Flexible display module and flexible display

Abstract

The present application relates to the technical field of display, and provides a flexible display module and a flexible display, the flexible display module comprising a support and a screen body. Wherein, the first support part and the second support part of the support are arranged at intervals in the first direction, and on the same side in the second direction, the third support part connects the first support part and the second support part to form a U-shaped groove, in the cross section determined by the first direction and the second direction, the third support part is in the shape of a circular arc, and the center of the circle is located in the U-shaped groove; the screen body is located outside the U-shaped groove, the screen body comprises a first screen part and a second screen part, the first screen part is fixed with the first support part, the second screen part is attached to the third support part and the second support part, and the first screen part and the second screen part are connected; the first direction and the second direction are arranged perpendicularly. In this way, the third support part serves as support for the bending section of the second screen body, and the collapse deformation of the second screen part in the bending section can be inhibited.

Description

Technical Field

[0001] This invention relates to the field of display technology, and in particular to a flexible display module and a flexible display. Background Technology

[0002] like Figure 1 As shown, the bending area of ​​a flexible display screen is typically designed as an ideal circular arc transition. To ensure the designed bending radius R, a shim is usually attached between the composite tape and the second part of the screen body to fill the gap. However, in actual products, after the bending process, the protective layer applied to the bending area cannot provide sufficient "shaping" support to the second part of the screen body in the bending area. As a result, the shape of the screen body after bending deviates significantly from the ideal circular arc transition. Furthermore, even if the initial state after bending is close to the ideal state, it will change to some extent after aging.

[0003] like Figure 2 As shown, the actual product, after being bent, tends to exhibit a near-elliptical shape. The stress distribution of the screen in the bending area is uneven, and cracks appear in some areas, causing internal circuit breaks.

[0004] Therefore, there is an urgent need for a flexible display module and a flexible display to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a flexible display module and a flexible display that can suppress the collapse of the second screen, make the stress on the curved section more even, and reduce the risk of cracks appearing at the curved section.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] Flexible display modules, including:

[0008] The support member includes a first support portion, a second support portion and a third support portion. The first support portion and the second support portion are spaced apart in a first direction and on the same side in a second direction. The third support portion connects the first support portion and the second support portion to form a U-shaped groove. In the cross-section determined by the first direction and the second direction, the third support portion is arc-shaped and its center is located in the U-shaped groove.

[0009] The screen body is located outside the U-shaped groove. The screen body includes a first screen part and a second screen part. The first screen part is fixed to the first support part. The second screen part is attached to the third support part and the second support part. The first screen part and the second screen part are connected.

[0010] The first direction and the second direction are set perpendicularly.

[0011] As a preferred technical solution for the aforementioned flexible display module, the first screen portion and the first support portion are fixed by adhesive bonding.

[0012] As a preferred technical solution for the aforementioned flexible display module, the first screen portion and the first support portion are connected by pressure-sensitive adhesive.

[0013] As a preferred technical solution for the aforementioned flexible display module, the thickness of the pressure-sensitive adhesive is 30μm-50μm.

[0014] As a preferred technical solution for the aforementioned flexible display module, the pressure-sensitive adhesive has a viscosity of 1000gf / 25mm.

[0015] As a preferred technical solution for the aforementioned flexible display module, the first support portion is provided with a receiving groove, and the pressure-sensitive adhesive is filled in the receiving groove.

[0016] As a preferred technical solution for the above-mentioned flexible display module, it also includes a support film, which is installed in the accommodating groove to support the first screen portion.

[0017] As a preferred technical solution of the above-mentioned flexible display module, it also includes a protective component, which is fixed to the screen body, and the second screen portion is sandwiched between the protective component and the third support portion.

[0018] As a preferred technical solution of the above-mentioned flexible display module, it also includes a filler, which is installed in the U-shaped groove and supports the first support portion and the second support portion in the first direction.

[0019] A flexible display is also provided, including a housing and the aforementioned flexible display module. The housing has a display window, the flexible display module is installed inside the housing, and the first screen portion and a portion of the second screen portion are exposed outside the housing from the display window.

[0020] Beneficial effects of this invention:

[0021] This invention provides a flexible display module and a flexible display. The flexible display module includes a support member and a screen body. The support member includes a first support portion, a second support portion, and a third support portion. The first and second support portions are spaced apart in a first direction and on the same side in a second direction. The third support portion connects the first and second support portions to form a U-shaped groove. In a cross-section defined by the first and second directions, the third support portion is arc-shaped, with its center located within the U-shaped groove. The screen body is located outside the U-shaped groove and includes a first screen portion and a second screen portion. The first screen portion is fixed to the first support portion, and the second screen portion is attached to the third and second support portions, and the first and second screen portions are connected. The first and second directions are perpendicular. Thus, the third support portion provides support for the curved section of the second screen body, suppressing collapse deformation of the second screen portion in the curved section and maintaining the curved section in an ideal arc shape. The ideal arc of the curved section of the second screen can be set according to the usage scenario. After the ideal arc is formed, the stress on the connection between the second screen and the first screen, the curved section, and the connection between the curved section and the second non-curved section is relatively even, which can avoid excessive local stress and reduce the risk of breakage. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0023] Figure 1 This is a structural diagram of a flexible display module provided in the prior art. Figure 1 ;

[0024] Figure 2 This is a structural diagram of a flexible display module provided in the prior art. Figure 2 ;

[0025] Figure 3 This is a structural schematic diagram of the support member provided in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the flexible display module provided in an embodiment of the present invention.

[0027] In the picture:

[0028] X, first direction; Y, second direction;

[0029] 100. Support component; 110. First support part; 120. Second support part; 130. Third support part; 140. U-shaped groove;

[0030] 200. Screen body; 210. First screen section; 220. Second screen section;

[0031] 300, adhesive layer; 400, support film; 500, protective component. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0033] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0036] like Figure 3 and Figure 4As shown, the present invention provides a flexible display module, including a support member 100 and a screen body 200. The support member 100 includes a first support portion 110, a second support portion 120, and a third support portion 130. The first support portion 110 and the second support portion 120 are spaced apart in a first direction X and on the same side in a second direction Y. The third support portion 130 connects the first support portion 110 and the second support portion 120 to form a U-shaped groove 140. In a cross-section defined by the first direction X and the second direction Y, the third support portion 130 is arc-shaped, with its center located within the U-shaped groove 140. The screen body 200 is located outside the U-shaped groove 140 and includes a first screen portion 210 and a second screen portion 220. The first screen portion 210 is fixed to the first support portion 110, and the second screen portion 220 is attached to the third support portion 130 and the second support portion 120. The first screen portion 210 and the second screen portion 220 are connected. The first direction X and the second direction Y are perpendicularly arranged.

[0037] For example, the screen 200 includes a light-emitting surface and a backlight surface, that is, the light-emitting surface is the side from which the user can acquire images. The screen 200 includes a first screen portion 210 and a second screen portion 220. The second screen portion 220 is connected to one side of the first screen portion 210 in the second direction Y. The second screen portion 220 is a flexible screen, which can be bent and deformed. The second screen portion 220 bends away from the light-emitting surface of the first screen portion 210, that is, the center of the arc formed by the bending of the second screen portion 220 is located on the side of the backlight surface of the first screen portion 210. The support member 100 includes a first support portion 110, a second support portion 120, and a third support portion 130. The first support portion 110 is used to mount the first screen portion 210, and the second support portion 120 and part of the third support portion 130 are used to mount the second screen portion 220. The first support portion 110, the third support portion 130, and the second support portion 120 are connected sequentially to form a U-shaped support. A U-shaped groove 140 is formed on the inner side of the U-shaped support. In a plane defined by the first direction X and the second direction Y, the screen body 200 is fixed to the outer side of the U-shaped support. The first screen portion 210 is located on the side of the first support portion 110 that is away from the second support portion 120. The backlight surface of the first screen portion 210 is fixed to the first support portion 110, such that the light-emitting surface of the first screen portion 210 faces the side away from the support member 100. The second screen body 200 is at least partially fixed to the second support portion 120 and the third support portion 130. Specifically, the second screen 200 includes a first non-bent segment, a bent segment, and a second non-bent segment, which are connected sequentially. The first non-bent segment is connected to the first screen 200, the bent segment is attached to the third support portion 130, and the second non-bent segment is attached to the second support portion 120. Thus, the third support portion 130 provides support for the bent segment of the second screen 200, suppressing collapse and deformation of the second screen 220 at the bent segment and maintaining the bent segment in an ideal arc.

[0038] It should be noted that the ideal arc of the curved section of the second screen 200 can be set according to the usage scenario. After the ideal arc is formed, the stress on the connection between the second screen 220 and the first screen 210, the curved section, and the connection between the curved section and the second non-curved section is relatively even, which can avoid excessive local stress and reduce the risk of breakage.

[0039] It should be noted that the connection point between the second screen 200 and the first screen 200 may be located on the first support part 110 or on the second support part 120.

[0040] It should be noted that the connection point between the curved section and the non-curved section of the second screen body 200 may be located at the second support part 120 or the third support part 130.

[0041] For example, the first support portion 110 and the second support portion 120 are arranged in parallel.

[0042] For example, the first support portion 110, the second support portion 120 and the third support portion 130 are integrally formed.

[0043] Furthermore, the support component 100 is a metal part, which is bent using a stamping die to form a U-shaped support.

[0044] Furthermore, the support component 100 can be integrally formed using 3D printing technology.

[0045] For example, the support 100 is made of stainless steel, such as SUS304 or SUS316.

[0046] For example, the thickness of the first support portion 110 is between 0.05 mm and 1 mm.

[0047] For example, the thickness of the second support portion 120 is between 0.05 mm and 1 mm.

[0048] For example, the thickness of the third support portion 130 is between 0.05 mm and 1 mm.

[0049] Optionally, the first screen portion 210 and the first support portion 110 are fixed by adhesive bonding. The backlight surface of the first screen portion 210 and the side of the first support portion 110 opposite to the second support portion 120 are fixed by adhesive bonding. In this way, the fixing structure between the screen body 200 and the support member 100 is simple, reducing the structural modifications to the screen body 200.

[0050] For example, the first support portion 110 has a first filling hole A on the side facing the first screen portion 210. The first filling hole A is a blind hole, which only has an opening on the side facing away from the second support portion 120. The adhesive used to bond the first support portion 110 and the first screen portion 210 is applied to the surface of the first support portion 110 that is in contact with the first screen portion 210 and filled into the first filling hole A. This can increase the stability of the fixation between the first support portion 110 and the first screen portion 210, that is, enhance the adhesion between the two.

[0051] Furthermore, multiple first filling holes A are provided. These multiple first filling holes A can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each first filling hole A. It should be noted that if n first filling holes A are provided, the overlapping area of ​​the first support part 110 and the first screen part 210 only covers m of the first filling holes A, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m first filling holes A.

[0052] For example, the first filling hole A is a circular hole, and multiple first filling holes A are arranged in a matrix. Furthermore, in order to reduce the impact of the first filling holes A on the structural strength of the first support portion 110, the center-to-center distance between two adjacent first filling holes A is not less than the maximum diameter of each first filling hole A.

[0053] Optionally, the first screen portion 210 and the first support portion 110 are connected by pressure-sensitive adhesive.

[0054] For example, in this embodiment, pressure-sensitive adhesive is used to bond the first screen portion 210 and the first support portion 110. Pressure-sensitive adhesive is an adhesive that can adhere under slight pressure and generates adhesive force without solvents, heating, or chemical reactions. This simplifies the assembly process and operation.

[0055] Optionally, the thickness of the pressure-sensitive adhesive is 30μm-50μm.

[0056] Optional, the pressure-sensitive adhesive has a tack of 1000gf / 25mm.

[0057] Optionally, the second screen portion 220 and the second support portion 120 are fixed by adhesive bonding. The backlight surface of the second screen portion 220 and the side of the second support portion 120 opposite to the first support portion 110 are fixed by adhesive bonding. In this way, the fixing structure between the screen body 200 and the support member 100 is simple, reducing the structural modifications to the screen body 200.

[0058] For example, the second support portion 120 has a second filling hole A on the side facing the second screen portion 220. The second filling hole A is a blind hole, which only has an opening on the side facing away from the first support portion 110. The adhesive used to bond the second support portion 120 and the second screen portion 220 is applied to the surface of the second support portion 120 that is in contact with the second screen portion 220 and filled into the second filling hole A. This can increase the stability of the fixation between the second support portion 120 and the second screen portion 220, that is, enhance the adhesion between the two.

[0059] Furthermore, multiple second filling holes A are provided. These multiple second filling holes A can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each second filling hole A. It should be noted that if n second filling holes A are provided, the overlapping area of ​​the second support part 120 and the second screen part 220 only covers m of the second filling holes A, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m second filling holes A.

[0060] For example, the second filling hole A is a circular hole, and multiple second filling holes A are arranged in a matrix. Furthermore, in order to reduce the impact of the second filling holes A on the structural strength of the second support 120, the center-to-center distance between two adjacent second filling holes A is not less than the maximum diameter of each second filling hole A.

[0061] Optionally, the support member 100 has a receiving groove, and pressure-sensitive adhesive is filled into the receiving groove.

[0062] For example, in the plane defined by the first direction X and the second direction Y, the outer contour of the support member 100 includes a first vertical edge line, a first horizontal edge line, a first curve, a second horizontal edge line, a second vertical edge line, a third horizontal edge line, a second curve, a third vertical edge line, and a fourth horizontal edge line. The first vertical edge line, the second vertical edge line, and the third vertical edge line are parallel; the first horizontal edge line, the second horizontal edge line, the third horizontal edge line, and the fourth horizontal edge line are parallel; and the first curve and the second curve are concentric but have different radii. One end of the first vertical edge line is connected to one end of the first horizontal edge line, and the other end of the first horizontal edge line is connected to one end of the first curve. The other end of the first curve is connected to one end of the second horizontal edge line, and the other end of the second horizontal edge line is connected to one end of the second vertical edge line. The other end of the second vertical edge line is connected to one end of the third horizontal edge line, and the other end of the third horizontal edge line is connected to one end of the second curve. The other end of the second curve is connected to one end of the third vertical edge line, and the other end of the third vertical edge line is connected to one end of the fourth horizontal edge line. The other end of the fourth horizontal edge line is connected to the first vertical edge line. The fourth horizontal edge line, the first vertical edge line, and the second horizontal edge line form the outer contour of the first support part 110. The first curve, the second curve, and the third vertical edge line form the outer contour of the third support part 130. The second horizontal edge line, the second vertical edge line, and the third horizontal edge line form the outer contour of the second support part 120.

[0063] A receiving groove is formed on the side of the first support portion 110 opposite to the second support portion 120. Pressure-sensitive adhesive is placed in the receiving groove. The first screen portion 210 can at least partially extend into the receiving groove and contact the pressure-sensitive adhesive, or the pressure-sensitive adhesive can partially extend out of the receiving groove and contact the first screen portion 210. In this way, the curved sections of the third support portion 130 and the second screen portion 220 can be kept in close contact, reducing the partial suspension of the second screen portion 220 due to the setting of pressure-sensitive adhesive.

[0064] Understandably, the adhesive layer 300 generally has a certain thickness. If the support member 100 does not have a receiving groove, the setting of the adhesive layer 300 will cause a gap to form between the connection area of ​​the first screen part 210 and the second screen part 220 and the first support part 110. This suspended setting will cause stress concentration at the receiving area, causing the second screen part 220 to collapse.

[0065] Optionally, the flexible display module also includes a support film 400, which is installed in the receiving groove to support the first screen portion 210.

[0066] Furthermore, the support film 400 is fixed to the first screen portion 210 by adhesive bonding. The backlight surface of the first screen portion 210 is fixed to the side of the support film 400 opposite to the first support portion 110 by adhesive bonding. In this way, the fixing structure between the screen body 200 and the support film 400 is simple, reducing the structural modifications to the screen body 200.

[0067] For example, the support film 400 has a third filling hole A on the side facing the first screen portion 210. The third filling hole A is a blind hole, which only has an opening on the side facing away from the first support portion 110. The adhesive used to bond the support film 400 and the first screen portion 210 is applied to the surface of the support film 400 that is in contact with the first screen portion 210 and filled into the third filling hole A. This can increase the stability of the fixation between the support film 400 and the first screen portion 210, that is, enhance the adhesion between the two.

[0068] Furthermore, multiple third filling holes A are provided. These multiple third filling holes A can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each third filling hole A. It should be noted that if n third filling holes A are provided, the overlapping area of ​​the support film 400 and the first screen portion 210 only covers m of the third filling holes A, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m third filling holes A.

[0069] For example, the third filling hole A is a circular hole, and multiple third filling holes A are arranged in a matrix. Furthermore, in order to reduce the impact of the third filling holes A on the structural strength of the support membrane 400, the center-to-center distance between two adjacent third filling holes A is not less than the maximum diameter of each third filling hole A.

[0070] Furthermore, the support membrane 400 is fixed to the first support portion 110 by adhesive bonding. The first support portion 110 and the support membrane 400 are fixed by adhesive bonding, thus simplifying the fixing structure between the support member 100 and the support membrane 400.

[0071] In one embodiment, the support film 400 has a third filling hole B on the side facing the first support portion 110. The third filling hole B is a blind hole, which only has an opening on the side facing the first support portion 110. The adhesive used to bond the support film 400 and the first support portion 110 is applied to the surface of the support film 400 that is in contact with the first support portion 110 and filled into the third filling hole B. This can increase the stability of the fixation between the support film 400 and the first support portion 110, that is, enhance the adhesion between the two.

[0072] Furthermore, multiple third filling holes B are provided. These multiple third filling holes B can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each third filling hole B. It should be noted that if n third filling holes B are provided, the overlapping area of ​​the support film 400 and the first support part 110 only covers m of the third filling holes B, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m third filling holes B.

[0073] For example, the third filling hole B is a circular hole, and multiple third filling holes B are arranged in a matrix. Furthermore, in order to reduce the impact of the third filling holes B on the structural strength of the support membrane 400, the center-to-center distance between two adjacent third filling holes B is not less than the maximum diameter of each third filling hole B.

[0074] In this embodiment, if the first support portion 110 has a first filling hole A, the adhesive filled in the first filling hole A is used to bond the first support portion 110 and the support film 400.

[0075] Furthermore, if the support membrane 400 is provided with a third filling hole B and the first support portion 110 is provided with a first filling hole A, the third filling hole B and the first filling hole A are symmetrically provided.

[0076] Furthermore, if the support membrane 400 is provided with a third filling hole B and the first support portion 110 is provided with a first filling hole A, the third filling hole B and the first filling hole A are staggered in the projection of the first direction X.

[0077] If the filler has both a third filling hole A and a third filling hole B, one embodiment is that the third filling hole A and the third filling hole B are not connected. In this embodiment, the third filling hole A and the third filling hole B can be symmetrically arranged, that is, the axis of the third filling hole A coincides with the axis of the third filling hole B. The third filling hole A and the third filling hole B can also be staggered in their projections in the first direction X. Another embodiment is that the third filling hole A and the third filling hole B are connected.

[0078] Optionally, the flexible display module further includes a protective member 500, which is fixed to the screen body 200, and the second screen portion 220 is sandwiched between the protective member 500 and the third support portion 130. For example, the protective member 500 is a UV adhesive layer 300, which is attached to the curved section of the second screen portion 220 to protect the curved section.

[0079] Since the first support portion 110 and the second support portion 120 are connected only by the third support portion 130 on the Y side of the second direction, the first support portion 110 and the second support portion 120 are suspended in mid-air. The first support portion 110 is close to a cantilever beam model. The first support portion 110 is equipped with the first screen portion 210, which increases the load and makes the first support portion 110 always tend to move closer to the second support portion 120.

[0080] Optionally, the flexible display module also includes a filler, which is installed within the U-shaped groove 140 and supports the first support portion 110 and the second support portion 120 in the first direction X. The filler is installed between the first support portion 110 and the second support portion 120, and the filler abuts against the first support portion 110 and the second support portion 120 respectively in the first direction X, serving as an additional support between the first support portion 110 and the second support portion 120 besides the third support portion 130, thereby reducing the suspended area of ​​the first support portion 110.

[0081] For example, the filler is fixed to the first support member 100 and / or the second support member 100 by adhesive.

[0082] Furthermore, between the first support portion 110 and the filler, a first filling hole B is provided on the side of the first support portion 110 facing away from the first screen portion 210. The first filling hole B is a blind hole, which only has an opening on the side facing the second support portion 120. The adhesive used to bond the first support portion 110 and the filler is applied to the surface of the first support portion 110 that is in contact with the filler and is filled into the first filling hole B. This can increase the stability of the fixation between the first support portion 110 and the filler, that is, enhance the adhesion between the two.

[0083] Furthermore, multiple first filling holes B are provided. These multiple first filling holes B can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each first filling hole B. It should be noted that if there are n first filling holes B, the overlapping area of ​​the first support part 110 and the filler only covers m of the first filling holes, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m first filling holes B.

[0084] For example, the first filling hole B is a circular hole, and multiple first filling holes B are arranged in a matrix. Furthermore, in order to reduce the impact of the first filling holes B on the structural strength of the first support portion 110, the center-to-center distance between two adjacent first filling holes B is not less than the maximum diameter of each first filling hole.

[0085] And / or, a fourth filling hole A is provided on one end face of the filler for fixing to the first support 110. The fourth filling hole A is a blind hole, which only has an opening on one side facing the first support 110. The adhesive for bonding the first support 110 and the filler is applied to the surface of the filler that contacts the first support 110 and filled into the fourth filling hole A. This can increase the stability of the fixation between the first support 110 and the filler, that is, enhance the adhesion between the two.

[0086] Furthermore, multiple fourth filling holes A are provided. These fourth filling holes A can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each fourth filling hole A. It should be noted that if there are n fourth filling holes A, the overlapping area of ​​the first support part 110 and the filler only covers m of the fourth filling holes A, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m fourth filling holes A.

[0087] For example, the fourth filling hole A is a circular hole, and multiple fourth filling holes A are arranged in a matrix. Furthermore, in order to reduce the impact of the fourth filling holes AB on the structural strength of the filler, the center-to-center distance between two adjacent fourth filling holes A is not less than the maximum diameter of each fourth filling hole A.

[0088] Furthermore, if the first support portion 110 is provided with a first filling hole B and the filling element is provided with a fourth filling hole A, the first filling hole B and the fourth filling hole A are symmetrically provided.

[0089] Furthermore, if the first support portion 110 is provided with a first filling hole B and the filling member is provided with a fourth filling hole A, the first filling hole B and the fourth filling hole A are staggered in the projection of the first direction X.

[0090] If the first support portion 110 has both a first filling hole A and a first filling hole B, one embodiment is that the first filling hole A and the first filling hole B are not connected. In this embodiment, the first filling hole A and the first filling hole B can be symmetrically arranged, that is, the axis of the first filling hole B coincides with the axis of the first filling hole A. The first filling hole B and the first filling hole A can also be staggered in their projections in the first direction X. Another embodiment is that the first filling hole B and the first filling hole A are connected.

[0091] Furthermore, between the second support portion 120 and the filler, a second filling hole B is provided on the side of the second support portion 120 facing away from the second screen portion 220. The second filling hole B is a blind hole, which only has an opening on the side facing the filler. The adhesive used to bond the second support portion 120 and the filler is applied to the surface of the second support portion 120 that is in contact with the filler and is filled into the second filling hole B. This can increase the stability of the fixation between the second support portion 120 and the filler, that is, enhance the adhesion between the two.

[0092] Furthermore, multiple second filling holes B are provided. These multiple second filling holes B can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each second filling hole B. It should be noted that if n second filling holes B are provided, the overlapping area of ​​the second support 120 and the filler only covers m of the second filling holes, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m second filling holes B.

[0093] For example, the second filling hole B is a circular hole, and multiple second filling holes B are arranged in a matrix. Furthermore, in order to reduce the impact of the second filling holes B on the structural strength of the second support 120, the center-to-center distance between two adjacent second filling holes B is not less than the maximum diameter of each second filling hole.

[0094] And / or, a fourth filling hole B is provided on one end face of the filler for fixing to the second support 120. The fourth filling hole is a blind hole, which only has an opening on one side facing the second support 120. The adhesive for bonding the second support 120 and the filler is applied to the surface of the filler for contact with the second support 120 and filled into the fourth filling hole B. This can increase the stability of the fixation between the second support 120 and the filler, that is, enhance the adhesion between the two.

[0095] Furthermore, multiple fourth filling holes B are provided. These fourth filling holes B can be arranged in an orderly manner or not, which is not limited here. The colloid is uniformly filled into each fourth filling hole B. It should be noted that if there are n fourth filling holes B, the overlapping area of ​​the second support part 120 and the filler only covers m of the fourth filling holes B, where 0 < m ≤ n, and the colloid is uniformly filled into the aforementioned m fourth filling holes B.

[0096] For example, the fourth filling hole B is a circular hole, and multiple fourth filling holes B are arranged in a matrix. Furthermore, in order to reduce the impact of the fourth filling holes B on the structural strength of the second support 120, the center-to-center distance between two adjacent fourth filling holes B is not less than the maximum diameter of each fourth filling hole.

[0097] Furthermore, if the second support portion 120 is provided with a second filling hole B and the filling element is provided with a fourth filling hole B, the second filling hole B and the fourth filling hole B are symmetrically opened.

[0098] Furthermore, if the second support portion 120 is provided with a second filling hole B and the filling member is provided with a fourth filling hole B, the second filling hole B and the fourth filling hole B are staggered in the projection of the second direction Y.

[0099] If the filler has both a fourth filling hole A and a fourth filling hole B, one embodiment is that the fourth filling hole A and the fourth filling hole B are not connected. In this embodiment, the fourth filling hole A and the fourth filling hole B can be symmetrically arranged, that is, the axis of the fourth filling hole A coincides with the axis of the fourth filling hole B. The fourth filling hole A and the fourth filling hole B can also be staggered in their projections in the first direction X. Another embodiment is that the fourth filling hole A and the fourth filling hole B are connected.

[0100] Furthermore, between the third support portion 130 and the second screen body 200, a fifth filling hole is provided on the side of the third support portion 130 facing the second screen portion 220. The fifth filling hole is a blind hole, which only has an opening on the side facing the second screen body 200. The adhesive used to bond the third support portion 130 and the second screen body 200 is applied to the surface of the third support portion 130 that is in contact with the second screen body 200 and filled into the fifth filling hole. This can increase the stability of the fixation between the third support portion 130 and the second screen body 200, that is, enhance the adhesion between the two.

[0101] Furthermore, multiple fifth filling holes are provided. These fifth filling holes can be arranged in an orderly manner or not; no specific arrangement is required. The colloid is uniformly filled into each fifth filling hole. It should be noted that if there are n fifth filling holes, the overlapping area of ​​the third support part 130 and the second screen body 200 only covers m of the second filling holes, where 0 < m ≤ n. The colloid is then uniformly filled into the aforementioned m fifth filling holes.

[0102] For example, the fifth filling hole is a circular hole, and multiple fifth filling holes are arranged in a matrix. Furthermore, in order to reduce the impact of the fifth filling holes on the structural strength of the third support 130, the center distance between two adjacent fifth filling holes is not less than the maximum diameter of each second filling hole.

[0103] For example, when the second screen portion 220 is not bent, the screen body 200 is cross-shaped in the plane defined by the second direction Y and the third direction. That is, the first screen portion 210 is rectangular, and each side is connected to a second screen portion 220. After the second screen portion 220 is bent, the four sides of the periphery of the first screen portion 210 form arc surfaces. Correspondingly, the first support portion 110 of the support member 100 is rectangular, and each side of the first support portion 110 is connected to the second support portion 120 through a third support portion 130.

[0104] A flexible display is also provided, including a housing and the aforementioned flexible display module. The housing has a display window, the flexible display module is installed inside the housing, and a first screen portion 210 and a portion of a second screen portion 220 are exposed outside the housing from the display window.

[0105] For example, the housing includes a bottom wall and peripheral sidewalls. The peripheral sidewalls are connected end to end around a first straight line to form a cylindrical structure. The first straight line is parallel to a first direction X. One end of the cylindrical structure is fixed to the bottom wall in the first direction X, and the other end forms a display window. Further, the distance between the first support portion 110 and the second support portion 120 in the first direction X is L1, and the height of the peripheral sidewall in the first direction X is L2, satisfying L1 > L2. That is, the second support portion 120 is installed inside the housing, the first support portion 110 and part of the third support portion 130 are located outside the display window, the first screen portion 210 is installed on the first support portion 110, and the second screen portion 220 is installed on the third support portion 130. In this way, the first screen portion 210 can serve as the main display area of ​​the flexible display, while the second screen portion 220 is formed at the edge and has a rounded transition, which can reduce the black border area at the edge of the flexible display.

[0106] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A flexible display module, characterized in that, include: A support member (100) includes a first support portion (110), a second support portion (120), and a third support portion (130). The first support portion (110) and the second support portion (120) are spaced apart in a first direction (X) and on the same side in a second direction (Y). The third support portion (130) connects the first support portion (110) and the second support portion (120) to form a U-shaped groove (140). In the cross section determined by the first direction (X) and the second direction (Y), the third support portion (130) is arc-shaped, and its center is located in the U-shaped groove (140). The screen body (200) is located outside the U-shaped groove (140). The screen body (200) includes a first screen part (210) and a second screen part (220). The first screen part (210) is fixed to the first support part (110). The second screen part (220) is attached to the third support part (130) and the second support part (120). The first screen part (210) and the second screen part (220) are connected. The first direction (X) and the second direction (Y) are set perpendicularly.

2. The flexible display module according to claim 1, characterized in that, The first screen portion (210) and the first support portion (110) are fixed by adhesive bonding.

3. The flexible display module according to claim 2, characterized in that, The first screen portion (210) and the first support portion (110) are connected by pressure-sensitive adhesive.

4. The flexible display module according to claim 3, characterized in that, The thickness of the pressure-sensitive adhesive is 30μm-50μm.

5. The flexible display module according to claim 3, characterized in that, The pressure-sensitive adhesive has a viscosity of 1000gf / 25mm.

6. The flexible display module according to claim 3, characterized in that, The first support part (110) has a receiving groove, and the pressure-sensitive adhesive is filled in the receiving groove.

7. The flexible display module according to claim 6, characterized in that, It also includes a support film (400), which is installed in the receiving groove to support the first screen portion (210).

8. The flexible display module according to claim 1, characterized in that, It also includes a protective component (500), which is fixed to the screen body (200), and the second screen part (220) is sandwiched between the protective component (500) and the third support part (130).

9. The flexible display module according to claim 1, characterized in that, It also includes a filler, which is installed in the U-shaped groove (140) and supports the first support portion (110) and the second support portion (120) in the first direction (X).

10. A flexible display, characterized in that, The device includes a housing and a flexible display module as described in any one of claims 1-9, wherein the housing has a display window, the flexible display module is installed inside the housing, and the first screen portion (210) and a portion of the second screen portion (220) are exposed outside the housing from the display window.

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