CN105930014B - A kind of touch stimulating apparatus, touch display unit and its driving method - Google Patents
A kind of touch stimulating apparatus, touch display unit and its driving method Download PDFInfo
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- CN105930014B CN105930014B CN201610210344.4A CN201610210344A CN105930014B CN 105930014 B CN105930014 B CN 105930014B CN 201610210344 A CN201610210344 A CN 201610210344A CN 105930014 B CN105930014 B CN 105930014B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of touch stimulating apparatus, touch display unit and its driving method, the touch stimulating apparatus, including protective film, basilar memebrane, driving chip, multiple heating units and multiple deformation particles；Protective film is oppositely arranged with basilar memebrane；Multiple heating units are set to side of the basilar memebrane towards protective film, and the heating surface of heating unit is towards protective film；Multiple deformation are particles filled between heating unit and protective film；Multiple heating units are electrically connected with driving chip, with control heating unit whether electrified regulation.By the way that the protective film and basilar memebrane that are oppositely arranged is arranged; multiple heating units and multiple deformation particles are set between protective film and basilar memebrane; deformation particle is close to protective film, and for heating unit close to basilar memebrane, it is heating unit heats that heating unit controls whether to be powered by driving chip；During touch control operation, protect the microdeformation of film surface that can provide richer tactile experience for user.
Description
Technical field
The present invention relates to technical field of touch-control display more particularly to a kind of touch stimulating apparatus, touch display unit and its
Driving method.
Background technique
With the rapid development of display technology, touch screen (Touch Panel) has gradually been spread to people's lives.With
The traditional monitor for being only capable of providing display function compares, and enables to user and display control using the display of touch screen
Information exchange is carried out between host, therefore, touch screen can be complete or at least partly instead of common input unit, so that
Existing display can not only be shown, moreover it is possible to touch control.
Common touch screen is divided into resistive touch screen, capacitive touch screen, electromagnetical type touch screen and infrared ray interrupter-type
Touch screen etc., in existing electric terminal using it is most popular be capacitive touch screen.Capacitive touch screen is to utilize human body
Electric current induction works.As shown in Figure 1, when finger touches on capacitive touch screen, due to human body electric field, user hand
Refer to that the working face with capacitive touch screen, that is, touch control electrode 111 shown in Fig. 1 form a coupled capacitor, because of work
Make to be connected to high-frequency current on face, for high-frequency current, capacitor is direct conductor, and then finger siphons away one very from contact point
Small electric current.This electric current is flowed out from the electrode on the quadrangle of capacitive touch screen respectively, and theoretically flows through this four electricity
The electric current of pole is directly proportional at a distance from finger to quadrangle, and controller obtains touching by accurately calculating to this four current ratios
Touch position a little.The accuracy that can achieve 99% has the response speed less than 3ms.
But in electric terminal, touch surface does not change in shape during touch-control, tactile of the finger to touch surface
Experience be it is identical, this also causes the tactile experience of touch-control process user single.
Summary of the invention
The present invention provides a kind of touch stimulating apparatus, touch display unit and its driving methods, solve the prior art
The single problem of the tactile experience of user during middle touch-control.
To realize above-mentioned design, the invention adopts the following technical scheme:
On the one hand use a kind of touch stimulating apparatus, including protective film, basilar memebrane, driving chip, multiple heating units and
Multiple deformation particles；
The protective film is oppositely arranged with basilar memebrane；
The multiple heating unit is set to the basilar memebrane towards the side of the protective film, and the heating unit adds
Heat is facing towards the protective film；
The multiple deformation is particles filled between the heating unit and protective film；
The multiple heating unit is electrically connected with the driving chip, with control the heating unit whether electrified regulation.
Wherein, the deformation particle is solid construction.
Wherein, the material of the deformation particle includes polyurethane material, rubber material and transparent resin material.
Wherein, the deformation particle includes the clad and internal filling material of outer layer.
Wherein, the thermal expansion coefficient for loading material is greater than the thermal expansion coefficient of the clad.
Wherein, the filling material is grease-like liquid material, inert gas or air；The material of the clad is
Polyurethane material, rubber material or transparent resin material.
Wherein, the heating unit is arranged in arrays；The deformation particle is arranged in arrays.
Wherein, the heating unit includes heater and transistor switch, and the transistor switch is arranged in the heating
Between device and the basilar memebrane.
Wherein, further includes:
Heating control line, the grid of the transistor switch are electrically connected with the heating control line, the heating control line
The other end is electrically connected with the driving chip；
Heater wire, the source electrode of the transistor switch are electrically connected with the heater wire, the drain electrode of the transistor switch with
One end of the heater is electrically connected, the other end of the heater wire and the power electric connection, the other end of the heater
Ground connection.
Wherein, the circumradius of the heating unit is 1 μm~200 μm；The distance between two neighboring heating unit
It is 400 μm not small.
Wherein, the corresponding deformation particle of each heating unit.
Wherein, the protective film and the deformation particle are made of clear material.
On the other hand a kind of touch display unit, including touch display screen and previously described touch stimulation dress are used
It sets.
Wherein, the cover board multiplexing or the touch of the basilar memebrane for touching stimulating apparatus and the touch display screen are pierced
Excitation device is directly fitted with the touch display screen.
Finally use a kind of driving method based on previously described touch display unit, comprising:
Driving chip is from the display content obtained in the touch display screen in the memory of terminal device, according to the display
Content determines the touch area in the touch display screen；
The driving chip control heating unit touched in stimulating apparatus corresponding with the touch area is powered.
The invention has the benefit that the protective film and basilar memebrane that are oppositely arranged by setting, in protective film and basilar memebrane
Between multiple heating units and multiple deformation particles are set, deformation particle is close to protective film, and heating unit is close to basilar memebrane, heating
It is heating unit heats that unit controls whether to be powered by driving chip；Heating unit can by heating to deformation particle with
No variation makes deformation particle that the variation of shape occur because expanding with heat and contract with cold, and protects film surface flat when deformation particle does not heat
Sliding, in deformation particles by heat, expansion generates microdeformation, during touch control operation, protective film table in protection film surface in turn
The microdeformation in face can provide richer tactile experience for user.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the schematic diagram of capacitive touch screen detection in the prior art.
Fig. 2 is a kind of internal structure of the first embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
Schematic diagram.
Fig. 3 is a kind of working principle of the first embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
Schematic diagram.
Fig. 4 is deformation particle in a kind of second embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
With a kind of schematic layout pattern of heating unit.
Fig. 5 is deformation particle in a kind of second embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
With another schematic layout pattern of heating unit.
Fig. 6 is deformation particle in a kind of 3rd embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
Structural schematic diagram.
Fig. 7 is deformation particle in a kind of 3rd embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
Another structural schematic diagram.
Fig. 8 is the schematic diagram of internal structure of spherical solid deformation particle.
Fig. 9 is a kind of schematic diagram of internal structure of the deformation particle of the filling of spherical shape.
Figure 10 is the schematic diagram of internal structure of the deformation particle of another spherical filling.
Figure 11 is that list is heated in a kind of fourth embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
The connection schematic diagram of member.
Figure 12 is the schematic diagram of the relative positional relationship of transistor switch and heater in heating unit.
Figure 13 is the cabling schematic layout pattern of heater wire and heating control line.
Figure 14 is a kind of a kind of structural schematic diagram of the touch display unit provided in the specific embodiment of the invention.
Figure 15 is a kind of another structural schematic diagram of the touch display unit provided in the specific embodiment of the invention.
Figure 16 is a kind of method flow of the driving method of the touch display unit provided in the specific embodiment of the invention
Figure.
Figure 17 is the schematic diagram that content is shown in touch display screen.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.In we
In the specific embodiment of case, the drawing reference numeral of full text all indicates identical component, and the different structure in an attached drawing can
Multiple embodiments can be corresponded to illustrate respectively.
Fig. 2 and Fig. 3 are please referred to, is the of a kind of touch stimulating apparatus provided in the specific embodiment of the invention respectively
The schematic diagram of internal structure and operation principle schematic diagram of one embodiment.As shown, the touch stimulating apparatus, comprising:
Protective film 10, basilar memebrane 20, driving chip, multiple heating units 30 and multiple deformation particles 40；
The protective film 10 is oppositely arranged with basilar memebrane 20；
The multiple heating unit 30 is set to the basilar memebrane 20 towards the side of the protective film 10, and the heating is single
The heating surface 35 of member 30 is towards the protective film 10；
The multiple deformation particle 40 is filled between the heating unit 30 and protective film 10；
Whether the multiple heating unit 30 is electrically connected with the driving chip, added with controlling the heating unit 30 and being powered
Heat.
Heating unit 30 is set to basilar memebrane 20 towards the side of protective film 10, and the heating surface 35 of heating unit 30 is towards guarantor
Cuticula 10 will simultaneously be contacted with deformation particle 40, and deformation particle 40, which is equivalent to, to be arranged between heating surface 35 and protective film 10, in order to
Guarantee the stable structure of touch stimulating apparatus, that is, the phase of protective film 10, deformation particle 40, heating unit 30 and basilar memebrane 20
Position is fixed.In order to guarantee that four relative position is fixed, protective film 10 and basilar memebrane 20 constitute the upper and lower of a cuboid
Two bottom surfaces, four sides sealing of the cuboid, deformation particle 40 and heating unit 30 are equivalent to and are arranged in a cuboid
In space, and at least guarantee that deformation particle 40 is fixed on heating surface 35 in rectangular parallelepiped space, heating unit 30 is fixed on base
Counterdie 20, protective film 10 touch deformation particle 40.It should be noted that in the state that heating unit 30 is not powered on heating, shape
Become that particle 40 is uniform in size and the temperature remains within the normal range state, protective film 10 are not affected by the influence of the deformation tension of deformation particle 40, protects
Film 10 touch deformation particle 40 and keeps the deformed state of upper surface.Simultaneously as the volume very little of deformation particle 40, close to
Microstructure, in touch-control, finger can't experience granular sensation, and the surface of universal touch screen is no different.
When driving chip controls 30 electrified regulation of heating unit, as shown in figure 3, electrified regulation unit 301 gives off heat,
The corresponding heating of deformation particle 40 expansion generates deformation, and the touch stimulating apparatus in this programme is generally located on a certain display equipment
On, basilar memebrane 20 needs to be bonded with other hardware configurations of display equipment, in such a state of mounting, when deformation particle 40 generates
When deformation, electrified regulation unit 301 and basilar memebrane 20 do not carry out adaptability to this deformation because of the conflict of other hardware configurations
Variation, the deformation that deformation particle 40 generates focus on this side of protective film 10, and protective film 10 is to adapt to deformation, corresponding to deformation
Protrusion as shown in Figure 3 will occur for position, and when multiple deformation particles 40, which are concentrated, generates deformation, its is corresponding on protective film 10
Region will go into the height different from other regions, and the different of this height will generate stimulation to finger belly in the process of touch,
Row is at the sense of touch different from when planar touch.
In conclusion by the setting protective film 10 and basilar memebrane 20 that are oppositely arranged, protective film 10 and basilar memebrane 20 it
Between multiple heating units 30 and multiple deformation particles 40 are set, deformation particle 40 is close to protective film 10, and heating unit 30 is close to base
Counterdie 20, it is that heating unit 30 heats that heating unit 30 controls whether to be powered by driving chip；Heating unit 30 can pass through
Variation whether heating to deformation particle 40, makes deformation particle 40 that the variation of shape occur because expanding with heat and contract with cold, in deformation
10 smooth surface of protective film when grain 40 does not heat, when deformation particle 40 is heated, expansion generates on 10 surface of protective film microcosmic in turn
Deformation, during touch control operation, the microdeformation on 10 surface of protective film can provide richer tactile experience for user.
Referring to FIG. 4, it is a kind of second embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
A kind of schematic layout pattern of middle deformation particle 40 and heating unit 30.In the present embodiment, to the cloth of deformation particle 40 and heating
Office's mode is described in detail.
In the present embodiment, as shown in figure 4, the heating unit 30 is arranged in arrays；The deformation particle 40 is in matrix
Arrangement.In the present solution, heating unit 30 needs to heat deformation particle 40, so each deformation particle 40 is at least right
A heating unit 30 is answered, such as what is selected in Fig. 4 is that deformation particle 40 and heating unit 30 correspond, one-to-one cloth
Office's mode can be realized the accurate control to deformation particle 40, and the sense of touch experience provided during touch-control is more accurate.
Or as shown in figure 5, it is the second of a kind of touch stimulating apparatus provided in the specific embodiment of the invention
Another schematic layout pattern of deformation particle 40 and heating unit 30 in embodiment, in this layout type, each deformation
Grain 40 is corresponding there are four heating unit 30, and four heating units 30 can quickly heat deformation particle 40, accelerates speed of deformation.
Certainly, it should be noted that once can also be with the corresponding multiple deformation particles 40 of a heating unit 30, a heating unit 30
Multiple deformation particles 40 heat.
Preferably, protective film 10 is made of clear material.Micro-variations when for the expansion of deformation particle 40 are shown,
The thickness of protective film 10 0.01mm is set hereinafter, and be made of transparent flexible material, such as polyester material.
Referring to FIG. 6, it is a kind of 3rd embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
The structural schematic diagram of middle deformation particle 40.In the present embodiment, the implementation of deformation particle 40 is provided.Deformation particle 40 can be with
There are many different contour structures, such as spherical, hemispherical shown in Fig. 7 shown in fig. 6, in addition it can be cylindrical body, stand
Cube, flat spheroid or other composite entities.Simplest, deformation particle 40 is solid construction, i.e. deformation particle 40
It is integrally formed, space occupied by entire deformation particle 40, such as spherical solid deformation particle 40 is filled as a kind of material
Its internal structure is as shown in Figure 8.The deformation particle 40 of this structure makes simply.The material packet of the deformation particle 40 of solid construction
Include polyurethane material, rubber material and transparent resin material.
Preferably, in order to improve the coefficient of thermal expansion of deformation particle, increasingly complex structure, i.e. deformation particle packet can be used
Include the clad and internal filling material of outer layer.In general, material is different, physical property is different, such as the material bullet having
Property preferably but thermal expansion coefficient is lower, some material thermal expansion coefficient height are liquid or gas material, both unsuitable single
It is private to make deformation particle.By the variation in structure, the advantage that can use two kinds of materials realizes more sense of touch effect.Such as
By the filling material inside clad cladding, wherein clad is made of elastic preferable material, loads material by thermally expanding
The higher material of coefficient is made.Preferable mode is thermal expansion coefficient of the thermal expansion coefficient greater than clad for loading material.Base
In above-mentioned design philosophy, loads material and generally select grease-like liquid material, inert gas or air, heat with higher
The coefficient of expansion；The material of the clad generally selects polyurethane material, rubber material or transparent resin material, has preferable
Elasticity, and the filling material with fluid properties can be effectively encapsulated, realize the combination of the advantage of the two.Such as in Fig. 9, clad
The filling material 42 coated in 41 is sightless air or inert gas, and internal structure looks like hollow structure；Example again
In Figure 10, the filling material 42 coated in clad 41 is grease-like liquid material, and internal structure is to deposit in liquid form
Material or be not easy the solid-state material being formed.The design can utilize the material of more coefficient of thermal expansions with higher, according to
Actual demand selects various combinations of different materials, realizes various sense of touch experience.
Figure 11 is please referred to, is a kind of fourth embodiment of the touch stimulating apparatus provided in the specific embodiment of the invention
The connection schematic diagram of middle heating unit 30.Heating unit 30 is to realize heating and on-off control, includes at least heater 31 and crystalline substance
Body pipe switch 32, the transistor switch 32 are arranged between the heater 31 and the basilar memebrane 20, are mapped to shown in Fig. 2
Visual angle in, the relative positional relationship of transistor switch 32 and heater 31 is as shown in figure 12.To realize to deformation particle 40
Heating, provides heating control line 33 and heater wire 34 realizes whole heating process.Heating control line 33, heater wire 34, transistor
The connection relationship of switch 32 and heater 31 is as shown in figure 11, and four heaters, four transistor switch compositions are shown in figure
Array, it should be understood that, the number of heater and transistor switch is not limited to four in the present embodiment, such as scheme
Shown in 11, the grid G of the transistor switch 32 is electrically connected with the heating control line 33,33 other end of heating control line
It is electrically connected with the driving chip；The source S of the transistor switch 32 is electrically connected with the heater wire 34, and the transistor is opened
The drain D of pass 32 is electrically connected with one end of the heater 31, and the other end of the heater wire 34 is electrically connected with the power supply 60,
The other end of the heater 31 is grounded when a certain deformation particle 40 needs to heat, and driving chip is single by its corresponding heating
Transistor switch 32 in member 30 controls entire heating process: driving chip sends control signals to crystalline substance by heating control line 33
The source electrode and drain electrode of transistor switch 32 is connected the grid of body pipe switch 32, is that the power supply of heater 31 adds by heater wire 34
Heat；The heated heating deformation of deformation particle 40 expands, and the protective film 10 being covered on deformation particle 40 is distorted the top of particle 40
It rises, forms small convex closure as shown in Figure 3, small convex closure forms stimulation and variation in tactile during touch.Work as driving chip
Stop after sending instruction, heater 31 stops heating, and the cooling of deformation particle 40 restores original shape, the small convex closure on protective film 10
It disappears.
In order to not influence the display of electric terminal, heater wire 34 and heating control line 33 correspond to the black matrix in display screen
Cabling is carried out, thus finally will form the cabling mode in Fig. 4 and Figure 13.
Further, in order to guarantee being normally carried out for display, the size of heating unit 30 needs to control, and for normal, adds
The circumradius of hot cell 30 is 1 μm~200 μm；The distance between two neighboring heating unit 30 is not 400 μm small.
Figure 14 and Figure 15 are please referred to, is a kind of touch display unit provided in the specific embodiment of the invention respectively
Two kinds of structural schematic diagrams.Touch display unit in this programme includes touch display screen and previously described touch stimulation dress
It sets.
Wherein, the basilar memebrane 20 for touching stimulating apparatus and the cover board 70 of the touch display screen are multiplexed, with cover board 70
The structure of multiplexing is as shown in figure 14, and this structure can reduce by one layer of structure, reduces thickness；Or the touch stimulating apparatus and institute
Touch display screen to be stated to directly fit, the structure directly fitted is as shown in figure 15, and this structure makes making technology simpler, from
And production cost is reduced, and touch stimulating apparatus can be convenient for changing, it is easy to repair.
Figure 16 is please referred to, is that the one kind provided in the specific embodiment of the invention is based on previously described touch display dress
The method flow diagram for the driving method set, as shown in figure 16, this method comprises:
Step S10: driving chip is from the display content obtained in touch display screen in the memory of terminal device, according to display
Content determines the touch area in the touch display screen.
In terminal device, the display content in touch display screen is determined by the memory of terminal device, and driving chip is from interior
It deposits middle reading and shows content, touch area is determined according to display content.Touch area refers to that there may be touch-control behaviour in display content
Region of work, such as connection structure, operation button, dummy keyboard etc..As shown in figure 17, wherein to input virtual key when password
Disk, wherein a total of 11 there may be the region of touch control operation, then the region of this 11 small squares is touch area.
Another more accurate mode is, not using the region of entire small square as touch area, and by pen therein
The corresponding region in part is drawn as touch area, the advantage of doing so is that the small convex closure that heating expansion generates finally can be with display
Text is mapped, and in this case, blind person can come the content shown in identification terminal equipment and progress in the form of braille
It uses.
It should be noted that in this case, touch-control and braille identification can generate touch operation, basis is needed at this time
Slowly the continuous characteristic area that touches separates the difference that touch-control and braille identify for braille identification.
Step S20: the driving chip control heating unit touched in stimulating apparatus corresponding with touch area is powered.
The process of heating unit electrified regulation has been described above, and this will not be repeated here.
Identification of the further refinement to touch area in the embodiment of driving method when realizing sense of touch, realizes and has
The sense of touch of character features is experienced, and the use of touch type electronic equipment can be realized for the crowd of visual impairment, expands information source.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (13)
1. a kind of touch stimulating apparatus, which is characterized in that including protective film, basilar memebrane, driving chip, multiple heating units and
Multiple deformation particles；
The protective film is oppositely arranged with basilar memebrane；
The multiple heating unit is set to the basilar memebrane towards the side of the protective film, the heating surface of the heating unit
Towards the protective film；
The multiple deformation is particles filled between the heating unit and protective film；
The deformation particle is contacted with the heating unit, the protective film respectively, wherein the heating unit is used for described
The heating of deformation particle；
For different two deformation particles, the material for forming the two is not directly contacted with；
The deformation particle is solid construction, or, the deformation particle includes the clad and internal filling material of outer layer；
The multiple heating unit is electrically connected with the driving chip, with control the heating unit whether electrified regulation.
2. touch stimulating apparatus according to claim 1, which is characterized in that when the deformation particle is solid construction, institute
The material for stating deformation particle is one of polyurethane material, rubber material or transparent resin material.
3. touch stimulating apparatus according to claim 1, which is characterized in that the deformation particle includes the clad of outer layer
When with internal filling material, the thermal expansion coefficient for loading material is greater than the thermal expansion coefficient of the clad.
4. touch stimulating apparatus according to claim 3, which is characterized in that the filling material is grease-like liquid material
Material, inert gas or air；The material of the clad is polyurethane material, rubber material or transparent resin material.
5. touch stimulating apparatus according to claim 1 to 4, which is characterized in that the heating unit is arranged in matrix
Column；The deformation particle is arranged in arrays.
6. touch stimulating apparatus according to claim 1, which is characterized in that the heating unit includes heater and crystal
Pipe switch, the transistor switch are arranged between the heater and the basilar memebrane.
7. touch stimulating apparatus according to claim 6, which is characterized in that further include:
Heating control line, the grid of the transistor switch are electrically connected with the heating control line, and the heating control line is another
End is electrically connected with the driving chip；
Heater wire, the source electrode of the transistor switch are electrically connected with the heater wire, the drain electrode of the transistor switch with it is described
One end of heater is electrically connected, and the other end of the heater wire is electrically connected to a power source, the other end ground connection of the heater.
8. touch stimulating apparatus according to claim 5, which is characterized in that the circumradius of the heating unit is 1 μ
M~200 μm；The distance between two neighboring heating unit is not 400 μm small.
9. touch stimulating apparatus according to claim 5, which is characterized in that described in each heating unit is one corresponding
Deformation particle.
10. touch stimulating apparatus according to claim 1 to 4, which is characterized in that the protective film and the deformation
Particle is made of clear material.
11. a kind of touch display unit, which is characterized in that any described including touch display screen and claim 1-10
Touch stimulating apparatus.
12. touch display unit according to claim 11, which is characterized in that it is described touch stimulating apparatus basilar memebrane with
The cover board of the touch display screen is multiplexed or the touch stimulating apparatus is directly fitted with the touch display screen.
13. a kind of driving method based on any touch display unit of claim 11-12 characterized by comprising
Driving chip is from the display content obtained in the touch display screen in the memory of terminal device, according to the display content
Determine the touch area in the touch display screen；
The driving chip control heating unit touched in stimulating apparatus corresponding with the touch area is powered.
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| CN201610210344.4A CN105930014B (en) | 2016-04-06 | 2016-04-06 | A kind of touch stimulating apparatus, touch display unit and its driving method |
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| CN107067893B (en) * | 2017-07-03 | 2019-08-13 | 京东方科技集团股份有限公司 | A kind of braille display panel, braille display device and braille display methods |
| CN107291245B (en) * | 2017-07-05 | 2019-11-12 | 京东方科技集团股份有限公司 | A kind of touch-control display panel, touch control method and display device |
| CN107369361A (en) | 2017-08-18 | 2017-11-21 | 京东方科技集团股份有限公司 | A kind of blind person's display panel and display device |
| CN114327132A (en) * | 2021-12-16 | 2022-04-12 | 昆山工研院新型平板显示技术中心有限公司 | Touch panel and display device |
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| CN101868773A (en) * | 2007-11-20 | 2010-10-20 | 摩托罗拉公司 | The method and apparatus of the keyboard of control device |
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