CN204945977U - A kind of display device and pressure-detecting device - Google Patents
A kind of display device and pressure-detecting device Download PDFInfo
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- CN204945977U CN204945977U CN201520729830.8U CN201520729830U CN204945977U CN 204945977 U CN204945977 U CN 204945977U CN 201520729830 U CN201520729830 U CN 201520729830U CN 204945977 U CN204945977 U CN 204945977U
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Abstract
The utility model discloses a kind of display device and pressure-detecting device, the FPC electrode of FPC towards display panel side is positioned at by increasing between display panel and FPC, be positioned at display panel towards FPC side and the top electrode of ground connection, at FPC electrode and the dielectric substance possessing elastic deformation ability contacted respectively between top electrode and with FPC electrode and top electrode; Or, increase between FPC and complete machine center and be positioned at the FPC electrode of FPC towards complete machine center side, the dielectric substance possessing elastic deformation ability contacted respectively between FPC electrode with complete machine center and with FPC electrode and complete machine center, detect the size of effect pressure on a display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of display device and pressure-detecting device.
Background technology
Along with improving constantly of living standard, the requirement of user to the function of electronic product is also more and more higher, often need an electronic product can realize several functions simultaneously, such as, require that display device can realize the function of pressure detection while realizing Presentation Function.
But, as shown in Figure 1, because traditional display device mainly comprises display panel 11, the complete machine center 12 of ground connection and the FPC (FlexiblePrintedCircuit between described display panel 11 and described complete machine center 12, flexible PCB) 13 etc., thus, usually the function shown can only be realized, when there being External Force Acting on display panel 11, display device cannot detect the size of this external force, namely, the detection to the pressure acted on display panel 11 cannot be realized, thus the function causing display device to possess is not enriched, the demand of user can not be met, make Consumer's Experience poor.
Utility model content
The utility model embodiment provides a kind of display device, comprises display panel, the complete machine center of ground connection and the flexible PCB FPC between described display panel and described complete machine center, also comprises:
Be positioned at the FPC electrode of described FPC towards described display panel side;
Be positioned at described display panel towards described FPC side and the top electrode of ground connection; And,
At described FPC electrode and the dielectric substance possessing elastic deformation ability contacted respectively between described top electrode and with described FPC electrode and described top electrode.
The utility model embodiment still provides a kind of pressure-detecting device based on above-mentioned display device, and described device comprises:
Detecting unit, when having External Force Acting on described display panel for detecting, the capacitance variations value between described top electrode and described FPC electrode;
Processing unit, for the described capacitance variations value detected according to described detecting unit, determines the size of the pressure acted on described display panel.
The utility model embodiment still provides another kind of display device, comprises display panel, the complete machine center of ground connection and the flexible PCB FPC between described display panel and described complete machine center, also comprises:
Be positioned at the FPC electrode of described FPC towards described complete machine center side; And,
The dielectric substance possessing elastic deformation ability contacted respectively between described FPC electrode with described complete machine center and with described FPC electrode and described complete machine center.
The utility model embodiment still provides a kind of pressure-detecting device based on above-mentioned another kind of display device, and described device comprises:
Detecting unit, when having External Force Acting on described display panel for detecting, the capacitance variations value between described FPC electrode and described complete machine center;
Processing unit, for the described capacitance variations value detected according to described detecting unit, determines the size of the pressure acted on described display panel.
The utility model beneficial effect is as follows:
The utility model embodiment provides a kind of display device and pressure-detecting device, by increasing FPC electrode at FPC towards the side of display panel, at the top electrode of display panel towards the side increase ground connection of FPC, and, between top electrode and FPC electrode, increase the dielectric substance possessing elastic deformation ability contacted respectively with FPC electrode and top electrode, or, increase between FPC and the complete machine center of ground connection and be positioned at the FPC electrode of FPC towards complete machine center side, the dielectric substance possessing elastic deformation ability contacted respectively with FPC electrode and complete machine center is increased between FPC electrode with complete machine center, make when External Force Acting is on display panel, by detecting the capacitance variations value between top electrode and FPC electrode or the capacitance variations value between FPC electrode and complete machine center, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that display device structure schematic diagram traditional in prior art;
Figure 2 shows that the structural representation of display device described in the utility model embodiment one;
Figure 3 shows that the utility model embodiment one comprises multiple with the schematic diagram of the matrix form electrode of the sub-electrode of matrix arrangement;
Figure 4 shows that each sub-electrode of matrix form FPC electrode and the connection diagram of FPC in the utility model embodiment one;
Figure 5 shows that the process flow diagram of a kind of pressure detection method in the utility model embodiment two;
Figure 6 shows that the schematic diagram of capacitance pressure transducer;
Figure 7 shows that the structural representation of a kind of pressure-detecting device in the utility model embodiment three;
Figure 8 shows that the structural representation of a kind of display device in the utility model embodiment four;
Figure 9 shows that the process flow diagram of a kind of pressure detection method in the utility model embodiment five;
Figure 10 shows that the structural representation of a kind of pressure-detecting device in the utility model embodiment six.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one:
Can not realize the problem of pressure detection to solve existing display device, the utility model embodiment one provides a kind of display device.Particularly, as shown in Figure 2, it is the structural representation of display device described in the utility model embodiment one, described display device can comprise display panel 11, the complete machine center 12 of ground connection and the FPC (flexible PCB) 13 between described display panel 11 and described complete machine center 12, and described display device also can comprise:
Be positioned at the FPC electrode 14 of described FPC13 towards described display panel 11 side;
Be positioned at described display panel 11 towards described FPC13 side and the top electrode 15 of ground connection; And,
The dielectric substance 16 possessing elastic deformation ability contacted respectively between described FPC electrode 14 with described top electrode 15 and with described FPC electrode 14 and described top electrode 15.
Like this, when External Force Acting is on display panel 11, elastic deformation can be there is in the dielectric substance 16 possessing elastic deformation ability thereupon, and then the distance between top electrode 15 and FPC electrode 14 is changed, the capacitance between top electrode 15 and FPC electrode 14 is caused to change further, so namely, by detecting the capacitance variations value between top electrode 15 and FPC electrode 14, determine the size of the pressure acted on display panel 11, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
It should be noted that, display panel 11 can comprise three parts usually, be respectively CF (color membrane substrates), Array (array base palte) and BLU (backlight module), and BLU can be arranged on the side towards FPC13 and complete machine center 12 usually, CF can be arranged on the side away from FPC13 and complete machine center 12, and Array can be arranged between CF and BLU.
Particularly, display panel 11 in the utility model embodiment one can be TN (TwistedNematic, twisted nematic) panel, IPS (In-PlaneSwitching, plane conversion) panel, CPA (ContinuousPinwheelAlignment, continuous fireworks shape arrangement) panel, ADSDS (AdvancedSuperDimensionSwitch, senior super dimension field switch technology) panel, MVA (Multi-domainVerticalAlignment, many quadrants vertical orientation technology) panel and PVA (PatternedVerticalAlignment, pattern vertical orientation technology) panel etc., the utility model embodiment is not limited in any way this.
Particularly, the described dielectric substance 16 possessing elastic deformation ability refers to and under stress deformation can occur, and the dielectric substance of original state can be recoiled to immediately after distress resolves, as can be foam, certainly, also can be rubber, resin etc., the utility model is not also limited in any way this.
Further, (namely described FPC electrode 14 can be face electrode, can be the electrode of whole), or, can be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement (as shown in Figure 3, its be comprise multiple with the structural representation of the matrix form FPC electrode 14 of the sub-electrode of matrix arrangement).
It should be noted that, when described FPC electrode 14 is when comprising multiple matrix form electrode with the sub-electrode of matrix arrangement, the shape of its each sub-electrode comprised can be determined according to the actual requirements, as can be the square shown in Fig. 3, or also can be bar shaped, triangle etc., the utility model embodiment does not repeat this.
Similar, described top electrode 15 can be face electrode (that is, can be the electrode of whole); Or, can be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement.
That is, described top electrode 15 1 aspect can be used as an electrode of electric capacity, also can play the effect of shielded signal on the other hand, each electrode and the impact of metal wire on pressure transducer in display device are decreased, improve antijamming capability, improve Consumer's Experience further.
It should be noted that, when described FPC electrode 14 is when comprising multiple matrix form electrode with the sub-electrode of matrix arrangement, detect to realize multiple spot better, described top electrode 15 can be set to comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement usually; And, multiple sub-electrode that described top electrode 15 comprises and multiple sub-electrode one_to_one corresponding that described FPC electrode 14 comprises.
Particularly, the material of described FPC electrode 14 and top electrode 15 can be conductive metal material (as, gold, silver, copper etc.) or non-metallic conducting material (e.g., tin indium oxide ITO, Graphene, carbon nano-tube etc.), the utility model is not limited in any way this.
Preferably, described top electrode 15 is specifically connected with described complete machine center 12 by conducting resinl 17, the object be indirectly grounded.Wherein, conducting resinl 17 can be the tackifier that can realize arbitrarily conducting function, and the utility model embodiment is not limited in any way this.
Further, described FPC electrode 14 is the routing layers being imported described FPC13 by metal routing, with what be connected with described FPC13.
Such as, as shown in Figure 4, each sub-electrode in described FPC electrode 14 is connected with FPC13 by corresponding metal routing; Wherein, described metal routing is the metal material that can realize arbitrarily electric conductivity, can select according to the actual requirements, and e.g., gold, silver, copper etc., the utility model embodiment is not limited in any way this.
Further, it should be noted that, display device described in the utility model embodiment specifically can be used on the electronic products such as mobile phone, flat panel TV (LCD and PDP), notebook computer, digital camera, and the utility model embodiment is not limited in any way this.
The utility model embodiment provides a kind of display device, the FPC electrode of FPC towards display panel side is positioned at by increasing between display panel and FPC, be positioned at display panel towards FPC side and the top electrode of ground connection, at FPC electrode and the dielectric substance possessing elastic deformation ability contacted respectively between top electrode and with FPC electrode and top electrode, make when External Force Acting is on display panel, by detecting the capacitance variations value between top electrode and FPC electrode, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Embodiment two:
The utility model embodiment two provides a kind of pressure detection method being applicable to display device described in the utility model embodiment one.Particularly, as shown in Figure 5, it is the process flow diagram of a kind of pressure detection method in the utility model embodiment two, and described method can comprise the following steps:
Step 501: when detection has External Force Acting on described display panel 11, the capacitance variations value between described top electrode 15 and described FPC electrode 14.
Particularly, when there being External Force Acting on display panel 11, there is compression set in the dielectric substance 16 possessing elastic deformation ability, namely under the effect of the pressure, the distance between top electrode 15 and FPC electrode 14 can be changed, and then change capacitance between the two.
That is, described top electrode 15, FPC electrode 14 and possess elastic deformation ability dielectric substance 16 form capacitor can be applied to pressure detection aspect, as can be used as a capacitance pressure transducer.Wherein, the principle of described capacitance pressure transducer, can be as shown in Figure 6, as shown in Figure 6, capacitance pressure transducer, can by double layer of metal pole plate (as, FPC electrode 14 described in the utility model embodiment two and top electrode 15 etc.) and described double layer of metal pole plate between dielectric (as, the dielectric substance 16 etc. possessing elastic deformation ability in the utility model embodiment two) composition, when there being pressure to act on double layer of metal pole plate, dielectric medium stress generation compression set, thus cause the distance between double layer of metal pole plate to diminish, according to plate electrode formula C=(ε S)/d, diminishing of the spacing of two-layer battery lead plate, can make corresponding capacitance increase (as, in formula, d reduces, C can be caused to increase).
Step 502: according to the described capacitance variations value detected, determine the size of the pressure acted on described display panel 11.
That is, in technical scheme described in the utility model embodiment two, when External Force Acting is on display panel, by detecting the capacitance variations value between top electrode and FPC electrode, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Embodiment three:
Based on the design identical with the utility model embodiment two, the utility model embodiment three provides a kind of pressure-detecting device being applicable to display device described in the utility model embodiment one, as shown in Figure 7, it is the structural representation of pressure-detecting device in the utility model embodiment three, as shown in Figure 7, described pressure-detecting device can comprise:
Detecting unit 71, can be used for detection when having External Force Acting on described display panel 11, the capacitance variations value between described top electrode 15 and described FPC electrode 14.
Processing unit 72, can be used for the described capacitance variations value detected according to described detecting unit, determines the size of the pressure acted on described display panel 11.
That is, in technical scheme described in the utility model embodiment three, when External Force Acting is on display panel, by detecting the capacitance variations value between top electrode and FPC electrode, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Embodiment four:
The utility model embodiment four provides a kind of display device.Particularly, as shown in Figure 8, it is the structural representation of display device described in the utility model embodiment four, described display device can comprise display panel 11, the complete machine center 12 of ground connection and the flexible PCB FPC13 between described display panel 11 and described complete machine center 12, also can comprise:
Be positioned at the FPC electrode 14 of described FPC13 towards described complete machine center 12 side; And,
The dielectric substance 16 possessing elastic deformation ability contacted respectively between described FPC electrode 14 with described complete machine center 12 and with described FPC electrode 14 and described complete machine center 12.
Like this, when External Force Acting is on display panel 11, elastic deformation can be there is in the dielectric substance 16 possessing elastic deformation ability thereupon, and then the distance between FPC electrode 14 and complete machine center 12 is reduced, the capacitance between FPC electrode 14 and complete machine center 12 is caused to change further, so namely, by detecting the capacitance variations value between FPC electrode 14 and complete machine center 12, determine the size of the pressure acted on display panel 11, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Particularly, display panel 11 in the utility model embodiment four can be TN (TwistedNematic, twisted nematic) panel, IPS (In-PlaneSwitching, plane conversion) panel, CPA (ContinuousPinwheelAlignment, continuous fireworks shape arrangement) panel, ADSDS (AdvancedSuperDimensionSwitch, senior super dimension field switch technology panel), MVA (Multi-domainVerticalAlignment, many quadrants vertical orientation technology) panel and PVA (PatternedVerticalAlignment, pattern vertical orientation technology) panel etc., the utility model embodiment is not limited in any way this.
Particularly, described in possess elastic deformation ability dielectric substance 16 refer to and under stress deformation can occur, and the dielectric substance of original state can be recoiled to immediately after distress resolves, as can be foam; Certainly, also can be rubber, resin etc., the utility model is not also limited in any way this.
Further, described FPC electrode 14 can be face electrode (that is, can be the electrode of whole), or, can be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement (now, the structure of described FPC electrode 14 can as shown in Figure 3).
It should be noted that, when described FPC electrode 14 is when comprising multiple matrix form electrode with the sub-electrode of matrix arrangement, the shape of its each sub-electrode comprised can be determined according to the actual requirements, as can be the square shown in Fig. 3, or also can be bar shaped, triangle etc., the utility model embodiment does not repeat this.
Further, it should be noted that, in order to realize better multiple spot detect, described FPC electrode 14 usually can be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement.
Particularly, the material of described FPC electrode 14 can be conductive metal material (e.g., as, gold, silver, copper etc.) or non-metallic conducting material (as, as, tin indium oxide ITO, Graphene, carbon nano-tube etc.), the utility model is not limited in any way this.
Further, described FPC electrode 14 is the routing layers being imported described FPC13 by metal routing, with what be connected with described FPC13; Wherein, described metal routing is the metal material that can realize arbitrarily electric conductivity, can select according to the actual requirements, and e.g., gold, silver, copper etc., the utility model embodiment is not limited in any way this.
Such as, as shown in Figure 4, each sub-electrode in described FPC electrode 14 is connected with FPC13 by corresponding metal routing; Wherein, described metal routing is the metal material that can realize arbitrarily electric conductivity, can select according to the actual requirements, and e.g., gold, silver, copper etc., the utility model embodiment is not limited in any way this.
Further, it should be noted that, display device described in the utility model embodiment four specifically can be used on the electronic products such as mobile phone, flat panel TV (LCD and PDP), notebook computer, digital camera, and the utility model embodiment is not limited in any way this.
The utility model embodiment four provides a kind of display device, the FPC electrode of FPC towards complete machine center side is positioned at by increasing between FPC and complete machine center, the dielectric substance possessing elastic deformation ability contacted respectively between FPC electrode with complete machine center and with FPC electrode and complete machine center, make when External Force Acting is on display panel, by detecting the capacitance variations value between FPC electrode and complete machine center, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Embodiment five:
The utility model embodiment five provides a kind of pressure detection method being applicable to display device described in the utility model embodiment four.Particularly, as shown in Figure 9, it is the schematic flow sheet of a kind of pressure detection method in the utility model embodiment five, and described method can comprise the following steps:
Step 901: when detection has External Force Acting on described display panel 11, the capacitance variations value between described FPC electrode 14 and described complete machine center 12.
Particularly, when there being External Force Acting on display panel 11, there is compression set in the dielectric substance 16 possessing elastic deformation ability, namely under the effect of the pressure, the distance between FPC electrode 14 and complete machine center 12 can be changed, and then change capacitance between the two.
Step 902: according to the described capacitance variations value detected, determine the size of the pressure acted on described display panel 11.
That is, in technical scheme described in the utility model embodiment five, when External Force Acting is on display panel, by detecting the capacitance variations value between FPC electrode and complete machine center, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Embodiment six:
Based on the design identical with the utility model embodiment five, the utility model embodiment six proposes a kind of pressure-detecting device based on display device described in the utility model embodiment four, as shown in Figure 10, it is the structural representation of pressure-detecting device in the utility model embodiment six, as shown in Figure 10, described device comprises:
Detecting unit 101, can be used for detection when having External Force Acting on described display panel 11, the capacitance variations value between described FPC electrode 14 and described complete machine center 12;
Processing unit 102, can be used for the described capacitance variations value detected according to described detecting unit, determines the size of the pressure acted on described display panel 11.
That is, in technical scheme described in the utility model embodiment six, when External Force Acting is on display panel, by detecting the capacitance variations value between FPC electrode and complete machine center, determine the size of the pressure acted on display panel, thus solve the problem that existing display device can not realize pressure detection, improve Consumer's Experience.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (12)
1. a display device, comprises display panel, the complete machine center of ground connection and the flexible PCB FPC between described display panel and described complete machine center, it is characterized in that, also comprise:
Be positioned at the FPC electrode of described FPC towards described display panel side;
Be positioned at described display panel towards described FPC side and the top electrode of ground connection; And,
At described FPC electrode and the dielectric substance possessing elastic deformation ability contacted respectively between described top electrode and with described FPC electrode and described top electrode.
2. display device as claimed in claim 1, is characterized in that,
The described dielectric substance possessing elastic deformation ability is foam.
3. display device as claimed in claim 1, is characterized in that,
Described FPC electrode is face electrode; Or, be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement.
4. display device as claimed in claim 1, is characterized in that,
The described very face electrode that powers on; Or, be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement.
5. display device as claimed in claim 1, is characterized in that,
Described top electrode is connected by conducting resinl with described complete machine center.
6. display device as claimed in claim 1, is characterized in that,
Described FPC electrode imports the routing layer of described FPC by metal routing, to be connected with described FPC.
7., based on a pressure-detecting device for the arbitrary described display device of claim 1 ~ 6, it is characterized in that, comprising:
Detecting unit, when having External Force Acting on described display panel for detecting, the capacitance variations value between described top electrode and described FPC electrode;
Processing unit, for the described capacitance variations value detected according to described detecting unit, determines the size of the pressure acted on described display panel.
8. a display device, comprises display panel, the complete machine center of ground connection and the flexible PCB FPC between described display panel and described complete machine center, it is characterized in that, also comprise:
Be positioned at the FPC electrode of described FPC towards described complete machine center side; And,
The dielectric substance possessing elastic deformation ability contacted respectively between described FPC electrode with described complete machine center and with described FPC electrode and described complete machine center.
9. display device as claimed in claim 8, is characterized in that,
The described dielectric substance possessing elastic deformation ability is foam.
10. display device as claimed in claim 8, is characterized in that,
Described FPC electrode is face electrode; Or, be comprise multiple with the matrix form electrode of the sub-electrode of matrix arrangement.
11. display device as claimed in claim 8, is characterized in that,
Described FPC electrode imports the routing layer of described FPC by metal routing, to be connected with described FPC.
12. 1 kinds, based on the pressure-detecting device of the arbitrary described display device of claim 8 ~ 11, is characterized in that, comprising:
Detecting unit, when having External Force Acting on described display panel for detecting, the capacitance variations value between described FPC electrode and described complete machine center;
Processing unit, for the described capacitance variations value detected according to described detecting unit, determines the size of the pressure acted on described display panel.
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| CN201520729830.8U CN204945977U (en) | 2015-09-18 | 2015-09-18 | A kind of display device and pressure-detecting device |
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| CN201520729830.8U CN204945977U (en) | 2015-09-18 | 2015-09-18 | A kind of display device and pressure-detecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183230A (en) * | 2015-09-18 | 2015-12-23 | 京东方科技集团股份有限公司 | Display device, pressure detection method and pressure detection device |
| CN106201115A (en) * | 2016-09-18 | 2016-12-07 | 合肥京东方光电科技有限公司 | A kind of pressure touch device and display device |
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2015
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183230A (en) * | 2015-09-18 | 2015-12-23 | 京东方科技集团股份有限公司 | Display device, pressure detection method and pressure detection device |
| WO2017045328A1 (en) * | 2015-09-18 | 2017-03-23 | 京东方科技集团股份有限公司 | Display apparatus, pressure measurement method, and pressure measurement apparatus |
| US10007387B2 (en) | 2015-09-18 | 2018-06-26 | Boe Technology Group Co., Ltd. | Display device, pressure detecting method and pressure detecting device |
| CN106201115A (en) * | 2016-09-18 | 2016-12-07 | 合肥京东方光电科技有限公司 | A kind of pressure touch device and display device |
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