Display screen, display screen manufacturing method, and display device

Abstract

The application relates to a display screen, a display screen preparation method and a display device. The display screen comprises a touch display module, a polaroid and a transparent barrier layer. The polaroid is arranged on the touch side of the touch display module in a laminated mode. The transparent barrier layer can block the penetration of gas impurities, and is arranged between the touch display module and the polaroid. The display screen can solve the problem that the thin film encapsulation layer releases ammonia gas, which reacts with the iodine complex in the polaroid and affects the display function.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display, in particular to a display screen, a display screen manufacturing method and a display device. BACKGROUND

[0002] During the storage of the flexible screen, ammonia remaining in the thin film packaging layer is released in the form of ammonia gas. When the ammonia gas permeates into the polarizer, it reacts with the iodine complex in the polarizer, causing the color of the polarizer to change, affecting the display function of the flexible screen. SUMMARY

[0003] Therefore, it is necessary to provide a display screen, a display screen manufacturing method and a display device to solve the problem that ammonia gas released from the thin film packaging layer reacts with the iodine complex in the polarizer, affecting the display function.

[0004] According to an aspect of the present application, a display screen is provided, comprising: a touch display module; a polarizer, which is stacked on the touch side of the touch display module; and a transparent barrier layer, which is arranged between the touch display module and the polarizer, and is used to block impurity gas from permeating from the touch display module to the polarizer.

[0005] The display screen described above protects the polarizer by arranging a transparent barrier layer between the touch display module and the polarizer, and using the transparent barrier layer to block impurity gas from permeating from the touch display module to the polarizer, so as to avoid the color change or depolarization of the polarizer caused by the permeation of impurity gas, thereby ensuring the display function of the display screen.

[0006] In an embodiment, the transparent barrier layer comprises a transparent conductive layer. On the one hand, the transparent conductive layer has the property of transparency, which can meet the high light transmittance requirement of the transparent barrier layer. On the other hand, the transparent conductive layer has the property of conductivity, which can be reused as other functional layers with conductivity requirements in the display screen.

[0007] In an embodiment, the transparent conductive layer comprises one or more of indium tin oxide, indium zinc oxide, zinc oxide, indium oxide, indium gallium oxide, and aluminum zinc oxide. By using one or more of indium tin oxide, indium zinc oxide, zinc oxide, indium oxide, indium gallium oxide, and aluminum zinc oxide as the transparent conductive layer, a circuit pattern can be formed on the transparent conductive layer through an etching process, thereby forming an antenna.

[0008] In an embodiment, the touch display module has a touch area and a peripheral area at least partially surrounding the touch area; the transparent barrier layer includes a first portion and a second portion, the first portion is located at the touch area, and the second portion is located at the peripheral area; and the second portion is multiplexed as an antenna. Since the second portion of the transparent barrier layer is located at the peripheral area and is multiplexed as an antenna, the touch function of the touch display module is not affected, and the demand for an increased number of antennas can be met without occupying additional space of the display screen.

[0009] In an embodiment, the second portion includes a plurality of wires spaced apart from each other and arranged around the touch area. The antennas are arranged around the periphery of the touch area, so that the number of antennas of the display screen can be increased without affecting the touch function of the touch area.

[0010] In an embodiment, the touch display module includes a touch circuit pad, the antenna includes an antenna electrode pad, and the antenna electrode pad is electrically connected to the touch circuit pad. The antenna electrode pad and the touch circuit pad are electrically connected to realize the control of the antenna of the display screen.

[0011] In an embodiment, the thickness of the transparent barrier layer is 30-50 nm. It can be understood that the greater the thickness of the transparent barrier layer, the better the effect of blocking the penetration of impurity gas, the smaller the thickness of the transparent barrier layer, the smaller the space occupied in the display screen, and the higher the light transmittance of the display screen. By limiting the thickness of the transparent barrier layer to 30-50 nm, the effect of blocking impurity gas of the transparent barrier layer is ensured, the space occupied in the display screen is reduced, and the display screen has a high light transmittance.

[0012] In an embodiment, the display screen further includes an insulating layer formed on the touch side of the touch display module, and the transparent barrier layer is arranged on the side surface of the insulating layer away from the touch display module. It can be understood that the touch display module includes a transparent electrode, and directly arranging the transparent conductive layer on the transparent electrode may damage the original pattern of the transparent electrode. By arranging the insulating layer on the touch display module first, and then arranging the transparent conductive layer on the insulating layer, damage to the transparent electrode during the arrangement process of the transparent conductive layer is avoided.

[0013] According to another aspect of the present application, a display screen preparation method is provided, including the following steps:

[0014] providing a touch display module and a polarizing sheet;

[0015] arranging a transparent barrier layer on one side surface of the polarizing sheet;

[0016] The polarizing sheet is arranged on the touch side of the touch display module in a laminated manner; and the transparent barrier layer is located between the touch display module and the polarizing sheet.

[0017] By arranging the transparent barrier layer on one side surface of the polarizing sheet, the transparent barrier layer is used to block the penetration of impurity gas, so that the polarizing sheet is protected, color change or depolarization of the polarizing sheet caused by penetration of impurity gas is avoided, and the display function of the display screen is ensured.

[0018] According to another aspect of the present application, a display screen preparation method is provided, comprising the following steps:

[0019] A touch display module and a polarizing sheet are provided.

[0020] A transparent barrier layer is arranged on the touch side of the touch display module.

[0021] The polarizing sheet is arranged on the transparent barrier layer in a laminated manner.

[0022] By arranging the transparent barrier layer on the touch side of the touch module, the transparent barrier layer is used to block the penetration of impurity gas, so that the polarizing sheet is protected, color change or depolarization of the polarizing sheet caused by penetration of impurity gas is avoided, and the display function of the display screen is ensured.

[0023] In an embodiment, the touch display module has a touch area and a peripheral area at least partially surrounding the touch area; the display screen preparation method further comprises: forming a line pattern on the part of the transparent barrier layer located in the peripheral area; and the line pattern is multiplexed as an antenna. The line pattern arranged on the transparent barrier layer and located in the peripheral area is multiplexed as an antenna of the display screen, which does not need to occupy additional space on the display screen to meet the increasing demand for the number of antennas.

[0024] According to still another aspect of the present application, a display device is provided, comprising the display screen as described above. BRIEF DESCRIPTION OF DRAWINGS

[0025] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of preferred embodiments, and are not meant to limit the present application. Moreover, the same reference numerals in the drawings indicate the same or similar elements throughout the several drawings. In the drawings:

[0026] Figure 1 FIG. 1 is a structural schematic diagram of a display screen according to an embodiment of the present application;

[0027] Figure 2 FIG. 2 is a top view of the display screen in FIG. 1; Figure 1

[0028] Figure 3 ​for the cross-sectional structure along the direction of A-A in the middle Figure 2 for the cross-sectional structure along the direction of A-A in the middle

[0029] Figure 4 for the cross-sectional structure along the direction of A-A in the middle

[0030] Figure 5 for the cross-sectional structure along the direction of A-A in the middle

[0031] Figure 6 for the cross-sectional structure along the direction of A-A in the middle

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 10, display screen; 100, touch display module; 110, touch area; 120, peripheral area; 130, touch circuit pad; 200, polarizer; 300, transparent barrier layer; 400, antenna; 410, antenna electrode pad; 500, conductive adhesive layer. DETAILED DESCRIPTION

[0034] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described and it is therefore contemplated to cover all such modifications as fall within the scope of the application. It is to be understood that the following description is exemplary only and is intended to provide a descriptive copy of the preferred embodiments and as such should not be used to limit the scope of the present application.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0037] In the present application, unless specifically defined otherwise, the terms "mount", "connected", "connecting", "fixed", and "fixedly" are used broadly and encompass direct and indirect connections, as well as fixed and non-fixed connections. Other definitions will be apparent to those of ordinary skill in the art in view of the teachings herein.

[0038] In the present application, unless specifically defined otherwise, the terms "on", "under", "above" and "below" are used broadly and encompass direct and indirect connections, as well as relationships in which intervening materials or components are present. Thus, for example, a first component described as "on" a second component can be directly on the second component or otherwise be indirectly on the second component with one or more intervening components present. Similarly, a first component described as "beneath" or "under" a second component can be directly beneath the second component or be indirectly beneath the second component with one or more intervening components present. In contrast, a first component described as "directly on" or "directly beneath" a second component is used to signify that no intervening components are present. Other definitions will be apparent to those of ordinary skill in the art in view of the teachings herein.

[0039] It should be noted that when an element or layer is referred to as being "on" or "connected to" another element or layer, it can be directly on or connected to the other element or layer or intervening elements or layers can also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements or layers present. Like numbers refer to like elements throughout. It should be understood that, although the terms "first", "second", etc. can be used herein to describe various elements, these elements should not be limited by these terms since such elements are commonly known to have temporal meanings as well. The terms "first", "second", etc. are used to distinguish one element from another element.

[0040] Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment. The appearances of the phrase "in one embodiment" or "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a common embodiment. It will be appreciated that those skilled in the art will be able to devise many embodiments that although not explicitly described herein, embody the principles of the application and are thus within the spirit and scope of the application.

[0041] In the preparation process of the display screen, there are impurity gases remaining in the display screen. These impurity gases can be gradually released during the storage of the display screen. When the released impurity gases permeate into the layer structure of the display screen, they can react with the substances in the layer structure, thereby affecting the performance of the display screen.

[0042] For a flexible display screen, considering its flexible characteristics, it is inconvenient to use the traditional rigid cover plate packaging, and therefore, a thin film packaging technology is usually used for packaging. The thin film packaging technology is to form a thin film packaging layer covering the OLED device on a substrate to avoid the OLED device from being attacked by moisture and oxygen and failing. The process of forming the thin film packaging layer includes: using a mixed gas of ammonia, silane and nitrogen as a reaction gas to deposit a silicon nitride thin film on the substrate. The reaction of ammonia, silane and nitrogen needs to be carried out in a low-temperature environment, and a large amount of ammonium ions will be generated. After the thin film packaging layer is formed, part of the ammonium ions will remain in the thin film packaging layer.

[0043] The polarizer includes a metal polarizer, an iodine polarizer, a dye polarizer and a polyethylene polarizer. For any type of polarizer, the realization of its polarizing effect depends on the directional arrangement of molecules / molecular groups with optical anisotropy. In the polarizer, the polarization direction of the absorbed polarized light is called the light absorption axis direction, and the polarization direction of the emitted light is called the light transmission axis direction, and the light absorption axis and the light transmission axis direction are orthogonal. For the iodine polarizer commonly used in display devices, the polarizing effect is realized by the directional arrangement of iodine ions on a polyvinyl alcohol film. When light passes through the polarizer, linearly polarized light with a polarization direction along the arrangement direction of iodine ions is absorbed, and the emitted light is linearly polarized light.

[0044] During the storage of the display screen, the ammonium ions remaining in the thin film packaging layer will overflow in the form of ammonia gas, penetrate into the polarizer, and react with the iodine complex in the polarizer, destroying the balance of the I5 - complex and the I3 - complex, thereby causing the color of the polarizer to change and affecting the display function of the display screen.

[0045] To solve the above problems, in the related art, the use amount of ammonia gas in the production process of the display screen is reduced to reduce the ammonia gas concentration, so as to reduce the discoloration degree of the polarizer during the storage of the display screen. However, due to the limitation of the production process, the use amount of ammonia gas cannot be greatly reduced, so it is difficult to well solve the problem of discoloration of the polarizer during the storage of the display screen.

[0046] To solve the above problems, the embodiments of the present application provide a display screen, which is provided with a barrier layer capable of blocking impurity gas between the touch display module and the polarizer, to prevent the impurity gas from penetrating into the polarizer and improve the problem of discoloration of the polarizer during the storage of the display screen.

[0047] The display panel disclosed in the embodiments of the present application can be applied to the fields of mobile phone terminals, bionic electronics, electronic skin, wearable devices, vehicle-mounted devices, Internet of Things devices and artificial intelligence devices. For example, the above can be applied to digital devices such as mobile phones, tablets, palm computers, iPods and smart watches.

[0048] Figure 1 a structural schematic diagram of a display screen in an embodiment of the present application is shown, Figure 2 a structural schematic diagram of a display screen in an embodiment of the present application is shown, Figure 1 a top view of a display screen in an embodiment of the present application is shown.

[0049] Referring to Figure 1 and Figure 2 , the display screen 10 in at least one embodiment of the present application includes a touch display module 100, a polarizer 200, and a transparent barrier layer 300. The polarizer 200 is stacked on the touch side of the touch display module 100, the transparent barrier layer 300 is arranged between the touch display module 100 and the polarizer 200, and the transparent barrier layer 300 is used to block impurity gas from penetrating from the touch display module 100 to the polarizer 200.

[0050] It can be understood that the touch display module 100 includes an encapsulation layer. In the present embodiment, the transparent barrier layer 300 is arranged between the touch display module 100 and the polarizer 200 to separate the polarizer 200 from the touch display module 100, thereby separating the polarizer 200 from the encapsulation layer of the display panel, preventing impurity gas in the encapsulation layer from penetrating into the polarizer 200, and further preventing the polarizer 200 from fading due to the gas released by the encapsulation layer, so as to protect the display function of the display screen 10.

[0051] In some embodiments, the transparent barrier layer 300 includes a transparent conductive layer. On the one hand, since the transparent conductive layer has the property of being transparent, it can meet the high light transmittance requirement of the transparent barrier layer 300. On the other hand, since the transparent conductive layer has the property of being conductive, it can be reused as other functional layers that require conductivity in the display screen 10.

[0052] Specifically, the transparent barrier layer 300 includes a transparent conductive layer and a transparent non-conductive layer stacked together, or the transparent barrier layer 300 includes a transparent conductive layer but does not include a transparent non-conductive layer.

[0053] In a specific embodiment, the transparent barrier layer 300 includes a transparent conductive layer and a transparent non-conductive layer stacked together. The transparent non-conductive layer has the property of preventing impurity gas from penetrating. The transparent non-conductive layer plays a role in blocking impurity gas corresponding to part of the touch area 110, or the transparent non-conductive layer can play a role in blocking impurity gas corresponding to part of the touch area 110 and part of the peripheral area 120. At the same time, the transparent conductive layer is provided with a circuit pattern corresponding to part of the peripheral area 120 to form an antenna 400. The transparent conductive layer corresponding to part of the touch area 110 is hollowed out to reduce material consumption of the transparent conductive layer and reduce costs, or the transparent conductive layer corresponding to part of the touch area 110 is not hollowed out, thereby enhancing the effect of the transparent barrier layer 300 in blocking impurity gas.

[0054] In a specific embodiment, the transparent barrier layer 300 includes a transparent conductive layer, but does not include a transparent non-conductive layer, the transparent conductive layer itself has the characteristic of preventing the penetration of impurity gas, the part of the transparent conductive layer corresponding to the touch area 110 plays the role of barrier to impurity gas, and the part of the transparent conductive layer corresponding to the peripheral area 120 is provided with a circuit pattern to form the antenna 400. Wherein, the antenna 400 can be a circuit pattern formed by additionally setting a conductive material on the transparent conductive layer, so that the circuit pattern can be pre-processed to improve production efficiency. The antenna 400 can also be a circuit pattern formed by etching the transparent conductive layer, that is, the antenna 400 and the transparent conductive layer are integrated, the process is simple, and the consumption of materials is reduced. Since the transparent conductive layer itself has the characteristic of preventing the penetration of impurity gas, it is not necessary to additionally set a multi-layer structure to block impurity gas, so that the transparent barrier layer 300 occupies less space of the display screen 10, and has less influence on the light transmittance of the display screen 10.

[0055] Further, the transparent conductive layer includes one or more of indium tin oxide, indium zinc oxide, zinc oxide, indium oxide, indium gallium oxide, and aluminum zinc oxide. By using the transparent conductive characteristics of indium tin oxide, indium zinc oxide, zinc oxide, indium oxide, indium gallium oxide, and aluminum zinc oxide, one or more of them is selected as a transparent conductive layer, which can prevent impurity gas from penetrating into the polarizer 200, facilitate reuse as other functional layers with conductive requirements in the display screen 10, and have less influence on the light transmittance of the display screen 10.

[0056] In some embodiments, the touch display module 100 has a touch area 110 and a peripheral area 120 at least partially surrounding the touch area 110; the display screen 10 further includes an antenna 400, the antenna 400 is arranged in the peripheral area 120, and the transparent barrier layer 300 includes a first part located in the touch area 110 and a second part located in the peripheral area 120; wherein the second part is reused as the antenna 400. With the development of 5G technology, the demand for the number of antennas 400 in the display screen 10 of electronic devices such as mobile phones has increased dramatically, but a large number of antennas 400 will occupy the limited space in the display screen 10. In the embodiment of the present application, since the second part of the transparent barrier layer 300 is located in the peripheral area 120, the second part is reused as the antenna 400, which does not interfere with the touch function of the touch display module 100, and at the same time, it can meet the increasing demand for the number of antennas 400 without additionally occupying the space of the display screen 10.

[0057] In some embodiments, the second part includes a plurality of traces spaced apart from each other and arranged around the touch area 110. By arranging the antenna 400 around the periphery of the touch area 110, the number of antennas 400 of the display screen 10 is increased without affecting the touch function of the touch area 110. Moreover, by arranging the antenna 400 in a direction in which a plurality of traces spaced apart from each other are arranged around the periphery of the touch area 110, the space in the display screen 10 can be fully utilized, and the number of antennas 400 is increased as much as possible under the condition of occupying less space, so that the demand for increasing the number of antennas 400 is met without increasing the volume of the display screen 10.

[0058] In some embodiments, the thickness of the transparent barrier layer 300 is 30 nm to 50 nm. Specifically, the thickness of the transparent barrier layer 300 can be 31 nm, 32 nm, 33 nm, 35 nm, 37 nm, 38 nm, 39 nm, 40 nm, 41 nm, 42 nm, 43 nm, 45 nm, 47 nm, 48 nm, or 49 nm. It can be understood that in the display screen 10, the arrangement of the transparent barrier layer 300 will reduce the light transmittance to a certain extent. The smaller the thickness of the transparent barrier layer 300, the higher the light transmittance of the display screen 10, and the smaller the space occupied by the transparent barrier layer 300 in the display screen 10. From the perspective of barrier effect, the greater the thickness of the transparent barrier layer 300, the better the effect of blocking impurity gases. In the embodiments of the present application, by limiting the thickness of the transparent barrier layer 300 to 30 nm to 50 nm, the transparent barrier layer 300 is ensured to have a good effect of blocking impurity gases, while the space occupied in the display screen 10 is reduced, and the display screen 10 has a high light transmittance.

[0059] In some embodiments, the transparent barrier layer 300 is arranged on the side surface of the polarizer 200 facing the touch display module 100. Further, the transparent barrier layer 300 can be arranged on the side of the polarizer 200 facing the touch display module 100 by a vapor deposition process. In other embodiments, an insulating layer is arranged on the side of the touch display module 100 facing the polarizer 200, and the transparent barrier layer 300 is arranged on the side surface of the insulating layer facing away from the touch display module 100. Further, the transparent barrier layer 300 can be arranged on the side surface of the insulating layer facing away from the touch display module 100 by a vapor deposition process. It can be understood that the touch display module 100 includes electrodes with a patterned design, and directly arranging the transparent conductive layer on the electrodes of the touch display module 100 can damage the original pattern of the electrodes. By arranging the insulating layer on the touch display module 100 first, and then arranging the transparent conductive layer on the insulating layer, damage to the electrodes caused by the process of arranging the transparent conductive layer is avoided. Specifically, the insulating layer can be arranged on the side surface of the polarizer 200 or on the side surface of the touch display module 100 according to the convenience of the processing process, so as to form the transparent barrier layer 300 between the touch display module 100 and the polarizer 200, which is not limited herein.

[0060] Figure 3 A cross-sectional structure schematic view along the direction of A-A of the antenna 400 is shown. Figure 2 A cross-sectional structure schematic view along the direction of A-A of the antenna 400 is shown.

[0061] Referring to Figure 2 and Figure 3 Further, the antenna 400 includes an antenna electrode pad 410, and the touch display module 100 includes a touch circuit pad 130, and the antenna 400 and the touch display module 100 are electrically connected through the antenna electrode pad 410 and the touch circuit pad 130. In a specific embodiment, a conductive adhesive layer 500 is arranged between the antenna 400 and the touch display module 100, and the antenna electrode pad 410 and the touch circuit pad 130 are electrically connected through the conductive adhesive layer 500.

[0062] In an embodiment, the display screen 10 comprises a touch display module 100, a polarizer 200, and an indium tin oxide film arranged between the touch display module 100 and the polarizer 200, and the indium tin oxide film is evaporated on the surface of the polarizer 200. The touch display module 100 has a touch area 110 and a peripheral area 120 surrounding the touch area 110, and a circuit pattern is formed by etching a portion of the indium tin oxide film corresponding to the peripheral area 120, and the circuit pattern is multiplexed as an antenna 400 of the display screen 10. The indium tin oxide is evaporated on the surface of the polarizer 200 to block the ammonia released by the thin film packaging layer of the touch display module 100, so as to avoid the color change of the polarizer 200 due to the reaction between the substances in the polarizer 200 and the ammonia. Meanwhile, the indium tin oxide is conductive and transparent, and the antenna 400 is formed by etching the position of the indium tin oxide corresponding to the peripheral area 120, so as to increase the number of the antenna 400 without occupying additional space in the display screen 10.

[0063] Figure 4 A flow chart of a display screen preparation method in an embodiment of the present application is shown.

[0064] Referring to Figure 1 and Figure 4 , based on the same inventive concept, the present application further provides a display screen preparation method, comprising the following steps:

[0065] Step S1, providing a touch display module and a polarizer;

[0066] Step S2, arranging a transparent barrier layer on one side surface of the polarizer;

[0067] Step S3, laminating the polarizer on the touch side of the touch display module; wherein the transparent barrier layer is arranged between the touch display module and the polarizer.

[0068] The display screen preparation method in the embodiment of the present application protects the polarizer 200 by arranging the transparent barrier layer 300 on one side surface of the polarizer 200 and blocking the penetration of impurity gas by the transparent barrier layer 300, so as to avoid the color change or depolarization of the polarizer 200 due to the penetration of impurity gas, thereby protecting the display function of the display screen 10.

[0069] Figure 5 A flow chart of a display screen preparation method in another embodiment of the present application is shown.

[0070] Referring to Figure 1 and Figure 5 , based on the same inventive concept, the present application further provides a display screen preparation method, comprising the following steps:

[0071] Step S1', providing a touch display module and a polarizer;

[0072] Step S2', a transparent barrier layer is arranged on the touch side of the touch display module;

[0073] Step S3', the polarizer is arranged on the transparent barrier layer.

[0074] The display screen preparation method in the embodiments of the present application arranges the transparent barrier layer 300 on the touch side of the touch module, uses the transparent barrier layer 300 to block the penetration of impurity gas, protects the polarizer 200, avoids the color change or depolarization of the polarizer 200 caused by the penetration of impurity gas, and thus guarantees the display function of the display screen 10.

[0075] Further, the transparent barrier layer 300 can be arranged on the side of the polarizer 200 facing the touch display module 100 through the evaporation process, or the transparent barrier layer 300 can be arranged on the surface of the insulating layer away from the touch display module 100 through the evaporation process. Specifically, the insulating layer can be arranged on one side surface of the polarizer 200 or the insulating layer can be arranged on one side surface of the touch display module 100 according to the convenience of the processing process, so as to form the transparent barrier layer 300 between the touch display module 100 and the polarizer 200, which is not limited herein.

[0076] In some embodiments, the step of arranging the transparent barrier layer 300 on the surface of the polarizer 200 is performed after the lamination of the structure layers of the polarizer 200 itself is completed, so as to avoid the damage to the structure of the polarizer 200 caused by the process of arranging the transparent barrier layer 300.

[0077] Figure 6 A flow chart of the display screen preparation method in another embodiment of the present application is shown.

[0078] Referring to Figure 1 , Figure 2 and Figure 6 , in some embodiments, the touch display module 100 has a touch area 110 and a peripheral area 120 at least partially surrounding the touch area 110; the display screen preparation method further comprises:

[0079] Step S21, forming a line pattern on the part of the transparent barrier layer located in the peripheral area; the line pattern is multiplexed as an antenna.

[0080] By arranging the line pattern on the transparent barrier layer 300, the number of antennas 400 is increased without occupying the space of the display screen 10.

[0081] In some embodiments, the transparent barrier layer 300 comprises a transparent conductive layer, and the line pattern is arranged on the transparent conductive layer. Specifically, the transparent barrier layer 300 comprises a transparent conductive layer and a transparent non-conductive layer arranged in layers, or the transparent barrier layer 300 comprises a transparent conductive layer but does not comprise a transparent non-conductive layer.

[0082] In one embodiment, the transparent barrier layer 300 comprises a transparent conductive layer and a transparent non-conductive layer arranged in a stack, the transparent non-conductive layer has the characteristic of preventing the penetration of impurity gas, the transparent non-conductive layer corresponding to the portion of the touch area 110 has the effect of blocking impurity gas, or the transparent non-conductive layer corresponding to the portion of the touch area 110 and the portion corresponding to the peripheral area 120 can both have the effect of blocking impurity gas. At the same time, the transparent conductive layer corresponding to the portion of the peripheral area 120 is provided with a line pattern to form the antenna 400. Among them, the transparent conductive layer corresponding to the portion of the touch area 110 is hollowed out to reduce the material consumption of the transparent conductive layer and reduce the cost, or the transparent conductive layer corresponding to the portion of the touch area 110 is not hollowed out, thereby enhancing the effect of the transparent barrier layer 300 in blocking impurity gas.

[0083] In one embodiment, the transparent barrier layer 300 comprises a transparent conductive layer, but does not comprise a transparent non-conductive layer, the transparent conductive layer itself has the characteristic of preventing the penetration of impurity gas, the transparent conductive layer corresponding to the portion of the touch area 110 has the effect of blocking impurity gas, and the transparent conductive layer corresponding to the portion of the peripheral area 120 is provided with a line pattern to form the antenna 400. Among them, the antenna 400 can be a line pattern formed by an additional conductive material on the transparent conductive layer, so that the line pattern can be pre-processed to improve production efficiency. The antenna 400 can also be a line pattern formed by etching the transparent conductive layer, that is, the antenna 400 and the transparent conductive layer are an integrated structure, the process is simple, and the consumption of materials is reduced. Since the transparent conductive layer itself has the characteristic of preventing penetration, it is not necessary to additionally set up a multi-layer structure to block impurity gas, so that the transparent barrier layer 300 has a smaller space occupation on the display screen 10, and has a smaller influence on the light transmittance of the display screen 10.

[0084] Based on the same inventive concept, the present application also provides a display device, which comprises the display screen as described above.

[0085] The technical features of the above-mentioned embodiments can be combined in any manner. In order to make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0086] The above-mentioned embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A display screen, characterized by The display screen comprises: a touch display module; a polarizer arranged on a touch side of the touch display module; a transparent barrier layer arranged between the touch display module and the polarizer, and configured to prevent impurity gas from penetrating from the touch display module to the polarizer; the transparent barrier layer comprises a transparent conductive layer; the touch display module has a touch area and a peripheral area at least partially surrounding the touch area; the transparent barrier layer comprises a second part located in the peripheral area; the second part is multiplexed as an antenna; the touch display module comprises touch circuit pads, and the antenna comprises antenna electrode pads electrically connected to the touch circuit pads; the second part comprises a plurality of wires arranged around the touch area and spaced from each other; the display screen further comprises an insulating layer formed on the touch side of the touch display module, and the transparent barrier layer is arranged on a side surface of the insulating layer away from the touch display module.

2. The display screen of claim 1, wherein, The transparent conductive layer comprises one or more of indium tin oxide, indium zinc oxide, zinc oxide, indium oxide, indium gallium oxide, and aluminum zinc oxide.

3. A display screen according to claim 1 or 2, characterised in that, The transparent barrier layer comprises a first part located in the touch area.

4. A display screen according to claim 1 or 2, characterised in that The thickness of the transparent barrier layer is 30 nm to 50 nm.

5. A method of manufacturing a display screen, characterized by The display screen comprises the following steps: providing a touch display module and a polarizer; arranging a transparent barrier layer on a side surface of the polarizer; the transparent barrier layer comprises a transparent conductive layer; arranging the polarizer on a touch side of the touch display module; wherein the transparent barrier layer is arranged between the touch display module and the polarizer; the touch display module has a touch area and a peripheral area at least partially surrounding the touch area; the transparent barrier layer comprises a second part located in the peripheral area; the second part is multiplexed as an antenna; the touch display module comprises touch circuit pads, and the antenna comprises antenna electrode pads electrically connected to the touch circuit pads; the second part comprises a plurality of wires arranged around the touch area and spaced from each other; the display screen further comprises an insulating layer formed on the touch side of the touch display module, and the transparent barrier layer is arranged on a side surface of the insulating layer away from the touch display module.

6. A method of manufacturing a display screen, characterized by The display screen comprises the following steps: providing a touch display module and a polarizer; arranging a transparent barrier layer on a touch side of the touch display module; the transparent barrier layer comprises a transparent conductive layer; arranging the polarizer on the transparent barrier layer; the touch display module has a touch area and a peripheral area at least partially surrounding the touch area; the display screen preparation method further comprises: forming a circuit pattern on the part of the transparent barrier layer located in the peripheral area; the circuit pattern is multiplexed as an antenna; the touch display module comprises touch circuit pads, and the antenna comprises antenna electrode pads electrically connected to the touch circuit pads; the circuit pattern comprises a plurality of wires arranged around the touch area and spaced from each other; The display screen further comprises an insulating layer formed on a touch side of the touch display module, and the transparent barrier layer is arranged on a side surface of the insulating layer away from the touch display module.

7. A display device, characterized by comprising: The display screen comprises the display screen according to any one of claims 1 to 4.

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