CN109739382A - Touch device and display equipment - Google Patents
Touch device and display equipment Download PDFInfo
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- CN109739382A CN109739382A CN201910009495.7A CN201910009495A CN109739382A CN 109739382 A CN109739382 A CN 109739382A CN 201910009495 A CN201910009495 A CN 201910009495A CN 109739382 A CN109739382 A CN 109739382A
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Abstract
The invention discloses a kind of touch devices and display equipment, are related to microelectronics technology, main purpose is the energy consumption for reducing touch device.A kind of main technical schemes of the invention are as follows: touch device, it include: underlay substrate, the side of the underlay substrate is equipped with first electrode layer, the first electrode layer is equipped with the first electric layer departing from the side of the underlay substrate, first electric layer is equipped with the second electric layer departing from the side of the first electrode layer, there are multiple insulated columns between first electric layer and second electric layer, make that there is gap between first electric layer and second electric layer, second electric layer is equipped with the second electrode lay departing from the side of first electric layer, the first electrode layer also passes through detection circuit and is connected to the second electrode lay, the detection circuit is used to detect the electric current between the first electrode layer and the second electrode lay, and there are information.
Description
Technical field
The present invention relates to microelectronics technology more particularly to a kind of touch devices and display equipment.
Background technique
With the fast development of display technology, the important set become in people's life of touch control display device gradually
At part, such as: mobile phone, tablet computer, TV etc., people can preferably realize human-computer interaction function by touch control display device
Can, improve the convenience to display equipment control.
The touch control manner of touch control display device is mainly condenser type, resistance-type etc., in the touch control manner of the prior art, usually
Need to be equipped with touch sensing in display screen, and match the driving of corresponding external power supply, due to by external power supply come
Electric energy is provided, and then increases the energy consumption of display equipment, results in the excessively high problem of display equipment energy consumption.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of touch device and display equipment, main purpose is for reducing touching
Control the energy consumption of device.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the invention provides a kind of touch devices, comprising:
The side of underlay substrate, the underlay substrate is equipped with first electrode layer, and the first electrode layer is departing from the lining
The side of substrate is equipped with the first electric layer, and first electric layer is equipped with the second hair departing from the side of the first electrode layer
Electric layer has multiple insulated columns between first electric layer and second electric layer, make first electric layer and described
There is gap, second electric layer is equipped with second electrode departing from the side of first electric layer between second electric layer
Layer, the first electrode layer also pass through detection circuit and are connected to the second electrode lay, and the detection circuit is described for detecting
There are information for electric current between first electrode layer and the second electrode lay.
Optionally, the second electrode lay is equipped with display panel departing from the side of second electric layer.
Optionally, second electric layer is the first layer of polarizer, and first layer of polarizer is as the display panel
Upper polaroid.
Optionally, the second electrode lay is equipped with the second layer of polarizer close to the side of the display panel, and described the
Upper polaroid of two layer of polarizer as the display panel.
Optionally, first electric layer close to the first face of second electric layer be rough surface, and/or, institute
State the second electric layer close to the second face of first electric layer be rough surface.
Optionally, the first electrode layer includes multiple first electrode units in matrix arrangement, the second electrode lay
Including the multiple and one-to-one second electrode unit of the first electrode unit, the first electrode unit is in the substrate base
Orthographic projection on plate is in its corresponding described second electrode unit in the orthographic projection on the underlay substrate, wherein Mei Gesuo
It states first electrode unit and corresponding second electrode power supply is connected to by the detection circuit.
Optionally, the first electrode layer includes multiple first electrode items arranged in parallel, the second electrode lay
Multiple the second electrode lays arranged in parallel are wrapped, multiple first electrode items and multiple second electrode items intersect
Setting, wherein each first electrode item is connected to multiple second electrode items by the detection circuit respectively.
It optionally, further include processing module, the processing module is connected to the detection circuit, and the detection circuit is also used
In detecting the current strength information between the first electrode layer and the second electrode lay, the processing module is for receiving institute
Stating current strength information and the electric current, there are information, and there are information outputs according to the current strength information and the circuit
Corresponding control signal.
Optionally, orthographic projection of multiple insulated columns on the underlay substrate and the first electrode layer and described the
Orthographic projection of two electrode layers on the underlay substrate is separated from each other.
On the other hand, the embodiment of the present invention also provides a kind of display equipment, comprising: the touch device.
Present disclose provides a kind of touch devices, for reducing the energy consumption of touch device, and in the prior art, touch control device
Touch control manner be mainly condenser type, resistance-type etc., and these touch control manners are required to be equipped with touch-control in touch device and be sensed
Device, and corresponding external power supply driving is matched, due to providing electric energy by external power supply, and then result in touch device energy
Consume excessively high problem.And the prior art is compared, touch device provided in this embodiment includes underlay substrate, the underlay substrate
Side is equipped with first electrode layer, and the first electrode layer is equipped with the first electric layer departing from the side of the underlay substrate, described
First electric layer is equipped with the second electric layer, first electric layer and second hair departing from the side of the first electrode layer
There are multiple insulated columns between electric layer, make that there is gap between first electric layer and second electric layer, described second
Electric layer is equipped with the second electrode lay departing from the side of first electric layer, and the first electrode layer is also connected by detection circuit
It is connected to the second electrode lay, the first above-mentioned electric layer and the second electric layer are capable of forming friction nanometer generating pole, work as touch-control
When pressing above-mentioned touch device, according to triboelectrification and electrostatic induction principle, the mechanical energy of pressing can be converted to electric energy,
Make to generate electric current between first electrode layer and the second electrode lay, and detection circuit is able to detect first electrode layer and the second electrode lay
Between current information, to judge position of touch, so there is no need to the settings of external drive power supply, reduce touch device
Energy consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the touch device that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the touch device that another embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the touch device that another embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram for the touch device that another embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram for the touch device that another embodiment of the present invention provides；
Fig. 6 is the structural schematic diagram for the touch device that another embodiment of the present invention provides；
Fig. 7 is the structural schematic diagram for the touch device that another embodiment of the present invention provides.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to touch device proposed according to the present invention and display its specific embodiment of equipment, structure, feature
And its effect, detailed description is as follows.
As shown in Figure 1, on the one hand, present disclose provides a kind of touch devices, comprising:
The side of underlay substrate 1, the underlay substrate 1 is equipped with first electrode layer 2, and the first electrode layer 2 is departing from institute
The side for stating underlay substrate 1 is equipped with the first electric layer 3, and first electric layer 3 is set departing from the side of the first electrode layer 2
There is the second electric layer 4, there are multiple insulated columns 5 between first electric layer 3 and second electric layer 4, make described first
Between electric layer 3 and second electric layer 4 have gap, second electric layer 4 departing from first electric layer 3 one
Side is equipped with the second electrode lay 6, and the first electrode layer 2 and the second electrode lay 6 are also attached to detection circuit 7, the detection
Circuit 7 is used to detect the electric current between the first electrode layer 2 and the second electrode lay 6, and there are information.
Wherein, underlay substrate 1 can be placed in the outer surface of touch device, mainly for the protection of a variety of function in touch device
Ergosphere；Above-mentioned touch device when in use, needs to make the other function layer in touch device that elastic deformation occurs, in order to make it
Elastic deformation is more convenient, and above-mentioned underlay substrate 1 can be made of flexible material, in addition, above-mentioned touch device is all applied to
On the display screen, display screen is watched in order to which touch device can be penetrated, above-mentioned underlay substrate 1 can be by transparent material system
At in conclusion underlay substrate 1 can be made of transparent polymers such as polyimides.
Wherein, an electrode layer of the first electrode layer 2 as touch device is mainly used for transmitting electricity production energy, for the ease of
Using on the display screen, first electrode layer 2 can be made of transparent material, such as: tin indium oxide, polyethylene dioxythiophene,
Carbon nanotube, graphene, silver nanowires etc.；First electrode layer 2 is equipped with the first electric layer 3 departing from the side of underlay substrate 1, the
One electric layer 3 can equally be made by transparent polymer material, such as: dimethyl silicone polymer, polytetrafluoroethylene (PTFE) etc.；And first
Electric layer 3 is equipped with the second electric layer 4 departing from the side of first electrode layer 2, and the second electric layer 4 is departing from the first electric layer 3
Side be equipped with the second electrode lay 6, wherein the second electric layer 4 can equally be made of transparent polymerizable material, such as: it is poly-
Dimethyl siloxane, polytetrafluoroethylene (PTFE) etc., and the material of the first electric layer 3 can be different materials from the material of the second electric layer 4
Made of matter, and the material of the first electric layer 3 and 4 material of the second electric layer for extranuclear electron constraint ability not
Together, so that the first electric layer 3 and the second electric layer 4 is the bigger the better the difference of electronics constraint ability, first can be improved in this way
The quantity of electric charge of triboelectrification when electric layer and the second electric layer perpendicular contact, so that detection circuit can more accurate detection arrive
Induced current between first electric layer and the second electric layer.
It can be equipped with multiple insulated columns 5 between second electric layer 4 and the second electric layer 4, pass through the branch of multiple insulated columns 5
Support can make have gap between the first electric layer 3 and the second electric layer 4, and clearance distance can be 5 μm~50 μm, and adjacent
The distance between two insulated columns 5 can be 25mm-40mm, wherein insulated column 5 can be elastomeric isolation column 5, and material can be with
For a variety of patterns, such as: clear silicone gel particle, elastic resin etc., main function are for the first electric layer 3, underlay substrate 1
Elastic restoring force is provided with first electrode layer 2, can be sprung back after contacting the first electric layer 3 and the second electric layer 4, and then realize
First electric layer 3 and the mutual discrete state or contact condition of the second electric layer 4, at the same time it can also avoid external pressure, again
The factors such as power lead to 4 Long Term Contact of the first electric layer 3 and the second electric layer, influence touch function.
Wherein, above-mentioned detection circuit 7 is for connecting first electrode layer 2 and the second electrode lay 6, when the first electric layer 3 and the
When two electric layers 4 generate potential difference, induced electricity can be generated by detection circuit 7 between first electrode layer 2 and the second electrode lay 6
Stream, and can have detecting element in detection circuit 7, detecting element be able to detect that the electric current in detection circuit there are information,
The electric current is that whether there is faradic information in detection circuit there are information, has induction in detection circuit 7 when detecting
When electric current, it can be determined that the corresponding position of the first electrode layer 2 and the second electrode lay 6 has carried out touch control operation, and then obtains
It then may determine that the first electrode layer when not checking has induced current in detection circuit 7 to specific position of touch
2 and the corresponding position of the second electrode lay 6 do not carry out touch control operation.
The manufacturing process of above-mentioned touch device is as follows:
Firstly, transparent first electrode layer 2 is formed on underlay substrate 1 by techniques such as deposition, photoetching, developments,
In, the material of first electrode layer 2 can be graphene or nano-silver thread, wherein graphene and nano-silver thread are thin and tough,
In, underlay substrate 1 can be with transparent polymer materials such as polyimides.
Then, the first electric layer 3 is formed away from the side of underlay substrate 1 in first electrode layer 2 by colloidal sol spin-coating method, and
Multiple insulated columns 5 are formed departing from the side of first electrode layer 2 in the first electric layer 3, at 5 layers of insulated column departing from the first power generation
The side of layer 3 forms the second electric layer 4；Wherein, the preparation process of colloidal sol spin-coating method are as follows: make mixed liquor in the way of vacuumizing
In bubble floating to surface and rupture, after being spun on substrate surface, it is small to place into 120 degrees Celsius of oven for baking 1 to 1.5
When, temperature and the different film layers that will prepare different hardness for practicing parameter, thickness can be 50 μm -200 μm.
Finally, being formed in the second electric layer 4 departing from the side of the first electric layer 3 by techniques such as deposition, photoetching, developments
The second electrode lay 6.
The specific working principle is as follows for above-mentioned touch device:
The material and 4 material of the second electric layer of above-mentioned first electric layer 3 for the constraint ability of electronics difference, both
The insulating dielectric that frictional electricity can be used, due to having triboelectric effect between the first electric layer 3 and the second electric layer 4
And electrostatic induction, so enabling the first electric layer 3 and the second electric layer 4 to constitute friction nanometer generating pole, to be touch-control dress
Offer electricity is provided, and the nanometer generating pole that rubs is not intended as power supply, but sensing element is moved as the self-powered of touch device, work as touch-control
When above-mentioned touch device, electric signal can produce, and the generation position of touch action is judged by electric signal, specific:
When people's touch-control is on underlay substrate 1, certain pressure can be applied to underlay substrate 1, under the effect of the pressure
It can make underlay substrate 1, first electrode plate and the first electric layer 3 that flexible deformation occur toward 4 direction of the second electric layer, due to the
There is gap, so when the first electric layer 3 touches second under the effect of the pressure between one electric layer 3 and the second electric layer 4
When electric layer 4, the atom in the first electric layer 3 and the second electric layer 4 will be contacted, and due to 3 material of the first electric layer and the
Two electric layers, 4 material is different for the constraint ability of electronics, according to triboelectric effect principle, fetters the electricity in the weak material of ability
Son is transferred in the strong material of constraint ability, keeps an electric layer positively charged, another electric layer is negatively charged, and electric field is just by that
This is masked, therefore does not have electric current to pass through in detection circuit 7.
When people remove the pressure being applied on underlay substrate 1, the first electric layer 3 can be to far from the second electric layer 4
Deformation occurs in direction, become larger the distance between the first electric layer 3 and the second electric layer 4, due to 3 He of the first electric layer
There is opposite charge between second electric layer 4, so that the first electric layer 3 and the second electric layer 4 is generated potential difference, in potential difference
Under effect, the electronics of first electrode layer 2 and the second electronic shell can be made to carry out shifting realization electric current by detection circuit 7,
And detection circuit 7 by detection electric current there are information may determine that position of touch.
After the first electric layer 3 restores smooth, the potential between first electrode layer 2 and the second electrode lay 6 is equal, makes first
There is no electric current generation between electrode layer 2 and the second electrode lay 6.
When touch-control pressing underlay substrate 1 again, the first electric layer 3 and the second electric layer 4 are close to each other again, make first
Potential difference between electrode layer 2 and the second electrode lay 6 reduces, and the electronics between such first electrode layer 2 and the second electrode lay 6 is just
Can be by 7 reverse flow of detection circuit, after the first electric layer 3 and the contact of the second electric layer 4, first electrode layer 2 and the second electricity
The potential difference of pole layer 6 disappears, and makes to detect the current vanishes in electric current.
Present disclose provides a kind of touch devices, for reducing the energy consumption of touch device, and in the prior art, touch control device
Touch control manner be mainly condenser type, resistance-type etc., and these touch control manners are required to be equipped with touch-control in touch device and be sensed
Device, and corresponding external power supply driving is matched, due to providing electric energy by external power supply, and then result in touch device energy
Consume excessively high problem.And the prior art is compared, touch device provided in this embodiment includes underlay substrate, the underlay substrate
Side is equipped with first electrode layer, and the first electrode layer is equipped with the first electric layer departing from the side of the underlay substrate, described
First electric layer is equipped with the second electric layer, first electric layer and second hair departing from the side of the first electrode layer
There are multiple insulated columns between electric layer, make that there is gap between first electric layer and second electric layer, described second
Electric layer is equipped with the second electrode lay departing from the side of first electric layer, and the first electrode layer is also connected by detection circuit
It is connected to the second electrode lay, the first above-mentioned electric layer and the second electric layer are capable of forming friction nanometer generating pole, work as touch-control
When pressing above-mentioned touch device, according to triboelectrification and electrostatic induction principle, the mechanical energy of pressing can be converted to electric energy,
Make to generate induced current between first electrode layer and the second electrode lay, and detection circuit is able to detect first electrode layer and the second electricity
There are information for electric current between the layer of pole, and to judge position of touch, so there is no need to the settings of external drive power supply, reduce touching
Control the energy consumption of device.
In one embodiment of the disclosure, as shown in Figure 1, side of the second electrode lay 6 departing from second electric layer 4
Equipped with display panel 8.In the present embodiment, display panel 8 can be a variety of display formats, such as: LCD display panel, OLED are aobvious
Show panel etc., be not specifically limited herein, by the setting of display panel 8, can make touch device that there is display function, in order to
The display effect of display panel 8 is improved, each functional layer of touch device can be made of transparent material, can penetrate in this way
Other function layer checks the display content of display panel 8, is used cooperatively additionally by by touch device and display panel 8, can be with
Human-computer interaction function is realized, specifically, icon in display panel 8 can be pressed when needing the icon in touch-control display panel 8
Corresponding position, during pressing, the first electrode layer 2 and the second electrode lay 6 of the corresponding region of the icon can be generated
Electric current, will test the electric current by detection circuit 7, there are information, and there are information to be transmitted to corresponding processing system by electric current
Interior, alloing processing system by electric current, there are the generation positions of information to judge position of touch, and then realize human-computer interaction function
Energy.
Further, as shown in Figure 1, second electric layer 4 is the first layer of polarizer, the first layer of polarizer conduct
The upper polaroid of the display panel 8.In the present embodiment, above-mentioned display panel 8 can be LCD display panel 8, and LCD is aobvious
Upper polaroid and down polaroid can be all arranged usually in order to realize the screening of light in showing device, and in the present embodiment, the second power generation
The upper polaroid that layer 4 can be used as display panel 8 uses, and such second electric layer, 4 one side can produce induced current, with reality
Existing touch function, another upper polaroid for being conveniently also used as display panel 8 carry out the screening of light, thus can letter
The structure for changing display panel 8, reduces the thickness of touch device, has saved manufacturing cost.
Other than can be by upper polaroid of second electric layer 4 as display panel 8, polaroid can also be separately provided,
Specifically, as shown in Fig. 2, the second electrode lay 6 is equipped with the second layer of polarizer 9, institute close to the side of the display panel 8
State upper polaroid of second layer of polarizer 9 as the display panel 8.In the present embodiment, the second polaroid is set to display surface
Between plate 8 and the second electrode lay 6, it can be attached by Optical transparent adhesive between the second polaroid and the second electrode lay 6, light
It learns transparent adhesive tape to be made of transparent material, can reduce the influence to 8 display effect of display panel；Pass through setting for upper polaroid
It sets, the screening to light in display panel 8 may be implemented, to realize the display of image；In the present embodiment, the second layer of polarizer 9
For the upper polaroid as display panel 8, the screening of light is carried out, and the second electric layer 4 then can be used as triboelectricity pole
A part, to provide induced current.
In one embodiment of the disclosure, first electric layer 3 is to receive close to the first face of second electric layer 4
Meter level rough surface, and/or, second electric layer 4 close to the second face of first electric layer 3 be rough surface.This
In embodiment, there are three types of embodiment, the first embodiments are as follows: as shown in figure 3, the first face of the first electric layer 3 is thick for tool
Matte, the second face of the second electric layer 4 are burnishing surface；Second of embodiment are as follows: as shown in figure 4, the first of the first electric layer 3
Face is burnishing surface, and the second face of the second electric layer 4 is rough surface；The third embodiment are as follows: as shown in figure 5, the first electric layer 3
The first face and the second face of the second electric layer 4 be rough surface；The setting of above-mentioned rough surface can make the first electric layer 3 and
Rub between two electric layers 4 generation the quantity of electric charge it is bigger, keep its touch-control effect more sensitive, in addition, rough surface can also be by environment
Light is scattered processing, can effectively reduce the reflectivity of environment light, improves the displaying contrast outdoors of display panel 8
And anti-dazzle light effect.
In one embodiment of the disclosure, as shown in fig. 6, the first electrode layer 2 includes multiple in the of matrix arrangement
One electrode unit 21, the second electrode lay 6 include the multiple and one-to-one second electrode list of the first electrode unit 21
Member 61, orthographic projection of the first electrode unit 21 on the underlay substrate 1 is in its corresponding second electrode unit 61
In the orthographic projection on the underlay substrate 1, wherein each first electrode unit 21 is connected by the detection circuit 7
It is connected to its corresponding second electrode unit 61.In the present embodiment, multiple first electrode units 21 are mutually independent and mutually
Do not contact, each first electrode unit 21 all can be rectangular shape, the side size range of each rectangular edges can be in 0.5mm-
Between 10mm, to ensure that finger when touching above-mentioned touch device, can at least cover a first electrode unit 21, and it is multiple
Second electrode unit 61 can be arranged in a one-to-one correspondence with multiple first electrode units 21, corresponding first electrode unit 21 and
The geomery of two electrode units 61 can be identical, and overlaps first electrode unit 21 and second electrode unit 61,
Orthographic projection of the i.e. described first electrode unit 21 on the underlay substrate 1 is in its corresponding described second electrode unit 61 in institute
It states in the orthographic projection on underlay substrate 1, each in this way first electrode unit 21 second electrode unit 61 corresponding with its passes through inspection
Survey single channel connection, when finger touch is to the corresponding region of the first electrode unit 21, detection circuit 7 be able to detect that this first
The induced current generated between electrode unit 21 and second electrode unit 61, and then may determine that its corresponding region has carried out touch-control
Operation, because the electric signal is that the first electric layer 3 and the friction of the second electric layer 4 generate, the driving function certainly realized by touch-control
Can, it is not necessarily to external scan electric current, energy-saving effect is preferable.
In one embodiment of the disclosure, as shown in fig. 7, the first electrode layer 2 includes multiple arranged in parallel
First electrode item 22, the second electrode lay 6 wrap multiple second electrode items 62 arranged in parallel, multiple first electrodes
Item 22 and multiple second electrode items 62 intersect setting, wherein each first electrode item 22 is connected by detection circuit 7 respectively
It is connected to multiple second electrode items 62.In the present embodiment, the distribution of multiple first electrode items 22 in the same plane, and two neighboring the
There is gap between one electrode strip 22；Multiple second electrode items 62 are equally distributed in the same plane, and two neighboring second electricity
There is gap between pole item 62.It is more in this way since multiple first electrode items 22 and multiple second electrode items 62 intersect setting
A first electrode item 22 and multiple second electrode items 62 just will form multiple intersection regions, and each intersection region can be used as one
Touch-control sensing unit；When any one touch-control sensing unit is by touch-control, the corresponding first electrode item 22 of the touch-control sensing unit
Can be conductive by detection circuit 7 with second electrode item 62, there are information to be transmitted to processing by the electric current of detection for detection circuit 7
In system, processing system is set to may determine that the position of corresponding touch-control sensing unit, and then realize touch function, the present embodiment
In, pass through the setting of multiple first electrode items 22 and multiple second electrode items 62, it is possible to reduce the setting quantity of detection circuit 7,
And then simplify the structure of touch device.
In one embodiment of the disclosure, above-mentioned touch device further includes processing module, and the processing module is connected to institute
Detection circuit is stated, the electric current that the detection circuit is also used to detect between the first electrode layer 2 and the second electrode lay 6 is strong
Information is spent, there are information for receiving the current strength information and the electric current for the processing module, and according to the electric current
There are information to export corresponding control signal for strength information and the circuit.In the present embodiment, processing module can be to detection electricity
There are information and current strength information to be analyzed and determined for the electric current detected in road, to export corresponding different control command,
Wherein, induced current is also in a linear relationship with touch-control pressure, and then the size of electric current can be detected by detection current circuit, and
The size of touch-control pressure is judged by the size of electric current, and then realizes the corresponding different touch commands of multistage pressure, such as: when
When user presses touch device with lighter dynamics, the electric current of the first current strength can be generated in detection circuit, and is located
When reason module gets the current strength information of the first current strength, corresponding first control command is just exported；When user uses
When heavier dynamics pressing touch device, the electric current of the second current strength can be generated in detection circuit, and processing module obtains
When getting the current strength information of the second current strength, corresponding second control command is just exported, touch-control can be thus enriched
Device control mode improves the practicability that touch device uses.
In one embodiment of the disclosure, orthographic projection of multiple insulated columns 5 on the underlay substrate 1 and described the
The orthographic projection of one electrode layer 2 and the second electrode lay 6 on the underlay substrate 1 is separated from each other.In the present embodiment, due to every
Setting from column 5, can make between the first electric layer 2 and the second electric layer 6 have certain gap, avoid the first electric layer and
Second electric layer contacts for a long time；As shown in fig. 6, when first electrode layer includes multiple first electrode units, the second electrode lay packet
When including multiple second electrode units, insulated column 5 can be supported on the gap location between multiple first electrode units；As shown in fig. 7,
When first electrode layer includes multiple first electrode items, when the second electrode lay includes multiple second electrodes, insulated column 5 be can be set
Gap location between first electrode item and second electrode item；When finger presses touch device, the of region between insulated column 5
One electric layer and first electrode layer will occur bending and deformation, with close to the second electric layer, due to the support of insulated column 5, every
The first electric layer and first electrode layer from 5 corresponding region of column will not occur bending and deformation, in order to improve first electrode layer and
The utilization rate of two electrode layers can make orthographic projection of multiple insulated columns 5 on underlay substrate 1 and first electrode layer and second electrode
Orthographic projection of the layer on underlay substrate 1 is separated from each other, and just there is no first electrode layer and the in the corresponding region of such insulated column 5
The utilization rate of first electrode layer and the second electrode lay can be improved in two electrode layers in this way.
On the other hand, the disclosure additionally provides a kind of display equipment, comprising: above-mentioned touch device.
Present disclose provides a kind of display equipment, for reducing the energy consumption of display equipment, and in the prior art, touch control device
Touch control manner be mainly condenser type, resistance-type etc., and these touch control manners are required to be equipped with touch-control in touch device and be sensed
Device, and corresponding external power supply driving is matched, due to providing electric energy by external power supply, and then result in touch device energy
Consume excessively high problem.And the prior art is compared, display equipment provided in this embodiment includes underlay substrate, the underlay substrate
Side is equipped with first electrode layer, and the first electrode layer is equipped with the first electric layer departing from the side of the underlay substrate, described
First electric layer is equipped with the second electric layer, first electric layer and second hair departing from the side of the first electrode layer
There are multiple insulated columns between electric layer, make that there is gap between first electric layer and second electric layer, described second
Electric layer is equipped with the second electrode lay departing from the side of first electric layer, and the first electrode layer is also connected by detection circuit
It is connected to the second electrode lay, the first above-mentioned electric layer and the second electric layer are capable of forming friction nanometer generating pole, work as touch-control
When pressing above-mentioned touch device, according to triboelectrification and electrostatic induction principle, the mechanical energy of pressing can be converted to electric energy,
Make to generate electric current between first electrode layer and the second electrode lay, and detection circuit is able to detect first electrode layer and the second electrode lay
Between current information, to judge position of touch, so there is no need to the settings of external drive power supply, reduce touch device
Energy consumption.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of touch device characterized by comprising
The side of underlay substrate, the underlay substrate is equipped with first electrode layer, and the first electrode layer is departing from the substrate base
The side of plate is equipped with the first electric layer, and first electric layer is equipped with the second power generation departing from the side of the first electrode layer
Layer has multiple insulated columns between first electric layer and second electric layer, make first electric layer and described the
There is gap between two electric layers, second electric layer is equipped with the second electrode lay departing from the side of first electric layer,
The first electrode layer also passes through detection circuit and is connected to the second electrode lay, and the detection circuit is for detecting described first
There are information for electric current between electrode layer and the second electrode lay.
2. touch device according to claim 1, which is characterized in that
The second electrode lay is equipped with display panel departing from the side of second electric layer.
3. touch device according to claim 2, which is characterized in that
Second electric layer is the first layer of polarizer, upper polaroid of first layer of polarizer as the display panel.
4. touch device according to claim 2, which is characterized in that
The second electrode lay is equipped with the second layer of polarizer close to the side of the display panel, and second layer of polarizer is made
For the upper polaroid of the display panel.
5. touch device according to claim 1, which is characterized in that
First electric layer close to the first face of second electric layer be rough surface, and/or,
Second electric layer close to the second face of first electric layer be rough surface.
6. touch device according to claim 1, which is characterized in that
The first electrode layer includes multiple first electrode units in matrix arrangement, and the second electrode lay includes multiple and institute
State the one-to-one second electrode unit of first electrode unit, orthographic projection of the first electrode unit on the underlay substrate
In its corresponding described second electrode unit in the orthographic projection on the underlay substrate, wherein each first electrode list
Member is connected to corresponding second electrode power supply by the detection circuit.
7. touch device according to claim 1, which is characterized in that
The first electrode layer includes multiple first electrode items arranged in parallel, and the second electrode lay packet is multiple mutually flat
The second electrode lay of row setting, multiple first electrode items and multiple second electrode items intersect setting, wherein often
A first electrode item is connected to multiple second electrode items by the detection circuit respectively.
8. touch device according to claim 1, which is characterized in that
It further include processing module, the processing module is connected to the detection circuit, and the detection circuit is also used to detect described
Current strength information between first electrode layer and the second electrode lay, the processing module is for receiving the current strength
There are information for information and the electric current, and there are information to export corresponding control according to the current strength information and the circuit
Signal.
9. touch device according to claim 1, which is characterized in that
Orthographic projection of multiple insulated columns on the underlay substrate exists with the first electrode layer and the second electrode lay
Orthographic projection on the underlay substrate is separated from each other.
10. a kind of display equipment characterized by comprising
Touch device as claimed in any one of claims 1-9 wherein.
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| CN111403445A (en) * | 2020-03-23 | 2020-07-10 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof |
| CN113437239A (en) * | 2021-06-24 | 2021-09-24 | 京东方科技集团股份有限公司 | Device for transferring electric charge and display apparatus |
| WO2021253587A1 (en) * | 2020-06-19 | 2021-12-23 | 惠州市华星光电技术有限公司 | Touch display device |
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| Publication number | Publication date |
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| CN109739382B (en) | 2022-12-20 |
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