WO2024011995A1 - 一种显示装置及显示终端 - Google Patents

一种显示装置及显示终端 Download PDF

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Publication number
WO2024011995A1
WO2024011995A1 PCT/CN2023/089897 CN2023089897W WO2024011995A1 WO 2024011995 A1 WO2024011995 A1 WO 2024011995A1 CN 2023089897 W CN2023089897 W CN 2023089897W WO 2024011995 A1 WO2024011995 A1 WO 2024011995A1
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WO
WIPO (PCT)
Prior art keywords
bending
support
sub
display device
layer
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.)
Ceased
Application number
PCT/CN2023/089897
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English (en)
French (fr)
Inventor
汪文强
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
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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 WO2024011995A1 publication Critical patent/WO2024011995A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • G09F9/33—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 being semiconductor devices, e.g. diodes
    • G09F9/335—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 being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]

Definitions

  • the present application relates to the field of display, and specifically to a display device and a display terminal.
  • Flexible display devices such as flexible organic light-emitting display devices (OLED) have been widely used in daily life, and foldable organic light-emitting display devices have been developed.
  • folded organic light-emitting display devices have been used in foldable mobile phones.
  • Embodiments of the present application provide a display device and a display terminal, which can solve the problems of creases and marks at the same time.
  • This application provides a display device, which includes:
  • a display panel including a first non-bent part and a second non-bent part, and a bending part located between the first non-bending part and the second non-bending part;
  • a spacer layer disposed entirely on the non-display side of the display panel
  • a support layer is provided on the side of the spacer layer away from the display panel, and the spacer layer is attached to the support layer;
  • the support layer includes a first support part and a second support part, and the first support part and the second support part are separately arranged to form a space between the first support part and the second support part. Spaces are provided corresponding to the bent portions.
  • the thickness of the support layer is greater than the thickness of the spacer layer.
  • the width of the spacing gap is smaller than the width of the bending portion.
  • the bending portion includes a first transitional bending portion, a main bending portion and a second transitional bending portion, and the main bending portion is located at the first transitional bending portion. between the bending part and the second transition bending part;
  • the first support part includes a first sub-support part and a second sub-support part
  • the second support part includes a third sub-support part and a fourth sub-support part
  • the first sub-support part corresponds to the first
  • the non-bending part is provided
  • the third sub-supporting part is provided corresponding to the second non-bending part
  • the second sub-supporting part is provided corresponding to the first transitional bending part
  • the fourth sub-supporting part corresponds to
  • the second transitional bending part is provided
  • the second sub-support part and the fourth sub-support part each include a plurality of hollow holes, and the spacing gaps are provided corresponding to the main bending part.
  • the width of the spacing gap is equal to the width of the main bending portion.
  • the elastic modulus of the spacer layer is greater than the elastic modulus of the support layer.
  • the bending axis of the bending portion extends in the first direction
  • the length of the plurality of hollow holes in the first direction is greater than the length in the second direction, and the second direction is perpendicular to the first direction;
  • the plurality of hollow holes of the second sub-support part and the plurality of hollow holes of the fourth sub-support part are all staggered in the second direction.
  • the hollow density of the plurality of hollow holes of the second sub-support part gradually increases along the second direction close to the main bending part; the first The hollow density of the plurality of hollow holes in the four sub-support parts gradually increases along the second direction near the main bending part.
  • the plurality of hollow holes in the second direction, have the same width;
  • the length of the plurality of hollow holes of the second sub-support part in the first direction gradually increases along the second direction close to the main bending part, and the plurality of hollow holes of the fourth sub-support part The length of the hollow hole in the first direction gradually increases near the main bending portion in the second direction.
  • the length of any of the hollow holes in the first direction is a first length value
  • the length of any of the hollow holes and any side of the hollow hole in the first direction is The spacing between adjacent hollow holes is a second length value
  • the sum of the first length value of the hollow holes and the corresponding second length value is a fixed value
  • the surface of the support layer away from the spacer layer has a centrally symmetrical structure.
  • a first adhesion layer is further included, the first adhesion layer includes a first adhesion part and a second adhesion part, and the first support part passes through the The first adhesive part is attached to the spacer layer, the second support part is attached to the spacer layer through the second adhesive part, and the first adhesive part and the second adhesive part correspond to each other.
  • the first adhesive part and the second adhesive part are both non-hollowed out.
  • the material of the spacer layer and the material of the support layer respectively include at least one of stainless steel, carbon fiber, titanium alloy, magnesium aluminum alloy, nickel alloy, polyester fiber and acrylic. kind.
  • it also includes:
  • a backplane layer is provided between the spacer layer and the display panel
  • a foam layer is provided between the backing layer and the spacer layer;
  • Two adjacent ones of the display panel, the backplane layer, the foam layer, the spacer layer and the support layer are arranged in close contact with each other.
  • this application also provides a display terminal, including a display device, wherein the display device includes:
  • a display panel including a first non-bent part and a second non-bent part, and a bending part located between the first non-bending part and the second non-bending part;
  • a spacer layer disposed entirely on the non-display side of the display panel
  • a support layer is provided on the side of the spacer layer away from the display panel, and the spacer layer is attached to the support layer;
  • the support layer includes a first support part and a second support part, and the first support part and the second support part are separately arranged to form a space between the first support part and the second support part. Spacing gaps, the spacing gaps are provided corresponding to the bending portion;
  • the display terminal also includes:
  • a middle frame housing which is disposed on a side of the support layer away from the display panel.
  • the middle frame housing includes a first middle frame and a second middle frame.
  • the first middle frame is at least in contact with the display panel.
  • the first non-bending portion is provided correspondingly
  • the second middle frame is at least provided correspondingly to the second non-bending portion.
  • a rotating mechanism is accommodated in the middle frame housing and connected to the first middle frame housing and the second middle frame.
  • the rotating mechanism is disposed on the middle frame. between the bent portion of the display panel and the middle frame housing.
  • the bending portion includes a first transitional bending portion, a main bending portion and a second transitional bending portion, and the main bending portion is located between the first transitional bending portion and the second transitional bending portion. between the second transitional bending parts;
  • the rotating mechanism includes a hinge mounting base, and the hinge mounting base includes an arc-shaped receiving groove.
  • the main bending part and the first transition bending part are The edge portion close to the second transitional bending portion and the edge portion of the second transitional bending portion close to the first transitional bending portion are both received in the receiving groove.
  • the thickness of the support layer is greater than the thickness of the spacer layer.
  • the width of the spacing gap is smaller than the width of the bending portion.
  • the bending portion includes a first transitional bending portion, a main bending portion and a second transitional bending portion, and the main bending portion is located at the first transitional bending portion. between the bending part and the second transition bending part;
  • the first support part includes a first sub-support part and a second sub-support part
  • the second support part includes a third sub-support part and a fourth sub-support part
  • the first sub-support part corresponds to the first
  • the non-bending part is provided
  • the third sub-supporting part is provided corresponding to the second non-bending part
  • the second sub-supporting part is provided corresponding to the first transitional bending part
  • the fourth sub-supporting part corresponds to
  • the second transitional bending part is provided
  • the second sub-support part and the fourth sub-support part each include a plurality of hollow holes, and the spacing gaps are provided corresponding to the main bending part.
  • the elastic modulus of the spacer layer is greater than the elastic modulus of the support layer.
  • a display device and a display terminal are provided.
  • the display device includes a display panel, including a first non-bending part and a second non-bending part, and a display panel located at the first non-bending part and the second non-bending part.
  • the bending parts between the bending parts; the spacer layer, which is disposed on the non-display side of the display panel; the support layer, which is disposed on the side of the spacer layer away from the display panel, and the spacer layer and the support layer are arranged in close contact; wherein, the support layer
  • the layer includes a first support part and a second support part. The first support part and the second support part are provided separately to form a spacing gap between the first support part and the second support part.
  • the spacing gap is provided corresponding to the bending part.
  • the embodiment of the present application is provided with an entire spacer layer.
  • the spacer layer is used to support each film layer of the entire display device, which facilitates the bending of the module.
  • the flatness is high to avoid initial formation when the various film layers of the display device are bonded. imprint;
  • the support layer includes a first support part and a second support part, and the first support part and the second support part are separately arranged on both sides of a gap, which reduces the thickness and mechanical strength of the bending part, and the gap
  • the arrangement of the corresponding bending portion makes the display device easy to bend, reduces the bending stress, and can reduce the occurrence of creases.
  • Figure 1 is a schematic diagram of the film stack structure of a display device in a flat state according to an embodiment of the present application
  • Figure 2 is a schematic diagram of a display device in a fully folded state according to an embodiment of the present application
  • Figure 3 is a schematic cross-sectional view of part of the film layer in a flat state of a display device provided by an embodiment of the present application;
  • Figure 4 is a schematic cross-sectional structural diagram of a display device in a fully folded state according to an embodiment of the present application
  • Figure 5 is a schematic top view of a partial area of a support layer provided by an embodiment of the present application.
  • Figure 6 is an enlarged schematic diagram of a partial area of a support layer provided by an embodiment of the present application.
  • Figure 7 is a schematic diagram of a first adhesive layer and a support layer provided by an embodiment of the present application.
  • Figure 8 is a schematic cross-sectional view of a display device 1000 at a pad bending portion according to an embodiment of the present application
  • Figure 9 is a schematic diagram of a display terminal in a flat state provided by an embodiment of the present application.
  • Figure 10 is a schematic diagram of a display terminal in a fully folded state provided by an embodiment of the present application.
  • Figure 11 is a schematic cross-sectional view of a display terminal in a fully folded state provided by an embodiment of the present application.
  • Figure 12 is a schematic diagram of the bending radius of a display device in the prior art when it is in a fully folded state
  • Figure 13 is a schematic diagram of the bending radius of a display device in a fully folded state according to an embodiment of the present application
  • Figure 14 is a schematic diagram showing the stress comparison of each adhesive layer when the display device in the prior art and the display device in the embodiment of the present application are in a fully folded state;
  • FIG. 15 is a schematic diagram comparing the risk of film layer breakage when the display device in the prior art and the display device in the embodiment of the present application are in a fully folded state.
  • An embodiment of the present application provides a display device, including: a display panel, including a first non-bending part and a second non-bending part, and a bending part located between the first non-bending part and the second non-bending part. the folding portion; the spacer layer, which is disposed on the non-display side of the display panel; the support layer, which is disposed on the side of the spacer layer away from the display panel, and the spacer layer and the support layer are arranged in close contact; wherein, the support layer includes a first support portion and The second support part, the first support part and the second support part are provided separately to form a spacing gap between the first support part and the second support part, and the spacing gap is provided corresponding to the bending part.
  • Embodiments of the present application also provide a display terminal including the foregoing display device, which will be described in detail below. It should be noted that the order of description of the following embodiments does not limit the preferred order of the embodiments.
  • Figure 1 is a schematic diagram of the film layer stack structure in a flat state of a display device provided by an embodiment of the present application
  • Figure 2 is a display device provided by an embodiment of the present application.
  • Figure 3 is a schematic cross-sectional view of a part of a film layer in a flattened state of a display device provided by an embodiment of the present application
  • Figure 4 is a cross-section of a display device provided by an embodiment of the present application in a fully folded state.
  • FIG. 3 is a schematic cross-sectional view of the dotted line HK in FIG. 1 , but FIG. 3 only illustrates part of the film structure of the display device.
  • FIG. 3 is a schematic cross-sectional view of the dotted line HK in FIG. 1 , but FIG. 3 only illustrates part of the film structure of the display device.
  • FIG. 4 is a schematic cross-sectional view of the dotted line HJ in FIG. 2 , but FIG. 4 only illustrates part of the film structure of the display device.
  • FIG. 1 illustrates a schematic diagram of a film layer stack of a display device, but does not constitute a limitation on the order, quantity, materials, etc. of the film layer structure of the display device.
  • the display panel 4 or the display device 1000 includes a bending portion FF3.
  • the bending axis of the bending portion FF3 extends along the first direction X, and the second direction Y is perpendicular to the first direction.
  • the embodiment of the present application provides a display device 1000.
  • the display device 1000 includes a display panel 4, a spacer layer 6 and a support layer 7.
  • the display panel 4 includes a first non-bending portion FF1 and a second non-bending portion FF2, and a The bending portion FF3 between the first non-bending portion FF1 and the second non-bending portion FF2;
  • the spacer layer 6 is disposed entirely on the non-display side of the display panel 4;
  • the support layer 7 is disposed on the spacer layer 6 away from the display panel 4
  • the spacer layer 6 and the support layer 7 are arranged in close contact; wherein, the support layer 7 includes a first support part 71 and a second support part 72, and the first support part 71 and the second support part 72 are separately arranged to be on the first
  • a spacing gap 73 is formed between the supporting part 71 and the second supporting part 72 , and the spacing gap 73 is provided corresponding to the bending part.
  • first support part 71 and the second support part 72 are separately provided on both sides of a gap 73 .
  • the first support part 71 is provided at least corresponding to the first non-bent part FF1
  • the second support part 72 is provided at least corresponding to the second non-bent part FF1 .
  • the non-bending part FF2 is provided, and the spacing gap 73 corresponds to the setting of the bending part FF3.
  • the display panel 4 may be an organic light-emitting display panel, but is not limited thereto.
  • the display panel 4 may include a substrate, a luminescent layer disposed on the substrate, and an encapsulation layer disposed on the luminescent layer.
  • the structure of the display panel 4 is not limited here.
  • the non-display side of the display panel 4 refers to the back side of the display panel, or the side away from the light emitting direction of the display panel 4 .
  • the display panel 4 includes a first non-bending portion FF1 and a second non-bending portion FF2.
  • the display panel 4 may also include two or more bending portions.
  • the spacer layer 6 and the support layer 7 are laminated and disposed on the non-display side of the display panel 4 , and the support layer 7 is provided on the side of the spacer layer 6 away from the display panel 4 .
  • the spacer layer 6 is disposed on the entire non-display side of the display panel 4 , that is, the spacer layer 6 is disposed on the non-display side of the display panel 4 without patterning.
  • the support layer 7 includes a first support part 71 and a second support part 72 , and the first support part 71 and the second support part 72 are separately provided to form a spacing gap between the first support part 71 and the second support part 72 73, the spacing gap 73 is provided corresponding to the bending part. That is, the support layer 7 includes two parts: the first support part 71 and the second support part 72 . The first support part 71 and the second support part 72 do not contact each other. There is a gap between the first support part 71 and the second support part 72 . Spacing gap 73.
  • the first support part 71 is provided at least corresponding to the first non-bending part FF1
  • the second supporting part 72 is provided at least corresponding to the second non-bending part FF2
  • the spacing gap 73 is provided corresponding to the bending part FF3. That is, the orthographic projection of the first supporting part 71 on the display panel 4 covers the first non-bending part FF1, the orthographic projection of the second supporting part 72 on the display panel 4 covers the second non-bending part FF2, and the spacing gap 73 is in the display
  • the orthographic projection on the panel 4 and the bending portion FF3 are at least partially overlapped.
  • the display panel 4 includes a first non-bending portion FF1 and a second non-bending portion FF2, and a bending portion FF3 located between the first non-bending portion FF1 and the second non-bending portion FF2. It can be understood that, for the display device 1000, the display device 1000 may also include a first non-bending portion FF1 and a second non-bending portion FF2, and be located between the first non-bending portion FF1 and the second non-bending portion FF2.
  • the display terminal 2000 may also include a first non-bent portion FF1 and a second non-bent portion FF2, and the bending portion FF3 located between the first non-bending portion FF1 and the second non-bending portion FF2 will not be described again here.
  • an entire spacer layer 6 is provided.
  • the spacer layer 6 is used to support the film layer of the entire display device 1000 , which facilitates the bending of the display device.
  • the spacer layer 6 has a relatively high flatness, so that it can be placed on each side of the display device 1000 . Avoid forming initial marks when the film layers are bonded;
  • the support layer 7 includes a first support part 71 and a second support part 72.
  • the first support part 71 and the second support part 72 are separately provided on both sides of a gap 73.
  • the thickness and mechanical strength of the bending part are reduced.
  • the arrangement of the spacing gap 73 corresponding to the bending part FF3 makes the display device 1000 easy to bend, reduces the bending stress, and can reduce the occurrence of creases.
  • This embodiment is the same as or similar to Embodiment 1, except that some features or implementation conditions of the display device 1000 are further described.
  • the thickness of the support layer 7 is greater than the thickness of the spacer layer 6 .
  • the spacer layer 6 is used to support the film layer of the entire display device 1000, and at the same time participates in the bending at the bending portion.
  • the thickness of the spacer layer 6 is small, so that the spacer layer 6 can be used for the entire display.
  • the membrane layer of the device 1000 provides support and can be bent.
  • the thickness of the support layer 7 is increased. Since the area of the bending part FF3 is small, the areas of the first non-bending part FF1 and the second non-bending part FF2 are larger. , the support layer 7 can provide sufficient support for the first non-bent portion FF1 and the second non-bent portion FF2.
  • the thickness of the support layer 7 is relatively thick, and after the frame bending portion of the display panel 4 is bent to the non-display side of the display panel 4, it provides support for the frame bending portion, which will be described in detail later.
  • the width of the spacing gap 73 is smaller than the width of the bending portion FF3.
  • the width of the spacing gap 73 is smaller than the width of the bending portion FF3 , where both the width of the spacing gap 73 and the width of the bending portion FF3 refer to the width in the second direction Y.
  • the width of the spacing gap 73 is smaller than the width of the bending portion FF3, so that the first support portion 71 corresponds to a partial area of the first non-bending portion FF1 and the bending portion FF3.
  • the second supporting part 72 corresponds to the partial area of the second non-bending part FF2 and the bending part FF3
  • the first supporting part 71 and the second supporting part 72 correspond to the partial area of the bending part FF3 both participate in the bending of the display panel 4 This process or bending action shortens the width of the gap 73.
  • the first support portion 71 and the second support portion 72 provide a certain support function for the bending portion, which can avoid or improve folding marks. happened.
  • This embodiment is the same as or similar to Embodiment 2, except that some features or implementation conditions of the display device 1000 are further described.
  • the bending portion FF3 includes a first transitional bending portion FF31, a main bending portion FF33, and a second transitional bending portion FF32.
  • the main bending portion FF33 is located between the first transitional bending portion FF31 and the second transitional bending portion FF31.
  • the first support portion 71 includes a first sub-support portion 711 and a second sub-support portion 712
  • the second support portion 72 includes a third sub-support portion 721 and a fourth sub-support portion 722.
  • the support part 711 is provided corresponding to the first non-bending part FF1
  • the third sub-support part 721 is provided corresponding to the second non-bending part FF2
  • the second sub-support part 712 is provided corresponding to the first transitional bending part FF31
  • the fourth sub-support part 722 is provided corresponding to the second transitional bending part FF32
  • the second sub-support part 712 and the fourth sub-support part 722 each include a plurality of hollow holes 701
  • the spacing gap 73 is provided corresponding to the main bending part FF33.
  • both the second sub-support part 712 and the fourth sub-support part 722 include a plurality of hollow holes 701, that is, the second sub-support part 712 and the fourth sub-support part 722 are arranged in a grid shape.
  • the bending portion FF3 includes a first transitional bending portion FF31, a main bending portion FF33, and a second transitional bending portion FF32.
  • the main bending portion FF33 is a bending portion.
  • the first transitional bending portion FF31 and the second transitional bending portion FF32 are located on both sides of the main bending portion FF33.
  • the first transitional bending portion FF31 makes the display panel 4 make a gentle or smooth transition from the first non-bending portion FF1 to the main bending portion FF33.
  • the portion FF32 allows the display panel 4 to make a gentle or smooth transition from the second non-bending portion FF2 to the main bending portion FF33, thereby preventing the display panel 4 from breaking or having creases.
  • the first support part 71 includes a first sub-support part 711 and a second sub-support part 712.
  • the first sub-support part 711 and the second sub-support part 712 are an integral body connected to each other.
  • the second support part 72 includes a third sub-support part 721 and a fourth sub-support part 722.
  • the third sub-support part 721 and the fourth sub-support part 722 are an integral body connected to each other.
  • the first sub-support part 711 is provided corresponding to the first non-bending part FF1
  • the third sub-support part 721 is provided corresponding to the second non-bending part FF2
  • the second sub-support part 712 is provided corresponding to the first transitional bending part FF31.
  • the fourth sub-support part 722 is provided corresponding to the second transitional bending part FF32, the orthographic projection of the first sub-support part 711 on the display panel 4 overlaps with the first non-bent part FF1, and the third sub-support part 721 is on the display panel 4
  • the orthographic projection on 4 overlaps with the second non-bent portion FF2
  • the orthographic projection of the second sub-support portion 712 on the display panel 4 overlaps with the first transitional bending portion FF31
  • the fourth sub-support portion 722 is on the display panel 4
  • the orthographic projection overlaps with the second transitional bending portion FF32.
  • the spacing gap 73 is provided corresponding to the main bending portion FF33, and the orthographic projection of the spacing gap 73 on the display panel 4 overlaps with the main bending portion FF33.
  • both the second sub-support part 712 and the fourth sub-support part 722 include a plurality of hollow holes 701.
  • the hollow holes 701 can reduce the bending stiffness and mechanical strength of the second sub-support part 712 and the fourth sub-support part 722. The bendability performance of the display device 1000 is improved.
  • the second sub-support part 712 participates in the bending of the first transitional bending part FF31, and the second sub-support part 712 also provides support for the first transitional bending part FF31 to reduce folding marks;
  • the fourth sub-support part 722 Participating in the bending of the second transitional bending portion FF32, the fourth sub-support portion 722 also provides support for the second transitional bending portion FF32 to reduce folding marks.
  • the width of the spacing gap 73 is equal to the width of the main bending portion FF33.
  • the width of the spacing gap 73 in the second direction Y is equal to the width of the bending portion FF3 in the second direction Y, so that the spacing gap 73 is in contact with the main surface of the display panel 4 .
  • the bending parts just overlap, so that the supporting effect of the second sub-support part 712 and the fourth sub-support part 722 is optimal, and the effect of the spacing gap 73 in facilitating the bending is optimal.
  • the elastic modulus of the spacer layer 6 is greater than the elastic modulus of the support layer 7 .
  • the spacer layer 6 can be a rigid support layer
  • the support layer 7 can be a rigid support layer or an elastic support layer
  • the thickness of the support layer 7 is relatively thick.
  • the elastic modulus of the spacer layer 6 is greater than the elastic modulus of the support layer 7.
  • the spacer layer 6 provides overall support and plays a main supporting role.
  • the support layer 7 plays an auxiliary supporting role in the corresponding area.
  • the second sub-support part The elastic modulus of 712 and the fourth sub-support part 722 is small, which provides a certain buffering effect for the first transitional bending part FF31 and the second transitional bending part FF32.
  • Embodiment 3 is the same as or similar to Embodiment 3, except that some features or implementations of the display device 1000 are further described, especially the multiple arrangements of the hollow holes 701 .
  • Figure 5 is a schematic top view of a partial area of a support layer provided by an embodiment of the present application
  • Figure 6 is an enlarged schematic diagram of a partial area of a support layer provided by an embodiment of the present application.
  • FIG. 6 is an enlarged schematic view of the area of the dotted frame 702 in FIG. 5 .
  • FIG. 6 enlarges and schematically illustrates the shape of the hollow hole 701 .
  • the bending axis of the bending portion FF3 extends in the first direction X; the length of the plurality of hollow holes 701 in the first direction X is greater than the length in the second direction Y, and the second direction Y is vertical. In the first direction X; the plurality of hollow holes 701 of the second sub-support part 712 and the plurality of hollow holes 701 of the fourth sub-support part 722 are staggered in the second direction Y.
  • the display panel 4 or the display device 1000 includes a bending portion FF3.
  • the bending axis of the bending portion FF3 extends along the first direction X, and the second direction Y is perpendicular to the first direction.
  • the length of the plurality of hollow holes 701 in the first direction X is greater than the length in the second direction Y, which can reduce the bending stress of the second sub-support part 712 and the fourth sub-support part 722 in the second direction. , reduce creases.
  • the plurality of hollow holes 701 of the second sub-support part 712 and the plurality of hollow holes 701 of the fourth sub-support part 722 are staggered in the second direction Y, which can reduce the size of the second sub-support part 712 and the fourth sub-support part 722 .
  • the bending stress of the sub-support part 722 in the second direction reduces the crease.
  • the second sub-support part 712 and the fourth sub-support can be avoided due to the dislocation obstruction of the hollow hole 701.
  • the cracks in the portion 722 are spread to prevent the second sub-support portion 712 and the fourth sub-support portion 722 from breaking.
  • the hollow density of the plurality of hollow holes 701 of the second sub-support part 712 gradually increases along the second direction Y close to the main bending part FF33; the hollow density of the plurality of hollow holes 701 of the fourth sub-support part 722 The density gradually increases near the main bending portion FF3 in the second direction Y.
  • the hollow density of the plurality of hollow holes 701 of the portion 712 gradually increases along the second direction Y as it approaches the main bending portion FF33, and the hollow density of the plurality of hollow holes 701 of the fourth sub-support portion 722 approaches the main bend along the second direction Y.
  • the gradual increase of the portion FF3 can reduce the bending strength and mechanical strength of the second sub-support portion 712 and the fourth sub-support portion 722 in the direction close to the main bending portion FF3, providing good bending performance and making it easier to bend. , reduce the occurrence of creases.
  • a gradient graphic structure is designed to adjust the support layer.
  • 7 corresponds to the bending modulus of the first transitional bending zone FF31 and the second transitional bending zone FF32, thereby controlling the bending stiffness of the second sub-support portion 712 and the fourth sub-support portion 722 of the support layer 7, thereby controlling or Coordinate the bending shape or curvature of the display device 1000 to improve creases and reduce the risk of interlayer debonding in the transitional bending arc section of the display device 1000 with a water-drop-shaped bending shape; at the same time, the display in subsequent embodiments
  • the support layer 7 blocks the hard contact stress of the adhesive bonding surface of the middle frame housing 1 of the display terminal 2000 and the bending part of the display device 1000, thereby reducing the probability of marks.
  • the greater the length of a single hollow hole 701 in the first direction The bending stiffness is also greater; in this way, the bending stiffness of the support layer 7 participating in the bending part FF3 is gradually reduced, which alleviates the bending of the second support layer 7 when it is attached to the middle frame shell 1 or for a long time.
  • the problem of marks caused by fatigue can also be controlled, and the water-drop-shaped bending shape of the display device 1000 can also be controlled.
  • the widths of the plurality of hollow holes 701 are the same; the length of the plurality of hollow holes 701 of the second sub-support part 712 in the first direction X is close to the main bend along the second direction Y.
  • the folded portion FF33 gradually increases, and the length of the plurality of hollow holes 701 of the fourth sub-support portion 722 in the first direction X gradually increases along the second direction Y close to the main folded portion FF33.
  • the length of the plurality of hollow holes 701 of the second sub-support part 712 in the first direction The solid density of Y is reduced close to the main bending portion FF33; the length of the plurality of hollow holes 701 through the fourth sub-support portion 722 in the first direction
  • the solid density of the fourth sub-support part 722 along the second direction Y near the main bending part FF33 is reduced, which can reduce the bending of the second sub-support part 712 and the fourth sub-support part 722 in the direction close to the main bending part FF3.
  • Folding strength and mechanical strength provide good bending performance, making it easier to bend and reduce the occurrence of creases.
  • the length of any hollow hole 701 in the first direction X is the first length value
  • the distance between any hollow hole 701 and the adjacent hollow holes 701 on either side in the first direction X is The second length value
  • the sum of the first length value of the hollow hole 701 and the corresponding second length value is a fixed value K0.
  • the plurality of hollow holes 701 include first hollow holes 7011 , second hollow holes 7012 and third hollow holes 7013 .
  • the first length value of the first hollow hole 7011 is K1, the second length value corresponding to the first hollow hole is K2, and the sum of K1 and K2 is a fixed value K0;
  • the first length value of the second hollow hole 7012 is K3, and the first length value of the second hollow hole 7012 is K3.
  • the second length value corresponding to the second hollow hole 7012 is K4, and the sum of K3 and K4 is a fixed value K0;
  • the first length value corresponding to the third hollow hole 7013 is K5, and the second length value corresponding to the third hollow hole 7013 is K6.
  • the sum of K5 and K6 is a fixed value K0.
  • the sum of the first length value of the hollow hole 701 and the corresponding second length value is a fixed value K0, which can make the second sub-support part 712 and the fourth sub-support part 722 solid in the direction close to the main bending part FF3
  • the density, hollow density, and bending stiffness change evenly and gradually, and conform to and match the stress change pattern of the bending part FF3 during bending, which can reduce creases and facilitate bending and folding.
  • the surface of the support layer 7 away from the spacer layer 6 has a centrally symmetrical structure.
  • the bending stress is distributed centrally symmetrically, and the surface of the support layer 7 away from the spacer layer 6 has a centrally symmetrical structure, which can make the support layer 7 solid.
  • the density, hollow density, and bending stiffness better conform to and match the stress change pattern of the bending part FF3 during bending, which can reduce creases and facilitate bending and folding.
  • This embodiment is the same as or similar to the display device 1000 in any of the above embodiments, except that some features or implementation conditions of the display device 1000 are further described.
  • Figure 7 is a schematic diagram of a first adhesive layer and a support layer provided by an embodiment of the present application
  • Figure 8 is a schematic diagram of a display device 1000 provided by an embodiment of the present application at the pad bending portion.
  • the display device 1000 further includes a first adhesive layer 211 including a first adhesive part 2111 and a second adhesive part 2112, and the first support part 71 passes through the first adhesive part 2111 .
  • 2111 is attached to the spacer layer 6
  • the second support part 72 is attached to the spacer layer 6 through the second adhesion part 2112
  • the first adhesion part 2111 and the second adhesion part 2112 are separately arranged corresponding to the spacer gap 73
  • the first adhesion part 2111 is attached to the spacer layer 6.
  • 2111 and the second adhesive part 2112 are both non-hollowed out.
  • the first adhesive layer 211 may be an optical adhesive layer (OCR, OCA), etc., which is not limited here.
  • OCR optical adhesive layer
  • OCA optical adhesive layer
  • first adhesion part 2111 and the second adhesion part 2112 are separately provided corresponding to the spacing gap 73. It can be understood that the spacing gap 73 penetrates the first adhesion layer 211, and the first adhesion part 2111 and the second adhesion part 2111 are separated from each other corresponding to the spacing gap 73.
  • the portions 2112 are distributed on both sides of the gap 73 and are provided separately.
  • both the first adhesion part 2111 and the second adhesion part 2112 are non-hollowed, which can provide a good adhesion plane for the support layer 7 so that the surface of the support layer 7 close to the spacer layer 6 is on the same plane. Helps maintain the flatness of the display panel 4.
  • the material of the spacer layer 6 and the material of the support layer 7 respectively include at least one of stainless steel, carbon fiber, titanium alloy, magnesium aluminum alloy, nickel alloy, polyester fiber and acrylic.
  • the material of the spacer layer 6 and the material of the support layer 7 can be the same or different.
  • the material of the spacer layer 6 and the material of the support layer 7 can respectively include stainless steel, carbon fiber, titanium alloy, magnesium aluminum alloy, nickel alloy, polyester fiber. At least one of acrylic and acrylic, the material of the spacer layer 6 and the material of the support layer 7 can also be other suitable materials, which are not limited here.
  • the display device 1000 includes a pad bending portion BB1.
  • the pad bending portion BB1 is provided with a pad terminal (not shown in the figure).
  • the pad terminal is used to connect to a flexible circuit board, a driver chip, etc., and the pad
  • the bending part BB1 is bent to the non-display side of the display panel or display device, which can reduce the frame.
  • the pad bending part BB1 can be configured in any of the existing technologies.
  • the pad bending part BB1 will not be described in detail here. .
  • the pad bending portion BB1 is bent to the non-display side of the display panel 4 or the display device 1000 , and is fixedly arranged on the non-display side of the display panel 4 or the display device 1000 by adhering, gluing, etc.
  • the display device 1000 further includes a backplane layer 31 and a foam layer 32.
  • the backplane layer 31 is disposed between the spacer layer 6 and the display panel 4; the foam layer 32 is disposed between the backplane layer 31 and the spacer layer. 6; adjacent two of the display panel 4, backplane layer 31, foam layer 32, spacer layer 6 and support layer 7 are arranged in close contact with each other.
  • the display device 1000 also includes a backplane layer 31 and a foam layer 32.
  • the backplane layer 31, the foam layer 32, the spacer layer 6 and the support layer 7 provide complete support, buffering, and support for the display panel 4 or the display device 1000. Folding and other performance support.
  • the spacer layer 6 is a metal thin plate or a polymer composite material plate with relatively high flatness.
  • the spacer layer 6 and the support layer 7 are first bonded as a whole, and then the spacer layer 6 and the support layer 7 as a whole are bonded to the non-display side of the display panel 4 .
  • Figures 1 and 8 an example is shown of a stacked arrangement of the display device 1000.
  • Figures 1 and 8 include a support layer 7, a spacer layer 6, and a bubble arranged in sequence.
  • the adjacent laminated structures can be bonded together through an adhesive layer 21.
  • the adhesive layer 21 includes a third With an adhesive layer 211, the display device 1000 may also be provided with other laminate structures. For example, the display device 1000 may not include the polarizer 41.
  • This embodiment provides a display terminal 2000.
  • the display terminal 2000 includes the display device 1000 in any one of the above embodiments.
  • Figure 9 is a schematic diagram of a display terminal in a flat state provided by an embodiment of the present application
  • Figure 10 is a schematic diagram of a display terminal in a fully folded state provided by an embodiment of the present application.
  • Figure 11 is a schematic cross-sectional view of a display terminal in a fully folded state provided by an embodiment of the present application.
  • FIG. 11 is a schematic cross-sectional view of the HQ dotted line in FIG. 10 , but FIG. 11 only illustrates part of the film structure of the display device.
  • the bending axis or folding axis of the display terminal 2000 is the same as the bending axis or folding axis of the display panel 4 or the display device 1000 .
  • the bending axis or folding axis of the display terminal 2000 extends along the first direction X, and the second direction Y is perpendicular to First direction.
  • An embodiment of the present application provides a display terminal 2000.
  • the display terminal 2000 includes the display device 1000 of any one of the above embodiments, a middle frame housing 1 and a rotating mechanism 3.
  • the middle frame housing 1 is disposed on the side of the support layer 7 away from the display panel 4.
  • the middle frame housing 1 includes a first middle frame 11 and a second middle frame 12.
  • the first middle frame 11 is at least connected to the first non-bending portion FF1.
  • the second middle frame 12 is arranged correspondingly to at least the second non-bent portion FF2.
  • the first middle frame 11 and the second middle frame 12 are in contact with the corresponding bending portion FF3; rotate The mechanism 3 is accommodated in the middle frame housing 1 and connected to the first middle frame housing 11 and the second middle frame 12 .
  • the rotating mechanism 3 is disposed on the bent portion of the display panel 4 Between FF3 and middle frame shell 1.
  • the middle frame housing 1 is disposed on the side of the support layer 7 away from the display panel 4 , which means that the main parts of the middle frame housing 1 are disposed on the side of the support layer 7 away from the display panel 4 .
  • the middle frame housing 1 includes When accommodating the structure, the display panel 4 or the display device 1000 may be at least partially accommodated in the middle frame housing 1 .
  • the rotation mechanism 3 is used to allow the display device 1000 or the display terminal 2000 to be bent or folded.
  • the display panel, the display device 1000, or the display terminal 2000 when the display panel, the display device 1000, or the display terminal 2000 is in a flat state, it means that the display panel, the display device 1000, or the display terminal 2000 is in an unbent state.
  • the display panel, or display device 1000, or display terminal 2000 is in a fully folded state, it means that the display panel, or display device 1000, or display terminal 2000 is in the maximum bending state or folded state, and the display panel, or display device 1000, or The maximum bending or folding angle of the display terminal 2000 may be 180 degrees.
  • the first middle frame 11 and the second middle frame 12 are in contact with each other corresponding to the bent portion FF3, so that there is no gap between the first middle frame 11 and the second middle frame 12. It prevents external dust, foreign matter, particles, etc. from entering, thus achieving the function and effect of protecting the display device 1000 .
  • the first middle frame 11 and the second middle frame 12 are in contact with each other corresponding to the bending portion FF3; at this time, the first middle frame 11 corresponds to the first non-bending portion FF1 and the third A transitional bending portion FF31 and a partial area of the main bending portion FF33; the second middle frame 12 corresponds to the second non-bending portion FF2, the second transitional bending portion FF32 and a partial area of the main bending portion FF33.
  • the rotating mechanism 3 is accommodated in the middle frame housing 1 and connected to the first middle frame housing 11 and the second middle frame 12. When the display device 1000 is in a flat state, the rotating mechanism 3 is disposed on the display panel. Between the bending part FF3 and the middle frame housing 1, the rotation mechanism 3 may be arranged basically or completely corresponding to the bending part FF3.
  • the rotating mechanism 3 can be any mechanism and device such as a rotating hinge in the prior art, and is not limited here.
  • the bending portion FF3 includes a first transitional bending portion FF31, a main bending portion FF33, and a second transitional bending portion FF32.
  • the main bending portion FF33 is located between the first transitional bending portion FF31 and the second transitional bending portion FF31.
  • the rotating mechanism 3 includes a hinge mounting base 301, and the hinge mounting base 301 includes an arc-shaped receiving groove 3011.
  • the main bending part FF33, the first transition bend The edge portion of the folding portion FF31 close to the second transitional bending portion FF32 and the edge portion of the second transitional bending portion FF32 close to the first transitional bending portion FF31 are both received in the receiving groove 3011 .
  • the rotating mechanism 3 includes a hinge mounting base 301, and the hinge mounting base 301 includes an arc-shaped receiving groove 3011.
  • the main bending portion FF33, the first The edge portion of the transitional bending portion FF31 close to the second transitional bending portion FF32 and the edge portion of the second transitional bending portion FF32 close to the first transitional bending portion FF31 are both received in the receiving groove 3011, and the hinge mounting base 301 It can play a role in protecting the main bending portion FF33.
  • the edge portion of the first transitional bending portion FF31 close to the second transitional bending portion FF32 and the second transitional bending portion are all received in the receiving groove 3011, so that the receiving groove 3011 of the hinge mounting base 301 contacts the edge of the first transitional bending part FF31 close to the second transitional bending part FF32
  • the edge part of the second transitional bending part FF32 and the edge part of the second transitional bending part FF32 close to the first transitional bending part FF31, the receiving groove 3011 of the hinge mounting base 301 will not contact the main bending part FF33 and the first transitional bending part FF31.
  • the adjacent parts and the adjacent parts of the main bending part FF33 and the second transitional bending part FF32 can prevent the main bending part FF33 from being damaged when falling or falling, and play a role in protecting the main bending part FF33.
  • Figure 12 is a schematic diagram of the bending radius of a display device in the prior art when it is in a fully folded state
  • Figure 13 is a schematic diagram of a bending radius in an embodiment of the present application.
  • Figure 14 is a schematic diagram of the stress comparison of each adhesive layer when the display device in the prior art and the display device in the embodiment of the present application are in a fully folded state
  • Figure 15 is Schematic diagram comparing the risk of film layer breakage when the display device in the prior art and the display device in the embodiment of the present application are in a fully folded state.
  • Figures 12, 13, 14, and 15 are all simulated through simulation software.
  • the first transitional bending portion FF31 and the second transitional bending portion FF32 of the display device in the embodiment of the present application are better improved.
  • the first transitional bending portion The first transitional bending portion FF31 and the second transitional bending portion FF32 are gentler, and the first bending radius R1 value of the first transitional bending portion FF31 and the second transitional bending portion FF32 identified in Figures 12 and 13 becomes larger, thereby avoiding The morphology of the bending sharp corners of the main bending portion FF33 is confirmed, that is, the second bending radius R2 value of the main bending portion FF33 also becomes larger or gentler, and the stress state of the main bending portion FF33 is effectively relaxed. , and the curvature is more continuous. Through the settings of the embodiment of the present application, the risk of material peeling, breakage, and cracking of each film layer of the main bending portion FF33 can be effectively reduced.
  • FIG. 14 The abscissas in Figure 14 represent each adhesion layer in the display device (each adhesion layer OCA1, OCA2, OCA3, OCA4, OCA5, OCA6 corresponds to multiple adhesion layers in Figure 1 Adhesion layer 21), the ordinate in Figure 14 represents the stress (Pressure), the ordinate in Figure 15 represents the risk of film layer rupture (Longitidunal strain) in the display device, Figure 14 and Figure 15 compare the first in the prior art A display device (Initial design item in Figures 14 and 15), a display device in an embodiment of the present application (Optimal design item in Figures 14 and 15), and a second display device in the prior art ( Figure 14 and the reference value item in Figure 15, corresponding to the structure of Figure 12); it can be seen from Figure 14 that the stress on each adhesion layer in the display device in the embodiment of the present application is reduced and improved; from Figure 15, it can be seen that the stress value of peeling off each adhesive layer in the display device in

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Abstract

一种显示装置（1000）及显示终端（2000），显示装置（1000）包括：显示面板（4），包括位于第一非弯折部（FF1）和第二非弯折部（FF2）之间的弯折部（FF3）；间隔层（6），整面设置于显示面板（4）的非显示侧；支撑层（7），设置于间隔层（6）远离显示面板（4）的一侧；其中，支撑层（7）包括第一支撑部（71）和第二支撑部（72），第一支撑部（71）和第二支撑部（72）分离设置以形成间隔空隙（73），间隔空隙（73）对应弯折部（FF3）设置。

Description

一种显示装置及显示终端 技术领域
本申请涉及显示领域，具体涉及一种显示装置及显示终端。
 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，已经开发了折叠的有机发光显示装置，例如在折叠手机中已经使用了折叠的有机发光显示装置。
然而，在折叠显示装置中，经过多次反复折叠和展开后，容易出现折痕和印痕的问题，折痕是因为折叠显示装置经过反复折叠后，折叠装置的膜层出现疲劳弯折，导致材料出现不可恢复性塑性变形，印痕则是由于折叠显示装置自身很薄，支撑刚度不足，容易在的非弯折部和弯折部交界的区域，与手机等终端的中框结构刚性面接触形成局部应力集中，多次弯折后应力集中到一定程度，折叠显示装置的上层材料也会出现一定的变形和损伤，形成肉眼可见的条形印痕，在折叠显示装置中，关于折痕迹和印痕的问题还未出现一个很好的解决办法。
 发明概述
本申请实施例提供了一种显示装置及显示终端，可以解决同时折痕和印痕的问题。
本申请提供了一种显示装置，其中，包括：
显示面板，包括第一非弯折部和第二非弯折部，以及位于所述第一非弯折部和所述第二非弯折部之间的弯折部；
间隔层，整面设置于所述显示面板的非显示侧；
支撑层，设置于所述间隔层远离所述显示面板的一侧，所述间隔层与所述支撑层贴合设置；
其中，所述支撑层包括第一支撑部和第二支撑部，所述第一支撑部和所述第二支撑部分离设置以在所述第一支撑部和所述第二支撑部之间形成间隔空隙，所述间隔空隙对应所述弯折部设置。
可选地，在本申请的一些实施例中，所述支撑层的厚度大于所述间隔层的厚度。
可选地，在本申请的一些实施例中，在所述显示装置处于展平状态的情况下，所述间隔空隙的宽度小于所述弯折部的宽度。
可选地，在本申请的一些实施例中，所述弯折部包括第一过渡弯折部、主弯折部和第二过渡弯折部，所述主弯折部位于所述第一过渡弯折部和所述第二过渡弯折部之间；
所述第一支撑部包括第一子支撑部和第二子支撑部，所述第二支撑部包括第三子支撑部和第四子支撑部，所述第一子支撑部对应所述第一非弯折部设置，所述第三子支撑部对应所述第二非弯折部设置，所述第二子支撑部对应所述第一过渡弯折部设置，所述第四子支撑部对应所述第二过渡弯折部设置，所述第二子支撑部和所述第四子支撑部均包括多个镂空孔，所述间隔空隙对应所述主弯折部设置。
可选地，在本申请的一些实施例中，在所述显示装置处于展平状态的情况下，所述间隔空隙的宽度等于所述主弯折部的宽度。
可选地，在本申请的一些实施例中，所述间隔层的弹性模量大于所述支撑层的弹性模量。
可选地，在本申请的一些实施例中，所述弯折部的弯折轴在第一方向上延伸；
多个所述镂空孔在所述第一方向上的长度大于在第二方向上的长度，所述第二方向垂直于所述第一方向；
所述第二子支撑部的多个所述镂空孔和所述第四子支撑部的多个所述镂空孔均在所述第二方向上错位分布。
可选地，在本申请的一些实施例中，所述第二子支撑部的多个所述镂空孔的镂空密度沿所述第二方向靠近所述主弯折部逐渐增大；所述第四子支撑部的多个所述镂空孔的镂空密度沿所述第二方向靠近所述主弯折部逐渐增大。
可选地，在本申请的一些实施例中，在所述第二方向上，多个所述镂空孔的宽度相同；
所述第二子支撑部的多个所述镂空孔在所述第一方向上的长度沿所述第二方向靠近所述主弯折部逐渐增大，所述第四子支撑部的多个所述镂空孔在所述第一方向上的长度沿所述第二方向靠近所述主弯折部逐渐增大。
可选地，在本申请的一些实施例中，任一所述镂空孔在所述第一方向上的长度为第一长度值，任一所述镂空孔与在所述第一方向上任一侧相邻的所述镂空孔之间的间距为第二长度值，所述镂空孔的所述第一长度值与对应的所述第二长度值之和为固定值。
可选地，在本申请的一些实施例中，所述支撑层远离所述间隔层的表面呈中心对称结构。
可选地，在本申请的一些实施例中，还包括第一粘附层，所述第一粘附层包括第一粘附部和第二粘附部，所述第一支撑部通过所述第一粘附部贴合所述间隔层，所述第二支撑部通过所述第二粘附部贴合所述间隔层，所述第一粘附部和所述第二粘附部对应所述间隔空隙分离设置；
所述第一粘附部和所述第二粘附部均为非镂空设置。
可选地，在本申请的一些实施例中，所述间隔层的材料和所述支撑层的材料分别包括不锈钢、碳纤维、钛合金、镁铝合金、镍合金、聚酯纤维和亚克力中至少一种。
可选地，在本申请的一些实施例中，还包括：
背板层，设置于所述间隔层和所述显示面板之间；
泡棉层，设置于所述背板层和所述间隔层之间；
所述显示面板、所述背板层、所述泡棉层、所述间隔层和所述支撑层中相邻的两个贴合设置。
相应的，本申请还提供了一种显示终端，包括显示装置，其中，所述显示装置包括：
显示面板，包括第一非弯折部和第二非弯折部，以及位于所述第一非弯折部和所述第二非弯折部之间的弯折部；
间隔层，整面设置于所述显示面板的非显示侧；
支撑层，设置于所述间隔层远离所述显示面板的一侧，所述间隔层与所述支撑层贴合设置；
其中，所述支撑层包括第一支撑部和第二支撑部，所述第一支撑部和所述第二支撑部分离设置以在所述第一支撑部和所述第二支撑部之间形成间隔空隙，所述间隔空隙对应所述弯折部设置；
所述显示终端还包括：
中框壳体，所述中框壳体设置于所述支撑层远离所述显示面板的一侧，所述中框壳体包括第一中框和第二中框，第一中框至少与所述第一非弯折部对应设置，所述第二中框至少与所述第二非弯折部对应设置，在所述显示装置处于展平状态时，所述第一中框与所述第二中框在对应所述弯折部处抵接；
转动机构，容纳在所述中框壳体中，且与所述第一中框壳体及所述第二中框连接，在所述显示装置处于展平状态时，所述转动机构设置于所述显示面板的所述弯折部和所述中框壳体之间。
可选地，在本申请的一些实施例中，弯折部包括第一过渡弯折部、主弯折部和第二过渡弯折部，主弯折部位于所述第一过渡弯折部和所述第二过渡弯折部之间；
所述转动机构包括铰链安装基座，所述铰链安装基座包括一弧形的容纳槽，所述显示装置处于完全折叠状态时，所述主弯折部、所述第一过渡弯折部的靠近所述第二过渡弯折部的边缘部位和所述第二过渡弯折部的靠近所述第一过渡弯折部的边缘部位均收容于所述容纳槽内。
可选地，在本申请的一些实施例中，所述支撑层的厚度大于所述间隔层的厚度。
可选地，在本申请的一些实施例中，在所述显示装置处于展平状态的情况下，所述间隔空隙的宽度小于所述弯折部的宽度。
可选地，在本申请的一些实施例中，所述弯折部包括第一过渡弯折部、主弯折部和第二过渡弯折部，所述主弯折部位于所述第一过渡弯折部和所述第二过渡弯折部之间；
所述第一支撑部包括第一子支撑部和第二子支撑部，所述第二支撑部包括第三子支撑部和第四子支撑部，所述第一子支撑部对应所述第一非弯折部设置，所述第三子支撑部对应所述第二非弯折部设置，所述第二子支撑部对应所述第一过渡弯折部设置，所述第四子支撑部对应所述第二过渡弯折部设置，所述第二子支撑部和所述第四子支撑部均包括多个镂空孔，所述间隔空隙对应所述主弯折部设置。
可选地，在本申请的一些实施例中，所述间隔层的弹性模量大于所述支撑层的弹性模量。
有益效果
本申请实施例中，提供了一种显示装置及显示终端，显示装置包括：显示面板，包括第一非弯折部和第二非弯折部，以及位于第一非弯折部和第二非弯折部之间的弯折部；间隔层，整面设置于显示面板的非显示侧；支撑层，设置于间隔层远离显示面板的一侧，间隔层与支撑层贴合设置；其中，支撑层包括第一支撑部和第二支撑部，第一支撑部和第二支撑部分离设置以在第一支撑部和第二支撑部之间形成间隔空隙，间隔空隙对应弯折部设置。本申请实施例设置整面的间隔层，间隔层用于支撑整个显示装置的各个膜层，利于模组弯折，同时平整度较高，以便在显示装置的各个膜层贴合时避免形成初始印痕；同时，支撑层包括第一支撑部和第二支撑部，第一支撑部和第二支撑部分离设置于一间隔空隙的两侧，减小了弯折部的厚度和机械强度，间隔空隙对应弯折部的设置使得显示装置容易弯折，减小了弯折应力，可以减小折痕发生。
 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为本申请实施例提供的一种显示装置展平状态时的膜层叠构示意图；
图2为本申请实施例提供的一种显示装置完全折叠状态时的示意图；
图3为本申请实施例提供的一种显示装置展平状态时的部分膜层截面示意图；
图4为本申请实施例提供的一种显示装置完全折叠状态时的截面结构示意图；
图5为本申请实施例提供的一种支撑层的局部区域俯视示意图；
图6为本申请实施例提供的一种支撑层的局部区域放大示意图；
图7为本申请实施例提供的一种第一粘附层和支撑层的示意图；
图8为本申请实施例提供的一种显示装置1000在焊盘弯折部的截面示意图；
图9为本申请实施例提供的一种显示终端展平状态时的示意图；
图10为本申请实施例提供的一种显示终端完全折叠状态时的示意图；
图11为本申请实施例提供的一种显示终端完全折叠状态时的截面示意图；
图12为现有技术中一种显示装置处于完全折叠状态时的弯折半径示意图；
图13为本申请实施例中一种显示装置处于完全折叠状态时的弯折半径示意图；
图14为现有技术中的显示装置与本申请实施例中的显示装置处于完全折叠状态时各粘附层的应力对比示意图；
图15为现有技术中的显示装置与本申请实施例中的显示装置处于完全折叠状态时个膜层断裂风险的对比示意图。
 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。
本申请实施例提供了一种显示装置，包括：显示面板，包括第一非弯折部和第二非弯折部，以及位于第一非弯折部和第二非弯折部之间的弯折部；间隔层，整面设置于显示面板的非显示侧；支撑层，设置于间隔层远离显示面板的一侧，间隔层与支撑层贴合设置；其中，支撑层包括第一支撑部和第二支撑部，第一支撑部和第二支撑部分离设置以在第一支撑部和第二支撑部之间形成间隔空隙，间隔空隙对应弯折部设置。本申请实施例还提供了包括前述显示装置的显示终端，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装置展平状态时的膜层叠构示意图；图2为本申请实施例提供的一种显示装置完全折叠状态时的示意图；图3为本申请实施例提供的一种显示装置展平状态时的部分膜层截面示意图；图4为本申请实施例提供的一种显示装置完全折叠状态时的截面结构示意图。图3为图1中HK虚线部位的截面示意图，但图3仅仅举例示意了显示装置的部分膜层结构。图4为图2中HJ虚线部位的截面示意图，但图4仅仅举例示意了显示装置的部分膜层结构。图1中举例示意了显示装置的一种膜层堆叠示意图，但并不构成对显示装置的膜层结构的顺序、数量、材料等的限定。显示面板4或显示装置1000包括弯折部FF3，弯折部FF3的弯折轴沿第一方向X延伸，第二方向Y垂直于第一方向。
本申请实施例提供了一种显示装置1000，显示装置1000包括显示面板4、间隔层6和支撑层7，显示面板4包括第一非弯折部FF1和第二非弯折部FF2，以及位于第一非弯折部FF1和第二非弯折部FF2之间的弯折部FF3；间隔层6整面设置于显示面板4的非显示侧；支撑层7设置于间隔层6远离显示面板4的一侧，间隔层6与支撑层7贴合设置；其中，支撑层7包括第一支撑部71和第二支撑部72，第一支撑部71和第二支撑部72分离设置以在第一支撑部71和第二支撑部72之间形成间隔空隙73，间隔空隙73对应弯折部设置。
具体地，第一支撑部71和第二支撑部72分离设置于一间隔空隙73的两侧，第一支撑部71至少对应第一非弯折部FF1设置，第二支撑部72至少对应第二非弯折部FF2设置，间隔空隙73对应弯折部FF3的设置。
具体地，显示面板4可以为有机发光显示面板，但不限于此。当显示面板4为有机发光显示面板时，显示面板4可以包括基底、设置于基底上的发光层和设置于发光层上的封装层，显示面板4的结构在此不做限定。
具体地，显示面板4的非显示侧是指显示面板的背侧，或与显示面板4的出光方向相背离的一侧。
具体地，显示面板4包括第一非弯折部FF1和第二非弯折部FF2，显示面板4还可以包括两个或两个以上的弯折部。
具体地，间隔层6和支撑层7层叠贴合的设置在显示面板4的非显示侧，且支撑层7设置于间隔层6远离显示面板4的一侧。
具体地，间隔层6整面设置于显示面板4的非显示侧，即间隔层6没有图案化的设置于显示面板4的非显示侧。
具体地，支撑层7包括第一支撑部71和第二支撑部72，第一支撑部71和第二支撑部72分离设置以在第一支撑部71和第二支撑部72之间形成间隔空隙73，间隔空隙73对应弯折部设置。即支撑层7包括第一支撑部71和第二支撑部72的两部分，第一支撑部71和第二支撑部72相互不接触，第一支撑部71和第二支撑部72之间设置有一间隔空隙73。
具体地，第一支撑部71至少对应第一非弯折部FF1设置，第二支撑部72至少对应第二非弯折部FF2设置，间隔空隙73对应弯折部FF3的设置。即第一支撑部71在显示面板4上的正投影覆盖第一非弯折部FF1，第二支撑部72在显示面板4上的正投影覆盖第二非弯折部FF2，间隔空隙73在显示面板4上的正投影与弯折部FF3至少部分重叠设置。
具体地，显示面板4包括第一非弯折部FF1和第二非弯折部FF2，以及位于第一非弯折部FF1和第二非弯折部FF2之间的弯折部FF3。那么可理解的，对于显示装置1000，显示装置1000也可以包括第一非弯折部FF1和第二非弯折部FF2，以及位于第一非弯折部FF1和第二非弯折部FF2之间的弯折部FF3；那么可理解的，对于后续实施例中的显示装置显示终端2000，在显示终端2000中，显示终端2000也可以包括第一非弯折部FF1和第二非弯折部FF2，以及位于第一非弯折部FF1和第二非弯折部FF2之间的弯折部FF3，在此不再赘述。
在本实施例中，设置整面的间隔层6，间隔层6用于支撑整个显示装置1000的膜层，利于显示装置弯折，同时间隔层6平整度较高，以便在显示装置1000的各个膜层贴合时避免形成初始印痕；同时，支撑层7包括第一支撑部71和第二支撑部72，第一支撑部71和第二支撑部72分离设置于一间隔空隙73的两侧，减小了弯折部的厚度和机械强度，间隔空隙73对应弯折部FF3的设置使得显示装置1000容易弯折，减小了弯折应力，可以减小折痕发生。
实施例二
本实施例与实施例一相同或相似，不同之处在于进一步说明了显示装置1000的一些特征或实施情况。
在一些实施例中，支撑层7的厚度大于间隔层6的厚度。
具体的，如图3所示，间隔层6用于支撑整个显示装置1000的膜层，同时在弯折部参与弯折，间隔层6的厚度较小，可以使得间隔层6既能够为整个显示装置1000的膜层提供支撑，又可以进行弯折，支撑层7厚度加大，由于弯折部FF3的面积较小，第一非弯折部FF1和第二非弯折部FF2的面积较大，支撑层7可以为第一非弯折部FF1和第二非弯折部FF2提供足够的支撑作用。此外，支撑层7的厚度较厚，在显示面板4的边框弯折部弯折至显示面板4的非显示侧后，为边框弯折部提供支撑作用，在后续详细介绍。
在一些实施例中，在显示装置1000处于展平状态的情况下，间隔空隙73的宽度小于弯折部FF3的宽度。
具体地，如图3所示，间隔空隙73的宽度小于弯折部FF3的宽度，此处间隔空隙73的宽度和弯折部FF3的宽度均是指在第二方向Y上的宽度。
具体地，在显示装置1000处于展平状态的情况下，间隔空隙73的宽度小于弯折部FF3的宽度，使得第一支撑部71对应第一非弯折部FF1和弯折部FF3的部分区域，第二支撑部72对应第二非弯折部FF2和弯折部FF3的部分区域，第一支撑部71和第二支撑部72对应弯折部FF3的部分区域均参与显示面板4的弯折过程或弯折动作，缩短了间隔空隙73的宽度，在显示装置1000处于展平状态时，第一支撑部71和第二支撑部72提供了弯折部一定支撑作用，可以避免或改善折叠印痕的发生。
实施例三
本实施例与实施例二相同或相似，不同之处在于进一步说明了显示装置1000的一些特征或实施情况。
在一些实施例中，弯折部FF3包括第一过渡弯折部FF31、主弯折部FF33和第二过渡弯折部FF32，主弯折部FF33位于第一过渡弯折部FF31和第二过渡弯折部FF32之间；第一支撑部71包括第一子支撑部711和第二子支撑部712，第二支撑部72包括第三子支撑部721和第四子支撑部722，第一子支撑部711对应第一非弯折部FF1设置，第三子支撑部721对应第二非弯折部FF2设置，第二子支撑部712对应第一过渡弯折部FF31设置，第四子支撑部722对应第二过渡弯折部FF32设置，第二子支撑部712和第四子支撑部722均包括多个镂空孔701，间隔空隙73对应主弯折部FF33设置。
具体地，第二子支撑部712和第四子支撑部722均包括多个镂空孔701，即第二子支撑部712和第四子支撑部722为网格状设置。
具体地，弯折部FF3包括第一过渡弯折部FF31、主弯折部FF33和第二过渡弯折部FF32，在显示面板4或显示装置1000弯折时，主弯折部FF33为弯折中心部位，第一过渡弯折部FF31和第二过渡弯折部FF32位于主弯折部FF33的两侧。在显示面板4或显示装置1000弯折或折叠过程中，第一过渡弯折部FF31使得显示面板4从第一非弯折部FF1向主弯折部FF33平缓或平滑过渡，第二过渡弯折部FF32使得显示面板4从第二非弯折部FF2向主弯折部FF33平缓或平滑过渡，避免显示面板4断裂或出现折痕。
具体地，第一支撑部71包括第一子支撑部711和第二子支撑部712，第一子支撑部711和第二子支撑部712为相互连接的一个整体。
具体地，第二支撑部72包括第三子支撑部721和第四子支撑部722，第三子支撑部721和第四子支撑部722为相互连接的一个整体。
具体地，第一子支撑部711对应第一非弯折部FF1设置，第三子支撑部721对应第二非弯折部FF2设置，第二子支撑部712对应第一过渡弯折部FF31设置，第四子支撑部722对应第二过渡弯折部FF32设置，第一子支撑部711在显示面板4上的正投影与第一非弯折部FF1重叠，第三子支撑部721在显示面板4上的正投影与第二非弯折部FF2重叠，第二子支撑部712在显示面板4上的正投影与第一过渡弯折部FF31重叠，第四子支撑部722在显示面板4上的正投影与第二过渡弯折部FF32重叠。
具体地，间隔空隙73对应主弯折部FF33设置，间隔空隙73在显示面板4上的正投影与主弯折部FF33重叠。
具体地，第二子支撑部712和第四子支撑部722均包括多个镂空孔701，镂空孔701可以降低第二子支撑部712和第四子支撑部722的弯折刚度、机械强度，提高显示装置1000的可弯折性能。
具体地，第二子支撑部712参与第一过渡弯折部FF31的弯折，第二子支撑部712还为第一过渡弯折部FF31提供支撑，减小折叠印痕；第四子支撑部722参与第二过渡弯折部FF32的弯折，第四子支撑部722还为第二过渡弯折部FF32提供支撑，减小折叠印痕。第二子支撑部712和第四子支撑部722之间为间隔空隙73，可以减小折叠折痕。
在一些实施例中，在显示装置1000处于展平状态的情况下，间隔空隙73的宽度等于主弯折部FF33的宽度。
具体地，在显示装置1000处于展平状态的情况下，间隔空隙73在第二方向Y上的宽度等于弯折部FF3在第二方向Y上的宽度，使得间隔空隙73与显示面板4的主弯折部刚好重叠，使得第二子支撑部712和第四子支撑部722支撑作用达到最佳，间隔空隙73的有助于弯折的效果达到最佳。
在一些实施例中，间隔层6的弹性模量大于支撑层7的弹性模量。
具体地，间隔层6可以为刚性支撑层，支撑层7可以为刚性支撑层或弹性支撑层，且支撑层7的厚度较厚。
具体地，间隔层6的弹性模量大于支撑层7的弹性模量，间隔层6提供整面支撑，起到主要支撑作用，支撑层7在对应区域起到辅助支撑作用，第二子支撑部712和第四子支撑部722的弹性模量较小，为第一过渡弯折部FF31和第二过渡弯折部FF32提供一定的缓冲作用。
实施例四
本实施例与实施例三相同或相似，不同之处在于进一步说明了显示装置1000的一些特征或实施情况，特别是镂空孔701的多个设置情况。
请参阅图5、图6，图5为本申请实施例提供的一种支撑层的局部区域俯视示意图；图6为本申请实施例提供的一种支撑层的局部区域放大示意图。图6为图5中虚线框702区域的放大示意图，图6放大示意说明了镂空孔701的形状。
在一些实施例中，弯折部FF3的弯折轴在第一方向X上延伸；多个镂空孔701在第一方向X上的长度大于在第二方向Y上的长度，第二方向Y垂直于第一方向X；第二子支撑部712的多个镂空孔701和第四子支撑部722的多个镂空孔701均在第二方向Y上错位分布。
具体地，如图1和图3所示，显示面板4或显示装置1000包括弯折部FF3，弯折部FF3的弯折轴沿第一方向X延伸，第二方向Y垂直于第一方向。
具体地，多个镂空孔701在第一方向X上的长度大于在第二方向Y上的长度，可以减小第二子支撑部712和第四子支撑部722在第二方向的弯折应力，减小折痕。
具体地，第二子支撑部712的多个镂空孔701和第四子支撑部722的多个镂空孔701均在第二方向Y上错位分布，可以减小第二子支撑部712和第四子支撑部722在第二方向的弯折应力，减小折痕，同时当显示装置1000经过多次反复折叠后，由于镂空孔701错位阻挡，可以避免第二子支撑部712和第四子支撑部722中的裂纹扩散，可以避免第二子支撑部712和第四子支撑部722断裂。
在一些实施例中，第二子支撑部712的多个镂空孔701的镂空密度沿第二方向Y靠近主弯折部FF33逐渐增大；第四子支撑部722的多个镂空孔701的镂空密度沿第二方向Y靠近主弯折部FF3逐渐增大。具体地，在显示面板4或显示装置1000的折叠过程中，越靠近主弯折部FF3的弯折角度越大，弯折程度越大，弯折应力或折叠应力就越大，第二子支撑部712的多个镂空孔701的镂空密度沿第二方向Y靠近主弯折部FF33逐渐增大，第四子支撑部722的多个镂空孔701的镂空密度沿第二方向Y靠近主弯折部FF3逐渐增大，可以减小第二子支撑部712和第四子支撑部722在靠近主弯折部FF3方向上的弯折强度、机械强度，提供良好的弯折性能，更容易弯折，减小折痕发生。
具体地，进一步地，通过设计镂空孔701的网格的尺寸设计和排列方式，或者可以理解为依据显示装置1000弯折时具体的弧度或曲率值，设计一种渐变的图形结构，调节支撑层7对应第一过渡弯折区FF31和第二过渡弯折区FF32的弯折模量，从而管控支撑层7的第二子支撑部712和第四子支撑部722的弯折刚度，进而控制或协调显示装置1000的弯折的形态或曲率，以此改善折痕和降低水滴型弯折形态的显示装置1000过渡弯折弧段出现层间脱粘的风险；同时，在后续实施例中的显示终端2000中，支撑层7阻隔显示终端2000的中框壳体1与显示装置1000的弯折部位的粘胶贴合面硬性接触应力，从而降低印痕产生的概率。
具体地，单个镂空孔701在第一方向X上的长度越大，则等效的拉伸模量越小，相邻的镂空孔701之间的间距越大，模量则越大，相应地弯折刚度也越大；通过此种方式，渐变式地降低支撑层7参与弯折部FF3的弯折刚度，缓解第二层支撑层7与中框壳体1贴合时或长时间弯折疲劳后产生的印痕问题，同时也可以管控显示装置1000的水滴型弯折形态。
在一些实施例中，在第二方向Y上，多个镂空孔701的宽度相同；第二子支撑部712的多个镂空孔701在第一方向X上的长度沿第二方向Y靠近主弯折部FF33逐渐增大，第四子支撑部722的多个镂空孔701在第一方向X上的长度沿第二方向Y靠近主弯折部FF33逐渐增大。
具体地，通过第二子支撑部712的多个镂空孔701在第一方向X上的长度沿第二方向Y靠近主弯折部FF33逐渐增大，使得第二子支撑部712沿第二方向Y靠近主弯折部FF33的实心密度减小；通过第四子支撑部722的多个镂空孔701在第一方向X上的长度沿第二方向Y靠近主弯折部FF33逐渐增大，使得第四子支撑部722沿第二方向Y靠近主弯折部FF33的实心密度减小，可以减小第二子支撑部712和第四子支撑部722在靠近主弯折部FF3方向上的弯折强度、机械强度，提供良好的弯折性能，更容易弯折，减小折痕发生。
在一些实施例中，任一镂空孔701在第一方向X上的长度为第一长度值，任一镂空孔701与在第一方向X上任一侧相邻的镂空孔701之间的间距为第二长度值，镂空孔701的第一长度值与对应的第二长度值之和为固定值K0。
具体地，如图6所示，多个镂空孔701包括第一镂空孔7011、第二镂空孔7012和第三镂空孔7013。第一镂空孔7011的第一长度值为K1，第一镂空孔对应的第二长度值为K2，K1与K2的和为固定值K0；第二镂空孔7012的第一长度值为K3，第二镂空孔7012对应的第二长度值为K4，K3与K4的和为固定值K0；第三镂空孔7013的第一长度值为K5，第三镂空孔7013对应的第二长度值为K6，K5与K6的和为固定值K0。
具体地，镂空孔701的第一长度值与对应的第二长度值之和为固定值K0，可以使得第二子支撑部712和第四子支撑部722在靠近主弯折部FF3方向上实心密度、镂空密度、弯折刚度均匀渐变，且符合和匹配弯折部FF3在弯折时的应力变化规律，可以减小折痕，且便于弯折和折叠。在一些实施例中，支撑层7远离间隔层6的表面呈中心对称结构。
具体地，显示面板4在弯折部FF3，或显示面板4在弯折时，弯折应力呈中心对称分布，支撑层7远离间隔层6的表面呈中心对称结构，可以使得支撑层7的实心密度、镂空密度、弯折刚度更好的符合和匹配弯折部FF3在弯折时的应力变化规律，可以减小折痕，且便于弯折和折叠。
实施例五
本实施例与上述实施例中任一项的显示装置1000相同或相似，不同之处在于进一步说明了显示装置1000的一些特征或实施情况。
请参阅图7、图8，图7为本申请实施例提供的一种第一粘附层和支撑层的示意图；图8为本申请实施例提供的一种显示装置1000在焊盘弯折部的截面示意图。
在一些实施例中，显示装置1000还包括第一粘附层211，第一粘附层211包括第一粘附部2111和第二粘附部2112，第一支撑部71通过第一粘附部2111贴合间隔层6，第二支撑部72通过第二粘附部2112贴合间隔层6，第一粘附部2111和第二粘附部2112对应间隔空隙73分离设置；第一粘附部2111和第二粘附部2112均为非镂空设置。
具体地，第一粘附层211可以为光学胶层（OCR、OCA）等，在此不做限定。
具体地，第一粘附部2111和第二粘附部2112对应间隔空隙73分离设置，可以理解的为间隔空隙73贯穿第一粘附层211，且第一粘附部2111和第二粘附部2112分布在间隔空隙73两侧而分离设置。
具体地，第一粘附部2111和第二粘附部2112均为非镂空设置，可以为支撑层7提供一个良好的贴附平面，使得支撑层7靠近间隔层6的表面处于同一平面，有助于保持显示面板4的平整性。
在一些实施例中，间隔层6的材料和支撑层7的材料分别包括不锈钢、碳纤维、钛合金、镁铝合金、镍合金、聚酯纤维和亚克力中至少一种。
具体地，间隔层6的材料和支撑层7的材料可以相同或不同，间隔层6的材料和支撑层7的材料可以分别包括不锈钢、碳纤维、钛合金、镁铝合金、镍合金、聚酯纤维和亚克力中至少一种，间隔层6的材料和支撑层7的材料还可以为其他适合的材料，在此不做限定。
请参阅图8，显示装置1000包括焊盘弯折部BB1，焊盘弯折部BB1上设置有焊盘端子（图未示意），焊盘端子用与柔性电路板、驱动芯片等连接，焊盘弯折部BB1弯折至显示面板或显示装置的非显示侧，可以减小边框，焊盘弯折部BB1可以为现有技术中任一种设置，焊盘弯折部BB1在此不再赘述。
如图8所示，焊盘弯折部BB1弯折至显示面板4或显示装置1000的非显示侧，并通过贴附、粘合等方式固定设置在显示面板4或显示装置1000的非显示侧，支撑层7的作用，特别是支撑层7的厚度较厚时支撑层7的作用还包括：阻隔或减缓焊盘弯折部BB1弯折和固定设置过程中压应力过大导致第一层支撑层7产生应力印痕的风险。
在一些实施例中，显示装置1000还包括背板层31、泡棉层32，背板层31设置于间隔层6和显示面板4之间；泡棉层32设置于背板层31和间隔层6之间；显示面板4、背板层31、泡棉层32、间隔层6和支撑层7中相邻的两个贴合设置。
具体地，显示装置1000还包括背板层31、泡棉层32，背板层31、泡棉层32、间隔层6和支撑层7为显示面板4或显示装置1000提供完整的支撑、缓冲、折叠等性能支持。
进一步地，间隔层6为平整度较高的金属薄板或高分子复合材料板。
进一步地，在显示装置1000的制造过程中，先将间隔层6和支撑层7贴合为一个整体，然后将间隔层6和支撑层7的整体贴合在显示面板4的非显示侧。
如图1和图8所示，举例示意了显示装置1000的一种叠构设置，在图1和图8中，图1和图8包括依次层叠设置的：支撑层7、间隔层6、泡棉层32、背板层31、显示面板4、偏光片41、盖板42（Cover glass，CG），相邻的层叠结构之间可以通过粘附层21贴合设置，粘附层21包括第一粘附层211，显示装置1000还可以为其他层叠结构的设置，例如显示装置1000可以不包括偏光片41。
实施例六
本实施例提供了一种显示终端2000，显示终端2000包括上述实施例中的任一项的显示装置1000。
请参阅图9、图10、图11，图9为本申请实施例提供的一种显示终端展平状态时的示意图；图10为本申请实施例提供的一种显示终端完全折叠状态时的示意图；图11为本申请实施例提供的一种显示终端完全折叠状态时的截面示意图。图11为图10中HQ虚线部位的截面示意图，但图11仅仅举例示意了显示装置的部分膜层结构。显示终端2000的弯折轴或折叠轴与显示面板4或显示装置1000的弯折轴或折叠轴相同，显示终端2000的弯折轴或折叠轴沿第一方向X延伸，第二方向Y垂直于第一方向。
本申请实施例提供了一种显示终端2000，显示终端2000包括上述实施例中的任一项的显示装置1000，以及中框壳体1和转动机构3。中框壳体1设置于支撑层7远离显示面板4的一侧，中框壳体1包括第一中框11和第二中框12，第一中框11至少与第一非弯折部FF1对应设置，第二中框12至少与第二非弯折部FF2对应设置，在显示装置1000处于展平状态时，第一中框11与第二中框12对应弯折部FF3抵接；转动机构3容纳在中框壳体1中，且与第一中框壳体11及第二中框12连接，在显示装置1000处于展平状态时，转动机构3设置于显示面板4的弯折部FF3和中框壳体1之间。
具体地，中框壳体1设置于支撑层7远离显示面板4的一侧，是指中框壳体1的主要部位设置于支撑层7远离显示面板4的一侧，中框壳体1包括容纳结构时，显示面板4或显示装置1000可以至少部分容纳在中框壳体1内。
具体地，转动机构3用于使得显示装置1000或显示终端2000可以弯折或折叠。
具体地，显示面板、或显示装置1000、或显示终端2000处于展平状态时，是指显示面板、或显示装置1000、或显示终端2000处于非弯折状态。显示面板、或显示装置1000、或显示终端2000处于完全折叠状态时，是指显示面板、或显示装置1000、或显示终端2000处于最大弯折状态或折叠状态，显示面板、或显示装置1000、或显示终端2000的最大弯折或最大折叠角度可以为180度。
具体地，在显示装置1000处于展平状态时，第一中框11与第二中框12对应弯折部FF3抵接，使得第一中框11与第二中框12之间无缝隙，可防止外界灰尘及异物、颗粒物等进入，从而起到保护显示装置1000的作用与效果。
具体地，在显示装置1000处于展平状态时，第一中框11与第二中框12对应弯折部FF3抵接；此时，第一中框11对应第一非弯折部FF1、第一过渡弯折部FF31，以及主弯折部FF33的部分区域；第二中框12对应第二非弯折部FF2、第二过渡弯折部FF32，以及主弯折部FF33的部分区域。
具体地，转动机构3容纳在中框壳体1中，且与第一中框壳体11及第二中框12连接，在显示装置1000处于展平状态时，转动机构3设置于显示面板的弯折部FF3和中框壳体1之间，转动机构3可以基本或完全与弯折部FF3对应设置。
具体地，转动机构3可以为现有技术中任一种的转动铰链等机构和装置，在此不做限定。
在一些实施例中，弯折部FF3包括第一过渡弯折部FF31、主弯折部FF33和第二过渡弯折部FF32，主弯折部FF33位于第一过渡弯折部FF31和第二过渡弯折部FF32之间；转动机构3包括铰链安装基座301，铰链安装基座301包括一弧形的容纳槽3011，显示装置1000处于完全折叠状态时，主弯折部FF33、第一过渡弯折部FF31的靠近第二过渡弯折部FF32的边缘部位和第二过渡弯折部FF32的靠近第一过渡弯折部FF31的边缘部位均收容于容纳槽3011内。
具体地，如图11所示，转动机构3包括铰链安装基座301，铰链安装基座301包括一弧形的容纳槽3011，显示装置1000处于完全折叠状态时，主弯折部FF33、第一过渡弯折部FF31的靠近第二过渡弯折部FF32的边缘部位和第二过渡弯折部FF32的靠近第一过渡弯折部FF31的边缘部位均收容于容纳槽3011内，铰链安装基座301可以起到保护主弯折部FF33的作用，例如显示终端摔落、堕落至地面上时，第一过渡弯折部FF31的靠近第二过渡弯折部FF32的边缘部位和第二过渡弯折部FF32的靠近第一过渡弯折部FF31的边缘部位均收容于容纳槽3011内，使得铰链安装基座301的容纳槽3011接触的是第一过渡弯折部FF31的靠近第二过渡弯折部FF32的边缘部位和第二过渡弯折部FF32的靠近第一过渡弯折部FF31的边缘部位，铰链安装基座301的容纳槽3011不会接触主弯折部FF33与第一过渡弯折部FF31相邻的部位和主弯折部FF33与第二过渡弯折部FF32相邻的部位，从而避免主弯折部FF33在摔落、堕落中损坏，起到保护主弯折部FF33的作用。
需要说明的是，请参阅图12、图13、图14、图15，图12为现有技术中一种显示装置处于完全折叠状态时的弯折半径示意图；图13为本申请实施例中一种显示装置处于完全折叠状态时的弯折半径示意图；图14为现有技术中的显示装置与本申请实施例中的显示装置处于完全折叠状态时各粘附层的应力对比示意图；图15为现有技术中的显示装置与本申请实施例中的显示装置处于完全折叠状态时个膜层断裂风险的对比示意图。图12、图13、图14、图15均是通过仿真软件仿真得到。对比图12和图13，本申请实施例中的显示装置的第一过渡弯折部FF31和第二过渡弯折部FF32得到较优的改善，经过本申请实施例优化后，第一过渡弯折部FF31和第二过渡弯折部FF32更加平缓，如图12和图13中标识的第一过渡弯折部FF31和第二过渡弯折部FF32的第一弯折半径R1值变大，从而避免了主弯折部FF33的弯折尖角的形貌存在，即主弯折部FF33的第二弯折半径R2值也变大或变平缓，主弯折部FF33的受力状态得到有效的缓和，且弧度更为连续，通过本申请实施例的设置，达到有效降低主弯折部FF33的各个膜层材料剥离、断裂、裂纹的风险。
需要说明的是，请继续参阅图14和图15，图14中横坐标表示显示装置中各个粘附层（各个粘附层OCA1、OCA2、OCA3、OCA4、OCA5、OCA6对应图1中的多个粘附层21），图14中纵坐标表示应力大小（Pressure），图15中纵坐标表示显示装置中膜层断裂风险（Longitidunal strain），图14和图15对比了现有技术中的第一种显示装置（图14和图15中的Initial design项）、本申请实施例中的显示装置（图14和图15中的Optimal design项）和现有技术中的第二种显示装置（图14和图15中的reference value项，对应图12的结构）；从图14中可以看出，本申请实施例中的显示装置中的各个粘附层受到的应力均有减小和改善；从图15中可以看出，本申请实施例中的显示装置中的各个粘附层发生剥离的应力值也显著降低，显示装置1000的膜层断裂的风险得到显著降低。
以上对本申请实施例所提供的一种显示装置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. 一种显示装置，其中，包括：
    显示面板，包括第一非弯折部和第二非弯折部，以及位于所述第一非弯折部和所述第二非弯折部之间的弯折部；
    间隔层，整面设置于所述显示面板的非显示侧；
    支撑层，设置于所述间隔层远离所述显示面板的一侧，所述间隔层与所述支撑层贴合设置；
    其中，所述支撑层包括第一支撑部和第二支撑部，所述第一支撑部和所述第二支撑部分离设置以在所述第一支撑部和所述第二支撑部之间形成间隔空隙，所述间隔空隙对应所述弯折部设置。
  2. 如权利要求1所述的显示装置，其中，所述支撑层的厚度大于所述间隔层的厚度。
  3. 如权利要求1所述的显示装置，其中，在所述显示装置处于展平状态的情况下，所述间隔空隙的宽度小于所述弯折部的宽度。
  4. 如权利要求3所述的显示装置，其中，所述弯折部包括第一过渡弯折部、主弯折部和第二过渡弯折部，所述主弯折部位于所述第一过渡弯折部和所述第二过渡弯折部之间；
    所述第一支撑部包括第一子支撑部和第二子支撑部，所述第二支撑部包括第三子支撑部和第四子支撑部，所述第一子支撑部对应所述第一非弯折部设置，所述第三子支撑部对应所述第二非弯折部设置，所述第二子支撑部对应所述第一过渡弯折部设置，所述第四子支撑部对应所述第二过渡弯折部设置，所述第二子支撑部和所述第四子支撑部均包括多个镂空孔，所述间隔空隙对应所述主弯折部设置。
  5. 如权利要求4所述的显示装置，其中，在所述显示装置处于展平状态的情况下，所述间隔空隙的宽度等于所述主弯折部的宽度。
  6. 如权利要求1所述的显示装置，其中，所述间隔层的弹性模量大于所述支撑层的弹性模量。
  7. 如权利要求4所述的显示装置，其中，所述弯折部的弯折轴在第一方向上延伸；
    多个所述镂空孔在所述第一方向上的长度大于在第二方向上的长度，所述第二方向垂直于所述第一方向；
    所述第二子支撑部的多个所述镂空孔和所述第四子支撑部的多个所述镂空孔均在所述第二方向上错位分布。
  8. 如权利要求7所述的显示装置，其中，所述第二子支撑部的多个所述镂空孔的镂空密度沿所述第二方向靠近所述主弯折部逐渐增大；所述第四子支撑部的多个所述镂空孔的镂空密度沿所述第二方向靠近所述主弯折部逐渐增大。
  9. 如权利要求8所述的显示装置，其中，在所述第二方向上，多个所述镂空孔的宽度相同；
    所述第二子支撑部的多个所述镂空孔在所述第一方向上的长度沿所述第二方向靠近所述主弯折部逐渐增大，所述第四子支撑部的多个所述镂空孔在所述第一方向上的长度沿所述第二方向靠近所述主弯折部逐渐增大。
  10. 如权利要求9所述的显示装置，其中，任一所述镂空孔在所述第一方向上的长度为第一长度值，任一所述镂空孔与在所述第一方向上任一侧相邻的所述镂空孔之间的间距为第二长度值，所述镂空孔的所述第一长度值与对应的所述第二长度值之和为固定值。
  11. 如权利要求4所述的显示装置，其中，所述支撑层远离所述间隔层的表面呈中心对称结构。
  12. 如权利要求4所述的显示装置，其中，还包括第一粘附层，所述第一粘附层包括第一粘附部和第二粘附部，所述第一支撑部通过所述第一粘附部贴合所述间隔层，所述第二支撑部通过所述第二粘附部贴合所述间隔层，所述第一粘附部和所述第二粘附部对应所述间隔空隙分离设置；
    所述第一粘附部和所述第二粘附部均为非镂空设置。
  13. 如权利要求1所述的显示装置，其中，所述间隔层的材料和所述支撑层的材料分别包括不锈钢、碳纤维、钛合金、镁铝合金、镍合金、聚酯纤维和亚克力中至少一种。
  14. 如权利要求1所述的显示装置，其中，还包括：
    背板层，设置于所述间隔层和所述显示面板之间；
    泡棉层，设置于所述背板层和所述间隔层之间；
    所述显示面板、所述背板层、所述泡棉层、所述间隔层和所述支撑层中相邻的两个贴合设置。
  15. 一种显示终端，其中，包括显示装置，其中，所述显示装置包括：
    显示面板，包括第一非弯折部和第二非弯折部，以及位于所述第一非弯折部和所述第二非弯折部之间的弯折部；
    间隔层，整面设置于所述显示面板的非显示侧；
    支撑层，设置于所述间隔层远离所述显示面板的一侧，所述间隔层与所述支撑层贴合设置；
    其中，所述支撑层包括第一支撑部和第二支撑部，所述第一支撑部和所述第二支撑部分离设置以在所述第一支撑部和所述第二支撑部之间形成间隔空隙，所述间隔空隙对应所述弯折部设置；
    所述显示终端还包括：
    中框壳体，所述中框壳体设置于所述支撑层远离所述显示面板的一侧，所述中框壳体包括第一中框和第二中框，第一中框至少与所述第一非弯折部对应设置，所述第二中框至少与所述第二非弯折部对应设置，在所述显示装置处于展平状态时，所述第一中框与所述第二中框在对应所述弯折部处抵接；
    转动机构，容纳在所述中框壳体中，且与所述第一中框壳体及所述第二中框连接，在所述显示装置处于展平状态时，所述转动机构设置于所述显示面板的所述弯折部和所述中框壳体之间。
  16. 如权利要求15所述的显示终端，其中，所述弯折部包括第一过渡弯折部、主弯折部和第二过渡弯折部，主弯折部位于所述第一过渡弯折部和所述第二过渡弯折部之间；
    所述转动机构包括铰链安装基座，所述铰链安装基座包括一弧形的容纳槽，所述显示装置处于完全折叠状态时，所述主弯折部、所述第一过渡弯折部的靠近所述第二过渡弯折部的边缘部位和所述第二过渡弯折部的靠近所述第一过渡弯折部的边缘部位均收容于所述容纳槽内。
  17. 如权利要求15所述的显示终端，其中，所述支撑层的厚度大于所述间隔层的厚度。
  18. 如权利要求15所述的显示终端，其中，在所述显示装置处于展平状态的情况下，所述间隔空隙的宽度小于所述弯折部的宽度。
  19. 如权利要求18所述的显示终端，其中，所述弯折部包括第一过渡弯折部、主弯折部和第二过渡弯折部，所述主弯折部位于所述第一过渡弯折部和所述第二过渡弯折部之间；
    所述第一支撑部包括第一子支撑部和第二子支撑部，所述第二支撑部包括第三子支撑部和第四子支撑部，所述第一子支撑部对应所述第一非弯折部设置，所述第三子支撑部对应所述第二非弯折部设置，所述第二子支撑部对应所述第一过渡弯折部设置，所述第四子支撑部对应所述第二过渡弯折部设置，所述第二子支撑部和所述第四子支撑部均包括多个镂空孔，所述间隔空隙对应所述主弯折部设置。
  20. 如权利要求15所述的显示终端，其中，所述间隔层的弹性模量大于所述支撑层的弹性模量。
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