CN107562240A - Touch screen - Google Patents

Touch screen Download PDF

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Publication number
CN107562240A
CN107562240A CN201610511710.XA CN201610511710A CN107562240A CN 107562240 A CN107562240 A CN 107562240A CN 201610511710 A CN201610511710 A CN 201610511710A CN 107562240 A CN107562240 A CN 107562240A
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CN
China
Prior art keywords
layer
pressure
inductive layer
touch screen
touch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610511710.XA
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Chinese (zh)
Inventor
刘伟
唐根初
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jingzhuo Optical Display Technology Co Ltd
Original Assignee
Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
Nanchang OFilm Biometric Identification Technology Co Ltd
Shenzhen OFilm Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanchang OFilm Tech Co Ltd, Suzhou OFilm Tech Co Ltd, Nanchang OFilm Biometric Identification Technology Co Ltd, Shenzhen OFilm Tech Co Ltd filed Critical Nanchang OFilm Tech Co Ltd
Priority to CN201610511710.XA priority Critical patent/CN107562240A/en
Publication of CN107562240A publication Critical patent/CN107562240A/en
Pending legal-status Critical Current

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Abstract

The invention provides touch screen, the touch screen includes:Cover sheet; display unit and pressure sensitive structure; wherein; display unit is arranged on below cover sheet; and the backlight module including display module and below the display module; pressure sensitive structure is located at below backlight module; and including first pressure inductive layer, second pressure inductive layer and the compressible interval between first pressure inductive layer and second pressure inductive layer, second pressure inductive layer is coupled to first pressure inductive layer and pressure sensitive electric capacity is formed between first pressure inductive layer.By finger, screen touch pen or it is other etc. pressure is applied to cover sheet after; the deformation of pressure sensitive layer can be caused; so that the pressure sensitive capacitance between pressure sensitive layer and ground plane changes; pass through the detection to pressure sensitive electric capacity; the pressure information applied, such as the size of the pressure of application, position etc. can be determined.

Description

Touch screen
Technical field
The present invention relates to technical field of touch control, specifically, being related to touch screen.
Background technology
Touch-screen is because having the advantages that ease for operation, intuitive and flexibility, it has also become PMC equipment and comprehensive Close primary human's interactive meanses of information terminal such as tablet personal computer and smart mobile phone, super notebook computer etc..Touch-screen according to Different touch-control principles can be divided into electric resistance touch screen, capacitance touch screen, infrared touch panel and surface acoustic wave (SAW) touch-screen etc. four Kind main Types.Wherein capacitance touch screen has a function of multi-point touch, the reaction time is fast, service life is long and light transmission rate compared with Height, user experience is superior, while is significantly improved with progressively maturation, the yields of technique, and capacitance plate price is increasingly Reduce, turned into the major technique that the interaction of small-medium size information terminal touch-control uses at present.
But capacitance touch screen only perceives the touch location of screen body place plane (X, Y-axis two-dimensional space), it is difficult to supports to hang down Directly perceived in the touch parameter of screen body plane (Z axis).
Thus, current touch-screen correlation technique still has much room for improvement.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention One purpose is that providing one kind has three-dimensional multipoint mode pressure sensitive touch screen.
In one aspect of the invention, the invention provides a kind of touch screen.According to an embodiment of the invention, the touch screen Including:Cover sheet, display unit, pressure sensitive structure, wherein, display unit is arranged on below cover sheet, and including Display module and the backlight module below display module, pressure sensitive structure are located at below backlight module, and including first Between pressure sensitive layer, second pressure inductive layer and compressible between first pressure inductive layer and second pressure inductive layer Every second pressure inductive layer is coupled to first pressure inductive layer and pressure sensitive electric capacity is formed between first pressure inductive layer. In the touch screen, by finger, screen touch pen or it is other etc. pressure is applied to cover sheet after, first pressure inductive layer can be caused Deformation so that the pressure sensitive capacitance between first pressure inductive layer and second pressure inductive layer changes, lead to Cross the detection to pressure sensitive electric capacity, it may be determined that the pressure information of application, such as the size of the pressure of application, position etc..
According to an embodiment of the invention, compressible gap filling resilient material.Thus, the deformation of touch-control screen surfaces can To be conducted by elastomeric material to first pressure inductive layer.
According to an embodiment of the invention, first pressure inductive layer is integrally disposed in the lower surface of the backlight module.Thus, It is easy to processing and the assembling of touch screen.
According to an embodiment of the invention, the second pressure inductive layer potential is steady state value.Thus, pressure sensitive is advantageous to The measurement of capacitance, response is good, the degree of accuracy is high.
According to an embodiment of the invention, the potential of second pressure inductive layer is zero.Thus, be advantageous to further improve touch-control The response of screen and sensitivity.
According to an embodiment of the invention, backlight module further comprises blooming piece lamination and hardware, the metal structure Part is to support display module and blooming piece lamination, and second pressure inductive layer is the hardware.Thus, hardware is sent out While waving supporting role, second pressure inductive layer is also used as, the structure of touch screen is taken full advantage of, simplifies touch screen Structure, be advantageous to lightening development trend.
According to an embodiment of the invention, the touch screen further comprises:Screen layer, the screen layer are located at first pressure sensing Side of the layer away from second pressure inductive layer.By setting screen layer, display module etc. can be eliminated to first pressure inductive layer Signal interference.
According to an embodiment of the invention, screen layer can be between backlight module and first pressure inductive layer.Thus, may be used Effectively to reduce influence of the signals such as display module to first pressure inductive layer, the response of pressure sensitive structure and accurate is improved Property.
According to an embodiment of the invention, the touch screen further comprises touch-control sensing layer, and the touch-control sensing layer is located at institute State between cover sheet and the display unit, the screen layer is around the touch-control sensing layer or positioned at the touch-control sensing Between layer and the display unit.Thus, screen layer effectively can reduce or avoid shadow of other signals to pressure sensitive structure Ring, and touch-control sensing layer can be with actual induction touching position information.
According to an embodiment of the invention, screen layer, touch-control sensing layer and first pressure inductive layer each it is independent by selected from The formation of at least one of ITO, metal grill, development and graphene metal level.Thus, there is good turn-on effect, Pressure-responsive is good.
Brief description of the drawings
Fig. 1 shows the structural representation of touch screen according to embodiments of the present invention.
Fig. 2 shows the structural representation of first pressure inductive layer according to embodiments of the present invention.
Fig. 3 A- Fig. 3 C show the structural representation of first pressure inductive layer according to another embodiment of the present invention.
Fig. 4 A- Fig. 4 C show the structural representation of the first pressure inductive layer according to further embodiment of this invention.
Fig. 5 A- Fig. 5 B show the structural representation of first pressure inductive layer according to yet another embodiment of the invention.
Fig. 6 shows the structural representation of first pressure inductive layer according to embodiments of the present invention and second pressure inductive layer Figure.
Fig. 7 shows the structural representation of touch screen according to an embodiment of the invention.
Fig. 8 shows the structural representation of first pressure inductive layer and screen layer according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail.The embodiments described below is exemplary, is only used for explaining this hair It is bright, and be not considered as limiting the invention.Unreceipted particular technique or condition in embodiment, according to text in the art Offer described technology or condition or carried out according to product description.Agents useful for same or the unreceipted production firm person of instrument, For the conventional products of acquisition purchased in market can be passed through.
In one aspect of the invention, the invention provides a kind of touch screen.According to an embodiment of the invention, reference picture 1, The touch screen includes:Cover sheet 100, display unit 200, and pressure sensitive structure 300, wherein, display unit 200 is arranged on The lower section of cover sheet 100, and display unit 200 includes display module 210 and the backlight module positioned at the lower section of display module 210 220, pressure sensitive structure 300 includes first pressure inductive layer 310, second pressure inductive layer 320 and positioned at first pressure sense The compressible gap 330 between layer 310 and second pressure inductive layer 320 is answered, first pressure inductive layer 310 is arranged on backlight module 220 lower section, second pressure inductive layer 320 are coupled to first pressure inductive layer 310 and the shape between first pressure inductive layer 310 Into pressure sensitive electric capacity.In the touch screen, by finger, screen touch pen or it is other etc. pressure is applied to cover sheet 100 after, meeting Cause the deformation of first pressure inductive layer 310, so that between first pressure inductive layer 310 and second pressure inductive layer 320 Pressure sensitive capacitance change, pass through the detection to pressure sensitive electric capacity, it may be determined that the pressure information of application, such as The size of the pressure of application, position etc..
According to an embodiment of the invention, the specific material of cover sheet 100 is not particularly limited, and can be that this area is conventional Cover sheet, such as including but not limited to PMMA, PC, glass, sapphire, ceramics etc..
According to an embodiment of the invention, display unit 200 is also not particularly limited, and can be any of display Part.In some embodiments of the invention, display unit 200 can be liquid crystal display, can also be OLED. Specifically, display unit 200 can be display screen and OLED display screen of the modes such as IPS, TFT, TN etc..
According to an embodiment of the invention, the specific material of first pressure inductive layer 310 is also not particularly limited, as long as can Pressure sensitive electric capacity is effectively formed between second pressure inductive layer 320.In some embodiments of the invention, the first pressure Power inductive layer 310 can be by ITO, metal grill (metal mesh), development conducting film, graphene metal level (such as Cu, Ag Coating, or metal organic ink, such as silver paste, copper are starched) formed, it can also be formed by FPC (FPCB).According to Embodiments of the invention, the thickness of first pressure inductive layer 310 can be between 10nm -300 μm of (ITO coating) (FPC).By This, can either ensure preferable inductive effects, also will not be blocked up, and cause the thickness increase or the waste of material of touch screen.
According to an embodiment of the invention, the specific set-up mode of first pressure inductive layer 310 is also not particularly limited, example Such as, in some embodiments of the invention, conductive layer directly can be plated in the lower surface of backlight module 220 integrally disposed, so The first pressure inductive layer 310 with predetermined electrode pattern is formed by modes such as etchings afterwards.In other implementations of the present invention In example, the first pressure inductive layer 310 with predetermined electrode pattern directly can be directly formed by silk-screen printing.In the present invention Some embodiments in, first pressure inductive layer 310 can be formed on flexible parent metal, wherein, flexible parent metal can be PET, The transparent organic film material such as PC, or nontransparent flexible material, such as flexible printed circuit board, first pressure sensing Layer 310 can be formed on the surface of flexible parent metal, can also be accommodated in based in the groove formed on flexible parent metal.
According to an embodiment of the invention, the touch screen is by detecting between first pressure inductive layer and second pressure inductive layer Pressure sensitive capacitance detecting pressure information.In some embodiments of the invention, the potential of second pressure inductive layer can be Steady state value.Thus, the detection of pressure capacitance is advantageous to, response and sensitivity are preferable.In some embodiments of the invention, The potential of two pressure sensitive layers can be zero.Thus.Touch-control screen structure is simple, and is advantageous to improve response and the spirit of touch screen Sensitivity.
According to some embodiments of the present invention, the touch screen is by detecting first pressure inductive layer 310 and second pressure sense The self-capacitance between layer 320 is answered to detect pressure information.Specifically, multiple electrodes are provided with first pressure inductive layer 310, at this In some embodiments of invention, the concrete shape of the electrode pattern in first pressure inductive layer 310 is not particularly limited.In this hair In some bright embodiments, reference picture 2, first pressure inductive layer 310 can contain multiple rectangular electrodes, and each electrode leads to respectively Cross connecting line and be connected to one or more processing units, processing unit is used to detect pressure sensitive electric capacity and determines to put on protection The pressure information of cover plate.It will be understood by those skilled in the art that Fig. 2 is merely illustrative first in the touch screen of the present invention Pressure sensitive layer 310, but limitation of the present invention can not be considered as, in other embodiments of the present invention, first pressure Electrode pattern in inductive layer 310 can be metal grill, rhombus, triangle, arc, rule or irregular polygon etc..
According to an embodiment of the invention, touch screen detects pressure sensitive electric capacity by mutual capacitance, and then determines pressure information. In some embodiments of the invention, reference picture 3A- Fig. 3 C, first pressure inductive layer 310 include substrate 311, driving electrodes Tx It is located at induction electrode Rx, driving electrodes Tx and induction electrode Rx on the same side of substrate 311.Thus, driving electrodes Tx and Induction electrode Rx can be arranged in same film layer, be advantageous to reduce the thickness of touch screen, met lightening development trend.Root According to embodiments of the invention, the thickness of first pressure inductive layer 310 can be between 0.01-0.03 millimeters.Thus, can either protect Preferable inductive effects are demonstrate,proved, also will not be blocked up, and cause the thickness increase or the waste of material of pressure sensitive touch screen.
According to an embodiment of the invention, the specific material of substrate 311 is not particularly limited, and those skilled in the art can spirit Selection living.In certain embodiments, base material can be the transparent organic film materials such as PET, PC, or nontransparent flexibility Material, such as flexible printed circuit board.
According to an embodiment of the invention, the set-up mode of driving electrodes and induction electrode on substrate is not particularly limited. In some embodiments, driving electrodes and induction electrode can be formed directly into base by way of silk-screen printing, plating or etching On one surface of plate.For example, conductive layer can be plated directly on substrate 311, driving electricity is then formed by modes such as etchings Pole and induction electrode.In other embodiments, groove can also be formed on substrate 311 in advance, then filling is led in a groove Electric material forms driving electrodes and induction electrode.Thus, be advantageous to reduce the thickness of touch screen.
According to an embodiment of the invention, driving electrodes are formed and the specific material of induction electrode is not particularly limited, ability Field technique personnel can flexibly select as needed.In some embodiments of the invention, driving electrodes and induction electrode can be with By tin indium oxide (ITO), metal grill (metal mesh), development conducting film, graphene metal level (such as independently of one another Cu, Ag coating, or metal organic ink, such as silver paste, copper are starched) formed, it can also be formed by FPC (FPCB). Thus, the turn-on effect of first pressure inductive layer 310 is preferable, has good pressure-responsive.
According to an embodiment of the invention, the concrete shape of driving electrodes and induction electrode is not particularly limited, and only can Effectively perceive touch pressure relevant information.In some embodiments of the invention, reference picture 4A- Fig. 4 C, driving electrodes and Induction electrode is in pectinate texture and mutually chimeric setting.Thereby, it is possible to be arranged at same film layer, be advantageous to reduce the thickness of touch screen Degree, and there is good pressure-responsive.Driving electrodes Tx and induction electrode Rx quantity are not particularly limited, can be respective It independently is one or more mutually chimeric.For example, Fig. 3 A show that driving electrodes Tx and induction electrode Rx is the knot of one Structure schematic diagram, Fig. 4 A- Fig. 4 C respectively illustrate the structure that driving electrodes are two (Tx1 and Tx2), induction electrode Rx is one and shown It is intended to, the structural representation that driving electrodes Tx is one, induction electrode is two (Rx1 and Rx2) and driving electrodes are two (Tx1 and Tx2), induction electrode are the structural representation of two (Rx1 and Rx2).It will be understood by those skilled in the art that above-mentioned feelings Shape is only the structure of the pressure sensitive layer of the exemplary explanation present invention, limitation of the present invention can not be considered as, other In some embodiments, it is independently each 3,4 or other quantity etc. that driving electrodes Tx and induction electrode Rx, which can be,.
According to an embodiment of the invention, reference picture 5A and Fig. 5 B, driving electrodes and induction electrode can cover first pressure The Zone Full of inductive layer 310, the subregion of first pressure inductive layer 310 can also be covered, can realize good pressure Force-responsive, and pressure sensitive sensitivity is higher.It will be understood by those skilled in the art that the distribution of driving electrodes and induction electrode Mode is not limited to the mode shown in Fig. 5 A- Fig. 5 B, can flexibly set as needed.For example, in other embodiment, Driving electrodes and induction electrode can be distributed in the corner of first pressure inductive layer 310, the midpoint of four edges, surrounding edge, Centre etc..
According to an embodiment of the invention, first pressure inductive layer 310 puts on cover sheet 100 by mutual capacitance detection The relevant information of pressure, such as apply stressed position, apply stressed size.Specifically, reference picture 6, according to the present invention The operation principle of the touch screen sensed pressure of embodiment is as follows:First pressure sense is formed between driving electrodes Tx and induction electrode Rx Answer and second pressure inductance capacitance C2, induction electrode Rx and the are formed between electric capacity C1, driving electrodes Tx and second pressure inductive layer 320 The 3rd pressure sensitive electric capacity C3 is formed between two pressure sensitive layers 320.When applying touch operation on cover sheet 100, the One pressure sensitive layer 310 deforms upon so that driving electrodes Tx, induction electrode Rx and second pressure inductive layer 320 are mutual Position change so that above-mentioned first pressure inductance capacitance C1, second pressure inductance capacitance C2 and the 3rd pressure sensitive electricity Hold C3 capacitances to change.Therefore, the correlation number by force information of above-mentioned capacitance variation information and touch screen can be established According to storehouse.In actual applications, memory and processor are also included in the touch screen, is stored with memory in touch screen Diverse location is carried out under different force value touches, and each capacitance variation information of power is detected in touch screen, and processor is used to contrast The touch screen detection capacitance variation information obtained and the capacitance variation information being pre-stored, so as to judge that the touch of touch screen is believed Breath.Wherein touch information includes the size of the power touched, can also include the position of touch force.
In an embodiment of the present invention, first pressure inductive layer 310 is arranged at the lower section of backlight module 220, therefore, to it Transparency is not particularly limited, and first pressure inductive layer 310 can be transparent, translucent or opaque.
According to an embodiment of the invention, the particular location of second pressure inductive layer 320 is not particularly limited, as long as can be with Pressure sensitive electric capacity is formed between first pressure inductive layer 310, effectively the power for putting on cover sheet 100 can be detected .In some embodiments of the invention, reference picture 7, backlight module include blooming piece lamination 221 and hardware 222, For the hardware 222 to support display module 210 and blooming piece lamination 221, hardware 222 forms second pressure sense Answer layer 320.Thus, simplify the structure of pressure sensitive touch screen, it is not necessary to which single second pressure inductive layer is additionally set 320, be advantageous to reduce thickness.
In some embodiments of the invention, compressible gap 330 can be the air gap, can also be by other soft Elastomeric material is filled, such as including but not limited to foam, porous material etc..In an embodiment of the present invention, compressible gap 330 Thickness can be between 0.05-0.5 millimeters, the difference in thickness in the compressible gap 330 between the variant position of identical product It may remain between 0.02-0.2 millimeters, thereby, it is possible to ensure good homogeneity.
According to an embodiment of the invention, the touch screen may further include:Screen layer 400, the screen layer 400 is positioned at the One side of the pressure sensitive layer 310 away from second pressure inductive layer 320.By setting screen layer 400, display module can be eliminated Noise signal to the signal interference of first pressure inductive layer.In some embodiments of the invention, screen layer 400 is located at backlight Between module 220 and first pressure inductive layer 310.In some embodiments of the invention, reference picture 8, can be by screen layer 400 The upper and lower surface of substrate 311 is respectively arranged at the electrode layer 312 of first pressure inductive layer 310.Thus, substrate 311 Effectively first pressure inductive layer and screen layer can be played a supporting role, while can to insulate between the two.According to this The embodiment of invention, the specific material for forming screen layer 400 are not particularly limited, and can be ITO, metal grill, development Conducting film or the coat of metal etc., screen layer 400 can be whole face structure, or between mark linear structure, wherein trace Spacing can be less than 1 millimeter.Formed substrate 311 specific material be also not particularly limited, can be PET, PC, PMMA, COP, glass, flexible printed circuit board etc..In the specific example of the present invention, screen layer 400 and first pressure inductive layer 310 can To be formed by identical or different material, it is for instance possible to use two-sided plating ITO film, only needs one side wherein to be led The making of electrical pattern, you can form first pressure inductive layer 310, the one side not dealt with is screen layer 400.
According to an embodiment of the invention, touch screen may further include touch-control sensing layer, and the touch-control sensing layer is located at Between cover sheet and display unit, screen layer is around touch-control sensing layer or between touch-control sensing layer and display unit. Thus, the touch screen can be with actual induction touching position information.
In some embodiments of the invention, the above-mentioned touch sensitive layer can also form touch-screen knot commonly used in the art Structure, such as can be the touch of the mode such as external hanging type (including but is not limited to OGS, GF, GFF, GF2 etc.), on-cell, in-cell Shield structure.
According to an embodiment of the invention, the specific material for forming touch-control sensing layer is not particularly limited, people in the art Member can flexibly select as needed, and in some embodiments of the invention, touch-control sensing layer can be by ITO, metal grill (metal mesh), development conducting film, graphene metal level (such as Cu, Ag coating, or metal organic ink, such as silver Slurry, copper slurry etc.) formed.Thus, conduction and response are good.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (10)

  1. A kind of 1. touch screen, it is characterised in that including:
    Cover sheet;
    Display unit, the display unit is arranged on below the cover sheet, and the display unit includes display module And backlight module, the backlight module are located at below the display module;
    Pressure sensitive structure, the pressure sensitive structure is located at below the backlight module, including first pressure inductive layer, second Pressure sensitive layer and compressible interval, the compressible first pressure inductive layer and the second pressure of being located at interval at sense Between layer, and the second pressure inductive layer is coupled to the first pressure inductive layer and between the first pressure inductive layer Form pressure sensitive electric capacity.
  2. 2. touch screen according to claim 1, it is characterised in that the compressible gap filling resilient material.
  3. 3. touch screen according to claim 1 or 2, it is characterised in that the first pressure inductive layer is integrally disposed in institute State the lower surface of backlight module.
  4. 4. touch screen according to claim 1 or 2, it is characterised in that the second pressure inductive layer potential is steady state value.
  5. 5. touch screen according to claim 4, it is characterised in that the potential of the second pressure inductive layer is zero.
  6. 6. touch screen according to claim 4, it is characterised in that the backlight module includes blooming piece lamination and metal Component, to support the display module and the blooming piece lamination, the second pressure inductive layer is the hardware The hardware.
  7. 7. touch screen according to claim 1 or 2, it is characterised in that the touch screen further comprises:Screen layer, institute State screen layer and be located at side of the first pressure inductive layer away from the second pressure inductive layer.
  8. 8. touch screen according to claim 7, it is characterised in that the screen layer is located at the backlight module and described the Between one pressure sensitive layer.
  9. 9. touch screen according to claim 7, it is characterised in that the touch screen further comprises touch-control sensing layer, institute Touch-control sensing layer is stated between the cover sheet and the display unit, the screen layer around the touch-control sensing layer or Person is between the touch-control sensing layer and the display unit.
  10. 10. touch screen according to claim 9, it is characterised in that the screen layer, touch-control sensing layer and the described first pressure Power inductive layer is each independent by being formed selected from least one of ITO, metal grill, development and graphene metal level.
CN201610511710.XA 2016-07-01 2016-07-01 Touch screen Pending CN107562240A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020228116A1 (en) * 2019-05-14 2020-11-19 武汉华星光电半导体显示技术有限公司 Pressure sensing touch screen and input device comprising same

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Publication number Priority date Publication date Assignee Title
JP3200386U (en) * 2015-07-30 2015-10-15 志忠 林 Touch display device
WO2016043546A2 (en) * 2014-09-19 2016-03-24 주식회사 하이딥 Smartphone
KR20160034240A (en) * 2015-12-29 2016-03-29 주식회사 하이딥 Smartphone
CN105511669A (en) * 2015-11-30 2016-04-20 信利光电股份有限公司 Touch screen with pressure detection function and electronic equipment
CN206039482U (en) * 2016-07-01 2017-03-22 南昌欧菲生物识别技术有限公司 Touch screen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016043546A2 (en) * 2014-09-19 2016-03-24 주식회사 하이딥 Smartphone
JP3200386U (en) * 2015-07-30 2015-10-15 志忠 林 Touch display device
CN105511669A (en) * 2015-11-30 2016-04-20 信利光电股份有限公司 Touch screen with pressure detection function and electronic equipment
KR20160034240A (en) * 2015-12-29 2016-03-29 주식회사 하이딥 Smartphone
CN206039482U (en) * 2016-07-01 2017-03-22 南昌欧菲生物识别技术有限公司 Touch screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020228116A1 (en) * 2019-05-14 2020-11-19 武汉华星光电半导体显示技术有限公司 Pressure sensing touch screen and input device comprising same

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