CN204926052U - Touch display apparatus - Google Patents
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- CN204926052U CN204926052U CN201520683228.5U CN201520683228U CN204926052U CN 204926052 U CN204926052 U CN 204926052U CN 201520683228 U CN201520683228 U CN 201520683228U CN 204926052 U CN204926052 U CN 204926052U
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Abstract
本实用新型涉及一种触摸显示装置，包括呈叠层设置的电容触摸屏和显示模组，所述电容触摸屏包括触摸驱动电极和触摸感应电极，所述触摸驱动电极和触摸感应电极用于感应施加于电容触摸屏上的触摸信号，所述触摸显示装置还包括压力感应电极，所述压力感应电极与触摸驱动电极或触摸感应电极位于同一叠层，所述触摸显示装置还包括一表面导电且与所述压力感应电极对置的板体，所述压力感应电极与所述板体形成电容感应器并用于感应施加于电容触摸屏上的压力信号。本实用新型中无需额外设置压力传感器即可实现压力信号的感应，且用于感应压力信号的压力感应电极可与用于感应触摸信号的触控电极的同时制作，具有生产成本低、工艺简单等优点。
The utility model relates to a touch display device, which comprises a capacitive touch screen and a display module arranged in layers. The capacitive touch screen includes touch driving electrodes and touch sensing electrodes, and the touch driving electrodes and touch sensing electrodes are used for sensing The touch signal on the capacitive touch screen, the touch display device also includes a pressure-sensing electrode, the pressure-sensing electrode and the touch-driving electrode or the touch-sensing electrode are located in the same stack layer, and the touch display device also includes a surface conductive and connected to the The plate body opposite to the pressure-sensing electrode, the pressure-sensing electrode and the plate form a capacitive sensor for sensing the pressure signal applied to the capacitive touch screen. The utility model can realize the sensing of the pressure signal without additional pressure sensor, and the pressure sensing electrode used for sensing the pressure signal can be produced at the same time as the touch electrode used for sensing the touch signal, which has the advantages of low production cost, simple process, etc. advantage.
Description
Technical field
The utility model relates to touch-control display field, particularly relates to a kind of touch display unit with pressure sensitive function.
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 and alternate manner, the advantages such as capacitive touch screen is low with cost, structure is simple and durable, are widely used by intelligent terminal gradually.But existing capacitance touch screen is the touch location of perception screen body place plane and operation only, be difficult to the pressure that perception puts on screen surface and change the touch parameter brought.
In order to sense the pressure change of screen surface, dealer is integrated pressure sensor in touch-screen.But existing way is all pile up in touch-screen by pressure transducer, is difficult to make contributions to the integrally-built simplification of touch-screen, makes the production cost of the touch-screen with pressure transducer higher.
Utility model content
Based on this, be necessary, for the complex structure of the touch-screen with pressure transducer, problem that production cost is high, to provide the touch display unit that a kind of structure is simple, production cost is low.
A kind of touch display unit, comprise the capacitance touch screen and display module that arrange in lamination, described capacitance touch screen comprises touch drive electrode and touch sensible electrode, described touch drive electrode and touch sensible electrode are for responding to the touch signal put on capacitance touch screen, described touch display unit also comprises pressure sensitive electrode, described pressure sensitive electrode is positioned at same lamination with touch drive electrode or touch sensible electrode, described touch display unit also comprise a surface conduction and with the plate body of described pressure sensitive electrode contraposition, described pressure sensitive electrode and described plate body form capacitive sensing device and for responding to the pressure signal put on capacitance touch screen.
Above-mentioned touch display unit obtains the pressure signal of touch operation by the mode of monitoring electric capacity, the termination electrode being simultaneously configured for the capacitive transducer of pressure signal induction is positioned at the same lamination of the touch control electrode for touch signal inductions such as touching position information, the induction of pressure signal can be realized without the need to additionally arranging pressure transducer, and for induction pressure signal pressure sensitive electrode can with the touch control electrode for touch sensitive signal while make, there is the advantages such as production cost is low, technique is simple.
Wherein in an embodiment, described display module comprises the polaroid, optical filter and the liquid crystal layer that arrange in lamination; Wherein said pressure sensitive electrode, touch drive electrode and touch sensible electrode are integrated and are arranged in liquid crystal layer, or described pressure sensitive electrode, touch drive electrode and touch sensible electrode are arranged between polaroid and optical filter.
Wherein in an embodiment, described capacitance touch screen also comprises the substrate that carrying touches drive electrode, touch sensible electrode, and described pressure sensitive electrode and described touch drive electrode or touch sensible electrode common substrate are also positioned at the same surface of substrate.
Wherein in an embodiment, described capacitance touch screen also comprises cover sheet, and described cover sheet touches the substrate of drive electrode and/or touch sensible electrode as carrying.
Wherein in an embodiment, described capacitance touch screen also comprises carrying and touches the first substrate of drive electrode and the second substrate of carrying touch sensible electrode, and described pressure sensitive electrode is arranged on first substrate or second substrate.
Wherein in an embodiment, described pressure sensitive electrode and touch between drive electrode or touch sensible electrode earth lead is set.
Wherein in an embodiment, described pressure sensitive distribution of electrodes in the center of capacitance touch screen, corner, edge or with the formal distribution of array in whole capacitance touch screen.
Wherein in an embodiment, the area being distributed in the pressure sensitive electrode of capacitance touch platen edge is greater than the area of the pressure sensitive electrode at the center being distributed in capacitance touch screen.
Wherein in an embodiment, described plate body is metal plate, or described plate body is composited by insulating substrate and metal base, or described plate body comprises insulating substrate and is arranged at the conductive layer on insulating substrate surface.
Wherein in an embodiment, described plate body is the center supporting display module.
Wherein in an embodiment, described plate body is towards the surface conduction of the side of described capacitance touch screen.
Wherein in an embodiment, described conductive layer is the conductive layer of the ground connection being arranged on display module upper surface or lower surface.
Wherein in an embodiment, described conductive layer is the metal casing below display module.
Wherein in an embodiment, also comprise processor, described processor staggers for the work schedule of the work schedule and described touch drive electrode and touch sensible electrode that control described pressure sensitive electrode, and the induction of pressure signal and the induction of touch signal are not interfere with each other.
Wherein in an embodiment, described touch display unit also comprises processor, described processor makes described pressure sensitive electrode provide the first state and the second state, wherein when described first state, described pressure sensitive electrode is arranged to touch sensitive signal, when described second state, described pressure sensitive electrode is arranged to induction pressure signal.
Accompanying drawing explanation
The part-structure schematic diagram of the capacitance touch screen in the touch display unit that Fig. 1 provides for the utility model one embodiment.
Another part structural representation of the capacitance touch screen in the touch display unit that Fig. 2 provides for the utility model one embodiment.
The part-structure schematic diagram of the capacitance touch screen in the touch display unit that Fig. 3 provides for another embodiment of the utility model.
The part-structure schematic diagram of the capacitance touch screen in the touch display unit that Fig. 4 provides for the another embodiment of the utility model.
Fig. 5 is the part-structure schematic diagram of the capacitance touch screen in the utility model again touch display unit that provides of an embodiment.
The cross section structure schematic diagram of the touch display unit that Fig. 6 provides for the utility model one embodiment.
The cross section structure schematic diagram of the touch display unit that Fig. 7 provides for another embodiment of the utility model.
The cross section structure schematic diagram of the touch display unit that Fig. 8 provides for the another embodiment of the utility model.
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 the capacitance touch screen and display module that arrange in lamination, and carries the plate body of capacitance touch screen, display module.
In one embodiment, described capacitance touch screen comprises cover sheet, touches drive electrode, touch sensible electrode and substrate.Substrate touches drive electrode and touch sensible electrode for carrying.Cover sheet is for the protection of substrate, structure such as touch drive electrode and touch sensible electrode etc.
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 medial surface of cover sheet and make cover sheet have the function of capacitive transducer concurrently.If touch drive electrode and touch sensible electrode are all formed on cover sheet, then replace for carrying the protected cover plate of the substrate touching drive electrode and touch sensible electrode, this kind of structure is called OGS structure by industry.In some embodiments in addition, a kind of surface that also can be formed in the substrate fitting in cover sheet in these two kinds of touch control electrode, such as, G1F structure alleged by industry.
In some other embodiments, described display module comprises polaroid, optical filter and the liquid crystal layer that lamination is arranged.Display module also comprises other structures such as the thin film transistor (TFT) for driving liquid crystal.Wherein said touch drive electrode and touch sensible electrode are integrated and are arranged in liquid crystal layer (structure of above-mentioned capacitance touch screen is called in-cell structure by industry), or described touch drive electrode and touch sensible electrode are arranged between polaroid and optical filter, and (structure of above-mentioned capacitance touch screen is called on-cell structure by industry.)。
Described touch drive electrode and touch sensible electrode are for responding to the touch signal put on capacitance touch screen.Described touch signal comprises the contact be parallel on the two-dimensional directional of capacitance touch screen, 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 capacitance touch platen edge on capacitance touch screen direction.
Described plate body is conduction plate body.Described plate body is as the carrier of capacitance touch screen, display module, if be necessary, plate body itself can make insulation processing with capacitance touch screen, the element shown in module.When described touch display unit is mobile phone, described plate body can be the center of mobile phone.Plate body is arranged in phone housing, and the side of plate body is for carrying capacitance touch screen, the components and parts such as display module and mainboard etc. of touch display unit, and the opposite side of plate body is the components and parts such as placing battery then.When described touch display unit is the equipment of other types, also can be similar sheet material.
Described plate body can be metal material, and adopts same grounding with touch display unit.Or described plate body comprises insulating substrate and metal base is composited, and adopt same grounding with touch display unit.Or described plate body comprises insulating substrate and is arranged at the conductive layer of insulating substrate one side surface, and adopts same grounding with touch display unit.
Described touch display unit also comprises pressure sensitive electrode, described pressure sensitive electrode is positioned at same lamination with touch drive electrode or touch sensible electrode, described pressure sensitive electrode is opposed with conduction plate body, forms capacitive sensing device for responding to the pressure signal put on capacitance touch screen.
Described pressure sensitive electrode is positioned at same lamination with touch drive electrode or touch sensible electrode, can be understood as, when touching drive electrode and touch sensible electrode is not positioned on same substrate, pressure sensitive electrode both can be positioned on same substrate with touch drive electrode, also can be positioned on same substrate with touch sensible electrode; When touch drive electrode with touch sensible electrode is positioned on same substrate or same lamination time, then pressure sensitive electrode is positioned on same substrate or same lamination with touch drive electrode, touch sensible electrode.Particularly, when touch drive electrode and touch sensible distribution of electrodes are on same base material, then pressure sensitive electrode is also distributed on this base material.When touch drive electrode and touch sensible distribution of electrodes are on different substrate materials, pressure sensitive electrode can optionally be distributed on one of them base material.In certain embodiments, the cover sheet of capacitance touch screen can as one of them base material.When touching drive electrode and the integration of touch sensible electrode is arranged in liquid crystal layer, pressure sensitive electrode is also arranged in liquid crystal layer.When touching drive electrode and touch sensible electrode is arranged between polaroid and optical filter, pressure sensitive electrode is also arranged between polaroid and optical filter.
In above-mentioned touch display unit, pressure sensitive electrode forms capacitive transducer with the plate body being in ground connection.When bringing pressure to bear on capacitance touch screen, the distance d between pressure sensitive electrode and plate body is faint to diminish, and according to the computing formula C=ε S/4 π kd of electric capacity, the capacitance of the capacitive transducer formed between known pressure sensitive electrode and plate body becomes large.Because touch pressures different on capacitance touch screen makes each position of capacitance touch screen can produce corresponding strain, and then produce the change of corresponding d value.Accordingly, the capacitance variations information of the capacitive transducer formed by pressure sensitive electrode and plate body described in capacitance touch screen and the mutual relationship database by force information of capacitance touch screen can be set up.In actual applications, after stressed according to capacitance touch screen, that detects that the capacitance variations information of each capacitive transducer formed by pressure sensitive electrode and plate body obtained can obtain capacitance touch screen is subject to force information.
Below with reference to accompanying drawing, the touch display unit in different embodiment is described further.Wherein, the touch display screen in touch display unit comprises cover sheet and two substrates, and the touch drive electrode in touch display screen and touch sensible electrode respectively correspondence are arranged on one of them substrate.In one specific embodiment, described cover sheet is glass material, and described substrate is film material, and also namely the structure of above-mentioned capacitance touch screen is called GFF structure by industry.
As shown in Figure 1, be the substrate 10 in capacitance touch screen, and form touch drive electrode 11 on the substrate 10 and pressure sensitive electrode 30.As shown in Figure 2, be another substrate 20 in capacitance touch screen and formation touch sensible electrode 21 on the base plate 20.Wherein substrate 10 is compared to substrate 20 away from cover sheet, is also that substrate 20 is between cover sheet and substrate 10.Touch sensible electrode 21 in Fig. 2 is rectangle, is appreciated that and is not limited to this kind of shape, and touch sensible electrode 21 guides to the interface end 201 of substrate 20 by lead-in wire 210.Touch sensible electrode 21 is common as the element in the touch sensing unit of capacitance touch screen with touch drive electrode 11, for responding to the touch signal put on capacitance touch screen.Described touch signal comprises the contact be parallel on the two-dimensional directional of capacitance touch screen, 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 capacitance touch platen edge on capacitance touch screen direction.
Described substrate 10 is also provided with the interface end 101 that touch drive electrode 11 is guided to substrate 10 by lead-in wire 110.Same, described substrate 10 is also provided with the interface end 101 that pressure sensitive electrode 30 is guided to substrate 10 by lead-in wire 300.In this embodiment, pressure sensitive electrode 30 with the formal distribution of electrode block array on the substrate 10.Namely the area being distributed in the pressure sensitive electrode 30 of capacitance touch platen edge (also substrate 10 edge) is slightly larger than the area of pressure sensitive electrode 30 at center (also i.e. substrate 10 center) being distributed in capacitance touch screen, generally speaking, the center of capacitance touch screen is easier to deformation, the area so arranging pressure sensitive electrode 30 can be considered position and the deformation size of capacitance touch screen to balance the pressure sensitive sensitivity of each position.Pressure sensitive electrode 30 drive electrode 11 that is touched surrounds, and only reserves the gap passed for lead-in wire 300.
In different embodiments, pressure sensitive electrode 30 also can be positioned at and touch outside drive electrode 11 that the drive electrode 11 that is not touched surrounds.For reducing or avoiding touch drive electrode 11 (or touch sensible electrode 21) for touch sensitive signal on the impact of the pressure sensitive electrode 30 for induction pressure signal, can separate with earth lead (not shown) between two kinds of electrodes.Meanwhile, on the substrate 10, the periphery of each electrode and lead-in wire adopts the wire 40 of a ground connection to surround, with reduce avoid in touch display unit or the electromagnetic field of outside on the impact of the induction of touch signal and pressure signal.
Fig. 3 is the substrate 10 of capacitance touch screen in another embodiment and touches the structural representation of drive electrode 11, pressure sensitive electrode 30.Wherein pressure sensitive electrode 30 is distributed in the center of the substrate 10 of capacitance touch screen with several electrode blocks.
Fig. 4 is the substrate 10 of capacitance touch screen in another embodiment and touches the structural representation of drive electrode 11, pressure sensitive electrode 30.Wherein 30, pressure sensitive electrode is surrounded by part touch drive electrode 11, and namely another part touch drive electrode 11 and pressure sensitive electrode 30 are independent separately separates, and is not formed and surrounds and besieged relation.
Fig. 5 is the substrate 10 of capacitance touch screen in another embodiment and touches the structural representation of drive electrode 11, pressure sensitive electrode 30.Wherein pressure sensitive electrode 30 separates with touch drive electrode 11 is independent all separately, and spaced apart in ribbon separately.Particularly, two touch interval between drive electrode 11 and arrange several in block pressure sensitive electrode 30, and spaced pressure sensitive electrode 30 linearly arranges.For reducing or avoiding touch drive electrode 11 (or touch sensible electrode 21) for touch sensitive signal on the impact of the pressure sensitive electrode 30 for induction pressure signal, also can separate by the wire (not shown) of ground connection between two kinds of electrodes.
In the above-described embodiment, the shape of pressure sensitive electrode 30 is depicted as square in the drawings, but should understand and be not limited to square, also can be other shape, as triangle, rectangle, prismatic, trapezoidal etc.; Touching drive electrode 11 and be depicted as rectangle in the drawings, but should understand and be not limited to rectangle, also can be other shape.
In the aforementioned embodiment, pressure sensitive electrode 30 also can be positioned on another substrate 20, and namely pressure sensitive electrode 30 and touch sensible electrode 21 are positioned at same lamination.In this kind of structure, the position relationship of pressure sensitive electrode 30 and touch sensible electrode 21, and pressure sensitive electrode 30 in previous embodiment is similar with the position relationship touching drive electrode 11.
For the capacitance touch screen of other structure, the structures such as such as, GF, OGS, G1F, GF2, in-cell, on-cell alleged by industry, pressure sensitive electrode 30 is positioned at same lamination with touch drive electrode 11 or touch sensible electrode 21.In the structures such as GF, OGS, on-cell, in-cell, touch drive electrode and touch sensible electrode are positioned at same lamination, then pressure sensitive electrode 30 is distributed in the side touching drive electrode 11 and/or touch sensible electrode 21, and also can be touched drive electrode 11 and/or touch sensible electrode 21 surround.In the structures such as in the industry cycle alleged G1F, GF2, the distribution of pressure sensitive electrode 30 and the similar shown in embodiment of aforementioned GFF structure.
The above-mentioned touch display unit with pressure sensitive function work run time, have an impact mutually for avoiding the detection of touch signal and pressure signal, can adopt the mode of sequential control that the induction of touch signal and the induction time-sharing work of pressure signal are run, thus not produce mutual interference when each leisure realizes corresponding function.The mode of this sequential control can be undertaken by the processor connecting capacitance touch screen, also can carry out sequential control by elements such as extra processor and storeies.In above-mentioned touch display unit, can independently arrange for touch sensitive signal and the processor for induction pressure signal.For reducing costs, same processor also can be adopted to carry out the monitoring of touch signal and pressure signal.
For avoiding showing thin film transistor (TFT) in module and liquid crystal pixel electrodes operationally on the impact of pressure signal induction, in described touch display unit, also the elements such as other processor and storer can be set, work runs in the different time periods can to make the work of the thin film transistor (TFT) of display module and the sensitive time of pressure signal further by described processor and storer, namely, when induction pressure signal, the thin film transistor (TFT) of display module is in off position.
Further, in described touch display unit, pressure sensitive electrode for induction pressure signal can adopt common electrode with for the touch drive electrode of touch sensitive signal or touch sensible electrode, and namely same electrode both can be used for induction pressure signal and also can be used for touch sensitive signal.Under this kind of situation, described touch display unit also comprises the elements such as extra processor and storer, and these common electrodes can be made at least to provide the first state and the second state; Wherein when described first state, described common electrode is arranged to the detection of the touch signal be parallel on the two-dimensional directional of capacitance touch screen, and for the induction perpendicular to the touch signal such as detection inputted every the touch-control of the sky input detection of (i.e. suspension touch control) or the side at device edge on touch panel direction, when described second state, described common electrode is configured to form some capacitive sensing devices with plate body, for the detection of pressure signal.For Fig. 1, pressure sensitive electrode 30 on the substrate 10 can as common electrode, and namely pressure sensitive electrode 30 is except induction pressure, also can load as touch drive electrode 11 and touch drive singal.As in the T1 time period, wherein one touch drive electrode 11 and the pressure sensitive electrode 30 that surrounds is loaded concurrently touch drive singal, such as load driver voltage; In the T2 time period, this drive electrode 11 not load driver voltage, is in floating state, and pressure sensitive electrode 30 cut-in pressure of correspondence induction testing circuit is used for detected pressures.The duty of the common electrode controlled on substrate 10 can be carried out by extra processor.Further, the time-sharing work state of this common electrode can be realized by existing touch-control circuit.
The cross section structure schematic diagram of the touch display unit that Fig. 6 provides for the utility model one embodiment, does not mark the glue for fitting or OCA in structural representation.In the structural representation of this embodiment, the touch drive electrode 11 of capacitance touch screen and touch sensible electrode 21 are on different substrates 10,20, and the pressure sensitive electrode 30 for the formation of the capacitive transducer of detected pressures is on same substrate 10 with the touch drive electrode 11 of capacitance touch screen.Capacitance touch screen in described touch display unit also comprises the cover sheet 100 be positioned at above touch sensible electrode 21, and described touch display unit also comprises the plate body being positioned at display module 50 below capacitance touch screen and Support Capacitor touch-screen and display module 50.Space 500 is there is between plate body and display module 50.Plate body is the center 51 supporting capacitance touch screen and display module 50 in this embodiment, at least one surface conduction of center 51, and takes the same grounding with touch display unit.This center 51 can be metal material, or center 51 is the compound plate body of insulating substrate and metal base, and metal material is positioned at the side of isolation material towards capacitance touch screen, or described center 51 comprises insulating substrate and is arranged at the conductive layer of insulating substrate side.
See Fig. 7, plate body also can be existing for the protection of display module 50 and for the metal casing 52 of electromagnetic screen, is located immediately at the below of display module 50.
In addition, when both having there is the center 51 supporting display module 50 in touch display unit, also there is the metal casing 52 of protection display module, and during using center 51 as the plate body of pressure sensitive, this setting may disturb the normal work of pressure sensitive.Therefore the metal casing 52 showing module 50 adopts different groundings from described center 51.Further, when the capacitive sensing device work needing detected pressures, suspension process is adopted to the metal casing 52 of display module 50.
The cross section structure schematic diagram of the touch display unit that Fig. 8 provides for another embodiment of the utility model, does not mark the glue for fitting or OCA in structural representation.In the structural representation of this embodiment, the touch drive electrode 11 of capacitance touch screen and touch sensible electrode 21 are on different substrates 10,20, and the pressure sensitive electrode 30 for the formation of the capacitive transducer of detected pressures is on same substrate 10 with the touch drive electrode 11 of capacitance touch screen.Capacitance touch screen in described touch display unit also comprises the cover sheet 100 be positioned at above touch sensible electrode 21, and described touch display unit also comprises the plate body being positioned at display module 50 below capacitance touch screen and Support Capacitor touch-screen and display module 50.Space 500 is there is between plate body and display module 50.In this embodiment, the upper surface of display module 50 has a conductive layer 53, adopt and the same grounding of touch display unit, this conductive layer 53 can be prepared in the surface of display module 50 by modes such as evaporation, sputtering, printings, also can be covered on by the film material conducted electricity above display module 50.The conductive layer 53 on this display module 50 surface serves as the function of plate body, forms capacitive transducer, to realize the pressure detecting function of touch display unit with the pressure sensitive electrode for detected pressures in capacitance touch screen.In addition, the conductive layer 53 on described display module 50 surface also can be positioned at the lower surface of display module 50.
The utility model obtains the pressure signal of touch operation by the mode of monitoring electric capacity, the termination electrode being simultaneously configured for the capacitive transducer of pressure signal induction is positioned at the same lamination of the touch control electrode for touch signal inductions such as touching position information, the induction of pressure signal can be realized without the need to additionally arranging pressure transducer, and can make while the touch control electrode for touch sensitive signal for the pressure sensitive electrode of induction pressure signal, there is the advantages such as production cost is low, technique is simple.
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 (15)
1. a touch display unit, comprise the capacitance touch screen and display module that arrange in lamination, described capacitance touch screen comprises touch drive electrode and touch sensible electrode, described touch drive electrode and touch sensible electrode are for responding to the touch signal put on capacitance touch screen, it is characterized in that, described touch display unit also comprises pressure sensitive electrode, described pressure sensitive electrode is positioned at same lamination with touch drive electrode or touch sensible electrode, described touch display unit also comprise a surface conduction and with the plate body of described pressure sensitive electrode contraposition, described pressure sensitive electrode and described plate body form capacitive sensing device and for responding to the pressure signal put on capacitance touch screen.
2. touch display unit according to claim 1, is characterized in that, described display module comprises the polaroid, optical filter and the liquid crystal layer that arrange in lamination; Wherein said pressure sensitive electrode, touch drive electrode and touch sensible electrode are integrated and are arranged in liquid crystal layer, or described pressure sensitive electrode, touch drive electrode and touch sensible electrode are arranged between polaroid and optical filter.
3. touch display unit according to claim 1, it is characterized in that, described capacitance touch screen also comprises the substrate that carrying touches drive electrode, touch sensible electrode, and described pressure sensitive electrode and described touch drive electrode or touch sensible electrode common substrate are also positioned at the same surface of substrate.
4. touch display unit according to claim 3, is characterized in that, described capacitance touch screen also comprises cover sheet, and described cover sheet touches the substrate of drive electrode and/or touch sensible electrode as carrying.
5. touch display unit according to claim 1, it is characterized in that, described capacitance touch screen also comprises carrying and touches the first substrate of drive electrode and the second substrate of carrying touch sensible electrode, and described pressure sensitive electrode is arranged on first substrate or second substrate.
6. touch display unit according to claim 1, is characterized in that, described pressure sensitive electrode and touch between drive electrode or touch sensible electrode and arrange earth lead.
7. touch display unit according to claim 1, is characterized in that, described pressure sensitive distribution of electrodes in the center of capacitance touch screen, corner, edge or with the formal distribution of array in whole capacitance touch screen.
8. touch display unit according to claim 7, is characterized in that, the area being distributed in the pressure sensitive electrode of capacitance touch platen edge is greater than the area of the pressure sensitive electrode at the center being distributed in capacitance touch screen.
9. touch display unit according to claim 1, is characterized in that, described plate body is metal plate, or described plate body is composited by insulating substrate and metal base, or described plate body comprises insulating substrate and is arranged at the conductive layer on insulating substrate surface.
10. touch display unit according to claim 9, is characterized in that, described plate body is the center supporting display module.
11. touch display units according to claim 10, is characterized in that, described plate body is towards the surface conduction of the side of described capacitance touch screen.
12. touch display units according to claim 9, is characterized in that, described conductive layer is the conductive layer of the ground connection being arranged on display module upper surface or lower surface.
13. touch display units according to claim 9, is characterized in that, described conductive layer is the metal casing below display module.
14. according to the touch display unit in claim 1-13 item described in any one, it is characterized in that, also comprise processor, described processor staggers for the work schedule of the work schedule and described touch drive electrode and touch sensible electrode that control described pressure sensitive electrode, and the induction of pressure signal and the induction of touch signal are not interfere with each other.
15. according to the touch display unit in claim 1-13 item described in any one, it is characterized in that, described touch display unit also comprises processor, described processor makes described pressure sensitive electrode provide the first state and the second state, wherein when described first state, described pressure sensitive electrode is arranged to touch sensitive signal, and when described second state, described pressure sensitive electrode is arranged to induction pressure signal.
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| CN201520683228.5U CN204926052U (en) | 2015-09-06 | 2015-09-06 | Touch display apparatus |
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| CN201520683228.5U CN204926052U (en) | 2015-09-06 | 2015-09-06 | Touch display apparatus |
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| CN105446545A (en) * | 2016-01-19 | 2016-03-30 | 京东方科技集团股份有限公司 | Touch display panel, driving method thereof and display device |
| CN105549251A (en) * | 2016-03-15 | 2016-05-04 | 武汉华星光电技术有限公司 | Touch type liquid crystal display device and electronic device |
| CN105589603A (en) * | 2016-02-18 | 2016-05-18 | 厦门天马微电子有限公司 | Touch structure, touch display panel and touch display device |
| CN105630251A (en) * | 2016-03-17 | 2016-06-01 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN105675178A (en) * | 2015-12-31 | 2016-06-15 | 联想(北京)有限公司 | Electronic device possessing pressure detection function and pressure detection method |
| CN105717689A (en) * | 2016-04-26 | 2016-06-29 | 昆山龙腾光电有限公司 | Pressure-induction touch display panel |
| CN105759483A (en) * | 2016-05-13 | 2016-07-13 | 京东方科技集团股份有限公司 | Liquid crystal display panel, liquid crystal displayer and driving method of liquid crystal displayer |
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Address after: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi 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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Effective date of registration: 20210415 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 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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Granted publication date: 20151230 |