CN107329624A - Flexible touch display panel and display device - Google Patents
Flexible touch display panel and display device Download PDFInfo
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- CN107329624A CN107329624A CN201710556792.4A CN201710556792A CN107329624A CN 107329624 A CN107329624 A CN 107329624A CN 201710556792 A CN201710556792 A CN 201710556792A CN 107329624 A CN107329624 A CN 107329624A
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- control electrode
- touch control
- display panel
- flexible
- touch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
Abstract
This application discloses a kind of flexible touch display panel and display device, flexible touch display panel includes：First touch control electrode group, including multiple the first touch control electrodes for extending in a first direction, arranging in a second direction；Second touch control electrode group, including multiple second touch control electrodes for extending in a second direction, arranging in the first direction；Flexible touch display panel includes bent area and non-bent area；In bent area, second touch control electrode has the first minimum widith l in the first direction1, in non-bent area, second touch control electrode has the second minimum widith l in the first direction2, and meet：l1>l2；The bending axle of flexible touch display panel and the angle of first direction are less than bending axle and the angle of second direction.According to the scheme of the application, second touch control electrode can be reduced due to fracture caused by bending and the possibility fractureed, 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 display panel and display 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.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 luminous layer,
Cathode layer and encapsulated layer, when flexible OLED display panel is touch-control display panel, can also include 1-2 touch control electrode
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 be folded.It is flexible
The part that display panel is in bent area can be folded along some direction.During folding, width is less on folding direction
Electrode is easily broken, so as to cause loose contact even open circuit.If the electrode of fracture is touch control electrode, the electricity will be caused
Pole touch control detection is bad or even touch-control fails.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, expect to provide a kind of pressure detecting 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 display panel, including：First touch control electrode group,
Including multiple the first touch control electrodes for extending in a first direction, arranging in a second direction；Second touch control electrode group, including multiple edges
Second direction extension, the second touch control electrode arranged in the first direction；Flexible touch display panel includes bent area and non-bending
Area；In bent area, second touch control electrode has the first minimum widith l in the first direction1, in non-bent area, the second touch-control electricity
Has the second minimum widith l in the first direction2, and meet：l1>l2；The bending axle and first party of flexible touch display panel
To angle be less than bending axle and second direction angle.
Second aspect, present invention also provides a kind of flexible touch display device, including above-mentioned flexible touch display surface
Plate.
According to the scheme of the application, because the angle of bending axle and first direction is less than bending axle and the folder of second direction
Angle, passes through the first minimum widith l by the second touch control electrode in bent area in the first direction1Set larger, can avoid
Second touch control electrode in bent area is in bending, by the stress of Relatively centralized in a certain smaller area, so as to subtract
Small second touch control electrode is due to fracture caused by bending and the possibility fractureed, so as to reduce the risk of touch control detection failure.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Figure 1A is the schematic diagram of one embodiment of the flexible touch display panel of the application；
Figure 1B be Figure 1A in second touch control electrode group schematic diagram；
Fig. 2A is the schematic diagram of another embodiment of the flexible touch display panel of the application；
Fig. 2 B be Fig. 2A in the first touch control electrode schematic diagram；
Fig. 2 C be Fig. 2A in second touch control electrode schematic diagram；
Fig. 2 D are the schematic cross sectional views along the A-A ' in Fig. 2A；
Fig. 3 A are the schematic diagram of another embodiment of the flexible touch display panel of the application；
Fig. 3 B are the schematic cross sectional views along an optional implementation of the B-B ' in Fig. 3 A；
Fig. 3 C are the schematic cross sectional views along another optional implementation of the B-B ' in Fig. 3 A；
Fig. 4 A are the schematic diagram of the further embodiment of the flexible touch display panel of the application；
Fig. 4 B be Fig. 4 A in, the schematic diagram of second touch control electrode；
During Fig. 4 C are the embodiment shown in Fig. 4 A, positioned at the first touch control electrode of bent area and one of second touch control electrode
The schematic diagram of optional implementation；
Fig. 4 D are Fig. 4 C close-up schematic view；
Fig. 5 is the schematic cross sectional views when flexible touch display panel of the application is organic electroluminescence display panel；
Fig. 6 is the schematic diagram of one embodiment of the flexible touch display device of the application.
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, in order to
It is easy to illustrate only the part related to invention in description, 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.
Referring to the schematic diagram of the one embodiment for the flexible touch display panel for shown in Figure 1A, being the application.
The flexible touch display panel of the present embodiment includes the first touch control electrode group and second touch control electrode group.Wherein,
One touch control electrode group includes the first touch control electrode 110 that multiple D1 in the first direction extend, D2 arranges in a second direction.Second touches
Controlling electrode group includes the second touch control electrode 120 that multiple D2 in a second direction extend D1 arrangements in the first direction.
In addition, as shown in Figure 1A, the flexible touch display panel of the present embodiment also includes bent area F1 and non-bent area.It is soft
Part of the property touch display panel in the F1 of bent area can be folded, and flexible touch display panel non-bent area part then
It cannot deform upon.
With further reference in shown in Figure 1B, being flexible touch display panel shown in Figure 1A, second touch control electrode group is shown
Meaning property structure chart.
As can be seen that in bent area, second touch control electrode 120 has the first minimum width of D1 in the first direction from Figure 1B
Spend l1, in non-bent area, second touch control electrode 120 has the second minimum widith l of D1 in the first direction2, and meet l1>l2。
The bending axle of flexible touch display panel is less than the folder of bending axle and second direction D2 with first direction D1 angle
Angle.
Assuming that bent area is the rectangle region that two dotted lines shown in Figure 1B are crossed to form with flexible touch display panel profile
Domain, then, in the bent area, angle theta the ∈ [- θ of bending axle and horizontal direction1,θ1].Herein ,-θ1And θ1Respectively rectangle
Two diagonal and the angle of horizontal direction in region.
The flexible touch display panel of the present embodiment, by set second touch control electrode 120 in the F1 of bent area along first
Direction D1 minimum widith is more than the minimum widith of the D1 in the first direction of second touch control electrode 120 in non-bent area so that place
In bent area F1 second touch control electrode 120 no matter along where to being bent, be not likely to produce crackle, and then reduce second and touch
The fracture in bending of control electrode 120 causes the risk that touch-control fails.
It should be noted that in the present embodiment, the first touch control electrode 110 can be touch-control driving electrodes and touch-control sensing electricity
One of pole, and second touch control electrode 120 can be the other of touch-control driving electrodes and touch-control sensing electrode.By to
Touch-control driving electrodes apply touch-control drive signal, and receive the touch-control sensing signal of touch-control sensing electrode collection, it may be determined that go out
Touch location.
It will be understood by those skilled in the art that the flexible touch display panel of the present embodiment also includes other known knots
Structure, for example, pel array, and each pixel into pel array provides thin film transistor (TFT) for showing signal etc..For not mould
The emphasis of the application is pasted, no longer these known structures will be described in detail.
Referring to the schematic diagram of another embodiment of the flexible touch display panel for described in Fig. 2A, being the application.
Similar with the embodiment shown in Figure 1A, the flexible touch display panel of the present embodiment equally includes the first touch control electrode
Group and second touch control electrode group.Wherein, the first touch control electrode group includes multiple D1 in the first direction extensions, in a second direction D2 rows
First touch control electrode 210 of cloth.Second touch control electrode group includes multiple D2 in a second direction and extends D1 arrangements in the first direction
Second touch control electrode 220.The flexible touch display panel of the present embodiment equally includes bent area F1 and non-bent area.Flexible touch
Part of the display panel in the F1 of bent area can be folded, and flexible touch display panel then cannot in the part of non-bent area
Deform upon.In addition, in the flexible touch display panel of the present embodiment, in bent area, second touch control electrode 220 has along first
Direction D1 the first minimum widith l1, in non-bent area, second touch control electrode 220 has the second minimum width of D1 in the first direction
Spend l2, and equally meet l1>l2。
From unlike the embodiment shown in Figure 1A, the present embodiment is to the first touch control electrode and the structure of second touch control electrode
Further restriction is carried out.
Specifically, referring to shown in Fig. 2 B, be the present embodiment flexible touch display panel in, the first touch control electrode 210
Schematic diagram.As shown in Figure 2 B, the first touch control electrode 210 includes the first touch control electrode that multiple D1 in the first direction arrange
Block 211 and the first connection electrode 212 for connecting two neighboring first touch control electrode block 211.
Similarly, referring to shown in Fig. 2 C, be the present embodiment flexible touch display panel in, second touch control electrode 220
Schematic diagram.As shown in Figure 2 C, second touch control electrode 220 includes the second touch control electrode that multiple D2 in a second direction arrange
Block 221 and the second connection electrode 222 for connecting two neighboring second touch control electrode block 221.
In addition, with further reference to shown in Fig. 2 D, it is the sectional view of the A-A ' along along Fig. 2A.In the present embodiment, such as Fig. 2 D institutes
Show, the first touch control electrode block 211, the connection electrode 222 of second touch control electrode block 221 and second are formed in the first conductor layer.First
Connection electrode 212 is formed in the second conductor layer.Insulating materials 230 is provided between first conductor layer and the second conductor layer.
The flexible touch display panel of the present embodiment, by by by setting second touch control electrode 220 in the F1 of bent area
D1 minimum widith is more than the minimum widith of the D1 in the first direction of second touch control electrode 220 in non-bent area in the first direction,
So that no matter the second touch control electrode 220 in bent area F1 is not likely to produce crackle, and then reduce along where to being bent
The fracture in bending of second touch control electrode 220 causes the risk that touch-control fails.
In addition, the flexible touch display panel of the present embodiment, by the way that the first touch control electrode block 211, the second touch-control is electric
The connection electrode 222 of pole block 221 and second is arranged on same conductor layer, can correspondingly reduce the first touch control electrode block 211
Spacing between second touch control electrode block 221 adjacent thereto so that the semaphore of the two inductance capacitance formed is bigger, has
Beneficial to the precision for improving touch detection.
Referring to the schematic diagram of another embodiment of the flexible touch display panel for shown in Fig. 3 A, being the application.
Similar with the embodiment shown in Fig. 2A, the flexible touch display panel of the present embodiment equally includes the first touch control electrode
Group and second touch control electrode group.Wherein, the first touch control electrode group includes multiple D1 in the first direction extensions, in a second direction D2 rows
First touch control electrode 210 of cloth.Second touch control electrode group includes multiple D2 in a second direction and extends D1 arrangements in the first direction
Second touch control electrode 220.The flexible touch display panel of the present embodiment equally includes bent area F1 and non-bent area.Flexible touch
Part of the display panel in the F1 of bent area can be folded, and flexible touch display panel then cannot in the part of non-bent area
Deform upon.In addition, in the flexible touch display panel of the present embodiment, in bent area, second touch control electrode 220 has along first
Direction D1 the first minimum widith l1, in non-bent area, second touch control electrode 220 has the second minimum width of D1 in the first direction
Spend l2, and equally meet l1>l2。
In addition, in the flexible touch display panel of the present embodiment, the first touch control electrode and second touch control electrode also have with
The similar structure of embodiment shown in Fig. 2A.Specifically, the first touch control electrode 210 include that multiple D1 in the first direction arrange the
One touch control electrode block and the first connection electrode for connecting two neighboring first touch control electrode block.Second touch control electrode 220
Including multiple D2 in a second direction second touch control electrode blocks arranged and for connecting two neighboring second touch control electrode block
Second connection electrode.First touch control electrode block, second touch control electrode block and the formation of the second connection electrode are in the first conductor layer.First
Connection electrode formation is in the second conductor layer.Insulating materials is provided between first conductor layer and the second conductor layer.
Referring to shown in Fig. 3 B, being the sectional view of the B-B ' along along Fig. 3 A.
As shown in Figure 3 B, the present embodiment from unlike the embodiment shown in Fig. 2A, be arranged in the F1 of bent area second
Multiple first quarter seams 323 are formed with touch control electrode 320, and insulating materials is filled with the first quarter seam 323.
In some optional implementations of the present embodiment, the first conductor layer is located at than the second conductor layer closer to substrate
Side, in these optional implementations, the insulating materials of filling can be the first conductor layer and the in the first quarter seam 323
Insulating materials between two conductor layers.Make when, for example, can first make the first touch control electrode block in the first conductor layer,
Second touch control electrode block and the second connection electrode, then, the covering insulating material in the first conductor layer.So, insulation material
Material can be filled into the first quarter seam 323.
By setting multiple first quarter seams 323 on the second touch control electrode block positioned at bent area, it can further enhance
The bending resistance of second touch control electrode block in bent area.Specifically, if during bending, occurring on second touch control electrode block
Crackle, due to the presence of the first quarter seam and insulating materials, can prevent crackle from further being spread on second touch control electrode block,
And then avoiding the fracture of second touch control electrode block causes touch-control to fail.
In some optional implementations of the present embodiment, as shown in Figure 3 A and Figure 3 B, the first of bent area is arranged at
Multiple second quarter seams 313 are could be formed with touch control electrode block 311.Second quarter, which was stitched in 313, can equally be filled with insulating materials.
So, the bending resistance of the first touch control electrode 310 in bent area equally can further be strengthened.
It should be noted that in the present embodiment, stitch and stitched at the second quarter the structure that can have as shown in Figure 3 B the first quarter,
That is, the first quarter seam 323 and second quarter seam 313 be groove, the first quarter seam 323 at, second touch control electrode is correspondingly hollowed out, and
At the second quarter seam, the first touch control electrode is also correspondingly hollowed out.Or, formed bent area the first touch control electrode, second
The second quarter in touch control electrode and stitched and can have structure as shown in Figure 3 C seam at the first quarter, that is, the first quarter seam 323 ' and the
It is non-groove to stitch 313 ' two quarters, and 323 ' places are stitched at the first quarter, and second touch control electrode is not hollowed out correspondingly, and in the second quarter seam
Place, the first touch control electrode is not hollowed out correspondingly yet, simply stitches 323 ' places at the first quarter, and the thickness of second touch control electrode is smaller,
And 313 ' places are stitched at the second quarter, the thickness of the first touch control electrode is smaller.
In addition, in some optional implementations, the first quarter seam and the of the flexible touch display panel of the present embodiment
The insulating materials filled in stitching at two quarters can be organic material.Compared with inorganic material, the bending resistance of organic material more preferably, because
And, when the insulating materials filled in stitching and stitching at the first quarter at the second quarter is organic material, it can further increase by the first touch-control
The bending resistance of electrode and second touch control electrode.Herein, organic material can include but is not limited to polymethyl methacrylate
(PMMA), derivative containing phenol polymer, acrylic polymer, acid imide polymer, fragrant ether polymer, acid amides Type of Collective
Thing, fluorinated polymer, p- xylenes polymer, vinyl alcohol polymer and/or its mixture etc..Similarly, cover
The insulating materials of first conductor layer can also be organic material.Due to for embodying the tensile strength of degree resistant to bending and the bullet of material
Property modulus and the product of material thickness are directly proportional, and by suitably increasing the thickness of insulating materials, can correspondingly increase insulation
The degree resistant to bending of material, and then can also be the first electrode block formed in the first conductor layer, second electrode block and the second connection
Electrode plays more preferably protective effect.Herein, the thickness of the insulating materials of the first conductor layer of covering can for example be more than 1 μm.
In addition, in some optional implementations of the present embodiment, in the F1 of bent area, each first quarter seam 323,323 '
It can be formed in place of the second touch control electrode in the first direction minimum widith of D1 extensions.Due in place of width is minimum, second
Touch control electrode causes the greatest risk of fracture because of bending, therefore, sets for the first quarter stitched 323,323 ' here, can be more notable
Ground lifts the bending resistance of second touch control electrode.
Referring to the schematic diagram of the further embodiment for the flexible touch display panel for shown in Fig. 4 A, being the application.
Similar with the embodiment shown in Fig. 2A, the flexible touch display panel of the present embodiment equally includes the first touch control electrode
Group and second touch control electrode group.Wherein, the first touch control electrode group includes multiple D1 in the first direction extensions, in a second direction D2 rows
First touch control electrode 410 of cloth.Second touch control electrode group includes multiple D2 in a second direction and extends D1 arrangements in the first direction
Second touch control electrode 420.The flexible touch display panel of the present embodiment equally includes bent area F1 and non-bent area.Flexible touch
Part of the display panel in the F1 of bent area can be folded, and flexible touch display panel then cannot in the part of non-bent area
Deform upon.In addition, in the flexible touch display panel of the present embodiment, in bent area, second touch control electrode 420 has along first
Direction D1 the first minimum widith l1, in non-bent area, second touch control electrode 420 has the second minimum width of D1 in the first direction
Spend l2, and equally meet l1>l2.In addition, the first touch control electrode 410 is equally touched including multiple D1 in the first direction arrange first
Control electrode block and the first connection electrode for connecting two neighboring first touch control electrode block.Second touch control electrode 420 is same
Including multiple D2 in a second direction second touch control electrode blocks arranged and for connecting two neighboring second touch control electrode block
Second connection electrode.First touch control electrode block, second touch control electrode block and the formation of the second connection electrode are in the first conductor layer.First
Connection electrode formation is in the second conductor layer.
From unlike the embodiment shown in Fig. 2A, the present embodiment is further carried out to the shape of second touch control electrode 420
Further restriction.
Specifically, in the present embodiment, form the second touch control electrode block in bent area and be shaped as by least two shapes
Part overlaps the shape formed to the second touch control electrode block of Cheng Fei bent areas in a second direction.It is this reality referring to shown in Fig. 4 B
Apply the schematic diagram of the second touch control electrode 420 of example.In the F1 of bent area, second touch control electrode 420 is shaped as by three
Form the overlapping shape formed in D2 parts in a second direction of second touch control electrode block 421 in non-bent area.
It can be seen in fig. 4b being formed by least two in the second touch control electrode block part in a second direction of non-bent area
Overlapping shape correspondingly can reduce in bent area as the shape of second touch control electrode block in bent area, the second touch-control electricity
The angle of pole contour edge and first direction D1.So as to reduce in bent area between second touch control electrode contour edge and bending axle
Angle.So, when being bent in bent area, the second touch control electrode in bent area bent caused by deformation it is smaller, phase
The stress for answering ground to be subject to is also smaller, is fractureed when reduce further bending by second touch control electrode caused by stress.
It will be understood by those skilled in the art that second in bent area can be determined according to the demand of practical application scene
The specific second touch control electrode block by several non-bent areas of the shape of touch control electrode is partly overlapping in a second direction to be formed.For example,
When bent area has larger width in a second direction, can set second touch control electrode in bent area be shaped as by compared with
Part overlaps the shape formed to the second touch control electrode block of many non-bent areas in a second direction.On the other hand, when bent area exists
When there is lesser width in second direction, being shaped as by less non-bending for second touch control electrode in bent area can be set
Part overlaps the shape formed to the second touch control electrode block in area in a second direction.
In addition, in some optional implementations of the present embodiment, in order that the first touch control electrode 410 and the second touch-control
Electrode 420 is more closely mutually embedded in a first direction, so that the first touch control electrode 410 and second touch control electrode 420
Between spacing is smaller, touch-control sensing semaphore is larger, in the F1 of bent area, as shown in Figure 4 A, each first touch control electrode block 411a
Area be less than and form area in each first touch control electrode block of non-bent area.
In some optional implementations of the present embodiment, formed and touched in the first touch control electrode block of bent area and second
Control electrode block has broken line and/or curved edge.
Referring to shown in Fig. 4 C, for example, when formation is in the first touch control electrode block 411 and second touch control electrode block of bent area
412 when having broken line edge, and the angle for constituting each article of line segment and the first direction D1 of broken line is less than and formed the of non-bent area
The edge and the angle of first direction of one touch control electrode block and second touch control electrode block.
Specifically, can be with further reference to shown in Fig. 4 D, it puts for the part in Fig. 4 C shown in reference 450 in region
Big schematic diagram.
As shown in Figure 4 D, in bent area, each bar line segment and first party of the broken line profile of the first touch control electrode block 411 are constituted
It is θ to D1 angle1, the angle of each bar line segment and first direction D1 of the broken line profile of composition second touch control electrode block 421 is θ2,
Due to θ1、θ2Respectively less than form the first touch control electrode block and the edge and first direction of second touch control electrode block in non-bent area
Angle.So, when being bent, in bent area the profile of the first touch control electrode block and second touch control electrode block with it is curved
The angle rolled between axle is also correspondingly smaller, so as to reduce the shape of the first touch control electrode block and second touch control electrode block during bending
Become, further improve the bending resistance of the first touch control electrode block and second touch control electrode block.
Alternatively, the flexible touch display panel of each embodiment of the application can be organic electroluminescence display panel.
It is shown in Figure 5, for when the flexible touch display panel of each embodiment of the application is organic electroluminescence display panel
Schematic cross sectional views.
As shown in figure 5, organic electroluminescence display panel can include flexible base board 510, form on flexible substrates organic
Light emitting functional layer 520 and the thin-film encapsulation layer 530 formed on organic luminescence function layer.Organic luminescence function layer can enter one
Step includes anode 521, negative electrode 522 and the luminescent material 523 formed between anode 521 and negative electrode 522.
When the flexible touch display panel of each embodiment of the application is organic electroluminescence display panel, the first touch control electrode group
It can be formed in upper surface of the thin-film encapsulation layer 530 away from flexible base board 510 with second touch control electrode group.For example, the first touch-control
Electrode block 541, second touch control electrode block and the second connection electrode 542 can form the upper surface in thin-film encapsulation layer 530,
Covering insulating material 550 on one touch control electrode block 541, second touch control electrode block and the second connection electrode 542, then in insulation material
The first connection electrode 561 is made on material 550.
Touch controllable function layer is integrated in oled panel thin-film package layer surface by the above embodiments of the present application, on the one hand can be saved
The attaching of contact panel thicker in the prior art is gone, touch controllable function layer is prepared into the highly integrated making work in display panel
Skill, preparation technology is simple, reduces cost, simultaneously because the structure can realize that only with a driving IC be touch controllable function layer
Driving is provided simultaneously with display function layer, the number of driving chip is reduced, thus is conducive to further reducing cost.Separately
On the one hand, the embodiment of the present application attaches the thicker contact panel of thickness due to avoiding, and is conducive to flexible touch-control display panel
It is lightening, so that panel has more preferable pliability, beneficial to the Consumer's Experience of lifting display panel, and it is display device
Flexibility design is provided a great convenience.
Shown it should be noted that the flexible touch display panel of the above embodiments of the present application can be flexible OLED touch-controls
Panel, but those skilled in that art are it should be understood that the touch-control display panel of the embodiment of the present application is applied equally to other
Any possible Display Technique form, such as micro- diode displaying (micro LED), quantum dot shows (Quantum Dot
Light Emitting Diodes, QLED), Electronic Paper etc. specifically can be selected and set according to demand.
It is shown in Figure 6, it is the schematic diagram of one embodiment of the flexible touch display device of the application.
Display device 600 may include the flexible touch display panel of as above any one embodiment description.Art technology
Personnel should be appreciated that the flexible touch display device of the present embodiment in addition to including flexible touch display panel as above, also
Some other known structures can be included, for example, showing the integrated electricity of signal for being provided to flexible touch display device
Road chip etc..In order to not obscure the emphasis of the application, no longer these known structures will be described further.
The flexible touch display device of the application can be any device for including flexible touch display panel as above, bag
Cellular mobile phone, tablet personal computer, computer, the intelligence wearing for including but being not limited to flexible rollable or foldable grade are set
It is standby, applied to display device on the vehicles such as automobile etc..As long as flexible touch display device contains disclosure
Flexible touch display panel structure, be just contemplated as falling within the protection domain of the application.
The flexible touch display panel and display device of the application, by by the second touch control electrode of bent area along first party
To the first minimum widith l1Set larger, can reduce second touch control electrode can due to what is be broken and fracture caused by bending
Energy property, so as to reduce the risk of touch control detection failure.
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
Particular combination technical scheme, while should also cover in the case where not departing from inventive concept, by above-mentioned technical characteristic
Or its equivalent feature be combined formed by other technical schemes.Such as features described above with it is disclosed herein (but
Be not limited to) have similar functions technical characteristic carry out mutually replace formed by technical scheme.
Claims (12)
1. a kind of flexible touch display panel, it is characterised in that including：
First touch control electrode group, including multiple the first touch control electrodes for extending in a first direction, arranging in a second direction；
Second touch control electrode group, including multiple second touch control electrodes for extending in a second direction, arranging in the first direction；
The flexible touch display panel includes bent area and non-bent area；
In the bent area, the second touch control electrode has the first minimum widith l along the first direction1, described non-curved
Folding area, the second touch control electrode has the second minimum widith l along the first direction2, and meet：
l1>l2；
The bending axle of the flexible touch display panel is less than the bending axle and described second with the angle of the first direction
The angle in direction.
2. flexible touch display panel according to claim 1, it is characterised in that：
First touch control electrode includes multiple the first touch control electrode blocks arranged along the first direction and for connecting phase
First connection electrode of adjacent two the first touch control electrode blocks；
The second touch control electrode includes multiple second touch control electrode blocks arranged along the second direction and for connecting phase
Second connection electrode of adjacent two second touch control electrode blocks；
The first touch control electrode block, the second touch control electrode block and second connection electrode formation are in the first conductor layer；
The first connection electrode formation is in the second conductor layer；
Insulating materials is provided between first conductor layer and second conductor layer.
3. flexible touch display panel according to claim 2, it is characterised in that：
Multiple first quarter seams are formed with the second touch control electrode for being arranged at the bent area；
The insulating materials is filled with the first quarter seam, the insulating materials is organic material.
4. flexible touch display panel according to claim 3, it is characterised in that：
It is arranged on the first touch control electrode block of the bent area and is formed with multiple second quarter seams；
The insulating materials is filled with the second quarter seam.
5. flexible touch display panel according to claim 3, it is characterised in that：
In the bent area, each first quarter slit extends most into the second touch control electrode along the first direction
In place of small width.
6. the flexible touch display panel according to claim 2-5 any one, it is characterised in that：
Formed the bent area second touch control electrode block be shaped as formed by least two the of the non-bent area
Two touch control electrode blocks overlap the shape formed along the second direction part.
7. flexible touch display panel according to claim 6, it is characterised in that：
The area formed in each first touch control electrode block of the bent area is less than each institute formed in the non-bent area
State the area of the first touch control electrode block.
8. the flexible touch display panel according to claim 2-5 any one, it is characterised in that：
Forming the first touch control electrode block and the second touch control electrode block in the bent area has broken line and/or curve
Edge.
9. flexible touch display panel according to claim 8, it is characterised in that：
Forming the first touch control electrode block and the second touch control electrode block in the bent area has broken line edge；
The angle for constituting each article of line segment of the broken line and the first direction is less than and formed described the of the non-bent area
The edge of one touch control electrode block and the second touch control electrode block and the angle of the first direction.
10. flexible touch display panel according to claim 1, it is characterised in that：
The flexible touch display panel is organic electroluminescence display panel；
The organic electroluminescence display panel includes flexible base board, forms organic luminescence function layer on flexible substrates and formed
Thin-film encapsulation layer on organic luminescence function layer.
11. flexible touch display panel according to claim 10, it is characterised in that：
The first touch control electrode group and second touch control electrode group formation are in the thin-film encapsulation layer away from the flexible base
The upper surface of plate.
12. a kind of flexible touch display device, it is characterised in that touched including the flexibility as described in claim 1-11 any one
Touch display panel.
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| CN108958539A (en) * | 2018-06-28 | 2018-12-07 | 武汉天马微电子有限公司 | A kind of touch-control display panel and touch control display apparatus |
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| CN112241224A (en) * | 2019-07-19 | 2021-01-19 | 陕西坤同半导体科技有限公司 | Touch display substrate, flexible display screen and electronic device |
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