CN107272958A - A kind of embedded touch OLED display and preparation method thereof - Google Patents
A kind of embedded touch OLED display and preparation method thereof Download PDFInfo
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- CN107272958A CN107272958A CN201710507797.8A CN201710507797A CN107272958A CN 107272958 A CN107272958 A CN 107272958A CN 201710507797 A CN201710507797 A CN 201710507797A CN 107272958 A CN107272958 A CN 107272958A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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Abstract
This application discloses a kind of embedded touch OLED display and preparation method thereof.The device includes array base palte, a plurality of leads, organic planarizationization layer and touch control electrode layer, wherein, array base palte is provided with source-drain electrode layer, a plurality of leads is set with source-drain electrode layer with layer, organic planarizationization layer is arranged on source-drain electrode layer and a plurality of leads, and multiple through holes are set, touch control electrode layer is arranged on side of the organic planarizationization layer away from the array base palte, and is connected by multiple through holes respectively at a plurality of leads.This structure can improve the lightening of embedded touch OLED display, simplify its production technology, save its production cost.
Description
Technical field
The application is related to field of display devices, more particularly to a kind of embedded touch OLED display and its making side
Method.
Background technology
With the development of electronics technology, current most of electronic products, such as mobile phone, digital camera, handheld device, instrument
The keyboard or mouse of instrument etc. are gradually substituted by touch-screen.Touch-screen is main by touch detection part and touch screen controller group
Into touch detection part is arranged on before indicator screen, and touch-screen control is sent after user touch location, reception for detecting
Device；And the main function of touch screen controller is that touch information is received from touch point detection device, and it is converted into contact
Coordinate, then give central processing unit, it can receive the order that central processing unit sends and be performed simultaneously.
In currently available technology, for realize Organic Light Emitting Diode (Organic Light-Emitting Diode,
OLED a kind of) the touch controllable function of display screen, scheme is that touch-screen is fabricated separately with OLED display screen, then passes through optical lens
Touch-screen is fitted in OLED upper surface to form complete OLED touching display screens by gelatin；Another scheme is by touch-control list
Member is produced on above the thin-film encapsulation layer of OLED display screen.But the signal lead of the touch control unit of both schemes can increase OLED
The thickness of touching display screen, is unfavorable for the lightening of OLED touching display screens.
The content of the invention
The application mainly solving the technical problems that provide a kind of embedded touch OLED display and preparation method thereof,
To improve the lightening of embedded touch OLED display, simplify its production technology, save its production cost.
In order to solve the above technical problems, the technical scheme that the application is used is：A kind of embedded touch OLED is provided
Display device.The embedded touch OLED display includes array base palte, and the array base palte is provided with source-drain electrode layer；It is many
Bar lead, is set with source-drain electrode layer with layer；Organic planarizationization layer, is arranged on the source-drain electrode layer and a plurality of leads
On, in organic planarizationization layer, multiple through holes are set；Touch control electrode layer, is arranged on the organic planarizationization layer away from the battle array
The side of row substrate；Wherein, the touch control electrode layer is connected with a plurality of leads respectively by the multiple through hole.
In order to solve the above technical problems, another technical scheme that the application is used is：A kind of embedded touch is provided
The preparation method of OLED display.Methods described includes being formed the array base palte for being provided with source-drain electrode region layer；In the source and drain
A plurality of leads is formed in polar region layer；Organic planarization layer is formed on a plurality of leads and source-drain electrode layer；Have described
Multiple through holes are formed on machine planarization layer；Touch control electrode layer is formed on organic planarizationization layer；And make the touch control electrode
Layer is connected with a plurality of leads respectively by the multiple through hole.
The beneficial effect of the embodiment of the present application is：It is different from prior art, the embodiment of the present application is by a plurality of leads and array
The source-drain electrode layer of substrate is set with layer, and multiple being provided with positioned at source-drain electrode layer and the organic planarization layer on a plurality of leads
Through hole, so that the touch control electrode layer being arranged in the organic planarization layer is connected by the through hole with the lead, by the way that touch-control is electric
The lead of pole layer is set with source-drain electrode layer with layer, and touch control electrode layer can be made not need extra trace layer to carry out signal biography
It is defeated, and the two can be made to share same circuit board land, therefore, the embodiment of the present application can improve embedded touch OLED and show
Device it is lightening, simplify its production technology, save its production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the application embedded touch OLED display first embodiment；
Fig. 2A is the structural representation of a part of structure of the touch control electrode layer of Fig. 1 embodiments；
Fig. 2 B are the integrally-built structural representations of the touch control electrode of Fig. 1 embodiments；
Fig. 3 is the structural representation of another part structure of the touch control electrode layer of Fig. 1 embodiments；
Fig. 4 A are the structural representations of the application embedded touch OLED display second embodiment；
Fig. 4 B are the structural representations of the part-structure of Fig. 4 A embodiments；
Fig. 5 is the structural representation of the application embedded touch OLED display 3rd embodiment；
Fig. 6 A are the structural representations of the application embedded touch OLED display fourth embodiment；
Fig. 6 B are the induction electrode of Fig. 6 A embodiments and the structural representation of driving electrodes；
Fig. 7 is the schematic flow sheet of the preparation method first embodiment of the application embedded touch OLED display；
Fig. 8 is the structural representation of Fig. 7 embodiments；
Fig. 9 is the schematic flow sheet of the preparation method second embodiment of the application embedded touch OLED display；
Figure 10 is the schematic flow sheet of the preparation method 3rd embodiment of the application embedded touch OLED display.
Embodiment
Also referring to Fig. 1, Fig. 2A and Fig. 2 B, Fig. 1 is the application embedded touch OLED display first embodiment
Structural representation；Fig. 2A is the structural representation of a part of structure of the touch control electrode layer of Fig. 1 embodiments；Fig. 2 B are Fig. 1 real
Apply the integrally-built structural representation of the touch control electrode of example.The present embodiment includes：Array base palte 101, organic planarization layer 102,
A plurality of leads 103 and touch control electrode layer 104；Wherein, array base palte 101 is provided with source-drain electrode layer 105, a plurality of leads 103 and source
Drain electrode layer 105 is set with layer；Multiple through holes 106 are provided with organic planarization layer 102；Touch control electrode layer 104 is arranged on organic
Side of the planarization layer 102 away from array base palte 101；And touch control electrode layer 104 by multiple through holes 106 respectively with a plurality of leads
103 connections.
The array base palte 101 of the present embodiment specifically include the guiding film layer 107 set gradually from the bottom to top, cushion 108,
Source and drain region layer 109, first grid insulating barrier 110, first grid 111, second grid insulating barrier 112, second grid 113, medium
Layer 114, these structures are all the common structures of array base palte, are not described in detail here, certainly, can be adopted in other embodiments
Array base palte 101 is replaced with the array base palte of other structures.
Prior art is different from, the embodiment of the present application sets a plurality of leads 103 and source-drain electrode layer 105 with layer, Neng Goushi
Existing touch control electrode layer 104 makes the source and drain of the lead 103 and source-drain electrode layer 105 of touch control electrode layer 104 in source-drain electrode 105 cabling of layer
Electrode cabling is drawn with layer, makes touch control electrode layer 104 not need extra trace layer to carry out signal transmission, and the two can be total to
, can be by the telecommunications of the electric signal of touch control electrode layer 104 and source-drain electrode layer 105 by the land with same circuit board land
Number feeding drive circuit.This structure can reduce the thickness of embedded touch OLED display screen 115, improve that its is lightening, and
Its production technology can be simplified, its production cost is saved.
Alternatively, the present embodiment also includes pixel defining layer 116, is arranged in organic planarization layer 102, and pixel defining layer
116 definition have multiple pixel regions 117；Touch control electrode layer 104 is arranged on pixel defining layer 116 close to organic planarization layer 102
On surface, and for detecting the touch control operation to the present embodiment embedded touch OLED display screen 115.
The touch control electrode layer 104 of the present embodiment is arranged on pixel defining layer 116 on the surface of organic planarization layer 102,
It can be understood as touch control electrode layer 104 not to be embedded in completely, or be partially or completely embedded in the surface of organic planarization layer 102.
Prior art is different from, touch control electrode layer 104 is arranged on pixel defining layer 116 close to organic by the embodiment of the present application
On the surface of flatness layer 102, touch control electrode layer 104 can not only be embedded in OLED display screen, improve the present embodiment and embed
The frivolous property of formula touch-control OLED display；And can improve in OLED display screen positioned at pixel defining layer 116 away from organic
Limitation of the film material performance to touch control electrode layer 104 on the surface of flatness layer 102, so as to reduce in the present embodiment
The technology difficulty of embedded touch-control OLED display, improves its quality.
Alternatively, the present embodiment touch control electrode layer 104 includes arranged in a crossed manner and insulation a plurality of induction electrode 201 and a plurality of
Driving electrodes 202 (as shown in Figure 2 A)；And a plurality of induction electrode 201 and a plurality of driving electrodes 202 are distributed in multiple pixel regions
Between domain at the projection in 117 gap, to reduce blocking to pixel region 117.
Alternatively, it is the electric conductivity and pliability of raising touch control electrode layer 104, a plurality of induction electrode 201 of the present embodiment
And a plurality of driving electrodes 202 are the alloy material of any metal material of Ag, Ti, Al, Mo or any number of metals.Certainly, exist
It can not limited herein with other metal materials, or other alloy materials, or other non-metallic materials in other embodiments.
Alternatively, a plurality of induction electrode 201 and a plurality of driving electrodes 202 of the present embodiment are set with layer, and are arranged at
Pixel defining layer 116 is on the surface of organic planarization layer 102.In order to ensure a plurality of induction electrode 201 and a plurality of driving electrodes
Every driving electrodes 202, can be divided into more piece by 202 mutually insulateds, and set multiple conducting bridges 203 (such as Fig. 2 B), make conducting bridge
203 are located at the top of induction electrode 201, and connection induction electrode 201 and the driving of the both sides of infall 204 of driving electrodes 202
Electrode 202, this mode can be achieved with same layer a plurality of induction electrode 201 arranged in a crossed manner and a plurality of driving electrodes 202 mutually absolutely
Edge；Certainly, in other embodiments, every induction electrode 201 can also be divided into more piece, and set multiple conducting bridges 203 to connect
Induction electrode 201 and the induction electrode 201 of the both sides of infall 204 of driving electrodes 202 are connect, to realize above-mentioned technique effect.When
So, in other embodiments, conducting bridge 301 can be arranged to the lower section (as shown in Figure 3) of induction electrode 302.
Certainly, the present embodiment can also include the protective layer 205 on conducting bridge 203 and shielded and positioned at sense
Answer the insulating barrier 206 of electrode 201 and the lower section of driving electrodes 202.For the structure of Fig. 3 embodiments, it would however also be possible to employ similar expansion
Open up structure.
Alternatively, the through hole 106 of the present embodiment includes multiple first through hole 207 and multiple second through holes 208, multiple first
Through hole 207 and multiple second through holes 208 run through organic planarization layer 102 to source-drain electrode 105 (as shown in Figure 1) of layer, so that a plurality of
Induction electrode 201 is connected by multiple first through hole 207 with corresponding lead 103, and a plurality of driving electrodes 202 pass through multiple second
Through hole 208 is connected with corresponding lead 103.
Alternatively, the present embodiment also includes the other structures for constituting embedded touch OLED display screen 115, is such as arranged on picture
Luminescent layer 118 on plain definition layer 116, and the thin-film encapsulation layer 119 being arranged on luminescent layer 118, it was found from above-mentioned introduction, are touched
Control electrode layer 104 to be located under luminescent layer 118, that is to say, that in the manufacturing process of embedded touch OLED display screen 106, first
Formed touch control electrode layer 104, re-form luminescent layer 118, therefore, it is possible to improve luminescent layer 118 luminous organic material intolerant to height
Limitation of the characteristic of temperature to the manufacturing process high temperature processing procedure of touch control electrode layer 104, so as to reduce embedded touch OLED
The technology difficulty of display device 115, improves its quality.
Alternatively, the luminescent layer 118 of the present embodiment includes cathode layer 120, a plurality of induction electrode 201 and a plurality of driving electrodes
202 form multiple touch control capacitance (not shown)s with cathode layer 120.
Specifically, also referring to Fig. 4 A, Fig. 4 B, Fig. 4 A are that the application embedded touch OLED display second is implemented
The structural representation of example；Fig. 4 B are the structural representations of the part-structure of Fig. 4 A embodiments.The a plurality of induction electrode of the present embodiment
401 and the corresponding position of a plurality of driving electrodes 402 be provided with breakpoint 403, so as to whole each touch control electrode layer 404 is divided into some
Individual independent touch control electrode unit 405.Electric capacity 407 is each formed between touch control unit 401 and cathode layer 406 respectively (such as Fig. 4 B institutes
Show).Each independent touch control electrode unit 405 is connected by the lead 409 of through hole 408 and source-drain electrode layer, and by the lead 409
Extend to land 410.When touching the screen of the present embodiment embedded touch OLED display, electric capacity 407 can be changed
Capacitance；The change of the capacitance can be detected by lead 409, so as to obtain touching position information and perform corresponding behaviour
Make.The present embodiment is not specifically limited to the quantity of the through hole 408 in each touch control unit electrode 405, can be one or two
It is individual or multiple.
Referring to Fig. 5, Fig. 5 is the structural representation of the application embedded touch OLED display 3rd embodiment.This
The difference of embodiment and Fig. 1 embodiments is that touch control electrode layer 501 is arranged on pixel defining layer 502 away from organic planarization layer 503
Surface on.Correspondingly, a plurality of induction electrode and a plurality of driving electrodes of touch control electrode layer 501 are arranged at pixel defining layer
On 502 surfaces away from organic planarization layer 503.Multiple through holes 504 of the present embodiment run through pixel defining layer 502 and organic flat
Smooth layer 503 is to source-drain electrode layer 505, so that a plurality of induction electrode and a plurality of driving electrodes of touch control electrode layer 501 pass through multiple lead to
Hole 504 and corresponding lead 506.It is identical with Fig. 1 embodiments on the other concrete structures of the present embodiment and extension, do not go to live in the household of one's in-laws on getting married here
State.
Also referring to Fig. 6 A, Fig. 6 B, Fig. 6 A are the knots of the application embedded touch OLED display fourth embodiment
Structure schematic diagram；Fig. 6 B are the induction electrode of Fig. 6 A embodiments and the structural representation of driving electrodes.The present embodiment and Fig. 1 embodiments
Difference be that the non-same layer of a plurality of induction electrode 601 and a plurality of driving electrodes 604 is set, specifically, a plurality of induction electrode 601
It is arranged on surface of the pixel defining layer 602 away from organic planarization layer 603, a plurality of driving electrodes 604 are arranged at pixel and determined
Adopted layer 602 is insulated on the surface of organic planarization layer 603, between the two by pixel defining layer 602.Multiple the of the present embodiment
One through hole 604 runs through pixel defining layer 602 and organic planarization layer 603 to source-drain electrode layer 605, so that a plurality of induction electrode 601
Pass through multiple first through hole 604 and corresponding lead 606；Multiple second through holes 607 are through organic planarization layer 603 to source-drain electrode
Layer 605, so that a plurality of driving electrodes 604 pass through multiple second through holes 607 and corresponding lead 606.It is other on the present embodiment
Concrete structure and extension are identical with Fig. 1 embodiments, do not repeat here.
Also referring to Fig. 7, Fig. 8, Fig. 7 is that the preparation method first of the application embedded touch OLED display is implemented
The structural representation of example；Fig. 8 is the structural representation of Fig. 7 embodiments.The present embodiment is used to make the embedded of above-mentioned Fig. 1 embodiments
Formula touch-control OLED display.The present embodiment specifically includes following steps：
Step 701：Array base palte 801 is formed, wherein, array base palte 801 is provided with source-drain electrode layer 802.Array base palte 801
Structure be described in said apparatus embodiment, and the manufacture craft of array base palte 801 can be entered using prior art
OK, here without introducing.
Step 702：A plurality of leads 803 is formed in source-drain electrode layer 802.
Specifically, the source electrode 804 and drain electrode 805 of the source-drain electrode layer 802 of the present embodiment can be adopted with a plurality of leads 803
With with along with technique be made.
Step 703：Organic planarization layer 806 is formed on a plurality of leads 803 and source-drain electrode layer 802.
Step 704：Multiple through holes 807 are formed on organic planarizationization layer 806.
Multiple through holes 807 can with but be not limited to be formed using exposure imaging mode.
Step 705：Touch control electrode layer 808 is formed on 806 surface away from array base palte 801 of organic planarizationization layer；And
Touch control electrode layer 808 is set to be connected respectively with a plurality of leads 803 by multiple through holes 807.
The touch control electrode layer of the present embodiment can with but be not limited to light shield using predetermined pattern, pass through the side of dry etching
Method is formed.
Prior art is different from, the embodiment of the present application sets a plurality of leads 803 and source-drain electrode layer 802 with layer, Neng Goushi
Existing touch control electrode layer 808 makes the source and drain of the lead 803 and source-drain electrode layer 802 of touch control electrode layer 808 in source-drain electrode 802 cabling of layer
Electrode cabling is drawn with layer, makes touch control electrode layer 808 not need extra trace layer to carry out signal transmission, and the two can be total to
, can be by the telecommunications of the electric signal of touch control electrode layer 808 and source-drain electrode layer 802 by the land with same circuit board land
Number feeding drive circuit.This structure can reduce the thickness of embedded touch OLED display screen, improve that its is lightening, and can
Simplify its production technology, save its production cost.
Alternatively, the present embodiment is additionally included in after step 705 on organic planarizationization layer 806 and touch control electrode layer 808
Pixel defining layer 809 and luminescent layer 810 are sequentially formed, with the spy of the non-refractory of the luminous organic material that improves luminescent layer 810
Limitation of the property to the manufacturing process high temperature processing procedure of touch control electrode layer 808.
Referring to Fig. 9, Fig. 9 is the structure of the preparation method second embodiment of the application embedded touch OLED display
Schematic diagram.The present embodiment includes step 901- steps 906.The present embodiment is used for the embedded touch OLED for making Fig. 5 embodiments
Display device.The present embodiment and the difference of Fig. 7 embodiments are, pixel defining layer, Ran Hou are first formed in organic planarization layer
Touch control electrode layer is formed in pixel defining layer so that touch control electrode layer is arranged at surface of the pixel electrode layer away from organic planarization layer
On, and through hole runs through pixel defining layer and organic planarization layer.Other steps of the present embodiment are identical with Fig. 7 embodiments, here not
Repeat.
Referring to Fig. 10, Figure 10 is the knot of the preparation method 3rd embodiment of the application embedded touch OLED display
Structure schematic diagram.The present embodiment is used for the embedded touch OLED display for making Fig. 6 embodiments.The present embodiment includes step
1001- steps 106.The present embodiment and the difference of Fig. 7 embodiments are, the drive of touch control electrode layer is first formed in organic planarization layer
Moving electrode, then forms pixel defining layer in organic planarization layer and driving electrodes, touch-control is finally formed in pixel defining layer
The induction electrode of electrode layer so that the driving electrodes of touch control electrode layer are located at pixel electrode layer with induction electrode close to organic respectively
On the surface of flatness layer and on surface of the pixel electrode layer away from organic planarization layer, and the first through hole of connection driving electrodes runs through
Organic planarization layer, the second through hole of connection induction electrode runs through pixel defining layer and organic planarization layer.Other steps of the present embodiment
Suddenly it is identical with Fig. 7 embodiments, do not repeat here.
Prior art is different from, the embodiment of the present application can improve lightening, the letter of embedded touch OLED display
Change its production technology, save its production cost.
Presently filed embodiment is the foregoing is only, the scope of the claims of the application is not thereby limited, it is every to utilize this
Equivalent structure or equivalent flow conversion that application specification and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is similarly included in the scope of patent protection of the application.
Claims (10)
1. a kind of embedded touch OLED display, it is characterised in that including：
Array base palte, the array base palte is provided with source-drain electrode layer；
A plurality of leads, is set with source-drain electrode layer with layer；
Organic planarizationization layer, is arranged on the source-drain electrode layer and a plurality of leads, sets many in organic planarizationization layer
Individual through hole；
Touch control electrode layer, is arranged on the side of the organic planarizationization layer away from the array base palte；
Wherein, the touch control electrode layer is connected with a plurality of leads respectively by the multiple through hole.
2. display device according to claim 1, it is characterised in that the organic light-emitting display device further comprises：
Pixel defining layer, is arranged in the organic planarization layer, and the touch control electrode layer is arranged on the pixel defining layer and leaned on
On the surface of the nearly organic planarization layer and/or on the surface away from the organic planarization layer, for defining multiple pixel regions；
The touch control electrode layer includes a plurality of induction electrode, a plurality of driving electrodes of intersection and insulation set, a plurality of sensing
Electrode and a plurality of driving electrodes are distributed at the projection in the gap between the pixel region.
3. display device according to claim 2, it is characterised in that the organic light-emitting display device further comprises：
Luminescent layer, is arranged in the pixel defining layer, and it includes cathode layer, a plurality of induction electrode and a plurality of driving
Electrode forms multiple touch control capacitances with the cathode layer.
4. display device according to claim 2, it is characterised in that
The a plurality of induction electrode and a plurality of driving electrodes are any metal material of Ag, Ti, Al, Mo or any number of gold
The alloy material of category.
5. display device according to claim 2, it is characterised in that
The through hole includes multiple first through hole and multiple second through holes, and a plurality of induction electrode is logical by multiple described first
Hole is connected with the corresponding lead, and a plurality of driving electrodes are connected by multiple second through holes with the corresponding lead
Connect.
6. display device according to claim 5, it is characterised in that
The a plurality of induction electrode and a plurality of driving electrodes are respectively arranged on the organic planarization layer close to the pixel
On on the surface of definition layer and surface of the pixel defining layer away from the organic planarization layer, and mutually insulated；
Multiple first through hole run through the pixel defining layer and the organic planarization layer to source-drain electrode layer, so that many
Induction electrode described in bar is connected by multiple first through hole with the corresponding lead；
Multiple second through holes are through the organic planarization layer to the source-drain electrode layer, so that a plurality of driving electrodes are logical
Multiple second through holes are crossed to connect with the corresponding lead.
7. display device according to claim 5, it is characterised in that
The a plurality of induction electrode and a plurality of driving electrodes are set with layer, and are arranged at the organic planarization layer close to institute
State on the surface of pixel defining layer；
Multiple first through hole and multiple second through holes run through the pixel defining layer and the organic planarization layer extremely
The source-drain electrode layer, so that a plurality of induction electrode is connected by multiple first through hole with the corresponding lead；It is many
Driving electrodes described in bar are connected by multiple second through holes with the corresponding lead.
8. display device according to claim 5, it is characterised in that
The a plurality of induction electrode and a plurality of driving electrodes are set with layer, and are arranged at the organic planarization layer close to institute
State on the surface of pixel defining layer；
Multiple first through hole and multiple second through holes run through the organic planarization layer to source-drain electrode layer, so that
The a plurality of induction electrode is connected by multiple first through hole with the corresponding lead；The a plurality of driving electrodes pass through
Multiple second through holes are connected with the corresponding lead.
9. a kind of preparation method of embedded touch OLED display, it is characterised in that including：
Form the array base palte for being provided with source-drain electrode region layer；
A plurality of leads is formed in the source-drain electrode region layer；
Organic planarization layer is formed on a plurality of leads and source-drain electrode layer；
Multiple through holes are formed on organic planarizationization layer；
Touch control electrode layer is formed on organic planarizationization layer；And the touch control electrode layer is distinguished by the multiple through hole
It is connected with a plurality of leads.
10. preparation method according to claim 9, it is characterised in that
Organic luminous layer is formed on the touch control electrode layer.
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| CN108415614A (en) * | 2018-04-26 | 2018-08-17 | 京东方科技集团股份有限公司 | touch display substrate and preparation method thereof |
| CN109491542A (en) * | 2018-11-01 | 2019-03-19 | 信利（惠州）智能显示有限公司 | Touch control display apparatus |
| CN109713020A (en) * | 2019-01-18 | 2019-05-03 | 京东方科技集团股份有限公司 | Display base plate and preparation method thereof, display device |
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| CN110658949A (en) * | 2019-08-29 | 2020-01-07 | 武汉华星光电半导体显示技术有限公司 | Touch display panel, preparation method thereof and touch display device |
| US11068114B2 (en) | 2019-05-27 | 2021-07-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel, manufacturing method thereof, and display device |
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Application publication date: 20171020 |