WO2023108759A1 - 一种显示面板及显示终端 - Google Patents

一种显示面板及显示终端 Download PDF

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Publication number
WO2023108759A1
WO2023108759A1 PCT/CN2021/140510 CN2021140510W WO2023108759A1 WO 2023108759 A1 WO2023108759 A1 WO 2023108759A1 CN 2021140510 W CN2021140510 W CN 2021140510W WO 2023108759 A1 WO2023108759 A1 WO 2023108759A1
Authority
WO
WIPO (PCT)
Prior art keywords
display panel
bending
sub
pattern part
support layer
Prior art date
Application number
PCT/CN2021/140510
Other languages
English (en)
French (fr)
Inventor
李丽丹
Original Assignee
武汉华星光电半导体显示技术有限公司
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 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/622,830 priority Critical patent/US20240040713A1/en
Publication of WO2023108759A1 publication Critical patent/WO2023108759A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position

Definitions

  • the present application relates to the display field, in particular to a display panel and a display terminal.
  • Flexible display devices such as flexible organic light-emitting display devices (OLED) have been widely used in daily life.
  • the back side of the organic light-emitting display panel body is provided with a rigid support layer.
  • the material of the rigid support layer can be stainless steel (SUS) and other materials.
  • SUS stainless steel
  • the support layer can not only support the display panel body, but also improve the bending recovery of the display panel body, avoid creases caused by repeated bending of flexible materials, and improve consumer experience.
  • Embodiments of the present application provide a display panel and a display terminal, which can solve the problems of inconsistency in bending performance, supporting performance, and matching performance with other flexible film layers of the existing rigid support layer.
  • An embodiment of the present application provides a display panel, including:
  • the display panel body includes at least one bent portion and a non-bent portion
  • a rigid support layer disposed on the back side of the display panel body, the rigid support layer includes a pattern portion corresponding to the bent portion, and a flat portion corresponding to the non-bent portion;
  • the pattern part includes at least one groove and a plurality of discrete support islands, the support islands are located in the grooves, the surface of the support islands and the flat part are far away from the surface of the display panel body. together.
  • the rigid support layer further includes a filling part
  • the filling part is filled in the groove, and the surface of the filling part away from the rigid support layer is flush with the surface of the flat part, and the elastic modulus of the material of the filling part is smaller than that of the rigid support layer modulus of elasticity.
  • the depth of the groove is 1/3 to 2/3 of the thickness of the rigid support layer.
  • the pattern portion includes a plurality of grooves, and a plurality of support islands are evenly arranged.
  • each of the grooves runs through the rigid support layer along a direction parallel to the bending axis.
  • the cross-sectional shape of the groove includes one or a combination of square, rectangle, triangle, trapezoid, semicircle, and semiellipse.
  • the display panel body includes a first bending part and a second bending part, and the bending axis of the first bending part is connected to the second bending part.
  • the bending axis of the folding part intersects, the pattern part includes a first sub-pattern part and a second sub-pattern part, the first sub-pattern part corresponds to the first bending part, and the second sub-pattern part corresponds to the first sub-pattern part
  • the second bending part corresponds to.
  • the bending axis of the first bending portion and the bending axis of the second bending portion are perpendicular to each other.
  • the first sub-pattern part includes a first groove and a first support island
  • the second sub-pattern part includes a second groove and a second support island
  • the first groove and the second groove are connected to each other at the intersection of the first sub-pattern part and the second sub-pattern part.
  • the first sub-pattern part is axisymmetric with respect to the bending axis of the first bending part
  • the second sub-pattern part is axisymmetric with respect to the bending axis of the second bending part.
  • the shape of the first support island is the same as that of the second support island.
  • both the first support island and the second support island have an axisymmetric shape with respect to the bending axis of the first bending portion
  • Both the first support island and the second support island have an axisymmetric shape with respect to the bending axis of the second bending portion.
  • the first sub-pattern part has a centrosymmetric structure
  • the second sub-pattern part has a centrosymmetric structure
  • the groove is located on a side of the rigid support layer away from the display panel body.
  • the material of the filling part is hot melt adhesive.
  • an embodiment of the present application also provides a display terminal, which includes a terminal body and a display panel, the terminal body and the display panel are integrated, and the display panel includes:
  • the display panel body includes at least one bent portion and a non-bent portion
  • a rigid support layer disposed on the back side of the display panel body, the rigid support layer includes a pattern portion corresponding to the bent portion, and a flat portion corresponding to the non-bent portion;
  • the pattern part includes at least one groove and a plurality of discrete support islands, the support islands are located in the grooves, the surface of the support islands and the flat part are far away from the surface of the display panel body. together.
  • the rigid support layer further includes a filling part
  • the filling part is filled in the groove, and the surface of the filling part away from the rigid support layer is flush with the surface of the flat part, and the elastic modulus of the material of the filling part is smaller than that of the rigid support layer modulus of elasticity.
  • the display panel body includes a first bending part and a second bending part, and the bending axis of the first bending part is connected to the second bending part.
  • the bending axis of the folding part intersects, the pattern part includes a first sub-pattern part and a second sub-pattern part, the first sub-pattern part corresponds to the first bending part, and the second sub-pattern part corresponds to the first sub-pattern part
  • the second bending part corresponds to.
  • the first sub-pattern part is axisymmetric with respect to the bending axis of the first bending part
  • the second sub-pattern part is axisymmetric with respect to the bending axis of the second bending part.
  • the first sub-pattern part has a centrosymmetric structure
  • the second sub-pattern part has a centrosymmetric structure
  • a display panel and a display terminal are provided.
  • the rigid support layer is arranged on the back side of the display panel body.
  • the rigid support layer includes a pattern portion corresponding to the bending portion, and a flat portion corresponding to the non-bending portion. part; wherein, the pattern part includes at least one groove and a plurality of discrete support islands, the support islands are located in the grooves, and the surface of the support island is flush with the surface of the flat part.
  • Fig. 1 is a first cross-sectional schematic diagram of a display panel provided by an embodiment of the present application before being bent;
  • Fig. 2 is a second schematic cross-sectional view of a display panel before being bent according to an embodiment of the present application
  • Fig. 3 is a first schematic top view of a rigid support layer provided by an embodiment of the present application.
  • Fig. 4 is a schematic cross-sectional view of a bent display panel provided by an embodiment of the present application.
  • Fig. 5 is a second schematic top view of a rigid support layer provided by an embodiment of the present application.
  • Fig. 6 is a third schematic top view of a rigid support layer provided by an embodiment of the present application.
  • Fig. 7 is a first cross-sectional schematic view of a rigid support layer provided by an embodiment of the present application.
  • Fig. 8 is a second schematic cross-sectional view of a rigid support layer provided by an embodiment of the present application.
  • Fig. 9 is a third schematic cross-sectional view of a rigid support layer provided by an embodiment of the present application.
  • FIG. 10 is a schematic top view of a display panel body provided by an embodiment of the present application.
  • Fig. 11 is a schematic diagram of a fourth top view of a rigid support layer provided by an embodiment of the present application.
  • Fig. 12 is an enlarged schematic view of a support island provided by an embodiment of the present application.
  • Fig. 13 is a schematic diagram of a display terminal provided by an embodiment of the present application.
  • An embodiment of the present application provides a display panel, including: a display panel body, including at least one bent portion and a non-bent portion; a rigid support layer, disposed on the back side of the display panel body, and the rigid support layer includes a The pattern part, and the flat part corresponding to the non-bending part; wherein, the pattern part includes at least one groove and a plurality of discrete support islands, the support island is located in the groove, and the surface of the support island is flush with the surface of the flat part .
  • Embodiments of the present application provide a display panel and a display terminal, which will be described in detail below. It should be noted that the description sequence of the following embodiments is not intended to limit the preferred sequence of the embodiments.
  • FIG. 1 is a schematic cross-sectional view of a display panel 100 provided by the embodiment of the present application before bending
  • Fig. 2 is a display panel 100 provided by the embodiment of the present application.
  • FIG. 3 is a first schematic top view of a rigid support layer 20 provided by the embodiment of the present application
  • FIG. 4 is a bending display panel 100 provided by the embodiment of the present application Schematic diagram of the rear cross-section.
  • the embodiment of the present application provides a display panel 100.
  • the display panel 100 includes a display panel body 10 and a rigid support layer 20.
  • the display panel body 10 includes at least one bent portion FF2 and a non-bent portion FF1; the rigid support layer 20 is disposed on On the back side of the display panel body 10, the rigid support layer 20 includes a pattern portion 202 corresponding to the bent portion FF2, and a flat portion 201 corresponding to the non-bent portion FF1; wherein, the pattern portion 202 includes at least one groove 21 and a plurality of a discrete support island 22, the support island 22 is located in the groove 21, and the surface of the support island 22 is flush with the surface of the flat portion 201 away from the display panel body 10.
  • the display panel body 10 may include an array substrate, a light emitting device layer disposed on the array substrate, and an encapsulation layer disposed on the light emitting device layer, and the structure of the display panel body 10 is not limited thereto.
  • the display panel body 10 can display images, and the display panel body 10 can be an organic light emitting display panel body, but is not limited thereto.
  • the display panel body 10 can also be a liquid crystal display panel body.
  • the display side of the display panel body 10 is the side where images are displayed or observed by human eyes, and the side away from or opposite to the display side of the display panel body 10 is its back side or non-display side.
  • the backside of the display panel body 10 is provided with a rigid support layer 20, and the material of the rigid support layer 20 may be stainless steel (SUS), but is not limited thereto.
  • SUS stainless steel
  • the display panel 100 may further include a flexible support layer 30, and the flexible support layer 30 may include one or more layers of a backplane layer, a buffer layer, and the like.
  • the material of the backplane layer may be polyimide, etc.
  • the material of the buffer layer may be foam (Foam) or the like.
  • the display panel body 10 includes at least one bent portion FF2 and a non-bent portion FF1, the display panel body 10 may include two non-bent portions FF1, and the bent portion FF2 is disposed between the two non-bent portions FF1. , so that the display panel 100 can be folded or bent according to the bending axis of the bending portion FF2.
  • the rigid support layer 20 includes a pattern portion 202 corresponding to the bent portion FF2, and a flat portion 201 corresponding to the non-bent portion FF1, the pattern portion 202 includes at least one groove 21 and a plurality of discrete support islands 22, The support island 22 is located in the groove 21 , and the surface of the support island 22 is flush with the surface of the flat portion 201 away from the display panel body 10 . That is, the pattern portion 202 includes the thinned area of the rigid support layer 20 , the groove 21 is the thinned area of the rigid support layer 20 , and the support island 22 is the non-thinned area of the pattern portion 202 .
  • the pattern portion 202 includes at least one groove 21 and a plurality of discrete support islands 22 , which means that the plurality of support islands 22 are spaced or separated from each other to provide support for the display panel body 10 .
  • the groove 21 can provide good bending performance for the rigid support 20 .
  • the groove 21 is matched with a plurality of discrete support islands 22. During the bending process, it can reduce the deformation mismatch between the rigid support layer 20 and other flexible film layers, reduce the occurrence of peeling, and make the rigid support Layer 20 is not prone to fracture problems.
  • the depth of the groove 21 is 1/3 to 2/3 of the thickness of the rigid support layer 20 .
  • the depth d of the groove 21, that is, the thickness of the rigid support layer 20 in the groove area, is selected.
  • the depth d of the groove 21 can ensure the rigid support layer at the groove 21 at the same time. 20 has good bending performance, support performance, and strength to connect each support island 22.
  • the depth d of the groove 21 is 1/3 to 2/3 of the thickness h of the rigid support layer 20, which can meet the requirements of these properties. Requirements, so that the depth d of the groove 21 will not be too large or too small.
  • the rigid support layer 20 by setting discrete support islands 22 in the grooves 21, the rigid support layer can be provided with excellent bending performance, excellent support performance, and rigid support layer Good coordination with flexible film layer.
  • This embodiment is the same or similar to the above embodiments, and the difference further describes the structure inside the groove 21 .
  • the rigid support layer 20 further includes a filling part 23, the filling part 23 is filled in the groove 21, and the surface of the filling part 23 away from the rigid support layer 20 is flush with the surface of the flat part 201, and the material of the filling part 23
  • the modulus of elasticity is smaller than the modulus of elasticity of the rigid support layer 20.
  • the groove 21 of the rigid support layer 20 is provided with a filling part 23 , and the elastic modulus of the material of the filling part 23 is smaller than that of the rigid support layer 20 .
  • the filling part 23 since the elastic modulus of the material of the filling part 23 is smaller than that of the rigid support layer 20, the filling part 23 will also be deformed during the bending or folding process. As shown in FIG. 4, the filling part 23 is relatively
  • the support island 22 can undergo greater deformation to play the role of buffering the rigid support layer 20, or to increase the local toughness of the rigid support layer 20, reducing the gap between the rigid support layer 20 and other flexible film layers. The uncoordinated deformation reduces the occurrence of peeling, and makes the rigid support layer 20 less likely to break.
  • the filling portion 23 is disposed in the groove 21, and when the surface of the support island 22 of the rigid support layer 20 is attached to other layer structures, the surface of the filling portion 23 away from the rigid support layer 20 is flush with the surface of the flat portion 201 , can provide the pattern part 202 with a flat or substantially flat surface, and improve the lamination and lamination performance of the rigid support layer 20 and other layer structures.
  • the filling part 23 is made of hot melt adhesive.
  • the hot-melt adhesive has fluidity at high temperature and solidifies at normal temperature, and the hot-melt adhesive is easy to arrange the surface of the filling portion 23 away from the rigid support layer 20 to be flush with the surface of the flat portion 201 .
  • the filling portion 23 may also be other organic substances.
  • the elastic modulus of the hot melt adhesive is smaller than that of the rigid support layer 20 , which can provide the rigid support layer 20 with the effect of buffering deformation and improving toughness.
  • This embodiment is the same or similar to the above embodiments, except that another structural shape of the pattern part is described.
  • Fig. 5 is a second top view of a rigid support layer 20 provided by an embodiment of the present application
  • Fig. 6 is a third top view of a rigid support layer 20 provided by an embodiment of this application schematic diagram.
  • the pattern portion FF2 includes a plurality of grooves 21 , and a plurality of support islands 22 are uniformly arranged.
  • the pattern portion FF2 includes a plurality of grooves 21 , and a plurality of support islands 22 are evenly arranged, so that the support islands 22 provide uniform support for the display panel body 10 .
  • the pattern part FF2 includes a plurality of grooves 21, and the plurality of grooves 21 are connected to each other.
  • each groove 21 runs through the rigid support layer along a direction parallel to the bending axis C1.
  • the groove 21 runs through the rigid support layer 20 along a direction parallel to the bending axis C1 .
  • the connecting grooves 2011 have the same or similar structure and depth as the grooves 21. It can also be understood that the connecting grooves 2011 belong to Groove 21.
  • a plurality of grooves 21 are connected to each other through connecting grooves 2011.
  • the rigid support layer 20 includes filling parts 23, the filling parts 23 are connected to each other in two or more directions, and may be in two or more directions.
  • the direction provides the rigid support layer 20 with the effect of buffering deformation and improving toughness.
  • Fig. 3 and Fig. 6 can be regarded as a plurality of interconnected grooves 21, and Fig. 3 and Fig. 6 can also be regarded as a whole of irregularly shaped grooves 21.
  • FIG. 7 is a first cross-sectional schematic view of a rigid support layer 20 provided by an embodiment of the present application
  • Fig. 8 is a first schematic cross-sectional view of a rigid support layer 20 provided by an embodiment of this application Two schematic cross-sectional views
  • FIG. 9 is a third schematic cross-sectional view of a rigid support layer 20 provided in an embodiment of the present application.
  • Fig. 7, Fig. 8 and Fig. 9 are cross-sectional views at the dotted line A-B in Fig. 3, Fig. 5 and Fig. 6 .
  • the cross-sectional shape of the groove 21 includes at least one or a combination of square, rectangle, triangle, trapezoid, semicircle, and semiellipse.
  • the cross-sectional shape of the groove 21 is illustrated as a square or rectangle; as shown in Figure 8, the cross-sectional shape of the groove 21 is illustrated as a trapezoid; as shown in Figure 9, the groove 21 is illustrated
  • the cross-sectional shape is triangular.
  • the cross-sectional shape of the groove 21 can be set to include at least one of a square, a rectangle, a triangle, a trapezoid, a semicircle, and a semiellipse. , or it may be set that the cross-sectional shape of the groove 21 includes a combination of square, rectangle, triangle, trapezoid, semicircle, and semiellipse.
  • These shapes are not only easy to manufacture and form, but also provide the rigid support layer with excellent bending performance, excellent support performance, and good coordination between the rigid support layer and the flexible film layer.
  • the cross-sectional shape of the support island 22 can be rectangular, trapezoidal, triangular, etc., for example, in FIG.
  • the support island 22 can provide uniform support to the display panel body 10 .
  • a variety of top views and cross-sectional structures of the pattern part 202 of the rigid support layer 20 are provided, and a variety of designs of the rigid support layer 20 are provided.
  • the product is set, one or more of them can be selected, and can be At the same time, it provides the rigid support layer with excellent bending performance, excellent support performance, and good coordination between the rigid support layer and other flexible film layers.
  • This embodiment is the same or similar to the above embodiments, except that the display panel body 10 includes more than one bending portion FF2 , and the rigid support layer 20 includes more than one pattern portion 202 .
  • Figure 10 is a schematic top view of a display panel body provided by an embodiment of the present application
  • Figure 11 is a schematic top view of a fourth rigid support layer 20 provided by an embodiment of this application
  • FIG. 12 is an enlarged schematic view of a support island 21 provided by an embodiment of the present application.
  • the display panel body 10 includes a first bending portion FF21 and a second bending portion FF22, the bending axis C2 of the first bending portion FF21 crosses the bending axis C3 of the second bending portion FF22,
  • the pattern part 202 includes a first sub-pattern part 2021 and a second sub-pattern part 2022, the first sub-pattern part 2021 corresponds to the first bent part FF21, and the second sub-pattern part 2022 corresponds to the second bent part FF22.
  • the display panel body 10 includes more than one bending portion FF2, or the display panel body 10 includes a first bending portion FF21 and a second bending portion FF22.
  • the first bending portion FF21 is disposed between the two non-bending portions FF1
  • the first bending portion FF22 is disposed between the two non-bending portions FF1.
  • first bending axis C2 of the first bending portion FF21 intersects with the second bending axis C3 of the second bending portion FF22, and the display panel 100 can be formed between the two intersecting first bending portions FF21 and the second bending axis C3.
  • the bending portion FF22 is bent or folded.
  • the pattern part 202 includes a first sub-pattern part 2021 and a second sub-pattern part 2022, the first sub-pattern part 2021 is arranged between the two flat parts 201, and the second sub-pattern part 2022 is arranged between the two flat parts 201 between.
  • the first sub-pattern part 2021 corresponds to the first bending part FF21
  • the second sub-pattern part 2022 corresponds to the second bending part FF22
  • both the first sub-pattern part 2021 and the second sub-pattern part 2022 include the above-mentioned implementation
  • the groove 21 and the support island 22 in any one of the examples, or the first sub-pattern part 2021 and the second sub-pattern part 2022 all include the groove 21, the support island 22 and the filling part in any one of the above-mentioned embodiments. twenty three.
  • the rigid support layer 20 provides excellent bending performance, excellent support performance, and good coordination between the rigid support layer and other flexible film layers for the bending parts in two crossing directions.
  • the cross-sectional shape of the groove 21 includes at least one of square, rectangle, triangle, trapezoid, semicircle, semiellipse or Various combinations.
  • the display panel body 10 includes more than one bending portion FF2
  • the rigid support layer 20 includes more than one pattern portion 202.
  • the cross-sectional shape of the groove 21 includes square, rectangle, trapezoid, semicircle, and semicircle.
  • At least one or more combinations of ellipse, and the cross-sectional shape of the groove 21 is not suitable for selecting a triangle, because in the cross-section parallel to the first bending axis C2 of the first bending portion FF21, and in parallel to In the cross-section of the second bending axis C3 of the second bending portion FF22, when the cross-sectional shape of the groove 21 is triangular, the cross-sections in the two directions cannot transition smoothly, and the stress concentration cannot be reduced.
  • the bending axis C2 of the first bending portion FF21 and the bending axis C3 of the second bending portion FF22 are perpendicular to each other.
  • first bending axis C2 of the first bending portion FF21 and the second bending axis C3 of the second bending portion FF22 are perpendicular to each other, then the first sub-pattern portion 2021 and the second sub-pattern portion 2022 are also mutually perpendicular. Vertical or nearly vertical state. A preferred bending method is provided.
  • the first sub-pattern part 2021 includes a first groove 211 and a first support island 221
  • the second sub-pattern part 2022 includes a second groove 212 and a second support island 222
  • the first concave The groove 211 and the second groove 212 are connected to each other at the intersection of the first sub-pattern part 2021 and the second sub-pattern part 2022 .
  • the first groove 211 and the second groove 212 are connected to each other at the intersection of the first sub-pattern part 2021 and the second sub-pattern part 2022, that is, the first sub-pattern part 2021 and the second sub-pattern part 2021 are connected to each other.
  • the intersecting parts of the sub-pattern part 2022 are provided with thinning parts connected to each other.
  • the intersecting parts of the sub-pattern parts 2022 provide the rigid support layer 20 with excellent bending performance, excellent support performance, and good coordination between the rigid support layer and the flexible film layer.
  • the first sub-pattern part 2021 is axisymmetric about the bending axis C2 of the first bending part FF21; the second sub-pattern part 2022 is axisymmetric about the bending axis C3 of the second bending part FF2.
  • the first sub-pattern portion 2021 is axisymmetric with respect to the bending axis C2 of the first bending portion FF21, showing
  • the panel 100 can be bent symmetrically or uniformly, so that the bending deformation and stress concentration distribution of the rigid support layer 20 can be symmetrical or uniform, which can provide the rigid support layer with excellent bending performance, excellent support performance, and rigid support layer and flexibility. Good matching and coordination of film layers.
  • the second sub-pattern portion 2022 is axisymmetric with respect to the bending axis C3 of the second bending portion FF2, showing
  • the panel 100 can be bent symmetrically or uniformly, so that the bending deformation and stress concentration distribution of the rigid support layer 20 can be symmetrical or uniform, which can provide the rigid support layer with excellent bending performance, excellent support performance, and rigid support layer and flexibility. Good matching and coordination of film layers.
  • the first support island 221 has the same shape as the second support island 222 .
  • the shape of the first supporting island 221 is the same as that of the second supporting island 222, so that the display panel 100 can have the minimum stress concentration when bending along the first bending portion FF21 and the second bending portion FF22, Improve bending performance.
  • both the first support island 221 and the second support island 222 have an axisymmetric shape with respect to the first bending axis C2 of the first bending portion FF21; the first support island 221 and the second support island 222 are both about The second bending axis C3 of the second bending portion FF22 has an axisymmetric shape.
  • both the first support island 221 and the second support island 222 have an axisymmetric shape with respect to the first bending axis C2 of the first bending portion FF21; the first support island 221 and the second support island 222 are axisymmetric with respect to the second bending axis C3 of the second bending portion FF22, so that when the display panel 100 is bent at the first bending portion FF21 or at the second bending portion FF22, the first support island 221
  • the stress received by the second support island 222 in the two bending directions is similar, or the stress received in the two bending directions is the minimum/smaller stress, which improves the bending performance of the rigid support layer 20, and at the same time makes the first substructure
  • the pattern part 2021 and the second sub-pattern part 2022 have a uniform support effect on the display panel body 10 to achieve the best support, so that the surface of the display panel body 10 is evenly elastic, so that the display panel 100 can provide images of excellent quality.
  • the surface shapes of the first support island 221 and the second support island 222 may include one of square, circle, rhombus, regular polygon and the like.
  • the first sub-pattern part 2021 has a center-symmetric structure
  • the second sub-pattern part 2022 has a center-symmetric structure
  • the first sub-pattern part 2021 has a center-symmetric structure, which can make the stress on the first sub-pattern part 2021 the smallest and the stress distribution is uniform when the display panel 100 is bent at the first bending part FF21, and the rigid support layer 20 can be lifted.
  • the second sub-pattern part 2022 has a center-symmetric structure, which can make the display panel 100 bend at the second bending part FF221, the stress on the second sub-pattern part 2022 is the smallest and the stress distribution is uniform, and the rigid support is improved.
  • the bending performance of the layer 20; at the same time, the support effect of the first sub-pattern part 2021 and the second sub-pattern part 2022 on the display panel body 10 is uniform to achieve the best support, so that the surface of the display panel body 10 is evenly elastic, Accordingly, the display panel 100 can provide an image of excellent quality.
  • This embodiment is the same as or similar to the above embodiments, except that the orientation of the pattern portion 202 in the display panel 100 is limited.
  • the groove 21 is located on a side of the rigid support layer 20 away from the display panel body 10 .
  • the rigid support layer 20 is far away from the display panel body 10, and the deformation or impact on the rigid support layer 20 Stress concentration is relatively large, and the side or surface of the rigid support layer 20 away from the display panel body 10 is farthest from the display panel body 10, the deformation or stress concentration on the side or surface of the rigid support layer 20 away from the display panel body 10 maximum.
  • the groove 21 is located on the side of the support layer 20 away from the display panel body 10, that is, the groove 21 and the support island 22 are located on the surface of the rigid support layer 20 on the side away from the display panel body 10, which can reduce the stress concentration on the rigid support 20. and deformation size, can provide the rigid support layer with excellent bending performance, excellent support performance, and good coordination between the rigid support layer and the flexible film layer.
  • FIG. 13 is a schematic diagram of a display terminal 200 provided in an embodiment of the present application.
  • a display terminal 200 is also provided.
  • the display terminal 200 includes a terminal body 201 and the display panel 100 in any one of the above embodiments.
  • the terminal body 201 and the display panel 100 are combined into one.
  • the display terminal 200 may be a mobile phone, a notebook computer, a television, and the like.

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Abstract

一种显示面板（100）及显示终端（200），显示面板（100）的刚性支撑层（20）包括对应于弯折部（FF2）的图案部（202），以及对应于非弯折部（FF1）的平坦部（201）；其中，图案部（202）包括至少一个凹槽（21）和多个离散的支撑岛（22），支撑岛（22）位于凹槽（21）内，支撑岛（22）的表面和平坦部（201）的表面平齐。通过设置离散的支撑岛（22）于凹槽（21）之中，可以同时提供刚性支撑层（20）以优异的弯折性能、优异的支撑性能。

Description

一种显示面板及显示终端 技术领域
本申请涉及显示领域，具体涉及一种显示面板及显示终端。
 背景技术
柔性有机发光显示装置（OLED）等柔性显示装置已经广泛用于生活之中，通常有机发光显示面板本体的背侧设置有刚性支撑层，刚性支撑层的材料可以为不锈钢（SUS）等材料，刚性支撑层不但可以对显示面板本体形成支撑作用，同时刚性支撑层也提升了显示面板本体的弯折恢复性，避免出现柔性材料反复弯折造成的折痕，提升消费者体验感。
然而，太薄的支撑层往往支撑体验效果不佳，太厚的支撑层无法反复弯折，同时在显示面板在弯折时，刚性支撑层与其他柔性膜层之间由于形变不协调，易发生剥离，且刚性支撑层由于具有较大的刚性，易发生断裂问题，因此需要提供一种显示面板，解决刚性支撑层的弯折性能、支撑性能、与其他柔性膜层搭配性能不协调的问题。
 技术问题
本申请实施例提供了一种显示面板及显示终端，可以解决现有刚性支撑层的弯折性能、支撑性能、与其他柔性膜层搭配性能不协调的问题。
 技术解决方案
本申请实施例提供了一种显示面板，其中，包括：
显示面板本体，包括至少一弯折部和非弯折部；
刚性支撑层，设置于所述显示面板本体的背侧，所述刚性支撑层包括对应于所述弯折部的图案部，以及对应于所述非弯折部的平坦部；
其中，所述图案部包括至少一个凹槽和多个离散的支撑岛，所述支撑岛位于所述凹槽内，所述支撑岛的表面和所述平坦部远离所述显示面板本体的表面平齐。
可选的，在本申请的一些实施例中，其中，所述刚性支撑层还包括填充部，
所述填充部填充于所述凹槽，且所述填充部远离所述刚性支撑层的表面与所述平坦部的表面平齐，所述填充部的材料的弹性模量小于所述刚性支撑层的弹性模量。
可选的，在本申请的一些实施例中，其中，所述凹槽的深度为所述刚性支撑层的厚度的1/3至2/3。
可选的，在本申请的一些实施例中，其中，所述图案部包括多个所述凹槽，多个所述支撑岛均匀排布。
可选的，在本申请的一些实施例中，其中，每一所述凹槽沿平行于弯折轴的方向贯穿所述刚性支撑层。
可选的，在本申请的一些实施例中，其中，所述凹槽的截面形状包括正方形、矩形、三角形、梯形、半圆形、半椭圆形中的一种或多种的组合。
可选的，在本申请的一些实施例中，其中，所述显示面板本体包括第一弯折部和第二弯折部，所述第一弯折部的弯折轴与所述第二弯折部的弯折轴交叉，所述图案部包括第一子图案部和第二子图案部，所述第一子图案部与所述第一弯折部对应，所述第二子图案部与所述第二弯折部对应。
可选的，在本申请的一些实施例中，其中，所述第一弯折部的弯折轴与所述第二弯折部的弯折轴相互垂直。
可选的，在本申请的一些实施例中，其中，所述第一子图案部包括第一凹槽和第一支撑岛，所述第二子图案部包括第二凹槽和第二支撑岛；
所述第一凹槽和所述第二凹槽在所述第一子图案部和所述第二子图案部的相交部位相互连接。
可选的，在本申请的一些实施例中，其中，所述第一子图案部关于所述第一弯折部的弯折轴呈轴对称；
所述第二子图案部关于所述第二弯折部的弯折轴呈轴对称。
可选的，在本申请的一些实施例中，其中，所述第一支撑岛的形状与所述第二支撑岛的形状相同。
可选的，在本申请的一些实施例中，其中，所述第一支撑岛和所述第二支撑岛均关于所述第一弯折部的弯折轴呈轴对称形状；
所述第一支撑岛和所述第二支撑岛均关于所述第二弯折部的弯折轴呈轴对称形状。
可选的，在本申请的一些实施例中，其中，所述第一子图案部呈中心对称结构，所述第二子图案部呈中心对称结构。
可选的，在本申请的一些实施例中，其中，所述凹槽位于所述刚性支撑层远离所述显示面板本体的一侧。
可选的，在本申请的一些实施例中，其中，所述填充部的材料为热熔胶。
相应的，本申请实施例还提供了一种显示终端，其中，包括终端主体和显示面板，所述终端主体与所述显示面板组合为一体，所述显示面板包括：
显示面板本体，包括至少一弯折部和非弯折部；
刚性支撑层，设置于所述显示面板本体的背侧，所述刚性支撑层包括对应于所述弯折部的图案部，以及对应于所述非弯折部的平坦部；
其中，所述图案部包括至少一个凹槽和多个离散的支撑岛，所述支撑岛位于所述凹槽内，所述支撑岛的表面和所述平坦部远离所述显示面板本体的表面平齐。
可选的，在本申请的一些实施例中，其中，所述刚性支撑层还包括填充部，
所述填充部填充于所述凹槽，且所述填充部远离所述刚性支撑层的表面与所述平坦部的表面平齐，所述填充部的材料的弹性模量小于所述刚性支撑层的弹性模量。
可选的，在本申请的一些实施例中，其中，所述显示面板本体包括第一弯折部和第二弯折部，所述第一弯折部的弯折轴与所述第二弯折部的弯折轴交叉，所述图案部包括第一子图案部和第二子图案部，所述第一子图案部与所述第一弯折部对应，所述第二子图案部与所述第二弯折部对应。
可选的，在本申请的一些实施例中，其中，所述第一子图案部关于所述第一弯折部的弯折轴呈轴对称；
所述第二子图案部关于所述第二弯折部的弯折轴呈轴对称。
可选的，在本申请的一些实施例中，其中，所述第一子图案部呈中心对称结构，所述第二子图案部呈中心对称结构。
 有益效果
本申请实施例中，提供了一种显示面板及显示终端，刚性支撑层设置于显示面板本体的背侧，刚性支撑层包括对应于弯折部的图案部，以及对应于非弯折部的平坦部；其中，图案部包括至少一个凹槽和多个离散的支撑岛，支撑岛位于凹槽内，支撑岛的表面和平坦部的表面平齐。通过设置离散的支撑岛于凹槽之中，可以同时提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与其他柔性膜层的良好搭配协调性。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请一实施例提供的一种显示面板弯折前的第一种截面示意图；
图2是本申请一实施例提供的一种显示面板弯折前的第二种截面示意图；
图3是本申请一实施例提供的一种刚性支撑层的第一种俯视示意图；
图4是本申请一实施例提供的一种显示面板弯折后的截面示意图；
图5是本申请一实施例提供的一种刚性支撑层的第二种俯视示意图；
图6是本申请一实施例提供的一种刚性支撑层的第三种俯视示意图；
图7是本申请一实施例提供的一种刚性支撑层的第一种截面示意图；
图8是本申请一实施例提供的一种刚性支撑层的第二种截面示意图；
图9是本申请一实施例提供的一种刚性支撑层的第三种截面示意图；
图10是本申请一实施例提供的一种显示面板本体的俯视示意图；
图11是本申请一实施例提供的一种刚性支撑层的第四种俯视示意图；
图12是本申请一实施例提供的一种支撑岛的放大示意图；
图13是本申请一实施例提供的一种显示终端的示意图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。此外，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本申请，并不用于限制本申请。在本申请中，在未作相反说明的情况下，使用的方位词如“上”和“下”通常是指装置实际使用或工作状态下的上和下，具体为附图中的图面方向；而“内”和“外”则是针对装置的轮廓而言的。
本申请实施例提供一种显示面板，包括：显示面板本体，包括至少一弯折部和非弯折部；刚性支撑层，设置于显示面板本体的背侧，刚性支撑层包括对应于弯折部的图案部，以及对应于非弯折部的平坦部；其中，图案部包括至少一个凹槽和多个离散的支撑岛，支撑岛位于凹槽内，支撑岛的表面和平坦部的表面平齐。
本申请实施例提供了一种显示面板及显示终端，以下分别进行详细说明。需说明的是，以下实施例的描述顺序不作为对实施例优选顺序的限定。
实施例一、
请参阅图1、图2、图3、图4，图1为本申请实施例提供的一种显示面板100弯折前的第一种截面示意图；图2为本申请实施例提供的一种显示面板100弯折前的第二种截面示意图；图3为本申请实施例提供的一种刚性支撑层20的第一种俯视示意图；图4为本申请实施例提供的一种显示面板100弯折后的截面示意图。
本申请实施例提供了一种显示面板100，显示面板100包括显示面板本体10和刚性支撑层20，显示面板本体10包括至少一弯折部FF2和非弯折部FF1；刚性支撑层20设置于显示面板本体10的背侧，刚性支撑层20包括对应于弯折部FF2的图案部202，以及对应于非弯折部FF1的平坦部201；其中，图案部202包括至少一个凹槽21和多个离散的支撑岛22，支撑岛22位于凹槽21内，支撑岛22的表面和平坦部201远离显示面板本体10的表面平齐。
具体的，显示面板本体10可以包括阵列基板、设置于阵列基板上的发光器件层，以及设置于发光器件层上的封装层，显示面板本体10的结构不限于此。
具体的，显示面板本体10可以显示图像，显示面板本体10可以为有机发光显示面板本体，但不限于此，例如显示面板本体10还可以为液晶显示面板本体。
具体的，显示面板本体10的显示侧为显示图像或人眼观测的一侧，与显示面板本体10的显示侧背离或相反的一侧为其背侧或非显示侧。
具体的，显示面板本体10的背侧设置有刚性支撑层20，刚性支撑层20的材料可以为不锈钢（SUS），但不限于此。
具体的，显示面板100还可以包括柔性支撑层30，柔性支撑层30的可以包括背板层、缓冲层等之中的一层或多层。背板层的材料可以为聚酰亚胺等，缓冲层的材料可以为泡棉（Foam）等。
具体的，显示面板本体10包括至少一弯折部FF2和非弯折部FF1，显示面板本体10可以包括两个非弯折部FF1，弯折部FF2设置于两个非弯折部FF1之间，使得显示面板100可以按照弯折部FF2的弯折轴进行折叠或弯折。
具体的，刚性支撑层20包括对应于弯折部FF2的图案部202，以及对应于非弯折部FF1的平坦部201，图案部202包括至少一个凹槽21和多个离散的支撑岛22，支撑岛22位于凹槽21内，支撑岛22的表面和平坦部201远离显示面板本体10的表面平齐。即图案部202包括刚性支撑层20的减薄区域，凹槽21为刚性支撑层20的减薄区域，支撑岛22为图案部202的未减薄的区域。
具体的，图案部202包括至少一个凹槽21和多个离散的支撑岛22，是指多个支撑岛22相互间隔或者分离，用以为显示面板本体10提供支撑作用。
具体的，凹槽21可以为刚性支撑20提供良好的弯折性能。
具体的，凹槽21与多个离散的支撑岛22搭配，在弯折过程中，可以减小刚性支撑层20与其他柔性膜层之间的形变不协调，减小剥离发生，且使得刚性支撑层20不容易发生断裂问题。
在一些实施例中，凹槽21的深度为刚性支撑层20的厚度的1/3至2/3。
具体的，如图1所示，凹槽21的深度d，即刚性支撑层20在凹槽区域减薄的厚度，选取适当的凹槽21的深度，可以同时保证凹槽21部位的刚性支撑层20具有良好的弯折性能、支撑性能、连接各个支撑岛22的强度，优选的，凹槽21的深度d为刚性支撑层20的厚度h的1/3至2/3，可以满足这些性能的需求，使得凹槽21的深度d不会太大或太小。
在本申请实施例中，在刚性支撑层20中，通过设置离散的支撑岛22于凹槽21之中，可以同时提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与柔性膜层的良好搭配协调性。
实施例二、
本实施例与上述实施例相同或相似，不同之处进一步描述凹槽21内的结构。
在一些实施例中，刚性支撑层20还包括填充部23，填充部23填充于凹槽21，且填充部23远离刚性支撑层20的表面与平坦部201的表面平齐，填充部23的材料的弹性模量小于刚性支撑层20的弹性模量。
具体的，如图2所示，相比于上述实施例中，刚性支撑层20的凹槽21中设置有填充部23，填充部23的材料的弹性模量小于刚性支撑层20的弹性模量。
具体的，由于填充部23的材料的弹性模量小于刚性支撑层20的弹性模量，在弯折或折叠过程中，填充部23也会发生形变，如图4所示，填充部23相对于支撑岛22可以发生更大的形变，以起到缓冲刚性支撑层20的作用，或者起到增大刚性支撑层20的局部韧性的作用，减小了刚性支撑层20与其他柔性膜层之间的形变不协调，减小剥离发生，且使得刚性支撑层20不容易发生断裂问题。
具体的，填充部23设置于凹槽21中，当刚性支撑层20的支撑岛22的表面与其他层结构贴合时，填充部23远离刚性支撑层20的表面与平坦部201的表面平齐，可以提供图案部202平坦或基本平坦的表面，提高刚性支撑层20与其他层结构的层叠和贴合性能。
在一些实施例中，填充部23的材料为热熔胶。
具体的，热熔胶在高温时具有流动性，常温时凝固为固体，热熔胶容易设置填充部23远离刚性支撑层20的表面与平坦部201的表面平齐。
具体的，填充部23还可以为其他有机物。
具体的，热熔胶的弹性模量小于刚性支撑层20的弹性模量，可以为刚性支撑层20提供缓冲变形作用和提高韧性的作用。
实施例三、
本实施例与上述实施例相同或相似，不同之处在于描述了另外一种图案部的结构形状。
请参阅图5、图6，图5为本申请实施例提供的一种刚性支撑层20的第二种俯视示意图；图6为本申请实施例提供的一种刚性支撑层20的第三种俯视示意图。
在一些实施例中，图案部FF2包括多个所述凹槽21，多个支撑岛22均匀排布。
具体的，请结合图3、图5、图6，图案部FF2包括多个凹槽21，多个支撑岛22均匀排布，使得支撑岛22提供给显示面板本体10以均匀的支撑性。
具体的，在一些实施例中，图案部FF2包括多个凹槽21，多个凹槽21相互连接。
在一些实施例中，每一凹槽21沿平行于弯折轴C1的方向贯穿刚性支撑层。
具体的，如图5、图3所示，凹槽21沿平行于弯折轴C1的方向贯穿刚性支撑层20。
具体的，如图6、图3所示，多个凹槽21通过连接槽2011相互连接，连接槽2011具有与凹槽21相同的或相近的结构和深度，也可以理解成连接槽2011从属于凹槽21。
具体的，多个凹槽21通过连接槽2011相互连接，刚性支撑层20包括填充部23时，使得填充部23在两个或两个以上的方向相互连接，可以在两个或两个以上的方向上为刚性支撑层20提供缓冲变形作用和提高韧性的作用。
具体的，容易理解的，可以将图3、图6中看作为多个相互连接的凹槽21，也可以将图3、图6中整体看作为一形状不规则的凹槽21。
请参阅图7、图8、图9，图7为本申请实施例提供的一种刚性支撑层20的第一种截面示意图；图8为本申请实施例提供的一种刚性支撑层20的第二种截面示意图；图9为本申请实施例提供的一种刚性支撑层20的第三种截面示意图。图7、图8、图9为图3、图5、图6中A-B虚线处的截面图。
在一些实施例中，进一步的，凹槽21的截面形状包括正方形、矩形、三角形、梯形、半圆形、半椭圆形中的至少一种或多种的组合。
如图7所示，举例示意了凹槽21的截面形状为正方形或矩形；如图8所示，举例示意了凹槽21的截面形状为梯形；如图9所示，举例示意了凹槽21的截面形状为三角形。
具体的，在设置凹槽21的形状，或者在设置填充层23的形状时，可以设置凹槽21的截面形状包括正方形、矩形、三角形、梯形、半圆形、半椭圆形中的至少一种，或者可以设置凹槽21的截面形状包括正方形、矩形、三角形、梯形、半圆形、半椭圆形中的多种的组合。这些形状不但容易制作形成，还可以同时提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与柔性膜层的良好搭配协调性。
具体的，请结合图7、图8、图9，在截面图中，支撑岛22的截面形状可以为矩形、梯形、三角形等，例如，在图9中，当相邻的凹槽21接触设置时，使得支撑岛22的截面形状为三角形，支撑岛22可以提供给显示面板本体10以均匀的支撑性。在本实施例中，提供了刚性支撑层20的图案部202多种俯视和截面结构，提供了多样性的刚性支撑层20的设计，在产品设置时，可以选取其中一种或多种，可以同时提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与其他柔性膜层的良好搭配协调性。
实施例四、
本实施例与上述实施例相同或相似，不同之处在于显示面板本体10包括一个以上的弯折部FF2，刚性支撑层20包括一个以上的图案部202。
请参阅图10、图11、图12，图10为本申请实施例提供的一种显示面板本体的俯视示意图；图11为本申请实施例提供的一种刚性支撑层20的第四种俯视示意图；图12为本申请实施例提供的一种支撑岛21的放大示意图。
在一些实施例中，显示面板本体10包括第一弯折部FF21和第二弯折部FF22，第一弯折部FF21的弯折轴C2与第二弯折部FF22的弯折轴C3交叉，图案部202包括第一子图案部2021和第二子图案部2022，第一子图案部2021与第一弯折部FF21对应，第二子图案部2022与第二弯折部FF22对应。
具体的，在一些实施例中，显示面板本体10包括一个以上的弯折部FF2，或者显示面板本体10包括第一弯折部FF21和第二弯折部FF22。
具体的，第一弯折部FF21设置在两个非弯折部FF1之间，第一弯折部FF22设置在两个非弯折部FF1之间。
具体的，第一弯折部FF21的第一弯折轴C2与第二弯折部FF22的第二弯折轴C3交叉，显示面板100可以在两个交叉的第一弯折部FF21和第二弯折部FF22进行弯折或折叠。
具体的，图案部202包括第一子图案部2021和第二子图案部2022，第一子图案部2021设置在两个平坦部201之间，第二子图案部2022设置在两个平坦部201之间。
具体的，第一子图案部2021与第一弯折部FF21对应，第二子图案部2022与第二弯折部FF22对应，第一子图案部2021和第二子图案部2022均包括上述实施例中的任一项的凹槽21和支撑岛22，或者第一子图案部2021和第二子图案部2022均包括上述实施例中的任一项的凹槽21、支撑岛22和填充部23。在刚性支撑层20中，为两个交叉方向的弯折部同时提供刚性支撑层20以优异的弯折性能、优异的支撑性能，以及刚性支撑层与其他柔性膜层的良好搭配协调性。
需要说明的是，在上述实施例中显示面板本体10包括一个弯折部FF2时，凹槽21的截面形状包括正方形、矩形、三角形、梯形、半圆形、半椭圆形中的至少一种或多种的组合。在本实施例中，显示面板本体10包括一个以上的弯折部FF2，刚性支撑层20包括一个以上的图案部202，优选凹槽21的截面形状包括正方形、矩形、梯形、半圆形、半椭圆形中的至少一种或多种的组合，而凹槽21的截面形状不适合选取三角形，因为在平行于第一弯折部FF21的第一弯折轴C2的截面中，与在平行于第二弯折部FF22的第二弯折轴C3的截面中，凹槽21的截面形状为三角形时在这两个方向的截面不能平缓的过渡，不能减小应力集中。
在一些实施例中，进一步的，第一弯折部FF21的弯折轴C2与第二弯折部FF22的弯折轴C3相互垂直。
具体的，第一弯折部FF21的第一弯折轴C2与第二弯折部FF22的第二弯折轴C3相互垂直，那么第一子图案部2021和第二子图案部2022也为相互垂直或基本垂直状态。提供了一种优选的弯折方式。
在一些实施例中，进一步的，第一子图案部2021包括第一凹槽211和第一支撑岛221，第二子图案部2022包括第二凹槽212和第二支撑岛222，第一凹槽211和第二凹槽212在第一子图案部2021和第二子图案部2022的相交部位相互连接。
具体的，如图11所示，第一凹槽211和第二凹槽212在第一子图案部2021和第二子图案部2022的相交部位相互连接，即第一子图案部2021和第二子图案部2022的相交部位设置有相互连接的减薄部位，在显示面板100在第一弯折部FF21和第二弯折部FF22弯折或折叠时，在第一子图案部2021和第二子图案部2022的相交部位，提供刚性支撑层20以优异的弯折性能、优异的支撑性能，以及刚性支撑层与柔性膜层的良好搭配协调性。
在一些实施例中，第一子图案部2021关于第一弯折部FF21的弯折轴C2呈轴对称；第二子图案部2022关于第二弯折部FF2的弯折轴C3呈轴对称。
具体的，显示面板100沿着第一弯折部FF21或/和第一子图案部2021弯折时，第一子图案部2021关于第一弯折部FF21的弯折轴C2呈轴对称，显示面板100可以对称或均匀的弯折，使得刚性支撑层20的弯折变形和应力集中分布对称或均匀，可以提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与柔性膜层的良好搭配协调性。
具体的，显示面板100沿着第二弯折部FF22或/和第二子图案部2022弯折时，第二子图案部2022关于第二弯折部FF2的弯折轴C3呈轴对称，显示面板100可以对称或均匀的弯折，使得刚性支撑层20的弯折变形和应力集中分布对称或均匀，可以提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与柔性膜层的良好搭配协调性。
在一些实施例中，第一支撑岛221的形状与第二支撑岛222的形状相同。
具体的，第一支撑岛221的形状与第二支撑岛222的形状相同，使得显示面板100沿着第一弯折部FF21和第二弯折部FF22弯折时均能具有最小的应力集中，提升弯折性能。
在一些实施例中，第一支撑岛221和第二支撑岛222均关于第一弯折部FF21的第一弯折轴C2呈轴对称形状；第一支撑岛221和第二支撑岛222均关于第二弯折部FF22的第二弯折轴C3呈轴对称形状。
具体的，如图12所示，第一支撑岛221和第二支撑岛222均关于第一弯折部FF21的第一弯折轴C2呈轴对称形状；第一支撑岛221和第二支撑岛222均关于第二弯折部FF22的第二弯折轴C3呈轴对称形状，可以使得显示面板100在第一弯折部FF21或在第二弯折部FF22弯折时，第一支撑岛221和第二支撑岛222在两个弯折方向受到的应力相近，或在两个弯折方向受到的应力均为最小/较小应力，提升刚性支撑层20的弯折性能，同时使得第一子图案部2021和第二子图案部2022对显示面板本体10的支撑作用均匀，达到最好的支撑性，使得显示面板本体10的表面平弹性均匀，从而显示面板100可以提供优异质量的图像。
具体的，第一支撑岛221和第二支撑岛222的表面形状可以包括正方形、圆形、菱形、规则多边形等之中的一种。
在一些实施例中，第一子图案部2021呈中心对称结构，第二子图案部2022呈中心对称结构。
具体的，第一子图案部2021呈中心对称结构，可以使得显示面板100在第一弯折部FF21弯折时，第一子图案部2021受到的应力最小且应力分布均匀，提升刚性支撑层20的弯折性能；第二子图案部2022呈中心对称结构，可以使得显示面板100在第二弯折部FF221弯折时，第二子图案部2022受到的应力最小且应力分布均匀，提升刚性支撑层20的弯折性能；同时使得第一子图案部2021和第二子图案部2022对显示面板本体10的支撑作用均匀，达到最好的支撑性，使得显示面板本体10的表面平弹性均匀，从而显示面板100可以提供优异质量的图像。
实施例五、
本实施例与上述实施例相同或相似，不同之处限定了图案部202在显示面板100中的朝向。
在一些实施例中，在显示面板100中，凹槽21位于刚性支撑层20远离显示面板本体10的一侧。
具体的，如图1、图2所示，在上述实施例中的显示面板100中，显示面板100弯折时，刚性支撑层20远离显示面板本体10，刚性支撑层20发生的形变或受到的应力集中较大，而刚性支撑层20远离显示面板本体10的一侧或表面离显示面板本体10最远，刚性支撑层20远离显示面板本体10的一侧或表面发生的形变或受到的应力集中最大。凹槽21位于支撑层20远离显示面板本体10的一侧，即凹槽21和支撑岛22位于刚性支撑层20远离显示面板本体10的一侧的表面，可以减小刚性支撑20受到的应力集中和形变大小，可以提供刚性支撑层以优异的弯折性能、优异的支撑性能，以及刚性支撑层与柔性膜层的良好搭配协调性。
实施例六、
请参阅图13，图13为本申请实施例提供的一种显示终端200的示意图。
本申请实施例中，还提供了一种显示终端200，显示终端200包括终端主体201和上述实施例中任一项的显示面板100，终端主体201与显示面板100组合为一体。
具体的，显示终端200可以为手机、笔记本电脑、电视机等。
需要说明的是，在上述实施例中，通过设置离散的支撑岛22，在弯折方向上离散化了刚性支撑层20的结构连续性，解决了刚性支撑层20弯折应力过大的问题，凹槽21中设置填充层23解决了图案部202平整性差的问题。
以上对本申请实施例所提供的一种显示面及显示终端进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种显示面板，其中，包括：
    显示面板本体，包括至少一弯折部和非弯折部；
    刚性支撑层，设置于所述显示面板本体的背侧，所述刚性支撑层包括对应于所述弯折部的图案部，以及对应于所述非弯折部的平坦部；
    其中，所述图案部包括至少一个凹槽和多个离散的支撑岛，所述支撑岛位于所述凹槽内，所述支撑岛的表面和所述平坦部远离所述显示面板本体的表面平齐。
  2. 如权利要求1所述的显示面板，其中，所述刚性支撑层还包括填充部，所述填充部填充于所述凹槽，且所述填充部远离所述刚性支撑层的表面与所述平坦部的表面平齐，所述填充部的材料的弹性模量小于所述刚性支撑层的弹性模量。
  3. 如权利要求1所述的显示面板，其中，所述凹槽的深度为所述刚性支撑层的厚度的1/3至2/3。
  4. 如权利要求1所述的显示面板，其中，所述图案部包括多个所述凹槽，多个所述支撑岛均匀排布。
  5. 如权利要求4所述的显示面板，其中，每一所述凹槽沿平行于弯折轴的方向贯穿所述刚性支撑层。
  6. 如权利要求1所述的显示面板，其中，所述凹槽的截面形状包括正方形、矩形、三角形、梯形、半圆形、半椭圆形中的一种或多种的组合。
  7. 如权利要求1所述的显示面板，其中，所述显示面板本体包括第一弯折部和第二弯折部，所述第一弯折部的弯折轴与所述第二弯折部的弯折轴交叉，所述图案部包括第一子图案部和第二子图案部，所述第一子图案部与所述第一弯折部对应，所述第二子图案部与所述第二弯折部对应。
  8. 如权利要求7所述的显示面板，其中，所述第一弯折部的弯折轴与所述第二弯折部的弯折轴相互垂直。
  9. 如权利要求7所述的显示面板，其中，所述第一子图案部包括第一凹槽和第一支撑岛，所述第二子图案部包括第二凹槽和第二支撑岛；
    所述第一凹槽和所述第二凹槽在所述第一子图案部和所述第二子图案部的相交部位相互连接。
  10. 如权利要求9所述的显示面板，其中，所述第一子图案部关于所述第一弯折部的弯折轴呈轴对称；
    所述第二子图案部关于所述第二弯折部的弯折轴呈轴对称。
  11. 如权利要求10所述的显示面板，其中，所述第一支撑岛的形状与所述第二支撑岛的形状相同。
  12. 如权利要求10所述的显示面板，其中，所述第一支撑岛和所述第二支撑岛均关于所述第一弯折部的弯折轴呈轴对称形状；
    所述第一支撑岛和所述第二支撑岛均关于所述第二弯折部的弯折轴呈轴对称形状。
  13. 如权利要求10所述的显示面板，其中，所述第一子图案部呈中心对称结构，所述第二子图案部呈中心对称结构。
  14. 如权利要求1所述的显示面板，其中，所述凹槽位于所述刚性支撑层远离所述显示面板本体的一侧。
  15. 如权利要求2所述的显示面板，其中，所述填充部的材料为热熔胶。
  16. 一种显示终端，其中，包括终端主体和显示面板，所述终端主体与所述显示面板组合为一体，所述显示面板包括：
    显示面板本体，包括至少一弯折部和非弯折部；
    刚性支撑层，设置于所述显示面板本体的背侧，所述刚性支撑层包括对应于所述弯折部的图案部，以及对应于所述非弯折部的平坦部；
    其中，所述图案部包括至少一个凹槽和多个离散的支撑岛，所述支撑岛位于所述凹槽内，所述支撑岛的表面和所述平坦部远离所述显示面板本体的表面平齐。
  17. 如权利要求16所述的显示终端，其中，所述刚性支撑层还包括填充部，所述填充部填充于所述凹槽，且所述填充部远离所述刚性支撑层的表面与所述平坦部的表面平齐，所述填充部的材料的弹性模量小于所述刚性支撑层的弹性模量。
  18. 如权利要求16所述的显示终端，其中，所述显示面板本体包括第一弯折部和第二弯折部，所述第一弯折部的弯折轴与所述第二弯折部的弯折轴交叉，所述图案部包括第一子图案部和第二子图案部，所述第一子图案部与所述第一弯折部对应，所述第二子图案部与所述第二弯折部对应。
  19. 如权利要求18所述的显示终端，其中，所述第一子图案部关于所述第一弯折部的弯折轴呈轴对称；
    所述第二子图案部关于所述第二弯折部的弯折轴呈轴对称。
  20. 如权利要求18所述的显示终端，其中，所述第一子图案部呈中心对称结构，所述第二子图案部呈中心对称结构。
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