CN113589564A - Display module and display device - Google Patents

Display module and display device Download PDF

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Publication number
CN113589564A
CN113589564A CN202010366391.4A CN202010366391A CN113589564A CN 113589564 A CN113589564 A CN 113589564A CN 202010366391 A CN202010366391 A CN 202010366391A CN 113589564 A CN113589564 A CN 113589564A
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CN
China
Prior art keywords
groove
display
display panel
middle frame
display module
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Granted
Application number
CN202010366391.4A
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Chinese (zh)
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CN113589564B (en
Inventor
杨勇
余亚军
胡进
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Oneplus Technology Shenzhen Co Ltd
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Oneplus Technology Shenzhen Co Ltd
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Priority to CN202010366391.4A priority Critical patent/CN113589564B/en
Publication of CN113589564A publication Critical patent/CN113589564A/en
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Publication of CN113589564B publication Critical patent/CN113589564B/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

Abstract

The invention discloses a display module and a display device, and relates to the technical field of display. The display module assembly includes: a display panel; the backlight module is stacked with the display panel; the backlight module comprises an optical assembly and a back plate which are stacked, and the optical assembly is arranged close to the display panel; the middle frame is used for fixing the display panel and the backlight module; a groove is formed in one end, close to the back plate, of the middle frame; the back plate is provided with a side plate inserted into the groove; the side plate is connected with the inner wall of the groove. The display device comprises the display module. The invention can realize that the frame of the display module is extremely narrow and has stronger connection strength.

Description

Display module and display device
Technical Field
The invention relates to the technical field of display, in particular to a display module and a display device.
Background
At present, display modules are widely applied to electronic products with display functions, such as televisions, computers, mobile phones and the like. However, in the conventional display module, the middle frame is usually fixedly connected to the back panel by using glue (or adhesive tape) or a snap connection at the bottom of the middle frame.
As shown in fig. 1, the middle frame 13 has a large joint portion, and a double-sided tape 14 is disposed on a bottom surface of the joint portion to realize a fixed connection between the middle frame 13 and the back panel 12. However, the bonding surface size B between the joint portion and the back plate 12 needs to reach more than 4mm to realize the stable connection between the middle frame 13 and the back plate 12, and the bonding surface size B is large, and occupies most of the expansion space of the optical assembly 11, so that the frame width a of the display module cannot be extremely narrow. The frame width a refers to the distance between the side of the display panel 10 and the outer side of the middle frame 13.
As shown in fig. 2, the middle frame 23 is connected to the back plate 22 by means of a snap. Specifically, a clamping groove 23a is arranged at one end of the middle frame 23 close to the back plate 22, a clamping portion 22a matched with the clamping groove 23a is arranged on the back plate 22, and the middle frame 23 is fixedly connected with the back plate 22 through the clamping connection of the clamping portion 22a and the clamping groove 23 a. However, when the engaging portion 22a is connected to the engaging groove 23a, chips may be generated and fall into the display module, resulting in poor products. Meanwhile, when the middle frame 23 is of a plastic structure, the expansion space of the optical assembly 21 is occupied by the buckle connection mode, so that the frame width a of the display module cannot be extremely narrow. In addition, the snap connection requires a certain height, so that the height dimension C of the middle frame 23 cannot be made thin, which is contrary to the development requirement of the lightness and thinness of the current electronic device.
Disclosure of Invention
The present invention is directed to overcome the defects of the prior art, and provides a display module and a display device, so as to implement a very narrow frame of the display module.
To solve the above problems, the present invention provides:
a display module, comprising:
a display panel;
the backlight module is stacked with the display panel; the backlight module comprises an optical assembly and a back plate which are stacked, and the optical assembly is arranged close to the display panel;
the middle frame is used for fixing the display panel and the backlight module;
a groove is formed in one end, close to the back plate, of the middle frame; the back plate is provided with a side plate inserted into the groove; the side plate is connected with the inner wall of the groove.
Furthermore, both sides face and the end face of the side plate are connected with the inner wall of the groove, so that the side plate is connected with three sides of the inner wall of the groove.
Furthermore, the side plates are bonded with the inner walls of the grooves through glue.
Furthermore, one end of the groove, which is far away from the opening end of the groove, is provided with an accommodating cavity, and the accommodating cavity is used for storing glue.
Furthermore, the width of the accommodating cavity is gradually reduced towards the bottom of the groove.
Furthermore, an overflow stopping groove for stopping the overflow of the glue is arranged at the opening end of the groove.
Furthermore, the section plane of the side plate is corrugated.
Further, the back plate further comprises a bottom plate for carrying the optical assembly; the bottom plate and the side plates are formed by bending the same panel.
Furthermore, one end of the middle frame, which is close to the display panel, is provided with a supporting part, and the supporting part extends between the display panel and the optical assembly; the support portion is used for supporting the display panel.
In addition, the invention also provides a display device which comprises the display module.
The invention has the beneficial effects that: the invention provides a display module, wherein a groove is formed in one end, close to a back plate, of a middle frame, correspondingly, a side plate inserted into the groove is arranged on the back plate, and the back plate is fixedly connected with the middle frame through connection of the side plate and the inner wall of the groove. According to the display module, the bonding surface of the back plate and the middle frame is embedded in the middle frame, and the bonding surface is expanded to the direction vertical to the width direction of the frame of the display module, so that the occupied space of the bonding surface in the width direction of the frame can be reduced, the occupation of expansion space of the optical assembly is reduced, and the width of the frame of the display module can be extremely narrow.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a display module according to the prior art;
FIG. 2 is a schematic diagram of another prior art display module;
FIG. 3 is a schematic structural diagram of a display module according to a preferred embodiment of the invention;
FIG. 4 is a schematic diagram of a middle frame according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of a display module according to another preferred embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a middle frame in another preferred embodiment of the present invention;
FIG. 7 is a sectional view of the side plate of the preferred embodiment of the present invention;
fig. 8 is a sectional view showing a side plate according to another preferred embodiment of the present invention.
Description of the main element symbols:
10-a display panel; 11/21 — an optical component; 12/22-a back panel; 13/23-middle frame; 14-double sided tape; 22 a-an engaging portion; 23 a-card slot;
30-a display panel; 30 a-a display area; 30 b-non-display area; 31-an optical component; 31 a-an optical film; 31 b-a light guide plate; 31 c-a reflector; 32-a back plate; 32 a-a bottom plate; 32 b-side plate; 33-middle frame; 33 a-grooves; 33 b-a support; 33 c-a housing chamber; 33 d-an overflow-preventing groove; 34 a-glue; 34 b-colloid.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention provides a display module to solve the problem that the width of a frame cannot be extremely narrow in the prior art. The display module can be used in electronic products with display functions, such as televisions, mobile phones, computer display screens, tablet computers and the like.
As shown in fig. 3, the display module includes a display panel 30, a backlight module and a middle frame 33; wherein, the display panel 30 and the backlight module are stacked; the middle frame 33 is disposed at one side of the display panel 30 and the backlight module. The backlight module is used for providing a light source with sufficient brightness and uniform distribution, so that the display panel 30 displays images. The middle frame 33 is used for protecting and fixing the display panel 30 and the backlight module.
The backlight module comprises an optical assembly 31 and a back plate 32 which are stacked; the optical assembly 31 is disposed on a side of the back plate 32 close to the display panel 30, that is, the optical assembly 31 is disposed between the back plate 32 and the display panel 30. The back plate 32 is used for supporting and protecting the optical assembly 31, and the optical assembly 31 is used for providing a light source with sufficient brightness and uniform distribution.
In an embodiment, the backlight module further includes a light source disposed around the optical assembly 31 for providing brightness, and light of the light source passes through the optical assembly 31 to achieve sufficient and uniform brightness, so that the display panel 30 displays a good image.
A groove 33a is formed at one end of the middle frame 33 close to the back plate 32; a side plate 32b inserted into the groove 33a is arranged on the back plate 32; the side plate 32b is connected with the inner wall of the groove 33a to realize the fixed connection between the middle frame 33 and the back plate 32.
In use, the main power consumption of the backlight module is concentrated on the optical assembly 31, and the power consumption is reflected in the form of light energy and heat energy during operation. In which, a large amount of heat is generated during the operation of the optical assembly 31, and the optical assembly 31 expands due to the heat, so that the expansion space of the optical assembly 31 needs to be reserved in the backlight module to avoid affecting the normal operation of the optical assembly 31.
In the present invention, the adhesion surface of the middle frame 33 and the back plate 32 is provided inside the middle frame 33. Through curb plate 32b with the inner wall of recess 33a is connected, the realization will the bonding face of center 33 and backplate 32 expands to the direction of perpendicular to frame width direction to can reduce the space in frame width direction and occupy, and then avoid crowding and occupy optical assembly 31's inflation space, make the frame width accomplish extremely narrowly. Meanwhile, the side plate 32b is inserted into the groove 33a, so that the limit connection between the back plate 32 and the middle frame 33 can be realized, and the connection strength between the middle frame 33 and the back plate 32 can be improved.
The technical solution of the present application is described below by way of specific examples.
Example one
As shown in fig. 3, a display module includes a display panel 30, a backlight module and a middle frame 33. The display panel 30 is disposed above the backlight module, and a gap is left between the display panel 30 and the backlight module. The middle frame 33 is disposed on a side surface of the display panel 30 and the backlight module on the same side. The middle frame 33 is used for supporting the display panel 30, and the middle frame 33 is used for preventing light leakage from the side of the display module. The Display panel 30 is an LCD (Liquid Crystal Display).
The backlight module comprises an optical assembly 31 and a back plate 32; the optical assembly 31 is disposed above the back plate 32, that is, the optical assembly 31 is disposed closer to the display panel 30 than the back plate 32; the back plate 32 serves to protect and carry the optical component 31.
The optical assembly 31 includes an optical film 31a, a light guide plate 31b, and a light reflecting plate 31c, which are sequentially stacked. The light guide plate 31b is disposed between the optical film 31a and the reflector 31 c; the optical film 31a is disposed near the display panel 30; the reflector 31c is disposed adjacent to the back plate 32.
The optical film 31a is used for improving the display brightness of the display panel 30; the optical film 31a may be a prism film, a reflective polarizer, an antireflection film, or the like to improve the brightness of the display panel 30 in the front viewing direction. The light guide plate 31b serves to guide a scattering direction of light so that light is emitted from the optical film 31a as much as possible to improve the brightness of the display panel 30 and to uniformly distribute the light. The reflector 31c is used for reflecting the light reaching the reflector 31c, so as to improve the display brightness of the display panel 30.
The back plate 32 comprises a bottom plate 32a and a side plate 32b which are connected; the bottom plate 32a and the side plate 32b form a flat L-shaped structure. In one embodiment, the bottom plate 32a and the side plate 32b are a unitary structure. Specifically, the bottom plate 32a and the side plate 32b may be cast in a mold during the manufacturing process. Of course, in other embodiments, the side panels 32b and the bottom panel 32a may be formed by bending the same panel.
In an embodiment, the back plate 32 is a metal plate to improve the strength of the back plate 32 and achieve the effect of protecting the internal optical component 31; meanwhile, the bottom plate 32a and the side plate 32b can be formed by bending conveniently. Specifically, the back plate 32 may be made of a metal material such as aluminum alloy, aluminum, stainless steel, or the like.
As shown in fig. 3 and 4, in the embodiment, the middle frame 33 is disposed on a side surface of the display panel 30 and the backlight module on the same side; the middle frame 33 is connected to the display panel 30 and the backlight module, respectively.
Specifically, one end of the middle frame 33 close to the display panel 30 is provided with a supporting portion 33 b; the support portion 33b extends into a space between the display panel 30 and the optical assembly 31, and the support portion 33b is used for supporting the display panel 30. The display panel 30 includes a display area 30a and a non-display area 30 b; the non-display area 30b is disposed near the middle frame 33. The non-display area 30b of the display panel 30 is bonded to the support portion 33b through a glue 34b, so that the display panel 30 is fixedly connected to the middle frame 33. The glue 34b may be glue or double-sided tape.
A groove 33a is formed at one end of the middle frame 33 close to the back plate 32, that is, the groove 33a is disposed at one end of the middle frame 33 far from the supporting portion 33 b. The side plate 32b on the back plate 32 is inserted into the groove 33a, and the side plate 32b is fixedly connected with the inner wall of the groove 33a, so that the fixed connection between the middle frame 33 and the back plate 32 is realized.
A cavity for accommodating the optical assembly 31 is defined between the middle frame 33 and the back plate 32; the optical assembly 31 is disposed in the cavity, and the optical assembly 31 is disposed on a side of the supporting portion 33b away from the display panel 30.
The groove 33a can be formed in one step in the pouring process of the middle frame 33; of course, the groove 33a may be formed by cutting after the middle frame 33 is molded.
In some embodiments, the cross-section of the groove 33a is a rectangular groove with a side opening.
In other embodiments, the cross-section of the groove 33a may also be an oval groove with a notch, a trapezoid groove, or other shapes.
In some embodiments, the depth of the groove 33a extends in a direction perpendicular to the width of the bezel.
In other embodiments, the depth of the groove 33a may also be slightly inclined, i.e. the included angle between the midline of the groove 33a and the width direction of the frame is slightly less than 90 °.
The side plate 32b is adhesively connected with the inner wall of the groove 33a by glue 34 a.
In an embodiment, the middle frame 33 is made of a metal material or a plastic material; the metal material is preferably aluminum or an aluminum alloy.
In the assembling process, a proper amount of glue 34a is injected into the groove 33a, the side plate 32b is inserted into the groove 33a, and the side plate 32b is fixedly connected with the groove 33a after the glue 34a is solidified. Glue 34a is filled between the left side and the right side of the side plate 32b and the inner wall of the groove 33a, so that three sides of the side plate 32b and the groove 33a are connected, the adhesive bonding area is increased, and a stable and reliable connection relation is provided. Meanwhile, the combination surface of the back plate 32 and the middle frame 33 is expanded to the direction perpendicular to the width direction of the frame, so that the occupied space in the width direction of the frame is reduced, the occupation of the expansion space of the optical assembly 31 is reduced, and the width A of the frame can be extremely narrow.
In another embodiment, during assembly, the side plate 32b may be inserted into the groove 33a, and then the glue 34a is injected into the groove 33a from two sides of the side plate 32b, so that the glue is filled between two side walls of the side plate 32b and an inner wall of the groove 33a, thereby realizing adhesion between the side plate 32b and the groove 33a, and further realizing fixed connection between the middle frame 33 and the back plate 32.
The display module provided by this embodiment can expand the joint surface between the middle frame 33 and the back plate 32 to the direction perpendicular to the width direction of the frame, thereby reducing the occupation of the expansion space of the optical assembly 31, and further making the frame width a of the display module extremely narrow. Meanwhile, the side plate 32b of the back plate 32 is bonded with at least two surfaces of the inner wall of the groove 33a, so that the connection stability of the middle frame 33 and the back plate 32 can be improved, and the structural strength of the display module is improved.
Example two
As shown in fig. 5 and fig. 6, on the basis of the first embodiment, further, an accommodating cavity 33c is provided at one end of the groove 33a away from the bottom plate 32 a; the accommodating cavity 33c is used for accommodating more glue, so that the bonding strength between the inner wall of the groove 33a and the side plate 32b is improved, and the connection stability is improved.
In an embodiment, the accommodating cavity 33c is formed by extending the groove 33a toward the bottom of the groove, and the cross section of the accommodating cavity 33c is a rectangular groove with an opening on one side. The groove bottom is the end of the groove 33a away from its own opening.
In some embodiments, further, the width of the accommodating cavity 33c gradually decreases from the end close to the opening of the groove 33a to the end of the groove bottom. Specifically, two side walls of the accommodating cavity 33c present slopes inclined toward a central line of the groove 33a, and a position of the slope near one end of the groove bottom is closer to the central line than a position far away from one end of the groove bottom; the center line refers to a center line in the groove depth direction of the groove 33 a.
In use, the slope of the accommodating cavity 33c can drain the glue, and guide the flowing direction of the glue 34a, so that the two sides of the side plate 32b can be fully adhered to the two side walls of the groove 33 a.
In other embodiments, the accommodating cavity 33c may be an arc-shaped groove with a semicircular or semi-elliptical cross-section, or the like.
In an embodiment, the open end of the recess 33a is provided with an overflow-preventing groove 33d for preventing the glue from overflowing. During the installation process, glue 34a is injected into the groove 33a, and then the side plate 32b is inserted into the groove 33a to realize the bonding; when the glue 34a is injected more, the glue 34a overflows to the open end of the groove 33a, and the overflow-preventing groove 33d can be used for storing the excessive glue 34a and preventing the glue from overflowing to the outside of the middle frame 33 to influence the appearance of the product.
In the present embodiment, the cross section of the overflow preventing groove 33d is triangular with one side open; the open side of which is disposed adjacent the interior of the recess 33 a.
In other embodiments, the overflow-preventing groove 33d may be a polygonal groove with a cross section of a semi-circle, a square, a trapezoid, or the like with a side opening for storing the excess glue 34 a.
EXAMPLE III
As shown in fig. 7, in the first embodiment or the second embodiment, further, the side plate 32b has a corrugated surface on the side wall; the corrugated surface can be selected from arc-shaped corrugated surface, square wave, triangular wave and other types of corrugated surfaces. The corrugated surface can increase the contact area between the side plate 32b and the glue 34a, so that the bonding surface between the side plate 32b and the middle frame 33 is increased, and the connection strength between the side plate 32b and the middle frame 33 is improved.
In other embodiments, the inner wall of the groove 33a may also be provided with a corrugated surface to increase the contact area between the middle frame 33 and the glue 34a, thereby improving the bonding strength between the middle frame 33 and the side plate 32 b. The corrugated surface can be selected from arc-shaped corrugated surface, square wave, triangular wave and other types of corrugated surfaces.
In other embodiments, as shown in fig. 8, the section of the side plate 32b is corrugated to increase the contact area between the side plate 32b and the glue 34a, thereby increasing the bonding surface between the side plate 32b and the middle frame 33 and improving the connection strength. The corrugations include arcuate corrugations, square waves, triangular waves, and other shaped corrugations.
Example four
The invention also provides a display device which comprises the display module. The display device can also comprise an outer frame, wherein the outer frame is arranged on the outer side of the display module and used for fixing and protecting the display module. The peripheral edges of the display panel 30, the back plate 32 and the middle frame 33 are in contact connection with the inner wall of the outer frame.
In an embodiment, the display device may be an electronic product with a display function, such as a television, a computer, a mobile phone, and the like.
According to the display device provided by the invention, the groove 33a is arranged on the middle frame 33, the side plate 32b inserted into the groove 33a is arranged on the back plate 32, and the bonding surface between the middle frame 33 and the back plate 32 is expanded to the direction vertical to the width direction of the frame, so that the occupation of the expansion space of the optical assembly 31 is reduced, the size of the width A of the frame can be further reduced, and the width of the frame of the display device can be extremely narrow. Meanwhile, the side plate 32b and the groove 33a have a large bonding area, so that the connection strength between the middle frame 33 and the rear plate 32, that is, the structural strength of the display device, can be improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A display module, comprising:
a display panel;
the backlight module is stacked with the display panel; the backlight module comprises an optical assembly and a back plate which are stacked, and the optical assembly is arranged close to the display panel;
the middle frame is used for fixing the display panel and the backlight module;
a groove is formed in one end, close to the back plate, of the middle frame; the back plate is provided with a side plate inserted into the groove; the side plate is connected with the inner wall of the groove.
2. The display module according to claim 1, wherein: the two side surfaces and the end surfaces of the side plates are connected with the inner wall of the groove, so that the side plates are connected with the three sides of the inner wall of the groove.
3. The display module according to claim 2, wherein: the side plates are bonded with the inner walls of the grooves through glue.
4. The display module according to claim 3, wherein: one end of the groove, which is far away from the opening end of the groove, is provided with an accommodating cavity, and the accommodating cavity is used for storing glue.
5. The display module according to claim 4, wherein: the width of the accommodating cavity is gradually reduced towards the bottom of the groove.
6. The display module according to any one of claims 3 to 5, wherein: and an overflow stopping groove for stopping the overflow of the glue is arranged at the opening end of the groove.
7. The display module according to claim 3, wherein: the section of the side plate is corrugated.
8. The display module according to claim 1, wherein: the backplane further comprises a backplane for carrying the optical components; the bottom plate and the side plates are formed by bending the same panel.
9. The display module according to claim 1, wherein: a supporting part is arranged at one end of the middle frame close to the display panel, and the supporting part extends into the space between the display panel and the optical assembly; the support portion is used for supporting the display panel.
10. A display device, comprising the display module according to any one of claims 1 to 9.
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