch sensing unit through window with pressure sensitive unit.
In the utility model, force sensing resistance layer is combined with touch display unit, and force sensing resistance layer is arranged between cover sheet and display unit, can adherence pressure response sensitivity, also can realize multipoint pressure identification and location simultaneously.The mode of force sensing resistance layer induction pressure is adopted also to make operation medium unrestricted.
Accompanying drawing explanation
The structural representation of the pressure sensitive unit that Fig. 1 provides for the utility model one embodiment.
Fig. 2 is the enlarged diagram of part in Fig. 1 circle.
Fig. 3 is the part-structure schematic cross-section of the unit of pressure sensitive shown in Fig. 1.
Pressure sensitive unit in the touch display unit that Fig. 4-Fig. 6 provides for the different embodiment of the utility model and the package assembly schematic diagram of touch sensing unit.
Pressure sensitive unit in the touch display unit that Fig. 7 provides for another embodiment of the utility model and the package assembly schematic diagram of touch sensing unit.
Fig. 8 is the schematic cross-section of part-structure in Fig. 7.
Embodiment
The touch display unit that the utility model provides can as the display terminal with touch interactive form of the type such as mobile phone, panel computer.
Described touch display unit comprises cover sheet, touch sensing unit, pressure sensitive unit and display unit.
Cover sheet can be tempered glass cover plate, plastic cover plate, polymethylmethacrylate (PMMA) cover plate etc.
Touch sensing unit comprises touch drive electrode and touch sensible electrode.Touching drive electrode and touch sensible electrode can be distributed on same base material, such as, GF structure alleged by industry, GF2 structure etc., or is distributed in two different base materials respectively, such as, GFF structure alleged by industry.In some embodiments in addition, touch drive electrode and touch sensible electrode also can be formed in the lower surface of cover sheet and make cover sheet have the function of capacitive transducer concurrently, and this kind of structure is called OGS structure by industry.The utility model alleged " on ", D score is for the degree close with user in application process relative to touch display unit, relatively near the side of user be " on ", the side relatively away from user is D score.The lower surface of such as cover sheet refers to the side of cover sheet away from user.In some embodiments in addition, can also be following set-up mode, a kind of lower surface being formed in cover sheet namely in these two kinds of touch control electrode, another kind can be formed in the surface of the base material fitting in cover sheet, such as, G1F structure alleged by industry.Described touch sensing unit also comprises flexible PCB and connects flexible PCB and the leading electrode touching drive electrode, touch sensible electrode.By flexible PCB, touch drive electrode, touch sensible electrode and outside mainboard are formed and is electrically connected thus touch signal is processed.
Described display unit comprises liquid crystal functional layer and backlight module; described liquid crystal functional layer comprises the upper polaroid, optical filter, liquid crystal layer, substrate and the lower polaroid that set gradually, and described backlight module comprises blooming piece and the protection sheet metal for the protection of blooming piece.Blooming piece can comprise the structures such as diffusion sheet, light guide plate and the reflector plate set gradually.
In some embodiments in addition, touch drive electrode in touch sensing unit and touch sensible electrode also can be integrated and be arranged on (structure of above-mentioned touch sensing unit is called in-cell structure by industry) in liquid crystal layer, or described touch drive electrode and touch sensible electrode are arranged on (structure of above-mentioned touch sensing unit is called on-cell structure by industry) between polaroid and optical filter.
Described touch drive electrode and touch sensible electrode are for responding to the touch signal put on cover sheet.Described touch signal comprises the contact be parallel on the two-dimensional directional of cover sheet, slide, to pull etc. and touch input signal, even comprises the touch input signal perpendicular to the side (such as bending arc-shaped side edges of shielding) every empty input signal (i.e. suspension touch control signal) or cover sheet edge on cover sheet direction.
Described pressure sensitive unit is arranged between cover sheet and display unit, for responding to the pressure signal put on cover sheet.In certain embodiments; such as when touch sensing unit and cover sheet form the structures such as GF structure, GF2 structure or GFF structure alleged by industry; or when touch sensing unit is integrated and is arranged on formation in-cell structure or on-cell structure in display unit, described pressure sensitive unit can be arranged between cover sheet and touch sensing unit.In other embodiment, such as, when touch sensing unit and cover sheet form the structures such as OGS structure, GF structure, GF2 structure or GFF structure alleged by industry, described touch sensing unit also can be arranged between cover sheet and pressure sensitive unit.
As depicted in figs. 1 and 2, the pressure sensitive unit that the utility model one embodiment provides comprises base material 10, multiple first electrodes 11 be formed on base material 10 1 surface, multiple second electrode 12, multiple force sensing resistance layer 13, and multiple connection strap 16.
Described force sensing resistance layer 13 comprises insulating body and is dispersed in the conductive particle in insulating body.Force sensing resistance layer 13 is made up of quantum tunneling compound substance, can for the power of mixing conductive particle quick compound substance.Fine conductive even particulate dispersion in force sensing resistance layer 13 is in insulating body.Insulating body can be made for materials such as dacron, epoxy resin, polyester, organosilicon, rubber.Insulating body can be transparent, also can be nontransparent.Size due to force sensing resistance layer 13 can accomplish that naked eyes are invisible, even if the insulating body thus in force sensing resistance layer 13 is nontransparent, the pressure sensitive unit be arranged between cover sheet and display unit also can not cause larger negative effect in visual effect.Understandably, when insulating body is made up of transparent material, the light sent from display unit can not be stopped by insulating body, can improve light penetration.
The particle diameter of conductive particle is 10nm-0.1mm.Conductive particle can be made up of metal material, such as be processed into fine powder, sheet, foil-like, spherical, thorn-like by gold, silver, copper, nickel etc., dendritic, wire, the shape such as bar-shaped, or be processed into metal fibre shape, can also be the particle that the alloy of two or more metals formation such as gold, silver, copper, nickel processes.Conductive particle also can be made up of metallic salt material.Conductive particle can be also carbon black, graphite, can also be carbon nano-tube, also can be conductive oxide as tin indium oxide, indium oxide, tin oxide, zinc paste, titanium dioxide etc., can also be metal clad material or macromolecular material.Conductive particle can also be two or more potpourri above-mentioned.
As shown in Figures 1 and 2, described multiple first electrode 11 extends in strip along first direction (being y-axis direction in Fig. 1), and described multiple first electrode 11 is intervally arranged along second direction (being the x-axis direction vertical with y-axis in Fig. 1).
Described multiple second electrode 12 is arranged in the space between any two adjacent first electrode 11 apart from one another by ground, and each force sensing resistance layer 13 is crossed corresponding one first electrode 11 and connected two the second electrodes 12 being positioned at described corresponding one first electrode 11 both sides.
Each connection strap 16 is arranged on a corresponding force sensing resistance layer 13 and also extends beyond described force sensing resistance layer 13 in a second direction and be electrically connected to two the second electrodes 12 that a described corresponding force sensing resistance layer 13 connects.Described second electrode 12 is by the connection of connection strap 16, and formation is overall to be the structure of strip and to extend along second direction.
In said structure, each force sensing resistance layer 13 is as the bridge between connection first electrode 11 and the second electrode 12, and each force sensing resistance layer 13 forms a pressure sensitive point.
The pressure detection principle of above-mentioned pressure sensitive unit is, when force sensing resistance layer 13 is not stressed, the conductive particle in force sensing resistance layer 13 is distant, and force sensing resistance layer 13 is in insulation or high resistance state; When force sensing resistance layer 13 is stressed, by compression, the distance between conductive particle wherein shortens insulating body, and due to quantum tunneling effect, the electron transfer capabilities between conductive particle strengthens, thus is macroscopically being presented as that the resistance value of force sensing resistance layer 13 reduces.Along with the increase of force sensing resistance layer 13 pressure, the resistance value between the first electrode 11 be connected by it and the second electrode 12 reduces gradually.Therefore, the mutual relationship database by force information of electrode resistance change information in touch display unit in aforesaid pressure sensitive unit and touch display unit can be set up.In actual applications, storer and processor is also comprised in described touch display unit, under the diverse location stored in storer in touch display unit carries out different force value touches, in touch display unit detect force each electrode between resistance variations information, processor detects for contrasting touch display unit the resistance variations information of adjacent electrode and the resistance variations information of institute's pre-stored that obtain, thus judges the touch information of touch display unit.Wherein touch information comprises the size of the power of touch, also can comprise the position of touch force.
In one embodiment, time in running order while of described touch sensing unit and pressure sensitive unit, if touch sensing unit and pressure sensitive unit inspection are to touch operation event, described touch display unit utilizes described touch sensing unit identification touch operation position, and described touch display unit utilizes described pressure sensitive unit identification touch operation pressure; If described touch sensing unit touch operation event do not detected and described pressure sensitive unit inspection to touch operation event time, described touch display unit utilizes described pressure sensitive unit identification touch operation position and touch operation pressure.
By arranging multiple force sensing resistance layer 13 and first, second electrode 11,12 multiple, each force sensing resistance layer 13, as an induction point, is connected between first, second different electrodes 11,12, for realizing multipoint pressure induction.Simultaneously, by arranging connection strap 16, each the second electrode 12 conducting in second direction can be made, thus in second direction diverse location place first, second electrode 11,12 corresponding to force sensing resistance layer 13 between resistance substantially there is no difference (being all resistance values that single force sensing resistance layer 13 shows), can detected pressures signal more accurately.
Further, as shown in Figures 1 and 2, described pressure sensitive unit also comprises flexible PCB 14, multiple first leading electrode 110 and multiple second leading electrode 120.Described flexible PCB 14 is arranged on one end of described base material 10, and flexible PCB 14 shown in Fig. 1, Fig. 2 is arranged on the upper end of base material 10.Each first leading electrode 110 to be arranged on described base material 10 and to connect described flexible PCB 14 and corresponding one first electrode 11, and each second leading electrode 120 to be arranged on described base material 10 and to connect described flexible PCB 14 and corresponding one second electrode 12.
First leading electrode 110 extends from the respective end of the first electrode 11 and is connected to for extending from the upper end of the first electrode 11 and being connected with flexible PCB 14 in flexible PCB 14, Fig. 1, and cabling like this can shorten the length of the first leading electrode 110.
Second leading electrode 120, from the side near base material 10, for second electrode 12 in left side extends as shown in Figure 1, Figure 2, and is upwards connected to the upper end of base material 10 with flexible PCB 14 along this side of base material 10.The loop realized between external control circuit (mainboard) with the first electrode 11, second electrode 12 by flexible PCB 14, first leading electrode 110 and the second leading electrode 120 is connected, thus when wherein one or more force sensing resistance layers 13 because of stressed and resistance changes time, can realize pressure change real-time induction monitoring.Wherein, the region that first leading electrode 110, second leading electrode 120 is connected with flexible PCB 14, can silk-screen is extra again silver slurry, to ensure the contact that the first leading electrode 110, second leading electrode 120 is excellent with flexible PCB 14, prevent the junction of flexible PCB 14 and the first leading electrode 110, second leading electrode 120 from rupturing.
In a specific embodiment, as shown in Figures 2 and 3, described first electrode 11 comprises multiple conducting block 111, and connect the contiguous block 113 of adjacent two conducting blocks 111, described contiguous block 113 size is in a second direction less than described conducting block 111 size in a second direction, and described force sensing resistance layer 13 crosses described first electrode 11 at described contiguous block 113 place.
In the embodiment shown in Fig. 1, Fig. 2, the arrangement in matrix of described second electrode 12.The conducting block 111 of described second electrode 12 and the first electrode 11 is in prismatic.Be appreciated that in other embodiments, the conducting block 111 of the second electrode 12 and the first electrode 11 can also be other shapes such as rectangle, prismatic, square or irregular figure.
Be illustrated in figure 3 the sectional view of the part-structure of pressure sensitive unit in Fig. 1.Wherein first, second electrode 11,12 is formed in the same surface of base material 10, on the described same surface that force sensing resistance layer 13 is formed in base material 10 again and two the second electrodes 12 of the contiguous block 113 and the first electrode 11 both sides of crossing the first electrode 11 be connected.Connection strap 16 is arranged on a corresponding force sensing resistance layer 13 and also extends beyond described force sensing resistance layer 13 in a second direction and be electrically connected to two the second electrodes 12 that a described corresponding force sensing resistance layer 13 connects.
As shown in Figure 4, the touch display unit provided in an embodiment, pressure sensitive unit and touch sensing unit include flexible PCB.For clearly demonstrating each element annexation, the flexible PCB in pressure sensitive unit is defined as the first flexible PCB 141, the flexible PCB in touch sensing unit is defined as the second flexible PCB 142.First flexible PCB 141 and the binding district 141a of the respective guide electrode in pressure sensitive unit are positioned at an end of cover sheet, and the second flexible PCB 142 and the binding district 142a of the respective guide electrode in touch sensing unit are positioned at the other end of cover sheet.Also namely the binding district of described first flexible PCB 141 and the second flexible PCB 142 is positioned at the difference end of cover sheet.
In above-described embodiment, the flexible PCB in pressure sensitive unit and touch sensing unit can complete the binding with corresponding leading electrode respectively, and then utilizes transparent optical cement pressure sensitive unit and touch sensing unit to be bonded together.Pressure sensitive unit can be connected with mainboard respectively with the flexible PCB in touch sensing unit.
In a further embodiment, as shown in Figure 5, by connector 143, first flexible PCB 141, second flexible PCB 142 was linked together before being connected to mainboard.Can also as shown in Figure 6, the different branches of a flexible PCB 14 be adopted to bind with the leading electrode in pressure sensitive unit and touch sensing unit respectively.
The binding district that Fig. 4-embodiment illustrated in fig. 6 is pressure sensitive unit and touch sensing unit is positioned at the difference end of cover sheet, and in some other embodiments, the binding Qu Yeke of pressure sensitive unit and touch sensing unit is positioned at same one end of cover sheet.As shown in Figures 7 and 8; the touch display unit that one embodiment provides comprises cover sheet 300, touch sensing unit 200 and pressure sensitive unit 100; touch sensing unit 200 is arranged between cover sheet 300 and pressure sensitive unit 100, and is bonded together by transparent optical cement 101,301 between any two.Described touch sensing unit 200 offers a window 201, while flexible PCB 14 and touch sensing unit 200 are bound, is also connected with pressure sensitive unit 100 through window 201.Also namely, the different branches (in other embodiments, also can be two independently flexible PCBs) of flexible PCB 14 are positioned at the same end of cover sheet 300 with the binding district of pressure sensitive unit 100, touch sensing unit 200.
The utility model also provides a kind of method for making of pressure sensitive unit, and its step comprises:
First, base material is provided; Base material can be made up of transparent materials such as organic film or ultra-thin glass such as PET, PEN, COP.
Then, multiple first electrode of patterning and multiple second electrode is formed on the surface at one of base material.First electrode and the second electrode can be by ITO, development, carbon nano-tube, Graphene, the materials such as PEDOT, IZO form transparent conductive material on substrate surface by modes such as coating/sputters, then through being etched with the first electrode and the second electrode that form predetermined pattern.Described multiple first electrode extends in strip along first direction, and described multiple first electrode is intervally arranged along second direction, and described multiple second electrode is arranged in the space between any two adjacent first electrode apart from one another by ground.In this step, the first electrode can also be formed, the second electrode and flexible PCB carry out the leading electrode that is connected.Be appreciated that leading electrode also can be made by substep in follow-up step to be formed, such as, adopt the mode of silk-screen to form leading electrode.
Then, substrate makes force sensing resistance layer, described force sensing resistance layer is crossed the first electrode and is connected two the second electrodes being positioned at the first electrode both sides.
In one embodiment, such as, when making the pressure sensitive unit of structure as shown in Figure 3, force sensitive resistive material is coated on base material by the mode by coating, and can be the surface applying whole base material, also can be the regional area of coated substrate.And then remove unnecessary force sensitive resistive material through the step such as overexposure, development, cross the first electrode to be formed and connect the force sensing resistance layer being positioned at two the second electrodes of the first electrode both sides.Force sensitive resistive material can by foregoing insulating body, conductive particle, and the modulation such as solvent, hardening agent forms ink state, and realizes solidification by the mode be heating and curing or UV irradiates.Solvent can for common are one or more the combination in machine solvent such as 2-butanone, glycol ether and tetrahydrofuran.Also hardening agent such as aliphatics amine, the amide group amine etc. of suitable type can be selected according to the type of insulating body.
In some other embodiments, described force sensing resistance layer can also be formed by the mode such as silk-screen, inkjet printing at commitment positions.
Then, force sensing resistance layer makes connection strap, two the second electrodes that described connection strap extends beyond described force sensing resistance layer in a second direction and is connected with described force sensing resistance layer are electrically connected.Connection strap can be made up of metal or other conductive materials.Connection strap can adopt the commitment positions of the mode such as silk-screen, inkjet printing on force sensing resistance layer to be formed, and extends beyond force sensing resistance layer and be electrically connected to be formed with the second electrode of the both sides in second direction.
In the utility model, force sensing resistance layer is combined with touch display unit, and force sensing resistance layer is arranged between cover sheet and display unit, can adherence pressure response sensitivity, also can realize multipoint pressure identification and location simultaneously.
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 (10)

1. a pressure sensitive unit, it is characterized in that, comprise base material, be formed in multiple first electrodes on base material one surface, multiple second electrode and multiple force sensing resistance layer, and multiple connection strap, described multiple first electrode extends in strip along first direction, and described multiple first electrode is intervally arranged along second direction, described multiple second electrode is arranged in the space between any two adjacent first electrode apart from one another by ground, described force sensing resistance layer comprises insulating body and is dispersed in the conductive particle in insulating body, each force sensing resistance layer is crossed corresponding one first electrode and is connected two the second electrodes being positioned at described corresponding one first electrode both sides, each connection strap is arranged on a corresponding force sensing resistance layer and also extends beyond described force sensing resistance layer in a second direction and be electrically connected to two the second electrodes that a described corresponding force sensing resistance layer connects.
2. pressure sensitive unit according to claim 1, it is characterized in that, described first electrode comprises multiple conducting block, and connect the contiguous block of adjacent two conducting blocks, described contiguous block size is in a second direction less than described conducting block size in a second direction, and described force sensing resistance layer crosses described first electrode at described contiguous block place.
3. pressure sensitive unit according to claim 2, is characterized in that, described second electrode is matrix arrangement.
4. pressure sensitive unit according to claim 2, is characterized in that, described second electrode and the connection strap entirety be connected with the second electrode are strip and extend along second direction.
5. pressure sensitive unit according to claim 2, is characterized in that, the conducting block of described second electrode and the first electrode is rectangular, prismatic, square or irregular figure.
6. pressure sensitive unit according to claim 1, it is characterized in that, also comprise flexible PCB, multiple first leading electrode and multiple second leading electrode, described flexible PCB is arranged on one end of described base material, each first leading electrode arranges on the substrate and connects described flexible PCB and corresponding one first electrode, and each second leading electrode arranges on the substrate and connects described flexible PCB and corresponding one second electrode.
7. a touch display unit; comprise cover sheet, touch sensing unit, pressure sensitive unit and display unit; described touch sensing unit is for responding to the touch signal put on cover sheet; described pressure sensitive unit is for responding to the pressure signal put on cover sheet; it is characterized in that; described pressure sensitive unit is the pressure sensitive unit in claim 1-5 item described in any one, and described pressure sensitive unit is arranged between cover sheet and display unit.
8. touch display unit according to claim 7, is characterized in that, described pressure sensitive unit is arranged between cover sheet and touch sensing unit, or described touch sensing unit is arranged between cover sheet and pressure sensitive unit.
9. touch display unit according to claim 7; it is characterized in that; described pressure sensitive unit comprises the first flexible PCB, and described touch sensing unit comprises the second flexible PCB, and the binding district of described first flexible PCB and the second flexible PCB is positioned at the difference end of cover sheet.
10. touch display unit according to claim 7; it is characterized in that; described touch sensing unit is arranged between cover sheet and pressure sensitive unit; described touch sensing unit offers a window; described touch display unit also comprises flexible PCB, is connected while described flexible PCB is connected with touch sensing unit through window with pressure sensitive unit.
CN201520948694.1U 2015-11-24 2015-11-24 Touch display apparatus and forced induction unit thereof Active CN205193760U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106648256A (en) * 2017-01-03 2017-05-10 昆山国显光电有限公司 Display panel with pressure sensing function and manufacturing method thereof
CN106873831A (en) * 2017-02-07 2017-06-20 南昌欧菲显示科技有限公司 Touch display screen, pressure sensitive touch-screen and preparation method thereof
CN107491201A (en) * 2016-06-10 2017-12-19 三星显示有限公司 Sensor and the display device with the sensor
CN107562283A (en) * 2017-10-10 2018-01-09 厦门天马微电子有限公司 A kind of touch-control display panel, display device and its driving method
WO2018149037A1 (en) * 2017-02-16 2018-08-23 华为技术有限公司 Touch screen and touch display device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107491201A (en) * 2016-06-10 2017-12-19 三星显示有限公司 Sensor and the display device with the sensor
CN107491201B (en) * 2016-06-10 2023-03-10 三星显示有限公司 Sensor and display device having the same
CN106648256A (en) * 2017-01-03 2017-05-10 昆山国显光电有限公司 Display panel with pressure sensing function and manufacturing method thereof
CN106873831A (en) * 2017-02-07 2017-06-20 南昌欧菲显示科技有限公司 Touch display screen, pressure sensitive touch-screen and preparation method thereof
CN106873831B (en) * 2017-02-07 2023-09-19 安徽精卓光显技术有限责任公司 Touch display screen, pressure sensing touch screen and manufacturing method of pressure sensing touch screen
WO2018149037A1 (en) * 2017-02-16 2018-08-23 华为技术有限公司 Touch screen and touch display device
CN107562283A (en) * 2017-10-10 2018-01-09 厦门天马微电子有限公司 A kind of touch-control display panel, display device and its driving method
CN107562283B (en) * 2017-10-10 2020-12-04 厦门天马微电子有限公司 Touch display panel, display device and driving method thereof

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