CN112349761A - Display panel, manufacturing method and display device - Google Patents
Display panel, manufacturing method and display device Download PDFInfo
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- CN112349761A CN112349761A CN202011252471.3A CN202011252471A CN112349761A CN 112349761 A CN112349761 A CN 112349761A CN 202011252471 A CN202011252471 A CN 202011252471A CN 112349761 A CN112349761 A CN 112349761A
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000010410 layer Substances 0.000 claims abstract description 228
- 239000010409 thin film Substances 0.000 claims abstract description 27
- 239000002346 layers by function Substances 0.000 claims abstract description 18
- 238000005538 encapsulation Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 86
- 238000002161 passivation Methods 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000011229 interlayer Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- -1 silicon oxide compound Chemical class 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical group [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
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- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- POFWRMVFWIJXHP-UHFFFAOYSA-N n-benzyl-9-(oxan-2-yl)purin-6-amine Chemical compound C=1C=CC=CC=1CNC(C=1N=C2)=NC=NC=1N2C1CCCCO1 POFWRMVFWIJXHP-UHFFFAOYSA-N 0.000 description 1
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 1
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- 229910001887 tin oxide Inorganic materials 0.000 description 1
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- 239000011787 zinc oxide Substances 0.000 description 1
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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
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the application provides a display panel and a display device, display panel's first touch electrode sets up first face, first touch electrode is transparent electrode, and thin film transistor layer sets up the one side of first base plate is kept away from to first touch electrode, and luminous functional layer sets up thin film transistor layer is kept away from the one side of first base plate, the encapsulated layer sets up luminous functional layer is kept away from the one side of first base plate, second touch electrode sets up the encapsulated layer is kept away from the one side of first base plate, the second base plate sets up second touch electrode keeps away from the one side of first base plate. This application is through increasing transparent electrode in the first face of first base plate to and make touch-control electrode on the encapsulation, reduced display panel thickness like this, can avoid the display panel mesolamella to take place to separate like this when buckling.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display panel, a manufacturing method, and a display device.
Background
Active Matrix Organic Light Emitting Diodes (AMOLEDs) are expected to replace liquid crystal as the mainstream choice of next generation displays due to the characteristics of high contrast, wide viewing angle, fast response speed, flexibility and the like.
The touch control method of the current large-size OLED panel generally adopts an externally-hung type, that is, the touch sensor is arranged at the outer side of the liquid crystal layer, although the externally-hung type touch control method has a simple structure, the cost for manufacturing the display panel is relatively high and the thickness is thick, and the increase of the thickness of the display panel easily causes the separation of a film layer in the display panel in the bending process of the display panel.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a display panel capable of preventing the separation of the film layers in the display panel.
Disclosure of Invention
The embodiment of the application provides a display panel, a manufacturing method and a display device, which can avoid the problem of panel falling.
An embodiment of the present application provides a display panel, including:
the first substrate is provided with a first surface and a second surface which are oppositely arranged;
the first touch electrode is arranged on the first surface and is a transparent electrode;
the thin film transistor layer is arranged on one surface, far away from the first substrate, of the first touch electrode;
the light-emitting functional layer is arranged on one surface of the thin film transistor layer, which is far away from the first substrate;
the packaging layer is arranged on one surface, far away from the first substrate, of the light-emitting functional layer;
the second touch electrode is arranged on one surface, far away from the first substrate, of the packaging layer;
the second substrate is arranged on one surface, far away from the first substrate, of the second touch electrode.
In some embodiments, the first touch electrode extends in a first direction, the second touch electrode extends in a second direction, and the first direction intersects the second direction.
In some embodiments, the first touch electrode and the second touch electrode are both provided with a gap.
In some embodiments, the first touch electrode includes a first polygonal trace arranged along a first direction, the second touch electrode includes a second polygonal trace arranged along a second direction, and an intersection of the first polygonal trace and the second polygonal trace forms a capacitive node.
In some embodiments, the display device further includes a light shielding layer disposed between the first touch electrode and the thin film transistor layer, and the light shielding layer covers a gap of the first touch electrode.
In some embodiments, the thin film transistor includes a buffer layer, a semiconductor layer, an interlayer dielectric layer, an insulating layer, a metal layer, and a source drain layer, the buffer layer is disposed on a surface of the first touch electrode layer away from the first substrate and covers the light shielding layer, the semiconductor layer is disposed on a surface of the buffer layer away from the first substrate, the insulating layer is disposed on a surface of the semiconductor layer away from the first substrate, the metal layer is disposed on a surface of the insulating layer away from the first substrate, the interlayer dielectric layer is disposed on a surface of the buffer layer away from the first substrate and covers the semiconductor layer, the insulating layer, and the source drain layer is disposed on a surface of the interlayer dielectric layer away from the first substrate and is connected with the semiconductor layer through a contact hole.
In some embodiments, the light emitting function layer includes a passivation layer, a pixel layer, an anode layer, a pixel defining layer, an organic light emitting layer, and a cathode layer, the passivation layer is disposed on a side of the interlayer dielectric layer away from the first substrate, and covers the source drain layer, the pixel layer is arranged on one surface of the passivation layer far away from the first substrate, the anode layer is arranged on one surface of the pixel layer far away from the first substrate and is connected with the source drain layer, the pixel defining layer is arranged on one side of the passivation layer far away from the first substrate, the pixel defining layer and the pixel layer are arranged in a staggered mode, and partially covering the anode layer, the organic light-emitting layer is arranged on the pixel defining layer and one surface of the anode layer far away from the first substrate, and the cathode layer is arranged on one surface of the organic light-emitting layer far away from the first substrate.
In some embodiments, the cathode layer is made of aluminum.
The embodiment of the present application further provides a manufacturing method of a display panel, including:
providing a first substrate, wherein the first substrate is provided with a first surface and a second surface which are oppositely arranged;
arranging a first touch electrode on the first surface, wherein the first touch electrode is a transparent electrode;
arranging a thin film transistor layer on one surface of the first touch electrode, which is far away from the first substrate;
arranging a light-emitting functional layer on one surface of the thin film transistor layer far away from the first substrate;
arranging an encapsulation layer on one surface of the light-emitting function layer, which is far away from the first substrate;
and arranging a second substrate on one surface of the second touch electrode, which is far away from the first substrate.
The embodiment of the application further provides a display device, which comprises a display panel, wherein the display panel is the display panel.
The embodiment of the application provides a display panel and display device, display panel include first base plate, first touch-control electrode, thin film transistor layer, luminous functional layer, encapsulation layer, second touch-control electrode, and the second base plate, first base plate have relative first face and the second face that sets up, and first touch-control electrode sets up first face, first touch-control electrode is transparent electrode, and thin film transistor layer sets up the one side of first base plate is kept away from to first touch-control electrode, and luminous functional layer sets up the thin film transistor layer is kept away from the one side of first base plate, the encapsulation layer sets up luminous functional layer is kept away from the one side of first base plate, second touch-control electrode sets up the encapsulation layer is kept away from the one side of first base plate, the second base plate sets up second touch-control electrode is kept away from the one side of first base plate. This application is through increasing transparent electrode in the first face of first base plate to and make touch-control electrode on the encapsulation, form the multicell touch-control display panel, reduced the thickness of display panel like this, can avoid the separation of membranous layer emergence in the display panel when buckling like this.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application.
Fig. 2 is another schematic structural diagram of a display panel according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present application.
Fig. 4 is a schematic flow chart illustrating a display panel manufacturing method according to an embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application.
The embodiments of the present application provide a display panel, a manufacturing method and a display device, and the display panel will be described in detail below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure. The display panel 10 includes a first substrate 11, a first touch electrode 12, a thin film transistor layer 13, a light-emitting functional layer 14, a packaging layer 15, a second touch electrode 16, and a second substrate 17, the first substrate 11 has a first surface 11a and a second surface 11b opposite to each other, the first touch electrode 12 is disposed on the first surface 11a, first touch-control electrode 12 is transparent electrode, and thin-film transistor layer 13 sets up first touch-control electrode 12 keeps away from the one side of first base plate 11, and luminous functional layer 14 sets up thin-film transistor layer 13 keeps away from the one side of first base plate 11, and encapsulation layer 15 sets up luminous functional layer 14 keeps away from the one side of first base plate 11, and second touch-control electrode 16 sets up encapsulation layer 15 keeps away from the one side of first base plate 11, and second base plate 17 sets up second touch-control electrode 16 keeps away from the one side of first base plate 11.
The first surface 11a is an upper surface of the first substrate 11, and the second surface 11b is a lower surface of the first substrate 11. Of course, the first surface 11a may be a lower surface of the first substrate 11, and the second surface 11b may be an upper surface of the first substrate 11. In addition, the first substrate 11 is a glass substrate.
It can be understood that the first touch electrode 12 is located at the bottom of the display panel 10, the second touch electrode 16 is located at the upper portion of the display panel 10, and a self-capacitance touch manner is formed by the first touch electrode 12 and the second touch electrode 16, so that an externally-hung touch sensor is not required to be added at the outer side of the second substrate 17, the overall thickness of the display panel 10 can be reduced by the manner, separation of a film layer in the display panel 10 can be avoided during bending, the multicell touch display panel 10 panel can be formed in the application, and touch scanning is performed in a Blank area displayed in each frame, so that touch accuracy is guaranteed, and display brightness is not affected.
Referring to fig. 2, fig. 2 is another schematic structural diagram of a display panel according to an embodiment of the present disclosure. The first touch electrode 12 extends along a first direction, and the second touch electrode 16 extends along a second direction, where the first direction intersects with the second direction.
It should be noted that the touch electrode routing manner provided in the embodiment of the present application is a self-capacitance touch manner, and a metal mesh routing manner is adopted, and different conductive circuit modules are usually etched on two layers of conductive material coatings, that is, the first touch electrode 12 and the second touch in the embodiment of the present application. The etched patterns of the first touch and the second touch are perpendicular to each other, and the etched patterns may be diamond-shaped. And since the first touch electrode 12 and the second touch electrode 16 are constructed on different layers, a capacitance node is formed at the intersection. In operation, the first touch electrodes 12 can be used as driving lines, and the second touch electrodes 16 can be used as detecting lines. When current passes through one of the driving lines, if there is a signal of capacitance change from the outside, the capacitance node on the electrode line in the other direction will change. The variation of the detected capacitance can be obtained by the loop measurement connected with the controller, and then converted into digital signals by the controller to make the computer perform calculation processing to obtain the position, thereby achieving the purpose of positioning. By adopting the metal mesh wiring mode, the self-capacitance touch sensing module can realize low resistance, high transmittance and high stability, and the metal mesh wiring mode has thinner film layer, so that the self-capacitance touch sensing module has flexibility and is suitable for the development requirement of a flexible panel.
Wherein, the first touch electrode 12 and the second touch electrode 16 are both provided with a gap 19.
The first touch electrode 12 includes a first polygonal trace arranged along a first direction, the second touch electrode 16 includes a second polygonal trace arranged along a second direction, and an intersection of the first polygonal trace and the second polygonal trace forms a capacitive node.
It should be noted that, when a conductor such as a finger touches the touch panel, the first touch electrode 12 and the second touch electrode 16 at the touch position are capacitively coupled with the finger and then form two electrodes of a capacitor, respectively, and the coordinates of the touch position are mainly obtained by alternately scanning the first touch electrode 12 and the second touch electrode 16, for example, the first touch electrode 12 may be scanned first, and then the second touch electrode 16 may be scanned one by one.
The first direction is a direction extending along the x-axis, and the second direction is a direction extending along the y-axis. Of course, the first direction may also be a direction extending along the y-axis, and the second direction may also be a direction extending along the x-axis. In a case where this embodiment is not described, the default first direction is a direction extending along the x-axis, and the second direction is a direction extending along the y-axis.
According to the touch control sensing module, the scanning period can be shortened by adopting the self-capacitance touch control sensing module, the scanning speed is accelerated, and the touch control sensing efficiency is improved.
The touch display panel further comprises a light shielding layer 18, wherein the light shielding layer 18 is arranged between the first touch electrode 12 and the thin film transistor layer 13, and the light shielding layer 18 covers a gap 19 of the first touch electrode 12.
Referring to fig. 3, fig. 3 is a schematic view of another structure of a display panel according to an embodiment of the present disclosure. The thin film transistor comprises a buffer layer 131, a semiconductor layer 132, an interlayer dielectric layer 133, an insulating layer 134, a metal layer 135 and a source drain layer 136, wherein the buffer layer 131 is arranged on one surface of the first touch electrode 12 layer far away from the first substrate 11 and covers the shading layer 18, the semiconductor layer 132 is arranged on one surface of the buffer layer 131 far away from the first substrate 11, the insulating layer 134 is arranged on one surface of the semiconductor layer 132 far away from the first substrate 11, the metal layer 135 is arranged on one surface of the insulating layer 134 far away from the first substrate 11, the interlayer dielectric layer 133 is arranged on one surface of the buffer layer 131 far away from the first substrate 11 and covers the semiconductor layer 132, the insulating layer 134 and the metal layer 135, and the source drain layer 136 is arranged on one surface of the interlayer dielectric layer 133 far away from the first substrate 11, the source drain layer 136 is connected to the semiconductor layer 132 through a contact hole.
Note that the material used for the semiconductor layer 132 is a transparent metal oxide, and specifically, may be Indium Gallium Zinc Oxide (IGZO), Indium Zinc Tin Oxide (IZTO), Indium Gallium Zinc Tin Oxide (IGZTO), Indium Tin Oxide (ITO), Indium Zinc Oxide (IZO), Indium Aluminum Zinc Oxide (IAZO), Indium Gallium Tin Oxide (IGTO), or Antimony Tin Oxide (ATO)Any one of (1). The above materials have good conductivity and transparency, and are small in thickness, and do not affect the overall thickness of the display panel 10. Meanwhile, the electronic radiation and ultraviolet and infrared light which are harmful to human bodies can be reduced. The thickness of the semiconductor layer 132 is
To
Specifically, the thickness of the semiconductor layer 132 is
Or
The insulating layer 134 may have a single-layer or multi-layer structure, and the material used for the insulating layer 134 is a silicon oxide compound, a silicon nitride compound, or a combination thereof. For example, in the multilayer structure of the insulating layer 134, a multilayer structure of a layer of a silicon oxide compound and a layer of a silicon nitride compound can be employed.
The light emitting function layer 14 includes a passivation layer 141, a pixel layer 142, an anode layer 143, a pixel defining layer 144, an organic light emitting layer 145 and a cathode layer 146, the passivation layer 141 is disposed on a surface of the interlayer dielectric layer 133 away from the first substrate 11 and covers the source and drain layers 136, the pixel layer 142 is disposed on a surface of the passivation layer 141 away from the first substrate 11, the anode layer 143 is disposed on a surface of the pixel layer 142 away from the first substrate 11, the anode layer 143 is connected to the source and drain layers 136, the pixel defining layer 144 is disposed on a surface of the passivation layer 141 away from the first substrate 11, the pixel defining layer 144 and the pixel layer 142 are staggered and partially cover the anode layer 143, and the organic light emitting layer 145 is disposed on surfaces of the pixel defining layer 144 and the anode layer 143 away from the first substrate 11, the cathode layer 146 is disposed on a surface of the organic light emitting layer 145 away from the first substrate 11.
The passivation layer 141 may have a single-layer or multi-layer structure, and the material used for the passivation layer 141 is a silicon oxide compound, a silicon nitride compound, or a combination thereof. For example, in the multilayer structure of the passivation layer 141, a multilayer structure of a layer of a silicon oxide compound and a layer of a silicon nitride compound may be employed.
In addition, the passivation layer 141 may be provided with a groove, and the pixel layer 142 is disposed in the groove, so that the thickness of the pixel layer 142 may be reduced, thereby reducing the overall thickness of the display panel 10. In addition, the upper surface of the pixel layer 142 disposed in the groove is flush with the upper surface of the passivation layer.
The cathode layer 146 is made of aluminum.
The display panel 10 includes a first substrate 11, a first touch electrode 12, a thin-film transistor layer 13, a light-emitting functional layer 14, an encapsulation layer 15, a second touch electrode 16, and a second substrate 17, the first substrate 11 has a first surface 11a and a second surface 11b opposite to each other, the first touch electrode 12 is disposed on the first surface 11a, first touch-control electrode 12 is transparent electrode, and thin-film transistor layer 13 sets up first touch-control electrode 12 keeps away from the one side of first base plate 11, and luminous functional layer 14 sets up thin-film transistor layer 13 keeps away from the one side of first base plate 11, and encapsulation layer 15 sets up luminous functional layer 14 keeps away from the one side of first base plate 11, and second touch-control electrode 16 sets up encapsulation layer 15 keeps away from the one side of first base plate 11, and second base plate 17 sets up second touch-control electrode 16 keeps away from the one side of first base plate 11. This application is through increasing transparent electrode at first face 11a of first base plate 11 to and make touch-control electrode on the encapsulation, form the touch-control display panel 10 of acell, reduced display panel 10's thickness like this, can avoid the separation to take place for the rete in display panel 10 when buckling like this.
Referring to fig. 4, fig. 4 is a schematic flow chart illustrating a display panel manufacturing method according to an embodiment of the present disclosure. An embodiment of the present application provides a display panel manufacturing method, including:
201. providing a first substrate, wherein the first substrate is provided with a first surface and a second surface which are oppositely arranged.
202. And arranging a first touch electrode on the first surface, wherein the first touch electrode is a transparent electrode.
203. And arranging a thin film transistor layer on one surface of the first touch electrode, which is far away from the first substrate.
204. And arranging a light-emitting functional layer on one surface of the thin film transistor layer far away from the first substrate.
205. And arranging an encapsulation layer on one surface of the light-emitting function layer, which is far away from the first substrate.
The encapsulation layer is SiO or a SiO/SiN combination.
206. And arranging a second substrate on one surface of the second touch electrode, which is far away from the first substrate.
By adopting the display panel processing method provided by the embodiment of the application, the first touch electrode is positioned at the bottom of the display panel, the second touch electrode is positioned at the upper part of the display panel, and a self-capacitance touch mode is formed by the first touch electrode and the second touch electrode, so that an externally-hung touch sensor is not required to be added on the outer side of the second substrate, the overall thickness of the display panel can be reduced by the mode, the separation of a film layer in the display panel can be avoided during bending, the application can form an include touch display panel, and touch scanning is carried out in a Blank area displayed in each frame, so that the touch precision is ensured, and the display brightness is not influenced.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a display device according to an embodiment of the present disclosure. The display panel 100 includes the display panel 10 and the package structure 20, and the display panel 100 may further include other devices. The package structure 20 and other devices and their assembly in the embodiments of the present application are well known to those skilled in the art and will not be described herein in detail. The display panel has been described in detail in the above embodiments, and therefore, the display panel is not described in detail in this embodiment.
The transparent electrode is additionally arranged on the first face of the first substrate, the touch electrode is manufactured on the package, the cell touch display panel is formed, the thickness of the display panel is reduced, and the separation of the film layer in the display panel can be avoided when the display panel is bent.
The display panel, the manufacturing method and the display device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are described herein using specific examples, which are only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A display panel, comprising:
the first substrate is provided with a first surface and a second surface which are oppositely arranged;
the first touch electrode is arranged on the first surface and is a transparent electrode;
the thin film transistor layer is arranged on one surface, far away from the first substrate, of the first touch electrode;
the light-emitting functional layer is arranged on one surface of the thin film transistor layer, which is far away from the first substrate;
the packaging layer is arranged on one surface, far away from the first substrate, of the light-emitting functional layer;
the second touch electrode is arranged on one surface, far away from the first substrate, of the packaging layer;
the second substrate is arranged on one surface, far away from the first substrate, of the second touch electrode.
2. The display panel according to claim 1, wherein the first touch electrode extends in a first direction, wherein the second touch electrode extends in a second direction, and wherein the first direction intersects the second direction.
3. The display panel according to claim 1, wherein the first touch electrode and the second touch electrode are provided with a gap.
4. The display panel according to claim 2, wherein the first touch electrode includes a first polygonal trace arranged along a first direction, the second touch electrode includes a second polygonal trace arranged along a second direction, and an intersection of the first polygonal trace and the second polygonal trace forms a capacitive node.
5. The display panel according to claim 4, further comprising a light-shielding layer disposed between the first touch electrode and the thin-film transistor layer, wherein the light-shielding layer covers a gap of the first touch electrode.
6. The display panel according to claim 5, wherein the thin film transistor comprises a buffer layer, a semiconductor layer, an interlayer dielectric layer, an insulating layer, a metal layer, and a source drain layer, the buffer layer is arranged on one surface of the first touch electrode layer far away from the first substrate, and covers the light-shielding layer, the semiconductor layer is arranged on one surface of the buffer layer far away from the first substrate, the insulating layer is arranged on one surface of the semiconductor layer, which is far away from the first substrate, the metal layer is arranged on one surface of the insulating layer, which is far away from the first substrate, the interlayer dielectric layer is arranged on one surface of the buffer layer, which is far away from the first substrate, and the source drain layer is arranged on one surface of the interlayer dielectric layer far away from the first substrate and is connected with the semiconductor layer through a contact hole.
7. The display panel according to claim 6, wherein the light emitting function layer includes a passivation layer, a pixel layer, an anode layer, a pixel defining layer, an organic light emitting layer, and a cathode layer, the passivation layer is disposed on a side of the interlayer dielectric layer away from the first substrate, and covers the source drain layer, the pixel layer is arranged on one surface of the passivation layer far away from the first substrate, the anode layer is arranged on one surface of the pixel layer far away from the first substrate and is connected with the source drain layer, the pixel defining layer is arranged on one side of the passivation layer far away from the first substrate, the pixel defining layer and the pixel layer are arranged in a staggered mode, and partially covering the anode layer, the organic light-emitting layer is arranged on the pixel defining layer and one surface of the anode layer far away from the first substrate, and the cathode layer is arranged on one surface of the organic light-emitting layer far away from the first substrate.
8. The display panel according to claim 7, wherein the cathode layer is made of aluminum.
9. A method for manufacturing a display panel includes:
providing a first substrate, wherein the first substrate is provided with a first surface and a second surface which are oppositely arranged;
arranging a first touch electrode on the first surface, wherein the first touch electrode is a transparent electrode;
arranging a thin film transistor layer on one surface of the first touch electrode, which is far away from the first substrate;
arranging a light-emitting functional layer on one surface of the thin film transistor layer far away from the first substrate;
arranging an encapsulation layer on one surface of the light-emitting function layer, which is far away from the first substrate;
and arranging a second substrate on one surface of the second touch electrode, which is far away from the first substrate.
10. A display device comprising the display panel according to any one of claims 1 to 8.
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| CN202011252471.3A CN112349761A (en) | 2020-11-11 | 2020-11-11 | Display panel, manufacturing method and display device |
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Application publication date: 20210209 |