WO2022042036A1 - 显示组件及显示装置 - Google Patents

显示组件及显示装置 Download PDF

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Publication number
WO2022042036A1
WO2022042036A1 PCT/CN2021/104429 CN2021104429W WO2022042036A1 WO 2022042036 A1 WO2022042036 A1 WO 2022042036A1 CN 2021104429 W CN2021104429 W CN 2021104429W WO 2022042036 A1 WO2022042036 A1 WO 2022042036A1
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WO
WIPO (PCT)
Prior art keywords
hollow
layer
display module
flexible display
support layer
Prior art date
Application number
PCT/CN2021/104429
Other languages
English (en)
French (fr)
Inventor
周鹏飞
祝尚杰
孙宝锋
杨艳艳
王博
王艳丽
刘伟
Original Assignee
京东方科技集团股份有限公司
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.)
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Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US17/921,604 priority Critical patent/US20230176621A1/en
Publication of WO2022042036A1 publication Critical patent/WO2022042036A1/zh

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    • 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
    • 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
    • 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
    • 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
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • 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
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges

Definitions

  • the present application relates to the field of display technology, and in particular, to a display component and a display device.
  • the present application discloses a display assembly and a display device, and aims to provide a support solution for a flexible screen, so as to improve the bending and support performance of the flexible screen.
  • a display assembly comprising:
  • a carrying component configured to carry the flexible display module and drive the flexible display module to bend or fold
  • each supporting layer can be bent and has resilience, and each supporting layer has a hollow pattern;
  • the hollow pattern of each supporting layer is different in at least one of the following properties: The area of the hollowed-out part, the shape of the hollowed-out part, and the position of the hollowed-out part;
  • the flexible display module is located on the side of the at least two supporting layers away from the carrying component.
  • the hollow pattern of each supporting layer includes at least one hollow area, and the hollow area includes a plurality of hollow parts distributed in an array.
  • the areas of the hollow parts in each support layer are different.
  • the area of the hollow portion in each support layer increases sequentially.
  • the hollow parts in each support layer correspond one-to-one, and the orthographic projections of the corresponding hollow parts on the flexible display module at least partially overlap.
  • the centers of the orthographic projections of the corresponding hollow portions on the flexible display module are coincident.
  • the orthographic projection of the hollow portion of the support layer near the inside of the bend or fold on the flexible display module the orthographic projection of the hollow portion of the support layer near the outside of the bend or fold on the flexible display module Inside.
  • the orthographic projections of the hollow parts in each support layer on the flexible display module are staggered.
  • the shape and area of the hollow parts in each support layer are the same.
  • the shape of the hollow portion in each support layer is the same; the shape of the hollow portion is a bar shape, and the extension direction of the bar shape is consistent with the bending or folding axis direction of the flexible display module.
  • the shape of the hollow portion in each support layer is different; the shape of the hollow portion includes at least one of a bar shape, a rectangle shape, a diamond shape, and an oval shape.
  • the display assembly further includes a foam rubber layer located between the at least two supporting layers and the flexible display module, and a layer of supporting layers adjacent to the flexible display module and the flexible display module. pasted through the foam glue layer;
  • a layer of support layer adjacent to the carrier component is bonded to the carrier component by gluing.
  • the adjacent support layers are bonded by gluing, or the at least two support layers are integrally formed.
  • the bearing assembly includes a first middle frame and a second middle frame, and a rotating shaft assembly located between the first middle frame and the second middle frame, and the first middle frame and the second middle frame can be respectively wound around.
  • the rotating shaft assembly is rotated to realize folding or unfolding;
  • the at least two support layers include two of the support layers.
  • each support layer is 0.01mm-0.15mm.
  • each support layer is a stainless steel material layer.
  • a display device comprising the display assembly according to any one of the above.
  • FIG. 1 is a schematic cross-sectional structure diagram of a display assembly in an inwardly bent state according to an embodiment of the present application
  • FIG. 2 is a schematic cross-sectional structure diagram of a display assembly provided in another embodiment of the present application in an outwardly bent state;
  • FIG. 3 is a schematic structural diagram of a two-layer support in a display assembly according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a display assembly in a flattened state according to another embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a two-layer support in a display assembly provided by another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a support layer in a display assembly provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a support layer in a display assembly provided by another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a support layer in a display assembly provided by another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a support layer in a display assembly according to another embodiment of the present application.
  • an embodiment of the present application provides a display assembly, including:
  • the carrier assembly 1 is configured to carry the flexible display module 3 and drive the flexible display module 3 to bend or fold;
  • each supporting layer 2 can be bent and has resilience, and each supporting layer 2 has a hollow pattern;
  • the hollow pattern of each supporting layer 2 is at least the following One with different properties: the area of the hollow part 20, the shape of the hollow part 20, and the position of the hollow part 20;
  • the flexible display module 3 is located on the side of the at least two supporting layers 2 away from the carrying component 1 .
  • the entire support layer 2 is used as the screen support structure between the bearing assembly 1 and the flexible display module 3, which can achieve good bending performance in the bending or folded hinge area, and It provides good flatness when displaying the screen, and is a flexible screen support solution with good performance and yield.
  • at least two support layers 2 are developed in a three-dimensional direction, that is, the support for the flexible screen can be improved by stacking multiple layers, and the hollow part 20 of each support layer 2 can be improved by stacking multiple layers.
  • different settings flexibly adjust the bending and support, and further effectively improve the overall bending performance and support performance of the support, so as to achieve a more excellent screen support technical effect, and solve the screen module support structure of curved and foldable terminal display products. demand.
  • each support layer 2 is a stainless steel material layer (SUS).
  • the stainless steel material layer (SUS) can be bent and has springback properties, and has good properties such as high hardness, good toughness, high temperature and corrosion resistance, and is a good material for the flexible screen support layer 2 .
  • the display assembly is a foldable display assembly, wherein the carrier assembly 1 includes a first middle frame 11 and a second middle frame 12 , and is located in the first middle frame. 11 and the second middle frame 12 between the shaft assembly 13, the first middle frame 11 and the second middle frame 12 can be rotated around the shaft assembly 13 to achieve folding or unfolding, to drive the flexible display module 3 folds.
  • the display assembly can also be a bendable assembly or a rollable assembly, so as to drive the flexible display module 3 to bend or roll.
  • the at least two layers of support layers 2 may include two layers of the support layers 2 ; alternatively, the at least two layers of support layers 2 may include three layers or four layers, and of course, more layers of support layers 2 may be included. .
  • the thickness of each layer of the support layer 2 is 0.01mm-0.15mm.
  • each support layer 2 and the number of layers of the support layer 2 can be selected according to factors such as the thickness requirement required for actual support and the processing technology level of the support layer 2.
  • the hollow pattern of each supporting layer 2 includes at least one hollow area, and the hollow area includes a plurality of hollow parts 20 distributed in an array.
  • the hollow area of the support layer 2 is an area composed of hollow parts 20 distributed in an array.
  • the area formed by the hollow parts 20 included in each dotted frame in FIG. 6 and FIG. 7 is a hollow area 200 .
  • the hollow area 200 can be arranged at the position where the support layer 2 needs to be bent or bent, and the number and location of the hollow area 200 can correspond to the number and position of the bending area of the flexible display module.
  • the flexible display module is a foldable display device with a bent portion, then the support layer 2 may be provided with a hollow area 200 at the position of the bent portion; or, as shown in FIG. 7 .
  • the flexible display module has three bending parts
  • the support layer 2 can be respectively provided with three hollow areas 200 at the positions of the three bending parts.
  • the hollow portion 20 may also be provided on the entire area (the bending area and the non-bending area) of the supporting layer 2 , as shown in FIG. 1 , FIG. 2 and FIG. 4 , at this time, the entire supporting layer 2
  • the hollows 20 on the area constitute a hollowed-out area.
  • the hollow portions 20 distributed in the array can not only ensure the overall support performance of each support layer 2, but also enable each support layer 2 to have better flexibility and improve its bending and folding performance.
  • the pattern of the hollow portions 20 distributed in the array is relatively simple, which is convenient for processing and manufacturing, and has a low cost.
  • the shape of the hollow portion 20 in each layer of the support layer 2 may be the same, and specifically may be a bar shape, such as the hollow portion 20 shown in FIG. 3 and FIG.
  • the bending or folding axis direction of the display module is consistent; that is, the hollow part 20 in each support layer 2 is a strip-shaped hollow part 20, and the extension direction of the strip-shaped hollow part 20 is the same as the bending or folding of the flexible display module.
  • axis direction is the same.
  • 'consistent direction' includes both being completely parallel and allowing certain errors. For example, if the included angle between the two extending directions is less than a certain angle, it can be called the same, for example, the included angle is less than 10 degrees.
  • the folding display assembly as an example, as shown in FIG. 1 , FIG. 2 and FIG. 4 , the first middle frame 11 and the second middle frame 12 are rotated around the shaft assembly 13 to drive the flexible display module 3 to fold or unfold , the bending or folding axis direction of the flexible display module 3 is the direction parallel to the rotating shaft in the rotating shaft assembly 13 .
  • the above-mentioned axis direction is the direction parallel to the scroll shaft.
  • the extending direction of the hollow portion is consistent with the bending or folding axis direction, which can effectively improve the bending and folding performance of the support layer, thereby improving the overall bending yield and effect of the display assembly.
  • the areas of the hollows 20 in each support layer 2 are different.
  • the hollow portion 20 of each support layer 2 is a strip-shaped hollow portion 20 whose extension direction is consistent with the bending or folding axis direction.
  • the hollow parts 20 have the same width C and different lengths A, and thus have different areas.
  • the width C of the strip-shaped hollow portion 20 of each support layer 2 may be different, and the length A may be the same or different, such as shown in FIG. 1 and FIG. 2 , so that the area of the hollow portion 20 is different.
  • the area of the hollow portion 20 of each support layer 2 increases sequentially.
  • 'inner side' refers to the side of the surface that is hidden inside after being bent or folded;
  • 'outer side' refers to the side of the surface that is exposed after bending or folding.
  • the hollow parts 20 in each support layer 2 are in one-to-one correspondence, and the orthographic projections of the corresponding hollow parts 20 on the flexible display module 3 at least partially overlap; That is, the distribution positions of the hollow portions 20 of each support layer 2 are the same.
  • the centers of the orthographic projections of the corresponding hollow portions 20 in each support layer 2 on the flexible display module 3 overlap.
  • at least part of the borders of the hollow portions 20 corresponding to each other in each support layer 2 may be aligned.
  • the strip-shaped hollow part 20 of each support layer 2 has the same width C and different length A, and the support layers 2 correspond to each other.
  • the two borders of the hollow part in the width C direction are aligned, and the midpoints in the length A direction are aligned.
  • the lengths A and the widths C of the strip-shaped hollow portions 20 of each support layer 2 may also be different. Dot Alignment setting.
  • the hollow part 20 of 2 is in the orthographic projection of the flexible display module 3 .
  • the flexible display module 3 and the supporting layer 2 are bent or folded along with the carrying assembly 1 .
  • the support layer 2 on the outside of the folded or folded side has a larger tensile deformation and has a greater requirement for tensile performance, while the support layer 2 near the inner side where the bending or fold occurs has a lower requirement on the tensile performance.
  • the support layer 2 near the outer side where the bending or folding occurs has a relatively larger area of the hollow portion 20
  • the supporting layer 2 near the inner side where the bending or folding occurs has a relatively small hollow portion 20 area. The bending performance of the support layer 2 is improved, and good support for the flexible display module 3 can be provided when the screen is unfolded.
  • the foldable display assembly includes two supporting layers 2 . specific:
  • the flexible display module 3 and each support layer 2 are located between the first middle frame 11 and the second middle frame 12 of the bearing assembly 1 ;
  • the support layer 2 of the carrier assembly 1 is located on the outside of the fold, and its tensile performance is required to be greater.
  • the support layer 2 has a larger hollow portion 20, and the support layer 2 close to the flexible display module 3 is located on the inside of the fold. The requirement for folding is reduced, and the support layer 2 has a smaller hollow portion 20, which mainly provides the support when the screen is unfolded.
  • the flexible display module 3 and each support layer 2 are sequentially wrapped on the outside of the first middle frame 11 and the second middle frame 12 ; among the two layers of support layers 2 , close to the flexible display module
  • the support layer 2 of group 3 is located on the outside of the fold, and its tensile performance is required to be greater.
  • the support layer 2 has a larger hollow portion 20, and the support layer 2 close to the carrier assembly 1 is located on the inside of the fold, and its bending requirements are relatively reduced.
  • the support layer 2 has a small hollow part 20, which mainly provides the support when the screen is unfolded.
  • the display assembly includes two layers of support layers 2, as shown in (a) and (b) of FIG.
  • the extending direction of the bar-shaped hollow portions 20 is the row direction, and the hollow portions 20 in adjacent rows are arranged staggered from each other.
  • the length A of the hollow part 20 can be in the range of 1mm-10mm
  • the width C of the hollow part 20 can be in the range of 0.1mm-1mm
  • the distance B between the adjacent hollow parts 20 along the length direction of the hollow part 20 can be 0.1 mm to 10 mm
  • the distance D between adjacent rows of hollow parts 20 in the width direction of the hollow parts 20 may be 0.1 mm to 1 mm.
  • the patterns of the hollow parts 20 of the two layers of support layers 2 can be respectively shown in (a) and (b) of FIG. 3 , wherein, as shown in (a) of FIG.
  • the length A of the part 20 is 4.3 mm, and the distance B between the adjacent hollow parts 20 along the length direction of the hollow part 20 is 1.1 mm; as shown in (b) of FIG.
  • the length A of 20 is 5.3 mm, and the distance B between adjacent hollow parts 20 along the length direction of the hollow part 20 is 0.1 mm;
  • the distances D between them are equal.
  • the width C of the hollow parts 20 may be 0.2 mm, and the distance D between adjacent hollow parts 20 in the width direction may be 0.1 mm.
  • each support layer 2 includes a plurality of hollow parts 20 distributed in an array, but the distribution of the hollow parts 20 of each support layer 2 Location is different.
  • the orthographic projections of the hollowed-out portions 20 of each support layer 2 on the flexible display module 3 are staggered. That is, the hollowed-out portions 20 in each support layer 2 are stacked alternately and do not overlap each other.
  • the patterns of the hollows 20 in each support layer 2 can be designed to complement each other.
  • each support layer is arranged in a staggered manner, and the patterns of the hollow parts of each other have complementary effects.
  • This solution can be applied to display components folded inward and outward at the same time, and the complementary pattern design can solve the problem of single-layer support layer. At the same time, the overall bending performance of each supporting layer can be improved.
  • the shape and area of the hollow part 20 of each support layer 2 are the same.
  • the hollow parts 20 of each support layer 2 are strip-shaped hollow parts 20 whose extension direction is consistent with the bending or folding axis direction, and the length A and width C of the strip-shaped hollow parts 20 of each support layer 2 are equal.
  • the shape and/or area of the hollow portion 20 of each support layer 2 may also be different.
  • each support layer 2 has the same shape and area, which can ensure good complementarity between the support layers 2, facilitate the unified processing and manufacture of the support layers 2, and reduce costs.
  • the display assembly includes two layers of support layers 2. As shown in (a) and (b) of FIG. 5 , the hollow parts 20 of the two layers of support layers 2 have the same shape and area. However, the two layers of hollowed-out portions 20 are staggered; the hollowed-out portions 20 of each support layer 2 are in the shape of a bar that is consistent with the extension direction of the folding axis. staggered from each other.
  • the length A of the hollow part 20 can be in the range of 1mm-10mm
  • the width C of the hollow part 20 can be in the range of 0.1mm-1mm
  • the distance B between the adjacent hollow parts 20 along the length direction of the hollow part 20 can be 1mm -10mm
  • the distance D between adjacent rows of hollow parts 20 in the width direction of hollow parts 20 can be 0.1mm-1mm.
  • the length A of the hollow parts 20 is 2.3 mm
  • the distance B between the adjacent hollow parts 20 along the length direction of the hollow parts 20 is 3.1 mm
  • the width C of the hollow parts 20 is 0.2 mm
  • the width C of the hollow parts 20 is 0.2 mm.
  • the distance D between the hollow portions 20 of adjacent rows in the direction is 0.1 mm.
  • the shape of the hollow portion 20 in each support layer 2 may also be different; the shape of the hollow portion 20 may include a strip shape (as shown in FIG. 3 and FIG. 5 ), a rectangle (as shown in FIG. 6 and FIG. 5 ). 7), rhombus (as shown in FIG. 8), oval (as shown in FIG. 9), and the like.
  • the shape of the hollow portion has an extension direction, for example, the extending direction of the long side of a strip or rectangle, the extending direction of the longer diagonal line of the rhombus, and the long axis direction of the ellipse;
  • the arrangement of the strip-shaped hollow portion in each embodiment is the same, and the extending direction thereof is consistent with the extending direction of the rotating shaft of the flexible display panel.
  • the hollow portion 20 of each support layer 2 is not limited to the above-mentioned shape, for example, the shape may also include unconventional shapes such as S-shape and Y-shape.
  • the display assembly provided by the embodiment of the present application further includes a foam glue located between the at least two supporting layers 2 and the flexible display module 3 .
  • a foam glue located between the at least two supporting layers 2 and the flexible display module 3 .
  • layer (not shown in the figure), a layer of support layer 2 adjacent to the flexible display module 3 and the flexible display module 3 are pasted through the foam adhesive layer.
  • a layer of support layer 2 close to the carrying component 1 and the carrying component 1 may be bonded by gluing.
  • a layer of support layer 2 adjacent to the carrier assembly 1, the first middle frame 11, the second middle frame 12 and the shaft assembly 13 are bonded together by glue or double-sided tape.
  • the adjacent support layers 2 may be bonded by gluing, that is, all the support layers 2 are bonded to form a whole; alternatively, the above-mentioned at least two support layers 2 may also be an integrally formed structure.
  • this solution is applicable to the support layer solutions given in the above-mentioned embodiments, and is especially suitable for the above-mentioned embodiment solution in which the hollow parts of each support layer are alternately arranged, because in the solution of the alternating hollow parts of each support layer, it is necessary to avoid each layer as much as possible. The displacement between them ensures the complementarity of the patterns in the hollow area.
  • the adjacent support layers 2 may not be connected, and the freedom of each support layer 2 is maintained to obtain better tensile properties.
  • an embodiment of the present application further provides a display device, where the display device includes the display assembly described in any one of the above.
  • the flexible display module may include a flexible display screen, structures such as a protective cover plate and a protective film located on the front of the display screen, and structures such as a heat dissipation module located on the back of the display screen.
  • the non-display area of the edge of the protective cover can be attached to the edge of the carrier assembly through foam glue; taking the folding display assembly as an example, since the rotating shaft assembly divides the first middle frame and the second middle frame, the first middle frame The edges of the frame and the second middle frame can be respectively attached to the edges of the protective cover through "C"-shaped foam glue.
  • the flexible display can be an OLED panel.
  • the display device provided in the embodiments of the present application may further include a rear case, a main circuit board, and other functional modules, etc., located on the side of the carrying component away from the flexible display module. I won't go into details here.
  • the display device can be applied to display devices such as tablet computers and mobile phones.
  • the display assembly and the display device may further include other structures, which may be determined according to actual requirements, which are not limited by the embodiments of the present disclosure.
  • the size and material selection of each structure provided by the embodiments of the present disclosure are not limited to the above-mentioned embodiments, and the basic requirements can be referred to the above descriptions, which will not be repeated here.
  • the drawings of the present application are only schematic diagrams, and the dimensions and proportions of the structures in the drawings do not represent the actual dimension proportions of the structures.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示组件及显示装置，目的是提供一种柔性屏幕的支撑方案，以改善柔性屏幕的弯折和支撑性能。显示组件，包括：承载组件（1），被配置为承载柔性显示模组（3），并带动柔性显示模组（3）弯曲或折叠；至少两层支撑层（2），依次层叠设置于承载组件（1）上，每层支撑层（2）可弯曲并具有回弹特性，每层支撑层（2）具有镂空图案；各支撑层（2）的镂空图案的至少以下一种性质不同：镂空部面积，镂空部形状，镂空部位置；柔性显示模组（3），位于至少两层支撑层（2）背离承载组件（1）的一侧。

Description

显示组件及显示装置
相关申请的交叉引用
本申请要求在2020年08月27日提交中国专利局、申请号为202010876795.8、申请名称为“显示组件及显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，特别涉及一种显示组件及显示装置。
背景技术
随着柔性屏幕技术日趋成熟，其新应用也越来越广泛，例如折叠屏或卷曲屏。目前常见的柔性折叠屏幕或卷曲屏幕，需要通过承载组件提供整机的弯折。柔性屏幕与承载组件之间的支撑方案一直是行业关注的重点，该支撑既要保证展屏时的平整性，还必须满足弯折时具备可拉伸性。因此如何改善柔性屏幕与承载组件之间的支撑方案，是改善柔性屏幕的性能的一个重要研究方向。
发明内容
本申请公开了一种显示组件及显示装置，目的是提供一种柔性屏幕的支撑方案，以改善柔性屏幕的弯折和支撑性能。
一种显示组件，包括：
承载组件，被配置为承载柔性显示模组，并带动所述柔性显示模组弯曲或折叠；
至少两层支撑层，依次层叠设置于所述承载组件上，每层支撑层可弯曲并具有回弹特性，每层支撑层具有镂空图案；各支撑层的镂空图案的至少以下一种性质不同：镂空部面积，镂空部形状，镂空部位置；
柔性显示模组，位于所述至少两层支撑层背离所述承载组件的一侧。
可选的，每层支撑层的镂空图案包括至少一个镂空区，所述镂空区包括阵列分布的多个镂空部。
可选的，各支撑层中的镂空部的面积不同。
可选的，沿所述柔性显示模组弯曲或折叠的内侧至外侧的方向上，各支撑层中的镂空部的面积依次增大。
可选的，各支撑层中的镂空部一一对应，且相互对应的所述镂空部在柔性显示模组上的正投影至少部分交叠。
可选的，所述相互对应的所述镂空部在柔性显示模组上的正投影的中心重合。
可选的，靠近弯曲或折叠内侧的所述支撑层的镂空部在柔性显示模组上的正投影，位于靠近弯曲或折叠外侧的所述支撑层的镂空部在柔性显示模组上的正投影内。
可选的，各支撑层中的镂空部在所述柔性显示模组上的正投影交错设置。
可选的，各支撑层中的镂空部的形状和面积相同。
可选的，各支撑层中的镂空部的形状相同；所述镂空部的形状为条形，所述条形的延伸方向与所述柔性显示模组的弯曲或折叠的轴线方向一致。
可选的，各支撑层中的镂空部的形状不同；所述镂空部的形状包括条形、矩形、菱形、椭圆形中的至少一种。
可选的，显示组件还包括位于所述至少两层支撑层与所述柔性显示模组之间的泡棉胶层，靠近所述柔性显示模组的一层支撑层与所述柔性显示模组之间通过所述泡棉胶层贴合；
靠近所述承载组件的一层支撑层与所述承载组件之间通过胶粘贴合。
可选的，相邻支撑层之间通过胶粘贴合，或者所述至少两层支撑层为一体成型结构。
可选的，所述承载组件包括第一中框和第二中框，以及位于第一中框和第二中框之间的转轴组件，所述第一中框和第二中框可分别绕所述转轴组件 转动以实现折叠或展开；
所述至少两层支撑层包括两层所述支撑层。
可选的，每层所述支撑层的厚度为0.01mm-0.15mm。
可选的，各支撑层均为不锈钢材料层。
一种显示装置，包括如上述任一项所述的显示组件。
附图说明
图1为本申请一实施例提供的一种显示组件在向内弯折状态下的截面结构示意图；
图2为本申请另一实施例提供的一种显示组件在向外弯折状态下的截面结构示意图；
图3为本申请一实施例提供的一种显示组件中的两层支撑的结构示意图；
图4为本申请另一实施例提供的一种显示组件在展平状态下的结构示意图；
图5为本申请另一实施例提供的一种显示组件中的两层支撑的结构示意图；
图6为本申请一实施例提供的显示组件中的支撑层的结构示意图；
图7为本申请另一实施例提供的显示组件中的支撑层的结构示意图；
图8为本申请另一实施例提供的显示组件中的支撑层的结构示意图；
图9为本申请另一实施例提供的显示组件中的支撑层的结构示意图。
具体实施方式
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，本领域普通技术人员在没有做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。
如图1、图2和图4所示，本申请实施例提供一种显示组件，包括：
承载组件1，被配置为承载柔性显示模组3，并带动所述柔性显示模组3弯曲或折叠；
至少两层支撑层2，依次层叠设置于所述承载组件1上，每层支撑层2可弯曲并具有回弹特性，每层支撑层2具有镂空图案；各支撑层2的镂空图案的至少以下一种性质不同：镂空部20面积，镂空部20形状，镂空部20位置；
柔性显示模组3，位于所述至少两层支撑层2背离所述承载组件1的一侧。
本申请实施例提供的显示组件中，采用整层的支撑层2作为承载组件1与柔性显示模组3之间的屏幕支撑结构，可以在弯曲或折叠的转轴区实现良好的弯折性能，并在展屏时提供良好平整性，是一种性能和良率都较好的柔性屏幕支撑方案。并且，相对于仅设置单一的支撑层2，至少两层支撑层2朝向三维方向进行发展，即可以通过多层堆叠提高对柔性屏幕的支撑性，又可以通过对各支撑层2的镂空部20的不同设置，对弯折性和支撑性进行灵活调整，进一步有效提升支撑整体的弯折性能和支撑性能，从而实现更加优异的屏幕支撑技术效果，解决弯曲折叠终端显示产品对屏幕模组支撑结构的需求。
一些实施例中，各支撑层2均为不锈钢材料层(SUS)。不锈钢材料层(SUS)可弯曲并具有回弹特性，而且具有硬度大，韧性好，抗高温耐腐蚀等良好特性，是作为柔性屏幕支撑层2的良好材料。
一些实施例中，如图1、图2和图4所示，显示组件为折叠显示组件，其中，所述承载组件1包括第一中框11和第二中框12，以及位于第一中框11和第二中框12之间的转轴组件13，所述第一中框11和第二中框12可分别绕所述转轴组件13转动以实现折叠或展开，以带动所述柔性显示模组3折叠。
当然，显示组件也可以为可弯曲组件或者可卷曲组件，以带动所述柔性显示模组3弯曲或卷曲。
示例性的，所述至少两层支撑层2可以包括两层所述支撑层2；或者，所述至少两层支撑层2可以包括三层或四层，当然也可以包括更多层支撑层2。
示例性的，每层所述支撑层2的厚度为0.01mm-0.15mm。
具体地，各支撑层2的厚度以及支撑层2的层数可以根据实际支撑所需 的厚度要求和支撑层2加工工艺水平等因素进行选择。
一些实施例中，每层支撑层2的镂空图案包括至少一个镂空区，所述镂空区包括阵列分布的多个镂空部20。
示例性的，支撑层2的镂空区是由阵列分布的镂空部20组成的区域，例如，如图6和图7中每个虚线框中所包括的镂空部20组成的区域为一个镂空区200；具体的，镂空区200可以设置在支撑层2需要弯曲或弯折的部位，镂空区200在数量和设置位置上可以与柔性显示模组的弯折区域的数量和位置对应。例如，如图6所示，柔性显示模组为折叠显示装置，具有一个弯折部，那么支撑层2可以对在该弯折部位置处设有一个镂空区200；或者，如图7所示，柔性显示模组具有三个弯折部，则支撑层2可以分别在该三个弯折部位置处设有三个镂空区200。当然，也可以是在支撑层2的整个区域(弯折区域和非弯折区域)上都设有镂空部20，例如图1、图2和图4中所示，此时，支撑层2整个区域上的镂空部20组成一个镂空区。
具体的，阵列分布的镂空部20既可以保证各支撑层2的整体支撑性能，又使得各支撑层2可以具有更好的柔韧性，改善其弯曲折叠性能。另外，阵列分布的镂空部20图案相对简单，便于加工制造，成本较低。
示例性的，每层支撑层2中的镂空部20的形状可以相同，具体可以为条形，如图3和图5中所示的镂空部20，所述条形的延伸方向与所述柔性显示模组的弯曲或折叠的轴线方向一致；即各支撑层2中的镂空部20为条形镂空部20，所述条形镂空部20的延伸方向与所述柔性显示模组的弯曲或折叠的轴线方向一致。具体的，‘方向一致’，既包括完全平行，也允许具有一定的误差，例如，两者延伸方向的夹角小于一定角度即可以称之为一致，例如夹角小于10度。
以折叠显示组件为例，如图1、图2和图4所示，所述第一中框11和第二中框12绕所述转轴组件13转动以实现带动柔性显示模组3折叠或展开，则柔性显示模组3弯曲或折叠的轴线方向即是与转轴组件13中的转轴平行的方向。或者，当显示组件为可卷曲组件时，上述轴线方向即与卷轴平行的方 向。
具体的，镂空部的延伸方向与弯曲或折叠的轴线方向一致，可以有效提升支撑层的弯曲和折叠性能，从而提升显示组件的整体弯折良率和效果。
一些实施例中，各支撑层2中的镂空部20的面积不同。
例如，如图3中的(a)和(b)所示，各支撑层2的镂空部20为延伸方向与弯曲或折叠的轴线方向一致的条形镂空部20，各支撑层2的条形镂空部20宽度C相等，长度A不同，从而面积不同。
当然，也可以是各支撑层2的条形镂空部20的宽度C不同，长度A可以相同也可以不同，例如图1和图2中所示，从而使得镂空部20的面积不同。
具体的，支撑层2中各镂空区200的镂空部20面积越大，其弯曲性能相对越好。进而，可以根据各层支撑层2对弯曲性能的需求对其镂空部20的面积进行设计。
示例性的，如图1和图2所示，沿所述柔性显示模组3弯曲或折叠的内侧至外侧的方向上，各支撑层2的镂空部20的面积依次增大。具体的，‘内侧’是指弯曲或折叠后隐藏在内的表面一侧；‘外侧’是指弯曲或折叠后显露在外的表面一侧。
示例性的，如图1至图3所示，各支撑层2中的镂空部20一一对应，且相互对应的所述镂空部20在柔性显示模组3上的正投影至少部分交叠；即各支撑层2的镂空部20的分布位置相同。
例如，各支撑层2中相互对应的所述镂空部20在柔性显示模组3上的正投影的中心重合。或者，也可以是各支撑层2中相互对应的所述镂空部20的至少部分边界对齐。
例如，以条形镂空部为例，如图3中的(a)和(b)所示，各支撑层2的条形镂空部20宽度C相等，长度A不同，各支撑层2中相互对应的所述镂空部在宽度C方向上的两个边界对齐，沿长度A方向上中点对齐。当然，也可以是各支撑层2的条形镂空部20的长度A和宽度C均不同，此时，各支撑层2中相互对应的所述镂空部20沿长度A和宽度C方向上的中点均对齐设置。
示例性的，如图1和图2所示，靠近弯曲或折叠内侧的所述支撑层2的镂空部20在柔性显示模组3上的正投影，位于靠近弯曲或折叠外侧的所述支撑层2的镂空部20在柔性显示模组3上的正投影内。
具体的，在显示组件进行弯曲或者折叠时，如图1和图2所示，柔性显示模组3与支撑层2随着承载组件1进行弯曲或折叠运动，各支撑层2中，靠近发生弯曲或折叠的外侧的支撑层2的拉伸形变较大，对于拉伸性能需求更大，而靠近发生弯曲或折叠的内侧的支撑层2对于拉伸性能要求则较低。本申请实施中，使得靠近发生弯曲或折叠的外侧的支撑层2具有相对更大的镂空部20面积，靠近发生弯曲或折叠的内侧的支撑层2具有相对较小的镂空部20面积，既可以提高支撑层2的弯折性能，又能够在展屏时对柔性显示模组3提供良好的支撑性。
以折叠显示组件为例，例如折叠显示组件包括两层支撑层2。具体的：
如图1所示，内折形态时，柔性显示模组3和各支撑层2位于所述承载组件1的第一中框11和第二中框12之间；两层支撑层2中，靠近承载组件1的支撑层2位于折叠外侧，其拉伸性能需求更大，该支撑层2具有更大的镂空部20，靠近柔性显示模组3的支撑层2位于折叠内侧，相对来说其弯折要求降低，该支撑层2具有较小的镂空部20，主要提供展屏时的支撑性。
如图2所示，外折形态时，柔性显示模组3和各支撑层2依次包覆在第一中框11和第二中框12的外侧；两层支撑层2中，靠近柔性显示模组3的支撑层2位于折叠外侧，其拉伸性能需求更大，该支撑层2具有更大的镂空部20，靠近承载组件1的支撑层2位于折叠内侧，相对来说其弯折要求降低，该支撑层2具有较小的镂空部20，主要提供展屏时的支撑性。
进一步地，以折叠手机为例，其显示组件中包括两层支撑层2，如图3中的(a)和(b)所示，各支撑层2的镂空部20呈与折叠轴线延伸方向一致的条形，以条形镂空部20延伸方向为行方向，相邻行的镂空部20之间相互错开排列。具体的，镂空部20长度A可以在1mm-10mm范围内，镂空部20宽度C可以在0.1mm-1mm范围内，沿镂空部20长度方向上相邻镂空部20之间 的间距B可以为0.1mm-10mm，沿镂空部20宽度方向上相邻行镂空部20之间的间距D可以为0.1mm-1mm。例如，两层支撑层2的镂空部20图案可以分别如图3中的(a)和(b)所示，其中，如图3中的(a)所示，一层支撑层2中的镂空部20长度A为4.3mm，沿镂空部20长度方向上相邻镂空部20之间的间距B为1.1mm；如图3中的(b)所示，另一层支撑层2中的镂空部20长度A为5.3mm，沿镂空部20长度方向上相邻镂空部20之间的间距B为0.1mm；两层支撑层2的镂空部20宽度C以及沿宽度方向上相邻行镂空部20之间的间距D均相等，具体的，镂空部20宽度C可以为0.2mm，沿宽度方向上相邻镂空部20之间的间距D可以为0.1mm。
另一些实施例中，如图5中的(a)和(b)所示，每层支撑层2的镂空区包括阵列分布的多个镂空部20，但各支撑层2的镂空部20的分布位置不同。
示例性的，如图4所示，各支撑层2的镂空部20在所述柔性显示模组3上的正投影交错设置。即各支撑层2中的镂空部20交错层叠，彼此无交叠。
例如，各支撑层2中的镂空部20图案可以互补设计。
具体的，各支撑层的镂空部交错设置，彼此的镂空部图案之间具有互补的效果，该方案可同时适用于内折和外折的显示组件，互补性的图案设计可以解决单层支撑层的支撑性不够的缺陷，同时可以改善各支撑层整体的弯曲性能。
示例性的，如图5中的(a)和(b)所示，各支撑层2的镂空部20的形状和面积相同。例如，各支撑层2的镂空部20均为延伸方向与弯曲或折叠的轴线方向一致的条形镂空部20，且各支撑层2的条形镂空部20的长度A和宽度C均相等。当然，在其他实施例中，各支撑层2的镂空部20的形状和/或面积也可以是不相同。
具体的，各支撑层2的镂空部20的形状和面积相同，可以保证各支撑层2之间具有良好的互补性，并且便于对支撑层2的统一加工制造，降低成本。
具体的，以折叠手机为例，其显示组件中包括两层支撑层2，如图5中的(a)和(b)所示，两层支撑层2的镂空部20的形状和面积相同，但两层镂 空部20彼此间交错设置；各支撑层2的镂空部20呈与折叠轴线延伸方向一致的条形，以条形镂空部20延伸方向为行方向，相邻行的镂空部20之间相互错开排列。具体的，镂空部20长度A可以在1mm-10mm范围内，镂空部20宽度C可以在0.1mm-1mm范围内，沿镂空部20长度方向上相邻镂空部20之间的间距B可以为1mm-10mm，沿镂空部20宽度方向上相邻行镂空部20之间的间距D可以为0.1mm-1mm。例如，每层支撑层2中，镂空部20长度A为2.3mm，沿镂空部20长度方向上相邻镂空部20之间的间距B为3.1mm，镂空部20宽度C为0.2mm，沿宽度方向上相邻行镂空部20之间的间距D为0.1mm。
一些实施例中，各支撑层2中的镂空部20的形状也可以不同；所述镂空部20的形状可以包括条形(如图3和图5中所示)，矩形(如图6和图7中所示)、菱形(如图8中所示)、椭圆形(如图9中所示)等形状中的至少一种。
具体的，上述镂空部的形状具有一个延伸方向，例如，条形或矩形的长边延伸方向、菱形较长的对角线的延伸方向、椭圆形的长轴方向；这些形状的镂空部与上述各实施例中的条形镂空部的设置同理，其延伸方向均与柔性显示面板的转轴的延伸方向一致。当然，本申请中，各支撑层2的镂空部20并不限于上述形状，例如，其形状也可以包括S形，Y形等非常规的形状。
一些实施例中，如图1、图2和图4所示，本申请实施例提供的显示组件还包括位于所述至少两层支撑层2与所述柔性显示模组3之间的泡棉胶层(图中未示出)，靠近所述柔性显示模组3的一层支撑层2与所述柔性显示模组3之间通过所述泡棉胶层贴合。
进一步地，靠近所述承载组件1的一层支撑层2与所述承载组件1之间可以通过胶粘贴合。例如，靠近所述承载组件1的一层支撑层2与第一中框11、第二中框12和转轴组件13之间通过胶水或者双面胶粘合在一起。
示例性的，相邻支撑层2之间可以是通过胶粘贴合，即所有支撑层2粘贴形成一个整体；或者，上述至少两层支撑层2也可以是一体成型的结构。 具体的，此方案适用于上述各实施例中给出的支撑层方案，尤其适合上述各支撑层的镂空部交替设置的实施例方案，因为各支撑层镂空部交替的方案中需要尽量避免各层之间的错动，保证镂空区图案的互补性。
当然，示例性的，相邻支撑层2之间也可以不作连接，保持各层支撑层2自由性，以获得更好的拉伸性能。
另外，本申请实施例还提供一种显示装置，该显示装置包括上述任一项所述的显示组件。
具体的，本申请实施例提供的显示组件中，柔性显示模组可以包括柔性显示屏，位于显示屏正面的保护盖板和保护膜等结构，以及位于显示屏背面的散热模组等结构。
示例性的，保护盖板的边缘非显示区可以通过泡棉胶与承载组件的边缘贴合；以折叠显示组件为例，由于转轴组件将第一中框和第二中框分割，第一中框和第二中框的边缘可以分别通过“C”型的泡棉胶与保护盖板的边缘贴合。
具体的，柔性显示屏可以为OLED面板。
具体的，本申请实施例提供的显示装置，还可以包括位于承载组件背离柔性显示模组一侧的后壳，主电路板和其他功能模块等。在此不一一赘述。
具体的，该显示装置可以应用于平板电脑、手机等显示设备。
需要说明的是，本公开的一些实施例中，显示组件和显示装置还可以包括其他的结构，这可以根据实际需求而定，本公开的实施例对此不作限制。另外，关于本公开实施例提供的各结构的尺寸和材料选择并不限于上述实施例，其基本要求可以参考上文中的描述，此处不再赘述。再者，本申请附图只是示意图，图中各部分结构的尺寸和比例并不代表各结构的实际尺寸比例。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (17)

  1. 一种显示组件，其中，包括：
    承载组件，被配置为承载柔性显示模组，并带动所述柔性显示模组弯曲或折叠；
    至少两层支撑层，依次层叠设置于所述承载组件上，每层支撑层可弯曲并具有回弹特性，每层支撑层具有镂空图案；各支撑层的镂空图案的至少以下一种性质不同：镂空部面积，镂空部形状，镂空部位置；
    柔性显示模组，位于所述至少两层支撑层背离所述承载组件的一侧。
  2. 如权利要求1所述的显示组件，其中，每层支撑层的镂空图案包括至少一个镂空区，所述镂空区包括阵列分布的多个镂空部。
  3. 如权利要求2所述的显示组件，其中，各支撑层中的镂空部的面积不同。
  4. 如权利要求3所述的显示组件，其中，沿所述柔性显示模组弯曲或折叠的内侧至外侧的方向上，各支撑层中的镂空部的面积依次增大。
  5. 如权利要求4所述的显示组件，其中，各支撑层中的镂空部一一对应，且相互对应的所述镂空部在柔性显示模组上的正投影至少部分交叠。
  6. 如权利要求5所述的显示组件，其中，所述相互对应的所述镂空部在柔性显示模组上的正投影的中心重合。
  7. 如权利要求5所述的显示组件，其中，靠近弯曲或折叠内侧的所述支撑层的镂空部在柔性显示模组上的正投影，位于靠近弯曲或折叠外侧的所述支撑层的镂空部在柔性显示模组上的正投影内。
  8. 如权利要求2所述的显示组件，其中，各支撑层中的镂空部在所述柔性显示模组上的正投影交错设置。
  9. 如权利要求8所述的显示组件，其中，各支撑层中的镂空部的形状和面积相同。
  10. 如权利要求2-9任一项所述的显示组件，其中，各支撑层中的镂空 部的形状相同；所述镂空部的形状为条形，所述条形的延伸方向与所述柔性显示模组的弯曲或折叠的轴线方向一致。
  11. 如权利要求2-9任一项所述的显示组件，其中，各支撑层中的镂空部的形状不同；所述镂空部的形状包括条形、矩形、菱形、椭圆形中的至少一种。
  12. 如权利要求1-9任一项所述的显示组件，其中，还包括位于所述至少两层支撑层与所述柔性显示模组之间的泡棉胶层，靠近所述柔性显示模组的一层支撑层与所述柔性显示模组之间通过所述泡棉胶层贴合；
    靠近所述承载组件的一层支撑层与所述承载组件之间通过胶粘贴合。
  13. 如权利要求12所述的显示组件，其中，相邻支撑层之间通过胶粘贴合，或者所述至少两层支撑层为一体成型结构。
  14. 如权利要求1-9任一项所述的显示组件，其中，所述承载组件包括第一中框和第二中框，以及位于第一中框和第二中框之间的转轴组件，所述第一中框和第二中框可分别绕所述转轴组件转动以实现折叠或展开；
    所述至少两层支撑层包括两层所述支撑层。
  15. 如权利要求14所述的显示组件，其中，每层所述支撑层的厚度为0.01mm-0.15mm。
  16. 如权利要求1-9任一项所述的显示组件，其中，各支撑层均为不锈钢材料层。
  17. 一种显示装置，包括如权利要求1-16任一项所述的显示组件。
PCT/CN2021/104429 2020-08-27 2021-07-05 显示组件及显示装置 WO2022042036A1 (zh)

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