CN105845708B - Flexible integration touch-control display panel and preparation method thereof - Google Patents
Flexible integration touch-control display panel and preparation method thereof Download PDFInfo
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- CN105845708B CN105845708B CN201610247590.7A CN201610247590A CN105845708B CN 105845708 B CN105845708 B CN 105845708B CN 201610247590 A CN201610247590 A CN 201610247590A CN 105845708 B CN105845708 B CN 105845708B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Abstract
This application discloses a kind of flexible integration touch-control display panels and preparation method thereof.The flexible integration touch-control display panel includes flexible base board；Multiple thin film transistor (TFT)s of non-display area on flexible substrates are set；LED device layer on thin film transistor (TFT) is set；Barrier layer on LED device layer is set, multiple via holes are also formed on barrier layer；Touch control electrode array over the barrier layer is set, and touch control electrode array includes multiple touch control electrodes；Wherein, each touch control electrode is electrically connected by each via hole with each thin film transistor (TFT).According to the scheme of the application, the quantity for the flexible circuit board connecting with IC chip can be reduced, improves the yield of flexible integration touch-control display panel.
Description
Technical field
The present disclosure relates generally to display technologies more particularly to flexible integration touch-control display panel and preparation method thereof.
Background technique
In existing flexible integration touch-control display panel, flexible display panels and touch control film are usually made respectively.
As shown in Figure 1, being the schematic diagram of existing flexible integration touch-control display panel.In Fig. 1, touch control film 110
IC chip 150 is connected to by the first flexible circuit board 130.Similarly, flexible display panels 120 are flexible by second
Circuit board 140 is connected to IC chip 150.So, touch control film 110 can by the first flexible circuit board 130 to
IC chip 150 sends touch-control sensing signal, and receives the touch scanning signals of the transmission of IC chip 150.It is flexible
Display panel 120 can receive the scanning drive signal sum number of the transmission of IC chip 150 by the second flexible circuit board 140
It is believed that number etc..
However, flexible integration touch-control display panel shown in FIG. 1 is because including two flexible circuit board (i.e. the first flexible circuits
Plate 130 and the second flexible circuit board 140), structure is complex, and needs to bind the first flexible circuit board 130 and respectively
Two flexible circuit boards 140, the yield that may cause manufacturing process are lower.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of flexible integration touch-control display panel and its system
Make method, to solve at least partly technical problem described in background technology.
In a first aspect, this application provides a kind of flexible integration touch-control display panels, comprising: flexible base board；It is arranged soft
Multiple thin film transistor (TFT)s of non-display area on property substrate；LED device layer on thin film transistor (TFT) array is set；If
The barrier layer on LED device layer is set, further includes multiple via holes in barrier layer；Touch-control electricity over the barrier layer is set
Pole array, touch control electrode array include multiple touch control electrodes；Wherein, each touch control electrode passes through each via hole and each thin film transistor (TFT) electricity
Connection.
Second aspect, present invention also provides the production methods of flexible integration touch-control display panel, comprising: it is flexible to provide one
Substrate；Multiple thin film transistor (TFT)s are formed on flexible substrates；LED device layer is formed on thin film transistor (TFT)；It is shining
Barrier layer is formed on diode component layer, wherein touch control electrode array is formed on barrier layer, touch control electrode array includes multiple
Touch control electrode；Form multiple via holes through barrier layer；Each touch control electrode is electrically connected by each via hole with thin film transistor (TFT).
The scheme of the application, by the way that each touch control electrode in setting touch control electrode array over the barrier layer is passed through via hole
It is electrically connected with thin film transistor (TFT) so that the flexible integration touch-control display panel being ultimately produced only is needed through a flexible electrical
Road plate to connect with IC chip to send to IC chip and/or from the corresponding telecommunications of IC chip reception
Number.Compared with existing flexible integration touch-control display panel, reduces the quantity for needing the flexible circuit board bound, improve soft
Property integrated touch-control display panel production yield.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows a kind of schematic diagram of existing flexible integration touch-control display panel；
Fig. 2A shows the schematic plan of the flexible integration touch-control display panel of the application one embodiment；
Fig. 2 B is the cross-sectional view in Fig. 2A along line segment AB；
Fig. 3 A shows the schematic plan of the flexible integration touch-control display panel of the application another embodiment；
Fig. 3 B is the cross-sectional view in Fig. 3 A along line segment CD；
Fig. 4 A shows the schematic plan of the flexible integration touch-control display panel of the application further embodiment；
Fig. 4 B is the cross-sectional view in Fig. 4 A along line segment EF；
Fig. 5 shows the touch control electrode of each embodiment of the application and the illustrative circuitry connection schematic diagram of thin film transistor (TFT)；
Fig. 6 shows the schematic diagram of the flexible integration touch-control display panel of the application a still further embodiment；
Fig. 7 shows the schematic flow of the production method of the flexible integration touch-control display panel of the application one embodiment
Figure.
Specific 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
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is the schematic plan of the flexible integration touch-control display panel of the application one embodiment referring to fig. 2 shown in A,
Fig. 2 B is the cross-sectional view along Fig. 2A middle conductor AB.
In the following, being described in conjunction with Fig. 2A and Fig. 2 B come the flexible integration touch-control display panel to the present embodiment.
The flexible integration touch-control display panel of the present embodiment includes flexible base board 210, non-show is arranged on flexible base board 210
The multiple thin film transistor (TFT)s (tft layer 220) for showing area, the LED device floor being arranged on thin film transistor (TFT)
230；The barrier layer 240 being arranged on LED device layer 230 and the touch control electrode battle array being arranged on barrier layer 240
Column.
Optionally, barrier layer 240 is, for example, a film layer flexible, and touch control electrode array is integrated on barrier layer 240.It is soft
The barrier layer 240 of property can be formed to LED device layer 230 by way of attaching.
In the flexible integration touch-control display panel of the present embodiment, flexible base board 210 has pliability, can be high saturating by having
The macromolecule polymer material for crossing rate is made, such as PI (Polyimide, polyimides).
It may include the film crystalline substance being formed on flexible base board 210 in the flexible integration touch-control display panel of the present embodiment
Body tube layer 220, and multiple film crystals as described above have can be set in the non-display area in the tft layer 220
Pipe.
In addition, further include multiple via holes 250 in the flexible integration touch-control display panel of the present embodiment, in barrier layer 240, touching
Controlling electrod-array further includes multiple touch control electrodes 241.Each touch control electrode 241 is electrically connected by each via hole 250 with each thin film transistor (TFT)
It connects.
It will be understood by those skilled in the art that the flexible integration touch-control display panel of the present embodiment can also include others
Structure for example, being formed in the pixel array of viewing area 201, and is formed in the film crystalline substance of the viewing area of tft layer 220
Body pipe array.It may include multiple each pixels for into pixel array in thin film transistor (TFT) array and apply the thin of control signal
Film transistor.Each thin film transistor (TFT) in thin film transistor (TFT) array can by FPC (Flexible circuit board, it is soft
Property circuit board) it 10 is connect with IC chip, the control signal that IC chip generates is sent to film through FPC10
Each thin film transistor (TFT) in transistor array, and then control the display of each pixel.
In addition, the flexible integration touch-control display panel of the present embodiment can also include and each touch-control in touch control electrode array
The touching signals line that electrode 241 connects one to one.In some optional implementations, each touch control electrode 241 can pass through
The touching signals line of connection of being corresponding to it to be electrically connected with each via hole 250, so that each touch control electrode 241 can be with each film
Transistor electrical connection.
The flexible integration touch-control display panel of the present embodiment, will by the multiple via holes 250 being arranged on barrier layer 240
Each touch control electrode 241 is electrically connected with each thin film transistor (TFT) of non-display area is located at.And since the film that these are located at non-display area is brilliant
Body pipe can be all disposed on tft layer 220 with the thin film transistor (TFT) array for being located at viewing area, therefore, be located at non-display
The thin film transistor (TFT) in area can also use identical FPC10 connect with IC chip to obtain IC chip generation
Touch scanning signals and the touch-control sensing signal that touch control electrode 241 each in touch control electrode array senses is sent to integrated circuit
Chip.
So, for the flexible integration touch-control display panel of the present embodiment, it is only necessary to which a FPC10 can be complete
It is electrically connected at IC chip.Compared with existing flexible integration touch-control display panel, reduce the number of required FPC
Amount, to improve the yield of flexible integration touch-control display panel.
Optionally, the flexible integration touch-control display panel of the present embodiment can also include multiple metals positioned at non-display area
Pad 260, each metal gasket 260 connect one to one with each touch control electrode 241 for being located at viewing area, and each metal gasket 260 is through each
Via hole is correspondingly connected with thin film transistor (TFT).
For example, each metal gasket can be by being electrically connected with each touching signals line that each touch control electrode 241 is correspondingly connected with, and pass through
The thin film transistor (TFT) positioned at non-display area is connected to across hole 250.
So, each touch control electrode 241 can pass through 260 1 a pair of metal gasket through via hole 250 by touching signals line
It is connected to each thin film transistor (TFT) positioned at non-display area with answering, then by each thin film transistor (TFT) through FPC10 and IC chip electricity
Connection.
Each touch control electrode 241 is directly electrically connected with each thin film transistor (TFT) for being located at non-display area by metal gasket 260, gold
The resistance belonged between pad and thin film transistor (TFT) is smaller.Further, since thin film transistor (TFT) can be by titanium in place of contacting with metal gasket 260
Aluminum titanium alloy material is made, by each touch control electrode 241 by metal gasket 260 directly be located at non-display area each thin film transistor (TFT)
When electrical connection, the connection place of thin film transistor (TFT) and metal gasket 260 is not perishable.
Since metal gasket is formed in the non-display area of flexible integration touch-control display panel, can be imitated to avoid the display of opposite plate
Fruit generates adverse effect.For example, metal gasket can be formed under flexible integration touch-control display panel in application scenes
Non-display area near frame.Alternatively, metal gasket can also be formed in flexible integration touch-control and show in other application scenarios
Non-display area near the left and right side frame of panel, for example, being formed near the shift register for exporting scanning signal.
It is the diagrammatic top of the flexible integration touch-control display panel of another embodiment of the application referring to shown in Fig. 3 A
Figure, Fig. 3 B are the cross-sectional view along Fig. 3 A middle conductor CD.
It should be noted that the range of non-display area is adaptively exaggerated in Fig. 3 B, so that each in non-display area
Device and its relative positional relationship are more clear.
It is identical as Fig. 2A and Fig. 2 B illustrated embodiment, the flexible integration touch-control display panel of Fig. 3 A and Fig. 3 B illustrated embodiment
Equally include flexible base board 310, the tft layer 320 being arranged on flexible base board 310, be arranged on thin film transistor (TFT)
LED device layer, the barrier layer 340 being arranged on LED device layer and the touching being arranged on barrier layer 340
Control electrod-array.Wherein, touch control electrode array includes multiple touch control electrodes 341, the non-display area setting of tft layer 320
There are multiple thin film transistor (TFT)s.
With embodiment shown in Fig. 2A and Fig. 2 B the difference is that, the flexible integration touch-control display panel of the present embodiment into
One step defines that LED device layer includes anode layer.And the anode layer for being located at non-display area includes multiple mutually insulateds
Anode electrode 332.Each metal gasket 360 can run through each via hole 350 and connect one to one with anode electrode 332, and each anode electricity
Pole 332 is electrically connected with thin film transistor (TFT).
The flexible integration touch-control display panel of the present embodiment can also include some other structure.For example, light-emitting diodes
Tube device layer can also include pixel defining layer 331.Pixel defining layer 331 at least covers entire viewing area 301, and for that will show
Show that the segmentation of area 301 forms multiple pixel regions.In addition, equally including multiple anode electrodes 332 ', pixel definition in viewing area 301
Layer 331 is formed by multiple pixel regions and can correspond with each anode electrode 332 ' for being located at viewing area 301.It that is to say
It says, each pixel region all has an anode electrode 332 '.Herein, the anode electrode 332 ' positioned at viewing area 301 can be with
It is arranged with 332 same layer of anode electrode for being located at non-display area, and formation can be made in the same manufacturing process steps.This
Outside, the flexible integration touch-control display panel of the present embodiment can also include the planarization layer being formed on tft layer 320
370。
The flexible integration touch-control display panel of the present embodiment, it is only necessary to which a FPC20 can be completed and ic core
The electrical connection of piece.Compared with existing flexible integration touch-control display panel, reduce the quantity of required FPC, to improve
The yield of flexible integration touch-control display panel.
In addition, the flexible integration touch-control display panel of the present embodiment, metal gasket 360 passes through via hole 350 and anode electrode 332
Connection, each anode electrode 332 is corresponded with each thin film transistor (TFT) for the non-display area for being located at tft layer 320 again to be connected
It connects.So, since anode electrode 332 is located on tft layer 320, and anode electrode 332 and thin film transistor (TFT)
There is likely to be other film layers (for example, planarization layer 320) between layer 320, compared with the embodiment shown in Fig. 2A and Fig. 2 B, this
The flexible integration touch-control display panel of embodiment can correspondingly reduce the length of metal gasket 360 in the vertical direction, Ke Yijin
Save to one step the material of production metal gasket 260.
It is the diagrammatic top of the flexible integration touch-control display panel of the application further embodiment referring to fig. 4 shown in A
Figure, Fig. 4 B are the cross-sectional view along Fig. 4 A middle conductor EF.
It is identical as Fig. 2A and Fig. 2 B illustrated embodiment, the flexible integration touch-control display panel of Fig. 4 A and Fig. 4 B illustrated embodiment
Same includes flexible base board 410, the tft layer 420 being arranged on flexible base board 410, setting in tft layer
LED device layer on 420, the barrier layer 440 being arranged on LED device layer and it is arranged on barrier layer
Touch control electrode array on 440.Wherein, touch control electrode array includes multiple touch control electrodes 441, tft layer 420 it is non-
Viewing area is provided with multiple thin film transistor (TFT)s.
With embodiment shown in Fig. 2A and Fig. 2 B the difference is that, the flexible integration touch-control display panel of the present embodiment into
One step includes that LED device layer includes cathode layer and anode layer.
Cathode layer positioned at non-display area includes the cathode electrode 433 of multiple mutually insulateds, positioned at the anode of non-display area
Layer includes the anode electrode 432 of multiple mutually insulateds.In addition, being likewise formed with cathode electrode 433 ' and sun in viewing area 401
Pole electrode 432 '.It, can be by being formed in the thin film transistor (TFT) array of the viewing area 401 of tft layer 420 in display
Apply electric signal to each anode electrode 432 ', is made by the electric field formed between each anode electrode 432 ' and cathode electrode 433 '
Organic luminous layer 434 shines.
Each metal gasket 460 connects one to one through each via hole 450 with cathode electrode 433, each cathode electrode 433 and each sun
Pole electrode 432 connects one to one, each anode electrode 432 and each film crystal for being located at 420 non-display area of tft layer
Pipe is electrically connected correspondingly.
It will be understood by those skilled in the art that the flexible integration touch-control display panel of the present embodiment can also include it is some its
His structure.For example, LED device layer can also include pixel defining layer 431 and organic luminous layer 434.Pixel is fixed
Adopted layer 431 at least covers entire viewing area 401, and for the segmentation of viewing area 401 to be formed multiple pixel regions.
In addition, may also be formed with thin-film encapsulation layer 480 between barrier layer 440 and LED device layer, film envelope
Dress layer 480 at least covers viewing area 401 and avoids organic luminous layer from being contaminated for obstructing water oxygen.In addition, the present embodiment
Flexible integration touch-control display panel can also include the planarization layer 470 being formed on tft layer 420.
The flexible integration touch-control display panel of the present embodiment, it is only necessary to which a FPC20 can be completed and ic core
The electrical connection of piece.Compared with existing flexible integration touch-control display panel, reduce the quantity of required FPC, to improve
The yield of flexible integration touch-control display panel.
In addition, the flexible integration touch-control display panel of the present embodiment, metal gasket 460 passes through via hole 450 and is each positioned at non-aobvious
Show that the cathode electrode 433 in area connects, each cathode electrode 433 is corresponded with each anode electrode 432 for being located at non-display area again to be connected
It connects, each thin film transistor (TFT) of each anode electrode 432 again with the non-display area for being located at tft layer 420 connects one to one.
So, since anode electrode 432 is located on tft layer 420, cathode electrode 433 is located at anode electrode 432 again
On, and there is likely to be other film layers (for example, planarization layer 420) between anode electrode 432 and tft layer 420,
Compared with embodiment shown in embodiment and Fig. 3 A and Fig. 3 B shown in Fig. 2A and Fig. 2 B, the flexible integration touch-control of the present embodiment
Display panel can further reduce the length of metal gasket 460 in the vertical direction, and then further save production metal
Material needed for pad 460.
In application scenes, the touch control electrode array of the flexible integration touch-control display panel of each embodiment of the application can
To include the touch control electrode of m × n array arrangement.
Each touch control electrode of any jth column is corresponded with the source electrode of a thin film transistor (TFT) respectively in touch control electrode array
Connection, wherein 1≤j≤n.The drain electrode for each thin film transistor (TFT) being electrically connected with each touch control electrode of any jth column is mutually electrically connected
The grid of each thin film transistor (TFT) for connecing, and be electrically connected with each touch control electrode of any jth column receive respectively control signal so that with
Each thin film transistor (TFT) timesharing conducting of each touch control electrode electrical connection of any jth column.
When each column for schematically showing touch control electrode array in Fig. 5 include three touch control electrodes, each touching for respectively arranging
Control the connection type of electrode and thin film transistor (TFT).
Each touch control electrode can be used mode similar with foregoing embodiments and is connected to correspondingly by metal gasket 560
Each thin film transistor (TFT).
In the following, to be located at touch control electrode 5411, touch control electrode 5412 and the touch-control of first row in Fig. 5 in touch control electrode array
Illustrate for electrode 5413 and the first transistor T1 being separately connected therewith, second transistor T2 and third transistor T3 point
When the principle that drives.The source electrode of the first transistor T1, second transistor T2 and third transistor T3 are respectively connected to touch control electrode
5411, touch control electrode 5412 and touch control electrode 5413.The drain electrode of the first transistor T1, second transistor T2 and third transistor T3
It is electrically connected to each other, and the grid of the first transistor T1, second transistor T2 and third transistor T3 are respectively connected to the first clock
Signal CK1, second clock signal CK2 and third clock signal CK3.
First clock signal CK1, second clock signal CK2 and third clock signal CK3 timesharing are enabled so that first crystal
Pipe T1, second transistor T2 and third transistor T3 timesharing conducting.
Specifically, when the first clock signal CK1 is enabled, the first transistor T1 conducting, IC chip can pass through FPC
Drain electrode through the first transistor T1 sends touch scanning signals to touch control electrode 5411, or receives touching by the first transistor T1
Control the touch-control sensing signal that electrode 5411 is sent.
Similarly, when second clock signal CK2 is enabled, second transistor T2 conducting, IC chip can pass through FPC
Drain electrode through second transistor T2 sends touch scanning signals to touch control electrode 5412, or receives touching by second transistor T2
Control the touch-control sensing signal that electrode 5412 is sent.When third clock signal CK3 is enabled, third transistor T3 conducting integrates electricity
Road chip can drain electrode by FPC through third transistor T3 to touch control electrode 5413 send touch scanning signals, or pass through the
Three transistor T3 receive the touch-control sensing signal that touch control electrode 5413 is sent.
So, by timesharing, into touch control electrode array, a certain column touch control electrode applies touch scanning signals and timesharing
The touch-control sensing signal of a certain column touch control electrode is received, can correspondingly reduce and the number in the channel of signal is provided to thin film transistor (TFT)
The quantity of connector on the FPC that amount and thin film transistor (TFT) are connect with IC chip, to reduce non-display area
Cabling, the width for reducing frame and the flexible integration for reducing the flexible integration touch-control display panel using each embodiment of the application
The cost of manufacture of touch control display apparatus.
It should be noted that timesharing driving method shown in fig. 5 is only illustrative, it is intended to illustrate the original of timesharing driving
Reason.It will be understood by those skilled in the art that in specific application, common drain transistor can be arranged according to the needs of application scenarios
Quantity so that it is determined that timesharing driving touch control electrode quantity.In addition, in Fig. 5, each touch control electrode and connection of being corresponding to it
The connection type of touching signals line is only illustrative, and is only used for expressing each touch control electrode and is passed through touching signals line and each metal gasket
560 are correspondingly connected with, and be not used in each touching signals line of restriction walks line position.
In addition, although in the embodiment as shown in Fig. 2A~Fig. 4 B, it is schematically shown that each in touch control electrode array
Touch control electrode is distributed in the array of m × n, however this is only schematical.
Those skilled in the art, can be according to the need of practical application on the basis of obtaining technical solution disclosed in the present application
The arrangement mode of each touch control electrode in touch control electrode array is arranged.For example, can be using real as shown in Fig. 2A~Fig. 4 B
The array distribution for applying m × n in example, so that flexible integration touch-control display panel forms self-tolerant framework namely each touch control electrode
Both the touch scanning signals of IC chip transmission had been received or have sent touch-control sensing signal to IC chip.
Alternatively, each touch control electrode in touch control electrode array can also be arranged using arrangement mode as shown in FIG. 6.
Specifically, touch control electrode array includes multiple touch control electrodes arranged in the first direction 641, and each touch control electrode
641 extend in a second direction, wherein first direction is vertical with second direction.Each touch-control electricity in Fig. 6, in touch control electrode array
Pole 641 for example may be used as the touch-control emission electrode that mutual capacitance type integrates touch-control display panel.
In mutual capacitance type framework as shown in FIG. 6, mode similar with foregoing embodiments is can also be used in each touch control electrode
It is connected to each thin film transistor (TFT) correspondingly by metal gasket 660, and the mode similar with Fig. 5 can be used equally to carry out
Timesharing driving, to receive the touch scanning signals that IC chip is sent in thin film transistor (TFT) conducting.
Specifically, touch control electrode 6411, touch control electrode 6412 and touch control electrode 6413 respectively with thin film transistor (TFT) T1, thin
The drain electrode of film transistor T2 and thin film transistor (TFT) T3 are electrically connected to each other, each film being electrically connected with each touch control electrode 6411~6413
The source electrode of transistor T1~T3 is electrically connected to each other.Each thin film transistor (TFT) T1~T3 being electrically connected with each touch control electrode 6411~6413
Grid receive respectively control signal so that each thin film transistor (TFT) T1~T3 timesharing be connected.In other words, the first clock signal
CK1, second clock signal CK2 and third clock signal CK3 timesharing are enabled so that the first transistor T1, second transistor T2 and the
Three transistor T3 timesharing conducting, to send touch scanning signals to each touch control electrode 6411~6413.
In addition, can also include multiple touch-control sensing electrodes 642 in Fig. 6.Touch-control sensing electrode 642, which also can integrate, to be hindered
In barrier.For example, touch control electrode 641 and touch-control sensing electrode 642 can be integrated in the upper and lower surfaces on barrier layer respectively.
Each touch-control sensing electrode 642 can be arranged and be extended in a first direction in a second direction.And each touch-control sensing electrode
642 can also be connected to thin film transistor (TFT) using connection type similar with each touch control electrode 641, and by with thin film transistor (TFT)
The FPC of connection is electrically connected with IC chip, to be sent to touch-control sensing signal integrated in thin film transistor (TFT) conducting
Circuit chip.
It is shown in Figure 7, it is the schematic flow chart of the production method of the flexible integration touch-control display panel of the application.
Specifically, the production method of the flexible integration touch-control display panel of the present embodiment includes:
Step 710, a flexible base board is provided.
Step 720, multiple thin film transistor (TFT)s are formed on flexible substrates.These thin film transistor (TFT)s can for example be formed in soft
Property integrated touch-control display panel non-display area.
Step 730, LED device layer is formed on thin film transistor (TFT).
Step 740, barrier layer is formed on LED device layer, touch control electrode array is formed on barrier layer, is touched
Controlling electrod-array includes multiple touch control electrodes.
Step 750, multiple via holes through barrier layer are formed.
Wherein, each touch control electrode is electrically connected by each via hole with thin film transistor (TFT).
Herein it should be noted that number 710~750 is not used in and limits each processing step the step of the present embodiment
Sequencing, the work that the production method for being only used for schematically describing the flexible integration touch-control display panel of the present embodiment is included
Skill step.
Optionally, the production method of the flexible integration touch-control display panel of the present embodiment can also include:
Multiple metal gaskets are formed on the barrier layer of non-display area, each touch control electrode in each metal gasket and touch control electrode array
It connects one to one.
For example, each metal gasket can run through each via hole, and be correspondingly connected with thin film transistor (TFT) in application scenes.
So, each touch control electrode can be connect correspondingly by metal gasket with thin film transistor (TFT).
In other application scenarios, step 730 on thin film transistor (TFT) array formed LED device layer can
To further comprise:
Step 731, anode layer is formed on thin film transistor (TFT).
Step 732, the anode electrode of multiple mutually insulateds is formed in the non-display area of anode layer.
In these application scenarios, each metal gasket can connect one to one through each via hole with anode electrode, and each sun
Pole electrode is electrically connected with thin film transistor (TFT).So, each touch control electrode can by metal gasket and anode electrode come with film
Transistor connects correspondingly.
In other application scenarios, the LED device layer that formed on thin film transistor (TFT) array of step 730 is removed
Except step 731 and step 732 as above, it can further include:
Step 733, cathode layer is formed on the anode layer.
Step 734, the cathode electrode of multiple mutually insulateds is formed in the cathode layer for being located at non-display area.
In these application scenarios, each metal gasket connects one to one through each via hole with cathode electrode, and each cathode electricity
Pole connects one to one with each anode electrode, and each anode electrode is electrically connected with thin film transistor (TFT).
Using in the integrated touch-control display panel of production as above, touch control electrode array for example may include m × n array
The touch control electrode of arrangement, so that integrated touch-control display panel forms self-tolerant framework.Any jth column is each in touch control electrode array
Touch control electrode can connect one to one with the source electrode of a thin film transistor (TFT), wherein 1≤j≤n.With each touching of any jth column
The drain electrode of each thin film transistor (TFT) of control electrode electrical connection is electrically connected to each other, and be electrically connected with each touch control electrode of any jth column
The grid of each thin film transistor (TFT) receives control signal respectively so that each film being electrically connected with each touch control electrode of any jth column is brilliant
Body pipe timesharing conducting.
Alternatively, touch control electrode array may include multiple along using in the integrated touch-control display panel of production as above
The touch control electrode of one direction arrangement, and each touch control electrode extends in a second direction, wherein first direction is vertical with second direction.
Each touch control electrode can be electrically connected to each other with the drain electrode of a thin film transistor (TFT), each film crystal being electrically connected with each touch control electrode
The source electrode of pipe is electrically connected to each other.The grid for each thin film transistor (TFT) being electrically connected with each touch control electrode receive respectively control signal so that
Each thin film transistor (TFT) timesharing conducting.These touch control electrodes may be used as touch-control emission electrode or touch-control sense in mutual capacitance type framework
Answer electrode.If these touch control electrodes are as touch-control emission electrode, when being connected when the thin film transistor (TFT) connected with each touch control electrode, touching
Control electrode can receive the touch scanning signals sent by IC chip.If these touch control electrodes are as touch-control sensing electricity
Pole, when being connected when the thin film transistor (TFT) connected with each touch control electrode, touch control electrode can be sent out the touch-control sensing signal sensed
It send to IC chip.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature any
Other technical solutions of combination and formation.Such as features described above and (but being not limited to) disclosed herein have similar functions
Technical characteristic is replaced mutually and the technical solution that is formed.
Claims (12)
1. a kind of flexible integration touch-control display panel characterized by comprising
Flexible base board；
It is set to the pixel array of viewing area；
Tft layer on the flexible base board is set；
The tft layer includes being located at the viewing area, applies the thin film transistor (TFT) of control signal to each pixel；
LED device layer on the tft layer is set；It is arranged on the LED device layer
Barrier layer further includes multiple via holes in the barrier layer described in non-display area；
Touch control electrode array on the barrier layer is set, and the touch control electrode array includes multiple touch control electrodes；
The tft layer further includes being located at non-display area, and multiple films that Xiang Suoshu touch control electrode provides control signal are brilliant
Body pipe；Wherein, each touch control electrode is electrically connected by each via hole with each thin film transistor (TFT).
2. flexible integration touch-control display panel according to claim 1, it is characterised in that: the flexible integration touch-control is shown
Panel further includes multiple metal gaskets positioned at the non-display area, each metal gasket and each touching for being located at the viewing area
Control electrode connects one to one.
3. flexible integration touch-control display panel according to claim 2, it is characterised in that:
Each metal gasket is correspondingly connected with through each via hole with the thin film transistor (TFT).
4. flexible integration touch-control display panel according to claim 2, it is characterised in that:
The LED device layer includes anode layer；
The anode layer positioned at the non-display area includes the anode electrode of multiple mutually insulateds；
Each metal gasket connects one to one through each via hole with the anode electrode；
Each anode electrode is electrically connected with the thin film transistor (TFT).
5. flexible integration touch-control display panel according to claim 2, it is characterised in that:
The LED device layer includes cathode layer and anode layer；
The cathode layer positioned at the non-display area includes the cathode electrode of multiple mutually insulateds, positioned at the non-display area
The anode layer includes the anode electrode of multiple mutually insulateds；
Each metal gasket connects one to one through each via hole with the cathode electrode；
Each cathode electrode connects one to one with each anode electrode；
Each anode electrode is electrically connected with the thin film transistor (TFT).
6. according to flexible integration touch-control display panel described in claim 3-5 any one, it is characterised in that:
The touch control electrode array includes the touch control electrode of m × n array arrangement；
In the touch control electrode array each touch control electrode of any jth column respectively with the source electrode of a thin film transistor (TFT) one by one
It is correspondingly connected with, wherein 1≤j≤n；
The drain electrode for each thin film transistor (TFT) being electrically connected with each touch control electrode of any jth column is electrically connected to each other, and with
The grid of each thin film transistor (TFT) of each touch control electrode electrical connection of any jth column receives respectively control signal so that with
Each thin film transistor (TFT) timesharing conducting of each touch control electrode electrical connection of any jth column.
7. according to flexible integration touch-control display panel described in claim 3-5 any one, it is characterised in that:
The touch control electrode array includes multiple touch control electrodes arranged in the first direction, and each touch control electrode is along second party
To extension, wherein the first direction is vertical with the second direction；
Drain electrode of each touch control electrode respectively with a thin film transistor (TFT) is electrically connected to each other, with each touch control electrode electricity
The source electrode of each thin film transistor (TFT) of connection is electrically connected to each other；
The grid for each thin film transistor (TFT) being electrically connected with each touch control electrode receives control signal so that each described respectively
Thin film transistor (TFT) timesharing conducting.
8. a kind of production method of the flexible integration touch-control display panel as described in claim 1~7 is any, which is characterized in that
Include:
One flexible base board is provided；
Multiple thin film transistor (TFT)s are formed on the flexible base board；
The thin film transistor (TFT) includes being located at viewing area, applies the thin film transistor (TFT) of control signal to each pixel；The film is brilliant
Body tube layer further includes being located at non-display area, and Xiang Suoshu touch control electrode provides multiple thin film transistor (TFT)s of control signal；
LED device layer is formed on the thin film transistor (TFT)；
Barrier layer is formed on the LED device layer, wherein touching is formed on the barrier layer described in the viewing area
Electrod-array is controlled, the touch control electrode array includes multiple touch control electrodes；
Form multiple via holes through the barrier layer；
Each touch control electrode is electrically connected by each via hole with the thin film transistor (TFT).
9. production method according to claim 8, which is characterized in that the method also includes:
Multiple metal gaskets are formed on the barrier layer of the non-display area, in each metal gasket and the touch control electrode array
Each touch control electrode connect one to one.
10. manufacturing method according to claim 9, it is characterised in that:
Each metal gasket is correspondingly connected with through each via hole with the thin film transistor (TFT).
11. manufacturing method according to claim 9, which is characterized in that described formed on the thin film transistor (TFT) shines
Diode component layer includes:
Anode layer is formed on the thin film transistor (TFT)；
The anode electrode of multiple mutually insulateds is formed in the non-display area of the anode layer；
Wherein,
Each metal gasket connects one to one through each via hole with the anode electrode；
Each anode electrode is electrically connected with the thin film transistor (TFT).
12. manufacturing method according to claim 9, which is characterized in that described formed on the thin film transistor (TFT) shines
Diode component layer includes:
Anode layer is formed on the thin film transistor (TFT) array；
The anode electrode of multiple mutually insulateds is formed in the anode layer for being located at the non-display area；
Cathode layer is formed on the anode layer；
The cathode electrode of multiple mutually insulateds is formed in the cathode layer for being located at the non-display area；
Wherein, each metal gasket connects one to one through each via hole with the cathode electrode；
Each cathode electrode connects one to one with each anode electrode；
Each anode electrode is electrically connected with the thin film transistor (TFT).
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| CN201610247590.7A CN105845708B (en) | 2016-04-20 | 2016-04-20 | Flexible integration touch-control display panel and preparation method thereof |
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| CN108287620B (en) * | 2017-01-09 | 2021-03-26 | 昆山工研院新型平板显示技术中心有限公司 | Flexible display screen and touch sensing device thereof |
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