WO2025213488A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置

Info

Publication number
WO2025213488A1
WO2025213488A1 PCT/CN2024/087889 CN2024087889W WO2025213488A1 WO 2025213488 A1 WO2025213488 A1 WO 2025213488A1 CN 2024087889 W CN2024087889 W CN 2024087889W WO 2025213488 A1 WO2025213488 A1 WO 2025213488A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
sublayer
protective
adhesive layer
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/087889
Other languages
English (en)
French (fr)
Inventor
胡晓静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Publication of WO2025213488A1 publication Critical patent/WO2025213488A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Definitions

  • the present invention relates to the field of display, and in particular to a display panel and a display device.
  • the replaceable cover layer 110' of the existing display panel 100' uses a film layer with low hardness and modulus (as shown in Figure 1, the first polymer protective layer 111' and the second polymer protective layer 112') as the outermost replaceable layer, and the hard protective layer (as shown in Figure 1, 113') is directly bonded to the display layer 120' via an adhesive layer 130' and cannot be replaced. This results in a poor user experience.
  • the stylus easily scratches the outer surface of the cover layer, reducing the product quality of the display panel.
  • the present invention provides a display panel and a display device, which can alleviate the technical problem that the replaceable cover layer in the current display panel uses a film layer with low hardness and modulus as the outermost layer, resulting in poor user experience and easy scratches on the surface.
  • the present invention provides a display panel, comprising:
  • a cover layer located on the light-emitting side of the display layer
  • a first adhesive layer located between the display layer and the cover layer
  • the cover layer includes a protective sublayer, the protective sublayer is located on a side of the first adhesive layer away from the display layer, the hardness of the surface of the protective sublayer away from the first adhesive layer is greater than or equal to 6H, and the hardness of the surface of the protective sublayer away from the first adhesive layer is less than or equal to 9H;
  • the water drop angle of the surface of the cover layer on the side in contact with the first adhesive layer is greater than or equal to 100 degrees, and/or the water drop angle of the surface of the display layer on the side in contact with the first adhesive layer is greater than or equal to 100 degrees.
  • the present invention further provides a display device, including a display panel, wherein the display panel includes:
  • a cover layer located on the light-emitting side of the display layer
  • a first adhesive layer located between the display layer and the cover layer
  • the cover layer includes a protective sublayer, the protective sublayer is located on a side of the first adhesive layer away from the display layer, the hardness of the surface of the protective sublayer away from the first adhesive layer is greater than or equal to 6H, and the hardness of the surface of the protective sublayer away from the first adhesive layer is less than or equal to 9H;
  • the water drop angle of the surface of the cover layer on the side in contact with the first adhesive layer is greater than or equal to 100 degrees, and/or the water drop angle of the surface of the display layer on the side in contact with the first adhesive layer is greater than or equal to 100 degrees.
  • FIG1 is a schematic structural diagram of a display panel in the prior art
  • FIG2 is a schematic structural diagram of a display panel provided by an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a first structure of a cover layer of a display panel provided by an embodiment of the present invention
  • FIG4 is a schematic diagram of a second structure of a cover layer of a display panel provided by an embodiment of the present invention.
  • FIG5 is a schematic diagram of a third structure of a cover layer of a display panel provided by an embodiment of the present invention.
  • FIG6 is a schematic diagram of a structure of a protective sublayer of a display panel provided by an embodiment of the present invention.
  • FIG7 is a schematic structural diagram of a display device provided by an embodiment of the present invention.
  • the present application provides a display panel and a display device. To make the purpose, technical solution, and effects of the present application clearer and more explicit, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application.
  • the replaceable cover layer in the display panel uses a film layer with low hardness and modulus as the outermost layer, which has technical problems such as poor user experience and easy scratches on the surface.
  • an embodiment of the present invention provides a display panel 100, including:
  • the cover layer 102 is located on the light-emitting side of the display layer 101;
  • a first adhesive layer 103 is located between the display layer 101 and the cover layer 102;
  • the cover layer 102 includes a protective sublayer 105, which is located on a side of the first adhesive layer 103 away from the display layer 101.
  • the hardness of the surface of the protective sublayer 105 away from the first adhesive layer 103 is greater than or equal to 6H, and the hardness of the surface of the protective sublayer 105 away from the first adhesive layer 103 is less than or equal to 9H.
  • the water drop angle of the surface of the cover layer 102 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees, and/or the water drop angle of the surface of the display layer 101 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees.
  • the hardness of the surface of the protective sublayer 105 on the side away from the first adhesive layer 103 is greater than or equal to 6H and less than or equal to 9H.
  • the provision of the protective sublayer 105 increases the hardness of the cover layer 102 on the side away from the display layer 101 (i.e., the side of the cover layer 102 that is contacted by the user), thereby improving the user experience and reducing the occurrence of surface scratches.
  • the protective sublayer 105 is located on the side of the display layer 101 away from the first adhesive layer 103. When the protective sublayer 105 is damaged, it can be separated from the display layer 101 and removed, facilitating the repair or replacement of the cover layer 102, thereby maintaining the product quality of the display panel 100 and extending the service life of the display panel 100.
  • a protective sublayer 105 with relatively high hardness is provided through the cover layer 102, and a water drop angle of the surface of the cover layer 102 and/or the display layer 101 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees. While reducing the difficulty of removing the cover layer 102, the surface hardness of the cover layer 102 on the side away from the display layer 101 is enhanced, thereby improving the user experience and reducing the occurrence of surface scratches, thereby improving the product quality of the display panel.
  • the difference between the hydrophobicity of the surface of the display layer 101 in contact with the first adhesive layer 103 and the hydrophobicity of the surface of the cover layer 102 in contact with the first adhesive layer 103 is utilized to facilitate separation of the display layer 101 from the first adhesive layer 103, or separation of the cover layer 102 from the first adhesive layer 103, thereby facilitating separation of the cover layer 102 from the display layer 101, reducing the difficulty of removing the cover layer 102, and extending the service life of the display panel.
  • the water drop angle of the surface of the display layer 101 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees, for example, 105 degrees, 108 degrees, 110 degrees, 115 degrees, 118 degrees, 120 degrees, etc., so that the surface of the display layer 101 in contact with the first adhesive layer 103 has sufficient hydrophobicity, which facilitates the separation of the display layer 101 and the first adhesive layer 103.
  • the water drop angle can be measured using a water drop angle tester.
  • the water drop angle of the surface on the side of the display layer 101 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees
  • the water drop angle of the surface on the side of the cover layer 102 in contact with the first adhesive layer 103 is greater than or equal to 20 degrees
  • the water drop angle of the surface on the side of the cover layer 102 in contact with the first adhesive layer 103 is less than or equal to 50 degrees, so that the surface on the side of the cover layer 102 in contact with the first adhesive layer 103 has sufficient hydrophilicity, so that there is sufficient adhesion between the cover layer 102 and the first adhesive layer 103, so that when the cover layer 102 is separated from the display layer 101, the first adhesive layer 103 is removed together, and no first adhesive layer 103 remains on the light-emitting side of the display layer 101.
  • the display layer 101 when the water drop angle of the surface of the display layer 101 on the side in contact with the first adhesive layer 103 is greater than or equal to 100 degrees, the display layer 101 includes a first sublayer 115, and the side of the first sublayer 115 close to the first adhesive layer 103 is in contact with the first adhesive layer 103, that is, the water drop angle of the surface of the first sublayer 115 on the side in contact with the first adhesive layer 103 is greater than or equal to 100 degrees.
  • the first sub-layer 115 may be an anti-fingerprint coating having properties such as oil resistance, anti-fingerprint, and water resistance.
  • the material of the first sub-layer 115 may be selected from at least one of a fluorine-containing inorganic material and a fluorine-containing organic material.
  • the material of the first sub-layer 115 may be selected from a fluorine-silicon compound.
  • the water drop angle of the surface of the cover layer 102 on the side in contact with the first adhesive layer 103 is greater than or equal to 100 degrees, for example, it can be 105 degrees, 108 degrees, 110 degrees, 115 degrees, 118 degrees, 120 degrees, etc., so that the surface of the cover layer 102 on the side in contact with the first adhesive layer 103 has sufficient hydrophobicity, which is beneficial to the separation of the cover layer 102 and the first adhesive layer 103.
  • the water drop angle of the surface on the side of the cover layer 102 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees
  • the water drop angle of the surface on the side of the display layer 101 in contact with the first adhesive layer 103 is greater than or equal to 20 degrees
  • the water drop angle of the surface on the side of the display layer 101 in contact with the first adhesive layer 103 is less than or equal to 50 degrees, so that the surface on the side of the display layer 101 in contact with the first adhesive layer 103 has sufficient hydrophilicity, so that the display layer 101 and the first adhesive layer 103 have sufficient adhesion, and when the cover layer 102 is separated from the display layer 101, the first adhesive layer 103 can be completely retained and continue to adhere to the replaced cover layer 102.
  • the hydrophobicity of the surface of the display layer 101 in contact with the first adhesive layer 103 and the surface of the cover layer 102 in contact with the first adhesive layer 103 are both relatively high, thereby facilitating layer-by-layer separation between the cover layer 102 and the first adhesive layer 103, and between the first adhesive layer 103 and the display layer 101, with no first adhesive layer 103 remaining on the light-emitting side of the display layer 101.
  • the water drop angle of the surface of the cover layer 102 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees
  • the water drop angle of the surface of the display layer 101 in contact with the first adhesive layer 103 is greater than or equal to 100 degrees.
  • the cover layer 102 when the water drop angle of the surface of the cover layer 102 on the side in contact with the first adhesive layer 103 is greater than or equal to 100 degrees, the cover layer 102 further includes a second sublayer 121, and the side of the second sublayer 121 close to the first adhesive layer 103 is in contact with the first adhesive layer 103, that is, the water drop angle of the surface of the second sublayer 121 on the side in contact with the first adhesive layer 103 is greater than or equal to 100 degrees.
  • the second sub-layer 121 may be an anti-fingerprint coating having properties such as oil resistance, anti-fingerprint, and water resistance.
  • the material of the second sub-layer 121 may be selected from at least one of a fluorine-containing inorganic material and a fluorine-containing organic material.
  • the material of the first sub-layer 115 may be selected from a fluorine-silicon compound.
  • the cover layer 102 further includes a substrate sublayer 104, and the substrate sublayer 104 is located between the protective sublayer 105 and the first adhesive layer 103.
  • the substrate sublayer 104 is located between the second sublayer 121 and the protective sublayer 105.
  • the substrate sublayer 104 is located between the protective sublayer 105 and the first adhesive layer 103, and the side of the substrate sublayer 104 closer to the first adhesive layer 103 is in contact with the first adhesive layer 103.
  • the cover layer 102 further includes a third sublayer 106, and the protective sublayer 105 is located between the third sublayer 106 and the substrate sublayer 104.
  • the hardness of the surface of the third sublayer 106 on the side away from the substrate sublayer 104 is less than or equal to the hardness of the surface of the protective sublayer 105 on the side away from the substrate sublayer 104.
  • the hardness of the surface of the third sublayer 106 on the side away from the substrate sublayer 104 is greater than the hardness of the surface of the protective sublayer 105 on the side away from the substrate sublayer 104.
  • the provision of the third sublayer 106 not only improves the hardness of the side of the cover layer 102 away from the display layer 101 (i.e., the side of the cover layer 102 contacted by the user) by utilizing the protective sublayer 105, but also protects the protective sublayer 105 by utilizing the third sublayer 106, thereby reducing the risk of the protective sublayer 105 breaking.
  • the third sublayer 106 is located on the outermost side of the cover layer 102 away from the display layer 101, that is, the surface of the third sublayer 106 away from the substrate sublayer 104 is the outermost surface of the display panel 100 on the light-emitting side of the display layer 101.
  • the provision of the third sublayer 106 is beneficial to protecting the protective sublayer 105 and preventing fragments generated by the protective sublayer 105 from injuring the user when the protective sublayer 105 is broken, thereby improving the safety of use of the display panel 100.
  • the hardness of the surface of the third sub-layer 106 away from the substrate sub-layer 104 is greater than the hardness of the surface of the third sub-layer 106 close to the substrate sub-layer 104. That is, the hardness of the surface of the third sub-layer 106 close to the substrate sub-layer 104 is lower, and the hardness of the surface of the third sub-layer 106 away from the substrate sub-layer 104 is higher. This further improves the user experience and reduces the occurrence of surface scratches. When the protective sub-layer 105 breaks during use, the fragments of the protective sub-layer 105 are prevented from injuring the user, thereby improving the safety of the display panel 100.
  • the orthographic projection of the protective sublayer 105 on the substrate sublayer 104 is located within the orthographic projection of the third sublayer 106 on the substrate sublayer 104, which is beneficial to improving the protection effect of the protective sublayer 105 and the safety of use of the display panel 100.
  • the protective sublayer 105 includes at least one side surface located between a surface of the protective sublayer 105 away from the substrate sublayer 104 and a surface of the protective sublayer 105 closer to the substrate sublayer 104.
  • the third sublayer 106 covers at least one side surface of the protective sublayer 105. While enhancing the protective effect of the third sublayer 106 on the protective sublayer 105, it also prevents the protective sublayer 105 from being broken during cutting when the cover layer 102 is cut and formed, thereby improving the product yield of the display panel 100.
  • the third sublayer 106 covers every side surface of the protective sublayer 105.
  • the hardness of the surface of the third sublayer 106 away from the substrate sublayer 104 is greater than the hardness of the surface of the substrate sublayer 104 close to the third sublayer 106, which is beneficial to improving the surface hardness of the cover layer 102 away from the display layer 101, improving the user experience and reducing the occurrence of surface scratches, thereby improving the product quality of the display panel 100.
  • the surface hardness of the third sublayer 106 on the side away from the substrate sublayer 104 is greater than or equal to 3H, and the surface hardness of the third sublayer 106 on the side away from the substrate sublayer 104 is less than or equal to 9H, for example, it can be 4H, 5H, 6H, 7H, 8H, etc.
  • the third sublayer 106 may be a hard coating.
  • the material of the third sublayer 106 may be a composite material that is a mixture or hybridization of organic and inorganic phases.
  • the material of the third sublayer 106 may be selected from an inorganic-organic material containing silicon.
  • the material of the third sublayer 106 may be selected from at least one of a composite material containing silicon oxide and/or silicon nitride, a polymer of siloxane and acrylic, a semi-siloxane polymer, and an aliphatic or aromatic polymer containing an inorganic silicon group.
  • the surface of the third sublayer 106 away from the substrate sublayer 104 has a higher surface hardness and better recovery performance.
  • the material of the third sub-layer 106 is selected from a polymer containing silicone, since this type of material has good recovery properties, when a stylus or other harder object is used to slide with greater force on the surface of the third sub-layer 106 away from the display layer 101, subtle marks may be left on the surface. When the stylus or other harder object leaves the surface, the subtle marks will automatically recover and disappear.
  • the protective sublayer 105 may include ultra-thin glass (UTG) or other organic materials with a certain hardness and capable of playing a supporting role, so as to enhance the surface hardness of the side of the cover layer 102 away from the display layer 101 while meeting the bending performance requirements of the display panel 100.
  • UTG ultra-thin glass
  • the hardness of the surface of the protective sublayer 105 away from the substrate sublayer 104 is greater than or equal to 6H, and the hardness of the surface of the protective sublayer 105 away from the substrate sublayer 104 is less than or equal to 9H, for example, it can be 6.2H, 6.3H, 6.4H, 6.5H, 6.6H, 6.7H, 6.8H, 6.9H, 7H, 7.2H, 7.3H, 7.4H, 7.5H, 7.6H, 7.7H, 7.8H, 7.9H, 8.2H, 8.3H, 8.4H, 8.5H, 8.6H, 8.7H, 8.8H, 8.9H, etc.
  • the cover layer 102 further includes a second adhesive layer 107 located between the substrate sub-layer 104 and the protective sub-layer 105.
  • the second adhesive layer 107 adheres and secures the protective sub-layer 105 to the substrate sub-layer 104.
  • the third sub-layer 106 covers at least one side of the protective sub-layer 105, the surface portion of the third sub-layer 106 on the side closest to the substrate sub-layer 104 contacts the second adhesive layer 107.
  • the materials of the first adhesive layer 103 and the second adhesive layer 107 can be selected from optical adhesives with high light transmittance.
  • the surface of the protective sublayer 105 away from the substrate sublayer 104 is parallel to the plane of the substrate sublayer 104, that is, the surface of the protective sublayer 105 away from the substrate sublayer 104 is a flat surface.
  • the surface of the protective sublayer 105 close to the substrate sublayer 104 is parallel to the plane of the substrate sublayer 104, that is, the surface of the protective sublayer 105 close to the substrate sublayer 104 is a flat surface.
  • the distance between the surface of the protective sublayer 105 close to the substrate sublayer 104 and the surface of the protective sublayer 105 away from the substrate sublayer 104 is the thickness of the protective sublayer 105.
  • the thickness of the protective sublayer 105 is greater than or equal to 25 microns and less than or equal to 50 microns.
  • the thickness of the protective sublayer 105 can be 30 microns, 32 microns, 35 microns, 37 microns, 40 microns, 42 microns, 45 microns, 47 microns, etc.
  • the third sub-layer 106 when the surface of the protective sub-layer 105 away from the substrate sub-layer 104 is parallel to the plane where the substrate sub-layer 104 is located, the third sub-layer 106 includes a first portion 113, and the orthographic projection of the first portion 113 on the substrate sub-layer 104 is located within the orthographic projection of the protective sub-layer 105 on the substrate sub-layer 104.
  • the surface of the first portion 113 close to the substrate sub-layer 104 is parallel to the plane where the substrate sub-layer 104 is located, and the surface of the first portion 113 away from the substrate sub-layer 104 is parallel to the plane where the substrate sub-layer 104 is located.
  • the distance between the surface of the first portion 113 close to the substrate sub-layer 104 and the surface of the first portion 113 away from the substrate sub-layer 104 is equal to the thickness of the first portion 113.
  • the thickness of the first portion 113 is smaller than that of the protective sublayer 105 , so as to improve the surface hardness of the cover layer 102 away from the substrate sublayer 104 , improve the user experience and reduce the occurrence of surface scratches, thereby improving the product quality of the display panel 100 .
  • the ratio of the thickness of the first portion 113 to the thickness of the protective sublayer 105 is greater than or equal to 0.4, and the ratio of the thickness of the first portion 113 to the thickness of the protective sublayer 105 is less than or equal to 0.8.
  • it can be 0.5, 0.55, 0.56, 0.58, 0.6, 0.65, 0.66, 0.67, 0.7, 0.72, 0.75, 0.78, etc., so as to adjust the surface hardness of the cover layer 102 away from the display layer 101, the protection of the third sublayer 106 to the protective sublayer 105, and other properties.
  • the thickness of the first portion 113 is greater than or equal to 16 microns, and the thickness of the first portion 113 is less than or equal to 24 microns.
  • the thickness can be 17 microns, 18 microns, 19 microns, 20 microns, 21 microns, 22 microns, 23 microns, etc.
  • the third sub-layer 106 when the third sub-layer 106 covers at least one side of the protective sub-layer 105, the third sub-layer 106 further includes a second portion 114.
  • the orthographic projection of the second portion 114 on the substrate sub-layer 104 is located outside the orthographic projection of the protective sub-layer 105 on the substrate sub-layer 104, and the second portion 114 covers at least one side of the protective sub-layer 105.
  • the thickness of the second portion 114 is equal to the sum of the thicknesses of the first sub-portion and the protective sub-layer 105, so that the surface of the third sub-layer 106 facing away from the substrate sub-layer 104 is parallel to the plane of the substrate sub-layer 104.
  • the thickness of the second portion 114 is greater than or equal to 41 microns and less than or equal to 74 microns.
  • the thickness of the second portion 114 can be 42 microns, 45 microns, 46 microns, 48 microns, 50 microns, 52 microns, 55 microns, 58 microns, 60 microns, 62 microns, 65 microns, 68 microns, 70 microns, 72 microns, etc.
  • the display panel 100 also includes a bending sub-area 108 located in the display area, and the protective sub-layer 105 includes at least one groove 110.
  • the groove 110 is located on the side of the protective sub-layer 105 away from the substrate sub-layer 104.
  • the groove 110 is located in the bending sub-area 108.
  • the setting of the groove 110 is beneficial to improving the bending performance of the cover layer 102.
  • the groove 110 is located on a side of the protective sub-layer 105 away from the substrate sub-layer 104, and the depth of the groove 110 is less than the thickness of the protective sub-layer 105. That is, a certain thickness of the protective sub-layer 105 is still present between the side of the groove 110 close to the substrate sub-layer 104 and the side of the protective sub-layer 105 close to the substrate sub-layer 104, so as to maintain the support performance of the protective sub-layer 105 while improving the bending performance of the cover layer 102.
  • the grooves 110 are disposed in a one-to-one correspondence with the bending sub-regions 108 of the display panel 100 , that is, one groove 110 is located in one bending sub-region 108 .
  • the groove 110 includes a side wall of the groove 110 connected to a side of the groove 110 close to the substrate sub-layer 104 and a side of the groove 110 away from the substrate sub-layer 104, and the extension direction of the positive projection of the side wall on the substrate sub-layer 104 is parallel to the extension direction of the bending sub-region 108.
  • the protective sublayer 105 also includes a first thickness portion 111 and a second thickness portion 112.
  • the first thickness portion 111 is located within the orthographic projection of the groove 110 on the substrate sublayer 104
  • the second thickness portion 112 is located outside the orthographic projection of the groove 110 on the substrate sublayer 104.
  • the display panel 100 further includes a non-bending sub-region 109 connected to the bending sub-region 108.
  • the first thickness portion 111 is located within the bending sub-region 108
  • the second thickness portion 112 is at least partially located within the non-bending sub-region 109.
  • the thickness of the second thickness portion 112 is greater than the minimum thickness of the first thickness portion 111. This helps to ensure the bending performance of the display panel 100 while improving the surface hardness of the cover layer 102 on the side away from the display layer 101 in the non-bending sub-region 109, thereby improving the user experience, reducing the occurrence of surface scratches, and enhancing the product quality of the display panel 100.
  • the minimum thickness of the first thickness portion 111 is greater than or equal to 30 microns, and the minimum thickness of the first thickness portion 111 is less than or equal to 50 microns.
  • it can be 32 microns, 35 microns, 36 microns, 40 microns, 42 microns, 45 microns, 46 microns, 48 microns, etc.
  • the thickness of the second thickness portion 112 is greater than or equal to 70 microns, and the thickness of the second thickness portion 112 is less than or equal to 120 microns.
  • it can be 75 microns, 80 microns, 85 microns, 90 microns, 95 microns, microns, 105 microns, 110 microns, 115 microns, etc.
  • the first portion 113 of the third sublayer 106 includes a flat sub-portion 113a and a filling sub-portion 113b
  • the flat sub-portion 113a covers the side of the second thickness portion 112 away from the substrate sub-layer 104
  • the filling sub-portion 113b covers the side of the first thickness portion 111 away from the substrate sub-layer 104.
  • the thickness of the flat sub-portion 113a is greater than or equal to 16 microns, and the thickness of the filling sub-portion 113b is less than or equal to 24 microns.
  • it can be 17 microns, 18 microns, 19 microns, 20 microns, 21 microns, 22 microns, 23 microns, etc.
  • the thickness of the filling sub-portion 113b is greater than or equal to 36 microns, and the thickness of the filling sub-portion 113b is less than or equal to microns, for example, it can be 40 microns, 45 microns, 50 microns, 55 microns, 60 microns, 65 microns, 70 microns, 75 microns, 80 microns, 85 microns, 90 microns, 95 microns, microns, 105 microns, 110 microns, etc.
  • the display panel 100 when the display panel 100 includes the bending sub-region 108, the display panel 100 has a bent state and a flattened state, and the display panel 100 can be a foldable display panel 100.
  • the sum of the thicknesses of the first thickness portion 111 and the filling sub-portion 113b is equal to the sum of the thicknesses of the second thickness portion 112 and the flat sub-portion 113a. That is, when the display panel 100 is in the flattened state, the surface of the third sub-layer 106 away from the substrate sub-layer 104 is parallel to the plane of the substrate sub-layer 104, and the surface of the protective sub-layer 105 away from the substrate sub-layer 104 is parallel to the plane of the substrate sub-layer 104.
  • the sum of the thicknesses of the first thickness portion 111 and the filling sub-portion 113b is greater than or equal to 72 microns, and the sum of the thicknesses of the first thickness portion 111 and the filling sub-portion 113b is less than or equal to 110 microns, for example, it can be 75 microns, 80 microns, 85 microns, 90 microns, 92 microns, 95 microns, 96 microns, microns, 105 microns, etc.
  • the material of the substrate sub-layer 104 can be selected from at least one of polymers having optical properties such as high light transmittance, such as polyethylene terephthalate, polyimide, and thermoplastic polyurethane.
  • the thickness of the substrate sublayer 104 is greater than or equal to 20 microns, and the thickness of the substrate sublayer 104 is less than or equal to 50 microns.
  • it can be 22 microns, 25 microns, 28 microns, 30 microns, 32 microns, 35 microns, 38 microns, 40 microns, 42 microns, 45 microns, 48 microns, etc.
  • Table 1 shows the performance data results of the impact resistance and wear resistance of the display panel provided in the embodiments of the present application.
  • Example 1 and Comparative Example 1 are comparative experimental groups, and the test conditions are the same.
  • the display panel in Example 1 adopts the display panel provided by the embodiment of the present invention
  • the display panel in Comparative Example 1 adopts the display panel in the prior art.
  • the difference between the two is that the cover layer in Example 1 is composed of a substrate sublayer, a second adhesive layer, a protective sublayer and a third sublayer
  • the cover layer in Comparative Example 1 is composed of a hard protective layer and two polymer layers, namely a first polymer protective layer and a second polymer protective layer, which are located on the side of the hard protective layer away from the display layer, and the hard protective layer and the display layer cannot be separated.
  • the protective sublayer of the cover layer in Example 1 has the same structure as the hard protective layer in Comparative Example 1, and when the display panel is in a flattened state, the surface of the cover layer in Example 1 on the side away from the display layer is parallel to the display surface of the display panel, and the surface of the cover layer in Comparative Example 1 on the side away from the display layer is parallel to the display surface of the display panel.
  • the display panel provided by the embodiment of the present invention is comparable to the display panel provided by the prior art in terms of pen drop test and ball drop test results, and the outermost surface of the stylus cover layer is repeatedly slid 2000 times without any scratches, showing good impact resistance and excellent wear resistance.
  • the display layer 101 includes a plurality of functional film layers used for display in the display panel 100 .
  • the display layer 101 further includes a polarizing layer 116 and a panel main layer 117.
  • the polarizing layer 116 is located on a side of the panel main layer 117 close to the cover layer 102.
  • the first sublayer 115 can be formed on a surface of the polarizing layer 116 close to the first adhesive layer 103. That is, the first sublayer 115 is located on a side of the polarizing layer 116 close to the first adhesive layer 103, and the first sublayer 115 is in contact with the polarizing layer 116.
  • the panel main layer 117 further includes a substrate located away from the cover layer 102.
  • the substrate can be a rigid substrate, such as a glass substrate; or a flexible substrate, such as a polyimide substrate.
  • the substrate can be formed from multiple sub-substrates made of the same material, such as polyimide, with adjacent sub-substrates bonded together by adhesive sub-layers.
  • the panel main layer 117 further includes a thin-film transistor layer located between the substrate and the first sublayer 115.
  • the thin-film transistor layer includes thin-film transistors (TFTs), each comprising a semiconductor located on the substrate.
  • the semiconductor can be formed of polysilicon or a metal oxide (such as indium gallium zinc oxide).
  • the semiconductor is divided into a channel region and source and drain regions formed on either side of the channel region.
  • the TFT layer further includes a first gate insulating layer that covers the semiconductor.
  • the TFT also includes a first gate formed on the first gate insulating layer, overlapping the channel region.
  • the first gate can be formed as multiple layers or a single layer composed of a low-resistance material such as Al, Ti, Mo, Cu, Ni, or alloys thereof, or a material with high corrosion resistance.
  • the TFT layer further includes a second gate insulating layer that covers the first gate.
  • the TFT also includes a second gate located on the second gate insulating layer, overlapping the first gate.
  • the second gate can be formed as multiple layers or a single layer composed of a low-resistance material such as Al, Ti, Mo, Cu, Ni, or alloys thereof, or a material with high corrosion resistance.
  • the thin film transistor layer further includes a first interlayer insulating layer formed on the second gate, wherein the first interlayer insulating layer, the first gate insulating layer, and the second gate insulating layer include a source contact hole and a drain contact hole, and the source region and the drain region are exposed through the source contact hole and the drain contact hole, respectively.
  • the thin film transistor also includes a source electrode and a drain electrode arranged in the same layer, both formed on the first interlayer insulating layer, the source electrode is connected to the source region through a source contact hole, and the drain electrode is connected to the drain region through a drain contact hole.
  • the source electrode and the drain electrode can be multiple layers or a single layer formed of a low-resistance material such as Al, Ti, Mo, Cu, Ni, or an alloy thereof, or a material with high corrosion resistance.
  • the source electrode and the drain electrode can be a triple layer of Ti/Cu/Ti, Ti/Ag/Ti, Ti/Al/Ti or Mo/Al/Mo, or other single or multilayer structures.
  • the panel main body layer 117 further includes a planar layer located between the thin film transistor layer and the light emitting layer, and the planar layer covers the source electrode and the drain electrode.
  • the panel main layer 117 further includes an anode layer located between the planar layer and the first sublayer 115.
  • the anode layer includes a plurality of anodes, each of which is provided in a one-to-one correspondence with a pixel unit. Each anode is electrically connected to a thin film transistor.
  • the planar layer includes an anode contact hole, through which the anode contacts the source or drain of the thin film transistor.
  • the panel main body layer 117 further includes a pixel definition layer, the pixel definition layer and the pixel unit are located on the same side of the substrate, and the pixel definition layer includes a pixel definition portion and an opening located between the pixel definition portions.
  • the panel main body layer 117 further includes a light-emitting layer, the light-emitting layer including a plurality of pixel units.
  • the pixel units are located within the openings. The openings expose a portion of the anode and cover the edges of the anode.
  • the pixel units may include red pixel units, green pixel units, and blue pixel units.
  • the cathode layer covers the light-emitting layer.
  • the light-emitting layer includes a hole-forming organic layer, a light-emitting material layer, and an electronic organic layer stacked in sequence.
  • the hole-forming organic layer may include a hole injection layer and a hole transport layer, the hole injection layer is in direct contact with the anode, and the hole transport layer is located between the hole injection layer and the light-emitting material layer.
  • the hole-forming organic layer may also include an electron blocking layer located between the hole transport layer and the light-emitting material layer.
  • the electronic organic layer may include an electron injection layer and an electron transport layer, the electron injection layer is in direct contact with the cathode layer, and the electron transport layer is located between the electron injection layer and the light-emitting material layer.
  • the electronic organic layer may also include a hole blocking layer located between the electron transport layer and the light-emitting layer.
  • the panel main layer 117 further includes an encapsulation layer located on a side of the cathode layer close to the cover layer 102.
  • the encapsulation layer is formed by alternating a plurality of inorganic film layers and organic film layers. For example, along the direction from the display layer 101 to the cover layer 102, the encapsulation layer includes a first inorganic encapsulation sublayer, a first organic encapsulation sublayer, and a second inorganic encapsulation sublayer.
  • the panel main body layer 117 further includes a touch layer located on a side of the encapsulation layer away from the light-emitting layer.
  • the touch layer can implement touch functions using self-capacitive touch or mutual-capacitive touch.
  • the touch layer can have only one touch metal layer.
  • the touch layer When the touch layer implements a touch function using mutual capacitive touch, the touch layer includes a first touch metal layer, a touch insulating layer, and a second touch metal layer, wherein the touch insulating layer is located on a side of the first touch metal layer away from the encapsulation layer, and the second touch metal layer is located on a side of the touch insulating layer away from the encapsulation layer.
  • the first touch metal layer may be directly disposed on the encapsulation layer, or a spacer layer may be disposed between the first touch layer and the encapsulation layer, and the spacer layer may include an inorganic spacer layer and/or an organic spacer layer.
  • the first touch metal layer includes a first touch electrode, a second touch electrode, and a first bridge wire
  • the second touch metal layer includes a second bridge wire
  • both the first touch electrode and the second touch electrode are metal networks
  • the second touch metal layer includes a first touch electrode, a second touch electrode, and a first bridge wire
  • the first touch metal layer includes the second bridge wire.
  • the display panel 100 further includes a backplane layer 118 located on a side of the substrate away from the cover layer 102, a light shielding layer 119 located on a side of the backplane layer 118 away from the substrate, and a support layer 120 located on a side of the light shielding layer 119 away from the substrate.
  • the backplane layer 118 can be made of a flexible material, such as polyimide, to maintain the bendability of the display panel 100; alternatively, the backplane layer 118 and the support layer 120 can be made of the same material.
  • the light shielding layer 119 can be made of a black, flexible material, such as black polyimide.
  • the support layer 120 can be made of a metal material with good heat dissipation properties, such as stainless steel. Both the support layer 120 and the backplane layer 118 can play a role in fixing and supporting the display.
  • the display panel 100 provided by an embodiment of the present invention is provided with a protective sublayer 105 with greater hardness on the side of the substrate sublayer 104 of the cover layer 102 away from the first adhesive layer 103. While reducing the difficulty of removing the cover layer 102, the surface hardness of the cover layer 102 on the side away from the display layer 101 is enhanced, thereby improving the user experience and reducing the occurrence of surface scratches, thereby improving the product quality of the display panel 100.
  • an embodiment of the present invention further provides a display device 10 , including any of the above-mentioned display panels 100 .
  • the specific structure of the display panel 100 can be found in any of the above-mentioned embodiments and drawings of the display panel, and will not be described in detail here.
  • the display device 10 further includes a device body 200 , and the device body 200 is integrated with the display panel 100 .
  • the device body 200 may include a middle frame, frame glue, etc.
  • the display device 10 may be a display terminal such as a mobile phone, a tablet, or a television, which is not limited here.
  • An embodiment of the present invention discloses a display panel and a display device;
  • the display panel includes a display layer, a cover layer and a first adhesive layer, the first adhesive layer is located between the display layer and the cover layer, the cover layer includes a protective sublayer, the protective sublayer is located on the side of the first adhesive layer away from the display layer, the hardness of the surface of the protective sublayer away from the first adhesive layer is greater than or equal to 6H and less than or equal to 9H, and the water drop angle of the surface of the cover layer and/or the display layer in contact with the first adhesive layer is greater than or equal to 100 degrees;
  • the present invention provides a protective sublayer with higher hardness on the cover layer, and makes the water drop angle of the surface of the cover layer and/or the display layer in contact with the first adhesive layer greater than or equal to 100 degrees, thereby reducing the difficulty of removing the cover layer and enhancing the surface hardness of the cover layer away from the display layer, thereby improving the user experience and reducing the occurrence of surface scratches, thereby

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Abstract

一种显示面板(100)及显示装置(10)；显示面板(100)包括显示层(101)、盖板层(102)及两者之间的第一粘合层(103)，盖板层(102)包括保护子层(105)，保护子层(105)位于第一粘合层(103)远离显示层(101)的一侧，保护子层(105)远离第一粘合层(103)一侧的表面的硬度大于或等于6H且小于或等于9H，盖板层(102)和/或显示层(101)与第一粘合层(103)接触的表面的水滴角大于或等于100度。

Description

显示面板及显示装置 技术领域
本发明涉及显示领域，具体涉及一种显示面板及显示装置。
 背景技术
随着显示技术的发展，人们对显示面板及显示装置的产品质量和性能提出了更高的要求。现有的显示面板，例如可折叠类型显示面板，在使用过程中会出现表面划伤、跌落等损伤问题，往往需要将显示面板的盖板层与显示面板的显示层分离，以便于修理或替换。现有的显示面板100’的可替换的盖板层110’使用硬度和模量较低的膜层（如图1中第一聚合物保护层111’、第二聚合物保护层112’所示）作为最外层的可替换层且硬质保护层（如图1中113’所示）与显示层120’直接通过粘合层130’粘合无法替换，用户使用感不佳，当显示面板搭配触控笔时，触控笔易在盖板层外表面留下划痕，降低了显示面板的产品质量。
因此，亟需一种显示面板及显示装置以解决上述技术问题。
 发明概述
本发明提供一种显示面板及显示装置，可以缓解目前的显示面板中的可替换盖板层使用硬度和模量较低的膜层作为最外层，导致用户使用感不佳且表面易留下划痕的技术问题。
为解决上述问题，本申请提供的技术方案如下：
本发明提供一种显示面板，包括：
显示层；
盖板层，位于所述显示层的出光一侧；
第一粘合层，位于所述显示层与所述盖板层之间；
其中，所述盖板层包括保护子层，所述保护子层位于所述第一粘合层远离所述显示层的一侧，所述保护子层远离所述第一粘合层一侧的表面的硬度大于或等于6H,所述保护子层远离所述第一粘合层一侧的表面的硬度小于或等于9H；
所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，和/或，所述显示层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度。
本发明还提供一种显示装置，包括显示面板，所述显示面板包括：
显示层；
盖板层，位于所述显示层的出光一侧；
第一粘合层，位于所述显示层与所述盖板层之间；
其中，所述盖板层包括保护子层，所述保护子层位于所述第一粘合层远离所述显示层的一侧，所述保护子层远离所述第一粘合层一侧的表面的硬度大于或等于6H,所述保护子层远离所述第一粘合层一侧的表面的硬度小于或等于9H；
所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，和/或，所述显示层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度。
 附图说明
图1是现有技术中的显示面板的一种结构示意图；
图2是本发明实施例提供的显示面板的一种结构示意图；
图3是本发明实施例提供的显示面板的盖板层的第一种结构示意图；
图4是本发明实施例提供的显示面板的盖板层的第二种结构示意图；
图5是本发明实施例提供的显示面板的盖板层的第三种结构示意图；
图6是本发明实施例提供的显示面板的保护子层的一种结构示意；
图7是本发明实施例提供的显示装置的结构示意图。
 本发明的实施方式
本申请提供一种显示面板及显示装置，为使本申请的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本申请进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
目前，显示面板中的可替换盖板层使用硬度和模量较低的膜层作为最外层，存在用户使用感不佳且表面易留下划痕的技术问题。
请参阅图2至图6，本发明实施例提供一种显示面板100，包括：
显示层101；
盖板层102，位于所述显示层101的出光一侧；
第一粘合层103，位于所述显示层101与所述盖板层102之间；
其中，所述盖板层102包括保护子层105，所述保护子层105位于所述第一粘合层103远离所述显示层101的一侧，所述保护子层105远离所述第一粘合层103一侧的表面的硬度大于或等于6H,所述保护子层105远离所述第一粘合层103一侧的表面的硬度小于或等于9H；
所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度，和/或，所述显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度。
本发明实施例中，所述保护子层105远离所述第一粘合层103一侧的表面的硬度大于或等于6H且小于或等于9H，通过所述保护子层105的设置，提升了所述盖板层102远离所述显示层101一侧（即，盖板层102被用户接触的一侧）的硬度，提升了用户使用感且减少了表面划痕的出现。同时，所述保护子层105位于所述显示层101远离第一粘合层103的一侧，当所述保护子层105发生损坏时可以与所述显示层101分离并移除，便于所述盖板层102的返修或替换，有利于维持显示面板100的产品质量并延长所述显示面板100的使用寿命。
本发明实施例中，所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度，从而使所述盖板层102与所述第一粘合层103易于分离；和/或，所述显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度，从而使所述第一粘合层103与所述显示层101易于分离。上述设置，有利于降低所述盖板层102的移除难度，便于所述盖板层102的返修或替换，有利于维持显示面板100的产品质量并延长所述显示面板100的使用寿命。
本发明实施例通过盖板层102设置硬度较大的保护子层105，并使盖板层102和/或显示层101与第一粘合层103接触的表面的水滴角大于或等于100度，在降低了盖板层102的移除难度的同时，增强了盖板层102远离显示层101的一侧的表面硬度，提升了用户使用感且减少了表面划痕的出现，提高了显示面板的产品质量。
现结合具体实施例对本发明的技术方案进行描述。
在一些实施例中，利用所述显示层101与所述第一粘合层103接触一侧的表面的疏水性、与所述盖板层102与所述第一粘合层103接触一侧的表面的疏水性之间的差异，有利于实现所述显示层101与所述第一粘合层103之间的分离，或者，实现所述盖板层102与所述第一粘合层103之间的分离，从而易于实现所述盖板层102与所述显示层101的分离，降低所述盖板层102的移除难度，延长所述显示面板的使用寿命。
在一些实施例中，所述显示层101与所述第一粘合层103接触一侧的表面的疏水性，强于所述盖板层102与所述第一粘合层103接触一侧的表面的疏水性时，所述显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度，例如，可以为105度、108度、110度、115度、118度、120度等，以便于所述显示层101与所述第一粘合层103接触一侧的表面具有足够的疏水性，有利于所述显示层101与所述第一粘合层103的分离。水滴角可以使用水滴角测试仪测量获得。
在一些实施例中，当显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度时，所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于20度，所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角小于或等于50度，以便于所述盖板层102与所述第一粘合层103接触一侧的表面具有足够的亲水性，使所述盖板层102与所述第一粘合层103之间具有足够的粘合力，使所述盖板层102与所述显示层101分离时，所述第一粘合层103一并被移除，无所述第一粘合层103残留于所述显示层101的出光一侧。
请参阅图2至图3、及图6，在一些实施例中，当所述显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度时，所述显示层101包括第一子层115，所述第一子层115靠近所述第一粘合层103的一侧与所述第一粘合层103接触，即，所述第一子层115与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度。
在一些实施例中，所述第一子层115可以为抗指纹涂层，具有耐油污、抗指纹、防水等性能。
在一些实施例中，所述第一子层115的材料可以选自含氟的无机材料及含氟的有机材料中的至少一种，例如，所述第一子层115的材料可以选自氟硅化合物。
在一些实施例中，所述显示层101与所述第一粘合层103接触一侧的表面的疏水性，弱于所述盖板层102与所述第一粘合层103接触一侧的表面的疏水性时，所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度，例如，可以为105度、108度、110度、115度、118度、120度等，以便于所述盖板层102与所述第一粘合层103接触一侧的表面具有足够的疏水性，有利于所述盖板层102与所述第一粘合层103的分离。
在一些实施例中，当盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度时，所述显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于20度，所述显示层101与所述第一粘合层103接触一侧的表面的水滴角小于或等于50度，以便于所述显示层101与所述第一粘合层103接触一侧的表面具有足够的亲水性，使所述显示层101与所述第一粘合层103之间具有足够的粘合力，所述盖板层102与所述显示层101分离时，所述第一粘合层103能被完整保留并继续粘合替换后的所述盖板层102。
在一些实施例中，利用所述显示层101与所述第一粘合层103接触一侧的表面的疏水性、所述盖板层102与所述第一粘合层103接触一侧的表面的疏水性均较大，有利于实现所述盖板层102与所述第一粘合层103、所述第一粘合层103与所述显示层101之间的逐层分离，且无所述第一粘合层103残留于所述显示层101的出光一侧。此时，所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度，且所述显示层101与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度。
请参阅图4，在一些实施例中，所述盖板层102与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度时，所述盖板层102还包括第二子层121，所述第二子层121靠近所述第一粘合层103的一侧与所述第一粘合层103接触，即，所述第二子层121与所述第一粘合层103接触一侧的表面的水滴角大于或等于100度。
在一些实施例中，所述第二子层121可以为抗指纹涂层，具有耐油污、抗指纹、防水等性能。
在一些实施例中，所述第二子层121的材料可以选自含氟的无机材料及含氟的有机材料中的至少一种，例如，所述第一子层115的材料可以选自氟硅化合物。
请参阅图2至图5，在一些实施例中，所述盖板层102还包括基材子层104，所述基材子层104位于所述保护子层105与所述第一粘合层103之间。当所述盖板层102包括所述第二子层121时，所述基材子层104位于所述第二子层121与所述保护子层105之间。当所述盖板层102不具有所述第二子层121时，所述基材子层104位于所述保护子层105与所述第一粘合层103之间，且所述基材子层104靠近所述第一粘合层103的一侧与所述第一粘合层103接触。
请参阅图2至图6，在一些实施例中，所述盖板层102还包括第三子层106，所述保护子层105位于所述第三子层106与所述基材子层104之间。其中，所述第三子层106远离所述基材子层104一侧的表面的硬度小于或等于所述保护子层105远离所述基材子层104一侧的表面的硬度。或者，所述第三子层106远离所述基材子层104一侧的表面的硬度大于所述保护子层105远离所述基材子层104一侧的表面的硬度。通过所述第三子层106的设置，在利用所述保护子层105提升了所述盖板层102远离所述显示层101一侧（即，盖板层102被用户接触的一侧）的硬度的同时，利用所述第三子层106保护了所述保护子层105，减少了所述保护子层105的碎裂风险。
请参阅图2至图6，在一些实施例中，所述第三子层106位于所述盖板层102远离所述显示层101的最外侧，即，所述第三子层106远离所述基材子层104一侧的表面为所述显示面板100在所述显示层101的出光一侧的最外侧表面，所述第三子层106的设置，有利于保护所述保护子层105并在所述保护子层105破碎时防止所述保护子层105产生的碎片伤害使用者，提升所述显示面板100的使用安全性。
在一些实施例中，所述第三子层106远离所述基材子层104一侧的表面的硬度大于所述第三子层106靠近所述基材子层104一侧的表面的硬度。即，所述第三子层106靠近所述基材子层104一侧的表面的硬度更低，所述第三子层106远离所述基材子层104一侧的表面的硬度更高，在进一步提升了用户使用感且减少了表面划痕的出现的同时，当所述保护子层105在使用中发生碎裂时，防止所述保护子层105产生的碎片伤害使用者，提升所述显示面板100的使用安全性。
请参阅图5至图6，在一些实施例中，所述保护子层105在所述基材子层104上的正投影位于所述第三子层106在所述基材子层104上的正投影内，有利于提升对所述保护子层105的保护效果及所述显示面板100的使用安全性。
请参阅图5至图6，在一些实施例中，所述保护子层105包括位于所述保护子层105远离所述基材子层104一侧的表面及所述保护子层105靠近所述基材子层104一侧的表面之间的至少一侧面。所述第三子层106覆盖至少一所述保护子层105的侧面，在提升所述第三子层106对所述保护子层105的保护效果的同时，在所述盖板层102通过切割成型时，防止所述保护子层105由于被切割而破碎，提升所述显示面板100的产品良率。优选的，所述第三子层106覆盖所述保护子层105的每一侧面。
在一些实施例中，所述第三子层106远离所述基材子层104一侧的表面的硬度大于所述基材子层104靠近所述第三子层106一侧的表面的硬度，有利于提升盖板层102远离显示层101的一侧的表面硬度，改善用户使用感且减少表面划痕的出现，提高显示面板100的产品质量。
在一些实施例中，所述第三子层106远离所述基材子层104一侧的表面硬度大于或等于3H，所述第三子层106远离所述基材子层104一侧的表面硬度小于或等于9H，例如，可以为4H、5H、6H、7H、8H等。
在一些实施例中，所述第三子层106可以为硬质涂层。所述第三子层106的材料可以为有机和无机相杂糅或杂化的复合材料。所述第三子层106的材料可以选自含硅的无机-有机材料，例如，所述第三子层106的材料可以选自具有氧化硅和/或氮化硅的复合材料、硅氧烷与亚克力的聚合物、半硅氧烷聚合物、含无机硅基团的脂肪族或芳香族聚合物中的至少一者。所述第三子层106选自有机和无机相杂糅或杂化的复合材料时，所述第三子层106远离所述基材子层104一侧的表面具有较高的表面硬度的同时，还能具有较佳的回复性能。例如，当所述第三子层106的材料选自具有硅氧烷的聚合物时，由于该类材料具有较好的回复性能，当使用触控笔或其他较坚硬物体在所述第三子层106远离所述显示层101一侧的表面使用较大力度滑动时，可能会在该表面留下细微痕迹，当触控笔或其他较坚硬物体离开该表面时，细微痕迹会自动恢复并消失。
在一些实施例中，所述保护子层105可以包括超薄玻璃(Ultra thin glass，UTG)，或其他具有一定硬度并能起到支撑作用的有机材料，以增强所述盖板层102远离所述显示层101的一侧的表面硬度的同时，满足所述显示面板100的弯曲性能要求。
在一些实施例中，所述保护子层105远离所述基材子层104一侧的表面的硬度大于或等于6H，所述保护子层105远离所述基材子层104一侧的表面的硬度小于或等于9H，例如，可以为6.2H、6.3H、6.4H、6.5H、6.6H、6.7H、6.8H、6.9H、7H、7.2H、7.3H、7.4H、7.5H、7.6H、7.7H、7.8H、7.9H、8.2H、8.3H、8.4H、8.5H、8.6H、8.7H、8.8H、8.9H等。
请参阅图2至图5，在一些实施例中，所述盖板层102还包括位于所述基材子层104与所述保护子层105之间的第二粘合层107。所述第二粘合层107粘合固定所述保护子层105与所述基材子层104。当所述第三子层106覆盖所述保护子层105的至少一侧面时，所述第三子层106靠近所述基材子层104一侧的表面部分与所述第二粘合层107接触。
在一些实施例中，所述第一粘合层103、所述第二粘合层107的材料可以选自具有较高透光性的光学胶。
请参阅图2至图3，在一些实施例中，所述保护子层105远离所述基材子层104一侧的表面与所述基材子层104所在平面平行，即，所述保护子层105远离所述基材子层104一侧的表面为平坦表面。所述保护子层105靠近所述基材子层104一侧的表面与所述基材子层104所在平面平行，即，所述保护子层105靠近所述基材子层104一侧的表面为平坦表面。所述保护子层105靠近所述基材子层104一侧的表面与所述保护子层105远离所述基材子层104一侧的表面之间的间距为所述保护子层105的厚度，所述保护子层105的厚度大于或等于25微米，所述保护子层105的厚度小于或等于50微米，例如，可以为30微米、32微米、35微米、37微米、40微米、42微米、45微米、47微米等。
请参阅图2至图3，在一些实施例中，当所述保护子层105远离所述基材子层104一侧的表面与所述基材子层104所在平面平行时，所述第三子层106包括第一部113，所述第一部113在所述基材子层104上的正投影位于所述保护子层105在所述基材子层104上的正投影内。所述第一部113靠近所述基材子层104一侧的表面与所述基材子层104所在平面平行，且所述第一部113远离所述基材子层104一侧的表面与所述基材子层104所在平面平行，所述第一部113靠近所述基材子层104一侧的表面与所述第一部113远离所述基材子层104一侧的表面之间的间距为所述第一部113的厚度。所述第一部113的厚度小于所述保护子层105的厚度，以便于提升所述盖板层102远离所述基材子层104一侧的表面硬度，改善用户使用感且减少了表面划痕的出现，提高显示面板100的产品质量。
在一些实施例中，所述第一部113靠近所述基材子层104一侧的表面与所述基材子层104所在平面平行，且所述第一部113远离所述基材子层104一侧的表面与所述基材子层104所在平面平行时，所述第一部113的厚度与所述保护子层105的厚度之比大于或等于0.4，所述第一部113的厚度与所述保护子层105的厚度之比小于或等于0.8，例如，可以为0.5、0.55、0.56、0.58、0.6、0.65、0.66、0.67、0.7、0.72、0.75、0.78等，以便于调节所述盖板层102远离所述显示层101一侧的表面硬度、所述第三子层106对所述保护子层105的保护等性能。
在一些实施例中，所述第一部113的厚度大于或等于16微米，所述第一部113的厚度小于或等于24微米，例如，可以为17微米、18微米、19微米、20微米、21微米、22微米、23微米等。
请参阅图5至图6，在一些实施例中，所述第三子层106覆盖至少一所述保护子层105的侧面时，所述第三子层106还包括第二部114，所述第二部114在所述基材子层104上的正投影位于所述保护子层105在所述基材子层104上的正投影外，所述第二部114覆盖至少一所述保护子层105的侧面。所述第二部114的厚度等于所述第一子部与所述保护子层105的厚度之和，以使所述第三子层106远离所述基材子层104一侧的表面平行于所述基材子层104所在的平面。所述第二部114的厚度大于或等于41微米，所述第二部114的厚度小于或等于74微米，例如，可以为42微米、45微米、46微米、48微米、50微米、52微米、55微米、58微米、60微米、62微米、65微米、68微米、70微米、72微米等。
请参阅图5至图6，在一些实施例中，所述显示面板100还包括位于显示区内的弯折子区108，所述保护子层105包括至少一凹槽110，所述凹槽110位于所述保护子层105远离所述基材子层104的一侧，所述凹槽110位于所述弯折子区108内，通过所述凹槽110的设置，有利于提升所述盖板层102的弯折性能。
在一些实施例中，所述凹槽110位于所述保护子层105远离所述基材子层104的一侧，所述凹槽110的深度小于所述保护子层105的厚度。即，所述凹槽110靠近所述基材子层104的一侧与所述保护子层105靠近所述基材子层104的一侧之间仍然具有一定厚度的所述保护子层105，以便于在提升所述盖板层102的弯折性能的同时，维持所述保护子层105的支撑性能。
请参阅图5，在一些实施例中，所述凹槽110与所述显示面板100的弯折子区108一一对应设置。即，一个所述凹槽110位于一个所述弯折子区108内。
在一些实施例中，所述凹槽110包括连接于所述凹槽110靠近所述基材子层104的一侧与所述凹槽110远离所述基材子层104的一侧的凹槽110侧壁，所述侧壁在所述基材子层104上的正投影的延伸方向，与所述弯折子区108的延伸方向平行。
请参阅图6，在一些实施例中，所述保护子层105还包括第一厚度部111及第二厚度部112，所述第一厚度部111位于所述凹槽110在所述基材子层104上的正投影内，所述第二厚度部112位于所述凹槽110在所述基材子层104上的正投影外。
请参阅图5，在一些实施例中，所述显示面板100还包括与所述弯折子区108连接的非弯折子区109，所述第一厚度部111位于所述弯折子区108内，所述第二厚度部112至少部分位于所述非弯折子区109内。所述第二厚度部112的厚度大于所述第一厚度部111的最小厚度，有利于在保证所述显示面板100的弯折性能的同时，提升盖板层102远离显示层101的一侧在所述非弯折子区109内的表面硬度，改善用户使用感且减少表面划痕的出现，提高显示面板100的产品质量。
在一些实施例中，所述第一厚度部111的最小厚度大于或等于30微米，所述第一厚度部111的最小厚度小于或等于50微米，例如，可以为32微米、35微米、36微米、40微米、42微米、45微米、46微米、48微米等。
在一些实施例中，所述第二厚度部112的厚度大于或等于70微米，所述第二厚度部112的厚度小于或等于120微米，例如，可以为75微米、80微米、85微米、90微米、95微米、微米、105微米、110微米、115微米等。
请参阅图6，在一些实施例中，当所述保护子层105包括所述第一厚度部111及所述第二厚度部112时，所述第三子层106的所述第一部113包括平坦子部113a及填充子部113b，所述平坦子部113a覆盖于所述第二厚度部112远离所述基材子层104的一侧，所述填充子部113b覆盖所述第一厚度部111远离所述基材子层104的一侧。
在一些实施例中，所述平坦子部113a的厚度大于或等于16微米，所述填充子部113b的厚度小于或等于24微米，例如，可以为17微米、18微米、19微米、20微米、21微米、22微米、23微米等。
在一些实施例中，所述填充子部113b的厚度大于或等于36微米，所述填充子部113b的厚度小于或等于微米，例如，可以为40微米、45微米、50微米、55微米、60微米、65微米、70微米、75微米、80微米、85微米、90微米、95微米、微米、105微米、110微米等。
在一些实施例中，当所述显示面板100包括弯折子区108时，所述显示面板100具有弯折状态及展平状态，所述显示面板100可以为可折叠显示面板100。所述第一厚度部111与所述填充子部113b的厚度之和与所述第二厚度部112与所述平坦子部113a的厚度之和相等。即，当所述显示面板100处于展平状态时，所述第三子层106远离所述基材子层104一侧的表面与所述基材子层104所在的平面平行，所述保护子层105远离所述基材子层104一侧的表面与所述基材子层104所在的平面平行。优选的，所述第一厚度部111与所述填充子部113b的厚度之和大于或等于72微米，所述第一厚度部111与所述填充子部113b的厚度之和小于或等于110微米，例如，可以为75微米、80微米、85微米、90微米、92微米、95微米、96微米、微米、105微米等。
在一些实施例中，所述基材子层104的材料可以选自聚对苯二甲酸乙二醇酯、聚酰亚胺、热塑性聚氨酯等具有较高光透过率等光学特性的聚合物中的至少一者。
在一些实施例中，所述基材子层104的厚度大于或等于20微米，所述基材子层104的厚度小于或等于50微米，例如，可以为22微米、25微米、28微米、30微米、32微米、35微米、38微米、40微米、42微米、45微米、48微米等。
请参阅表1，表1为本申请实施例提供的显示面板的抗冲击性及耐磨性的性能数据结果。
表1：显示面板的抗冲击性及耐磨性数据
实施例1与对比例1为对比实验组，测试条件相同。实施例1中的显示面板采用本发明实施例提供的显示面板，对比例1中的显示面板采用现有技术中的显示面板。两者的区别在于，实施例1中的盖板层由基材子层、第二粘合层、保护子层及第三子层组成，对比例1中的盖板层由硬质保护层及位于硬质保护层远离显示层一侧的第一聚合物保护层、第二聚合物保护层两层聚合物层组成，硬质保护层与显示层无法分离。实施例1中的盖板层的保护子层与对比例1中的硬质保护层的结构相同，且，显示面板在展平状态下，实施例1中的盖板层远离显示层的一侧表面与显示面板的显示面平行，对比例1中的盖板层远离显示层的一侧表面与显示面板的显示面平行。
由表1数据可知，本发明实施例提供的显示面板在落笔测试和落球测试结果方面与现有技术提供的显示面板相当，且使用触控笔盖板层最外侧表面反复滑动2000次无划痕，具有较佳的抗冲击性能及优异的耐磨性。
在一些实施例中，所述显示层101包括多个所述显示面板100中用于显示的功能膜层。
请参阅图2，在一些实施例中，所述显示层101还包括偏光层116及面板主体层117，所述偏光层116位于所述面板主体层117靠近所述盖板层102的一侧。所述第一子层115可以形成于所述偏光层116靠近所述第一粘合层103一侧的表面，即，所述第一子层115位于所述偏光层116靠近所述第一粘合层103的一侧，且所述第一子层115与所述偏光层116接触。
在一些实施例中，所述面板主体层117还包括远离所述盖板层102一侧的衬底。所述衬底可以为硬质衬底，如，玻璃衬底；或者，所述衬底可以为柔性衬底，如，所述衬底可以为聚酰亚胺形成的衬底。所述衬底为柔性衬底时，所述衬底可由多层子衬底以相同材料如聚酰亚胺形成，相邻所述子衬底之间通过粘合子层粘合。
在一些实施例中，所述面板主体层117还包括位于所述衬底与所述第一子层115之间的薄膜晶体管层。所述薄膜晶体管层包括薄膜晶体管，所述薄膜晶体管包括位于所述衬底上的半导体，所述半导体可以由多晶硅或金属氧化物（如铟镓锌氧化物）形成。其中，所述半导体被划分成沟道区和形成在沟道区两侧的源极区以及漏极区。所述薄膜晶体管层还包括第一栅极绝缘层，所述第一栅极绝缘层覆盖所述半导体。所述薄膜晶体管还包括形成于所述第一栅极绝缘层上的第一栅极，所述第一栅极与沟道区重叠。所述第一栅极可形成为包括低电阻材料如Al、Ti、Mo、Cu、Ni、或其合金，或具有高防腐性能的材料的多个层或单层。所述薄膜晶体管层还包括第二栅极绝缘层，所述第二栅极绝缘层覆盖所述第一栅极。所述薄膜晶体管还包括位于所述第二栅极绝缘层上的第二栅极，所述第二栅极与所述第一栅极重叠，所述第二栅极可以形成为包括低电阻材料如Al、Ti、Mo、Cu、Ni、或其合金，或具有高防腐性能的材料的多个层或单层。所述薄膜晶体管层还包括形成于所述第二栅极上的第一层间绝缘层。其中，所述第一层间绝缘层和所述第一栅极绝缘层、所述第二栅极绝缘层包括源极接触孔和漏极接触孔，源极区和漏极区分别通过源极接触孔和漏极接触孔被暴露。
所述薄膜晶体管还包括同层设置的源极和漏极，均形成于所述第一层间绝缘层上，所述源极穿过源极接触孔与源极区连接，并且所述漏极穿过漏极接触孔与漏极区连接。其中，所述源极和所述漏极可为由低电阻材料如Al、Ti、Mo、Cu、Ni、或其合金，或具有高防腐性能的材料形成的多个层或单层。例如，所述源极和所述漏极可以是Ti/Cu/Ti、Ti/Ag/Ti、Ti/Al/Ti或Mo/Al/Mo的三重层或其他单层或多层结构。
在一些实施例中，所述面板主体层117还包括位于所述薄膜晶体管层与所述发光层之间的平坦层，所述平坦层覆盖所述源极和所述漏极。
在一些实施例中，所述面板主体层117还包括位于所述平坦层与所述第一子层115之间的阳极层，所述阳极层包括多个阳极，所述阳极与所述像素单元一一对应设置。每一所述阳极分别与所述薄膜晶体管电连接。所述平坦层包括阳极接触孔，所述阳极通过所述阳极接触孔与所述薄膜晶体管的源极或漏极接触。
在一些实施例中，所述面板主体层117还包括像素定义层，所述像素定义层与所述像素单元位于所述衬底的同侧，所述像素定义层包括像素定义部及位于所述像素定义部之间的开口。所述面板主体层117还包括发光层，所述发光层包括多个像素单元。所述像素单元位于所述开口内。所述开口暴露部分所述阳极并覆盖所述阳极的边缘。所述像素单元可以包括红色像素单元、绿色像素单元及蓝色像素单元。
在一些实施例中，所述阴极层覆盖所述发光层。在所述阳极至所述阴极层的方向，所述发光层包括依次叠层设置的空穴性有机层、发光材料层、电子性有机层。所述空穴性有机层可以包括空穴注入层及空穴传输层，所述空穴注入层与所述阳极直接接触，所述空穴传输层位于所述空穴注入层与所述发光材料层之间。所述空穴性有机层还可以包括位于所述空穴传输层与所述发光材料层之间的电子阻挡层。所述电子性有机层可以包括电子注入层及电子传输层，所述电子注入层与所述阴极层直接接触，所述电子传输层位于所述电子注入层与所述发光材料层之间。所述电子性有机层还可以包括位于所述电子传输层与所述发光层之间的空穴阻挡层。
在一些实施例中，所述面板主体层117还包括位于所述阴极层靠近所述盖板层102一侧的封装层。所述封装层由多个无机膜层与有机膜层交替堆叠形成，例如，沿所述显示层101至所述盖板层102的方向，所述封装层包括第一无机封装子层、第一有机封装子层及第二无机封装子层。
在一些实施例中，所述面板主体层117还包括位于所述封装层远离所述发光层一侧的触控层。所述触控层实现触控功能的方式可以为自容式触控或互容式触控。当所述触控层实现触控功能的方式为自容式触控时，所述触控层可以只有一个触控金属层。
当所述触控层实现触控功能的方式为互容式触控时，所述触控层包括第一触控金属层、触控绝缘层及第二触控金属层，其中，所述触控绝缘层位于所述第一触控金属层远离所述封装层的一侧，所述第二触控金属层位于所述触控绝缘层远离所述封装层的一侧。所述第一触控金属层可以直接设置于所述封装层上，或者，所述第一触控层与所述封装层之间还设置有间隔层，所述间隔层可以包括无机间隔层和/或有机间隔层。所述第一触控金属层包括第一触控电极、第二触控电极及第一桥接线，所述第二触控金属层包括第二桥接线，所述第一触控电极与所述第二触控电极均为金属网络；或者，所述第二触控金属层包括第一触控电极、第二触控电极及第一桥接线，所述第一触控金属层包括第二桥接线。
请参阅图2，在一些实施例中，所述显示面板100还包括位于所述衬底远离所述盖板层102的一侧的背板层118、位于所述背板层118远离所述衬底的一侧的遮光层119、及位于所述遮光层119远离所述衬底的一侧的支撑层120。其中，所述背板层118可以设置为易于弯曲的材料，例如，聚酰亚胺等材料，以便于保持所述显示面板100的弯折性能；或者，所述背板层118可以与所述支撑层120使用相同的材料。所述遮光层119的材料可以选自黑色的易于弯曲的材料，例如，黑色聚酰亚胺等材料。所述支撑层120的材料可以选自具有较好散热性的金属材料，例如，所述支撑层120可以选自锈钢等材料。所述支撑层120及所述背板层118均可起到一定的固定及支撑作用。
本发明实施例提供的显示面板100，在所述盖板层102的所述基材子层104远离所述第一粘合层103的一侧设置硬度更大的所述保护子层105，在降低了所述盖板层102的移除难度的同时，增强了所述盖板层102远离所述显示层101的一侧的表面硬度，提升了用户使用感且减少了表面划痕的出现，提高了所述显示面板100的产品质量。
请参阅图7，本发明实施例还提供了一种显示装置10，包括如任一上述的显示面板100。
所述显示面板100的具体结构请参阅任一上述显示面板的实施例及附图，在此不再赘述。
在一些实施例中，所述显示装置10还包括装置主体200，所述装置主体200与所述显示面板100组合为一体。
在一些实施例中，所述装置主体200可以包括中框、框胶等，所述显示装置10可以为手机、平板、电视等显示终端，在此不做限定。
本发明实施例公开了一种显示面板及显示装置；该显示面板包括显示层、盖板层及第一粘合层，第一粘合层位于显示层与盖板层之间，盖板层包括保护子层，保护子层位于第一粘合层远离显示层的一侧，保护子层远离第一粘合层一侧的表面的硬度大于或等于6H且小于或等于9H，盖板层和/或显示层与第一粘合层接触的表面的水滴角大于或等于100度；本发明通过在盖板层设置硬度较大的保护子层，并使盖板层和/或显示层与第一粘合层接触的表面的水滴角大于或等于100度，在降低了盖板层的移除难度的同时，增强了盖板层远离显示层的一侧的表面硬度，提升了用户使用感且减少了表面划痕的出现，提高了显示面板的产品质量。
可以理解的是，对本领域普通技术人员来说，可以根据本申请的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本申请所附的权利要求的保护范围。

Claims (20)

  1. 一种显示面板，其中，包括：
    显示层；
    盖板层，位于所述显示层的出光一侧；
    第一粘合层，位于所述显示层与所述盖板层之间；
    其中，所述盖板层包括保护子层，所述保护子层位于所述第一粘合层远离所述显示层的一侧，所述保护子层远离所述第一粘合层一侧的表面的硬度大于或等于6H,所述保护子层远离所述第一粘合层一侧的表面的硬度小于或等于9H；
    所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，和/或，所述显示层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度。
  2. 根据权利要求1所述的显示面板，其中，所述显示层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于20度，所述盖板层与所述第一粘合层接触一侧的表面的水滴角小于或等于50度。
  3. 根据权利要求2所述的显示面板，其中，所述显示层包括第一子层，所述第一子层靠近所述第一粘合层的一侧与所述第一粘合层接触，所述第一子层的材料包括含氟的无机材料。
  4. 根据权利要求1所述的显示面板，其中，所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，所述盖板层还包括第二子层，所述第二子层靠近所述第一粘合层的一侧与所述第一粘合层接触，所述第二子层的材料包括含氟的无机材料。
  5. 根据权利要求1所述的显示面板，其中，所述盖板层还包括基材子层，所述基材子层位于所述保护子层与所述第一粘合层之间；
    其中，所述基材子层远离所述第一粘合层一侧的表面的硬度小于所述保护子层远离所述第一粘合层一侧的表面的硬度。
  6. 根据权利要求5所述的显示面板，其中，所述盖板层还包括第三子层，所述保护子层位于所述第三子层与所述基材子层之间；
    其中，所述第三子层远离所述基材子层一侧的表面的硬度小于或等于所述保护子层远离所述基材子层一侧的表面的硬度。
  7. 根据权利要求6所述的显示面板，其中，所述第三子层远离所述基材子层一侧的表面的硬度大于所述第三子层靠近所述基材子层一侧的表面的硬度。
  8. 根据权利要求6所述的显示面板，其中，所述保护子层在所述基材子层上的正投影位于所述第三子层在所述基材子层上的正投影内。
  9. 根据权利要求6所述的显示面板，其中，所述保护子层远离所述基材子层一侧的表面与所述基材子层所在平面平行，所述保护子层靠近所述基材子层一侧的表面与所述基材子层所在平面平行，所述保护子层的厚度大于或等于25微米，所述保护子层的厚度小于或等于50微米。
  10. 根据权利要求6所述的显示面板，其中，所述保护子层包括位于所述保护子层远离所述基材子层一侧的表面及所述保护子层靠近所述基材子层一侧的表面之间的至少一侧面，所述第三子层覆盖至少一所述保护子层的侧面。
  11. 根据权利要求6所述的显示面板，其中，所述显示面板还包括位于显示区内的弯折子区，所述保护子层包括至少一凹槽，所述凹槽位于所述保护子层远离所述基材子层的一侧，所述凹槽位于所述弯折子区内。
  12. 根据权利要求11所述的显示面板，其中，所述保护子层还包括第一厚度部及第二厚度部，所述第一厚度部位于所述凹槽在所述基材子层上的正投影内，所述第二厚度部位于所述凹槽在所述基材子层上的正投影外；
    其中，所述第一厚度部的最小厚度大于或等于30微米，所述第一厚度部的最小厚度小于或等于50微米；
    所述第二厚度部的厚度大于或等于70微米，所述第二厚度部的厚度小于或等于120微米。
  13. 一种显示装置，其中，包括显示面板，所述显示面板包括：
    显示层；
    盖板层，位于所述显示层的出光一侧；
    第一粘合层，位于所述显示层与所述盖板层之间；
    其中，所述盖板层包括保护子层，所述保护子层位于所述第一粘合层远离所述显示层的一侧，所述保护子层远离所述第一粘合层一侧的表面的硬度大于或等于6H,所述保护子层远离所述第一粘合层一侧的表面的硬度小于或等于9H；
    所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，和/或，所述显示层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度。
  14. 根据权利要求13所述的显示装置，其中，所述显示层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于20度，所述盖板层与所述第一粘合层接触一侧的表面的水滴角小于或等于50度。
  15. 根据权利要求14所述的显示装置，其中，所述显示层包括第一子层，所述第一子层靠近所述第一粘合层的一侧与所述第一粘合层接触，所述第一子层的材料包括含氟的无机材料。
  16. 根据权利要求13所述的显示装置，其中，所述盖板层与所述第一粘合层接触一侧的表面的水滴角大于或等于100度，所述盖板层还包括第二子层，所述第二子层靠近所述第一粘合层的一侧与所述第一粘合层接触，所述第二子层的材料包括含氟的无机材料。
  17. 根据权利要求13所述的显示装置，其中，所述盖板层还包括基材子层，所述基材子层位于所述保护子层与所述第一粘合层之间；
    其中，所述基材子层远离所述第一粘合层一侧的表面的硬度小于所述保护子层远离所述第一粘合层一侧的表面的硬度。
  18. 根据权利要求17所述的显示装置，其中，所述盖板层还包括第三子层，所述保护子层位于所述第三子层与所述基材子层之间；
    其中，所述第三子层远离所述基材子层一侧的表面的硬度小于或等于所述保护子层远离所述基材子层一侧的表面的硬度。
  19. 根据权利要求18所述的显示装置，其中，所述第三子层远离所述基材子层一侧的表面的硬度大于所述第三子层靠近所述基材子层一侧的表面的硬度。
  20. 根据权利要求18所述的显示装置，其中，所述保护子层在所述基材子层上的正投影位于所述第三子层在所述基材子层上的正投影内。
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