CN206249279U - Array substrate, flexible display panel and display device - Google Patents
Array substrate, flexible display panel and display device Download PDFInfo
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- CN206249279U CN206249279U CN201620997248.4U CN201620997248U CN206249279U CN 206249279 U CN206249279 U CN 206249279U CN 201620997248 U CN201620997248 U CN 201620997248U CN 206249279 U CN206249279 U CN 206249279U
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- 239000000758 substrate Substances 0.000 title claims abstract description 112
- 238000009413 insulation Methods 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000010408 film Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000004642 Polyimide Substances 0.000 claims description 7
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- 229920001721 polyimide Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
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- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GXVMAQACUOSFJF-UHFFFAOYSA-N 1,3-dichloro-5-(2-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C(=CC=CC=2)Cl)=C1 GXVMAQACUOSFJF-UHFFFAOYSA-N 0.000 description 1
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- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses array substrate, flexible display panel and display device, array substrate includes first substrate, first electrode layer, elastic insulation dielectric layer, second electrode layer, and first electrode layer is located a surface of first substrate, and the second electrode layer is located one side that first electrode layer was kept away from to first substrate, and wherein, second electrode layer, elastic insulation dielectric layer and first electrode layer constitute pressure-sensitive capacitance for change the deformation volume that pressure produced into the electric capacity variation, thereby realize pressure detection. Because the utility model provides an array substrate has only increased electrode layer and elastic insulation dielectric layer structure on array substrate's among the prior art basis, for increase capacitanc forced induction touch-sensitive screen among the prior art and realize forced induction's array substrate, the utility model provides an array substrate thickness is less. Also, the thickness of the flexible display panel and the display device is small compared to the thickness of the flexible display panel and the display device in the related art.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of array base palte, flexible display panels and display dress
Put.
Background technology
Pressure sensitive technology, is that pressure sensitive device is added on touch control display apparatus, finger flip screen and again by
Different interaction effects can be brought.I.e. screen can sense and dub, commonly touches and the different dynamics such as weight so that touch
The more three-dimensional impression finger manipulation of control display device, realizes multifarious mode of operation.
The implementation of pressure sensitive：One is touched by increasing capacitive pressure sensing in the backlight portion of liquid crystal display
The mode of screen is touched to realize pressure sensitive function；Two is to increase capacitive pressure in the center of the display module of liquid crystal display
The mode of induction touch panel realizes pressure sensitive function.
OLED (OLED) compared with liquid crystal display, with low energy consumption, low production cost, self-luminous, width
The advantages of visual angle and fast response time, therefore pressure sensitive technology is applied to turn into trend in OLED, but by above-mentioned increase
The mode of capacitive pressure induction touch panel realizes the pressure sensitive of OLED, and the array base palte of whole OLED and OLED can be caused thick
Spend increased problem.
Utility model content
In view of this, the utility model provides a kind of array base palte, flexible display panels and display device, existing to solve
Increase whole array base palte or the display that capacitive pressure induction touch panel is caused in technology in OLED array or OLED
The increased problem of device thickness.
To achieve the above object, the utility model provides following technical scheme：
A kind of array base palte, including：
First substrate；
First electrode layer, the first electrode layer is located at a surface of first substrate；
Positioned at the first electrode layer away from the first substrate side a plurality of data lines and multi-strip scanning line, it is described many
Data line and the multi-strip scanning line mutually insulated and arranged in a crossed manner；
The second electrode lay, the second electrode lay is located at first substrate away from the first electrode layer side；
Elastic insulated dielectric layer, the elastic insulated dielectric layer be located at first substrate and the second electrode lay it
Between；
The second electrode lay, the elastic insulated dielectric layer constitute pressure sensitive electric capacity with the first electrode layer, use
In realizing pressure detecting.
Optionally, the array base palte also includes：Second substrate, second substrate be located at the first electrode layer away from
The surface of first substrate.
Optionally, first substrate and second substrate are flexible substrate.
Optionally, the material of the flexible substrate includes polyimides.
Optionally, the first electrode layer is whole face structure.
Optionally, the second electrode lay includes multiple strip shaped electric poles arranged in the first direction.
Optionally, the first direction is parallel to the scan line bearing of trend or parallel to the data wire extension side
To.
Optionally, the second electrode lay includes multiple block type electrodes arranged in arrays.
Optionally, the elastic modelling quantity of the elastic insulated dielectric layer is less than 5Gpa.
Optionally, the elastic insulated dielectric layer is layer of silica gel or foamed cotton layer.
Optionally, the thickness range of the elastic insulated dielectric layer is 5 μm~50 μm, including endpoint value.
Optionally, inorganic insulation layer is also included between first substrate and the second substrate.
Optionally, the inorganic insulation layer is silicon dioxide layer, or silicon nitride layer, or silicon dioxide layer and silicon nitride layer
Composite bed.
Optionally, also including diaphragm, the diaphragm is located at the second electrode lay and deviates from the elastic insulated medium
The surface of layer.
Optionally, the diaphragm is poly (ethylene naphthalate) film, polyethylene terephthalate film, gathers to benzene two
Any one in formic acid fourth diester film, polyethylene film and polycarbonate membrane.
The utility model also provides a kind of flexible display panels, including the array base palte described in any of the above.
Optionally, the flexible display panels also include：Deviate from positioned at a plurality of data lines and the multi-strip scanning line
The OLED luminescent layers of the first electrode layer side and positioned at the OLED luminescent layers away from the first electrode layer film
Encapsulated layer.
Optionally, the flexible display panels also include driving chip and circuit installing zone, and the driving chip is located at institute
State in circuit installing zone；
Second substrate has perforate, and the perforate is located in the circuit installing zone, and the first electrode layer passes through
The perforate is electrically connected with the driving chip.
The utility model also provides a kind of display device, including flexible display panels recited above.
Understood via above-mentioned technical scheme, the array base palte that the utility model is provided, including the first substrate, first electrode
Layer, elastic insulated dielectric layer, the second electrode lay, first electrode layer are located at a surface of the first substrate, and the second electrode lay is located at
First substrate away from first electrode layer side, wherein, the second electrode lay, elastic insulated dielectric layer and first electrode layer constitute pressure
Power inductance capacitance, the deformation quantity for pressure to be produced is changed into capacitance change, so as to realize pressure detecting.Due to this practicality
The array base palte of new offer only increased electrode layer and elastic insulated medium on the basis of array base palte in the prior art
Rotating fields, relative to the array base palte that increase capacitive pressure induction touch panel in the prior art realizes pressure sensitive, this practicality
The thickness of the array base palte of new offer is smaller.
Further, the utility model also provides a kind of flexible display panels including above-mentioned array base palte and including institute
The display device of flexible display panels is stated, because the thickness of array base palte is realized relative to capacitive pressure induction touch panel is increased
The thickness of the array base palte of pressure sensitive is smaller so that the thickness of the flexible display panels and display device also compared with
It is small.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
A kind of array base-plate structure generalized section that Fig. 1 is provided for the utility model embodiment；
A kind of structural representation of the second electrode lay that Fig. 2A is provided for the utility model embodiment；
The structural representation of another the second electrode lay that Fig. 2 B are provided for the utility model embodiment；
The structural representation of another the second electrode lay that Fig. 2 C are provided for the utility model embodiment；
Another array base-plate structure generalized section that Fig. 3 is provided for the utility model embodiment；
A kind of bi-layer substrate array base-plate structure generalized section that Fig. 4 is provided for the utility model embodiment；
Another bi-layer substrate array base-plate structure generalized section that Fig. 5 is provided for the utility model embodiment；
Another bi-layer substrate array base-plate structure generalized section that Fig. 6 is provided for the utility model embodiment；
The cross-sectional view of a kind of flexible OLED display panel that Fig. 7 is provided for the utility model embodiment；
First electrode layer and driving chip in a kind of flexible OLED display panel that Fig. 8 is provided for the utility model embodiment
The schematic diagram of connection.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
One embodiment of the present utility model provides a kind of array base palte, is as shown in Figure 1 the section view of the array base palte
Schematic diagram, the array base palte includes：First substrate 11；First electrode layer 12, first electrode layer 12 is located at the first substrate 11
One surface；A plurality of data lines and multi-strip scanning line positioned at first electrode layer 12 away from the side of the first substrate 11 (are not shown in figure
Go out), a plurality of data lines and multi-strip scanning line mutually insulated and arranged in a crossed manner；The second electrode lay 13, the second electrode lay 13 is located at the
One substrate 11 is away from the side of first electrode layer 12；Elastic insulated dielectric layer 14, elastic insulated dielectric layer 14 is located at the first substrate 11
And the second electrode lay 13 between；The second electrode lay 13, elastic insulated dielectric layer 14 constitute pressure sensitive electricity with first electrode layer 12
Hold, for realizing pressure detecting.
It should be noted that between the multi-strip scanning line being related in the utility model embodiment and a plurality of data lines mutually absolutely
Edge, is independent of each other, and a plurality of data lines is arranged in a crossed manner with multi-strip scanning line, and arranged in a crossed manner described in the present embodiment is vertical friendship
Fork is set, i.e. a plurality of data lines and the orthogonal setting of multi-strip scanning line, limits multiple pixel cells.The a plurality of data lines
Setting with multi-strip scanning line is identical with the setting of a plurality of data lines in the prior art and multi-strip scanning line, to this in the present embodiment
Do not repeat.
Explanation is needed further exist for, the insulation being located in the present embodiment between the first substrate 11 and the second electrode lay 13 is situated between
Matter layer is defined to elastic insulated dielectric layer, and the elastic insulated dielectric layer can make array base palte in finger or other pressure objects
During touch, obvious deformation is produced so that the distance between first electrode layer 12 and the second electrode lay 13 diminish, first electrode layer
12nd, the pressure sensitive electric capacity that elastic insulated dielectric layer 14 and the second electrode lay 13 are formed becomes big, so as to pressure change be changed into
The change of electrical parameter, and then realize pressure detecting.
To ensure that array base palte produces more obvious deformation under pressure, optionally, elasticity is exhausted in the present embodiment
The elastic modelling quantity of edge dielectric layer 14 is less than 5Gpa.It is more highly preferred to, elastic insulated dielectric layer 14 is layer of silica gel or foamed cotton layer.In order to
Making the thickness of OELD array base paltes increases less, in the case where the detection sensitivity of pressure sensitive electric capacity is met, the present embodiment
In it is optional, the thickness range of elastic insulated dielectric layer 14 is 5 μm~50 μm, including endpoint value.Due to first electrode layer 12 with
The first substrate 11 and elastic insulated dielectric layer 14 are only included between the second electrode lay 13, apart from relative close, relatively thin elasticity is absolutely
Edge dielectric layer can just realize the detection sensitivity of pressure sensitive electric capacity, therefore, meeting first electrode layer 12 and second electrode
In the case of there is preferable elastic deformation between layer 13, the thickness of elastic insulated dielectric layer 14 is the smaller the better.
In the present embodiment, the array base palte can be flexible OLED array, in flexible OLED array system
It is that follow-up production process causes difficulty, therefore existing flexible OLED systems because flexible material cannot more preferably shape during work
Before work, it usually needs a glass substrate is first provided, flexible OLED substrates then are made in the glass baseplate surface again, treated
After making flexible OLED display, glass substrate is separated with the OLED substrates of flexibility, glass substrate is removed, so that shape
Into flexible OLED display.Therefore, for flexible OLED array, the first substrate is flexibility described in the present embodiment
The substrate of OLED, optionally, the material of first substrate is polyimides (Polyimide is abbreviated as PI), new in this practicality
In the other embodiment of type, the material of first substrate can also be other flexible materials, and this is not limited in the present embodiment
It is fixed.
It should be noted that for the first substrate material be polyimides when, because polyimide material is non-conductive, and
First substrate is located between first electrode layer and the second electrode lay, therefore, in the present embodiment, the first substrate can also serve as
The insulating medium layer of pressure sensitive electric capacity, and because the first substrate has flexibility, further increase adjacent first electrode layer
Pressing deformation quantity and the second electrode lay between, so as to improve the accuracy of detection of pressing.
Also include elastic insulated dielectric layer and the second electrode lay in the present embodiment, in manufacturing process, by glass substrate
Separated with flexible OLED substrates, after glass substrate is removed, be additionally included in table of first substrate 11 away from first electrode layer 12
Face makes elastic insulated dielectric layer 14, and makes the second electricity on the surface away from the first substrate 11 of elastic insulated dielectric layer 14
Pole layer 13.
In order to shield interference of the signal inside outer signals and pixel to pressure sensitive electric capacity, the first electricity in the present embodiment
It is face electrode that pole layer 12 is preferably whole face structure, i.e. first electrode layer 12 such that it is able to form screen layer, shields various interference letters
Number.
Due to pressure sensitive electric capacity in the present embodiment and accurate positional information need not be provided, so the second electrode lay
Do not limited in shape the present embodiment, can be as shown in Figure 2 A, the second electrode lay 13 includes multiple bulks arranged in arrays
Electrode, multiple block type electrodes are connected to capacitance change signal and detect circuit by wire 131.The second electrode lay can also be wrapped
Multiple strip shaped electric poles arranged in the first direction are included, as shown in fig. 2 b and fig. 2 c, it is necessary to explanation, the described in the present embodiment
One is oriented parallel to the scan line bearing of trend or parallel to the data wire bearing of trend.In i.e. described the second electrode lay 13
The bearing of trend of strip shaped electric poles can also be along the bearing of trend of data wire, in the present embodiment along the bearing of trend of scan line
This is not construed as limiting.When the second electrode lay 13 include it is a plurality of arrange in the first direction strip shaped electric poles when, arranged relative in matrix
The block type electrode of row, strip shaped electric poles increase with the facing area of the first electrode layer of whole face structure, can increase pressure sensitive electricity
The capacitance of appearance.The strip shaped electric poles are connected to the detection circuit of capacitance change signal again by wire 131.In the present embodiment
The capacitance change signal detection circuit can be integrated in the detection circuit in the touch chip of touch control display apparatus, it is also possible to
It is the detection circuit being separately provided, this is not limited in the present embodiment.
Material in the present embodiment to first electrode layer and the second electrode lay is also not construed as limiting, and first electrode layer is electric with second
The material of pole layer be able to can also be differed with identical, as long as material that can be conductive can be so that conductive material can be transparent
Conductive material can also be non-transparent conductive material.Wherein, transparent conductive material can be tin indium oxide (ITO, indium tin
), rather than transparent conductive material is preferably metal material oxide.
Because the second electrode lay is conductive material, and substrate positioned at array base palte outside, be to ensure array base palte
Normally use, do not influenceed by outer signals, as shown in figure 3, the second electrode lay 13 deviates from the elastic insulated dielectric layer 14
Surface also include diaphragm 15, the material in the present embodiment to diaphragm 15 do not limit, preferably conventional at present plastics
Material, diaphragm 15 can be preferably PEN (PEN) film, PET (PET) film, gather
Any one in butylene terephthalate (PBT) film, polyethylene (PS) film and makrolon (PC) film.
The array base palte provided in the present embodiment includes the first substrate, first electrode layer, elastic insulated dielectric layer, the second electricity
Pole layer, first electrode layer is located at a surface of the first substrate, and the second electrode lay is located at the first substrate away from first electrode layer
Side, wherein, the second electrode lay, elastic insulated dielectric layer and the first motor layer constitute pressure sensitive electric capacity, for pressure to be produced
Raw deformation quantity is changed into capacitance change, so as to realize pressure detecting.Because the array base palte that the utility model is provided only exists
Electrode layer and elastic insulated medium Rotating fields are increased on the basis of array base palte in the prior art, relative in the prior art
Increase the array base palte that capacitive pressure induction touch panel realizes pressure sensitive, the thickness of the array base palte that the utility model is provided
It is smaller.
With the development of flexible OLED, the development trend of flexibility OLED is turned into using the OLED of bi-layer substrate, therefore, at this
In another embodiment of utility model, as shown in figure 4, the array base palte is except including the first substrate 21, first electrode layer 22, the
Outside two electrode layers 23, elastic insulated dielectric layer 24, also including the second substrate 25, the second substrate 25 be located at first electrode layer 22 away from
The surface of the first substrate 21, wherein the second electrode lay 23, elastic insulated dielectric layer 24 and first electrode layer 22 constitute pressure sensitive
Electric capacity, for realizing pressure detecting.The second substrate 25 plays a protective role to first electrode layer 22 in the present embodiment, can be effective
TFT (Thin Film Transistor, the abbreviation of thin film transistor (TFT)) signals are to the first electricity in shielding touch and array base palte
The influence of pole layer 22.
First electrode layer 22 is located at a surface of the first substrate 21；The second electrode lay 23 is located at the first substrate 21 away from the
The side of one electrode layer 22；Elastic insulated dielectric layer 24 is located between the first substrate 21 and the second electrode lay 23.
Wherein, in order to shield interference of the signal inside outer signals and pixel to pressure sensitive electric capacity, first electrode layer
22 are preferably whole face structure, i.e. first electrode layer 22 for face electrode such that it is able to form screen layer, shield various interference signals.
And because the pressure sensitive electric capacity need not provide accurate positional information, so shape the present embodiment of the second electrode lay 23
In do not limit, can include multiple block type electrodes arranged in arrays；Can also include what multiple was arranged in the first direction
Strip shaped electric poles, it is necessary to explanation, first direction described in the present embodiment parallel to the scan line bearing of trend or parallel to
The data wire bearing of trend.The bearing of trend of the strip shaped electric poles in i.e. described the second electrode lay can be along the extension side of scan line
To can also be not construed as limiting to this in the present embodiment along the bearing of trend of data wire.To increase the capacitance of pressure sensitive electric capacity,
Optionally, the second electrode lay described in the present embodiment is to include a plurality of strip shaped electric poles arranged in the first direction.
Optional in the present embodiment, the material of the first substrate 21 is polyimides, first electrode layer 22 and the second electrode lay
23 material identical conductive material, or different conductive materials, does not limit this, the conduction in the present embodiment
Material can be that transparent conductive material can also be non-transparent conductive material.Wherein, transparent conductive material can be ITO (oxidations
Indium tin), rather than transparent conductive material is preferably metal material.
Because the second electrode lay is conductive material, and substrate positioned at array base palte outside, be to ensure array base palte
Normally use, do not influenceed by outer signals, the second electrode lay 23 as shown in Figure 4 is away from the elastic insulated dielectric layer 24
Surface also includes diaphragm 26, and the material in the present embodiment to diaphragm 26 is not limited, preferably conventional at present plastics material
Material, diaphragm 26 can be preferably PEN (PEN) film, PET (PET) film, gather right
Any one in terephtha-late (PBT) film, polyethylene (PS) film and makrolon (PC) film.
In addition, to ensure that array base palte produces more obvious deformation, the present embodiment elastic non-conductive under pressure
The elastic modelling quantity of dielectric layer 24 is less than 5Gpa, to ensure that the distance between first electrode layer and the second electrode lay change, realizes pressure
Power is detected.It is more highly preferred to, elastic insulated dielectric layer 24 is layer of silica gel or foamed cotton layer, and its thickness range is preferably 5 μm~50 μ
M, including endpoint value.
Array base palte schematic diagram when being illustrated in figure 5 inorganic insulation layer 27 for single layer structure, to increase the obstruct of substrate
The function of water oxygen, can also include inorganic insulation layer 27, nothing described in the present embodiment between the first substrate 21 and the second substrate 25
Machine insulating barrier can be single layer structure, and the single layer structure can be silicon dioxide layer or silicon nitride layer.To list in the present embodiment
Layer inorganic insulation layer is not limited with the position of first electrode layer, and the single-layer inorganic insulating barrier may be located at first electrode layer
Top, i.e. single-layer inorganic insulating barrier are located between first electrode layer and the second substrate；The single-layer inorganic insulating barrier can also position
In the lower section of first electrode layer, i.e., between first electrode layer and the first substrate, specific inorganic insulation layer and first electrode
Layer position relationship, can be according to actual fabrication process depending on.
Inorganic insulation layer can also be sandwich construction in the present embodiment, and preferably silicon dioxide layer is compound with silicon nitride layer
Layer.Array base palte schematic diagram when being illustrated in figure 6 inorganic insulation layer 27 for sandwich construction, the sandwich construction can include many
Layer silicon dioxide layer 271 and nitride multilayer silicon layer 272, silicon dioxide layer replaces superposition with silicon nitride layer, and to form inorganic insulation compound
Layer.Likewise, also not limiting the position of multilayer inorganic insulation layer and first electrode layer in the present embodiment, multilayer inorganic insulation layer can
It is superimposed with first electrode layer as entirety, the multilayer inorganic insulation layer is located above or below first electrode layer, now,
The arrangement mode of multilayer inorganic insulation layer is identical with the arrangement mode of above-mentioned single-layer inorganic insulating barrier, is no longer repeated herein.
In addition, the multilayer inorganic insulation layer can also be without being overlapped with first electrode layer as entirety, such as first electrode layer can be with
Between the silicon dioxide layer and silicon nitride of multilayer inorganic insulation layer, i.e., first electrode layer be located at multilayer inorganic insulation layer it
In, which layer for being particularly located at the multilayer inorganic insulation layer in the present embodiment to first electrode layer is not construed as limiting.To make first
The distance between electrode layer and the second electrode lay are smaller, and the sensitivity of pressure detecting is higher, preferably described first in the present embodiment
Electrode layer is located between the inorganic insulation layer and the first substrate.
It should be noted that the preparation method of the flexible OLED of bi-layer substrate has been mature on the whole, the present embodiment is being made
In first electrode layer when, can directly by the compatible flexible OLED to existing bi-layer substrate of the manufacturing process of first electrode layer
In manufacturing process, so that it is smaller to increase influence of the cost for setting first electrode layer to making totle drilling cost.
The array base palte provided in the present embodiment, the flexible OLED array based on bi-layer substrate, except including first
Also include the second substrate outside substrate, first electrode layer is located between the first substrate and the second substrate, first electrode layer, elastic insulated
Dielectric layer and the second electrode lay form pressure sensitive electric capacity, and when flexible OLED is touched, elastic insulated dielectric layer is deformed upon,
The distance between first electrode layer and the second electrode lay reduce so that pressure sensitive electric capacity changes, so as to realize that pressure is examined
Survey.In addition, first electrode layer is located between bi-layer substrate in the present embodiment, the work that inorganic insulation layer intercepts water oxygen is may also operate as
With.
Another embodiment of the present utility model provides a kind of flexible display panels, including in both the above embodiment it is any one
The array base palte that individual embodiment is mentioned.By taking the OLED array of bi-layer substrate as an example, the flexible display panels, such as Fig. 7 institutes
Show, except including the first substrate 21, the second substrate 25, first electrode layer 22, the second electrode lay 23, elastic insulated dielectric layer 24 and guarantor
Outside cuticula 26, also include：Positioned at a plurality of data lines and the multi-strip scanning line away from the side of the first electrode layer 23
OLED luminescent layers 31 and positioned at OLED luminescent layers 31 away from the side of first electrode layer 22 thin-film encapsulation layer 33, the flexibility
OLED display panel structure also including OLED cathode layers 32, polysilicon layer (not shown) etc., the part and prior art knot
Structure is similar, and this is not described in detail in the present embodiment.
It should be noted that for the flexible OLED display panel of bi-layer substrate, (not showing in figure including driving chip also
Go out) and circuit installing zone (not shown), the driving chip is in the circuit installing zone；As shown in figure 8, flexible aobvious
Show that panel includes the first substrate 21, the second substrate 25, first electrode layer 22, the second electrode lay 23, the and of elastic insulated dielectric layer 24
Diaphragm 26, also includes：Positioned at a plurality of data lines and the multi-strip scanning line away from the side of the first electrode layer 23
OLED luminescent layers 31 and positioned at OLED luminescent layers 31 away from the side of first electrode layer 22 thin-film encapsulation layer 33, the flexibility
OLED display panel structure also including OLED cathode layers 32, polysilicon layer (not shown) etc., has on the second substrate 25 and opens
Hole, the perforate is located in the circuit installing zone, and first electrode layer 22 is electrically connected by the perforate with the driving chip.
Optionally, it is soft as shown in figure 8, first electrode layer 22 is connected by the conducting particles inside perforate with flexible PCB 34
Property circuit board 34 is connected to driving chip.
After first electrode layer is electrically connected on driving chip in the present embodiment, driving chip provides constant to first electrode layer
Current potential.Therefore, the reading/writing method of the pressure sensitive electric capacity for being provided in the present embodiment is comprised the following steps：
Constant voltage is provided to first electrode layer；
The induced voltage of change is provided to the second electrode lay, the induced potential is divided into write signal stage and read signal rank
There is voltage difference in section, the voltage in the write signal stage, do not limited in the present embodiment described with the voltage in the read signal stage
The specific difference of voltage difference, and the concrete form of the induced voltage of the change is not limited, can be with square-wave voltage, sine wave electricity
Pressure, triangle wave voltage etc..
By on the detector of the externally connected touch chip of the second electrode lay, the detector is used to detect the second electrode lay
On charge variation amount, so as to judge the degree whether flexible OLED display panel is pressed and presses, so as to realize pressure
The detection of induced signal.
It should be noted that when detecting pressure sensitive signal in the present embodiment, using the second electrode lay as detecting electrode, by
Outermost is located in the second electrode lay, it is thus possible to do not disturbed by any signal in display panel, and then improve feeling of stress
The sensitivity answered.
The utility model embodiment provides a kind of flexible OLED display panel, because its array base palte is in above example
Array base palte, therefore, its thickness relative in the prior art increase capacitive pressure induction touch panel realize pressure sensitive
The thickness of flexible OLED display panel is smaller.
The utility model also provides a kind of display device simultaneously, and the display device includes the flexibility in a upper embodiment
OLED display panel.
The display device at least has the advantages that：Because the display panel in the display device is flexibility
Array base palte in oled panel, and the flexible OLED panel be include the first substrate, first electrode layer, the second electrode lay and
The array base palte of elastic insulated dielectric layer, wherein, the second electrode lay, the elastic insulated dielectric layer and the first electrode
Layer constitutes pressure sensitive electric capacity, for realizing pressure detecting.The display device provided i.e. in the utility model embodiment, in original
Several Rotating fields, decomposition pressure inductance capacitance are increased on the basis of OLED, so as to substitute increase condenser type pressure of the prior art
Power induction touch panel realizes the technical scheme of pressure touch so that the thickness of display device is greatly reduced.
Further, for the display device of bi-layer substrate, because first electrode layer is formed between bi-layer substrate, it is located at
The lower section of each layers of TFT of display panel, it has been currently used technique that inorganic insulation layer is done between bi-layer substrate, therefore,
Increase the making for making first electrode layer in the present embodiment, process costs will not be increased.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and between not necessarily requiring or implying these entities or operate
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that article or equipment including a series of key elements not only include those key elements, but also
Including other key elements being not expressly set out, or it is this article or the intrinsic key element of equipment also to include.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that in the article including above-mentioned key element
Or also there is other identical element in equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (21)
1. a kind of array base palte, it is characterised in that including：
First substrate；
First electrode layer, the first electrode layer is located at a surface of first substrate；
Positioned at the first electrode layer away from the first substrate side a plurality of data lines and multi-strip scanning line, a plurality of number
According to line and the multi-strip scanning line mutually insulated and arranged in a crossed manner；
The second electrode lay, the second electrode lay is located at first substrate away from the first electrode layer side；
Elastic insulated dielectric layer, the elastic insulated dielectric layer is located between first substrate and the second electrode lay；
The second electrode lay, the elastic insulated dielectric layer constitute pressure sensitive electric capacity with the first electrode layer, for reality
Existing pressure detecting.
2. array base palte according to claim 1, it is characterised in that also include：Second substrate, second substrate is located at
Surface of the first electrode layer away from first substrate.
3. array base palte according to claim 2, it is characterised in that first substrate and second substrate are flexibility
Substrate.
4. array base palte according to claim 3, it is characterised in that the material of the flexible substrate includes polyimides.
5. array base palte according to claim 1, it is characterised in that the first electrode layer is whole face structure.
6. array base palte according to claim 1, it is characterised in that the second electrode lay include it is multiple in the first direction
The strip shaped electric poles of arrangement.
7. array base palte according to claim 6, it is characterised in that the first direction prolongs parallel to the scan line
Stretch direction or the bearing of trend parallel to the data wire.
8. array base palte according to claim 1, it is characterised in that the second electrode lay includes multiple arranged in arrays
Block type electrode.
9. array base palte according to claim 1, it is characterised in that the elastic modelling quantity of the elastic insulated dielectric layer is less than
5Gpa。
10. array base palte according to claim 9, it is characterised in that the elastic insulated dielectric layer is layer of silica gel or bubble
Cotton layer.
11. array base paltes according to claim 10, it is characterised in that the thickness range of the elastic insulated dielectric layer is
5 μm~50 μm, including endpoint value.
12. array base paltes according to claim 2, it is characterised in that also wrapped between first substrate and the second substrate
Include inorganic insulation layer.
13. array base paltes according to claim 12, it is characterised in that the inorganic insulation layer is silicon dioxide layer, or
Silicon nitride layer, or silicon dioxide layer and silicon nitride layer composite bed.
14. array base paltes according to claim 1, it is characterised in that also including diaphragm, the diaphragm is located at described
The second electrode lay is away from the surface of the elastic insulated dielectric layer.
15. array base paltes according to claim 14, it is characterised in that the diaphragm is PEN
It is any one in film, polyethylene terephthalate film, polybutylene terephthalate film, polyethylene film and polycarbonate membrane
Kind.
16. a kind of flexible display panels, it is characterised in that including the array described in claim 1,5-11,14,15 any one
Substrate.
17. flexible display panels according to claim 16, it is characterised in that also include：Positioned at a plurality of data lines
Deviate from away from the OLED luminescent layers of the first electrode layer side and positioned at the OLED luminescent layers with the multi-strip scanning line
The thin-film encapsulation layer of the first electrode layer.
18. a kind of flexible display panels, it is characterised in that including the array base described in any one of claim 2-4,12,13
Plate.
19. flexible display panels according to claim 18, it is characterised in that also include：Positioned at a plurality of data lines
Deviate from away from the OLED luminescent layers of the first electrode layer side and positioned at the OLED luminescent layers with the multi-strip scanning line
The thin-film encapsulation layer of the first electrode layer.
20. flexible display panels according to claim 19, it is characterised in that also installed including driving chip and circuit
Area, the driving chip is located in the circuit installing zone；
Second substrate has perforate, and the perforate is located in the circuit installing zone, and the first electrode layer is by described
Perforate is electrically connected with the driving chip.
21. a kind of display devices, it is characterised in that including the flexible display panels described in claim 16~20 any one.
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| CN201620997248.4U CN206249279U (en) | 2016-08-30 | 2016-08-30 | Array substrate, flexible display panel and display device |
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|---|---|---|---|
| CN201620997248.4U CN206249279U (en) | 2016-08-30 | 2016-08-30 | Array substrate, flexible display panel and display device |
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| CN206249279U true CN206249279U (en) | 2017-06-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107329615A (en) * | 2017-06-30 | 2017-11-07 | 上海天马微电子有限公司 | Display panel and display device |
| CN107393905A (en) * | 2017-07-28 | 2017-11-24 | 天马微电子股份有限公司 | Flexible display panels and flexible display apparatus |
| CN107589872A (en) * | 2017-09-20 | 2018-01-16 | 厦门天马微电子有限公司 | A kind of display panel and display device |
| CN108110036A (en) * | 2017-12-15 | 2018-06-01 | 京东方科技集团股份有限公司 | OLED touch panels and its manufacturing method |
| CN108760111A (en) * | 2018-05-22 | 2018-11-06 | 京东方科技集团股份有限公司 | Pressure sensor and preparation method, pressure sensitive method and display device |
| CN108829288A (en) * | 2018-06-25 | 2018-11-16 | 昆山国显光电有限公司 | A kind of display device and preparation method thereof |
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| CN112099674A (en) * | 2020-09-27 | 2020-12-18 | 昆山龙腾光电股份有限公司 | Touch control display device |
| WO2023201877A1 (en) * | 2022-04-20 | 2023-10-26 | 慕思健康睡眠股份有限公司 | Flexible sensor and intelligent mat |
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| CN107329615A (en) * | 2017-06-30 | 2017-11-07 | 上海天马微电子有限公司 | Display panel and display device |
| CN107393905A (en) * | 2017-07-28 | 2017-11-24 | 天马微电子股份有限公司 | Flexible display panels and flexible display apparatus |
| CN107393905B (en) * | 2017-07-28 | 2019-07-09 | 天马微电子股份有限公司 | Flexible display panels and flexible display apparatus |
| US10446634B2 (en) | 2017-07-28 | 2019-10-15 | Tianma Micro-Electronics Co., Ltd. | Flexible display panel and flexible display device |
| CN107589872A (en) * | 2017-09-20 | 2018-01-16 | 厦门天马微电子有限公司 | A kind of display panel and display device |
| CN108110036A (en) * | 2017-12-15 | 2018-06-01 | 京东方科技集团股份有限公司 | OLED touch panels and its manufacturing method |
| US11698316B2 (en) | 2018-05-22 | 2023-07-11 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Pressure sensor, manufacturing method thereof, pressure sensing method and display device |
| CN108760111A (en) * | 2018-05-22 | 2018-11-06 | 京东方科技集团股份有限公司 | Pressure sensor and preparation method, pressure sensitive method and display device |
| CN108829288A (en) * | 2018-06-25 | 2018-11-16 | 昆山国显光电有限公司 | A kind of display device and preparation method thereof |
| CN109887757A (en) * | 2019-02-19 | 2019-06-14 | 五邑大学 | A kind of integral array type sensing energy storage device and preparation method thereof |
| CN112099674A (en) * | 2020-09-27 | 2020-12-18 | 昆山龙腾光电股份有限公司 | Touch control display device |
| CN112099674B (en) * | 2020-09-27 | 2024-08-20 | 昆山龙腾光电股份有限公司 | Touch display device |
| WO2023201877A1 (en) * | 2022-04-20 | 2023-10-26 | 慕思健康睡眠股份有限公司 | Flexible sensor and intelligent mat |
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