CN205540655U - Touch screen and touch display device - Google Patents
Touch screen and touch display device Download PDFInfo
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- CN205540655U CN205540655U CN201620237934.1U CN201620237934U CN205540655U CN 205540655 U CN205540655 U CN 205540655U CN 201620237934 U CN201620237934 U CN 201620237934U CN 205540655 U CN205540655 U CN 205540655U
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Abstract
The utility model relates to a touch -sensitive screen and touch display apparatus. The touch -sensitive screen is including the protection apron, touch -sensitive unit and support plate, the protection apron has the regional and frame region of touch, the touch -sensitive unit is used for the response to exert the touch signal on protecting the apron and include the electrode that lies in the touch region, and be located the frame regional with electrode lead that be connected, the support plate is used for bearing the weight of touch -sensitive unit and protection apron, the support plate have the conductive region and the touch -sensitive unit between set up the elastic layer, the support plate forms with electrode lead and is used for the response to exert the pressure signal's on the frame region of protection apron capacitance inductor. The utility model discloses well formation is used for examining dynamometric capacitance inductor and does not introduce new structure, and utilizes electrode lead in the touch -sensitive unit as one of them polar plate, can save away line space and raw and other materials to the manufacture craft phase -match of ability and touch -sensitive screen does not need to add in addition laminated structure, can practice thrift manufacturing cost.
Description
Technical field
This utility model relates to touch-control display field, particularly relates to a kind of touch with pressure sensitive function
Screen and touch display unit.
Background technology
Touch screen is because having the advantage such as ease for operation, motility, it has also become PMC equipment is with comprehensive
Primary human's interactive means of information terminal (such as mobile phone, panel computer and super notebook computer etc.).Phase
For resistive touch screen and the touch screen of alternate manner, capacitive touch screen with low cost, simple in construction and
The advantage such as durable, is gradually widely used by intelligent terminal.But, existing capacitance touch screen only perception screen body
The touch location of place plane and operation, it is difficult to perception puts on the pressure of screen surface and changes the touch brought
Parameter.
In order to be able to the pressure change of sensing screen surface, dealer is integrated pressure sensor in touch screen.But mesh
Before solution in, structure design and manufacture process are the most complicated, do not agree with touch screen manufacturer
The attaching process used during making touch screen, the cost hindering pressure sensitive function reduces and popularization
Exhibition.
Utility model content
Based on this, this utility model aims to provide one can detect touch pressure signal and processing technology is simple
Touch screen and touch display unit.
A kind of touch screen, including cover sheet, touch sensing unit and support plate, described cover sheet has tactile
Touching region and be positioned at the frame region of outer, touch area, described touch sensing unit puts on guarantor for sensing
Touch signal on protecting cover plate, described touch sensing unit includes the electrode being positioned at touch area, and is positioned at
The contact conductor of frame region, described electrode is connected with contact conductor, and described support plate is used for carrying touch sensible
Unit and cover sheet, arrange elastic layer between described support plate and touch sensing unit, and described support plate has
Conductive region, the conductive region of described support plate is corresponding with contact conductor and formation puts on protection cap for sensing
The capacitive sensing device of the pressure signal in the frame region of plate.
Wherein in an embodiment, the electrode of described touch sensing unit includes touching drive electrode and touch
Induction electrode, described contact conductor includes that drive electrode lead-in wire and induction electrode go between, and described drive electrode draws
Line is connected with touching drive electrode, and described induction electrode lead-in wire is connected with touch sensible electrode, described support plate
Conductive region and described drive electrode lead-in wire or induction electrode lead-in wire put on protection cap for sensing described in being formed
The capacitive sensing device of the pressure signal in plate frame region.
Wherein in an embodiment, described touch drive electrode and touch sensible distribution of electrodes are in same base material
On, or it is distributed in two different base materials respectively.
Wherein in an embodiment, described cover sheet touches drive electrode and/or touch sensible as carrying
The base material of electrode.
Wherein in an embodiment, described support plate is composited by insulating substrate and metal base, or institute
State support plate include insulating substrate and be arranged at the conductive layer on insulating substrate surface.
Wherein in an embodiment, described support plate is the center of carrying touch sensing unit.
Wherein in an embodiment, described support plate is provided with sunk area, and described sunk area is used for housing
One display unit.
Wherein in an embodiment, described elastic layer is the silicon of the frame region being correspondingly arranged at cover sheet
Glue-line, rubber layer, acrylic acid series glue-line, sol layer, foam sponge layer, aerated plastics layer, porous polyester layer,
Porous polypropylene layer or foam glue-line.
Wherein in an embodiment, also include that processor, described processor are used for controlling described capacitive sensing
The work schedule of device and the work schedule of described touch sensing unit stagger, and make the sensing of pressure signal and touch
The sensing touching signal does not interfere with each other.
A kind of touch display unit, including any one touch screen above-mentioned, and display unit, described aobvious
Show that unit is arranged between support plate and touch sensing unit, and be correspondingly arranged at the touch area of cover sheet,
Described elastic layer is arranged on the outer of display unit.
This utility model obtains the pressure signal of touch operation by the way of monitoring electric capacity, constitutes for pressure
The capacitive sensing device of induction of signal can detect multiple point touching pressure signal simultaneously, and by constituting electric capacity sense
Answer introducing elastic layer between two pole plates of device, utilize it elastic deformation can occur easily under stress, from
And the capacitive sensing device of detection power can be made to produce sensitive capacitance variations corresponding to touch pressure, finally realize
Sensitive Detection to touch pressure.New knot is not introduced for the capacitive sensing device detecting power additionally, formed
Structure, and utilize the contact conductor in touch sensing unit as one of them pole plate, it is possible to save cabling space
And raw material, and can match with the processing technology of touch screen, it is not necessary to separately add laminated construction, it is possible to save
Cost, rapid mass production.
Accompanying drawing explanation
The structural representation of the touch display unit that Fig. 1 is provided by this utility model one embodiment.
Detailed description of the invention
The touch screen that this utility model provides can as the consumption electronic products such as mobile phone, panel computer or
The touch screen with the display terminal touching interactive form of the type such as ATM, information display terminal,
Accordingly, this utility model provide touch display unit can be mobile phone, panel computer, ATM,
The display terminal with touch interactive form of the types such as information display terminal.
Described touch screen includes cover sheet, touch sensing unit and support plate.Described touch display unit includes
Described touch screen and display unit.Wherein said cover sheet has touch area and is positioned at outside touch area
The frame region on edge, described touch sensing unit puts on the touch signal on cover sheet, institute for sensing
State touch sensing unit and include being positioned at the electrode of touch area, and be positioned at the contact conductor of frame region, institute
Stating electrode to be connected with contact conductor, described support plate is used for carrying touch sensing unit and cover sheet.
Elastic layer is set between described support plate and touch sensing unit, and the subregion of described support plate has and leads
Electrically, specifically, the described support plate region corresponding with contact conductor has electric conductivity, and other regions are not
There is electric conductivity.The conductive region of described support plate is formed with contact conductor and puts on protection cap edges of boards for sensing
The capacitive sensing device of the pressure signal on frame region.
Further, the electrode of touch sensing unit includes touching drive electrode and touch sensible electrode.Described
Contact conductor includes that drive electrode lead-in wire and induction electrode go between, and described drive electrode lead-in wire drives electricity with touching
Pole connects, and described induction electrode lead-in wire is connected with touch sensible electrode, and the conductive region of described support plate is with described
Drive electrode lead-in wire or induction electrode lead-in wire put in cover sheet frame region for sensing described in being formed
The capacitive sensing device of pressure signal.
Touch drive electrode and touch sensible electrode can be distributed in the GF on same base material, such as alleged by industry
Structure, GF2 structure etc., or be distributed in two different base materials respectively, such as the GFF structure alleged by industry.
In some embodiments additionally, touch drive electrode and touch sensible electrode can also be formed at cover sheet
Lower surface and make cover sheet have the function of capacitance sensor of sensing touch signal concurrently, this kind of structure is by industry
Boundary is referred to as OGS structure.This utility model alleged " on ", D score be in application relative to touch display unit
During for the degree close with user, the side of relatively close user be " on ", be relatively distant from and make
The side of user is D score.The lower surface of such as cover sheet refers to the cover sheet side away from user.
In some embodiments additionally, a kind of in these two kinds of electrodes can also be formed at the base fitting in cover sheet
G1F structure alleged by the surface of material, such as industry.
Described display unit is arranged between support plate and touch sensing unit, and is correspondingly arranged at cover sheet
Touch area, described elastic layer is arranged on the outer of display unit.Described display unit includes liquid crystal functional layer
And backlight module, upper polaroid that described liquid crystal functional layer includes setting gradually, optical filter, liquid crystal layer, base
Plate and lower polaroid, described backlight module include the upper diffusion sheet set gradually, upper prismatic lens, lower prismatic lens,
Lower diffusion sheet, light guide plate and reflector plate.Described liquid crystal functional layer also includes the pixel electricity for driving liquid crystal layer
Pole and public electrode.
Further, described display unit is thin film transistor (TFT) display unit, utilizes thin film transistor (TFT) to liquid crystal
Layer is driven.The electrode of described display unit also includes the electrode being connected with thin film transistor (TFT), specifically includes
Raster data model array electrode, source drive array electrode and drain drives electrode.The described leakage of thin film transistor (TFT)
Pole drive electrode is connected with pixel electrode.
In certain embodiments, pixel electrode and public electrode are positioned at the same side of liquid crystal layer, it is provided that electric field
Liquid crystal layer will be parallel to be used for driving liquid crystal, plane conversion type (IPS, In-Plane alleged by this structure namely industry
Switch) structure.In other embodiment, pixel electrode and the public electrode of liquid crystal layer lay respectively at liquid
The both sides of crystal layer, twisted nematic (TN, Twisted Nematic) structure alleged by this structure namely industry.
Described touch drive electrode and touch sensible electrode put on the touch letter on cover sheet for sensing
Number.Described touch signal includes the contact being parallel on the two-dimensional directional of cover sheet, slides, pulls etc. and to touch
Touch input signal, even include being perpendicular on cover sheet direction every empty input signal (i.e. suspension touch control letter
Number) or the touch input signal of side (such as bending the arc-shaped side edges of screen) at cover sheet edge.
Described touch drive electrode and touch sensible electrode can by sputtering, being deposited with, the mode such as printing makes
On transparent base material, on the transparent thin-film materials such as PET, PC, glass.Described touch drive electrode and
The electrode pattern of touch sensible electrode can be etched by ITO film, PET upper silk-screened conductive slurry obtains,
Or use the technique of metal grill (metal-mesh) to obtain.Corresponding contact conductor can use printing, erosion
The techniques such as quarter obtain.
Further, described touch screen also includes flexible PCB and processor.Flexible PCB will process
Device electrically connects with contact conductor.The touch signal touching drive electrode and the acquisition of touch sensible electrode passes through electrode
Lead-in wire transmission is to flexible PCB, and treated device processes further, to obtain final touching position information.
The conductive region of described support plate and described drive electrode lead-in wire or induction electrode lead-in wire are used for feeling described in being formed
The capacitive sensing device of pressure signal in cover sheet frame region should be put on.
Described support plate is conduction plate body.Described support plate is as cover sheet, touch sensing unit, display unit
Carrier, if necessary, support plate itself can make insulation position with the element in touch sensing unit, display unit
Reason forms non-conducting areas.When described touch display unit is mobile phone, described support plate can be in mobile phone
Frame.Support plate is positioned in phone housing, and the side of support plate is for carrying the cover sheet of touch display unit, touching
Touch the components and parts such as sensing unit, display unit and mainboard, the components and parts such as the opposite side of support plate then placing battery.
When described touch display unit is other kinds of equipment, it is possible to for similar sheet material.
Described support plate can be metal material, and uses same grounding with touch display unit.Or it is described
Support plate is composited by insulating substrate and metal base, and uses same grounding with touch display unit.
Or described support plate includes insulating substrate and is arranged at the conductive layer of insulating substrate one side surface and aobvious with touching
Showing device uses same grounding.
Described elastic layer can be layer of silica gel, rubber layer, acrylic acid series glue-line or sol layer, it is also possible to by
Porous material constitute, as can be foam sponge layer, aerated plastics layer, porous polyester layer, porous polypropylene layer,
Foam glue-line etc..Described elastic layer is arranged on support plate and is correspondingly arranged with the frame region of cover sheet.
Being support plate because forming a pole plate of the capacitive sensing device for detecting power, another pole plate is for touching sense
Answering the contact conductor in unit, contact conductor, as pressure signal and the common elements of touch signal, needs to make
Obtain these contact conductors and there is different operating state to realize difference in functionality.Therefore, described touch display unit
In processor, also should possess and make described contact conductor provide at the first state and the function of the second state,
Wherein when described first state, described contact conductor is arranged to realize touching of touch sensing unit self
Touching inducing function, when described second state, described contact conductor is configured as some electric capacity of detection power
The electrode of induction apparatus, for realizing the detection function of pressure signal.
Additionally, described processor is for controlling the work of the contact conductor of some capacitive sensing devices of described detection power
The work schedule making sequential and described touch drive electrode and touch sensible electrode staggers, and makes the inspection of pressure signal
Survey the inducing function with touch signal not interfere with each other.
Described elastic layer can be believed according to the force value touched by when touching pressing in the frame region of described cover sheet
Breath and touch location produce corresponding elastic compression, and can recover to just when touch pressing removes Descemet's membrane
The state begun or recovery are to close to initial state.When described touch display unit is pressed power,
The position of applying power, due to elastic layer by compression, constitutes two pole plates of capacitive sensing device of detection power (also
I.e. support plate and the base material of carrying contact conductor) between distance can reduce, and it reduces degree and institute
The force value applied is corresponding relation.Therefore can be realized by the capacitance variations detecting aforesaid capacitive sensing device
Detection to the touch pressure on touch display unit.
Specifically, after touch display unit stress, the distance between support plate and contact conductor can along with pressure not
Diminish to some extent with generation.Computing formula C=ε S/4 π kd according to electric capacity, the capacitive sensing formed
The capacitance of device strains greatly mutually.Owing to touch forces different on touch display unit makes each of touch display unit
Individual position can produce corresponding strain, and then produces the change of corresponding d value.Therefore, it can set up and touch
The capacitance variation information of the some capacitive sensing devices being previously described for detection power in display device fills with touching display
The mutual relation data base by force information put.In actual applications, described touch display unit also includes
Memorizer, in memorizer, storage has the diverse location in touch display unit to carry out under different force value touches,
Detecting the capacitance variation information of each capacitive sensing device of power in touch display unit, processor is used for contrasting tactile
Touch the capacitance variation information of some capacitive sensing devices that display device detection obtains and the capacitance variations of institute's pre-stored
Information, thus judge the pressure information of touch display unit.Wherein pressure information includes the size of the power touched,
The position of touch force can also be included.
In concrete capacitance detecting, similar with capacitance-type touch screen technology, can divide from holding and the side of mutual tolerance
Method.In appearance method, the support plate in two pole plates or contact conductor ground connection, in touch press pressure inspection
During survey, touch display unit directly detects the electric capacity between the pole plate of ungrounded pole plate and ground connection.Additionally,
This kind of method can extend into further " class from hold method ", the most aforementioned described and touch display unit
Differ be set to ground connection with the pole plate on ground, it is also possible to be in other fixed potential a certain.Now, touch is aobvious
The electric capacity that showing device directly detects is the electric capacity of some capacitance sensors that two pole plates are constituted.From holding
In method or " class is from the method held ", contact conductor can be driven by single-ended inducing method.
In the detection method of mutual tolerance, touch display unit can be gone between by drive electrode and be entered by support plate
Row sensing signal, or touch display unit can by drive support plate and by contact conductor carry out sense believe
Number.In this kind of method, the electric capacity that touch display unit directly detects is leading of contact conductor and support plate
The electric capacity of some capacitance sensors that electricity region is constituted.Further, in the detection method of mutual tolerance, touch
Display device can pass sequentially through and drive some in some contact conductors and by some contact conductors
Another one carries out sensing signal, and support plate for reference only electrode.Now, touch display unit institute is directly
The electric capacity of detection is the capacitance signal between respective electrode lead-in wire, but this capacitance signal indirectly embodies electrode and draws
Capacitance information between line and the conductive region of support plate.When touch display unit is by when touching pressing, and electrode draws
Capacitance information between line and the conductive region of support plate changes, each electricity that touch display unit is detected
Electric capacity between the lead-in wire of pole changes simultaneously.
Again embodiment of the present utility model is described further below with reference to accompanying drawing Fig. 1.
As it is shown in figure 1, this utility model one embodiment provide touch display unit include cover sheet 10,
Touch sensing unit 20, support plate 30, elastic layer 40 and display unit (not shown).
Cover sheet 10 is glass material, and touch sensing unit 20 includes two independent base materials 21,22,
And it is respectively formed at the touch drive electrode 210 on two base materials 21,22 surface and touch sensible electrode
220, and the drive electrode lead-in wire 211 being connected with touch drive electrode 210, touch sensible electrode 220 respectively
With induction electrode lead-in wire 221, the thus touch screen of composition GFF structure type alleged by industry.It is appreciated that
In other embodiments, touch screen can also is that other structures such as G1F.
Cover sheet 10 has touch area 100 and is positioned at the frame region 101 of outer, touch area 100.
In diagram embodiment, touch area 100 is positioned at the zone line of cover sheet 10, and frame region 101 is positioned at
The region, edge of cover sheet 10.
The touch area 100 touching drive electrode 210 and the corresponding cover sheet 10 of touch sensible electrode 220 sets
Put.In other words, drive electrode 210 and the touch sensible electrode 220 orthographic projection in cover sheet 10 are touched
It is respectively positioned in touch area 100.Drive electrode lead-in wire 211 and the corresponding cover sheet of induction electrode lead-in wire 221
The frame region 101 of 10 is arranged.Touch drive electrode 210 to arrange near cover sheet 10, it is possible to understand that
In other embodiments, it is also possible to be that touch sensible electrode 220 is arranged near cover sheet 10.
Drive electrode lead-in wire 211 and induction electrode lead-in wire 221 are by a flexible PCB 50 and processor (figure
Do not show) connect.
Support plate 30 is the center of mobile phone, is used for carrying cover sheet 10, touch sensing unit 20 and display single
The devices such as unit.Support plate 30 is provided with sunk area 31, and it is single that described sunk area 31 is used for housing described display
Unit.The touch area 100 of the corresponding cover sheet 10 of sunk area 31, thus described display unit also corresponding guarantor
The touch area 100 of protecting cover plate 10 is arranged.
Support plate 30 has conductive region 301 and non-conducting areas 302, wherein conductive region 301 and faradism
Pole lead-in wire 221 is corresponding, and both form two pole plates of the capacitive sensing device for detecting power.Conductive region 301
Outside other regions be non-conducting areas 302.The shape of conductive region 301 can go between with induction electrode
The pattern form of 221 is consistent, or can also be simple whole boxed area, such as corresponding sense shown in figure
Answer the rectangular region of contact conductor 221, or the rectangular region of corresponding elastic layer 40.
Elastic layer 40 is foam, and is arranged on support plate 30 frame region 101 of corresponding cover sheet 10,
Specifically, at two relative sides of the touch area 100 of cover sheet 10, it is positioned at the outer of display unit.
This utility model obtains the pressure signal of touch operation by the way of monitoring electric capacity, constitutes for pressure
The capacitive sensing device of induction of signal can detect multiple point touching pressure signal simultaneously, and by constituting electric capacity sense
Answer introducing elastic layer between two pole plates of device, utilize it elastic deformation can occur easily under stress, from
And the capacitive sensing device of detection power can be made to produce sensitive capacitance variations corresponding to touch pressure, finally realize
Sensitive Detection to touch pressure.New knot is not introduced for the capacitive sensing device detecting power additionally, formed
Structure, and utilize the contact conductor in touch sensing unit as one of them pole plate, it is possible to save cabling space
And raw material, and can match with the processing technology of touch screen, it is not necessary to separately add laminated construction, it is possible to save
Cost, rapid mass production.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right
For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special
The protection domain of profit should be as the criterion with claims.
Claims (10)
1. a touch screen, including cover sheet, touch sensing unit and support plate, described cover sheet has
Touch area and the frame region being positioned at outer, touch area, described touch sensing unit puts on for sensing
Touch signal on cover sheet, described touch sensing unit includes the electrode being positioned at touch area, Yi Jiwei
In the contact conductor of frame region, described electrode is connected with contact conductor, and described support plate is used for carrying touch sense
Answer unit and cover sheet, it is characterised in that between described support plate and touch sensing unit, elastic layer is set,
And described support plate has conductive region, the conductive region of described support plate is corresponding with contact conductor and is formed and is used for feeling
The capacitive sensing device of pressure signal in the frame region of cover sheet should be put on.
Touch screen the most according to claim 1, it is characterised in that the electrode of described touch sensing unit
Including touching drive electrode and touch sensible electrode, described contact conductor includes drive electrode lead-in wire and faradism
Pole goes between, and described drive electrode lead-in wire is connected with touching drive electrode, and described induction electrode goes between and touches sense
Answering electrode to connect, the conductive region of described support plate forms institute with described drive electrode lead-in wire or induction electrode lead-in wire
State the capacitive sensing device for sensing the pressure signal put in cover sheet frame region.
Touch screen the most according to claim 2, it is characterised in that described touch drive electrode and touch
Induction electrode is distributed on same base material, or is distributed in two different base materials respectively.
Touch screen the most according to claim 3, it is characterised in that described cover sheet touches as carrying
Touch drive electrode and/or the base material of touch sensible electrode.
Touch screen the most according to claim 1, it is characterised in that described support plate is by insulating substrate and gold
Belong to base material to be composited, or described support plate includes insulating substrate and is arranged at the conductive layer on insulating substrate surface.
Touch screen the most according to claim 5, it is characterised in that described support plate is carrying touch sensible
The center of unit.
Touch screen the most according to claim 6, it is characterised in that described support plate is provided with sunk area,
Described sunk area is used for housing a display unit.
Touch screen the most according to claim 1, it is characterised in that described elastic layer is for being correspondingly arranged at
The layer of silica gel of the frame region of cover sheet, rubber layer, acrylic acid series glue-line, sol layer, foam sponge layer, many
Hole plastic layer, porous polyester layer, porous polypropylene layer or foam glue-line.
Touch screen the most according to claim 1, it is characterised in that also include processor, described process
The work schedule of device work schedule and described touch sensing unit for controlling described capacitive sensing device is wrong
Open, make the sensing of pressure signal and the sensing of touch signal not interfere with each other.
10. a touch display unit, including the touch screen described in any one in claim 1-9 item, with
And display unit, described display unit is arranged between support plate and touch sensing unit, and is correspondingly arranged at guarantor
The touch area of protecting cover plate, described elastic layer is arranged on the outer of display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237934.1U CN205540655U (en) | 2016-03-24 | 2016-03-24 | Touch screen and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237934.1U CN205540655U (en) | 2016-03-24 | 2016-03-24 | Touch screen and touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205540655U true CN205540655U (en) | 2016-08-31 |
Family
ID=56783842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620237934.1U Active CN205540655U (en) | 2016-03-24 | 2016-03-24 | Touch screen and touch display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205540655U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339131A (en) * | 2016-10-11 | 2017-01-18 | 深圳贝特莱电子科技股份有限公司 | Capacitor-type forced induction mechanism |
| CN107918502A (en) * | 2016-10-10 | 2018-04-17 | 晨星半导体股份有限公司 | Mutual capacitance type pressure sensor and touch control display apparatus and its pressure sensing method |
| CN110531882A (en) * | 2018-05-24 | 2019-12-03 | 群创光电股份有限公司 | Display device |
| US10965798B2 (en) | 2016-12-26 | 2021-03-30 | Huawei Technologies Co., Ltd. | Touchscreen and terminal device with touchscreen |
-
2016
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| CN107918502A (en) * | 2016-10-10 | 2018-04-17 | 晨星半导体股份有限公司 | Mutual capacitance type pressure sensor and touch control display apparatus and its pressure sensing method |
| CN106339131A (en) * | 2016-10-11 | 2017-01-18 | 深圳贝特莱电子科技股份有限公司 | Capacitor-type forced induction mechanism |
| US10965798B2 (en) | 2016-12-26 | 2021-03-30 | Huawei Technologies Co., Ltd. | Touchscreen and terminal device with touchscreen |
| CN110531882A (en) * | 2018-05-24 | 2019-12-03 | 群创光电股份有限公司 | Display device |
| CN110531882B (en) * | 2018-05-24 | 2023-01-06 | 群创光电股份有限公司 | Display device |
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Effective date of registration: 20210420 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. |