CN107450772A - Flexible touch sensor and flexible touch display device - Google Patents
Flexible touch sensor and flexible touch display device Download PDFInfo
- Publication number
- CN107450772A CN107450772A CN201710590254.7A CN201710590254A CN107450772A CN 107450772 A CN107450772 A CN 107450772A CN 201710590254 A CN201710590254 A CN 201710590254A CN 107450772 A CN107450772 A CN 107450772A
- Authority
- CN
- China
- Prior art keywords
- electrode
- touch
- touch control
- control electrode
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
Abstract
This application discloses a kind of flexible touch sensor and flexible touch display device, flexible touch sensor includes：The first touch control electrode and second touch control electrode that multiple insulation intersect, the first touch control electrode and second touch control electrode extend with second direction in the first direction respectively；Transparent electrode layer, at least one transparency electrode is provided with transparent electrode layer；Insulating barrier, insulating barrier are formed between the first touch control electrode and transparent electrode layer, and insulating barrier is electrically connected formed with multiple vias, transparency electrode by via with first touch control electrode；Wherein, the angle between first direction and the folding shaft of flexible touch sensor is more than the angle between second direction and folding shaft.According to the scheme of the application, the bending resistance of the first touch control electrode can be strengthened, reduce the first touch control electrode due to the possibility for being broken and fractureing caused by bending, so as to reduce the risk of touch control detection failure.
Description
Technical field
The disclosure relates generally to display technology field, more particularly to a kind of flexible touch sensor and flexible touch are shown
Device.
Background technology
With the development of Display Technique, the application of flexible display technologies is more and more extensive.In existing flexible display panels
Structure in, generally include flexible base board and be formed at each display device Rotating fields of flexible base board side.It is for example, flexible
The structure of OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display panel can include：It is flexible
Substrate, the multiple conductive layers sequentially formed on flexible substrates, including thin film transistor array layer, anode layer, organic light emission
Layer, cathode layer and encapsulated layer, when flexible OLED display panel is touch-control display panel, 1-2 touch-control electricity can also be included
Pole layer.Insulating barrier can also be set between each conductive layer, so as to be insulated between adjacent conductive layer.
In addition, some flexible display panels have the region (can be described as bent area) that at least a portion can fold.It is flexible
The part that display panel is in bent area can be along some direction or in an angular range all directions bending.
However, in the flexible display panels of prior art, the bending resistance of each electrode layer still has much room for improvement.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, it is expected to provide a kind of flexible touch sensor and flexible touch
Display device, to solve technical problem present in prior art.
In a first aspect, the embodiment of the present application provides a kind of flexible touch sensor, the first touch-control that multiple insulation intersect
Electrode and second touch control electrode, the first touch control electrode and second touch control electrode extend with second direction in the first direction respectively；Thoroughly
Prescribed electrode layer, at least one transparency electrode is provided with transparent electrode layer；Insulating barrier, insulating barrier are formed in the first touch control electrode
Between transparent electrode layer, insulating barrier passes through via and the first touch control electrode electricity formed with multiple vias, transparency electrode
Connection；Wherein, the angle between first direction and the folding shaft of flexible touch sensor is more than between second direction and folding shaft
Angle.
In certain embodiments, the first touch control electrode and second touch control electrode are wire mesh electrode.
In certain embodiments, transparency electrode is the strip shaped electric poles extended in a first direction.
In certain embodiments, the first touch control electrode includes multiple first electrode blocks and is connected to two neighboring first
The first connecting bridge between electrode block；Second touch control electrode includes multiple second electrode blocks and is connected to two neighboring second
The second connecting bridge between electrode block；First electrode block, the first connecting bridge and second electrode block are formed in same metal level.
In certain embodiments, the second connecting bridge is located at transparent electrode layer.
In certain embodiments, each transparency electrode includes multiple open regions；Each second connecting bridge is formed in open region, and
Each second connecting bridge and transparency electrode mutually insulated.
In certain embodiments, each first electrode block of same first touch control electrode at least through a via with
Same transparency electrode electrical connection.
In certain embodiments, transparency electrode is corresponded with the first touch control electrode and electrically connected.
In certain embodiments, the first touch control electrode is touch-control driving electrodes, and second touch control electrode is touch-control sensing electricity
Pole；Transparency electrode at least partly overlaps with second touch control electrode where flexible touch sensor on in-plane.
Second aspect, present invention also provides a kind of flexible touch display device, including flexible touch sensing as above
Device.
In certain embodiments, flexible touch display device also includes organic light emitting functional layer and covering organic light emission work(
The thin-film encapsulation layer of ergosphere.
In certain embodiments, flexible touch sensor is formed in the upper surface of thin-film encapsulation layer；
Wherein, the upper surface of thin-film encapsulation layer is the surface of the remote organic luminescence function layer of thin-film encapsulation layer.
In certain embodiments, transparent electrode layer is arranged at insulating barrier close to the side of thin-film encapsulation layer.
According to the scheme of the application, the transparency electrode electrically connected by setting with the first touch control electrode, in bending, thoroughly
Prescribed electrode can play certain protective effect to the first touch control electrode, so as to strengthen the bending resistance of the first touch control electrode, subtract
Small first touch control electrode is due to the possibility for being broken and fractureing caused by bending, so as to reduce the risk of touch control detection failure.
In certain embodiments, the first touch control electrode is touch-control driving electrodes and second touch control electrode is touch-control sensing electricity
Pole.In these embodiments, by setting transparency electrode being put down with second touch control electrode where flexible touch sensor
It is at least partly overlapping on the direction of face, the outer touch-control of bound pair second electricity can be shielded when flexible touch sensor carries out touch-control sensing
The interference for the touch sensible signal that pole receives so that sensitivity of touch detection and the degree of accuracy are correspondingly lifted.
In addition, in some embodiments of flexible touch display device, by the way that flexible touch sensor is formed in film
The upper surface of encapsulated layer, it can further isolate the first touch control electrode, second touch control electrode and show electrode (such as OLED
The negative electrode and anode of display), it is mutually dry between the first touch control electrode, second touch control electrode and show electrode so as to reduce
Disturb.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application its
Its feature, objects and advantages will become more apparent upon：
Figure 1A shows the schematic diagram of the flexible touch sensor of the application one embodiment；
Figure 1B is the schematic cross sectional views of the A-A ' along Figure 1A；
When the flexible touch sensor that Fig. 1 C schematically show the present embodiment is in bending state, first direction,
Relative position relation between two directions and folding direction of principal axis；
Fig. 2A shows the schematic diagram of the flexible touch sensor of another embodiment of the application；
Fig. 2 B are the schematic cross sectional views of the B-B ' along Fig. 2A；
Fig. 2 C are the schematic cross sectional views of the C-C ' along Fig. 2A；
Fig. 2 D are the schematic diagram of the first touch control electrode in Fig. 2A illustrated embodiments；
Fig. 2 E are the schematic diagram of second touch control electrode in Fig. 2A illustrated embodiments；
Fig. 3 A are the schematic diagram of the flexible touch sensor of the application another embodiment；
Fig. 3 B are Fig. 3 A schematic cross sectional views；
Fig. 3 C are the schematic diagram of the transparent electrode layer in Fig. 3 A；
Fig. 4 is the schematic diagram of one embodiment of the flexible touch display device of the application；
Fig. 5 is a kind of schematic diagram when the flexible touch display device of the application is organic light-emitting display device.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that it is
It is easy to describe, illustrate only the part related to invention in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is the schematic diagram of one embodiment of the flexible touch sensor of the application referring to shown in Figure 1A, Figure 1B
For the schematic cross sectional views of the A-A ' along Figure 1A.Below, the flexible touch sensing to the present embodiment will be carried out with reference to Figure 1A and Figure 1B
Device is described in detail.
The flexible touch sensor of the present embodiment includes the first touch control electrode 110 and the second touch-control that multiple insulation intersect
Electrode 120.D1 extensions and the D2 extensions in a second direction of second touch control electrode 120 in the first direction of first touch control electrode 110.
Here, the bearing of trend D1 of the first touch control electrode 110, the bearing of trend D2 of second touch control electrode 120 each mean that flexible touch passes
When sensor is not bent, the bearing of trend of the first touch control electrode 110 and second touch control electrode 120.
The flexible touch sensor of the present embodiment also includes transparent electrode layer and insulating barrier 140.
At least one transparency electrode 130 is provided with transparent electrode layer.Insulating barrier 140 is formed in the first touch control electrode 110
Between transparent electrode layer.In addition, being also formed with multiple vias on insulating barrier 140, a transparency electrode 130 can pass through via
Electrically connected with one of them first touch control electrode 110.
The flexible touch sensor of the present embodiment can be bent and/or be folded.When by external force act on and bend or
During folding, flexible touch sensor can bend or fold along a certain axis.This direction can be referred to as flexible touch sensing
The folding shaft of device.It is understood that folding shaft is the location of on flexible touch sensor and/or bearing of trend can be with
It is fixed or unfixed.
Specifically, for example, in application scenes, it is assumed that flexible touch sensor can be at an arbitrary position along specific
Direction is bent, then, in these application scenarios, the bearing of trend of folding shaft is fixed (i.e. the specific direction), and its
Location is not fixed in flexible touch sensor, and in other words, the arbitrary portion of flexible touch sensor can be along spy
Determine direction to be bent.
Or in other application scenarios, a certain subregion of flexible touch sensor can bend or fold
(for example, being referred to as bending region), in bending region, flexible touch sensor can be bent along any direction.Should at these
It is unfixed with the direction and position that in scene, bend axle.
In addition, in the flexible touch sensor of the present embodiment, the folding shaft of first direction D1 and flexible touch sensor it
Between angle be more than angle between second direction D2 and folding shaft.
Referring to shown in Fig. 1 C, that schematically shows relative between first direction D1, second direction D2 and folding shaft
Position relationship.
It can visually see from Fig. 1 C, due to the first touch control electrode 110, D1 extends and the second touch-control in the first direction
D2 extends electrode 120 in a second direction, and folding shaft L and first direction D1 angle is more than folding shaft L and second direction D2's
Angle, therefore, in bending, the stress that the first touch control electrode 110 is subject to is more than the flexible touch sensor of the present embodiment
The stress of second touch control electrode 120.And by setting the transparency electrode 130 electrically connected with the first touch control electrode 110, can
To play certain protective effect to the first touch control electrode 110, bending institute is acted on by external force so as to reduce flexible touch sensor
The risk of caused fracture.Specifically, the first touch control electrode 110 electrically connected with transparency electrode 130 when some because of bending and
During fracture, transparency electrode 130 can replace the first touch control electrode 110 of the fracture to carry out touch detection.For example, if first touches
Control electrode 110 is touch-control driving electrodes, and when first touch control electrode 110 is broken, transparency electrode 130 can replace should
First touch control electrode 110 provides touch-control drive signal, completes the function of touch-control driving；If the first touch control electrode 110 is touch-control sense
Electrode is answered, when first touch control electrode 110 is broken, transparency electrode 130 can adopt instead of first touch control electrode 110
Collect touch sensible signal, so as to realize the detection of touch location.On the other hand, if the first touch control electrode 110 is not broken,
After being electrically connected with transparency electrode 130, it can also reduce the resistance of first touch control electrode 110, so as to lift the spirit of touch detection
Sensitivity.
In some optional implementations of the present embodiment, the He of the first touch control electrode 110 in flexible touch sensor
Second touch control electrode 120 can be wire mesh electrode.Wire mesh electrode can be interweaved by more metal lines to be formed.Metal
Mesh electrode has the advantages that bending resistance is strong, resistance is small, is not susceptible to open circuit, therefore, using wire mesh electrode as
First touch control electrode and second touch control electrode are applied into flexible touch sensor, can improve touching for flexible touch sensor
Touch detection reliability.Wire mesh electrode such as can using nano-silver thread penetrance high material make, such one
Come, when flexible touch sensor is applied to display panel, the penetrance of display panel will not be had undesirable effect.
In addition, in some optional implementations of the present embodiment, each transparency electrode in flexible touch sensor is
The strip shaped electric poles extended in a first direction.By the way that transparency electrode is arranged into consistent with the bearing of trend of the first touch control electrode 110
Strip shaped electric poles so, once the first touch control electrode 110 electrically connected with transparency electrode is broken, due to transparency electrode
Bearing of trend it is consistent with the first touch control electrode, transparency electrode equally can with each second touch control electrode 120 perpendicular to
The direction upper part of plane overlaps where flexible touch sensor (during non-bending state), so as to realize the detection of touch location.
It is the schematic diagram of the flexible touch sensor of the application another embodiment referring to shown in Fig. 2A.Fig. 2 B are along Fig. 2A
Middle B-B ' sectional view, Fig. 2 C are the sectional view of the C-C ' along Fig. 2A.
Similar with the embodiment shown in Figure 1A and Figure 1B, the flexible touch sensor of the present embodiment equally includes transparent electricity
The first touch control electrode 210 and second touch control electrode 220 that pole layer, insulating barrier 240, multiple insulation intersect.First touch control electrode
210 D1 extensions and the D2 extensions in a second direction of second touch control electrode 220 in the first direction.It is provided with least on transparent electrode layer
One transparency electrode 230.Insulating barrier 240 is formed between the first touch control electrode 210 and transparent electrode layer.In addition, insulating barrier
Multiple vias are also formed with 240, transparency electrode 230 can be electrically connected by via with one of them first touch control electrode 210.
Unlike the embodiment shown in Figure 1A and Figure 1B, in the present embodiment, the first touch control electrode 210 includes multiple
First electrode block and the first connecting bridge being connected between two neighboring first electrode block.Second touch control electrode 220 includes more
Individual second electrode block and the second connecting bridge being connected between two neighboring second electrode block.And first electrode block, the first company
Bridge is connect to be formed in same metal level with second electrode block.
Specifically, referring to shown in Fig. 2 D and Fig. 2 E, respectively illustrating the first touch control electrode 210 and second in the present embodiment
The schematic diagram of touch control electrode 220.
As can be seen that the first touch control electrode includes multiple first electrode blocks 211 and connection two neighboring first from Fig. 2 D
First connecting bridge 212 of electrode block 211.In addition, as can be seen that second touch control electrode includes multiple second electrodes from Fig. 2 D
Block 221 and the second connecting bridge 222 for connecting two neighboring second electrode block 221.
As can be seen that first electrode block 211, the first connecting bridge 212 and the shape of second electrode block 221 from Fig. 2 B and Fig. 2 C
Into in same metal level.And the second connecting bridge 222 then formed with first electrode block 211, the first connecting bridge 212 and second
The different metal level of electrode block 221.Second connecting bridge 222 can be by forming on insulating barrier between the two metal layers
Via and corresponding second electrode block 221 electrically connect.
Similar with the embodiment shown in Figure 1A and Figure 1B, in the present embodiment, folding shaft and first direction D1 angle are more than
Folding shaft and second direction D2 angle, therefore, the flexible touch sensor of the present embodiment is in bending, the first touch control electrode
210 stress being subject to are more than the stress of second touch control electrode 220.And by setting and the electricity of the first touch control electrode 210
The transparency electrode 230 of connection, when the first touch control electrode 210 bends and is broken the first touch control electrode 210 can be replaced to realize and touched
Detection function is touched, and does not occur to bend the resistance that the first touch control electrode 210 is reduced during fracture in the first touch control electrode 210, so as to
Reduce risk of the flexible touch sensor by the fracture caused by external force effect bending.
In addition, in the present embodiment, by the way that first electrode block 211, the first connecting bridge 212 and second electrode block 221 are set
In same metal level, the spacing between first electrode block 211 and second electrode block 221 can be reduced.Carrying out touch detection
When, the semaphore change of the inductance capacitance formed between first electrode block 211 and second electrode block 221 is bigger so that touches inspection
The precision of survey is higher.
Referring to shown in Fig. 3 A, being the schematic diagram of another embodiment of the flexible touch sensor of the application, scheme
3B is Fig. 3 A schematic cross sectional views.
Similar with the embodiment shown in Fig. 2A, the flexible touch sensor of the present embodiment equally includes transparent electrode layer, absolutely
The first touch control electrode 310 and second touch control electrode 320 that edge layer 340, multiple insulation intersect.First touch control electrode 310 along first
Direction D1 extends and the D2 extensions in a second direction of second touch control electrode 320.At least one transparent electricity is provided with transparent electrode layer
Pole 330.Insulating barrier 340 is formed between the first touch control electrode 310 and transparent electrode layer.In addition, also formed on insulating barrier 340
There are multiple vias, transparency electrode 330 can be electrically connected by via with one of them first touch control electrode 310.In addition, this implementation
In example, the first touch control electrode equally includes multiple first electrode blocks and be connected between two neighboring first electrode block the
One connecting bridge.Second touch control electrode includes multiple second electrode blocks and be connected between two neighboring second electrode block the
Two connecting bridges.And first electrode block, the first connecting bridge and second electrode block are formed in same metal level.
Unlike the embodiment shown in Fig. 2A, in the present embodiment, the second connecting bridge is formed in transparent electrode layer.
It is the schematic diagram of the transparent electrode layer of the flexible touch sensor of the present embodiment referring to shown in Fig. 3 C.
As can be seen that being formed in transparency electrode 330 formed with multiple open regions, the second connecting bridge 322 at this from Fig. 3 C
In a little open regions, for example, being correspondingly formed second connecting bridge 322 in each open region.Each connecting bridge 322 with it is transparent
The mutually insulated of electrode 330.
Similar with the embodiment shown in Fig. 2A, in the present embodiment, folding shaft and first direction D1 angle are more than folding shaft
With second direction D2 angle, therefore, the flexible touch sensor of the present embodiment in bending, the first touch control electrode 310 by
Stress be more than second touch control electrode 320 stress.And electrically connected by setting with the first touch control electrode 310
Transparency electrode 330, touch detection can be realized instead of the first touch control electrode 310 when the first touch control electrode 310 bends and is broken
Function, and do not occur to bend the resistance that the first touch control electrode 310 is reduced during fracture in the first touch control electrode 310, it is soft so as to reduce
Property touch sensor by external force effect bending caused by fracture risk.
On the other hand, in the present embodiment, by the way that first electrode block, the first connecting bridge and second electrode block are arranged on together
One metal level, can reduce the spacing between first electrode block and second electrode block.When carrying out touch detection, the first electricity
The semaphore change of the inductance capacitance formed between pole block and second electrode block is bigger so that the precision of touch detection is higher.
In addition, in the present embodiment, by the way that the second connecting bridge 322 is arranged on into transparent electrode layer, system can be further reduced
Make the quantity of the film layer of flexible touch sensor, reduce the process for making flexible touch sensor and be advantageous to flexible touch
Touch the slimming of sensor.It is appreciated that the technical scheme that the present embodiment is provided, is not increasing the base of any other film layer
On plinth, the lifting of the bending reliability of the first touch control electrode is realized, reduces the resistance of the first touch control electrode.
In some optional implementations of the embodiment shown in Fig. 2A and Fig. 3 A, same first touch control electrode
210th, 310 each first electrode block electrically connects at least through a via with same transparency electrode 230,330.Such one
Come, because each first electrode block is electrically connected by via with transparency electrode, no matter the first touch control electrode occurs to break in what position
Split, transparency electrode can replace the first electrode block realize the function of touch detection or touch sensible, will not cause this
One electrode block region touch control detection failure.Further, because the first connecting bridge 312 is small in second direction D2 width
In first electrode block second direction D2 width, when being bent, if cracking, the electricity of the first connecting bridge 312 to the first
Pole block is easier that open circuit occurs.If occurring open circuit in the part of some first connecting bridge 312, and first connecting bridge 312 is along the
Wherein side in the relative both sides in one direction, can not normal work by the first electrode block for causing no this side of via without via
Make.If now, the relevant position of transparency electrode is also broken, touch detection will be caused dead band, the precision of touch detection occur
It is remarkably decreased with sensitivity.Wherein therefore, in place of via being arranged on into each first electrode block, the can be avoided as much as
The hair of a part of region touch-control failure caused by one touch control electrode 310 and the transparency electrode 330 being electrically connected while fracture
It is raw, lift the reliability of flexible touch sensor.Also, by set each first electrode block by least one via with
Same transparency electrode electrical connection, either fracture occurs for first electrode block or transparency electrode is broken, as long as the first electricity
The fracture of pole block and transparency electrode does not occur at same position, and the two can be by UNICOM above and below via, so as to whole piece
First electrode and whole piece transparency electrode can work on, and fracture will not be to the touch detection work(of first electrode and transparency electrode
Energy or touch sensing function produce any influence.
In some optional implementations of the flexible touch sensor of each embodiment of the application, transparency electrode and the
One touch control electrode can correspond electrical connection.In these optional implementations, the first touch control electrode can be that touch-control drives
Moving electrode and second touch control electrode can be touch-control sensing electrode.In other words, can be to first when carrying out touch detection
Touch control electrode is passed through touch-control drive signal successively, and detects the touch sensible signal of second touch control electrode collection simultaneously, passes through
Touch sensible signal determines touch location.In these optional implementations, pass through touch-control driving electrodes and transparency electrode
It is one-to-one to electrically connect and apply touch-control driving letter to touch-control driving electrodes and transparency electrode simultaneously in touch detection
Number, the interference of outer bound pair touch sensible signal can be shielded, so as to further lift the precision of touch detection.
In addition, in these optional implementations, transparency electrode can be touched with second touch control electrode perpendicular to flexibility
It is at least partly overlapping on in-plane where touching sensor, so, can also between transparency electrode and second touch control electrode
Inductance capacitance is formed, the semaphore of inductance capacitance when carrying out touch detection so as to further increase, is advantageous to lifting and touches inspection
The degree of accuracy of survey.
It is shown in Figure 4, it is the schematic diagram of one embodiment of the flexible touch display device of the application.
The flexible touch display device of the present embodiment can include the flexible touch sensor of any of the above one embodiment
410。
Furthermore, it is to be understood that the flexible touch display device of the present embodiment can also include flexible base board 420, for showing
The film layer 430 shown and the protective layer 440 for being protected to each film layer of flexible touch display device.Herein, it is used for
The film layer 430 of display can be configured according to displaying principle.
The flexible touch display device of the present embodiment goes for any possible Display Technique form, including but not
Be limited to micro- diode displaying (micro LED), quantum dot show (Quantum Dot Light Emitting Diodes,
QLED), Electronic Paper etc., those skilled in the art can be selected according to the demand of concrete application scene.
The flexible touch display device of the present embodiment, due to adding transparency electrode in flexible touch sensor therein
Layer, the first touch control electrode can be protected to be not easily broken in bending, reduce the wind to be failed due to touch control detection caused by bending
Danger, improve the touch detection reliability of flexible touch display device.
It is appreciated that the flexible touch display device of the application can be organic light-emitting display device.It is shown in Figure 5,
A kind of schematic diagram when for the flexible touch display device of the application being organic light-emitting display device.
As shown in figure 5, flexible touch display device includes flexible base board 510, organic luminescence function layer 520 and flexibility
Touch sensor 530.Herein, organic luminescence function layer can for example include anode 521, negative electrode 522 and be formed in anode
Luminous organic material 523 between negative electrode.In addition, organic light-emitting display device also includes covering organic light emitting functional layer
Thin-film encapsulation layer 540, thin-film encapsulation layer 540 are used as a kind of flexible package layer, can both play protection organic luminescence function layer
520 and the effect of other film layers (for example, thin film transistor (TFT) array), can also be in flexible touch display device by external force
Bent therewith during effect bending.
In addition, as shown in figure 5, flexible touch sensor 530 can be formed in the upper surface of thin-film encapsulation layer 540.At this
In, the upper surface of thin-film encapsulation layer 540 is the surface of the remote organic luminescence function layer 520 of thin-film encapsulation layer 540.Such one
Come, be spaced between the organic luminescence function layer 520 for display and the flexible touch sensor 530 for touch detection it is larger,
Interfering between touch detection and normal display can be reduced as much as possible.
Shown in Figure 5 in some optional implementations, it is close that transparent electrode layer 531 is arranged at insulating barrier 532
The side of thin-film encapsulation layer 540.In other words, in these optional implementations, the touch-control of transparent electrode layer 531 to the first
Electrode, second touch control electrode are closer to organic luminescence function layer.So, in touch detection, while to the first touch-control
Transparency electrode on electrode and transparent electrode layer 531 applies touch-control drive signal, can be with each below shielded film encapsulated layer
Interference of the conductive film layer (for example, organic luminescence function layer and thin film transistor (TFT) array etc.) to touch sensible signal, so as to enter one
The precision of step ground lifting touch detection.Specifically, for mutual capacitance type touch sensor, touch-control driving electrodes are transfused to touch-control drive
Electrokinetic potential, touch-control sensing electrode output touch control detection current potential, the output current potential of touch-control sensing electrode is easily by display signal
Influence, so as to cause signal fluctuation, influence the precision of touch detection, in the technical scheme that the embodiment of the present invention is provided, thoroughly
Prescribed electrode electrically connects with touch-control driving electrodes, transparency electrode have with touch-control driving electrodes identical current potential, and transparency electrode is
Plane-shape electrode, the first touch control electrode are metal grid electrode, and transparency electrode can be to the second touch-control as touch detection electrodes
Electrode plays shielding action, increases the precision of touch location detection, meanwhile, the first touch control electrode is metal grid electrode, and
And electrically connected with transparency electrode, the bending resistance characteristic of the first touch control electrode can be increased considerably.
It will be appreciated by those skilled in the art that invention scope involved in the application, however it is not limited to above-mentioned technical characteristic
The technical scheme that forms of particular combination, while should also cover in the case where not departing from inventive concept, by above-mentioned technical characteristic
Or other technical schemes that its equivalent feature is combined and formed.Such as features described above with it is disclosed herein (but
It is not limited to) there is the technical characteristic technical scheme being replaced mutually and formed of similar functions.
Claims (13)
- A kind of 1. flexible touch sensor, it is characterised in that including：The first touch control electrode and second touch control electrode that multiple insulation intersect, first touch control electrode and second touch-control electricity Pole extends with second direction in the first direction respectively；Transparent electrode layer, at least one transparency electrode is provided with the transparent electrode layer；Insulating barrier, the insulating barrier are formed between first touch control electrode and the transparent electrode layer, the insulating barrier shape Into there is multiple vias, a transparency electrode is electrically connected by the via with first touch control electrode；Wherein, the angle between the folding shaft of the first direction and the flexible touch sensor be more than the second direction with Angle between the folding shaft.
- 2. flexible touch sensor according to claim 1, it is characterised in that：First touch control electrode and the second touch control electrode are wire mesh electrode.
- 3. flexible touch sensor according to claim 1, it is characterised in thatThe transparency electrode is the strip shaped electric poles extended in a first direction.
- 4. flexible touch sensor according to claim 3, it is characterised in thatFirst touch control electrode includes multiple first electrode blocks and is connected between the two neighboring first electrode block First connecting bridge；The second touch control electrode includes multiple second electrode blocks and is connected between the two neighboring second electrode block Second connecting bridge；The first electrode block, the first connecting bridge and the second electrode block are formed in same metal level.
- 5. flexible touch sensor according to claim 4, it is characterised in thatSecond connecting bridge is located at the transparent electrode layer.
- 6. flexible touch sensor according to claim 5, it is characterised in that：Each transparency electrode includes multiple open regions；Each second connecting bridge is formed in the open region, and each second connecting bridge and the transparency electrode are mutually exhausted Edge.
- 7. flexible touch sensor according to claim 5, it is characterised in that：Each first electrode block of same first touch control electrode at least through a via with it is same described Prescribed electrode electrically connects.
- 8. flexible touch sensor according to claim 1, it is characterised in thatThe transparency electrode is corresponded with first touch control electrode and electrically connected.
- 9. flexible touch sensor according to claim 8, it is characterised in that：First touch control electrode is touch-control driving electrodes, and the second touch control electrode is touch-control sensing electrode；The transparency electrode and the second touch control electrode perpendicular to in-plane where the flexible touch sensor up to Small part overlaps.
- 10. a kind of flexible touch display device, it is characterised in that touched including the flexibility as described in claim 1-9 any one Touch sensor.
- 11. flexible touch display device according to claim 10, it is characterised in that：The flexible touch display device also includes organic light emitting functional layer and covers the film envelope of the organic luminescence function layer Fill layer.
- 12. flexible touch display device according to claim 11, it is characterised in that：The flexible touch sensor is formed in the upper surface of the thin-film encapsulation layer；Wherein, the upper surface of the thin-film encapsulation layer is the table of the remote organic luminescence function layer of the thin-film encapsulation layer Face.
- 13. flexible touch display device according to claim 11, it is characterised in that：The transparent electrode layer is arranged at the insulating barrier close to the side of the thin-film encapsulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590254.7A CN107450772B (en) | 2017-07-19 | 2017-07-19 | Flexible touch sensor and flexible touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590254.7A CN107450772B (en) | 2017-07-19 | 2017-07-19 | Flexible touch sensor and flexible touch display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107450772A true CN107450772A (en) | 2017-12-08 |
| CN107450772B CN107450772B (en) | 2020-08-25 |
Family
ID=60487294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590254.7A Active CN107450772B (en) | 2017-07-19 | 2017-07-19 | Flexible touch sensor and flexible touch display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107450772B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052239A (en) * | 2018-01-25 | 2018-05-18 | 武汉华星光电半导体显示技术有限公司 | Touch-screen |
| CN108287630A (en) * | 2018-01-03 | 2018-07-17 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof, display device |
| CN108334249A (en) * | 2018-01-18 | 2018-07-27 | 深圳市志凌伟业技术股份有限公司 | A kind of contact panel sensor and its electrode structure |
| CN108932078A (en) * | 2018-06-22 | 2018-12-04 | 京东方科技集团股份有限公司 | Touch panel and preparation method thereof, electronic device |
| CN108984035A (en) * | 2018-07-19 | 2018-12-11 | 京东方科技集团股份有限公司 | Flexible touch base plate and preparation method thereof, display device |
| WO2019114082A1 (en) * | 2017-12-15 | 2019-06-20 | 武汉华星光电半导体显示技术有限公司 | Flexible touch panel, touch display screen, and touch display apparatus |
| CN109933248A (en) * | 2019-02-28 | 2019-06-25 | 武汉华星光电半导体显示技术有限公司 | Flexible touch panel, display device and its bending method for detecting area |
| WO2019169882A1 (en) * | 2018-03-08 | 2019-09-12 | 京东方科技集团股份有限公司 | Touch substrate and preparation method therefor, and display device |
| WO2019184058A1 (en) * | 2018-03-29 | 2019-10-03 | 武汉华星光电半导体显示技术有限公司 | Touch structure, oled display touch panel and touch display device |
| CN110377180A (en) * | 2019-07-22 | 2019-10-25 | 京东方科技集团股份有限公司 | Touch control electrode, touch-control structure, touch-control display panel and touch control display apparatus |
| CN110597409A (en) * | 2019-08-12 | 2019-12-20 | 武汉华星光电半导体显示技术有限公司 | Touch structure, touch display panel and touch display device |
| CN110874160A (en) * | 2019-11-19 | 2020-03-10 | 合肥鑫晟光电科技有限公司 | Touch module and touch screen |
| WO2020113457A1 (en) * | 2018-12-05 | 2020-06-11 | Boe Technology Group Co., Ltd. | Stretchable display panel, stretchable display apparatus, and method of fabricating stretchable display panel |
| WO2020155410A1 (en) * | 2019-01-29 | 2020-08-06 | 武汉华星光电半导体显示技术有限公司 | Pressure touch-control display apparatus and pressure touch-control method |
| CN112099670A (en) * | 2020-09-11 | 2020-12-18 | 京东方科技集团股份有限公司 | Touch substrate, touch display panel and touch display device |
| CN112582381A (en) * | 2020-12-10 | 2021-03-30 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and preparation method thereof |
| CN112882592A (en) * | 2019-11-29 | 2021-06-01 | 宏碁股份有限公司 | Flexible touch panel electrode structure and control method thereof |
| WO2022032765A1 (en) * | 2020-08-11 | 2022-02-17 | 惠州市华星光电技术有限公司 | Touch display panel and manufacturing method therefor |
| CN115421618A (en) * | 2022-11-04 | 2022-12-02 | 惠科股份有限公司 | Touch film layer and touch display panel |
| WO2023193261A1 (en) * | 2022-04-08 | 2023-10-12 | 京东方科技集团股份有限公司 | Touch layer and touch display apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821839A (en) * | 2005-02-16 | 2006-08-23 | 三星电子株式会社 | Display apparatus and method of manufacturing the same |
| CN101546241A (en) * | 2008-03-28 | 2009-09-30 | 义隆电子股份有限公司 | Touch control panel device |
| US20100045618A1 (en) * | 2008-08-20 | 2010-02-25 | Hung-Ming Huang | Touch-controlled electronic apparatus with a bend forming touch panel |
| US9007320B2 (en) * | 2010-10-27 | 2015-04-14 | Kyocera Corporation | Electronic equipment and mobile terminal provided with same |
| CN205944094U (en) * | 2016-06-17 | 2017-02-08 | 上海天马微电子有限公司 | OLED display panel and display device |
| CN206058160U (en) * | 2016-08-11 | 2017-03-29 | 上海天马微电子有限公司 | Touch sensor, flexible touch-control display panel and flexible touch control display apparatus |
| CN106816460A (en) * | 2017-03-01 | 2017-06-09 | 上海天马微电子有限公司 | A kind of flexible touch-control display panel and flexible touch control display apparatus |
-
2017
- 2017-07-19 CN CN201710590254.7A patent/CN107450772B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821839A (en) * | 2005-02-16 | 2006-08-23 | 三星电子株式会社 | Display apparatus and method of manufacturing the same |
| CN101546241A (en) * | 2008-03-28 | 2009-09-30 | 义隆电子股份有限公司 | Touch control panel device |
| US20100045618A1 (en) * | 2008-08-20 | 2010-02-25 | Hung-Ming Huang | Touch-controlled electronic apparatus with a bend forming touch panel |
| US9007320B2 (en) * | 2010-10-27 | 2015-04-14 | Kyocera Corporation | Electronic equipment and mobile terminal provided with same |
| CN205944094U (en) * | 2016-06-17 | 2017-02-08 | 上海天马微电子有限公司 | OLED display panel and display device |
| CN206058160U (en) * | 2016-08-11 | 2017-03-29 | 上海天马微电子有限公司 | Touch sensor, flexible touch-control display panel and flexible touch control display apparatus |
| CN106816460A (en) * | 2017-03-01 | 2017-06-09 | 上海天马微电子有限公司 | A kind of flexible touch-control display panel and flexible touch control display apparatus |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114082A1 (en) * | 2017-12-15 | 2019-06-20 | 武汉华星光电半导体显示技术有限公司 | Flexible touch panel, touch display screen, and touch display apparatus |
| CN108287630A (en) * | 2018-01-03 | 2018-07-17 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof, display device |
| CN108287630B (en) * | 2018-01-03 | 2021-03-02 | 京东方科技集团股份有限公司 | Touch substrate, preparation method thereof and display device |
| CN108334249A (en) * | 2018-01-18 | 2018-07-27 | 深圳市志凌伟业技术股份有限公司 | A kind of contact panel sensor and its electrode structure |
| CN108052239A (en) * | 2018-01-25 | 2018-05-18 | 武汉华星光电半导体显示技术有限公司 | Touch-screen |
| US10782839B2 (en) | 2018-03-08 | 2020-09-22 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch substrate, method for manufacturing the same, and display apparatus |
| WO2019169882A1 (en) * | 2018-03-08 | 2019-09-12 | 京东方科技集团股份有限公司 | Touch substrate and preparation method therefor, and display device |
| US10892305B2 (en) | 2018-03-29 | 2021-01-12 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch structure, organic light emitting diode (OLED) display touch panel and touch display device |
| WO2019184058A1 (en) * | 2018-03-29 | 2019-10-03 | 武汉华星光电半导体显示技术有限公司 | Touch structure, oled display touch panel and touch display device |
| US11531436B2 (en) | 2018-06-22 | 2022-12-20 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch panel and method of manufacturing the same, electronic device |
| WO2019242301A1 (en) * | 2018-06-22 | 2019-12-26 | 京东方科技集团股份有限公司 | Touch panel, fabrication method therefor and electronic device |
| CN108932078A (en) * | 2018-06-22 | 2018-12-04 | 京东方科技集团股份有限公司 | Touch panel and preparation method thereof, electronic device |
| CN108984035A (en) * | 2018-07-19 | 2018-12-11 | 京东方科技集团股份有限公司 | Flexible touch base plate and preparation method thereof, display device |
| CN111566834B (en) * | 2018-12-05 | 2023-11-07 | 京东方科技集团股份有限公司 | Stretchable display panel, stretchable display device, and method of manufacturing stretchable display panel |
| WO2020113457A1 (en) * | 2018-12-05 | 2020-06-11 | Boe Technology Group Co., Ltd. | Stretchable display panel, stretchable display apparatus, and method of fabricating stretchable display panel |
| CN111566834A (en) * | 2018-12-05 | 2020-08-21 | 京东方科技集团股份有限公司 | Stretchable display panel, stretchable display apparatus, and method of manufacturing stretchable display panel |
| US11127809B2 (en) | 2018-12-05 | 2021-09-21 | Boe Technology Group Co., Ltd. | Stretchable display panel, stretchable display apparatus, and method of fabricating stretchable display panel |
| WO2020155410A1 (en) * | 2019-01-29 | 2020-08-06 | 武汉华星光电半导体显示技术有限公司 | Pressure touch-control display apparatus and pressure touch-control method |
| CN109933248A (en) * | 2019-02-28 | 2019-06-25 | 武汉华星光电半导体显示技术有限公司 | Flexible touch panel, display device and its bending method for detecting area |
| CN110377180A (en) * | 2019-07-22 | 2019-10-25 | 京东方科技集团股份有限公司 | Touch control electrode, touch-control structure, touch-control display panel and touch control display apparatus |
| US11526225B2 (en) | 2019-07-22 | 2022-12-13 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch structure, touch display panel and touch display apparatus |
| CN110377180B (en) * | 2019-07-22 | 2021-11-12 | 京东方科技集团股份有限公司 | Touch electrode, touch structure, touch display panel and touch display device |
| CN110597409A (en) * | 2019-08-12 | 2019-12-20 | 武汉华星光电半导体显示技术有限公司 | Touch structure, touch display panel and touch display device |
| CN110874160B (en) * | 2019-11-19 | 2023-11-28 | 合肥鑫晟光电科技有限公司 | Touch module and touch screen |
| CN110874160A (en) * | 2019-11-19 | 2020-03-10 | 合肥鑫晟光电科技有限公司 | Touch module and touch screen |
| CN112882592A (en) * | 2019-11-29 | 2021-06-01 | 宏碁股份有限公司 | Flexible touch panel electrode structure and control method thereof |
| WO2022032765A1 (en) * | 2020-08-11 | 2022-02-17 | 惠州市华星光电技术有限公司 | Touch display panel and manufacturing method therefor |
| US11747937B2 (en) | 2020-08-11 | 2023-09-05 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Touch display panel and manufacturing method thereof |
| CN112099670A (en) * | 2020-09-11 | 2020-12-18 | 京东方科技集团股份有限公司 | Touch substrate, touch display panel and touch display device |
| CN112099670B (en) * | 2020-09-11 | 2024-01-23 | 京东方科技集团股份有限公司 | Touch substrate, touch display panel and touch display device |
| CN112582381B (en) * | 2020-12-10 | 2023-09-26 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and preparation method thereof |
| CN112582381A (en) * | 2020-12-10 | 2021-03-30 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and preparation method thereof |
| WO2023193261A1 (en) * | 2022-04-08 | 2023-10-12 | 京东方科技集团股份有限公司 | Touch layer and touch display apparatus |
| CN115421618A (en) * | 2022-11-04 | 2022-12-02 | 惠科股份有限公司 | Touch film layer and touch display panel |
| CN115421618B (en) * | 2022-11-04 | 2023-03-10 | 惠科股份有限公司 | Touch film layer and touch display panel |
| US11847291B1 (en) | 2022-11-04 | 2023-12-19 | HKC Corporation Limited | Touch film layer and touch display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107450772B (en) | 2020-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107450772A (en) | Flexible touch sensor and flexible touch display device | |
| CN205944094U (en) | OLED display panel and display device | |
| CN206774549U (en) | Touch-control display panel and touch control display apparatus | |
| CN106873835B (en) | Touch panel, manufacturing method thereof and touch display screen | |
| CN104679369B (en) | Flexible display apparatus including touch sensor | |
| CN104409467B (en) | A kind of contact panel and preparation method thereof and display device | |
| CN109857272A (en) | Display device | |
| CN102314254B (en) | Touch panel | |
| CN107122077A (en) | A kind of touch control display apparatus | |
| CN106449712B (en) | A kind of organic light emitting display panel and organic light-emitting display device | |
| CN110321027A (en) | Display touch sensor with protection | |
| CN205900544U (en) | Flexible OLED display panel , flexible OLED display device | |
| WO2020029372A1 (en) | Touch screen and oled display panel | |
| CN106816460A (en) | A kind of flexible touch-control display panel and flexible touch control display apparatus | |
| CN109725780A (en) | Touch screen panel and touch display unit including the touch screen panel | |
| CN105810717A (en) | Flexile OLED display panel and flexible OLED display apparatus | |
| CN107357467A (en) | A kind of display panel and display device | |
| CN110391277A (en) | Organic light-emitting display device with touch sensor | |
| CN106293258A (en) | A kind of organic electroluminescence display panel | |
| CN214586834U (en) | Display substrate and display device | |
| CN107203296A (en) | A kind of display panel and its manufacture method, display device | |
| CN105373282A (en) | Display panel and display apparatus | |
| WO2020118845A1 (en) | Touch display panel and manufacturing method therefor, and touch display device | |
| CN205507727U (en) | Touch sensor , Touch display panel and touch display device | |
| CN106024840A (en) | Flexible OLED display panel, manufacturing method thereof and flexible OLED display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |