CN110851019A - Manufacturing method of touch display panel, touch display panel and display device - Google Patents
Manufacturing method of touch display panel, touch display panel and display device Download PDFInfo
- Publication number
- CN110851019A CN110851019A CN201911096278.2A CN201911096278A CN110851019A CN 110851019 A CN110851019 A CN 110851019A CN 201911096278 A CN201911096278 A CN 201911096278A CN 110851019 A CN110851019 A CN 110851019A
- Authority
- CN
- China
- Prior art keywords
- layer
- back plate
- opening
- touch
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
Abstract
The application discloses a manufacturing method of a touch display panel, the touch display panel and a display device, and belongs to the technical field of display. The method comprises the following steps: providing a back plate, wherein the back plate is provided with an area to be perforated; sequentially forming a luminescent material layer and a packaging layer on the back plate; forming a first opening on the luminescent material layer and the packaging layer, wherein the area to be opened is positioned in the orthographic projection of the first opening on the back plate; forming a shielding inorganic layer on the backboard on which the luminescent material layer with the first opening and the packaging layer are formed, wherein the hole wall of the first opening and the area to be opened are covered by the shielding inorganic layer; and forming a through hole penetrating through the shielding inorganic layer and the area to be perforated. This application covers the pore wall of this trompil through inorganic layer, is provided with the through-hole that is used for exposing the camera on inorganic layer and the backplate. Under the structure, the side surface of the luminescent material layer at the opening is protected by the inorganic layer and is not exposed to the external environment. The effect of prolonging the service life of the touch display panel is achieved.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a method for manufacturing a touch display panel, and a display device.
Background
The touch display panel generally includes a display panel and a touch structure located on a light-emitting side of the display panel. At present, in order to pursue a high screen ratio, a through hole for disposing a camera is formed on a touch display panel.
Disclosure of Invention
The embodiment of the application provides a manufacturing method of a touch display panel, the touch display panel and a display device. The technical scheme is as follows:
according to an aspect of the present application, there is provided a method of manufacturing a touch display panel, the method including:
providing a back plate, wherein the back plate is provided with an area to be perforated;
sequentially forming a luminescent material layer and a packaging layer on the back plate;
forming a first opening on the luminescent material layer and the packaging layer, wherein the area to be opened is positioned in the orthographic projection of the first opening on the back plate;
forming a shielding inorganic layer on the backboard on which the luminescent material layer with the first opening and the packaging layer are formed, wherein the hole wall of the first opening and the area to be opened are covered by the shielding inorganic layer;
and forming a through hole penetrating through the shielding inorganic layer and the area to be perforated.
Optionally, forming a shielding inorganic layer on the back plate on which the luminescent material layer and the encapsulation layer are formed, includes:
forming a first composite structure layer on the backboard on which the light-emitting material layer and the packaging layer are formed, wherein the first composite structure layer comprises a first inorganic layer and a first touch routing pattern which are laminated along a direction away from the backboard, and the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer;
forming a first touch routing open hole on the first touch routing pattern, wherein the area to be opened is located in the orthographic projection of the first touch routing open hole on the back plate.
Optionally, the sequentially forming a light emitting material layer and an encapsulation layer on the back plate includes:
forming the luminescent material layer, the electrode layer and the packaging layer on the back plate in sequence;
the forming a first opening on the luminescent material layer and the encapsulation layer includes:
forming a second inorganic layer on the back plate on which the encapsulation layer is formed;
forming a second opening on the second inorganic layer and the packaging layer through a patterning process, wherein the area to be opened is located in the orthographic projection of the second opening on the back plate;
forming a second touch routing pattern on the back plate on which the second inorganic layer with the second opening is formed;
forming a third opening on the second touch routing pattern, the electrode layer and the light-emitting material layer through a composition process, wherein the area to be opened is located in the orthographic projection of the third opening on the back plate.
Optionally, the area to be perforated of the back plate has a back plate inorganic layer, and the shielding inorganic layer is connected with the back plate inorganic layer.
Optionally, the material of the planarization layer comprises an organic material.
Optionally, the first touch routing pattern includes a composite film layer formed by a titanium metal layer, an aluminum metal layer, and a titanium metal layer.
Optionally, the forming a through hole penetrating through the blocking inorganic layer and the to-be-perforated region includes:
and forming a through hole penetrating through the shielding inorganic layer and the area to be perforated by a laser drilling process.
Optionally, the sequentially forming a light emitting material layer and an encapsulation layer on the back plate includes:
forming the luminescent material layer, the electrode layer and the packaging layer on the back plate in sequence;
the forming a first opening on the luminescent material layer and the encapsulation layer includes:
forming a second inorganic layer on the back plate on which the encapsulation layer is formed;
forming a second opening on the second inorganic layer and the packaging layer through a patterning process, wherein the area to be opened is located in the orthographic projection of the second opening on the back plate;
forming a second touch routing pattern on the back plate on which the second inorganic layer is formed;
forming a third opening on the second touch routing pattern, the electrode layer and the luminescent material layer through a composition process, wherein the area to be opened is located in the orthographic projection of the third opening on the back plate;
forming a shielding inorganic layer on the back plate on which the luminescent material layer and the encapsulation layer are formed, including:
forming a first composite structure layer on the backboard with the third opening, wherein the first composite structure layer comprises a first inorganic layer and a first touch routing pattern which are stacked along a direction far away from the backboard, and the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer;
forming a first touch routing open hole on the first touch routing pattern, wherein the area to be opened is located in the orthographic projection of the first touch routing open hole on the back plate.
According to another aspect of the present application, there is provided a touch display panel including:
a back plate having an area to be perforated;
the backboard is sequentially provided with a light-emitting material layer and a packaging layer, the light-emitting material layer and the packaging layer are provided with first openings, and the area to be opened is positioned in the orthographic projection of the first openings on the backboard;
a shielding inorganic layer is arranged on the back plate provided with the luminescent material layer with the first opening and the packaging layer, and the hole wall of the first opening and the area to be opened are covered by the shielding inorganic layer;
the shielding inorganic layer and the area to be perforated are provided with through holes.
Optionally, a first composite structure layer is disposed on the back panel on which the light emitting material layer and the encapsulation layer are disposed, the first composite structure layer includes a first inorganic layer and a first touch routing pattern stacked in a direction away from the back panel, the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer, a first touch routing opening is formed in the first touch routing pattern, and the area to be opened is located in an orthographic projection of the first touch routing opening on the back panel.
Optionally, the area to be perforated of the back plate has a back plate inorganic layer, and the shielding inorganic layer is connected with the back plate inorganic layer.
Optionally, at least one second composite structure layer with composite through holes is arranged on the back plate provided with the first composite structure layer, each second composite structure layer includes a third inorganic layer and a third touch wiring layer which are stacked, and the area to be perforated is located in the orthographic projection of the composite through holes on the back plate.
Optionally, a flat layer is disposed on the back plate on which the first touch trace pattern is disposed;
the through hole penetrates through the flat layer, the shielding inorganic layer and the area to be perforated.
Optionally, an electrode layer is arranged between the luminescent material layer and the packaging layer;
the back plate provided with the light-emitting material layer and the packaging layer is provided with a first composite structure layer, the first composite structure layer comprises a first inorganic layer and a first touch wiring pattern which are stacked along the direction far away from the back plate, the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer, a first touch wiring opening is formed in the first touch wiring pattern, and the area to be opened is located in the orthographic projection of the first touch wiring opening on the back plate;
the first composite structure layer and the packaging layer are provided with a second inorganic layer and a second touch wiring pattern in a stacked mode, the second inorganic layer and the packaging layer are provided with second openings, the second touch wiring pattern, the electrode layer and the luminescent material layer are provided with third openings, the area to be opened is located in the orthographic projection of the second opening on the back plate, and the area to be opened is located in the orthographic projection of the third opening on the back plate.
According to another aspect of the present application, a display device is provided, wherein the display device includes the touch display panel.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
in the method, an opening is formed on a luminescent material layer, the hole wall of the opening is covered by an inorganic layer, and then through holes for exposing a camera are formed on the inorganic layer and a back plate. Under the structure, the side surface of the luminescent material layer at the opening is protected by the inorganic layer and is not exposed to the external environment. The problem of the lower life-span of touch-control display panel among the correlation technique is solved. The effect of prolonging the service life of the touch display panel is achieved.
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 touch display panel in the related art.
Fig. 2 is a flowchart of a method for manufacturing a touch display panel according to an embodiment of the present disclosure.
Fig. 3 is a flowchart of another method for manufacturing a touch display panel according to an embodiment of the present disclosure.
FIG. 4 is a schematic diagram of a structure on a back plate in the embodiment shown in FIG. 3.
Fig. 5 is a schematic view of another structure on the back plate in the embodiment shown in fig. 3.
FIG. 6 is a schematic view of another structure on the back plate in the embodiment shown in FIG. 3.
Fig. 7 is a schematic view of another structure on the back plate in the embodiment shown in fig. 3.
Fig. 8 is a schematic view of another structure on the back plate in the embodiment shown in fig. 3.
Fig. 9 is a schematic structural diagram of a touch display panel in the embodiment shown in fig. 3.
Fig. 10 is a schematic structural diagram of a touch display panel in the embodiment shown in fig. 3.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a touch display panel in the related art. The touch display panel includes a back plate 11, a light emitting material layer 12, an encapsulation layer 13, a first inorganic layer 14, a first touch electrode layer 15, a second inorganic layer 16, a second touch electrode layer 17, and an organic layer 18.
The touch display panel has a camera opening 19. The camera opening 19 penetrates through the back plate 11, the light emitting material layer 12, the encapsulation layer 13, the first inorganic layer 14, the first touch electrode layer 15, the second inorganic layer 16, the second touch electrode layer 17, and the organic layer 18. The side of the back plate 11 away from the light emitting material layer 12 can be used to provide a camera, which can be exposed at the camera opening 19 and acquire an image of the side of the organic layer 18 away from the back plate in the touch display panel.
However, the side of the light emitting material layer 12 at the opening 19 is exposed to the external environment, and the light emitting material layer 12 is usually easily damaged by the corrosion of the external water and oxygen, which results in a short lifetime of the touch display panel.
The embodiment of the application provides a manufacturing method of a touch display panel, the touch display panel and a display device.
Fig. 2 is a flowchart of a method for manufacturing a touch display panel according to an embodiment of the present disclosure. The method may include the following steps:
In summary, in the method for manufacturing a touch display panel provided in the embodiment of the present application, an opening is formed on a light emitting material layer, then, an inorganic layer covers a hole wall of the opening, and then, through holes for exposing a camera are formed on the inorganic layer and a back plate. Under the structure, the side surface of the luminescent material layer at the opening is protected by the inorganic layer and is not exposed to the external environment. The problem of the lower life-span of touch-control display panel among the correlation technique is solved. The effect of prolonging the service life of the touch display panel is achieved
Fig. 3 is a flowchart of another method for manufacturing a touch display panel according to an embodiment of the present disclosure. The method may include the following steps:
The area to be perforated can be a predetermined area for perforating to set the camera. The back plate may be an array substrate. The array substrate generally includes a substrate and a Thin Film Transistor (TFT) array on the substrate, and the TFT array may not be disposed in the region to be opened.
The light emitting material layer may be a structural layer made of an Electroluminescent (EL) material, the EL material is a material capable of emitting light under the driving of an electric field, and different EL materials may emit light of different colors. However, the EL material is generally fragile and easily affected and destroyed by various factors (such as water, oxygen, etc.) in the external environment.
One function of the encapsulation layer is to protect the light-emitting material layer from being damaged by the external environment. The Encapsulation layer may be a Thin Film Encapsulation (TFE) layer.
The electrode layer may be one electrode of the layer of light emitting material, for example the cathode, and the other electrode of the layer of light emitting material may be located in the back plate.
The material of the second inorganic layer may include silicon nitride (SiNx).
As shown in fig. 4, it is a schematic diagram of the structure on the back plate at the end of step 303. The back plate 31 is formed with a light emitting material layer 32, an electrode layer 33, a packaging layer 34, and a second inorganic layer 35.
And 304, forming a second opening on the second inorganic layer and the packaging layer through a patterning process, wherein the area to be opened is positioned in the orthographic projection of the second opening on the back plate.
The packaging layer is generally composed of a multi-layer composite film layer of an organic film and an inorganic film, so that a second opening can be formed on the packaging layer and the second inorganic layer through a one-time composition process, the one-time composition process is saved, and the manufacturing cost is reduced. The area to be perforated is located in the orthographic projection of the second perforation on the back plate, namely the area to be perforated is not blocked by the second inorganic layer and the packaging layer.
Fig. 5 is a schematic diagram of the structure on the back plate at the end of step 304. The second inorganic layer 35 and the encapsulation layer 34 have a second opening k 1. The area q to be perforated is located in the orthographic projection (not shown in fig. 5) of the second opening k1 on the back plate.
In the embodiment of the present application, the patterning process may include the steps of forming a photoresist, exposing, developing, etching, and stripping the photoresist.
The second touch routing pattern may include a composite film layer formed by a titanium metal layer, an aluminum metal layer, and a titanium metal layer. The second touch trace pattern may include a touch electrode trace to implement a touch function.
The second touch routing pattern can be formed by the metal layer through a patterning process.
The second touch routing pattern and the electrode layer are both made of metal materials, and can be removed by the same etching solution, and the light-emitting material layer is relatively fragile and can also be removed by the same etching solution, so that a third opening can be formed on the second touch routing pattern, the electrode layer and the light-emitting material layer through a one-time composition process. The area to be perforated is located in the orthographic projection of the third opening on the back plate, that is, the area to be perforated can be exposed in the third opening.
Fig. 6 is a schematic diagram of the structure on the back plate at the end of step 306. The second touch trace pattern 36, the electrode layer 33 and the light emitting material layer 32 have a third opening k2, and a side surface of the light emitting material layer 32 is exposed in the third opening k 2.
The first composite structure layer includes a first inorganic layer and a first touch trace pattern stacked along a direction away from the backplane, the first inorganic layer may include silicon nitride, and the structure of the first touch trace pattern may refer to the second touch trace pattern.
The hole wall of the third opening and the area to be opened are covered by the first inorganic layer, that is, the first inorganic layer can cover the side surface of the luminescent material layer exposed in the third opening, so that the luminescent material layer is protected.
In addition, the touch display panel generally includes a plurality of inorganic layers, and in the manufacturing method of the touch display panel provided by the application, the first inorganic layer is reused as a shielding inorganic layer for protecting the light-emitting material layer, so that the effect of protecting the light-emitting material layer can be achieved without increasing the film layer structure. Step 308, forming a first touch trace opening on the first touch trace pattern, wherein the area to be opened is located in the orthographic projection of the first touch trace opening on the back panel.
The first touch trace pattern may include another touch electrode in the touch display panel. In a touch display panel, a touch function can be realized by two layers of touch electrodes formed by a first touch trace pattern and a second touch trace pattern. The touch display panel provided by the embodiment of the application can be a Flexible Multi-Layer On Cell (FMLOC) display device.
Fig. 7 is a schematic diagram of the structure on the back plate at the end of step 308. The first inorganic layer 37 serves as a protection layer to protect the side surface of the light emitting material layer 32 exposed in the third opening k2, and the first touch trace pattern 38 has a first touch trace opening k 3.
In addition, the region q to be perforated of the back sheet 31 may have a back sheet inorganic layer 311. The back plate 31 may include a back plate inorganic layer 311 and an electrical structure 312 (e.g. TFT, etc.) formed on the back plate inorganic layer 311, the hole to be opened q may not be disposed in the hole to be opened q due to the hole to be opened, and then the back plate inorganic layer 311 may be directly contacted and connected with the first inorganic layer (i.e. the shielding inorganic layer) 37, so as to form a structure with high sealing property, and further prevent water and oxygen in the external environment from damaging the light emitting material layer 32.
Optionally, at the end of step 308, at least one second composite structure layer having composite through holes may also be formed on the back sheet on which the first composite structure layer is formed. Each second composite structure layer comprises a third inorganic layer and a third touch wiring layer which are stacked, the hole area to be drilled is located in the orthographic projection of the composite through hole on the backboard, and more layers of touch wiring layers can be arranged in the touch display panel.
The material of the planarization layer may include an organic material. The organic material has good fluidity, is easy to eliminate the section difference among the structures on the backboard, and improves the flatness of the structures on the backboard.
Fig. 8 is a schematic diagram of the structure on the back plate at the end of step 310. Wherein the planarization layer 39 is filled in the third opening k 2.
A via may be formed through the planarization layer, the first inorganic layer, and the area to be perforated by a laser drilling process.
As shown in fig. 9, it is a schematic structural diagram of the touch display panel after step 311 is finished. The through hole t penetrates through the planarization layer 38, the first inorganic layer 37 and the region q to be perforated on the back plate 31.
Optionally, an image capturing assembly 40 is disposed on a side of the back plate 31 away from the planarization layer 38, and the image capturing assembly 40 is exposed at the through hole t.
In summary, in the method for manufacturing a touch display panel provided in the embodiment of the present application, an opening is formed on a light emitting material layer, then, an inorganic layer covers a hole wall of the opening, and then, through holes for exposing a camera are formed on the inorganic layer and a back plate. Under the structure, the side surface of the luminescent material layer at the opening is protected by the inorganic layer and is not exposed to the external environment. The problem of the lower life-span of touch-control display panel among the correlation technique is solved. The effect of prolonging the service life of the touch display panel is achieved.
As shown in fig. 10, which is a schematic structural diagram of a touch display panel provided in the present application, the touch display panel includes:
a back plate 31, the back plate 31 having a region q to be perforated.
The light emitting material layer 32 and the encapsulation layer 34 are sequentially disposed on the back plate 31, the light emitting material layer 32 and the encapsulation layer 34 have a first opening k4, and the area q to be opened is located in an orthographic projection of the first opening k4 on the back plate 31.
The rear plate provided with the luminescent material layer 32 and the encapsulation layer 34 is provided with the shielding inorganic layer 37, and the hole wall of the first opening k4 and the area q to be opened are covered with the shielding inorganic layer 37.
The shielding inorganic layer 37 and the back plate 31 have through holes t, and the orthographic projection of the through holes t on the back plate 31 is located in the region q to be perforated.
Fig. 9 is a schematic structural diagram of another touch display panel according to an embodiment of the present disclosure.
Wherein the area q to be perforated of the back plate 31 may have a back plate inorganic layer (not shown in fig. 9). The backplate can include the inorganic layer of backplate and other electricity structures (such as TFT etc.) that form on this inorganic layer of backplate, should treat that trompil region q is owing to be used for the trompil, therefore treat that can not set up electricity structure in the trompil region q, and then the inorganic layer of backplate can be directly and shelter from the inorganic layer contact and connect, so can constitute the higher structure of leakproofness, further avoid the water oxygen of external environment to damage luminescent material layer.
An electrode layer 33 is provided between the luminescent material layer 32 and the encapsulation layer 34. The back plate 31 provided with the light emitting material layer 32 and the encapsulation layer 34 is provided with a first composite structure layer, the first composite structure layer includes a first inorganic layer 37 and a first touch routing pattern 38 which are stacked along a direction away from the back plate, the first inorganic layer 37 in the first composite structure layer is reused as a shielding inorganic layer, a first touch routing opening k3 is formed in the first touch routing pattern 38, and the area q to be opened is located in an orthographic projection of the first touch routing opening k3 on the back plate 31.
A second inorganic layer 35 and a second touch trace pattern 36 are stacked between the first inorganic layer 37 and the package layer 34, the second inorganic layer 35 and the package layer 34 have a second opening, the second touch trace pattern 36, the electrode layer 33 and the light emitting material layer 32 have a third opening k2, an area q to be opened is located in an orthographic projection of the second opening on the back plate 31, and the area q to be opened is located in an orthographic projection of the third opening k2 on the back plate.
Optionally, at least one second composite structure layer (not shown in fig. 9) having composite through holes is disposed on the back panel 31 provided with the first composite structure layer, each second composite structure layer includes a third inorganic layer and a third touch routing layer which are stacked, and the area to be perforated is located in an orthographic projection of the composite through holes on the back panel. That is, more touch routing layers can be arranged in the touch display panel
The back plate provided with the first touch trace pattern is provided with a flat layer 39. The through hole t may penetrate the planarization layer 39, the blocking inorganic layer 37, and the region q to be perforated. The material of the planarization layer may include an organic material. The organic material has good fluidity, is easy to eliminate the section difference among the structures on the backboard, and improves the flatness of the structures on the backboard.
To sum up, the touch display panel provided by the embodiment of the application covers the hole wall of the opening through the inorganic layer, and the inorganic layer and the backboard are provided with through holes for exposing the camera. Under the structure, the side surface of the luminescent material layer at the opening is protected by the inorganic layer and is not exposed to the external environment. The problem of the lower life-span of touch-control display panel among the correlation technique is solved. The effect of prolonging the service life of the touch display panel is achieved.
According to another aspect of the present application, a display device is provided, and the display device includes any one of the touch display panels provided in the above embodiments. The display device can be a smart phone, a notebook computer, a tablet computer, a digital camera, an intelligent wearable device and other devices. Any of the touch display panels provided in the above embodiments may provide touch display functionality for these devices. In addition, the touch display panel provided by the embodiment of the application has a long service life and high waterproof performance, so that the service life and the waterproof performance of the display device comprising the touch display panel are correspondingly improved.
It is noted that in the drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. Also, it will be understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element or layer or intervening layers may also be present. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it can be directly under the other element or intervening layers or elements may also be present. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it can be the only layer between the two layers or elements, or there can be more than one intermediate layer or element. Like reference numerals refer to like elements throughout.
In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (15)
1. A method for manufacturing a touch display panel, the method comprising:
providing a back plate, wherein the back plate is provided with an area to be perforated;
sequentially forming a luminescent material layer and a packaging layer on the back plate;
forming a first opening on the luminescent material layer and the packaging layer, wherein the area to be opened is positioned in the orthographic projection of the first opening on the back plate;
forming a shielding inorganic layer on the backboard on which the luminescent material layer with the first opening and the packaging layer are formed, wherein the hole wall of the first opening and the area to be opened are covered by the shielding inorganic layer;
and forming a through hole penetrating through the shielding inorganic layer and the area to be perforated.
2. The method of claim 1, wherein forming a blocking inorganic layer on the backplane on which the luminescent material layer and the encapsulation layer are formed comprises:
forming a first composite structure layer on the backboard on which the light-emitting material layer and the packaging layer are formed, wherein the first composite structure layer comprises a first inorganic layer and a first touch routing pattern which are laminated along a direction away from the backboard, and the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer;
forming a first touch routing open hole on the first touch routing pattern, wherein the area to be opened is located in the orthographic projection of the first touch routing open hole on the back plate.
3. The method of claim 1, wherein sequentially forming a layer of light emitting material and an encapsulation layer on the backplane comprises:
forming the luminescent material layer, the electrode layer and the packaging layer on the back plate in sequence;
the forming a first opening on the luminescent material layer and the encapsulation layer includes:
forming a second inorganic layer on the back plate on which the encapsulation layer is formed;
forming a second opening on the second inorganic layer and the packaging layer through a patterning process, wherein the area to be opened is located in the orthographic projection of the second opening on the back plate;
forming a second touch routing pattern on the back plate on which the second inorganic layer with the second opening is formed;
forming a third opening on the second touch routing pattern, the electrode layer and the light-emitting material layer through a composition process, wherein the area to be opened is located in the orthographic projection of the third opening on the back plate.
4. The method of claim 1, wherein the area of the backsheet to be apertured has a backsheet inorganic layer, and the masking inorganic layer is coupled to the backsheet inorganic layer.
5. The method of claim 4, wherein the material of the planarization layer comprises an organic material.
6. The method according to claim 2, wherein the first touch trace pattern comprises a composite film layer formed by a titanium metal layer, an aluminum metal layer and a titanium metal layer.
7. The method according to claim 1, wherein the forming a via hole through the masking inorganic layer and the region to be perforated comprises:
and forming a through hole penetrating through the shielding inorganic layer and the area to be perforated by a laser drilling process.
8. The method of claim 1, wherein sequentially forming a layer of light emitting material and an encapsulation layer on the backplane comprises:
forming the luminescent material layer, the electrode layer and the packaging layer on the back plate in sequence;
the forming a first opening on the luminescent material layer and the encapsulation layer includes:
forming a second inorganic layer on the back plate on which the encapsulation layer is formed;
forming a second opening on the second inorganic layer and the packaging layer through a patterning process, wherein the area to be opened is located in the orthographic projection of the second opening on the back plate;
forming a second touch routing pattern on the back plate on which the second inorganic layer is formed;
forming a third opening on the second touch routing pattern, the electrode layer and the luminescent material layer through a composition process, wherein the area to be opened is located in the orthographic projection of the third opening on the back plate;
forming a shielding inorganic layer on the back plate on which the luminescent material layer and the encapsulation layer are formed, including:
forming a first composite structure layer on the backboard with the third opening, wherein the first composite structure layer comprises a first inorganic layer and a first touch routing pattern which are stacked along a direction far away from the backboard, and the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer;
forming a first touch routing open hole on the first touch routing pattern, wherein the area to be opened is located in the orthographic projection of the first touch routing open hole on the back plate.
9. A touch display panel, comprising:
a back plate having an area to be perforated;
the backboard is sequentially provided with a light-emitting material layer and a packaging layer, the light-emitting material layer and the packaging layer are provided with first openings, and the area to be opened is positioned in the orthographic projection of the first openings on the backboard;
a shielding inorganic layer is arranged on the back plate provided with the luminescent material layer with the first opening and the packaging layer, and the hole wall of the first opening and the area to be opened are covered by the shielding inorganic layer;
the shielding inorganic layer and the area to be perforated are provided with through holes.
10. The touch display panel according to claim 9, wherein the back panel on which the light emitting material layer and the encapsulation layer are disposed is provided with a first composite structure layer, the first composite structure layer includes a first inorganic layer and a first touch trace pattern stacked in a direction away from the back panel, the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer, the first touch trace pattern has a first touch trace opening thereon, and the area to be opened is located in an orthographic projection of the first touch trace opening on the back panel.
11. The touch display panel according to claim 9, wherein the area to be perforated of the back plate has a back plate inorganic layer, and the shielding inorganic layer is connected to the back plate inorganic layer.
12. The touch display panel according to claim 10, wherein at least one second composite structure layer having composite through holes is disposed on the back plate on which the first composite structure layer is disposed, each second composite structure layer includes a third inorganic layer and a third touch routing layer that are stacked, and the area to be perforated is located in an orthographic projection of the composite through holes on the back plate.
13. The touch display panel according to claim 10, wherein a flat layer is disposed on the back plate on which the first touch trace pattern is disposed;
the through hole penetrates through the flat layer, the shielding inorganic layer and the area to be perforated.
14. The touch display panel according to claim 9, wherein an electrode layer is provided between the light emitting material layer and the encapsulation layer;
the back plate provided with the light-emitting material layer and the packaging layer is provided with a first composite structure layer, the first composite structure layer comprises a first inorganic layer and a first touch wiring pattern which are stacked along the direction far away from the back plate, the first inorganic layer in the first composite structure layer is reused as the shielding inorganic layer, a first touch wiring opening is formed in the first touch wiring pattern, and the area to be opened is located in the orthographic projection of the first touch wiring opening on the back plate;
the first composite structure layer and the packaging layer are provided with a second inorganic layer and a second touch wiring pattern in a stacked mode, the second inorganic layer and the packaging layer are provided with second openings, the second touch wiring pattern, the electrode layer and the luminescent material layer are provided with third openings, the area to be opened is located in the orthographic projection of the second opening on the back plate, and the area to be opened is located in the orthographic projection of the third opening on the back plate.
15. A display device, characterized in that the display device comprises the touch display panel according to any one of claims 9 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096278.2A CN110851019A (en) | 2019-11-11 | 2019-11-11 | Manufacturing method of touch display panel, touch display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096278.2A CN110851019A (en) | 2019-11-11 | 2019-11-11 | Manufacturing method of touch display panel, touch display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110851019A true CN110851019A (en) | 2020-02-28 |
Family
ID=69601168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911096278.2A Pending CN110851019A (en) | 2019-11-11 | 2019-11-11 | Manufacturing method of touch display panel, touch display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110851019A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180389A (en) * | 2020-03-04 | 2020-05-19 | 武汉华星光电半导体显示技术有限公司 | Array substrate and preparation method thereof |
| CN113497091A (en) * | 2020-03-20 | 2021-10-12 | 荣耀终端有限公司 | Manufacturing method of display module and related product |
| CN114141836A (en) * | 2021-11-25 | 2022-03-04 | 武汉华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and display device |
-
2019
- 2019-11-11 CN CN201911096278.2A patent/CN110851019A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180389A (en) * | 2020-03-04 | 2020-05-19 | 武汉华星光电半导体显示技术有限公司 | Array substrate and preparation method thereof |
| CN111180389B (en) * | 2020-03-04 | 2023-03-14 | 武汉华星光电半导体显示技术有限公司 | Array substrate and preparation method thereof |
| CN113497091A (en) * | 2020-03-20 | 2021-10-12 | 荣耀终端有限公司 | Manufacturing method of display module and related product |
| CN113497091B (en) * | 2020-03-20 | 2022-06-21 | 荣耀终端有限公司 | Manufacturing method of display module and related product |
| CN114141836A (en) * | 2021-11-25 | 2022-03-04 | 武汉华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7210865B2 (en) | Organic electroluminescence display substrate, manufacturing method thereof, and display device | |
| CN111081732B (en) | display device | |
| US11751467B2 (en) | Flexible display panel with via-hole therein and display device | |
| CN107845667B (en) | Organic light-emitting display panel, display device and manufacturing method thereof | |
| CN210402313U (en) | Touch display panel and display device | |
| KR102626953B1 (en) | Organic light emitting display device | |
| TWI742536B (en) | Method for manufacturing light-emitting device | |
| CN111211145A (en) | Display device | |
| CN110851019A (en) | Manufacturing method of touch display panel, touch display panel and display device | |
| US9799713B2 (en) | Organic light-emitting diode display with barrier layer | |
| KR20190100568A (en) | organic light emitting display device | |
| KR20180020091A (en) | Display device | |
| US20220407023A1 (en) | Stretchable display panel and method for manufacturing same, and display device | |
| CN109904118B (en) | Display panel and manufacturing method thereof | |
| CN113950712B (en) | Display substrate, display panel, display device and manufacturing method of display panel | |
| KR20140123868A (en) | Organic light emitting diode display | |
| KR20180025052A (en) | Flexible Display Device | |
| CN110176474B (en) | Display panel, manufacturing method thereof and display device | |
| CN112786647A (en) | Display device with substrate holes | |
| CN114497124A (en) | Display device | |
| CN110148615B (en) | Light-emitting device and manufacturing method thereof, mask plate, display substrate and device | |
| KR20170112416A (en) | Organic light emitting display device and method for manufacturing the same | |
| KR20140081408A (en) | Method for forming contact hole and for manufacturing thin film transistor array substrate | |
| CN115224223A (en) | Display panel, display device and preparation method of display panel | |
| CN111146267B (en) | Display substrate, manufacturing method thereof and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |