CN113611214B - Support structure, flexible display device and attaching method - Google Patents
Support structure, flexible display device and attaching method Download PDFInfo
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- CN113611214B CN113611214B CN202110890063.9A CN202110890063A CN113611214B CN 113611214 B CN113611214 B CN 113611214B CN 202110890063 A CN202110890063 A CN 202110890063A CN 113611214 B CN113611214 B CN 113611214B
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention relates to a support structure for supporting a flexible display panel, which comprises a rigid support plate, wherein the rigid support plate comprises a non-bending area and a bendable area which is positioned on at least one side of the non-bending area along a first direction, the bendable area is provided with a patterning structure, the patterning structure comprises a plurality of through holes or a plurality of grooves, and the through holes or the grooves are filled with elastic fillers. The invention also relates to a display device and a bonding method.
Description
Technical Field
The invention relates to the technical field of manufacturing of display products, in particular to a supporting structure, a flexible display device and a bonding method.
Background
The industrial OLED module stacking scheme is of a sandwich structure and comprises a cover plate, a flexible OLED display module and a reinforcing steel sheet. The cover plate is used for lifting the front impact of the display module, and plays a role in protecting OLED display; the reinforced steel sheet plays a role in back reinforcement, heat dissipation and connection central control of the display module.
In the 3D curved surface product, because the cover plate and the reinforcing steel sheet are both made of rigid materials and need to be formed by hot bending in advance, the situation of hard adhesion exists in the process of adhering the cover plate and the reinforcing steel sheet to the display module. However, in the actual process, there is a deviation factor of the lamination tolerance, which results in the problem that the cover plate and the reinforced steel sheet cannot be completely overlapped, so that edge bubbles and virtual lamination are generated.
Disclosure of Invention
In order to solve the technical problems, the invention provides a supporting structure, a flexible display device and a bonding method, which solve the problems of generating bubbles, virtual bonding and the like when bonding reinforcing steel sheets.
In order to achieve the above purpose, the technical scheme adopted by the embodiment of the invention is as follows: a support structure for supporting a flexible display panel, the support structure comprising a rigid support plate comprising a non-bending region and a bendable region located on at least one side of the non-bending region along a first direction, the bendable region being provided with a patterning structure comprising a plurality of through holes or a plurality of grooves, a plurality of through holes or a plurality of grooves being filled with an elastic filler;
the rigid support plate comprises a support surface for supporting the flexible display panel and a back surface opposite to the support surface, the back surface is attached with a UV glue structure, the UV glue structure comprises a first part and a second part, the first part is arranged along the thickness direction of the rigid support plate, the first part is filled in the through hole or the groove to form the elastic filler, and the second part forms a flat layer positioned on the back surface.
Optionally, the rigid support plate is made of aluminum material.
Optionally, the patterned structure includes a plurality of through holes, and the through holes are bar-shaped through holes extending in a second direction perpendicular to the first direction.
Optionally, the patterning structure includes a plurality of hollow portions that set up side by side along the second direction, every row the hollow portion includes a plurality of the through-hole, every row be the connecting region between two adjacent through-holes in the hollow portion, the orthographic projection of connecting region in the first direction is located adjacent row the hollow portion's corresponding the through-hole.
Optionally, in two adjacent rows of the hollowed-out parts in the patterned structure, one row of the hollowed-out parts is provided with a first connecting area, the other row of the hollowed-out parts is provided with a first through hole corresponding to the first connecting area, and the orthographic projection of the first connecting area in the first direction is positioned in the center of the first through hole.
Optionally, the hollowed-out parts are arranged at equal intervals along the first direction.
Optionally, the plurality of through holes in each row of the hollowed-out parts are arranged at equal intervals along the second direction.
Optionally, the patterning structure includes two first edges that set up relatively along the second direction, and is listed as many the fretwork portion includes first fretwork portion and the second fretwork portion that the interval set up, first fretwork portion is close to first edge the through-hole does not run through first edge, second fretwork portion is close to first edge the through-hole runs through first edge sets up.
Optionally, the bendable region includes a first boundary line critical to the non-bending region, an extending direction of the first boundary line is parallel to the second direction, the patterned structure includes a third hollowed-out portion disposed near the non-bending region, and at least part of the third hollowed-out portion is located at one side of the first boundary line near the non-bending region.
Optionally, one end of the bendable region away from the non-bending region includes a second boundary line with a curvature of 0, and the patterned structure includes a fourth hollowed-out portion far away from the non-bending region, at least a portion of the fourth hollowed-out portion is located at a side of the second boundary line away from the non-bending region.
Optionally, the patterning structure includes a plurality of grooves, the grooves are stripe-shaped grooves extending along a second direction perpendicular to the first direction, and the stripe-shaped grooves penetrate through edges of the bendable region along the second direction.
Optionally, a plurality of the strip-shaped grooves are arranged at equal intervals along the first direction.
Optionally, the bendable region includes a first boundary line critical to the non-bending region, an extending direction of the first boundary line is parallel to the second direction, the patterned structure includes a first strip-shaped groove disposed near the non-bending region, and at least part of the first strip-shaped groove is located at a side of the first boundary line near the non-bending region.
Optionally, an end of the bendable region away from the non-bending region includes a second boundary line with a curvature of 0, and the patterned structure includes a second strip-shaped groove disposed away from the non-bending region, at least a portion of the second strip-shaped groove being located on a side of the second boundary line away from the non-bending region.
The embodiment of the invention also provides a flexible display device which comprises a flexible display panel and the support structure attached to the backlight side of the flexible display panel.
The embodiment of the invention also provides a bonding method for bonding the support structure on the flexible display panel, which specifically comprises the following steps:
attaching the flexible display panel to the support structure without the elastic filler;
and filling elastic filler into the through holes or the grooves.
Optionally, filling elastic filler in the through holes or the grooves specifically includes:
spraying UV glue on the bendable region, wherein the UV glue is filled into the through holes or the grooves;
curing the UV glue to form the elastic filler;
or, filling elastic filler in the through holes or the grooves, which specifically comprises:
coating UV glue on a substrate layer;
attaching the substrate coated with the UV adhesive to the flexible display surface;
and after part of the UV glue is filled into the through holes or the grooves, curing the UV glue.
The beneficial effects of the invention are as follows: the bending area is provided with a patterning structure, the patterning structure comprises a plurality of through holes or a plurality of grooves, stress is reduced, and elastic fillers are filled in the through holes or the grooves, so that the problems of bubbles, virtual adhesion and the like are solved, and the strength of the bending area is ensured.
Drawings
FIG. 1 is a schematic view of a support structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of a support structure;
FIG. 3 shows an enlarged partial schematic view of FIG. 1;
FIG. 4 is a schematic diagram showing a state of the support structure assembled with the flexible display panel according to the embodiment of the invention;
FIG. 5 is a schematic diagram showing a second state of the support structure assembled with the flexible display panel according to the embodiment of the invention;
FIG. 6 shows an enlarged partial schematic view of FIG. 5
FIG. 7 is a schematic diagram showing a state of the support structure without the elastic filler attached to the flexible display panel according to the embodiment of the invention;
fig. 8 is a schematic view showing a part of a structure of the support structure assembled with the flexible display panel according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 6, in this embodiment, a support structure is provided for supporting a flexible display panel 2, the support structure includes a rigid support plate 1, the rigid support plate 1 includes a non-bending region 11 and a bendable region 12 located on at least one side of the non-bending region 11 along a first direction (refer to X direction in fig. 1), the bendable region 12 is provided with a patterned structure, the patterned structure includes a plurality of through holes 101 or a plurality of grooves 102, and a plurality of through holes 101 or a plurality of grooves 102 are filled with an elastic filler 10;
the rigid support plate 1 comprises a support surface for supporting the flexible display panel 2, and a back surface opposite to the support surface, wherein the back surface is attached with a UV glue structure, the UV glue structure comprises a first part and a second part, the first part is arranged along the thickness direction of the rigid support plate 1, the first part is filled in the through hole 101 or the groove 102 to form the elastic filler 10, and the second part forms a flat layer positioned on the back surface. The bendable region 12 is provided with a patterning structure, the patterning structure comprises a plurality of through holes 101 or a plurality of grooves 102, elastic fillers 10 are filled in the through holes 101 or the grooves 102, the rigidity of the supporting structure is reduced, the bending capability of the supporting structure is improved, the problems of bubbles, virtual adhesion and the like are solved, the reliability of a metal supporting member is improved, and the strength of the bendable region 12 is ensured by the arrangement of the elastic fillers 10.
In this embodiment, the supporting structure may be attached to the flexible display panel 2, so as to avoid the problem of air bubbles and virtual attachment. The support structure and the flexible display panel 2 may be bonded when the elastic filler 10 is not filled, and due to the arrangement of the patterning structure, the bending capability of the support structure is improved, the rigidity of the support structure is weakened, the problem of bubbles and virtual adhesion can be more effectively avoided, after the support structure and the flexible display panel 2 are bonded, the elastic filler 10 is filled again to reinforce, the defect of rigidity caused by the arrangement of the patterning structure can be compensated, and the strength of the bendable region 12 is ensured. Fig. 4 is a schematic view showing a state where the support structure filled with the elastic filler 10 is attached to the flexible display panel 2, and fig. 5 is a schematic view showing a state where the support structure filled with the elastic filler 10 is attached to the flexible display panel 2.
In this embodiment, the mode that the whole surface of the back is attached to the UV glue structure is adopted, so that the flatness of the back of the supporting structure can be ensured.
In some implementations of this embodiment, the rigid support plate is made of an aluminum material. The aluminum has better heat radiation performance and more remarkable heat radiation effect on a vehicle-mounted large area.
As shown in fig. 1 and 3, in some implementations of the present embodiment, the patterned structure includes a plurality of through holes 101, and the through holes 101 are stripe-shaped through holes extending in a second direction (refer to a Y direction in fig. 1) perpendicular to the first direction.
The specific arrangement manner of the strip-shaped through holes may be various, in some implementations of this embodiment, the patterning structure includes a plurality of hollow portions 121 (i.e., a set of one row of through holes represented in a rectangular dashed frame) arranged side by side along the second direction, each row of hollow portions 121 includes a plurality of through holes 101, a connection area is between two adjacent through holes 101 in each row of hollow portions 121, and an orthographic projection of the connection area in the first direction is located on the corresponding through hole 101 of the hollow portion 121 in the adjacent row.
In some implementations of this embodiment, in two adjacent rows of the hollowed-out portions 121 in the patterned structure, one of the connecting regions in one row of the hollowed-out portions 121 is a first connecting region, and the through hole 101 corresponding to the first connecting region in the other row of the hollowed-out portions 121 is a first through hole, and the orthographic projection of the first connecting region in the first direction is located at the center of the first through hole, referring to fig. 3.
By adopting the scheme, the uniformity of stress is ensured.
It should be noted that, lengths of the plurality of through holes 101 in the plurality of rows of hollowed-out portions 121 in the second direction may be the same or different, and distribution of the plurality of through holes 101 may be set according to actual needs, so that positions of connection areas between two adjacent through holes 101 in one row of hollowed-out portions 121 may be different corresponding to positions in other rows of hollowed-out portions 121.
In some implementations of this embodiment, the plurality of rows of the hollowed-out portions 121 are disposed at equal intervals along the first direction, but not limited thereto.
In a specific implementation manner of this embodiment, the interval b between two adjacent rows of the hollowed-out portions 121 is 0.2mm-0.5mm.
In some implementations of this embodiment, the through holes 101 in each row of the hollowed-out portions 121 are disposed at equal intervals along the second direction, but not limited thereto.
In a specific implementation manner of this embodiment, in the second direction, a distance c between two adjacent through holes 101 in the same row of hollowed-out parts 121 is 0.5mm-2mm, that is, a length of the connection area in the second direction is 0.5mm-2mm.
In some implementations of this embodiment, the widths of the plurality of through holes 101 in the first direction are the same, and in a specific implementation, the width a of each through hole 101 in the first direction is 0.5mm to 1mm.
In some implementations of this embodiment, the lengths of the plurality of through holes 101 in the second direction are the same, and the length L of each through hole 101 in the second direction line is determined by the length of the connection region in the second direction and the width of the rigid support plate in the second direction.
In some implementations of this embodiment, both ends of the through hole in the second direction are rounded ends, but not limited thereto, for example, the shape of the through hole may be elliptical, bony, or the like.
In some implementations of this embodiment, the patterned structure includes two first edges disposed opposite to each other along the second direction, the plurality of rows of hollowed-out portions 121 include first hollowed-out portions and second hollowed-out portions disposed at intervals, the through holes (second through holes 1011) of the first hollowed-out portions near the first edges do not penetrate through the first edges, and the through holes (third through holes 1012) of the second hollowed-out portions near the first edges penetrate through the first edges.
If a certain distance is provided between the edge through holes of the plurality of rows of the hollowed-out portions 121 near the first edge and the first edge, that is, the portion between the first edge and the edge through holes is a non-hollowed-out solid portion, when the bending is performed, the stress applied to the non-hollowed-out solid portion at the portion between the first edge and the edge through holes is relatively large, and the bendable region 12 is easy to break. In this embodiment, the third through hole 1012 of the second hollowed-out portion reduces the stress applied to the non-hollowed-out solid portion between the first edge and the edge through hole, so as to avoid the edge of the bendable region 12 from breaking.
In an implementation manner of this embodiment, the through holes 101 of each row of the hollowed-out portions 121 near the first edge penetrate through the first edge, so that the flexibility of the support structure in the first direction is effectively improved, and the edge fracture of the bendable region 12 is avoided.
In some implementations of this embodiment, the bendable region 12 includes a first boundary line 1000 critical to the non-bending region 11, an extending direction of the first boundary line 1000 is parallel to the second direction, the patterned structure includes a third hollowed-out portion disposed near the non-bending region 11, and at least a portion of the third hollowed-out portion is located on a side of the first boundary line 1000 near the non-bending region 11.
In fig. 6, a portion of the third hollowed-out portion is located at a side of the first boundary line 1000 near the non-bending region 11, that is, the first boundary line 1000 coincides with the third hollowed-out portion, and the first edge line 3000 of a side of the third hollowed-out portion near the non-bending region 11 is located at a side of the first boundary line 1000 near the non-bending region 11, but not limited thereto, for example, in some embodiments, the third hollowed-out portion may be completely located at a side of the first boundary line 1000 near the non-bending region 11, and when the third hollowed-out portion is completely located at a side of the first boundary line 1000 near the non-bending region 11, the number of the third hollowed-out portions may be set according to practical needs.
In the fitting process, the bendable region 12 of the supporting structure corresponds to the bendable region 12 of the flexible display panel 2, the non-bending region 11 of the supporting structure corresponds to the non-bending region 11 of the flexible display panel 2, and the arrangement of the patterning structure reduces the stress of the bendable region 12 of the supporting structure so as to facilitate fitting, however, if the supporting structure deviates in the first direction due to fitting tolerance, the region where the patterning structure is not arranged may correspond to the bendable region 12 of the flexible display panel 2, and thus air bubbles or virtual fitting problems are easy to occur. At least a portion of the third hollowed-out portion is located at a side of the first boundary line 1000 near the non-bending region 11, so that the problem that the patterned structure is offset along the first direction in a direction away from the non-bending region 11 due to the lamination tolerance, and bubbles or virtual adhesion cannot be solved is avoided.
In some implementations of this embodiment, an end of the bendable region 12 away from the non-bending region 11 includes a second boundary line 2000 with a curvature of 0, and the patterned structure includes a fourth hollowed-out portion disposed away from the non-bending region 11, at least a portion of which is located on a side of the second boundary line 2000 away from the non-bending region 11.
In fig. 6, a portion of the fourth hollowed-out portion is located on a side of the second boundary line 2000 away from the non-bending region 11, that is, the second boundary line 2000 coincides with the fourth hollowed-out portion, that is, the second edge line 4000 of the side of the fourth hollowed-out portion away from the non-bending region 11 is located on a side of the second boundary line 2000 away from the non-bending region 11, but this is not limited thereto, for example, in some embodiments, the fourth hollowed-out portion may be completely located on a side of the second boundary line 2000 away from the non-bending region 11, and when the fourth hollowed-out portion is completely located on a side of the second boundary line 2000 close to the non-bending region 11, the number of the fourth hollowed-out portion may be set according to practical needs.
By adopting the technical scheme, the patterning structure on the supporting structure is ensured to correspond to the bendable region 12 of the flexible display panel 2, and poor lamination caused by offset of the supporting structure in the first direction due to lamination tolerance is avoided.
In fig. 6, the distance between the first boundary line 1000 and the first edge line is the same as the distance between the second boundary line 2000 and the second edge line, and in some embodiments, the distance S between the first boundary line 1000 and the first edge line is 0.5-1.5mm, but not limited thereto.
The width w=k+2s of the patterned structure in the first direction, where K is the arc length of the bending region between the first boundary line 1000 and the second boundary line 2000.
The distance S between the first boundary line 1000 and the first edge line depends on the manufacturing process accuracy and the bonding accuracy.
In some implementations of this embodiment, the patterned structure includes a plurality of grooves 102, where the grooves 102 are stripe-shaped grooves extending along a second direction perpendicular to the first direction, and the stripe-shaped grooves are disposed along the second direction and penetrate through an edge of the bendable region 12, referring to fig. 8.
The arrangement of the strip-shaped grooves reduces the stress of the bendable region 12, is convenient for lamination, and avoids the occurrence of the problems of bubbles, virtual lamination and the like.
Since the grooves 102 do not penetrate the supporting structure in the thickness direction of the supporting structure, the bending performance is reduced compared with the through hole 101, and in order to improve the bending performance of the bendable region 12, the grooves 102 in this embodiment are bar-shaped grooves extending along a second direction perpendicular to the first direction, and the bar-shaped grooves penetrate the edge of the bendable region 12 along the second direction.
In some implementations of this embodiment, the plurality of bar-shaped grooves are disposed at equal intervals along the first direction.
In some implementations of this embodiment, the bendable region 12 includes a first boundary line 1000 bordering the non-bending region 11, the extending direction of the first boundary line 1000 is parallel to the second direction, and the patterned structure includes a first stripe-shaped groove disposed near the non-bending region 11, and at least a portion of the first stripe-shaped groove is located on a side of the first boundary line 1000 near the non-bending region 11.
Some of the first strip-shaped grooves are located on a side of the first boundary line 1000 near the non-bending region 11, that is, the first boundary line 1000 coincides with the first strip-shaped grooves, but not limited thereto, for example, in some embodiments, the first strip-shaped grooves may be completely located on a side of the first boundary line 1000 near the non-bending region 11, and when the first strip-shaped grooves are completely located on a side of the first boundary line 1000 near the non-bending region 11, the number of the first strip-shaped grooves may be set according to practical needs.
In some implementations of this embodiment, an end of the bendable region 12 away from the non-bending region 11 includes a second boundary line 2000 having a curvature of 0, and the patterned structure includes a second strip-shaped groove disposed away from the non-bending region 11, and at least a portion of the second strip-shaped groove is located on a side of the second boundary line 2000 away from the non-bending region 11.
Some of the second strip-shaped grooves are located on a side of the second boundary line 2000 away from the non-bending region 11, that is, the second boundary line 2000 coincides with the second strip-shaped grooves, but not limited thereto, for example, in some embodiments, the second strip-shaped grooves may be completely located on a side of the second boundary line 2000 away from the non-bending region 11, and when the second strip-shaped grooves are completely located on a side of the second boundary line 2000 away from the non-bending region 11, the number of the second strip-shaped grooves may be set according to practical needs.
In some embodiments of the present embodiment, the elastic filler 10 is a UV glue filling layer, but not limited thereto.
The UV glue is directly coated on the bendable region 12 to form the elastic filling layer, so that the cost is saved.
The embodiment of the invention also provides a flexible display device, which comprises the flexible display panel 2, the cover plate 3 and the supporting structure attached to the backlight side of the flexible display panel 2, wherein the cover plate 3 is attached to the light emitting side of the flexible display panel 2.
The embodiment of the invention also provides a bonding method for bonding the support structure to the flexible display panel 2, which specifically comprises the following steps:
attaching the flexible display panel 2 to the support structure without the elastic filler 10;
the elastic filler 10 is filled in the plurality of through holes 101 or the plurality of grooves 102.
In this embodiment, the flexible display panel 2 is attached to the cover plate 3 before being attached to the support structure.
In some implementations of this embodiment, the filling of the elastic filler 10 in the plurality of through holes 101 or the plurality of grooves 102 specifically includes:
spraying UV glue on the bendable region 12, wherein the UV glue is filled into the through holes 101 or the grooves 102;
curing the UV glue to form the elastomeric filler 10;
alternatively, the elastic filler 10 is filled in the through holes 101 or the grooves 102, and specifically includes:
coating UV glue on a substrate layer;
attaching the substrate coated with the UV adhesive to the flexible display surface;
and after part of the UV glue is filled into the through holes 101 or the grooves 102, curing the UV glue.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (14)
1. A support structure for supporting a flexible display panel, the support structure comprising a rigid support plate comprising a non-bending region and a bendable region located on at least one side of the non-bending region along a first direction, characterized in that the bendable region is provided with a patterning structure comprising a plurality of through holes or a plurality of grooves, wherein a plurality of through holes or a plurality of grooves are filled with an elastic filler;
the rigid support plate comprises a support surface for supporting the flexible display panel and a back surface arranged opposite to the support surface, the back surface is attached with a UV glue structure, the UV glue structure comprises a first part and a second part which are arranged along the thickness direction of the rigid support plate, the first part is filled in the through hole or the groove to form the elastic filler, and the second part forms a flat layer positioned on the back surface;
the patterning structure comprises a plurality of rows of hollowed-out parts which are arranged side by side along a second direction, each row of hollowed-out parts comprises a plurality of through holes, a connecting area is arranged between two adjacent through holes in each row of hollowed-out parts, and orthographic projection of the connecting area in the first direction is positioned on the corresponding through hole of the hollowed-out part in the adjacent row;
the bendable region comprises a first boundary line critical to the non-bending region, the extending direction of the first boundary line is parallel to the second direction, the patterning structure comprises a third hollowed-out part arranged close to the non-bending region, and at least part of the third hollowed-out part is positioned at one side of the first boundary line close to the non-bending region;
the one end that can buckle the district and keep away from the non-bending region includes the second boundary line that the camber is 0, patterning structure is including keeping away from the fourth fretwork portion that the non-bending region set up, at least part the fourth fretwork portion is located the second boundary line is kept away from the one side of non-bending region.
2. The support structure of claim 1, wherein the rigid support plate is made of an aluminum material.
3. The support structure of claim 1, wherein the patterned structure comprises a plurality of through holes, the through holes being bar-shaped through holes extending in a second direction perpendicular to the first direction.
4. The support structure according to claim 1, wherein, in two adjacent rows of the hollowed-out portions in the patterned structure, one of the hollowed-out portions is a first connection area, and the through hole corresponding to the first connection area on the other row of hollowed-out portions is a first through hole, and the orthographic projection of the first connection area in the first direction is located at the center of the first through hole.
5. The support structure of claim 1, wherein a plurality of rows of the hollowed-out portions are disposed at equal intervals along the first direction.
6. The support structure of claim 1, wherein the plurality of through holes in each row of hollowed-out portions are disposed at equal intervals along the second direction.
7. The support structure of claim 1, wherein the patterning structure comprises two first edges disposed opposite to each other along the second direction, the plurality of rows of hollowed-out portions comprise first hollowed-out portions and second hollowed-out portions disposed at intervals, the through holes of the first hollowed-out portions near the first edges do not penetrate the first edges, and the through holes of the second hollowed-out portions near the first edges penetrate the first edges.
8. The support structure of claim 1, wherein the patterned structure comprises a plurality of grooves, the grooves being stripe-shaped grooves extending in a second direction perpendicular to the first direction, the stripe-shaped grooves disposed through an edge of the pliable region in the second direction.
9. The support structure of claim 8, wherein a plurality of the bar-shaped grooves are equally spaced along the first direction.
10. The support structure of claim 8, wherein the deflectable region comprises a first boundary line bordering the non-deflectable region, the first boundary line extending in a direction parallel to the second direction, the patterned structure comprising a first stripe-shaped groove disposed proximate the non-deflectable region, at least a portion of the first stripe-shaped groove being located on a side of the first boundary line proximate the non-deflectable region.
11. The support structure of claim 8, wherein an end of the deflectable region remote from the non-deflectable region comprises a second boundary line having a curvature of 0, the patterned structure comprising a second stripe-shaped groove disposed remote from the non-deflectable region, at least a portion of the second stripe-shaped groove being located on a side of the second boundary line remote from the non-deflectable region.
12. A flexible display device comprising a flexible display panel, and the support structure of any of claims 1-11 attached to a backlight side of the flexible display panel.
13. A method of attaching the support structure of any one of claims 1-11 to a flexible display panel, comprising:
attaching the flexible display panel to the support structure without the elastic filler;
and filling elastic filler into the through holes or the grooves.
14. The fitting method according to claim 13, wherein the filling of the plurality of through holes or the plurality of grooves with the elastic filler comprises:
spraying UV glue on the bendable region, wherein the UV glue is filled into the through holes or the grooves;
curing the UV glue to form the elastic filler;
or, filling elastic filler in the through holes or the grooves, which specifically comprises:
coating UV glue on a substrate layer;
attaching the substrate coated with the UV adhesive to the flexible display surface;
and after part of the UV glue is filled into the through holes or the grooves, curing the UV glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114038324A (en) * | 2021-11-24 | 2022-02-11 | 武汉华星光电半导体显示技术有限公司 | Supporting assembly and flexible display device |
| CN114311174A (en) * | 2021-12-30 | 2022-04-12 | 龙岩市锐美家装饰材料有限公司 | Preparation method of bendable melamine veneer |
| CN114360377B (en) * | 2021-12-31 | 2023-12-22 | 合肥维信诺科技有限公司 | Supporting sheet, preparation method thereof and flexible display panel |
| CN114446173B (en) * | 2022-02-10 | 2023-10-31 | 武汉华星光电半导体显示技术有限公司 | display module |
| CN115188268B (en) * | 2022-06-22 | 2023-10-20 | 广州国显科技有限公司 | Flexible display screen supporting assembly, flexible display assembly and folding display terminal |
| CN116092382A (en) * | 2022-12-30 | 2023-05-09 | 上海天马微电子有限公司 | Foldable film structure, preparation method thereof, display panel and display device |
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