CN106024840A - Flexible OLED display panel, manufacturing method thereof and flexible OLED display device - Google Patents
Flexible OLED display panel, manufacturing method thereof and flexible OLED display device Download PDFInfo
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- CN106024840A CN106024840A CN201610546171.3A CN201610546171A CN106024840A CN 106024840 A CN106024840 A CN 106024840A CN 201610546171 A CN201610546171 A CN 201610546171A CN 106024840 A CN106024840 A CN 106024840A
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- 230000004888 barrier function Effects 0.000 claims abstract description 122
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 239000010409 thin film Substances 0.000 claims abstract description 16
- 238000005538 encapsulation Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 101
- 239000002184 metal Substances 0.000 claims description 101
- 239000004020 conductor Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 27
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract 13
- 239000012790 adhesive layer Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
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- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
- H10K59/1201—Manufacture or treatment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application discloses a flexible OLED display panel, a manufacturing method thereof and a flexible OLED display device. The flexible OLED display panel comprises a flexible substrate; an organic light emitting device layer formed on the flexible substrate, the organic light emitting device layer including an anode layer, a cathode layer, and an organic light emitting material layer formed between the anode layer and the cathode layer; a thin film encapsulation layer formed on the organic light emitting device layer; the barrier layer is attached to the film packaging layer through an optical transparent adhesive layer; the first surface of the barrier layer is integrated with a touch electrode array, and the first surface is the surface of the barrier layer far away from the optical transparent adhesive layer. According to the scheme of this application, can reduce the rete quantity of the flexible OLED display panel that has the touch detection function, be favorable to the frivolous development of touch display device.
Description
Technical field
The disclosure relates generally to Display Technique field, particularly relates to a kind of flexible OLED display surface
Plate and preparation method thereof, flexible OLED display.
Background technology
Along with the development of Display Technique, the application of flexible display technologies is more and more extensive.Existing
Flexible display screen structure in, generally include flexible base board and be formed at flexible base board side
Each display device Rotating fields.Such as a kind of flexible OLED (Organic Light-Emitting
Diode, Organic Light Emitting Diode) structure of display screen may include that flexible base board, in flexibility
The multiple conductive layers sequentially formed on substrate, including thin film transistor array layer, anode layer, have
Machine luminescent layer, cathode layer and encapsulated layer.Insulating barrier can also be set between each conductive layer,
So that insulating between adjacent conductive layer.
Touch control electrode is generally positioned over flexibility by the design of existing flexible OLED display panel
Outside the encapsulated layer of display floater, or it is bonded in the protecting film of display screen, polarization by binding agent
In the structures such as device.As it is shown in figure 1, be a signal of existing flexible OLED display panel
Property structure chart.Flexible OLED display panel can include flexible display panels 1 and touch screen 2.
Wherein flexible display panels 1 can include flexible base board 11, tft layer 12, anode layer
13, the structure such as oled layer 14, cathode layer 15 and encapsulated layer 16.Touch screen 2 can be with
Flexible display panels 1 is fitted, and wherein polariser 21 can fit or be bonded on encapsulated layer 16,
Touch control electrode 23 is bonded in the surface of polariser 21 by binding agent 22, and touch screen 2 also includes
Cover the protection glass 24 on touch control electrode 23.The manufacturing process of this flexible display screen
Comprising the adhesion technique of touch control electrode, process complexity is high, and integrated level is low, and owing to using
Binding agent bonding touch control electrode, adds the integral thickness of display screen.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide a kind of flexible OLED to show
Show panel and preparation method thereof, flexible OLED display, to solving prior art is deposited
Technical problem.
First aspect, this application provides a kind of flexible OLED display panel, including: flexible
Substrate；Organic luminescent device layer, is formed on flexible base board, and organic luminescent device layer includes sun
Pole layer, cathode layer and the organic light emitting material being formed between anode layer and cathode layer；Thin film
Encapsulated layer, is formed on organic luminescent device layer；Barrier layer, is attached at by Optical transparent adhesive
In thin-film encapsulation layer；Wherein, the first surface on barrier layer is integrated with touch control electrode array, and
One surface is the surface away from Optical transparent adhesive, the barrier layer.
Second aspect, present invention also provides a kind of flexible OLED display, including as above
Flexible OLED display panel.
The third aspect, present invention also provides the manufacture method of a kind of flexible OLED display panel,
Including: forming organic light emitting device layer on flexible substrates, organic luminescent device layer includes anode
Layer, cathode layer and the organic light emitting material being formed between anode layer and cathode layer；Organic
Thin-film encapsulation layer is formed on light emitting device layer；First surface integrated touch control electrode battle array on barrier layer
Row；And by Optical transparent adhesive, barrier layer is attached in thin-film encapsulation layer；Wherein, first
Surface is the surface away from Optical transparent adhesive, the barrier layer.
According to the scheme of the embodiment of the present application, by by integrated for touch control electrode array over the barrier layer,
The film number of plies amount with the flexible OLED display panel touching detection function can be reduced, favorably
In the lightening development of touch control display apparatus.Additionally, after using the scheme of the embodiment of the present application, by
In decreasing film number of plies amount, the penetrance of flexible OLED display panel the most correspondingly increases, from
And improve the display effect of flexible OLED display panel.Meanwhile, the minimizing of film number of plies amount makes
The thickness of flexible OLED display panel is the most thinning, so that the flexibility of the application
The resistance to bending performance of OLED display panel is promoted.Additionally, touch control electrode to be all produced on resistance
Barrier, away from the side of substrate, can improve touch-control sensitivity, it is possible to reduces the letter to luminescent device
Number interference.
Accompanying drawing explanation
The detailed description that non-limiting example is made made with reference to the following drawings by reading,
Other features, purpose and advantage will become more apparent upon:
Fig. 1 shows in prior art, the schematic cross sectional views of flexible OLED display panel；
Fig. 2 shows the schematic sectional of the flexible OLED display panel of each embodiment of the application
Figure；
Fig. 3 shows in the flexible OLED display panel of the application, an enforcement on barrier layer
The schematic diagram of example；
Fig. 4 is the sectional view of A-A along Fig. 3；
Fig. 5 shows in the flexible OLED display panel of the application, and another of barrier layer is real
Execute the schematic diagram of example；
Fig. 6 is the sectional view of B-B along Fig. 5；
Fig. 7 shows in the flexible OLED display panel of the application, and another of barrier layer is real
Execute the schematic diagram of example；
Fig. 8 is the sectional view of C-C along Fig. 7；
Fig. 9 is in embodiment illustrated in fig. 7, and touch control electrode row and/or touch control electrode are classified as wire netting
During shape electrode, touch control electrode row and/or the schematic diagram of touch control electrode row；
Figure 10 is an embodiment of the manufacture method of the flexible OLED display panel of the application
Indicative flowchart.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is appreciated that
, specific embodiment described herein is used only for explaining related invention, rather than to this
Bright restriction.It also should be noted that, for the ease of describe, accompanying drawing illustrate only with
The part that invention is relevant.
It should be noted that in the case of not conflicting, the embodiment in the application and embodiment
In feature can be mutually combined.Describe this below with reference to the accompanying drawings and in conjunction with the embodiments in detail
Application.
Shown in Figure 2, for the showing of each embodiment of the flexible OLED display panel of the application
Meaning property structure chart.
As in figure 2 it is shown, the flexible OLED display panel of the present embodiment include flexible base board 210,
Organic luminescent device layer 220, thin-film encapsulation layer 230, Optical transparent adhesive 240 and barrier layer
250。
Wherein, organic luminescent device layer 220 is formed on flexible base board 210.Organic illuminator
Part layer 220 can include anode layer 221, cathode layer 223 and be formed at anode layer 221 and negative electrode
Organic light emitting material 222 between layer 223.
Thin-film encapsulation layer 230 is formed on organic luminescent device layer 220.Barrier layer 250 is passed through
Optical transparent adhesive 240 is attached in thin-film encapsulation layer 230.
The first surface on barrier layer 250 is integrated with touch control electrode array, and first surface is for stopping
Layer 250 is away from the surface of Optical transparent adhesive 240.In other words, as described in Figure 2, barrier layer
The first surface of 250 is its upper surface.
Use the flexible OLED display panel of the application, owing to being integrated in by touch control electrode array
On barrier layer 250, compared with the flexible OLED display panel of prior art, film can be reduced
The quantity of layer, and then reduce the thickness of flexible OLED display panel.
Additionally, the flexible OLED display panel of the application, due to by integrated for touch control electrode array
On a surface on barrier layer 250, in manufacturing process, it is not necessary to barrier layer 250 is turned over
Turn, reduce the difficulty of processing procedure, improve the yield making flexible OLED display panel.
In the flexible OLED display panel of the application, it is integrated in the first surface on barrier layer 250
Touch control electrode array can include multiple touch control electrode row and intersect with each touch control electrode row
The touch control electrode row of arrangement, and each touch control electrode row and each touch control electrode row mutually insulated.
Shown in Figure 3, in the OLED display panel of the application, a reality on barrier layer
Execute the schematic diagram of example.Fig. 4 is the sectional view of A-A along Fig. 3.It should be noted that
In order to make all parts shown in accompanying drawing become apparent from, suitably have adjusted the ratio of Fig. 4.
Below, the resistance of the flexible OLED display panel to the present embodiment is carried out in conjunction with Fig. 3 and Fig. 4
Annexation between other parts of barrier and barrier layer and flexible OLED display panel is carried out
Describe.
In the present embodiment, integrated touch control electrode array over the barrier layer includes that same layer is arranged and phase
The touch control electrode row 310 insulated mutually and touch control electrode row 320.Here, the implication of " same to layer "
It is to be understood that touch control electrode row 310 and touch control electrode row 320 are all integrated in barrier layer first
Same conductor layer in surface.
Each touch control electrode row includes multiple first sub-electrode 311.Barrier layer also includes the first metal
Layer, the first metal layer is formed multiple first metal derby 330.
Each first sub-electrode 311 in same touch control electrode row 310 is by the first metal derby 330
Electrical connection.Such as, adjacent two the first sub-electrodes 311 in same touch control electrode row 310 can
Electrically connected by first metal derby 330.
It is exhausted that barrier layer may also include first be formed between touch control electrode array and the first metal layer
Edge layer.Multiple first felt pad 340, each first felt pad 340 it is formed with on first insulating barrier
One of them touch control electrode row are covered at touch control electrode line direction to the orthographic projection of touch control electrode array.
So, be arranged between the conductor layer at the first metal layer and touch control electrode array place
One felt pad 340 can ensure that and insulate between each touch control electrode row 320 and the first metal derby 330,
Thus ensure to insulate between each touch control electrode row 320 and each touch control electrode row 310.
In some optional implementations, as shown in Figure 4, each first on the first metal layer
The top that metal derby 330 can be formed at touch control electrode array is (i.e. farther than touch control electrode array
A side from Optical transparent adhesive).
Or, each first metal in other optional implementations, on the first metal layer
Block can also be formed at the lower section of touch control electrode array (i.e. than touch control electrode array closer to optics
One side of transparent adhesive tape).
Shown in Figure 5, in the OLED display panel of the application, another of barrier layer
The schematic diagram of embodiment.Fig. 6 is the sectional view of B-B along Fig. 5.Need explanation
It is, in order to make all parts shown in accompanying drawing become apparent from, suitably to have adjusted Fig. 6's
Ratio.
Below, the resistance of the flexible OLED display panel to the present embodiment is carried out in conjunction with Fig. 5 and Fig. 6
Annexation between other parts of barrier and barrier layer and flexible OLED display panel is carried out
Describe.
Similar with the embodiment shown in Fig. 3 and Fig. 4, in the present embodiment, in touch control electrode array
Touch control electrode row 510 and touch control electrode row 520 arrange with layer equally, and touch control electrode row 510
With touch control electrode row 520 mutually insulated.
Each touch control electrode row 520 include multiple second sub-electrode 521.
Barrier layer also includes the second metal level, and the second metal level is formed multiple second metal derby
530。
Each second sub-electrode 521 in same touch control electrode row 520 is by the second metal derby 530
Electrical connection.Such as, as it is shown in figure 5, in same touch control electrode row 520 adjacent two second
Sub-electrode 521 can be electrically connected by second metal derby 530.
Barrier layer also includes the second insulation being formed between touch control electrode array and the second metal level
Layer, the second insulating barrier is formed multiple second felt pad 540.Each second felt pad 540 to
The orthographic projection of touch control electrode array covers one of them touch control electrode in touch control electrode row 520 direction
Row 510.So, the second metal level and the conductor layer at touch control electrode array place it are arranged on
Between the second felt pad 540 can ensure that each touch control electrode row 510 and the second metal derby 530
Between insulate, thus ensure between each touch control electrode row 520 and each touch control electrode row 510 insulate.
Shown in Figure 7, in the flexible OLED display panel of the application, barrier layer is again
The schematic diagram of one embodiment, Fig. 8 is the sectional view of C-C along Fig. 7.Need
Bright, in order to make all parts shown in accompanying drawing become apparent from, suitably have adjusted figure
The ratio of 8.
Below, in conjunction with Fig. 7 and Fig. 8, the present embodiment is described.
In the present embodiment, barrier layer includes the first conductor layer, the second conductor layer and is formed at
The 3rd insulating barrier 730 between one conductor layer and the second conductor layer.
Touch control electrode row 710 is formed at the first conductor layer and touch control electrode row 720 are formed at second
Conductor layer.
In some optional implementations of the present embodiment, the first conductor layer is metal level.Accordingly
Ground, each touch control electrode row can use the structure such as Fig. 9.
Fig. 9 shows when the first conductor layer is metal level, the schematic structure of touch control electrode row
Figure.
Touch control electrode row includes multiple 3rd metal net shaped sub-electrode 910 and touches for connecting this
First metal wire 920 of each 3rd metal net shaped sub-electrode 910 of control rows of electrodes.
Similarly, in other optional implementations of the present embodiment, the second conductor layer can
Think metal level.In these optional implementations, each touch control electrode row can include multiple the
Four metal net shaped sub-electrodes and for connect this touch control electrode row each 4th metal net shaped son electricity
Second metal wire of pole.In these optional implementations, the structure of touch control electrode row is permissible
Similar with shown in Fig. 9.
Here, it should be noted that in the embodiment shown in fig. 7, touch control electrode row 710
ITO (tin indium oxide) conductor layer can be formed at and touch control electrode row 720 can be formed at gold
Belong to layer and can have metallic netted structural as shown in Figure 9.Or, touch control electrode row 720 can
To be formed at ITO (tin indium oxide) conductor layer and touch control electrode row 710 can be formed at metal
Layer also can have metallic netted structural as shown in Figure 9.Or, touch control electrode row 710 is with tactile
Control electrodes series is formed at two ITO conductor layers and has the shape of strip.Or, touch control electrode
Row 710 and touch control electrode row are respectively formed in two metal levels and are respectively provided with as shown in Figure 9
Metallic netted structural.
Additionally, in the embodiment shown in fig. 7, when touch control electrode row 710 and/or touch control electrode
When row 720 are metal electrode, the metals such as silver, molybdenum, aluminum, titanium or copper can be used to make
Touch control electrode row 710 and/or touch control electrode row 720.
Additionally, the flexible OLED display panel of each embodiment of the application also includes flexible PCB,
Such as, in embodiment illustrated in fig. 3 350, in embodiment illustrated in fig. 5 550 and Fig. 7
In illustrated embodiment 750.
Correspondingly, electrically connect with flexible PCB in order to each touch control electrode row and touch control electrode are arranged,
In the flexible OLED display panel of each embodiment of the application, barrier layer is also formed with a plurality of
One touching signals line (as shown in Figure 3 in embodiment 360, in embodiment illustrated in fig. 5 560
And 760 in embodiment illustrated in fig. 7) and a plurality of second touching signals line is (as shown in Figure 3
In embodiment 370, in 570 and embodiment illustrated in fig. 7 in embodiment illustrated in fig. 5
770)。
Wherein, the first end of each first touching signals line (360,560,760) and each touch-control electricity
(310,510,710) correspondence of extremely going connects, each first touching signals line (360,560,760)
The second end be connected with flexible PCB (350,550,750).
Similarly, the first end of each second touching signals line (370,570,770) and each touch-control
Electrodes series (320,520,720) is corresponding to be connected, and the second end of each second touching signals line is with soft
Property circuit board (350,550,750) connect.
In the flexible OLED display panel of each embodiment of the application, flexible PCB 350,550,
750 non-display areas that may be provided at flexible OLED display panel.
In some optional implementations, barrier layer can further include the 3rd metal level,
4th metal level and the 4th insulating barrier being formed between the 3rd metal level and the 4th metal level.
Wherein, the first touching signals line can be formed at the 3rd metal level, and the second touching signals is linear
Cheng Yu tetra-metal level.Flexible PCB can contact with the 3rd metal level.
Multiple via, the second end of each second touching signals line is could be formed with on 4th insulating barrier
The 3rd metal level can be connected to be electrically connected with flexible PCB by running through the conducting metal of each via
Connect.
Additionally, in some optional implementations, the flexible OLED of each embodiment of the application
The barrier layer of display floater can also include the 5th insulating barrier covering touch control electrode array.Pass through
Touch control electrode array covers the 5th insulating barrier, can play outside protection touch control electrode, obstruct
Boundary's water oxygen, avoid the technique effect that touch control electrode corrodes.
Use the flexible OLED display panel of the application each embodiment as above, by inciting somebody to action
Touch control electrode array is integrated over the barrier layer, it is possible to reduce have the flexibility touching detection function
The film number of plies amount of OLED display panel, the beneficially lightening development of touch control display apparatus.Additionally,
After using the scheme of the embodiment of the present application, owing to decreasing film number of plies amount, flexible OLED shows
The penetrance of panel the most correspondingly increases, thus improves the display of flexible OLED display panel
Effect and resistance to bending performance.On the other hand, barrier layer all it is produced on due to touch control electrode away from base
The side of plate, can improve touch-control sensitivity, it is possible to reduce the signal disturbing to luminescent device.
The application is also disclosed a kind of flexible OLED display, and it includes as above any embodiment
Described flexible OLED display panel.
Those skilled in the art are it will be appreciated that flexible OLED display is except arbitrary enforcement
Outside flexible OLED display panel described in example, may also include structure known to other.In order to
Do not obscure the emphasis of the application, will no longer carry out structure known to this part launching to describe.
Shown in Figure 10, for the manufacture method of the flexible OLED display panel of the application
The indicative flowchart of one embodiment.
Specifically, the manufacture method of the flexible OLED display panel of the present embodiment includes:
Step 1100, forms organic light emitting device layer, organic luminescent device layer on flexible substrates
Including anode layer, cathode layer and the organic light emitting material being formed between anode layer and cathode layer.
Step 1200, forms thin-film encapsulation layer on organic luminescent device layer.
Step 1300, the first surface integrated touch control electrode array on barrier layer.
Step 1400, is attached at barrier layer in thin-film encapsulation layer by Optical transparent adhesive.
Here, the first surface on barrier layer is the surface away from Optical transparent adhesive, the barrier layer.
Use the flexible OLED display panel that the manufacture method of the present embodiment makes, owing to touching
Control electrod-array has been integrated on barrier layer, with the flexible OLED display panel phase of prior art
Ratio, can reduce the quantity of film layer, reduces the thickness of flexible OLED display panel and improves
The resistance to bending performance of flexible OLED display panel.
Additionally, use the flexible OLED display panel that the manufacture method of the present embodiment makes, by
In touch control electrode array being integrated in the surface on barrier layer, in manufacturing process, it is not necessary to right
Barrier layer overturns, and reduces the difficulty of processing procedure, improves the flexible OLED display surface of making
The yield of plate.
On the other hand, use the flexible OLED display panel that the manufacture method of the present embodiment makes,
All it is produced on the side away from substrate, the barrier layer due to touch control electrode, touch-control sensitivity can be improved,
Also the signal disturbing to luminescent device can be reduced.
In some optional implementations, it is integrated in barrier layer first surface by step 1400
Touch control electrode array can include multiple touch control electrode row and with each touch control electrode row cross arrangement
Touch control electrode row, and each touch control electrode row and each touch control electrode row mutually insulated.
In these optional implementations, the system of the flexible OLED display panel of the present embodiment
Making in method, step 1400 can further include:
Step 1410, forms touch control electrode row and touch control electrode row at same conductor layer.
In the application scenes of these optional implementations, make shape by step 1410
In the barrier layer become, each touch control electrode row can include multiple first sub-electrode.Barrier layer also can be wrapped
Include the first metal layer, the first metal layer is formed multiple first metal derby.Same touch control electrode
Each first sub-electrode in row can be electrically connected by the first metal derby.Barrier layer may also include formation
The first insulating barrier between touch control electrode array and the first metal layer, the first insulating barrier is formed
Having multiple first felt pad, each first felt pad is electric at touch-control to the orthographic projection of touch control electrode array
Pole line direction covers one of them touch control electrode row, so that each touch control electrode row and each touch-control
Mutually insulated between electrodes series.
In other application scenarios of these optional implementations, made by step 1410
In the barrier layer formed, each touch control electrode row can include multiple second sub-electrode.Also may be used in barrier layer
Including the second metal level, the second metal level is formed with multiple second metal derby.Same touch-control electricity
Each second sub-electrode in the row of pole can be electrically connected by the second metal derby.Barrier layer may also include shape
Become the second insulating barrier between touch control electrode array and the second metal level, shape on the second insulating barrier
Become have multiple second felt pad, each second felt pad to the orthographic projection of touch control electrode array at touch-control
Electrodes series direction covers one of them touch control electrode row, and makes each touch control electrode row and each touch-control
Mutually insulated between electrodes series.
In other optional implementations, the flexible OLED display panel of the present embodiment
In manufacture method, step 1400 can further include:
Step 1420, the integrated first conductor layer of first surface on barrier layer, the second conductor layer and
3rd insulating barrier.
Wherein, the first conductor layer can include that each touch control electrode row, the second conductor layer can include each touching
Control electrodes series, and the 3rd insulating barrier can be formed between the first conductor layer and the second conductor layer so that
Mutually insulated between each touch control electrode row and each touch control electrode row.
Additionally, the manufacture method of the flexible OLED display panel of the present embodiment, it is also possible to enter one
Step comprises the following steps that
Step 1500, forms flexible PCB.
Step 1600, the most integrated a plurality of first touching signals line and a plurality of second touch-control
Holding wire.
Wherein, the first end of each first touching signals line is corresponding with each touch control electrode row connects, respectively
Second end of the first touching signals line is connected with flexible PCB.The of each second touching signals line
One end is corresponding with each touch control electrode row to be connected, the second end of each second touching signals line and flexible electrical
Road plate connects.
In some optional implementations, step 1600 can be carried out before step 1400.
In other words, complete the most integrated touch control electrode array (step 1300), first touch
After integrated (step 1600) of control holding wire and the second touching signals line, then will complete
Barrier layer be attached at (step 1400) in thin-film encapsulation layer by Optical transparent adhesive.
The flexible PCB made by the method for the present embodiment such as can be arranged on flexibility
The non-display area of OLED display panel.
In some optional implementations, the most integrated a plurality of the first of step 1600
Touching signals line and a plurality of second touching signals line can further include:
Step 1610, makes the first touching signals line at integrated the 3rd metal level over the barrier layer.
Step 1620, forms multiple via on integrated the 4th insulating barrier over the barrier layer.
Step 1630, makes the second touching signals line at integrated the 4th metal level over the barrier layer.
Wherein, flexible PCB and the 3rd metal level contact, and the 4th insulating barrier is formed at the 3rd
Between metal level and the 4th metal level, the second end of each second touching signals line is by running through each mistake
The conducting metal in hole is connected to the 3rd metal level to electrically connect with flexible PCB.
In some optional implementations, the system of the flexible OLED display panel of the present embodiment
Can further include as method:
Step 1700, forms the 5th insulating barrier covering touch control electrode array over the barrier layer.
It will be appreciated by those skilled in the art that invention scope involved in the application, do not limit
In the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously without departing from
In the case of described inventive concept, above-mentioned technical characteristic or its equivalent feature carry out combination in any
And other technical scheme formed.Such as features described above and (but not limited to) disclosed herein
The technical characteristic with similar functions is replaced mutually and the technical scheme that formed.
Claims (19)
1. a flexible OLED display panel, it is characterised in that including:
Flexible base board；
Organic luminescent device layer, is formed on described flexible base board, described organic luminescent device layer
Including anode layer, cathode layer and be formed between described anode layer and described cathode layer organic
Optical material layer；
Thin-film encapsulation layer, is formed on described organic luminescent device layer；
Barrier layer, is attached in described thin-film encapsulation layer by Optical transparent adhesive；
Touch control electrode array, is integrated on the first surface on described barrier layer, and described first table
Face is the surface away from described Optical transparent adhesive, the described barrier layer.
Flexible OLED display panel the most according to claim 1, it is characterised in that:
Described touch control electrode array includes multiple touch control electrode row and hands over each described touch control electrode row
The touch control electrode row of fork arrangement；
Each described touch control electrode row and each described touch control electrode row mutually insulated.
Flexible OLED display panel the most according to claim 2, it is characterised in that:
Described touch control electrode row and described touch control electrode arrange same layer and arrange；
Each described touch control electrode row includes multiple first sub-electrode；
Described barrier layer also includes the first metal layer, and described the first metal layer is formed multiple
One metal derby；
Each described first sub-electrode in same touch control electrode row is electrically connected by described first metal derby
Connect；
Described barrier layer also include being formed at described touch control electrode array and described the first metal layer it
Between the first insulating barrier, described first insulating barrier is formed multiple first felt pad, each described
First felt pad covers at described touch control electrode line direction to the orthographic projection of described touch control electrode array
One of them described touch control electrode arranges.
Flexible OLED display panel the most according to claim 2, it is characterised in that:
Described touch control electrode row and described touch control electrode arrange same layer and arrange；
Each described touch control electrode row include multiple second sub-electrode；
Described barrier layer also includes the second metal level, and described second metal level is formed multiple
Two metal derbies；
Each described second sub-electrode in same touch control electrode row is electrically connected by described second metal derby
Connect；
Described barrier layer also include being formed at described touch control electrode array and described second metal level it
Between the second insulating barrier, described second insulating barrier is formed multiple second felt pad, each described
Second felt pad covers at described touch control electrode column direction to the orthographic projection of described touch control electrode array
One of them described touch control electrode row.
Flexible OLED display panel the most according to claim 2, it is characterised in that:
Described barrier layer includes the first conductor layer, the second conductor layer and is formed at described first conductor
The 3rd insulating barrier between layer and described second conductor layer；
Described touch control electrode row is formed at described first conductor layer and described touch control electrode row are formed at
Described second conductor layer.
Flexible OLED display panel the most according to claim 5, it is characterised in that:
Described first conductor layer is metal level；
Each described touch control electrode row includes multiple 3rd metal net shaped sub-electrode and for connecting this
First metal wire of each described 3rd metal net shaped sub-electrode of touch control electrode row.
7., according to the flexible OLED display panel described in claim 5 or 6, its feature exists
In:
Described second conductor layer is metal level；
Each described touch control electrode row include multiple 4th metal net shaped sub-electrode and for connecting this
Second metal wire of each described 4th metal net shaped sub-electrode of touch control electrode row.
8., according to the flexible OLED display panel described in claim 2-6 any one, it is special
Levy and be:
Described flexible OLED display panel also includes flexible PCB；
A plurality of first touching signals line and a plurality of second touching signals it is also formed with on described barrier layer
Line；
Wherein, the first end of each described first touching signals line is corresponding with each described touch control electrode row
Connecting, the second end of each described first touching signals line is connected with described flexible PCB；
First end of each described second touching signals line is corresponding with each described touch control electrode row to be connected,
Second end of each described second touching signals line is connected with described flexible PCB.
Flexible OLED display panel the most according to claim 8, it is characterised in that:
Described flexible PCB is arranged on the non-display area of described flexible OLED display panel；
Described barrier layer also includes the 3rd metal level, the 4th metal level and is formed at described 3rd gold medal
Belong to the 4th insulating barrier between layer and described 4th metal level；
Wherein, described first touching signals line is formed at described 3rd metal level, and described second touches
Control holding wire is formed at the 4th metal level；
Described flexible PCB contacts with described 3rd metal level；
Multiple via, the institute of each described second touching signals line it is formed with on described 4th insulating barrier
State the second end by run through the conducting metal of each described via be connected to described 3rd metal level with
Described flexible PCB electrically connects.
10. according to the flexible OLED display panel described in claim 1-6 any one, its
It is characterised by:
Described barrier layer also includes the 5th insulating barrier covering described touch control electrode array.
11. 1 kinds of flexible OLED display, it is characterised in that include such as claim 1-10
Flexible OLED display panel described in any one.
The manufacture method of 12. 1 kinds of flexible OLED display panel, it is characterised in that including:
Forming organic light emitting device layer on flexible substrates, described organic luminescent device layer includes sun
Pole layer, cathode layer and the luminous organic material being formed between described anode layer and described cathode layer
Layer；
Described organic luminescent device layer is formed thin-film encapsulation layer；
First surface integrated touch control electrode array on barrier layer；And
By Optical transparent adhesive, described barrier layer is attached in described thin-film encapsulation layer；
Wherein, described first surface is the surface away from described Optical transparent adhesive, the described barrier layer.
The manufacture method of 13. flexible OLED display panel according to claim 12,
It is characterized in that:
Described touch control electrode array includes multiple touch control electrode row and hands over each described touch control electrode row
The touch control electrode row of fork arrangement；
Each described touch control electrode row and each described touch control electrode row mutually insulated.
The manufacture method of 14. flexible OLED display panel according to claim 13,
It is characterized in that the described first surface integrated touch control electrode array on described barrier layer includes:
Described touch control electrode row and described touch control electrode row is formed at same conductor layer；
Each described touch control electrode row includes multiple first sub-electrode；
Described barrier layer also includes the first metal layer, and described the first metal layer is formed multiple
One metal derby；
Each described first sub-electrode in same touch control electrode row is electrically connected by described first metal derby
Connect；
Described barrier layer also include being formed at described touch control electrode array and described the first metal layer it
Between the first insulating barrier, described first insulating barrier is formed multiple first felt pad, each described
First felt pad covers at described touch control electrode line direction to the orthographic projection of described touch control electrode array
One of them described touch control electrode arranges.
The manufacture method of 15. flexible OLED display panel according to claim 13,
It is characterized in that, the described first surface on described barrier layer integrated touch control electrode array includes:
Described touch control electrode row and described touch control electrode row is formed at same conductor layer；
Each described touch control electrode row include multiple second sub-electrode；
Described barrier layer also includes the second metal level, and described second metal level is formed multiple
Two metal derbies；
Each described second sub-electrode in same touch control electrode row is electrically connected by described second metal derby
Connect；
Described barrier layer also include being formed at described touch control electrode array and described second metal level it
Between the second insulating barrier, described second insulating barrier is formed multiple second felt pad, each described
Second felt pad covers at described touch control electrode column direction to the orthographic projection of described touch control electrode array
One of them described touch control electrode row.
The manufacture method of 16. flexible OLED display panel according to claim 13,
It is characterized in that, the described first surface on described barrier layer integrated touch control electrode array includes:
The integrated first conductor layer of first surface, the second conductor layer and the 3rd on described barrier layer are exhausted
Edge layer；
Wherein, described first conductor layer includes each described touch control electrode row, described second conductor layer
Including each described touch control electrode arrange, and described 3rd insulating barrier be formed at described first conductor layer and
Between described second conductor layer.
17. according to the flexible OLED display panel described in claim 13-16 any one
Manufacture method, it is characterised in that also include:
Form flexible PCB；
Integrated a plurality of first touching signals line and a plurality of second touching signals line on described barrier layer；
Wherein, the first end of each described first touching signals line is corresponding with each described touch control electrode row
Connecting, the second end of each described first touching signals line is connected with described flexible PCB；
First end of each described second touching signals line is corresponding with each described touch control electrode row to be connected,
Second end of each described second touching signals line is connected with described flexible PCB.
The manufacture method of 18. flexible OLED display panel according to claim 17,
It is characterized in that:
Described flexible PCB is arranged on the non-display area of described flexible OLED display panel；
Described integrated a plurality of first touching signals line and a plurality of second touch-control letter on described barrier layer
Number line also includes:
Described first touching signals line is made at the 3rd metal level being integrated on described barrier layer；
The 4th insulating barrier being integrated on described barrier layer forms multiple via；
Described second touching signals line is made at the 4th metal level being integrated on described barrier layer；
Wherein, described flexible PCB contacts with described 3rd metal level, described 4th insulation
Layer is formed between described 3rd metal level and described 4th metal level, each described second touch-control letter
Described second end of number line is connected to described 3rd gold medal by running through the conducting metal of each described via
Belong to layer to electrically connect with described flexible PCB.
19. according to the flexible OLED display panel described in claim 12-16 any one
Manufacture method, it is characterised in that also include:
Described barrier layer is formed the 5th insulating barrier covering described touch control electrode array.
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| CN201610546171.3A CN106024840A (en) | 2016-07-12 | 2016-07-12 | Flexible OLED display panel, manufacturing method thereof and flexible OLED display device |
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|---|---|---|---|
| CN201610546171.3A CN106024840A (en) | 2016-07-12 | 2016-07-12 | Flexible OLED display panel, manufacturing method thereof and flexible OLED display device |
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