A protective substrate, a display module and a terminal device

Abstract

The present disclosure relates to a protective substrate, a display module, and a terminal device. The protective substrate is used for the display module of the terminal device and includes: a substrate body, at least one preset position of the substrate body is provided with a functional area; a detachable shielding portion is disposed at each of the functional areas, and the shielding portion is used to shield the corresponding functional area; wherein, the functional area includes a functional hole or a functional groove adapted to the functional element of the terminal device. By using the protective substrate of the present disclosure, different functional areas can be selected and the shielding portions can be removed according to the change in the setting position of the functional devices of the terminal device, so as to ensure that the functional devices corresponding to the functional areas under the display module of the terminal device can function properly. Thus, the protective substrate can be shared among different products, the product adjustment is more flexible and convenient, and there is no need to set different protective substrates for different models of terminal devices, saving design and production costs.

Description

Technical Field

[0001] The present disclosure relates to the field of terminals, and particularly to a protective substrate, a display module, and a terminal device. Background Art

[0002] With the progress of technology, terminal products such as mobile phones have developed rapidly and have gradually become necessities in people's lives. Terminal products such as mobile phones are updated quickly, with diverse functions and forms, and the selling points, product definitions, and overall stacking structures of different mobile phones are also different.

[0003] In order to save costs and improve the processing efficiency of mobile phones, there is often a need to share mobile phone modules among different brands of the same company, different product lines, or even different companies. For example, some structures in the display module are shared. In related technologies, only high-value structures in the display module can be shared, and other structures in the display module still need to be separately designed according to product characteristics, making it difficult to meet the demand for sharing display modules during processing. Summary of the Invention

[0004] To overcome the problems existing in related technologies, the present disclosure provides a protective substrate, a display module, and a terminal device.

[0005] According to a first aspect of an embodiment of the present disclosure, a protective substrate for a display module of a terminal device is provided, including: a substrate body, and at least one preset position of the substrate body is provided with a functional area;

[0006] A detachable shielding portion is provided at each functional area, and the shielding portion is used to shield the corresponding functional area; wherein, the functional area includes a functional hole or a functional groove adapted to a functional element of the terminal device.

[0007] Optionally, the shielding portion is a shielding film pre-set on the substrate body, and the shielding film can cover the functional area.

[0008] Optionally, an indentation line is provided along the circumferential direction of the functional area, and the area surrounded by the indentation line forms the shielding portion; under the action of an external force, the shielding portion can be removed along the indentation line to expose the functional area.

[0009] Optionally, the substrate body is a single-layer structure, and through holes are provided on the substrate body, and the through holes form the functional holes.

[0010] Optionally, the substrate body includes a first layer and a second layer stacked, and through holes are provided at preset positions on the first layer and / or the second layer to form the functional holes or functional grooves at the preset positions.

[0011] Optionally, the first layer and the second layer are provided with corresponding through holes at the preset position, so that the functional holes are formed at the preset position.

[0012] Optionally, the first layer or the second layer is provided with a through hole at the preset position, so that the functional groove is formed at the preset position.

[0013] Optionally, the functional groove is a thickness reduction area adapted to the pressure sensing element.

[0014] Optionally, the shielding portion is a release film.

[0015] According to a second aspect of the embodiments of the present disclosure, a display module is provided, including a cover plate, a display panel, and the above-mentioned protective substrate; in the thickness direction of the terminal device, the cover plate, the display panel, and the protective substrate are sequentially stacked.

[0016] According to a third aspect of the embodiments of the present disclosure, a terminal device is provided, including the above-mentioned display module.

[0017] Optionally, it further includes a photosensitive element disposed below the protective substrate; a functional hole is provided at a position corresponding to the photosensitive element on the protective substrate of the display module.

[0018] Optionally, it further includes a photosensitive element, a fingerprint module, and a pressure sensing element disposed below the protective substrate;

[0019] A first functional hole is provided at a position corresponding to the photosensitive element on the protective substrate of the display module, a second functional hole is provided at a position corresponding to the fingerprint module on the protective substrate; a functional groove is provided at a position corresponding to the pressure sensing element on the protective substrate, wherein the functional groove is a thickness reduction area adapted to the pressure sensing element.

[0020] The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: By using the protective substrate of the present disclosure, different functional areas can be selected and the shielding portion can be removed according to the change of the setting position of the functional devices of the terminal device, so as to ensure that the functional devices corresponding to the functional areas under the display module of the terminal device can function properly. Thus, the protective substrate can be shared among different products, the product adjustment is more flexible and convenient, there is no need to set different protective substrates for different models of terminal devices, and the design and production costs are saved.

[0021] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. Description of the Drawings

[0022] The accompanying drawings herein are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the present invention and used together with the specification to explain the principles of the present invention.

[0023] Figure 1 It is a schematic structural diagram of a display module shown according to an exemplary embodiment.

[0024] Figure 2 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0025] Figure 3 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0026] Figure 4 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0027] Figure 5 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0028] Figure 6 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0029] Figure 7 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0030] Figure 8 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment.

[0031] Figure 9 It is a schematic diagram of a protective substrate shown according to an exemplary embodiment. Detailed implementation manners

[0032] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present invention. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.

[0033] With the progress of technology, terminal products such as mobile phones have developed rapidly and have gradually become necessities in people's lives. Terminal products such as mobile phones are updated quickly, with various functions and forms, and the selling points, product definitions, and overall stacking structures of different mobile phones are also different.

[0034] In order to save costs and improve the processing efficiency of mobile phones, there is often a need for sharing mobile phone modules among different brands of the same company, different product lines, or even different companies. For example, some structures in the display module are shared.

[0035] Among them, the sharing of modules needs to meet the requirements that the drawings of the structural modules are exactly the same and the material numbers are the same, so as to ensure the maximum applicability during the product adjustment process. As the carrier device for realizing various functions, the display module (the screen part of the mobile phone) often requires separate dedicated designs for different mobile phones. Therefore, in the related art, if the sharing of the display module needs to be realized, the main method is to try to share the high-value and long-cycle materials in the display module, such as the display panel (panel). That is, in the related art at present, only the high-value structural sharing in the display module can be achieved, and other structures in the display module, such as the cover panel, still need to be separately designed according to the product characteristics, making it difficult to meet the requirements of sharing the entire display module during processing.

[0036] In the related art, compared with the display panel (panel), the cover panel is a low-value material, but it is an essential structure in the display module. Although most designs of the display module can be shared, if it cannot be shared between different products due to different cover panels, it will directly lead to different drawings and material numbers of the overall display module, unable to meet the requirement of flexible calling of the display module between products, and at the same time affecting the processing efficiency during the mobile phone processing; when the sales volume of a certain product is not good, it will also cause waste of module materials, which is not conducive to product competition.

[0037] To solve the above technical problems, the present disclosure proposes a cover panel for the display module of a terminal device, including: a substrate body, and at least one preset position of the substrate body is provided with a functional area; a detachable shielding portion is provided at each functional area, and the shielding portion is used to shield the corresponding functional area; wherein, the functional area includes a functional hole or a functional groove adapted to the functional element of the terminal device. By using the cover panel of the present disclosure, it is possible to select different functional areas and remove the shielding portion according to the change in the setting position of the functional device of the terminal device, so as to ensure that the functional device corresponding to the functional area under the display module of the terminal device can function properly, thereby realizing the sharing of the cover panel between different products, making product adjustment more flexible and convenient, without setting different cover panels for different models of terminal devices, saving design and production costs.

[0038] In an exemplary embodiment, the cover panel of this embodiment is used for the display module of a terminal device. Among them, the terminal device can be, for example, a portable electronic device such as a mobile phone, a computer, or a tablet computer. Such as Figure 1As shown in the figure, the display module refers to the overall display component of a terminal device that includes structures such as a cover plate 3 (cover window), a display panel 2 (panel), and a protective substrate 1 (cover panel). The protective substrate 1 can be an opaque (such as black) plate-shaped structure, which is attached to the side of the display panel away from the user's visible surface. For example, the protective substrate 1 includes a foam with a light-shielding tape, and the side of the light-shielding tape away from the foam can be used to paste with the display panel. In this embodiment, the protective substrate 1 can play a role in supporting the strength and buffering protection of the display panel 2, preventing other components inside the mobile phone from colliding with the display screen. At the same time, the protective substrate 1 can also play a role in light shielding, preventing the light emitted by the display panel 2 from affecting other components inside the terminal, and also preventing stray light such as the flash from affecting the display effect of the display module.

[0039] In this embodiment, as Figure 2 shown, the protective substrate 1 includes: a substrate body 10, and at least one preset position of the substrate body 10 is provided with a functional area 100. Among them, the substrate body 10 refers to an integrated structure composed of a foam and a light-shielding tape. The preset position can be, for example, the position on the substrate body 1 corresponding to the corresponding functional element of the terminal device. Among them, the functional element of the terminal device refers to: an element that needs to cooperate with the display module to achieve a function. For example, a photosensitive element requires ambient light to pass through the display module to achieve ambient light data detection; another example is an optical fingerprint element, which needs to satisfy that the light inside the terminal can pass through the display module and irradiate the fingerprint, and the light reflected by the fingerprint can pass through the display module and be fed back to the optical fingerprint element; another example is a pressure-sensing element, which needs to sense the pressure change on the display module to generate different signals.

[0040] Still referring to Figure 2 , a detachable shielding portion 101 is provided at each functional area 100, and the shielding portion 101 is used to shield the corresponding functional area 100. By removing the shielding portion 101, the functional area 100 can be exposed to meet the requirements of the under-screen functional elements of the terminal device for light collection or thickness. The functional area 100 includes a functional hole 102 or a functional groove adapted to the functional element of the terminal device. In this embodiment, the functional hole 102 can be a through-hole structure (adapted to a photosensitive element or an optical fingerprint element) after removing the shielding portion 101, and the functional groove can be a groove structure after removing the shielding portion 101. The groove structure is a thickness-reduced area relative to other areas of the substrate body 10 (suitable for a pressure-sensing element). For example, when the functional area 100 corresponds to a photosensitive element, after removing the shielding portion 101, a through-hole that can allow light to pass through is exposed at this position, and the through-hole corresponds to the photosensitive element to meet the light collection requirements of the photosensitive element. Another example is that when the functional area 100 corresponds to a pressure-sensing element, after removing the shielding portion 101, the pressure-sensing element can accurately receive the pressure information transmitted from the thickness-reduced area at this position. If the thickness is too thick, it will affect the sensitivity of the pressure-sensing element.

[0041] Combined with this embodiment and production requirements, functional areas (functional holes or functional grooves) can be provided at different preset positions on the substrate body 10, so that after removing the shielding parts corresponding to the respective functional areas, the functional elements of the terminal device corresponding to the functional areas can function properly, so as to meet the design requirements of the under-screen functional elements of various different terminal devices. By using the substrate body in this embodiment, the cover panels of different terminal devices can be shared. On the basis of sharing the cover plate and the display panel, the display modules of different terminal devices can finally be shared (the module drawings and material numbers are the same), making product adjustment more flexible and convenient, and effectively reducing the production cost of the terminal.

[0042] In an exemplary embodiment, still referring to Figure 2 , the shielding part 101 is a shielding film pre-set on the substrate body 10, and the shielding film can cover the functional area 100. During the processing, for example, the material of the cover panel (the material can be, for example, a foam with a light-shielding tape) can be die-cut according to the corresponding drawing in advance to obtain the substrate body 10 with through holes. In this embodiment, the shielding part 101 is a shielding film pre-set on the substrate body 10. The processing method can be, for example, cutting the pre-release-treated release film to obtain a shielding film adapted to the size of the functional area 100, and laminating the cut substrate body 10 and the cut shielding film to form an integral structure, and the shielding film can cover the functional area 100. The shielding film is a release film structure, which can be distinguished from the structure of the substrate body 10, and there is no adhesion or slight adhesion between the two. Under the action of an external force, the shielding film in the form of a release film can be easily peeled off, so that the functional area 100 is exposed.

[0043] In an exemplary embodiment, as Figures 3 to 5 shown, the substrate body 10 is a single-layer structure, and through holes are provided on the substrate body 10, and the through holes form functional holes. It should be noted that in this embodiment, after peeling off the shielding part 101 in the form of a release film, the through holes can only form functional holes and cannot form functional grooves. The protective substrate in this example is suitable for terminal devices that need to be provided with functional holes.

[0044] In an example, as Figure 3As shown, the protective substrate is provided with a functional area 100 in the form of a through-hole at a preset position (at position A), that is, a functional hole. A shielding portion 101 (release film) is provided at the functional area 100. The protective substrate 1 in this example is applicable to terminal devices provided with a common photosensitive element at the corresponding position A shown in the figure. When assembling a mobile phone with a display module containing the protective substrate in this example, it is necessary to tear off the shielding portion 101 at position A, and the functional area 100 then realizes light transmission, facilitating light to pass through the display panel, pass through the functional area 100, and reach the common photosensitive element. The terminal devices applicable to this example can be terminal devices with a common photosensitive element (light sensor) set under the screen and / or a fingerprint set on the side.

[0045] In another example, as Figure 4 shown, the protective substrate is respectively provided with functional areas in the form of through-holes, that is, functional holes 102, at two preset positions (at A1 and A2). A shielding portion 101 (release film) is provided at each functional hole 102. Among them, the functional hole 102 at A1 can be sized for a common photosensitive element, and the functional hole 102 at A2 can be sized for an optical fingerprint module. When assembling a mobile phone with a display module containing the protective substrate in this example, it is necessary to tear off the shielding portions 101 at A1 and A2. The functional hole 102 at A1 then realizes light transmission to enable the common photosensitive element to function properly, and the functional hole 102 at A2 realizes light transmission to enable the optical fingerprint module to function properly. At this time, the terminal device can be a terminal device with a common photosensitive element (light sensor) set under the screen and / or a fingerprint set under the screen.

[0046] In another example, as Figure 5 shown, the protective substrate is respectively provided with functional areas in the form of through-holes, that is, functional holes 102, at three preset positions (at A1, A2, and A3). A shielding portion 101 (release film) is correspondingly provided at each functional hole 102. The protective substrate in this example can be applicable to more models during application. Among them, the functional hole 102 at A1 can be sized for a common photosensitive element, the functional area 102 at A2 can be sized for an optical fingerprint module, and the functional area 102 at A3 can be sized for the light sense of true tone (original color display). When the terminal device has at least one of the requirements for a common photosensitive element, true tone light sense, and an optical fingerprint module, the protective substrate structure shown in Figure 5 can be adopted.

[0047] In an exemplary embodiment, as Figure 6 or Figure 7As shown, the substrate body 10 has a double-layer structure. The substrate body 10 includes a first layer 11 and a second layer 12 which are stacked, wherein both the first layer 11 and the second layer 12 are foam structures with light-shielding tapes. Through holes are provided at preset positions on the first layer 11 and / or the second layer 12, so that functional holes 102 or functional grooves 104 are formed at the preset positions.

[0048] In this embodiment, after the first layer 11 and the second layer 12 with preset shapes are obtained by die-cutting process, the first layer 11 and the second layer 12 can be bonded into an integral light-tight structure by using the light-shielding tape of the second layer 12. This integral light-tight structure sequentially includes, in the thickness direction of the display module: the light-shielding tape of the first layer 11, the foam of the first layer 11, the light-shielding tape of the second layer 12, and the foam of the second layer 12. When the substrate body 10 needs to be fixed to the display module, the light-shielding tape of the first layer 11 is used to bond and attach to the display panel. In this embodiment, by adjusting the setting manner of the through holes, the functional holes 102 or functional grooves 104 can be obtained, so that the protective substrate is applicable to more types of models.

[0049] In an example, as Figure 6 or Figure 7 shown in the schematic diagram, the first layer 11 and the second layer 12 have corresponding through holes at each preset position, and at this time, functional holes 102 (holes penetrating through the first layer 11 and the second layer 12) are formed at the preset positions. For example, the through hole at point A in the first layer 11 corresponds to the through hole at A' in the second layer, and a functional hole 102 is formed at this first preset position; the through hole at B1 corresponds to the through hole at B1', and a functional hole 102 is formed at this second preset position; the through hole at B3 corresponds to the through hole at B3', and a functional hole 102 is formed at this third preset position.

[0050] It can be understood that at the through holes of the first layer 11 and the second layer 12, a shielding portion 101 can be provided on both, or a shielding portion 101 can be provided only on one layer. Figure 6 Schematic shows the case where the shielding portion 101 is provided only on the first layer 11. At this time, when assembling with the display module, the first layer 11 can be located on the side away from the user's visible surface.

[0051] In another example, as Figure 6 or Figure 7 shown, through holes are provided at preset positions on the first layer 11 or the second layer 12, so that functional grooves 104 are formed at the preset positions, that is, in this example, through holes are provided only on one layer. For example Figure 6 and Figure 7Schematically, only a through hole is provided at B2 of the first layer 11, while no treatment is performed at B2' of the second layer 12. Then, a functional groove 104 can be formed at the preset position. The functional groove 104 is a thickness-reduced area relative to other areas of the substrate body 10, which facilitates the pressure-sensitive element to accurately collect the pressure signal of the display screen and effectively avoids the large thickness from affecting the sensitivity and accuracy of the pressure-sensitive element.

[0052] Combined with Figure 6 and Figure 7 As shown, the substrate body 10 with a two-layer structure can simultaneously meet the requirements of forming the functional hole 102 and the functional groove 104. During the whole machine assembly process, when the shielding part 101 at B2 is torn off, the functional groove 104 formed at the preset position of the substrate body 10 is a thickness-reduced functional groove, which is applicable to the case where the terminal device has a pressure-sensitive element. When the shielding parts 101 at A, B1, and B3 are torn off, the functional hole 102 can be formed, which is applicable to elements such as light sensors and optical fingerprints, and thus more models can be applied.

[0053] In an exemplary embodiment, as Figure 8 shown, an indentation line 110 is provided along the circumferential direction of the functional area 100, and the area surrounded by the indentation line 110 forms the shielding part 101; under the action of an external force, the shielding part 101 can be removed along the indentation line 110 to expose the functional area 100. Among them, the indentation line 110 at the circumferential edge of the functional area 100 can be pre-treated.

[0054] In this embodiment, during the processing, the substrate body 10 can be obtained by die-cutting the material of the cover panel (such as a foam with a light-shielding tape) according to the corresponding drawing; the functional area 100 is set at the preset position and the size of the functional element on the substrate body 10, and an indentation line is formed at the circumferential edge of the functional area 100 (adapting to the size of the functional element) by using an indentation processing technology. Under the action of an external force, the shielding part 101 can be removed along the indentation area 110 to expose the functional area 100. In this embodiment, both the shielding part 101 and the substrate body 10 can be set as opaque structures. Among them, the shielding part 101 can still be set as a release film. For example, a release film with a preset size is pre-set at the position of the functional area 100 on the substrate body 10, and an indentation line is formed at the circumference corresponding to the functional area 100 on the release film, and the functional area can be exposed by removing the release film along the indentation line. Or, the shielding part 101 and the substrate body 10 are made of the same material (a foam with a light-shielding tape), and an indentation line is directly processed at the circumference of the functional area 100 during the processing, and the area surrounded by the indentation line forms the shielding part 101; under the action of an external force, the shielding part 101 is removed to expose the functional area 100.

[0055] In an exemplary embodiment, still referring to Figure 8, if the substrate body 1 is a single-layer structure, the functional area 100 only includes functional holes, that is, the protective substrate in this example is applicable to terminal devices that require functional holes to be provided. Figure 8 The schematic structure is applicable to terminal devices with a common light sensor set under the screen and a fingerprint set on the side. When assembling the whole machine, it is necessary to tear off the shielding part 101 at A, and the functional area 100 will be exposed for light transmission to ensure that the common light sensor functions properly.

[0056] In an exemplary embodiment, as Figure 9 shown, the substrate body 1 is a double-layer structure. The substrate body 1 includes a first layer 11 and a second layer 12 arranged in a stacked manner (not shown in the figure, which can be combined with Figure 7 ). After obtaining the first layer 11 and the second layer 12 with a preset shape by die-cutting process, the first layer 11 and the second layer 12 can be bonded into an integral light-tight structure by using the light-shielding tape of the second layer 12. In this example, the functional area 100 includes both functional holes 102 and functional grooves 104, and the protective substrate in this example can be applicable to more models.

[0057] In one example, when through holes corresponding to each other are provided at the positions corresponding to A on the first layer and the second layer, after removing the shielding part 101 under an external force, a functional hole 102 penetrating through the first layer and the second layer is formed at A. Similarly, after removing the shielding part 101 at B1 or B3 under an external force, a functional hole 102 penetrating through the first layer and the second layer can also be formed at B1 or B3.

[0058] In another example, when through holes are provided on the first layer or the second layer, for example, when through holes are provided at B2 on the first layer or the second layer, a functional groove 104 penetrating only through the first layer or the second layer can be formed at B2.

[0059] In another example, as Figure 9 shown, the requirements of both functional holes 102 and functional grooves 104 can also be met in the protective substrate with a two-layer structure. During the assembly process of the whole machine, after removing the shielding part 101 at B2, the substrate body 10 has a functional groove 104 at the position corresponding to B2, which is a thickness-reduced area and is applicable to the case where the terminal device has a pressure-sensitive component. And by removing the shielding parts 101 at A, B1, and B3, the functions of the functional holes 102 can be realized at the corresponding positions, which is applicable to more models.

[0060] In other exemplary embodiments, copper foil or tin foil can also be pasted at local positions of the protective substrate, such as at the position corresponding to the battery to prevent the battery radiation from affecting the display screen; or at the position corresponding to the antenna to prevent the display screen from affecting the antenna signal emission; or at the position corresponding to the chip to prevent interference with the chip.

[0061] In an exemplary embodiment, the present disclosure provides a display module, such as Figure 1 shown, the display module includes a cover plate 3, a display panel 2, and a protection substrate 1 stacked. Among them, the cover plate and the display panel are bonded with an adhesive 4, and the display panel can be an OLED (organic light-emitting diode) display panel.

[0062] In this embodiment, the protection substrate is a structure pre-formed with a shielding portion and a through hole or a through hole area, and is attached to the side of the display panel away from the cover plate. In this embodiment, the protection substrate can have functional areas located at different positions. When any shielding portion is removed, a functional hole or a functional groove can be formed at this position, so that this embodiment enables the display module to meet the common requirements of different mobile phones.

[0063] The display module proposed in the embodiment of the present disclosure can achieve common use, and can meet the requirements that the display module drawings and part numbers are exactly the same among different mobile phones. And the display screen module materials can be flexibly used among different mobile phone product lines, effectively reducing costs. In this embodiment, the display module is shared (using the same part number), which can ensure that when the product forecast is adjusted, or when a certain type of product is added or cut, the display module, as the material with the longest production cycle among the core components of the mobile phone, can be flexibly used among different product lines or companies, adapting to the production capacity adjustment and avoiding the situation of material shortage or material stagnation. It effectively solves the problem in the related art that different products can only achieve the sharing of high-value materials such as the display panel in the display module, but cannot achieve the complete sharing of the display module.

[0064] In an exemplary embodiment, the present disclosure provides a terminal device including the above-mentioned display module.

[0065] In an example, the terminal device further includes a photosensitive element disposed below the protection substrate; a functional hole can be formed at the position of the protection substrate of the display module corresponding to the photosensitive element.

[0066] For example, as Figure 6 or Figure 9 shown, when the display module is used to assemble mobile phone A (a common photosensitive element is disposed at the corresponding position in A), the shielding portion 101 at A can be removed to form a functional hole 102 at A to meet the light collection requirement of the under-screen photosensitive element.

[0067] In another example, the terminal device further includes a photosensitive element, a fingerprint module, and a pressure sensing element disposed below the protection substrate; a first functional hole can be formed at the position of the protection substrate of the display module corresponding to the photosensitive element, a second functional hole can be formed at the position of the protection substrate corresponding to the fingerprint module; a functional groove can be formed at the position of the protection substrate corresponding to the pressure sensing element, where the functional groove is a thickness reduction area adapted to the pressure sensing element.

[0068] For example, still referring to Figure 6 or Figure 9 , when the display module is used to assemble mobile phone B (a truetone light sensor is arranged at the position corresponding to B1, a pressure sensor element is arranged at the position corresponding to B2, and an optical fingerprint module is arranged at the position corresponding to B3), the shielding parts 101 at B1, B2 and B3 can be removed (where only a through hole is arranged on one layer of the protective substrate at B2), so as to form functional holes 102 at B1 and B3, and a functional groove 104 at B2.

[0069] It can be understood that the through holes involved in the above embodiments can be set to different sizes according to actual needs. In the embodiments of the present disclosure, only examples are given, and the shape or size of the through holes or the through hole areas is not limited.

[0070] Those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention, which follow the general principles of the present invention and include common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and embodiments are only regarded as exemplary, and the true scope and spirit of the present invention are pointed out by the following claims.

[0071] It should be understood that the present invention is not limited to the exact structures already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present invention is only limited by the appended claims.

Claims

1. A protective substrate, characterized in that, for the display module of a terminal device, including: a substrate body, and a plurality of preset positions on the substrate body are provided with functional areas; a detachable shielding portion is provided at each of the functional areas, and the shielding portion is used to shield the corresponding functional area; wherein, the functional area includes a functional hole or a functional groove adapted to a functional element of the terminal device; The protective substrate is attached to the side of the display panel of the display module away from the user's visible surface, for providing strength support and buffer protection to the display module, and for blocking light to prevent other components inside the terminal device from affecting the display effect of the display module; according to the setting position of the functional element of the terminal device, select the functional area at the corresponding position of the protective substrate, and remove the shielding portion of the functional area at the corresponding position, so that the functional device corresponding to the functional area under the display module of the terminal device can function normally; for the functional areas of the protective substrate other than the corresponding positions, corresponding shielding portions are provided to realize the sharing of the protective substrate among different products. For the protective substrates with different design requirements for the functional elements under different screens, the shielding portions of the functional areas at different positions are removed correspondingly, and the display function of the display module is not affected.

2. The protective substrate according to claim 1, characterized in that, the shielding portion is a shielding film pre-set on the substrate body, and the shielding film can cover the functional area.

3. The protective substrate according to claim 1, characterized in that, an indentation line is provided along the circumference of the functional area, and the area surrounded by the indentation line forms the shielding portion; under the action of an external force, the shielding portion can be removed along the indentation line to expose the functional area.

4. The protective substrate according to claim 2 or 3, characterized in that, the substrate body is a single-layer structure, and through holes are provided on the substrate body, and the through holes form the functional holes.

5. The protective substrate according to claim 2 or 3, characterized in that, the substrate body includes a first layer and a second layer stacked, and through holes are provided at preset positions on the first layer and / or the second layer, so that functional holes or functional grooves are formed at the preset positions.

6. The protective substrate according to claim 5, characterized in that, the first layer and the second layer are provided with corresponding through holes at the preset positions, so that functional holes are formed at the preset positions.

7. The protective substrate according to claim 5, characterized in that, through holes are provided at the preset positions on the first layer or the second layer, so that functional grooves are formed at the preset positions.

8. The protective substrate according to claim 7, characterized in that, the functional groove is a thickness reduction area adapted to a pressure sensing element.

9. The protective substrate according to claim 1, characterized in that, the shielding portion is a release film.

10. A display module, characterized in that, including a cover plate, a display panel and the protective substrate according to any one of claims 1 to 9; in the thickness direction of the terminal device, the cover plate, the display panel and the protective substrate are stacked in sequence.

11. A terminal device, characterized in that, including the display module described in claim 10.

12. The terminal device according to claim 11, wherein, further comprising: a photosensitive element disposed below the protective substrate; a functional hole is provided at a position corresponding to the photosensitive element on the protective substrate of the display module.

13. The terminal device according to claim 11, wherein, further comprising: a photosensitive element, a fingerprint module and a pressure sensing element disposed below the protective substrate; a first functional hole is provided at a position corresponding to the photosensitive element on the protective substrate of the display module, a second functional hole is provided at a position corresponding to the fingerprint module on the protective substrate; a functional groove is provided at a position corresponding to the pressure sensing element on the protective substrate, wherein the functional groove is a thickness reduction area adapted to the pressure sensing element.

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