WO2024152729A1 - 屏幕模组及电子设备 - Google Patents

屏幕模组及电子设备 Download PDF

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Publication number
WO2024152729A1
WO2024152729A1 PCT/CN2023/133350 CN2023133350W WO2024152729A1 WO 2024152729 A1 WO2024152729 A1 WO 2024152729A1 CN 2023133350 W CN2023133350 W CN 2023133350W WO 2024152729 A1 WO2024152729 A1 WO 2024152729A1
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WO
WIPO (PCT)
Prior art keywords
layer
screen module
display function
protective layer
material layer
Prior art date
Application number
PCT/CN2023/133350
Other languages
English (en)
French (fr)
Inventor
游玉霖
王维
王根田
钱陈杨
印杰
姜文杰
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2024152729A1 publication Critical patent/WO2024152729A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present application relates to the field of electronic information technology, and in particular to a screen module and an electronic device.
  • Foldable mobile phones are a new type of mobile phone form. When folded, its length and width are similar to the size of straight-bar mobile phones currently on the market. When unfolded, its screen size can be doubled, playing a powerful entertainment interactivity.
  • the thickness of the foldable phone is nearly twice that of a straight-bar phone when it is folded, it is inconvenient to carry and feels a bit bulky when operated. Therefore, how to make foldable phones extremely light and thin has gradually become a major research topic in the industry.
  • the CG (Curved Glass) glass of the outer screen of the folding mobile phone can be thinned, and on the other hand, microcrystalline glass can be used as CG glass to achieve the purpose of thinning the thickness of the entire folding mobile phone.
  • CG glass Curved Glass
  • microcrystalline glass can be used as CG glass to achieve the purpose of thinning the thickness of the entire folding mobile phone.
  • blindly thinning the thickness of CG glass will affect the reliability of the entire folding mobile phone and affect the service life of the folding mobile phone.
  • the high cost of microcrystalline glass is not conducive to controlling production costs.
  • the embodiments of the present application provide a screen module and an electronic device, which solve the problem that it is difficult to reduce the thickness of a foldable mobile phone in the prior art.
  • the present application provides a screen module, including a first protective layer and a display function layer, wherein the first protective layer is arranged on a first side of the display function layer.
  • the first protective layer includes a first material layer, which is disposed on the first side of the display function layer; the first material layer is made of composite polycarbonate; or:
  • the first protective layer includes a first material layer and a second material layer, wherein the first material layer is arranged on the first side of the display function layer; the second material layer is arranged on the surface of the first material layer away from the display function layer; wherein the material of the first material layer is thermoplastic polyurethane elastomer rubber, and the material of the second material layer is colorless polyimide; or: the material of the first material layer is glass and the thickness of the first material layer is less than or equal to 100 ⁇ m, and the material of the second material layer is polyethylene terephthalate. When the material of the first material layer is composite polycarbonate, the thickness of the first material layer is greater than 150 ⁇ m and less than 300 ⁇ m.
  • the thickness of the second material layer is greater than 30 ⁇ m and less than 100 ⁇ m.
  • the thickness of the second material layer is greater than 50 ⁇ m and less than 100 ⁇ m.
  • the screen module provided in the present application adopts composite polycarbonate (Polycarbonate, or composite PC) with a thickness greater than 150 ⁇ m and less than 300 ⁇ m, thermoplastic polyurethane elastomer rubber (Thermoplastic polyurethanes, or TPU) and colorless polyimide (Colorless Polyimide, or CPI) with a thickness greater than 30 ⁇ m and less than 100 ⁇ m, or ultra-thin glass (Ultra-Thin Glass, or UTG) with a thickness less than or equal to 100 ⁇ m and polyethylene terephthalate (Poly-Ethylene Terephthalate, or PET) with a thickness greater than 50 ⁇ m and less than 100 ⁇ m to replace traditional CG glass as the protective layer of the screen module. Since the above materials can maintain high reliability under the condition of thin thickness, they can ensure that the reliability and display function of the screen module are not affected, while greatly reducing the overall thickness of the screen module, laying a foundation for the lightweight and thin electronic equipment.
  • composite polycarbonate Polycarbonate,
  • the first material layer is made of glass, and a thickness of the first material layer is greater than 30 ⁇ m and less than 60 ⁇ m.
  • the screen module also includes a second protective layer, which is disposed on the surface of the first protective layer away from the display function layer.
  • the thickness of the second protective layer is greater than or equal to 10 ⁇ m, and the material of the second protective layer is a hard coating or an anti-reflective coating.
  • the embodiment of the present application can effectively increase the wear resistance and reliability of the screen module and improve the service life of the screen module by setting a second protective layer with a thickness greater than or equal to 10 ⁇ m on the upper surface of the first protective layer (or the surface of the first protective layer away from the display function layer), or it can be understood that the embodiment of the present application uses the first protective layer and the second protective layer to replace the traditional CG glass, which can ensure the screen module The thickness of the screen module is greatly reduced without affecting the wear resistance and reliability.
  • the material of the second protective layer may be, for example, a hard coating, such as an ultra-hard HC (Hard coating), and the material of the second protective layer may also be, for example, an anti-reflection coating, such as an AR (anti-reflection) coating, an AG (anti-glare) coating, and the like.
  • a hard coating such as an ultra-hard HC (Hard coating)
  • an anti-reflection coating such as an AR (anti-reflection) coating, an AG (anti-glare) coating, and the like.
  • the screen module also includes a third protective layer, which is disposed on the surface of the first protective layer facing the display function layer.
  • the thickness of the third protective layer is greater than or equal to 10 ⁇ m, and the material of the third protective layer is a hard coating or an anti-reflective coating.
  • the embodiment of the present application can further improve the wear resistance and reliability of the screen module and further improve the service life of the screen module by setting a second protective layer on the upper surface of the first protective layer and setting a third protective layer on the lower surface of the first protective layer (or it can be understood as the surface facing the display function layer). Or it can be understood that the embodiment of the present application uses the first protective layer, the second protective layer and the third protective layer to replace the traditional CG glass, which can greatly reduce the thickness of the screen module while ensuring that the wear resistance and reliability of the screen module are not affected.
  • the material of the second protective layer and the third protective layer can be, for example, a hard coating, such as super hard HC (Hard coating), and can also be, for example, an anti-reflection coating, such as AR (anti-reflection) coating, AG (anti-glare) coating, and the like.
  • a hard coating such as super hard HC (Hard coating)
  • an anti-reflection coating such as AR (anti-reflection) coating, AG (anti-glare) coating, and the like.
  • the screen module further includes a display auxiliary layer, and the display auxiliary layer is disposed on a surface of the display function layer facing the first protective layer.
  • the display auxiliary layer is a polarizer, and the polarizer is fixed to the surface of the display function layer facing the first protective layer.
  • the display auxiliary layer is an optical coating, and the optical coating is coated on the surface of the display function layer facing the first protective layer.
  • an optical coating is applied on the display function layer instead of the traditional polarizer, or it can be understood that the embodiment of the present application cancels the polarizer provided in the screen module through the COE (Color Filter on encapsulation) technology, thereby realizing a POL (Polarizer)-free solution for the screen module, further reducing the thickness of the screen module, and improving the display light and shadow effects of the screen module, and has the advantage of low cost.
  • COE Color Filter on encapsulation
  • the screen module further includes a supporting layer located on a second side of the display function layer, where the second side is a side opposite to the first side of the display function layer.
  • the supporting layer includes a substrate layer and a back protective film; the back protective film is arranged on the surface of the display function layer away from the first protective layer, and the substrate layer is arranged on the surface of the back protective film away from the display function layer.
  • the material of the substrate layer is glass and the thickness of the substrate layer is less than or equal to 0.1 mm (or can be understood as ultra-thin glass, Ultra-Thin Glass, or UTG), or the material of the substrate layer is microcrystalline glass, and the thickness of the microcrystalline glass is greater than 0.1 mm and less than 0.6 mm.
  • ultra-thin glass (or UTG) and microcrystalline glass have good rigidity
  • using ultra-thin glass or microcrystalline glass as the substrate layer can effectively improve the flatness of other layers (such as display auxiliary layer, display functional layer, first protective layer, second protective layer, third protective layer, etc.) provided on the substrate layer
  • ultra-thin glass or microcrystalline glass has a low density
  • using ultra-thin glass or microcrystalline glass as the substrate layer can greatly reduce the weight of the screen assembly and improve the drop resistance of the screen assembly.
  • the substrate layer is bonded to the back protective film, and the back protective film is bonded to the display function layer.
  • the first material layer or the second material layer of the first protective layer is adhered to the display auxiliary layer.
  • the thickness of the screen module is thickness d, and 0.5 mm ⁇ thickness d ⁇ 0.9 mm.
  • the present application also provides an electronic device, including the screen modules involved in the above-mentioned embodiments and possible embodiments.
  • the electronic device of the embodiment of the present application uses a screen module that is thin and light, has better light and shadow effects and is low in cost. Therefore, the electronic device of the embodiment of the present application can achieve lightweight electronic equipment, better display performance and low cost.
  • the electronic device is a foldable electronic device, including an outer screen and an inner screen arranged back to back; the inner screen can be folded and switched between an unfolded state and a folded state, and when the inner screen is in the folded state, the outer screen serves as a display screen of the foldable electronic device; wherein the outer screen adopts the screen module involved in the above-mentioned embodiments and possible embodiments.
  • the foldable electronic device of the embodiment of the present application can realize the lightweight electronic device, improve the bulky feeling of traditional foldable electronic devices, and at the same time has the advantages of better display performance and low cost.
  • FIG1 is a schematic diagram of the laminated structure of a screen module according to an embodiment of the present application.
  • FIG2 is a schematic cross-sectional view of the screen module of an embodiment of the present application; wherein the material of the first material layer is thermoplastic polyurethane elastomer rubber, the material of the second material layer is colorless polyimide, and the display auxiliary layer is a polarizer;
  • FIG3 is a schematic cross-sectional view of the screen module of the embodiment of the present application, wherein the first material layer is made of ultra-thin glass, and the second material layer is made of The material of the layer is polyethylene terephthalate, and the display auxiliary layer is a polarizer;
  • FIG. 4 is a schematic cross-sectional view of the screen module of an embodiment of the present application, wherein the first material layer is made of composite polycarbonate, the second protective layer is disposed on the surface of the first material layer away from the display function layer, and the display auxiliary layer is a polarizer;
  • FIG. 5 is a schematic diagram of the laminated structure of the screen module according to an embodiment of the present application, wherein the second protective layer is disposed on the surface of the first protective layer away from the display function layer;
  • FIG6 is a schematic diagram of the laminated structure of the screen module according to an embodiment of the present application; wherein the third protective layer is disposed on the surface of the first protective layer facing the display function layer;
  • FIG7 is a schematic diagram of the stacked structure of the screen module according to an embodiment of the present application; wherein the display auxiliary layer is a polarizing film;
  • FIG8 is a schematic diagram of the laminated structure of the screen module according to an embodiment of the present application; wherein the display auxiliary layer is an optical coating applied to the display function layer;
  • FIG9 is a schematic cross-sectional view of the screen module of an embodiment of the present application; wherein the material of the first material layer is thermoplastic polyurethane elastomer rubber, the material of the second material layer is colorless polyimide, and the display auxiliary layer is an optical coating;
  • FIG10 is a schematic cross-sectional view of the screen module according to an embodiment of the present application, wherein the first material layer is made of ultra-thin glass, the second material layer is made of polyethylene terephthalate, and the display auxiliary layer is an optical coating;
  • Figure 11 is a schematic diagram of the cross-sectional structure of the screen module of the embodiment of the present application, wherein the material of the first material layer is composite polycarbonate, the second protective layer is arranged on the surface of the first material layer away from the display function layer, and the display auxiliary layer is an optical coating.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components.
  • installed should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components.
  • mobile office can also be called “3A office”, also known as mobile OA, that is, office staff can handle anything related to business at any time (Anytime) and any place (Anywhere).
  • 3A office also known as mobile OA
  • This new office model can free office staff from the constraints of time and space. Unit information can be interacted and flowed smoothly anytime and anywhere, work will be easier and more effective, and the overall operation will be more coordinated.
  • mobile information software on mobile phones, an enterprise software application system that interconnects mobile phones and computers can be established, breaking away from the limitations of time and place, and carrying out company management and communication at any time, promoting the growth of government and corporate benefits.
  • candy-bar phones are subject to The limited screen size has brought many inconveniences to mobile office, and foldable phones have come into people's view.
  • Foldable screen phones are a new type of mobile phone. When it is folded, its length and width are similar to the size of the candy-bar phones currently on the market. When unfolded, its screen size can be doubled, which has a strong entertainment interactivity.
  • the overall thickness of the foldable phone is close to twice that of the candy-bar phone, it is not convenient to carry and the single-screen operation feels a bit cumbersome. Therefore, how to make the foldable phone extremely light and thin has gradually become a major research topic in the industry.
  • the present application provides a screen module, which can be applied to side-sliding mobile phones, straight-plate mobile phones, and can also be applied to the external screen of folding mobile phones, such as large inner-folding mobile phones, outer-folding mobile phones, small inner-folding mobile phones, multi-folding mobile phones, etc.
  • the external screen can be understood as the screen exposed outside when the folding mobile phone is in the folded state, and can also be applied to the display screen of a laptop computer, the screen of a smart TV, the display screen of a smart watch, the display screen of a wearable device, etc.
  • CG stands for CG glass
  • OCA Optically Clear Adhesive
  • POL Polarizer
  • PNL Panel
  • PSA Pressure Sensitive Adhesive
  • BF Back Film
  • SCF super clean foam
  • TP TouchPad
  • LGP light guide plate
  • PS Photo Spacer
  • the overall laminate thickness of the reference design laminate structures shown in Table 1 is greater than 1 mm.
  • Figure 1 is a schematic diagram of the laminated structure of the screen module of the embodiment of the present application.
  • the present application provides a screen module 1, including a first protective layer 13 and a display function layer 11, the first protective layer 13 is arranged on the first side of the display function layer 11, and the first side of the display function layer 11 can be understood as the upper side of the display function layer 11.
  • Figure 2 is a schematic cross-sectional structure diagram of the screen module according to an embodiment of the present application.
  • the first protective layer 13 includes a first material layer 131 and a second material layer 132 , and the first material layer 131 is disposed on the first side of the display function layer 11 (or can be understood as the upper side of the display function layer 11 ).
  • the second material layer 132 is disposed on the surface of the first material layer 131 away from the display function layer 11 .
  • the material of the first material layer 131 is thermoplastic polyurethane elastomer rubber (Thermoplastic polyurethanes, or TPU), and the material of the second material layer 132 is colorless polyimide (Colorless Polyimide, or CPI).
  • the first material layer 131 and the second material layer 132 can be bonded together by glue 16
  • the glue 16 can be, for example, a pressure sensitive adhesive (Pressure Sensitive Adhesive, or PSA), independently developed A18 glue, etc., and the present application does not limit the type of glue 16 .
  • PSA Pressure Sensitive Adhesive
  • the screen module 1 further includes a display auxiliary layer 12, which is disposed on the surface of the display function layer 11 facing the first protective layer 13, or it can be understood that the display auxiliary layer 12 is disposed on the upper surface of the display function layer 11.
  • the display auxiliary layer 12 is a polarizer 121 (or can be called a Polarizer), and the polarizer 121 is fixed to the surface of the display function layer 11 facing the first protective layer 13.
  • the polarizer 121 and the first material layer 131 (such as TPU) of the first protective layer 13 are bonded together by glue 16.
  • the screen module 1 further includes a support layer 10 located on the second side of the display function layer 11, and the second side is the side facing away from the first side of the display function layer 11, or it can be understood that the second side of the display function layer 11 is the lower side of the display function layer 11.
  • the support layer 10 includes a substrate layer 101 and a back protective film 102, wherein the back protective film 102 is disposed on a surface of the display function layer 11 away from the first protective layer 13, and the substrate layer 101 is disposed on a surface of the back protective film 102 away from the display function layer 11.
  • the substrate layer 101 is bonded to the back protective film 102 by glue 16, such as pressure sensitive adhesive (Pressure Sensitive Adhesive, or PSA), and the back protective film 102 is bonded to the display function layer 11 by glue 16, such as pressure sensitive adhesive (Pressure Sensitive Adhesive, or PSA).
  • glue 16 such as pressure sensitive adhesive (Pressure Sensitive Adhesive, or PSA)
  • PSA pressure sensitive adhesive
  • the polarizer 121 can be understood as an optical device that can scatter light to increase the display viewing angle, and can also be called a polarizer.
  • the display function layer 11 can be, for example, a screen display control panel (Panel, or PNL).
  • the material of the substrate layer 101 is not limited.
  • low-density composite materials carbon fiber, lightweight ceramics, Kevlar, glass fiber and other lightweight materials can be used. If the weight reduction requirement is not high, stainless steel (or SUS), titanium alloy, copper alloy and other materials can also be used. This application does not limit this.
  • the material of the substrate layer 101 is glass-ceramics, and the thickness of the glass-ceramics is greater than 0.1 mm and less than 0.6 mm.
  • glass-ceramics refers to a basic glass of a specific composition with a crystal nucleating agent (or without a crystal nucleating agent), which is subjected to a crystallization heat treatment under a certain temperature regime, and a large number of tiny crystals are uniformly precipitated in the glass to form a dense multiphase complex of a microcrystalline phase and a glass phase.
  • the material of the substrate layer 101 is glass and the thickness of the substrate layer 101 is less than or equal to 0.1 mm (or can be understood as ultra-thin glass, Ultra-Thin Glass, or UTG).
  • ultra-thin glass or micro-crystalline glass has good rigidity
  • using ultra-thin glass or micro-crystalline glass as the substrate layer can effectively improve the flatness of other laminated layers (such as display auxiliary layer 12, display function layer 11, first protective layer 13, second protective layer 14, third protective layer 15, etc.) arranged on the substrate layer 101
  • ultra-thin glass or micro-crystalline glass has a low density
  • using ultra-thin glass or micro-crystalline glass as the substrate layer 101 can greatly reduce the weight of the screen assembly and improve the drop resistance of the screen assembly, taking into account the multiple requirements of the screen assembly being light, flat and drop-resistant.
  • the stacked layers of the screen module 1 of the embodiment of the present application may be, from top to bottom, for example, a second material layer 132 (e.g., CPI), A18 glue, a first material layer 131 (e.g., TPU), A18 glue, a display auxiliary layer 12 (e.g., a polarizer 121), a display function layer 11, glue 16 (e.g., a pressure-sensitive adhesive), a backing protective film 102, glue 16 (e.g., a pressure-sensitive adhesive), and a substrate layer 101.
  • a second material layer 132 e.g., CPI
  • A18 glue e.g., a first material layer 131
  • TPU e.g., TPU
  • A18 glue e.g., a display auxiliary layer 12
  • a display function layer 11 e.g., glue 16 (e.g., a pressure-sensitive adhesive)
  • a backing protective film 102 e.g., glue 16 (e.g
  • the thickness design value of the second material layer 132 (e.g., CPI) is between 30 ⁇ m and 100 ⁇ m
  • the overall stacking thickness d of the screen module 1 is between 0.6 mm and 0.9 mm
  • kgf kilogram-force
  • the screen module provided by the present application can use thermoplastic polyurethanes (TPU) and colorless polyimide (CPI) with a thickness greater than 30 ⁇ m and less than 100 ⁇ m instead of traditional CG glass as the protective layer of the screen module. Since TPU material and CPI material can still maintain high reliability under the condition of thin thickness, the embodiment of the present application can significantly reduce the overall thickness of the screen module and reduce the weight of the screen module 1 while not affecting the reliability and display function of the screen module, thereby laying a foundation for the thinness and lightness of electronic devices.
  • TPU thermoplastic polyurethanes
  • CPI colorless polyimide
  • Figure 3 is a schematic diagram of the cross-sectional structure of the screen module of the embodiment of the present application.
  • the structure of the screen module shown in Figure 3 is substantially the same as the structure of the screen module shown in Figure 2, except that the material of the first material layer is ultra-thin glass (Ultra-Thin Glass, or UTG), and the material of the second material layer is polyethylene terephthalate (Poly-Ethylene Terephthalate, or PET).
  • UTG ultra-thin glass
  • PET Polyethylene terephthalate
  • ultra-thin glass is glass with a thickness less than or equal to 100 ⁇ m, which can be flat glass, flexible glass, etc.
  • the stacked layers of the screen module 1 of the embodiment of the present application may be, from top to bottom, for example, a second material layer 132 (e.g., PET), A18 glue, a first material layer 131 (e.g., UTG), A18 glue, a display auxiliary layer 12 (e.g., a polarizer 121), a display function layer 11, glue 16 (e.g., a pressure-sensitive adhesive), a backing protective film 102, glue 16 (e.g., a pressure-sensitive adhesive), and a substrate layer 101.
  • a second material layer 132 e.g., PET
  • A18 glue e.g., a first material layer 131
  • A18 glue e.g., a display auxiliary layer 12
  • glue 16 e.g., a pressure-sensitive adhesive
  • backing protective film 102 e.g., glue 16 (e.g., a pressure-sensitive adhesive)
  • glue 16 e.g., a pressure-sensitive adhesive
  • the second material The thickness design value of layer 132 (such as PET) is between 50 ⁇ m-100 ⁇ m, and the overall stacking thickness d of the screen module 1 is between 0.6mm-0.8mm.
  • the screen module of this embodiment has good overall texture and good light and shadow effects. Its extrusion can reach more than 25kgf, and the falling ball impact can reach more than 50cm high.
  • the screen module provided by the present application can use ultra-thin glass (UTG) and polyethylene terephthalate (PET) with a thickness greater than 50 ⁇ m and less than 100 ⁇ m instead of traditional CG glass as the protective layer of the screen module. Since UTG material and PET material can still maintain high reliability under the condition of thin thickness, the embodiment of the present application can significantly reduce the overall thickness of the screen module and reduce the weight of the screen module 1 while not affecting the reliability and display function of the screen module, thereby laying a foundation for the thinness and lightness of electronic devices.
  • UTG ultra-thin glass
  • PET polyethylene terephthalate
  • FIG. 4 is a schematic cross-sectional view of the screen module of the embodiment of the present application.
  • the structure of the screen module shown in FIG. 4 is substantially the same as that of the screen module shown in FIG. 2 , except that the first protective layer 13 includes a first material layer 131, and the material of the first material layer is composite polycarbonate (or composite PC).
  • the thickness of the first material layer 131 (e.g., composite PC) is designed to be between 150 ⁇ m and 300 ⁇ m.
  • Figure 5 is a schematic diagram of the laminated structure of the screen module of the embodiment of the present application.
  • the screen module 1 also includes a second protective layer 14, which is arranged on the surface of the first protective layer 13 away from the display function layer 11.
  • the thickness of the second protective layer 14 is greater than or equal to 10 ⁇ m.
  • the material of the second protective layer 14 is a hard coating (Hard coating, or can be called super hard HC).
  • the material of the second protective layer 14 is an anti-reflection coating, such as AR (anti-reflection, anti-reflection) coating, AG (anti-glare, anti-glare) coating, etc.
  • the percentage of AG coating added can be, for example, 10% to 50%.
  • the material of the second protective layer 14 can also be other materials, such as wear-resistant materials, etc.
  • AR (anti-reflection) coating is an optical coating that can reduce emissivity and thus increase light transmittance, reduce surface glare and increase substrate transmittance and brightness. At the same time, it also provides better contrast clarity by reducing the surface reflectivity of specific light waves.
  • AG (anti-glare) coating is characterized by being able to transform the original reflective surface into a matte diffuse reflective surface, blurring the reflective image, preventing glare, reducing light and shadow, and having strong anti-corrosion and anti-scratch properties.
  • the stacked layers of the screen module 1 of the embodiment of the present application may be, from top to bottom, for example, a second protective layer 14 (e.g., superhard HC), a first material layer 131 (e.g., composite PC), A18 glue, a display auxiliary layer 12 (e.g., a polarizer 121), a display functional layer 11, glue 16 (e.g., a pressure-sensitive adhesive), a back-sticking protective film 102, glue 16 (e.g., a pressure-sensitive adhesive), and a substrate layer 101.
  • a second protective layer 14 e.g., superhard HC
  • a first material layer 131 e.g., composite PC
  • A18 glue e.g., a display auxiliary layer 12 (e.g., a polarizer 121), a display functional layer 11, glue 16 (e.g., a pressure-sensitive adhesive), a back-sticking protective film 102, glue 16 (e.g., a pressure-sensitive adhesive), and
  • the thickness design value of the first material layer 131 is between 150 ⁇ m and 300 ⁇ m
  • the thickness of the second protective layer 14 e.g., superhard HC
  • the overall stacked thickness d of the screen module 1 is between 0.5 mm and 0.8 mm
  • the screen module provided by the present application can use composite polycarbonate (Polycarbonate, or composite PC) with a thickness greater than 150 ⁇ m and less than 300 ⁇ m instead of traditional CG glass as the protective layer of the screen module, so that the embodiment of the present application can greatly reduce the overall thickness of the screen module and reduce the weight of the screen module 1 while not affecting the reliability and display function of the screen module, thereby laying a foundation for the lightweight electronic equipment.
  • composite polycarbonate Polycarbonate, or composite PC
  • the embodiment of the present application can effectively increase the wear resistance and reliability of the screen module 1 and improve the service life of the screen module 1 by disposing a second protective layer 14 with a thickness greater than or equal to 10 ⁇ m on the upper surface of the first protective layer 13 .
  • H hardness
  • H represents the hardness of a material, which can be used to measure the wear resistance of a material. The higher the hardness, the higher the wear resistance of the material. According to industry standards, a wear resistance of 7H to 9H indicates that the screen module has better wear resistance.
  • the screen module further includes a third protective layer 15 , which is disposed on the first protective layer 13 On the surface facing the display function layer 11, the thickness of the third protective layer 15 is greater than or equal to 10 ⁇ m.
  • the material of the third protective layer 15 is a hard coating (Hard coating, or can be called super hard HC).
  • the material of the third protective layer 15 is an anti-reflection coating, such as AR (anti-reflection) coating, AG (anti-glare) coating, and the like.
  • the material of the third protective layer 15 and the material of the second protective layer 14 can be the same, for example, both are superhard HC, or different, for example, the material of the third protective layer 15 can be AR (anti-reflection) coating, and the material of the second protective layer 14 can be superhard HC.
  • Figure 7 is a schematic diagram of the laminated structure of the screen module of the embodiment of the present application.
  • the laminated layers of the screen module 1 of the embodiment of the present application may be, from top to bottom, for example, a second protective layer 14, a first protective layer 13, a third protective layer 15, a display auxiliary layer 12, a display functional layer 11, and a support layer 10.
  • the display auxiliary layer 12 may be, for example, a polarizer 121.
  • the display auxiliary layer 12 may also be, for example, an optical coating 122 coated on the surface of the display functional layer 11 (for details, please refer to the following text for understanding).
  • the embodiment of the present application can further improve the wear resistance and reliability of the screen module 1 and further improve the service life of the screen module 1 by setting the second protective layer 14 on the upper surface of the first protective layer 13 and setting the third protective layer 15 on the lower surface of the first protective layer 13 (or it can be understood as the surface facing the display function layer 11). Or it can be understood that the embodiment of the present application uses the first protective layer 13, the second protective layer 14 and the third protective layer 15 to replace the traditional CG glass, which can greatly reduce the thickness of the screen module while ensuring that the wear resistance and reliability of the screen module are not affected. Experiments have proved that this embodiment can improve the wear resistance of the screen module 1 to more than 7H, and no orange peel texture appears on the surface of the screen module 1.
  • FIGs 9 to 11 are schematic cross-sectional views of the screen module of the embodiment of the present application.
  • the structure of the screen module 1 shown in Figure 9 is basically the same as the structure shown in Figure 2, except that the display auxiliary layer 12 is an optical coating 122, and the optical coating 122 is coated on the surface of the display function layer 11 facing the first protective layer 13 (or can be understood as the upper surface of the display function layer 11) using depolarizer technology (Color Filter on encapsulation, or COE).
  • depolarizer technology Color Filter on encapsulation, or COE.
  • depolarization technology Color Filter on encapsulation, or COE
  • COE Color Filter on encapsulation
  • the structure of the screen module 1 shown in FIG. 11 is basically the same as that shown in FIG. 4.
  • the difference is that the display auxiliary layer 12 is an optical coating 122.
  • the optical coating 122 is coated on the surface of the display function layer 11 facing the first protective layer 13 (or the upper surface of the display function layer 11) using the depolarizing film technology (Color Filter on encapsulation, or COE).
  • COE Color Filter on encapsulation
  • an optical coating is applied on the display function layer instead of the traditional polarizer, or it can be understood that the embodiment of the present application cancels the polarizer provided in the screen module through the COE (Color Filter on encapsulation) technology, thereby realizing a POL (Polarizer)-free solution for the screen module, further reducing the thickness of the screen module, and improving the display light and shadow effects of the screen module, and has the advantage of low cost.
  • COE Color Filter on encapsulation
  • the present application also provides an electronic device, including the screen module 1 involved in the above-mentioned embodiments and implementation methods.
  • the electronic device of the embodiment of the present application uses a screen module that is thin and light, has better light and shadow effects and is low in cost. Therefore, the electronic device of the embodiment of the present application can achieve lightweight electronic equipment, better display performance and low cost.
  • the electronic device of the embodiment of the present application has strong wear resistance because its screen module has a second protective layer arranged on the upper surface of the first protective layer and a third protective layer arranged on the lower surface of the first protective layer, and can effectively improve the service life of the electronic device.
  • the electronic device is a foldable electronic device, including an outer screen and an inner screen arranged back to back; the inner screen can be folded and switched between an unfolded state and a folded state, and when the inner screen is in the folded state, the outer screen serves as a display screen of the foldable electronic device; wherein the outer screen adopts the screen module involved in the above-mentioned embodiments and possible embodiments.
  • the foldable electronic device of the embodiment of the present application can achieve thinness and lightness of the electronic device, and improve the bulkiness of the traditional foldable electronic device. It also has the advantages of better display performance and low cost.

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Abstract

一种屏幕模组及电子设备，屏幕模组包括第一保护层和显示功能层，第一保护层设于显示功能层的第一侧。第一保护层包括第一材料层，第一材料层设于显示功能层的第一侧，第一材料层的材质为复合聚碳酸酯；或者：第一保护层包括第一材料层和第二材料层，第一材料层设于显示功能层的第一侧，第二材料层设于第一材料层远离显示功能层一侧的表面，其中，第一材料层的材质为热塑性聚氨酯弹性体橡胶，第二材料层的材质为无色聚酰亚胺；或者：第一材料层的材质为玻璃且第一材料层的厚度小于或等于100μm，第二材料层的材质为聚乙烯对苯二甲酸酯。能够保证屏幕模组的可靠性和显示功能不受影响的同时，减薄屏幕模组整体厚度。

Description

屏幕模组及电子设备
本申请要求于2023年01月17日提交中国专利局、申请号为：202310093673.5、申请名称为“屏幕模组及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子信息技术领域，尤其是涉及一种屏幕模组及电子设备。
背景技术
随着电子设备的不断更新迭代，为了解决直板手机屏幕尺寸较小不便于作为移动办公的工具这一难题，折叠手机应运而生走进了人们的视野，折叠手机是一种新型的手机形态，它在折叠状态时，其长宽尺寸与当前市面上的直板手机尺寸相似，在展开状态是，其屏幕尺寸能够增加一倍，发挥了强大的娱乐交互性。但由于折叠机处于折叠状态时，其整机的厚度趋近于直板机厚度的两倍，携带不方便，且操作时有些笨重感，因此如何将折叠手机做到极致轻薄，逐渐成为了业界主要研究的课题。
现有技术中，一方面，可通过将折叠手机外屏的CG(Curved Glass，曲面玻璃)玻璃减薄，另一方面，可以选用微晶玻璃作为CG玻璃，进而达到减薄折叠手机整机厚度的目的。然而，一味地减薄CG玻璃的厚度，会对折叠手机整机的可靠性造成影响，影响折叠手机的使用寿命，而微晶玻璃成本高昂，不利于控制生产成本。
可见，现有技术存在，折叠手机整机厚度难以减薄的问题。
发明内容
本申请实施例提供了一种屏幕模组及电子设备，解决了现有技术折叠手机整机厚度难以减小的问题。
本申请提供了一种屏幕模组，包括第一保护层和显示功能层，第一保护层设于显示功能层的第一侧。
第一保护层包括第一材料层，第一材料层设于显示功能层的第一侧；第一材料层的材质为复合聚碳酸酯；或者：
第一保护层包括第一材料层和第二材料层，第一材料层设于显示功能层的第一侧；第二材料层设于第一材料层远离显示功能层一侧的表面；其中，第一材料层的材质为热塑性聚氨酯弹性体橡胶，第二材料层的材质为无色聚酰亚胺；或者：第一材料层的材质为玻璃且第一材料层的厚度小于或等于100μm，第二材料层的材质为于聚乙烯对苯二甲酸酯。当第一材料层的材质为复合聚碳酸酯时，第一材料层的厚度大于150μm且小于300μm。当第二材料层的材质为无色聚酰亚胺时，第二材料层的厚度大于30μm且小于100μm。当第二材料层的材质为于聚乙烯对苯二甲酸酯时，第二材料层的厚度大于50μm且小于100μm。
本申请提供的屏幕模组，采用厚度大于150μm且小于300μm的复合聚碳酸酯(Polycarbonate，或称为复合PC)、热塑性聚氨酯弹性体橡胶(Thermoplastic polyurethanes，或称为TPU)和厚度大于30μm且小于100μm的无色聚酰亚胺(Colorless Polyimide，或称为CPI)，或者厚度小于或等于100μm的超薄玻璃(Ultra-Thin Glass，或称为UTG)和厚度大于50μm且小于100μm的于聚乙烯对苯二甲酸酯(Poly-Ethylene Terephthalate，或称为PET)代替传统的CG玻璃作为屏幕模组的保护层，由于上述材料均能够在厚度较薄的条件下仍保持较高的可靠性，因而能够保证屏幕模组的可靠性和显示功能不受影响的同时，大幅度减薄屏幕模组整体厚度，为电子设备的轻薄化奠定了基础。
在一些可能的实施例中，第一材料层的材质为玻璃，并且第一材料层的厚度大于30μm且小于60μm。
在一些实施例中，屏幕模组还包括第二保护层，第二保护层设于第一保护层远离显示功能层一侧的表面，第二保护层的厚度大于或等于10μm，第二保护层的材质为硬质涂层或者防反射涂层。
本申请实施例通过在第一保护层上表面(或可理解为第一保护层远离显示功能层一侧的表面)设置厚度大于或等于10μm的第二保护层，能够有效增加屏幕模组的耐磨性和可靠性，提高屏幕模组的使用寿命，或可理解为，本申请实施例采用第一保护层和第二保护层代替传统的CG玻璃，能够在保证屏幕模组 耐磨性、可靠性不受影响的情况下，大大减小屏幕模组的厚度。其中，第二保护层的材质可例如为硬质涂层，例如超硬HC(Hard coating，硬质涂层)，第二保护层的材质还可例如是防反射涂层，例如AR(anti-reflection，防反射)涂层，AG(anti-glare，防炫光)涂层等等。
在一些实施例中，屏幕模组还包括第三保护层，第三保护层设于第一保护层朝向显示功能层一侧的表面，第三保护层的厚度大于或等于10μm，第三保护层的材质为硬质涂层或者防反射涂层。
本申请实施例通过在第一保护层上表面设置第二保护层，在第一保护层的下表面(或可理解为朝向显示功能层一侧的表面)设置第三保护层，能够进一步提高屏幕模组的耐磨性和可靠性，进一步提高屏幕模组的使用寿命。或可理解为，本申请实施例采用第一保护层、第二保护层和第三保护层代替传统的CG玻璃，能够在保证屏幕模组耐磨性、可靠性不受影响的情况下，大大减小屏幕模组的厚度。其中，第二保护层和第三保护层的材质可例如为硬质涂层，例如超硬HC(Hard coating，硬质涂层)，还可例如是防反射涂层，例如AR(anti-reflection，防反射)涂层，AG(anti-glare，防炫光)涂层等等。
在一些实施例中，屏幕模组还包括显示辅助层，显示辅助层设于显示功能层朝向第一保护层一侧的表面。
在一些实施例中，显示辅助层为偏振光片，偏振光片固定于显示功能层朝向第一保护层一侧的表面。
在一些实施例中，显示辅助层为光学涂层，光学涂层涂覆于显示功能层朝向第一保护层一侧的表面。
本申请实施例中，利用在显示功能层上涂覆光学涂层代替传统的偏振光片，或可理解为本申请实施例通过COE(Color Filter on encapsulation，去偏光片技术)技术取消了屏幕模组内设置的偏振光片，实现了屏幕模组的无POL(Polarizer，偏振光片)方案，进一步减薄了屏幕模组的厚度，还能够提高屏幕模组的显示光影效果，并且，具有成本低廉的优点。
在一些实施例中，屏幕模组还包括位于显示功能层第二侧的支撑层，第二侧为与显示功能层的第一侧相背的一侧。
支撑层包括基材层和背贴保护膜；背贴保护膜设于显示功能层远离第一保护层一侧的表面，基材层设于背贴保护膜远离显示功能层一侧的表面。
在一些实施方式中，基材层的材质为玻璃且基材层的厚度小于或等于0.1mm(或可理解为超薄玻璃，Ultra-Thin Glass，或称为UTG)，或者，基材层的材质为微晶玻璃，且微晶玻璃的厚度大于0.1mm且小于0.6mm。
由于超薄玻璃(或称为UTG)、微晶玻璃具有较好的刚度，采用超薄玻璃或者微晶玻璃作为基材层能够有效提高其他叠层(例如显示辅助层、显示功能层、第一保护层、第二保护层、第三保护层等等)设于基材层上的平整性，并且，由于超薄玻璃或者微晶玻璃的密度较低，因而，用超薄玻璃或者微晶玻璃作为基材层能够大大减轻屏幕组件的重量，提高屏幕组件的耐摔程度。
在一些实施例中，基材层粘接于背贴保护膜，背贴保护膜粘接于显示功能层。
在一些实施例中，第一保护层的第一材料层或者第二材料层粘接于显示辅助层。
在一些实施例中，屏幕模组的厚度为厚度d，0.5mm≤厚度d≤0.9mm。
本申请还提供了一种电子设备，包括上述各实施例及可能的实施例中所涉及的屏幕模组。
本申请实施例的电子设备，由于采用的屏幕模组厚度较薄且重量较轻，还具有较佳的光影效果且成本低廉，因而，本申请实施例的电子设备可实现电子设备的轻薄化，显示性能较佳且成本低廉。
在一些实施例中，该电子设备为可折叠电子设备，包括相背设置的外屏和内屏；内屏能够被折叠在展开状态和折叠状态之间切换，当内屏处于折叠状态时，外屏作为可折叠电子设备的显示屏；其中，外屏采用上述各实施例及可能的实施例所涉及的屏幕模组。
由于本申请实施例外屏采用的屏幕模组厚度较薄且重量较轻，还具有较佳的光影效果且成本低廉，因而，本申请实施例的可折叠电子设备可实现电子设备的轻薄化，改善传统的可折叠电子设备的笨重感，同时具有显示性能较佳且成本低廉的优点。
附图说明
图1为本申请实施例屏幕模组的叠层结构示意图；
图2为本申请实施例屏幕模组的剖视结构示意图；其中，第一材料层的材质为热塑性聚氨酯弹性体橡胶，第二材料层的材质为无色聚酰亚胺，显示辅助层为偏振光片；
图3为本申请实施例屏幕模组的剖视结构示意图，其中，第一材料层的材质为超薄玻璃，第二材料 层的材质为于聚乙烯对苯二甲酸酯，显示辅助层为偏振光片；
图4为本申请实施例屏幕模组的剖视结构示意图，其中，第一材料层的材质为复合聚碳酸酯，第二保护层设于第一材料层远离显示功能层一侧的表面，显示辅助层为偏振光片；
图5为本申请实施例屏幕模组的叠层结构示意图，其中，第二保护层设于第一保护层远离显示功能层一侧的表面；
图6为本申请实施例屏幕模组的叠层结构示意图；其中，第三保护层设于第一保护层朝向显示功能层一侧的表面；
图7为本申请实施例屏幕模组的叠层结构示意图；其中，显示辅助层为偏振光片；
图8为本申请实施例屏幕模组的叠层结构示意图；其中，显示辅助层为涂覆于显示功能层的光学涂层；
图9为本申请实施例屏幕模组的剖视结构示意图；其中，第一材料层的材质为热塑性聚氨酯弹性体橡胶，第二材料层的材质为无色聚酰亚胺，显示辅助层为光学涂层；
图10为本申请实施例屏幕模组的剖视结构示意图，其中，第一材料层的材质为超薄玻璃，第二材料层的材质为于聚乙烯对苯二甲酸酯，显示辅助层为光学涂层；
图11为本申请实施例屏幕模组的剖视结构示意图，其中，第一材料层的材质为复合聚碳酸酯，第二保护层设于第一材料层远离显示功能层一侧的表面，显示辅助层为光学涂层。
附图标记说明：
1：屏幕模组；
10：支撑层；101：基材层；102：背贴保护膜；11：显示功能层；12：显示辅助层；121：偏振光片；122：光学涂层；13：第一保护层；131：第一材料层；132：第二材料层；14：第二保护层；15：第三保护层；16：胶水。
具体实施方式
以下由特定的具体实施例说明本申请的实施方式，本领域技术人员可由本说明书所揭示的内容轻易地了解本申请的其他优点及功效。虽然本申请的描述将结合一些实施例一起介绍，但这并不代表此申请的特征仅限于该实施方式。恰恰相反，结合实施方式作申请介绍的目的是为了覆盖基于本申请的权利要求而有可能延伸出的其它选择或改造。为了提供对本申请的深度了解，以下描述中将包含许多具体的细节。本申请也可以不使用这些细节实施。此外，为了避免混乱或模糊本申请的重点，有些具体细节将在描述中被省略。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
应注意的是，在本说明书中，相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本申请的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请的实施方式作进一步地详细描述。
随着移动办公时代的到来，“移动办公”也可称为“3A办公”，也叫移动OA,即办公人员可在任何时间(Anytime)、任何地点(Anywhere)处理与业务相关的任何事情(Anything)。这种全新的办公模式，可以让办公人员摆脱时间和空间的束缚。单位信息可以随时随地通畅地进行交互流动，工作将更加轻松有效，整体运作更加协调，利用手机的移动信息化软件，建立手机与电脑互联互通的企业软件应用系统，摆脱时间和场所局限，随时进行随身化的公司管理和沟通，推动政府和企业效益增长，然而直板手机受 限于屏幕的尺寸给移动办公带来了诸多不便，随之而来的折叠手机走进了人们的视野，折叠屏手机是一种新型的手机形态。它在折叠状态时，其长宽尺寸具有与当前市面上的直板手机尺寸相似。在展开状态时，其屏幕尺寸能够增加一倍，发挥了强大的娱乐交互性，但由于折叠机整体厚度趋近于直板机厚度的两倍，携带不够便捷，单屏操作有些笨重感，因此如何将折叠手机做到极致轻薄，逐渐在业内成为的主要的研究课题。
现折叠屏手机极致轻薄成为关键研究课题，但目前受限于当前外屏设计方案的瓶颈，折叠手机减重减薄外屏设计方案成为了关键的瓶颈要素，如何在极致的空间最大限度地减薄整机的厚度与重量，为移动办公带来最佳的体验，成为整机竞争力的关键一环。当前折叠机逐步减薄之后，受限于整机可靠性(跌落、滚筒等)，外屏CG(Gurved Class，曲面玻璃)不能一味的减薄，即使使用微晶玻璃，其厚度也有一定的限制，外屏的屏幕模组受限于玻璃本身的密度与厚度使得整体减薄减轻代价很大，受限于新玻璃材料的开发与成本，因此很难做出极致的轻薄的折叠机设计方案。
本申请提供了一种屏幕模组，其可应用于侧滑手机、直板手机，也可应用于折叠手机的外屏，折叠手机例如大内折手机、外折手机、小内折手机、多折手机等等。其中，外屏可理解为折叠手机在折叠状态时裸露在外的屏幕，还可应用于笔记本电脑的显示屏、智能电视的屏幕、智能手表的显示屏、可穿戴设备的显示屏等等。
为了更好的阐述本申请屏幕模组的结构所带来的优异的减薄减重效果，以下举例说明四种参考设计叠层结构的设计参数。具体请参见下表1。
表1
其中，CG表示CG玻璃，OCA(Optically Clear Adhesive)表示光学胶，POL(Polarizer)表示偏振光片，PNL(Panel)表示屏显示控制面板(或可理解为后文提及的显示功能层)，PSA(Pressure Sensitive Adhesive)表示压敏胶，BF(Back Film)表示背贴保护膜，SCF(super clean foam)表示缓冲散热膜，TP(TouchPad)表示触控屏，LGP(light guide plate)表示导光板，PS(Photo Spacer))表示光阻材料。
可见，表1中所示的参考设计叠层结构的整体叠层厚度均大于1mm。
请参见图1，图1为本申请实施例屏幕模组的叠层结构示意图。本申请提供了一种屏幕模组1，包括第一保护层13和显示功能层11，第一保护层13设于显示功能层11的第一侧，显示功能层11的第一侧可理解为显示功能层11的上侧。
请参见图2，图2为本申请实施例屏幕模组的剖视结构示意图。
一个实施方式中，如图2所示，第一保护层13包括第一材料层131和第二材料层132，第一材料层131设于显示功能层11的第一侧(或可理解为显示功能层11的上侧)。第二材料层132设于第一材料层131远离显示功能层11一侧的表面。一个实施方式中，如图2所示，第一材料层131的材质为热塑性聚氨酯弹性体橡胶(Thermoplastic polyurethanes，或称为TPU)，第二材料层132的材质为无色聚酰亚胺(Colorless Polyimide，或称为CPI)。其中，第一材料层131和第二材料层132之间可以是通过胶水16粘接在一起的，胶水16可例如为压敏胶(Pressure Sensitive Adhesive，或可称为PSA)、自主研发的A18胶等等，本申请对胶水16的类型不作限定。
一个实施方式中，屏幕模组1还包括显示辅助层12，显示辅助层12设于显示功能层11朝向第一保护层13一侧的表面，或可理解为显示辅助层12设于显示功能层11的上表面。一个实施方式中，显示辅助层12为偏振光片121(或可称为Polarizer)，偏振光片121固定于显示功能层11朝向第一保护层13一侧的表面，例如，偏振光片121和第一保护层13的第一材料层131(例如TPU)通过胶水16粘接在一起。一个实施方式中，如图1和图2所示，屏幕模组1还包括位于显示功能层11第二侧的支撑层10，第二侧为与显示功能层11的第一侧向背的一侧，或可理解为，显示功能层11的第二侧为显示功能层11的下侧。一个实施方式中，支撑层10包括基材层101和背贴保护膜102，其中，背贴保护膜102设于显示功能层11远离第一保护层13一侧的表面，基材层101设于背贴保护膜102远离显示功能层11一侧的表面。一个实施方式中，基材层101通过胶水16，例如通过压敏胶(Pressure Sensitive Adhesive，或可称为PSA)粘接于背贴保护膜102，背贴保护膜102胶水16，例如通过压敏胶(Pressure Sensitive Adhesive，或可称为PSA)粘接于显示功能层11。
本领域技术人员可以理解的是，偏振光片121可理解为能够把光散射以增加显示视角的光学器件，还可称为偏光片。显示功能层11可例如为屏显示控制面板(Panel，或可称为PNL)。
进一步的，基材层101的材质不限，例如可以采用低密度的复合材料、碳纤、轻量化陶瓷、凯夫拉、玻纤等轻质材料，若对减重要求不高，还可采用不锈钢(或可称为SUS)、钛合金、铜合金等材料，本申请对此不作限定。
一个实施方式中，基材层101的材质为微晶玻璃，微晶玻璃的厚度大于0.1mm且小于0.6mm。本领域技术人员可以理解的是，微晶玻璃是指加有晶核剂(或不加晶核剂)的特定组成的基础玻璃，在一定温度制度下进行晶化热处理，在玻璃内均匀地析出大量的微小晶体，形成致密的微晶相和玻璃相的多相复合体。
其他可替代的实施方式中，基材层101的材质为玻璃且基材层101的厚度小于或等于0.1mm(或可理解为超薄玻璃，Ultra-Thin Glass，或称为UTG)，
由于超薄玻璃或者微晶玻璃具有较好的刚度，采用超薄玻璃或者微晶玻璃作为基材层能够有效提高其他叠层(例如显示辅助层12、显示功能层11、第一保护层13、第二保护层14、第三保护层15等等)设于基材层101上的平整性，并且，由于超薄玻璃或者微晶玻璃的密度较低，因而，用超薄玻璃或者微晶玻璃作为基材层101能够大大减轻屏幕组件的重量，提高屏幕组件的耐摔程度，兼顾了屏幕组件轻薄化、平整性和耐摔程度的多方面需求。
具体的，如图2所示，本申请实施例屏幕模组1的叠层从上之下可例如为第二材料层132(例如CPI)、A18胶、第一材料层131(例如TPU)、A18胶、显示辅助层12(例如偏振光片121)、显示功能层11、胶水16(例如压敏胶)、背贴保护膜102、胶水16(例如压敏胶)、基材层101。其中，第二材料层132(例如CPI)的厚度设计值在30μm-100μm之间，屏幕模组1的整体叠层厚度d在0.6mm-0.9mm之间，并且，经实验证明，该实施例的屏幕模组整体质感良好，光影效果佳，其挤压可达到22kgf以上，落球冲击可以达到40cm高以上。
本领域技术人员可以理解的是，kgf(kilogram-force)表示公斤力，是一种力的单位。
可见，本申请提供的屏幕模组，能够采用热塑性聚氨酯弹性体橡胶(Thermoplastic polyurethanes，或称为TPU)和厚度大于30μm且小于100μm的无色聚酰亚胺(Colorless Polyimide，或称为CPI)代替传统的CG玻璃作为屏幕模组的保护层，由于TPU材料和CPI材料能够在厚度较薄的条件下仍保持较高的可靠性，因而本申请实施例能够屏幕模组的可靠性和显示功能不受影响的同时，大幅度减薄屏幕模组整体厚度、减轻了屏幕模组1的重量，为电子设备的轻薄化奠定了基础。
一个实施方式中，如图3所示，图3为本申请实施例屏幕模组的剖视结构示意图，图3所示的屏幕模组结构与图2所示屏幕模组的结构大致相同，其不同之处在于，第一材料层的材质为超薄玻璃(Ultra-Thin Glass，或称为UTG)，第二材料层的材质为于聚乙烯对苯二甲酸酯(Poly-Ethylene Terephthalate，或称为PET)。
本领域技术人员可以理解的是，超薄玻璃(Ultra-Thin Glass，或称为UTG)为厚度小于或等于100μm的玻璃，其可以是平面玻璃，也可以是柔性玻璃等等。
具体的，如图3所示，本申请实施例屏幕模组1的叠层从上之下可例如为第二材料层132(例如PET)、A18胶、第一材料层131(例如UTG)、A18胶、显示辅助层12(例如偏振光片121)、显示功能层11、胶水16(例如压敏胶)、背贴保护膜102、胶水16(例如压敏胶)、基材层101。其中，第二材料 层132(例如PET)的厚度设计值在50μm-100μm之间，屏幕模组1的整体叠层厚度d在0.6mm-0.8mm之间，并且，经实验证明，该实施例的屏幕模组整体质感良好，光影效果佳，其挤压可达到25kgf以上，落球冲击可以达到50cm高以上。
可见，本申请提供的屏幕模组，能够采用超薄玻璃(Ultra-Thin Glass，或称为UTG)和厚度大于50μm且小于100μm的于聚乙烯对苯二甲酸酯(Poly-Ethylene Terephthalate，或称为PET)代替传统的CG玻璃作为屏幕模组的保护层，由于UTG材料和PET材料能够在厚度较薄的条件下仍保持较高的可靠性，因而本申请实施例能够屏幕模组的可靠性和显示功能不受影响的同时，大幅度减薄屏幕模组整体厚度、减轻了屏幕模组1的重量，为电子设备的轻薄化奠定了基础。
一个实施方式中，如图4所示，图4为本申请实施例屏幕模组的剖视结构示意图，图4所示的屏幕模组结构与图2所示屏幕模组的结构大致相同，其不同之处在于，第一保护层13包括第一材料层131，且第一材料层的材质为复合聚碳酸酯(Polycarbonate，或称为复合PC)。其中，第一材料层131(例如复合PC)的厚度设计值在150μm-300μm之间。
一个实施方式中，请参见图4和图5，图5为本申请实施例屏幕模组的叠层结构示意图。屏幕模组1还包括第二保护层14，第二保护层14设于第一保护层13远离显示功能层11一侧的表面，第二保护层14的厚度大于或等于10μm，一个实施方式中，第二保护层14的材质为硬质涂层(Hard coating，或可称为超硬HC)，一个实施方式中，第二保护层14的材质为防反射涂层，例如AR(anti-reflection，防反射)涂层，AG(anti-glare，防炫光)涂层等等。其中，AG涂层添加的百分比可例如为10％～50％。其它可替代的实施方式中，第二保护层14的材质还可以是其它材质，例如耐磨材质等等。
本领域技术人员可以理解的是，AR(anti-reflection，防反射)涂层为一种光学涂层，其能够通过减少放射率进而提高光的透过率，降低表面眩光和增加基底的透光率和亮度。同时通过降低特定光波的表面反射率还提供更好的对比清晰度。AG(anti-glare，防炫光)涂层，其特点是能够使原来的反光表面变为哑光漫反射表面，可使反光影像模糊，防止眩光、减少光影，具有较强的防腐、防划伤性能。
具体的，如图4所示，本申请实施例屏幕模组1的叠层从上之下可例如为第二保护层14(例如超硬HC)、第一材料层131(例如复合PC)、A18胶、显示辅助层12(例如偏振光片121)、显示功能层11、胶水16(例如压敏胶)、背贴保护膜102、胶水16(例如压敏胶)、基材层101。其中，第一材料层131(例如复合PC)的厚度设计值在150μm-300μm之间，第二保护层14(例如超硬HC)的厚度大于或等于10μm，屏幕模组1的整体叠层厚度d在0.5mm-0.8mm之间，并且，经实验证明，该实施例的屏幕模组整体质感良好，光影效果佳，其挤压可达到25kgf以上，落球冲击可以达到50cm高以上。
可见，本申请提供的屏幕模组，能够采用厚度大于150μm且小于300μm的复合聚碳酸酯(Polycarbonate，或称为复合PC)代替传统的CG玻璃作为屏幕模组的保护层，使得本申请实施例能够屏幕模组的可靠性和显示功能不受影响的同时，大幅度减薄屏幕模组整体厚度、减轻了屏幕模组1的重量，为电子设备的轻薄化奠定了基础。
进一步的，本申请实施例通过在第一保护层13的上表面设置厚度大于或等于10μm的第二保护层14，能够有效增加屏幕模组1的耐磨性和可靠性，提高屏幕模组1的使用寿命。
本领域技术人员应当理解的是，其它可替代的实施方式中，第二保护层14还可设于第二材料层132的上表面，例如图2中第二材料层132(例如CPI)的表面，或者例如图3中第二材料层132(例如PET)的表面，只要第二保护层14设于第一保护层13远离显示功能层11一侧的表面，就不脱离本申请实施例的范围。
本申请实施例通过在第一保护层13上表面(或可理解为第一保护层13远离显示功能层11一侧的表面)设置厚度大于或等于10μm的第二保护层14，能够有效增加屏幕模组的耐磨性和可靠性，提高屏幕模组1的使用寿命，或可理解为，本申请实施例采用第一保护层13和第二保护层14代替传统的CG玻璃，能够在保证屏幕模组耐磨性、可靠性不受影响的情况下，大大减小屏幕模组1的厚度。经实验证明，通过在第一保护层13上表面(或可理解为第一保护层13远离显示功能层11一侧的表面)设置厚度大于或等于10μm的第二保护层14能够将屏幕模组1的耐磨程度提升至7H以上，相较于传统方案中CG玻璃，本申请屏幕模组的的耐磨程度较优或者与之相当，且屏幕模组1表面未出现橘皮纹。
本领域技术人员可以理解的是，H(hardness)表示材料的硬度，能够用于衡量材料的耐磨程度，硬度越高，表示材料的耐磨程度越高。按照行业标准，耐磨程度处于7H～9H表征屏幕模组的耐磨性能较佳。
一个实施方式中，如图6所示，屏幕模组还包括第三保护层15，第三保护层15设于第一保护层13 朝向显示功能层11一侧的表面，第三保护层15的厚度大于或等于10μm，一个实施方式中，第三保护层15的材质为硬质涂层(Hard coating，或可称为超硬HC)其它可替代的实施方式中，第三保护层15的材质为防反射涂层，例如AR(anti-reflection，防反射)涂层，AG(anti-glare，防炫光)涂层等等。
其中，第三保护层15的材质与第二保护层14的材质可以是相同的，例如均为超硬HC，也可以是不同的，例如第三保护层15的材质可以是AR(anti-reflection，防反射)涂层，第二保护层14的材质可以是超硬HC。
一个实施方式中，请参见图6～图8，图7为本申请实施例屏幕模组的叠层结构示意图。如图6所示，本申请实施例屏幕模组1的叠层从上之下可例如为第二保护层14、第一保护层13、第三保护层15、显示辅助层12、显示功能层11、支撑层10。一个实施方式中，如图7所示，显示辅助层12可例如为偏振光片121，其它可替代的实施方式中，如图8所示，显示辅助层12还可例如是涂覆在显示功能层11表面的光学涂层122(具体可参照后文理解)。
本申请实施例通过在第一保护层13上表面设置第二保护层14，在第一保护层13的下表面(或可理解为朝向显示功能层11一侧的表面)设置第三保护层15，能够进一步提高屏幕模组1的耐磨性和可靠性，进一步提高屏幕模组1的使用寿命。或可理解为，本申请实施例采用第一保护层13、第二保护层14和第三保护层15代替传统的CG玻璃，能够在保证屏幕模组耐磨性、可靠性不受影响的情况下，大大减小屏幕模组的厚度。经实验证明，该实施例能够将屏幕模组1的耐磨程度提升至7H以上，且未屏幕模组1表面未出现橘皮纹。
请参见图9～图11，图9～图11均为本申请实施例屏幕模组的剖视结构示意图。图9所示的屏幕模组1的结构与图2所示的结构基本相同，其不同之处在于：显示辅助层12为光学涂层122，光学涂层122采用去偏光片技术(Color Filter on encapsulation，或可称为COE)涂覆于显示功能层11朝向第一保护层13一侧的表面(或可理解为显示功能层11的上表面)。经实验证明，该实施例的屏幕模组1整体质感良好，光影效果佳，其挤压可达到22kgf以上，落球冲击可以达到40cm高以上。
本领域技术人员可以理解的是，去偏光技术(Color Filter on encapsulation，或可称为COE)为通过在显示功能层11表面涂覆光学涂层(例如彩膜)代替传统的偏振光片提升屏幕显示效果和透光率的技术。
请参见图10，图10所示的屏幕模组1的结构与图3所示的结构基本相同，其不同之处在于：显示辅助层12为光学涂层122，光学涂层122采用去偏光片技术(Color Filter on encapsulation，或可称为COE)涂覆于显示功能层11朝向第一保护层13一侧的表面(或可理解为显示功能层11的上表面)。经实验证明，该实施例的屏幕模组1整体质感良好，光影效果佳，其挤压可达到25kgf以上，落球冲击可以达到50cm高以上。
请参见图11，图11所示的屏幕模组1的结构与图4所示的结构基本相同，其不同之处在于：显示辅助层12为光学涂层122，光学涂层122采用去偏光片技术(Color Filter on encapsulation，或可称为COE)涂覆于显示功能层11朝向第一保护层13一侧的表面(或可理解为显示功能层11的上表面)。经实验证明，该实施例的屏幕模组1整体质感良好，光影效果佳，其挤压可达到25kgf以上，落球冲击可以达到50cm高以上。
本申请实施例中，利用在显示功能层上涂覆光学涂层代替传统的偏振光片，或可理解为本申请实施例通过COE(Color Filter on encapsulation，去偏光片技术)技术取消了屏幕模组内设置的偏振光片，实现了屏幕模组的无POL(Polarizer，偏振光片)方案，进一步减薄了屏幕模组的厚度，还能够提高屏幕模组的显示光影效果，并且具有成本低廉的优点。
本申请还提供了一种电子设备，包括上述各实施例及实施方式所涉及的屏幕模组1。
本申请实施例的电子设备，由于采用的屏幕模组厚度较薄且重量较轻，还具有较佳的光影效果且成本低廉，因而，本申请实施例的电子设备可实现电子设备的轻薄化，显示性能较佳且成本低廉。
进一步的，本申请实施例的电子设备，因其屏幕模组具有设于第一保护层上表面的第二保护层和设于第一保护层下表面的第三保护层，因而具有较强的耐磨性能，能够有效提高电子设备的使用寿命。
一种实施方式中，该电子设备为可折叠电子设备，包括相背设置的外屏和内屏；内屏能够被折叠在展开状态和折叠状态之间切换，当内屏处于折叠状态时，外屏作为该可折叠电子设备的显示屏；其中，外屏采用上述各实施例及可能的实施例所涉及的屏幕模组。
由于本申请实施例外屏采用的屏幕模组厚度较薄且重量较轻，还具有较佳的光影效果且成本低廉，因而，本申请实施例的可折叠电子设备可实现电子设备的轻薄化，改善传统的可折叠电子设备的笨重感， 同时具有显示性能较佳且成本低廉的优点。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (13)

  1. 一种屏幕模组，其特征在于，包括第一保护层和显示功能层，所述第一保护层设于所述显示功能层的第一侧；
    所述第一保护层包括第一材料层，所述第一材料层设于所述显示功能层的第一侧；所述第一材料层的材质为复合聚碳酸酯；或者：
    所述第一保护层包括第一材料层和第二材料层，所述第一材料层设于所述显示功能层的所述第一侧；所述第二材料层设于所述第一材料层远离所述显示功能层一侧的表面；其中，所述第一材料层的材质为热塑性聚氨酯弹性体橡胶，所述第二材料层的材质为无色聚酰亚胺；或者：所述第一材料层的材质为玻璃且所述第一材料层的厚度小于或等于100μm，所述第二材料层的材质为于聚乙烯对苯二甲酸酯；
    当所述第一材料层的材质为复合聚碳酸酯时，所述第一材料层的厚度大于150μm且小于300μm；
    当所述第二材料层的材质为无色聚酰亚胺时，所述第二材料层的厚度大于30μm且小于100μm；
    当所述第二材料层的材质为于聚乙烯对苯二甲酸酯时，所述第二材料层的厚度大于50μm且小于100μm。
  2. 如权利要求1所述的屏幕模组，其特征在于，所述屏幕模组还包括第二保护层，所述第二保护层设于所述第一保护层远离所述显示功能层一侧的表面，所述第二保护层的厚度大于或等于10μm，所述第二保护层的材质为硬质涂层或者防反射涂层。
  3. 如权利要求2所述的屏幕模组，其特征在于，所述屏幕模组还包括第三保护层，所述第三保护层设于所述第一保护层朝向所述显示功能层一侧的表面，所述第三保护层的厚度大于或等于10μm，所述第三保护层的材质为硬质涂层或者防反射涂层。
  4. 如权利要求1～3任一项所述的屏幕模组，其特征在于，所述屏幕模组还包括显示辅助层，所述显示辅助层设于所述显示功能层朝向所述第一保护层一侧的表面。
  5. 如权利要求4所述的屏幕模组，其特征在于，所述显示辅助层为偏振光片，所述偏振光片固定于所述显示功能层朝向所述第一保护层一侧的表面。
  6. 如权利要求4所述的屏幕模组，其特征在于，所述显示辅助层为光学涂层，所述光学涂层涂覆于所述显示功能层朝向所述第一保护层一侧的表面。
  7. 如权利要求1～6任一项所述的屏幕模组，其特征在于，所述屏幕模组还包括位于所述显示功能层第二侧的支撑层，所述第二侧为与所述显示功能层的所述第一侧相背的一侧；
    所述支撑层包括基材层和背贴保护膜；所述背贴保护膜设于所述显示功能层远离所述第一保护层一侧的表面，所述基材层设于所述背贴保护膜远离所述显示功能层一侧的表面。
  8. 如权利要求7所述的屏幕模组，其特征在于，所述基材层的材质为玻璃且所述基材层的厚度小于或等于0.1mm，或者，所述基材层的材质为微晶玻璃，且所述微晶玻璃的厚度大于0.1mm且小于0.6mm。
  9. 如权利要求7或8所述的屏幕模组，其特征在于，所述基材层粘接于所述背贴保护膜，所述背贴保护膜粘接于所述显示功能层。
  10. 如权利要求4～9任一项所述的屏幕模组，其特征在于，所述第一保护层的所述第一材料层或者所述第二材料层粘接于所述显示辅助层。
  11. 如权利要求1～10任一项所述的屏幕模组，其特征在于，所述屏幕模组的厚度为厚度d，0.5mm≤所述厚度d≤0.9mm。
  12. 一种电子设备，其特征在于，包括权利要求1～11任一项所述的屏幕模组。
  13. 如权利要求12所述的电子设备，其特征在于，所述电子设备为可折叠电子设备，包括相背设置的外屏和内屏；所述内屏能够被折叠在展开状态和折叠状态之间切换，当所述内屏处于所述折叠状态时，所述外屏作为所述可折叠电子设备的显示屏；其中，所述外屏采用权利要求1～11任一项所述的屏幕模组。
PCT/CN2023/133350 2023-01-17 2023-11-22 屏幕模组及电子设备 WO2024152729A1 (zh)

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