WO2020010545A1

WO2020010545A1 - Touch-control display panel and preparation method therefor, and touch-control display device

Info

Publication number: WO2020010545A1
Application number: PCT/CN2018/095286
Authority: WO
Inventors: 潘霖庆
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-07-11
Filing date: 2018-07-11
Publication date: 2020-01-16
Also published as: CN112470107A

Abstract

The present invention provides a touch-control display panel. The touch-control display panel comprises an organic electroluminescent layer, a first insulation layer and first touch-control electrodes. The first insulation layer is arranged on one side of the organic electroluminescent layer, the first insulation layer is provided with first grooves arranged at intervals, and the first touch-control electrodes are arranged in the first grooves. The present invention further provides a touch-control display device and a method for preparing the touch-control display panel. According to the touch-control display panel provided by the present invention, a first touch-control electrode is arranged in a first insulation layer, thereby reducing the thickness and weight of the touch-control display panel with respect to the manner of directly attaching the first touch-control electrode to an organic electroluminescent layer.

Description

Touch display panel, preparation method thereof, and touch display device

Technical field

The invention belongs to the field of display technology, and particularly relates to a touch display panel, a manufacturing method thereof, and a touch display device.

Background technique

With the advancement of technology, various display devices are constantly being introduced, such as mobile phones, tablet computers, ultra-thin computers and satellite navigation. In addition to keyboard or sliding mouse input or control, using touch technology to control the display device is a very intuitive and popular control method. Among them, the existing touch display panel structure can be roughly divided into a touch panel and a display panel. The touch panel has a protection substrate and a touch electrode substrate. In manufacturing, the protection substrate must be attached to the touch electrode substrate to form a touch panel, and then the touch panel is attached to the display panel to complete the process. Production of touch display panel. This type of lamination technology makes the overall thickness of the touch display panel structure larger and heavier, and the manufacturing process is complicated.

Summary of the invention

In view of this, the present invention provides a thin and light touch display panel. Specific technical solutions are as follows.

A touch display panel includes:

Organic electroluminescent layer

A first insulation layer, the first insulation layer is disposed on one side of the organic electroluminescent layer, and the first insulation layer is provided with first grooves disposed at intervals;

A first touch electrode, and the first touch electrode is disposed in the first groove.

Preferably, the touch display panel further includes:

A second insulating layer disposed on a side of the first touch electrode away from the organic electroluminescent layer;

A third insulating layer, the third insulating layer is disposed on a side of the second insulating layer remote from the first insulating layer, and the third insulating layer is provided with second grooves disposed at intervals;

A second touch electrode, and the second touch electrode is disposed in the second groove.

Preferably, the touch display panel further includes:

An encapsulation layer is disposed on one side of the organic electroluminescent layer, and the first insulating layer is disposed on a surface of the encapsulation layer remote from the organic electroluminescent layer.

Preferably, the touch display panel includes a first organic layer, and the first organic layer is disposed on a surface of the first insulating layer and the first touch electrode away from the packaging layer; the second An insulating layer is disposed on a surface of the first organic layer remote from the first insulating layer.

Preferably, the packaging layer includes a fourth insulating layer, the fourth insulating layer is disposed on one side of the organic electroluminescent layer, and the first insulating layer and the first touch electrode are disposed on the The fourth insulating layer is on a side remote from the organic electroluminescent layer.

Preferably, the encapsulation layer further includes a second organic layer and a fifth insulating layer, the second organic layer is disposed on a surface of the fourth insulating layer away from the organic electroluminescent layer, and the fifth insulating layer A layer is disposed on a surface of the second organic layer away from the fourth insulating layer, and the first insulating layer and the first touch electrode are disposed on the fifth insulating layer away from the organic electroluminescent layer on the surface.

Preferably, the first touch electrode is a driving electrode or a sensing electrode; when the first touch electrode is a driving electrode of the touch display panel, the second touch electrode is a sensing electrode; When the first touch electrode is a sensing electrode of the touch display panel, the second touch electrode is a driving electrode.

The present invention also provides a touch display device, which includes the touch display panel according to any one of the above.

The invention also provides a method for manufacturing a touch display panel. The method for manufacturing the touch display panel includes:

Providing an organic electroluminescent layer;

Forming a first insulating layer on one side of the organic electroluminescent layer, and opening first grooves arranged in the first insulating layer at intervals;

A first touch electrode is formed in the first groove.

Preferably, the method for manufacturing the touch display panel further includes:

Forming a second insulating layer on a side of the first touch electrode away from the organic electroluminescent layer;

Forming a third insulating layer on a side of the second insulating layer remote from the first insulating layer, and opening third grooves arranged in the third insulating layer;

A second touch electrode is formed in the second groove.

Preferably, a first insulating layer is formed on the "providing an organic electroluminescent layer" and the "on one side of the organic electroluminescent layer, and a first insulating layer is provided in the first insulating layer at intervals. A groove "also includes:

Forming an encapsulation layer on one side of the organic electroluminescent layer;

The "forming a first insulating layer on one side of the organic electroluminescent layer, and opening first grooves arranged in the first insulating layer" includes:

A first insulating layer is formed on a surface of the encapsulation layer remote from the organic electroluminescent layer, and first grooves are provided in the first insulating layer.

Forming a first organic layer on a surface of the first insulating layer and the first touch electrode away from the packaging layer;

The "forming a second insulating layer on a side of the first touch electrode away from the organic electroluminescent layer" includes:

A second insulating layer is formed on a surface of the first organic layer remote from the first insulating layer.

Preferably, the method for preparing the encapsulation layer includes:

Forming a fourth insulating layer on one side of the organic electroluminescent layer;

The "forming a first insulating layer on a surface of the encapsulation layer away from the organic electroluminescent layer, and opening first grooves spaced in the first insulating layer" includes:

A first insulating layer is formed on a side of the fourth insulating layer remote from the organic electroluminescent layer, and first grooves are provided in the first insulating layer.

Preferably, the method for preparing the encapsulation layer further includes:

Forming a second organic layer on a surface of the fourth insulating layer remote from the organic electroluminescent layer;

Forming a fifth insulating layer on a surface of the second organic layer remote from the fourth insulating layer;

The "forming a first insulating layer on a side of the fourth insulating layer away from the organic electroluminescent layer, and opening first grooves arranged in the first insulating layer" includes:

A first insulating layer is formed on a surface of the fifth insulating layer remote from the organic electroluminescent layer, and first grooves are provided in the first insulating layer.

Preferably, "the first insulating layer is formed on one side of the organic electroluminescent layer, and first grooves provided in the first insulating layer are spaced apart" includes:

A first mask is provided, the first mask is placed on one side of the organic electroluminescent layer, and a first preset is provided between the first mask and the organic electroluminescent layer Distance, the first mask includes a plurality of first sub masks distributed in a matrix, and there is a first gap between the first sub masks;

Providing a first gas phase source, the first gas phase source being located on a side of the first mask plate away from the organic electroluminescent layer, the first gas phase source being used to provide a material for forming a first insulating layer;

A first gas-phase source provides a material forming a first insulating layer to one side of the organic electroluminescent layer through the first gap to form a first insulating layer and a first groove.

Preferably, the "the third insulating layer is formed on a side of the second insulating layer remote from the first insulating layer, and third grooves are provided in the third insulating layer at intervals" include:

A second mask is provided, the second mask is placed on a side of the second insulation layer away from the first insulation layer, and between the second mask and the second insulation layer Having a second preset distance, the second mask includes a plurality of second sub masks distributed in a matrix, and a second gap is formed between the second sub masks;

Providing a second vapor source, the second vapor source being located on a side of the second mask away from the second insulating layer, the second vapor source being used to provide a material for forming a third insulating layer;

The second gas-phase source provides the second insulating layer with a material forming a third insulating layer through the second gap to form a third insulating layer and a second groove.

Preferably, the method for forming the first touch electrode includes:

A conductive material for forming a first touch electrode is filled in the first groove to form a first touch electrode.

Preferably, the method for forming the second touch electrode includes:

A conductive material for forming a second touch electrode is filled in the second groove to form a second touch electrode.

The beneficial effect of the present invention: The touch display panel provided by the present invention has the first touch electrode disposed in the first insulating layer, which reduces the touch compared with directly bonding the first touch electrode on the organic electroluminescent layer. Control the thickness and weight of the display panel.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions in the embodiments of the present invention more clearly, the drawings used in the embodiments are briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can obtain other drawings according to these drawings without paying creative labor.

FIG. 1 is a schematic structural diagram of a touch display panel according to a first embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a touch display panel according to a second embodiment of the present invention.

FIG. 3 is two circuit patterns of a first touch electrode and a second touch electrode provided by the present invention.

FIG. 4 is a schematic structural diagram of a touch display panel according to a third embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a touch display panel according to a fourth embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a touch display panel according to a fifth embodiment of the present invention.

FIG. 7 is a schematic structural diagram of a touch display panel according to a sixth embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a touch display device provided by the present invention.

FIG. 9 is a flowchart of a method for manufacturing a touch display panel provided by the present invention.

FIG. 10 is a flowchart of a method for manufacturing an encapsulation layer in a touch display panel provided by the present invention.

FIG. 11 is a schematic diagram of forming a first insulating layer and a first groove provided by the present invention.

FIG. 12 is a flowchart of a method for preparing a first insulating layer and a first groove provided by the present invention.

FIG. 13 is a schematic diagram of forming a third insulating layer and a second groove provided by the present invention.

14 is a flowchart of a method for preparing a third insulating layer and a second groove provided by the present invention.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second", and the like in the description and claims of the present invention and the drawings are used to distinguish different objects and are not used to describe a specific order. Furthermore, the terms "including" and "having", as well as any of them, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device containing a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to these processes, methods, products or equipment.

Reference to "an embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they independent or alternative embodiments that are mutually exclusive with other embodiments. It is clearly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

Referring to FIG. 1, a first embodiment of the present invention provides a touch display panel 10. The touch display panel 10 includes an organic electroluminescent layer 100, a first insulating layer 300, and a first touch electrode 400. The first insulating layer 300 is disposed on one side of the organic electroluminescent layer 100, the first insulating layer 300 is provided with first grooves 310 spaced apart from each other, and the first touch electrode 400 is disposed in the first groove 310. It can be understood that the first touch electrode 400 includes a driving electrode and a sensing electrode, that is, the driving electrode and the sensing electrode may be simultaneously disposed in the first groove 310 in the first insulating layer 300. The driving electrode and the sensing electrode together constitute a first touch electrode 400 to implement a touch function of the touch display panel 10. It can be understood that the driving electrode and the sensing electrode are insulated. In the touch display panel 10 provided by the present invention, the first touch electrode 400 is disposed in the first groove 310 in the first insulating layer 300, which is directly bonded to the organic electroluminescent layer as compared with the first touch electrode The thickness and weight of the touch display panel are reduced on the 100. In addition, compared with bonding the whole touch electrode to the organic electroluminescent layer 100, the light emitting area of the organic electroluminescent layer 100 is also increased, and the light emitting effect is improved.

It can be understood that the first touch electrode 400 may also be only a driving electrode or a sensing electrode. When the first touch electrode 400 is a driving electrode, the touch display panel 10 may further include a sensing electrode, and the sensing electrode is disposed in a film layer other than the first insulation layer, wherein the sensing electrode may be a whole piece of insulation. One side of the first touch electrode 400 may be provided on the side of the first touch electrode 400 through patterned insulation, or may be provided in other forms. When the first touch electrode 400 is provided with the above structure, the reduction can be achieved. The effect of thickness and weight of the touch display panel, as well as the purpose of increasing the light emitting area and enhancing the light emitting effect. When the first touch electrode 400 is a sensing electrode, the above effects can also be achieved.

Referring to FIG. 2, a second embodiment of the present invention provides a touch display panel 10 a. The touch display panel 10 a further includes a second insulation layer 500, a third insulation layer 600, and a second touch electrode 700. The second insulating layer 500 is disposed on a side of the first touch electrode 400 away from the organic electroluminescent layer 100. The second insulation layer 500 is used for electrically insulating the first touch electrode 400 and the second touch electrode 700 from each other. It can be understood that the second insulation layer 500 can cover the first touch electrode 400 and the first insulation layer 300. The third insulating layer 600 is disposed on a side of the second insulating layer 500 away from the first insulating layer 300. The third insulating layer 600 is provided with second grooves 610 disposed at intervals. The second touch electrode 700 is disposed in the second groove. Within 610. It can be understood that the first touch electrode 400 is a driving electrode or a sensing electrode, and the second touch electrode 700 may be a driving electrode or a sensing electrode. When the first touch electrode 400 is a driving electrode of the touch display panel 10a, the second touch electrode 700 is a sensing electrode, and when the first touch electrode 400 is a sensing electrode of the touch display panel 10a, the second touch The electrode 700 is a driving electrode. The first touch electrode 400 and the second touch electrode 700 constitute a touch electrode of the touch display panel 10a to implement a touch function. In this embodiment, the second touch electrode 700 is disposed in the third insulating layer 600, which further reduces the thickness and weight of the touch display panel compared to directly bonding the second touch electrode 700 on the film layer. At the same time, the light emitting area of the organic electroluminescent layer 100 is also increased, and the light emitting effect is improved. The first touch electrode 400 and the second touch electrode 700 are both disposed in the groove of the insulating layer, and the thickness and weight of the touch display panel are reduced. Compared with the case where only the first touch electrode 400 is used, The setting makes the entire touch display panel 10 thinner and lighter, further increasing the light emitting area and improving the light emitting effect.

It can be understood that the orthographic projections of the first touch electrode 400 and the second touch electrode 700 on the organic electroluminescent layer 100 are intersected, and the circuit patterns of the two include two types shown in a and b in FIG. 3 . Specifically, at the crossing position X (see FIG. 3B) of the first projection of the first touch electrode 400 and the second touch electrode 700 on the organic electroluminescent layer 100, the first touch electrode 400 and the first The two touch electrodes 700 are separated by an insulation layer, for example, by the second insulation layer 500 in FIG. 2 (see FIG. 2). The orthographic projection on the electroluminescent layer 100 overlaps only at the intersection position X, and at other positions, the orthographic projections of the first touch electrode 400 and the second touch electrode 700 on the organic electroluminescent layer 100 do not overlap, such an intersection The insulation setting can reduce the overlapping area between the first touch electrode 400 and the second touch store 700, reduce the capacitance background value between the first touch electrode 400 and the second touch electrode 700, and increase the amount of touch sensing. .

Referring to FIG. 4, a third embodiment of the present invention provides a touch display panel 10 b. The touch display panel 10 b further includes an encapsulation layer 200. The encapsulating layer 200 is disposed on one side of the organic electroluminescent layer 100, and the first insulating layer 300 is disposed on a surface of the encapsulating layer 200 away from the organic electroluminescent layer 100. The encapsulation layer 200 refers to a film layer that encapsulates the organic electroluminescence layer 100 to protect the organic electroluminescence layer 100. It may be understood that the encapsulation layer 200 may be composed of one layer or multiple layers. . The second insulating layer 500 and the encapsulation layer 200 may form a total package to protect the organic electroluminescent layer 100 together.

Referring to FIG. 5, a fourth embodiment of the present invention provides a touch display panel 10c. The touch display panel 10c further includes a first organic layer 800. The first organic layer 800 is disposed on the first insulating layer 300 and the first The control electrode 400 is on a surface away from the packaging layer 200, and the second insulating layer 500 is disposed on a surface of the first organic layer 800 away from the first insulating layer 300. The first organic layer 800 is used to increase the flexibility between the first touch electrode 400 and the second touch electrode 700 to reduce the damage of the first touch electrode 400 and the second touch electrode 700 under pressure. risks of.

Referring to FIG. 6, a fifth embodiment of the present invention provides a touch display panel 10d. In the touch display panel 10d, the packaging layer 200 includes a fourth insulating layer 210, and the fourth insulating layer 210 is disposed on the organic electroluminescent layer. On one side of 100, the first insulating layer 300 and the first touch electrode 400 are disposed on the side of the fourth insulating layer 210 away from the organic electroluminescent layer 100. The fourth insulating layer 210 protects the organic electroluminescent layer 100. In this embodiment, the fourth insulation layer 210 (the encapsulation layer 200), the first organic layer 800, and the second insulation layer 500 constitute a total encapsulation layer 200a to collectively protect the organic electroluminescent layer 100. The first touch electrode 400 is disposed in the total encapsulation layer 200 a to further protect the first touch electrode 400.

Referring to FIG. 7, a sixth embodiment of the present invention provides a touch display panel 10e. In the touch display panel 10e, the packaging layer 200 includes a fourth insulating layer 210, and the fourth insulating layer 210 is disposed on the organic electroluminescent layer. On one side of 100, the encapsulation layer 200 further includes a second organic layer 220 and a fifth insulating layer 230. The second organic layer 220 is disposed on a surface of the fourth insulating layer 210 away from the organic electroluminescent layer 100, and the fifth insulating layer 230 The second organic layer 220 is disposed on a surface away from the fourth insulating layer 210, and the first insulating layer 300 and the first touch electrode 400 are disposed on a surface of the fifth insulating layer 230 away from the organic electroluminescent layer 100. That is, the fourth insulating layer 210, the second organic layer 220, and the fifth insulating layer 230 constitute the encapsulation layer 200 to protect the organic electroluminescent layer 100. In this embodiment, the encapsulation layer 200 (including the fourth insulating layer 210, the second organic layer 220, and the fifth insulating layer 230) and the second insulating layer 500 constitute a total package to collectively perform the organic electroluminescent layer 100 protection.

Referring to FIG. 8, the present invention further provides a touch display device 20. The touch display device 20 includes the touch display panel 10 according to any one of the above embodiments. The touch display device 20 may be, but is not limited to, e-books, smart phones (such as Android phones, iOS phones, Windows Phone phones, etc.), tablet computers, flexible palmtop computers, flexible notebook computers, and mobile Internet devices (MID, Mobile Internet Devices ) Or wearable devices, etc., or may be organic light-emitting diode (OLED) touch display devices, active matrix organic light emitting diodes (AMOLED) touch display devices.

Referring to FIG. 9, the present invention provides a method for manufacturing a touch display panel 10. The method for manufacturing the touch display panel 10 includes steps S100, S200, and S300. Each step is described in detail below.

In step S100, an organic electroluminescent layer 100 is provided.

In step S200, a first insulating layer 300 is formed on one side of the organic electroluminescent layer 100, and first grooves 310 are formed in the first insulating layer 300 at intervals. A method of forming the first insulating layer 300 and the first groove 310 includes a chemical vapor deposition method or an evaporation method. Compared with the etching method, the chemical vapor deposition method or the evaporation method can reduce the damage to the organic electroluminescent layer 100 or other films during the formation of the first insulating layer 300 and the first groove 310 to protect the organic electroluminescence. Layer 100 and other film layers.

In step S300, a first touch electrode 400 is formed in the first groove 310. A method of forming the first touch electrode 400 includes, but is not limited to, a chemical vapor deposition method. Forming the first touch electrode 400 in the first insulating layer 300 reduces the thickness and weight of the touch display panel 10 compared to directly bonding the first touch electrode to one side of the organic electroluminescent layer 100. And can improve the light output area.

It can be understood that the first touch electrode 400 may be only a sensing electrode or a driving electrode, and may also include a sensing electrode and a driving electrode at the same time. When the first touch electrode 400 includes a sensing electrode and a driving electrode at the same time, it also includes insulating the sensing electrode and the driving electrode during the formation process. When the first touch electrode 400 is only a driving electrode, the method for preparing the touch display panel 10 further includes forming a sensing electrode. It can be understood that the sensing electrode may be formed as a whole piece of insulation on one side of the first touch electrode 400. It can also be formed on one side of the first touch electrode 400 through patterned insulation, or provided in other forms. As long as the first touch electrode 400 is formed by using the above steps, the effect of reducing the thickness and weight of the touch display panel can be achieved. , As well as the purpose of increasing the light output area and enhancing the lighting effect.

Please refer to FIG. 9 again. In a further embodiment, the method for preparing the touch display panel 10 includes steps S400, S500, and S600. Each step is described in detail below.

In step S400, a second insulating layer 500 is formed on a side of the first touch electrode 400 away from the organic electroluminescent layer 100. The second insulating layer 500 is formed on a side of the first touch electrode 400 and the first touch electrode 400 away from the organic electroluminescent layer 100.

In step S500, a third insulating layer 600 is formed on a side of the second insulating layer 500 away from the first insulating layer 500, and second grooves 610 are formed in the third insulating layer 600 at intervals. The second insulation layer 500 is used for electrically insulating the first touch electrode 400 and the second touch electrode 700 from each other. A method of forming the third insulating layer 600 and the second groove 610 includes a chemical vapor deposition method or an evaporation method. Compared with the etching method, the chemical vapor deposition method or the evaporation method can reduce damage to the first touch electrode 400 or other film layers during the formation of the third insulating layer 600 and the second groove 610 to protect the first touch. The electrode 400 and other film layers.

In step S600, a second touch electrode 700 is formed in the second groove 610.

Forming the first touch electrodes 400 and the second touch electrodes 700 in the grooves of the insulating layer together reduces the thickness and weight of the touch display panel 10, compared with using only the first touch electrodes 400. The above method is formed to make the entire touch display panel 10 thinner and lighter, further increasing the light emitting area and improving the light emitting effect.

In a further embodiment, forming the encapsulation layer 200 on one side of the organic electroluminescent layer 100 between step S100 and step S200. The “the first insulating layer 300 is formed on one side of the organic electroluminescent layer 100 and the first grooves 310 are provided in the first insulating layer 300 at intervals” includes that the packaging layer 200 is far from the organic electroluminescent layer 100 A first insulating layer 300 is formed on the surface of the substrate, and first grooves 310 are formed in the first insulating layer 300 at intervals. The encapsulation layer 200 is used for encapsulating and protecting the organic electroluminescent layer 100. A method of forming the encapsulation layer 200 includes, but is not limited to, a chemical vapor deposition method. The encapsulation layer 200 may be composed of one layer or multiple layers.

In a further embodiment, the method for manufacturing the touch display panel 10 further includes forming a first organic layer 800 on a surface of the first insulating layer 300 and the first touch electrode 400 away from the packaging layer 200. The “forming a second insulating layer 500 on a side of the first touch electrode 400 away from the organic electroluminescent layer 100” includes forming a second insulating layer 500 on a surface of the first organic layer 800 away from the first insulating layer 300. The first organic layer 800 is used to increase the flexibility between the first touch electrode 400 and the second touch electrode 700 to reduce the damage of the first touch electrode 400 and the second touch electrode 700 under pressure. risks of.

Referring to FIG. 10, in a further embodiment, a method for preparing the encapsulation layer 200 includes step S201. Details are as follows.

In step S201, a fourth insulating layer 210 is formed on one side of the organic electroluminescent layer 100. The “formation of the first insulating layer 300 on the surface of the encapsulation layer 200 away from the organic electroluminescent layer 100 and the opening of the first grooves 310 spaced in the first insulating layer 300” is included in the fourth insulating layer 210. A first insulating layer 300 is formed on one side of the organic electroluminescent layer 100, and first grooves 310 are formed in the first insulating layer 300 at intervals. The fourth insulation layer 210 (the encapsulation layer 200), the first organic layer 800, and the second insulation layer 500 constitute a total encapsulation layer to protect the organic electroluminescent layer 100 together.

In a further embodiment, the method for preparing an encapsulation layer further includes steps S202 and S203. Each step is described in detail below.

In step S202, a second organic layer 220 is formed on a surface of the fourth insulating layer 210 away from the organic electroluminescent layer 100.

In step S203, a fifth insulating layer 230 is formed on a surface of the second organic layer 220 away from the fourth insulating layer 210. The “the first insulating layer 300 is formed on the side of the fourth insulating layer 210 away from the organic electroluminescent layer 100 and the first grooves 310 are provided in the first insulating layer 300 at intervals” is included in the fifth insulating layer A first insulating layer 300 is formed on a surface of 230 that is far from the organic electroluminescent layer 100, and first grooves 310 are formed in the first insulating layer 300 at intervals.

The fourth insulating layer 210, the second organic layer 220, and the fifth insulating layer 230 constitute an encapsulation layer 200 to protect the organic electroluminescent layer 100.

Referring to FIGS. 11 and 12, in a further embodiment, “a first insulating layer 300 is formed on a side of the organic electroluminescent layer 100 away from the organic electroluminescent layer 100, and is opened in the first insulating layer 300. The first grooves 310 ″ provided at intervals include steps S210, S220, and S230. Each step is described in detail below.

In step S210, a first mask plate 900 is provided. The first mask plate 900 is disposed on one side of the organic electroluminescent layer 100, and a first preset is provided between the first mask plate 900 and the organic electroluminescent layer 100. At a distance, the first mask plate 900 includes a plurality of first sub mask plates 910 distributed in a matrix, and there are first gaps 920 between the first sub mask plates 910. It can be understood that the first preset distance is at least the height of the first insulating layer 300. The width of the first gap 920 is at least the width of the first touch electrode 400. It can be understood that the pattern of the first sub-mask 910 can be set according to the pattern of the first touch electrode 400.

In step S220, a first vapor source 1000 is provided. The first vapor source 1000 is located on a side of the first mask 900 away from the organic electroluminescent layer 100. The first vapor source 1000 is used to provide a material for forming the first insulating layer 300.

In step S230, the first gas phase source 1000 supplies a material forming the first insulating layer 300 to one side of the organic electroluminescent layer 100 through the first gap 920 to form the first insulating layer 300 and the first groove 310. It can be understood that after the material provided by the first vapor source 1000 to form the first insulating layer 300 passes through the first gap 920, the first insulating layer 300 is formed on a portion of the organic electroluminescent layer 100 corresponding to the first gap 920, and A portion of the organic electroluminescent layer 100 that is blocked by the first sub-mask 910 from failing to receive the material forming the first insulating layer 300 has no material deposited on the surface, and spaced first grooves 310 are formed.

Please refer to FIG. 13 and FIG. 14. In a further embodiment, “a third insulating layer 600 is formed on a side of the second insulating layer 500 away from the first insulating layer 500, and an interval is provided in the third insulating layer 600. The second groove 610 "includes steps S510, S520, and S530. Each step is described in detail below.

In step S510, a second mask plate 900a is provided. The second mask plate 900a is disposed on a side of the second insulation layer 500 away from the first insulation layer 300, and the second mask plate 900a and the second insulation layer 500 have For a second predetermined distance, the second mask plate 900a includes a plurality of second sub-mask plates 910a distributed in a matrix, and there are second gaps 920a between the second sub-mask plates 910a. It can be understood that the second preset distance is at least the height of the third insulating layer 600. The width of the second gap 920a is at least the width of the second touch electrode 700. It can be understood that the pattern of the second sub-mask 910a may be set according to the pattern of the second touch electrode 700.

In step S520, a second vapor source 1000a is provided. The second vapor source 1000a is located on a side of the second mask 900a away from the second insulating layer 500. The second vapor source 1000a is used to provide a material for forming the third insulating layer 600.

In step S530, the second vapor source 1000a provides the second insulating layer 500 with a material forming the third insulating layer 600 through the second gap 920a to form the third insulating layer 600 and the second groove 610. It can be understood that after the second vapor source 1000a provides the material forming the third insulating layer 600 through the second gap 920a, the third insulating layer 600 is formed on a portion of the second insulating layer 500 corresponding to the second gap 920a, and is The second sub-mask 910a blocks a portion of the second insulating layer 500 that has failed to receive the material forming the third insulating layer 600 without depositing any material, and forms second grooves 610 disposed at intervals.

In a further embodiment, the method for forming the first touch electrode 400 includes filling a conductive material for forming the first touch electrode 400 in the first groove 310 to form the first touch electrode 400. The filling method includes a chemical vapor deposition method. Compared with forming the first touch electrode 400 through an etching process, the method can effectively avoid damaging the organic electroluminescent layer 100.

In a further embodiment, the method of forming the second touch electrode 700 includes filling a conductive material for forming the second touch electrode 700 in the second groove 610 to form the second touch electrode 700. The filling method includes a chemical vapor deposition method. Compared with forming the second touch electrode 700 through an etching process, the method can effectively avoid damaging the organic electroluminescent layer 100.

The above-mentioned embodiments only express several implementation manners of the present invention, and their descriptions are more specific and detailed, but they cannot be construed as limiting the patent scope of the present invention. It should be noted that, for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

A touch display panel, wherein the touch display panel includes:

Organic electroluminescent layer

A first insulation layer, the first insulation layer is disposed on one side of the organic electroluminescent layer, and the first insulation layer is provided with first grooves disposed at intervals;

A first touch electrode, and the first touch electrode is disposed in the first groove.
The touch display panel according to claim 1, wherein the touch display panel further comprises:

A second insulating layer disposed on a side of the first touch electrode away from the organic electroluminescent layer;

A third insulating layer, the third insulating layer is disposed on a side of the second insulating layer remote from the first insulating layer, and the third insulating layer is provided with second grooves disposed at intervals;

A second touch electrode, and the second touch electrode is disposed in the second groove.
The touch display panel according to claim 2, wherein the touch display panel further comprises:

An encapsulation layer is disposed on one side of the organic electroluminescent layer, and the first insulating layer is disposed on a surface of the encapsulation layer remote from the organic electroluminescent layer.
The touch display panel according to claim 3, wherein the touch display panel comprises a first organic layer, and the first organic layer is disposed on the first insulating layer and the first touch electrode On a surface remote from the encapsulation layer; the second insulating layer is disposed on a surface of the first organic layer remote from the first insulating layer.
The touch display panel according to claim 3, wherein the packaging layer comprises a fourth insulating layer, the fourth insulating layer is disposed on one side of the organic electroluminescent layer, and the first insulating layer The layer and the first touch electrode are disposed on a side of the fourth insulating layer remote from the organic electroluminescent layer.
The touch display panel according to claim 5, wherein the packaging layer further comprises a second organic layer and a fifth insulating layer, and the second organic layer is disposed on the fourth insulating layer away from the organic layer. On the surface of the electroluminescent layer, the fifth insulating layer is disposed on a surface of the second organic layer away from the fourth insulating layer, and the first insulating layer and the first touch electrode are disposed on all surfaces. The fifth insulating layer is on a surface remote from the organic electroluminescent layer.
The touch display panel according to claim 2, wherein the first touch electrode is a driving electrode or a sensing electrode; when the first touch electrode is a driving electrode of the touch display panel, The second touch electrode is a sensing electrode; when the first touch electrode is a sensing electrode of the touch display panel, the second touch electrode is a driving electrode.
A touch display device, wherein the touch display device comprises a touch display panel according to any one of claims 1-7.
A method for manufacturing a touch display panel, wherein the method for manufacturing a touch display panel includes:

Providing an organic electroluminescent layer;

Forming a first insulating layer on one side of the organic electroluminescent layer, and opening first grooves arranged in the first insulating layer at intervals;

A first touch electrode is formed in the first groove.
The method of manufacturing a touch display panel according to claim 9, wherein the method of manufacturing the touch display panel further comprises:

Forming a second insulating layer on a side of the first touch electrode away from the organic electroluminescent layer;

Forming a third insulating layer on a side of the second insulating layer remote from the first insulating layer, and opening third grooves arranged in the third insulating layer;

A second touch electrode is formed in the second groove.
The method for manufacturing a touch display panel according to claim 10, wherein a first insulation is formed on the "providing an organic electroluminescent layer" and "on one side of the organic electroluminescent layer" Layer, and the first insulating layer with spaced first grooves "is further included between:

Forming an encapsulation layer on one side of the organic electroluminescent layer;

The "forming a first insulating layer on one side of the organic electroluminescent layer, and opening first grooves arranged in the first insulating layer" includes:

A first insulating layer is formed on a surface of the encapsulation layer remote from the organic electroluminescent layer, and first grooves are provided in the first insulating layer.
The method of manufacturing a touch display panel according to claim 11, wherein the method of manufacturing the touch display panel further comprises:

Forming a first organic layer on a surface of the first insulating layer and the first touch electrode away from the packaging layer;

The "forming a second insulating layer on a side of the first touch electrode away from the organic electroluminescent layer" includes:

A second insulating layer is formed on a surface of the first organic layer remote from the first insulating layer.
The method for manufacturing a touch display panel according to claim 11, wherein the method for manufacturing the packaging layer comprises:

Forming a fourth insulating layer on one side of the organic electroluminescent layer;

The "forming a first insulating layer on a surface of the encapsulation layer away from the organic electroluminescent layer, and opening first grooves spaced in the first insulating layer" includes:

A first insulating layer is formed on a side of the fourth insulating layer remote from the organic electroluminescent layer, and first grooves are provided in the first insulating layer.
The method for manufacturing a touch display panel according to claim 13, wherein the method for manufacturing the packaging layer further comprises:

Forming a second organic layer on a surface of the fourth insulating layer remote from the organic electroluminescent layer;

Forming a fifth insulating layer on a surface of the second organic layer remote from the fourth insulating layer;

The "forming a first insulating layer on a side of the fourth insulating layer away from the organic electroluminescent layer, and opening first grooves arranged in the first insulating layer" includes:

A first insulating layer is formed on a surface of the fifth insulating layer remote from the organic electroluminescent layer, and first grooves are provided in the first insulating layer.
The method for manufacturing a touch display panel according to claim 9, wherein "the first insulating layer is formed on one side of the organic electroluminescent layer, and a space is provided in the first insulating layer The first groove provided includes:

A first mask is provided, the first mask is placed on one side of the organic electroluminescent layer, and a first preset is provided between the first mask and the organic electroluminescent layer Distance, the first mask includes a plurality of first sub masks distributed in a matrix, and there is a first gap between the first sub masks;

Providing a first gas phase source, the first gas phase source being located on a side of the first mask plate away from the organic electroluminescent layer, the first gas phase source being used to provide a material for forming a first insulating layer;

A first gas-phase source provides a material forming a first insulating layer to one side of the organic electroluminescent layer through the first gap to form a first insulating layer and a first groove.
The method for manufacturing a touch display panel according to claim 10, wherein "the third insulating layer is formed on a side of the second insulating layer away from the first insulating layer, and The third grooves provided in the three insulating layers are provided at intervals, including:

A second mask is provided, the second mask is placed on a side of the second insulation layer away from the first insulation layer, and between the second mask and the second insulation layer Having a second preset distance, the second mask includes a plurality of second sub masks distributed in a matrix, and a second gap is formed between the second sub masks;

Providing a second vapor source, the second vapor source being located on a side of the second mask away from the second insulating layer, the second vapor source being used to provide a material for forming a third insulating layer;

The second gas-phase source provides the second insulating layer with a material forming a third insulating layer through the second gap to form a third insulating layer and a second groove.
The method of manufacturing a touch display panel according to claim 9, wherein the method of forming the first touch electrode comprises:

A conductive material for forming a first touch electrode is filled in the first groove to form a first touch electrode.
The method for manufacturing a touch display panel according to claim 10, wherein the method for forming the second touch electrode comprises:

A conductive material for forming a second touch electrode is filled in the second groove to form a second touch electrode.