WO2021258925A1 - Backplane, backlight module, and display device - Google Patents

Abstract

A backplane (10, 10a), a backlight module, and a display device. The backplane (10) comprises: a main body portion (100) comprising a first surface (SF1) and a second surface (SF2) which are opposite to each other, the first surface (SF1) being located on a first side (S1) of the main body portion (100), and the second surface (SF2) being located on a second side (S2) of the main body portion (100); multiple first protrusions (101) located on a first edge of the main body portion (100) and located on the first side (S1) of the main body portion (100), the first protrusions (101) protruding out of the first surface (SF1) of the main body portion (100); first notches (01), each of which is located between adjacent first protrusions (101); and multiple second protrusions (102) located on the first edge (E1) of the main body portion (100) and located on the second side (S2) of the main body portion (100), the second protrusions (102) protruding out of the second surface (SF2) of the main body portion (100); and second notches (02), each of which is located between adjacent second protrusions (102). According to the backplane (10), the backlight module, and the display device, circuit elements (701, 702) of a light bar are facilitated to lead out, the weight is light, and the size is small.

Description

Backplane, backlight module and display device

Cross-references to related applications

For all purposes, this patent application claims the priority of Chinese patent application No. 202021179446.2 filed on June 23, 2020, and the content disclosed in the above Chinese patent application is quoted here in full as a part of this application.

Technical field

At least one embodiment of the present disclosure relates to a backplane, a backlight module, and a display device.

Background technique

Customers have new application scenarios for the notebook (Note Book, NB) client system, that is, a double-sided independent display system.

In the usual double-sided display device, the two modules are spliced together by means of alignment or screw fixation.

Summary of the invention

At least one embodiment of the present disclosure relates to a backlight module and a display device.

At least one embodiment of the present disclosure provides a backplane, including: a main body portion, including a first surface and a second surface opposed to each other, the first surface is located on a first side of the main body portion, and the second surface is located The second side of the main body part; a plurality of first protrusions located on the first edge of the main body part and on the first side of the main body part, the first protrusions protruding from the The first surface of the main body part; a first notch, located between adjacent first protrusions; a plurality of second protrusions, located on the first edge of the main body part, and located at all of the main body part On the second side, the second protrusion protrudes from the second surface of the main body part; and a second notch is located between adjacent second protrusions.

For example, according to the backplane provided by some embodiments of the present disclosure, the orthographic projection of the plurality of first protrusions on the plane where the main body portion is located and the plurality of second protrusions on the plane where the main body portion is located The orthographic projections do not overlap.

For example, according to the backplane provided by some embodiments of the present disclosure, the orthographic projection of the first protrusion on the plane where the main body portion is located falls within the orthographic projection of the second notch on the plane where the main body portion is located .

For example, according to the backplane provided by some embodiments of the present disclosure, the orthographic projection of the second protrusion on the plane where the main body portion is located falls within the orthographic projection of the first notch on the plane where the main body portion is located .

For example, according to the backplane provided by some embodiments of the present disclosure, the backplane includes a plurality of first notches and a plurality of second notches, the plurality of first protrusions and the plurality of first notches are alternately arranged, the The plurality of second protrusions and the plurality of second notches are alternately arranged.

For example, according to the back plate provided by some embodiments of the present disclosure, the first protrusion is an integral structure with the main body portion, and includes a portion extending in a direction from the second side to the first side The second protrusion is an integral structure with the main body, and includes a portion extending in a direction from the first side to the second side.

For example, according to the backplane provided by some embodiments of the present disclosure, the orthographic projection of the first notch on the plane where the main body portion is located coincides with the orthographic projection of the second notch on the plane where the main body portion is located.

For example, according to the backplane provided by some embodiments of the present disclosure, the orthographic projection of the plurality of first protrusions on the plane where the main body portion is located and the plurality of second protrusions on the plane where the main body portion is located The orthographic projections coincide.

For example, according to the backplane provided by some embodiments of the present disclosure, the first protrusion, the second protrusion, and the main body part are an integral structure, and the first protrusion includes A first portion extending in a direction from the first side to the first side, a curved portion connected to the first portion, connected to the curved portion of the first protrusion and along the direction from the first side to the first side A second portion extending from the direction of the two sides, the second protrusion is a portion extending from the second portion of the first protrusion, and the second protrusion includes a direction along the direction from the first side The portion extending in the direction of the second side.

For example, according to the backplane provided by some embodiments of the present disclosure, at least part of the first protrusion is perpendicular to the first surface, and at least part of the second protrusion is perpendicular to the first surface.

For example, according to the backplane provided by some embodiments of the present disclosure, the first surface is parallel to the second surface.

For example, according to the backplane provided by some embodiments of the present disclosure, the main body portion further includes a second edge, a third edge, and a fourth edge, the second edge is disposed opposite to the first edge, and the third The edge and the fourth edge are arranged opposite to each other, the third edge and the fourth edge are respectively connected to the first edge, and at least one of the second edge, the third edge and the fourth edge One includes a third protrusion and a fourth protrusion. The third protrusion protrudes from the first surface of the main body portion, and the fourth protrusion protrudes from the second surface of the main body portion. surface.

For example, according to the backplane provided by some embodiments of the present disclosure, the third protrusion, the fourth protrusion, and the main body part are an integral structure, and the third protrusion includes A first portion extending in a direction from the side to the first side, a curved portion connected to the first portion of the third protrusion, and the curved portion connected to the third protrusion and along the direction from the The first side points to a second part extending in the direction of the second side, the fourth protrusion is a part extending from the second part of the third protrusion, and the fourth protrusion includes A portion extending from the first side toward the second side.

For example, according to the backplane provided by some embodiments of the present disclosure, the main body portion further includes a second edge, a third edge, and a fourth edge, the second edge is disposed opposite to the first edge, and the third The edge and the fourth edge are arranged opposite to each other, the third edge and the fourth edge are respectively connected to the first edge, and at least one of the second edge, the third edge and the fourth edge One includes: a plurality of third protrusions located on the first side of the back plate; a third notch located between adjacent third protrusions; a plurality of fourth protrusions located on all of the back plate The second side; the fourth gap is located between adjacent fourth protrusions; the third protrusion protrudes from the first surface of the main body portion, and the fourth protrusion protrudes from the The second surface of the main body.

For example, according to the backplane provided by some embodiments of the present disclosure, the orthographic projection of the plurality of third protrusions on the plane where the main body portion is located and the plurality of fourth protrusions on the plane where the main body portion is located The orthographic projections do not overlap.

For example, according to the back plate provided by some embodiments of the present disclosure, the third protrusion is an integral structure with the main body, and includes a Part; the fourth protrusion is an integral structure with the main body part, and includes a part extending in a direction from the first side to the second side.

Some embodiments of the present disclosure also provide a backlight module including any of the above-mentioned backplanes.

For example, according to the backlight module provided by some embodiments of the present disclosure, the backlight module further includes: a first plastic frame located on the first side of the main body part and pasted with the back plate; and a second plastic frame , Located on the second side of the main body part and pasted with the back plate; wherein, the first plastic frame includes a fifth notch, the second plastic frame includes a sixth notch, and the fifth notch At least partially overlap with the first gap, and the sixth gap at least partially overlap with the second gap.

For example, according to the backlight module provided by some embodiments of the present disclosure, the first plastic frame includes a plurality of fifth notches, and the second plastic frame includes a plurality of sixth notches.

For example, according to the backlight module provided by some embodiments of the present disclosure, the first plastic frame includes a first supporting surface and a second supporting surface, and the first supporting surface of the first plastic frame and the first supporting surface are The second supporting surface of the plastic frame is arranged opposite to each other, the second plastic frame includes a first supporting surface and a second supporting surface, the first supporting surface of the second plastic frame and the second supporting surface of the second plastic frame The second supporting surfaces are arranged opposite to each other, the first supporting surface of the first plastic frame and the first supporting surface of the second plastic frame are located at the first edge position, and the first plastic frame The area of the first supporting surface of the frame is larger than the area of the second supporting surface of the first plastic frame, and the area of the first supporting surface of the second plastic frame is larger than that of the second plastic frame The area of the second supporting surface.

For example, according to the backlight module provided by some embodiments of the present disclosure, the first plastic frame includes a first connecting portion and a first supporting portion, and the first supporting portion of the first plastic frame is provided with the first supporting portion. The first supporting surface of a plastic frame, the first supporting portion of the first plastic frame extends in a direction away from the first protrusion, and the second plastic frame includes a first connecting portion and a first Supporting portion, the first supporting surface of the second plastic frame is provided on the first supporting portion of the second plastic frame, and the first supporting portion of the second plastic frame faces away from the first supporting portion Extend in the direction of the two protrusions.

For example, according to the backlight module provided by some embodiments of the present disclosure, the first plastic frame further includes a second connecting portion and a second supporting portion, and the second supporting portion of the first plastic frame is provided with the The orientation of the second supporting surface of the first plastic frame, the second supporting part of the first plastic frame is the same as the orientation of the first supporting part of the first plastic frame, and the second plastic frame The frame includes a second connecting portion and a second supporting portion, the second supporting portion of the second plastic frame is provided with the second supporting surface of the second plastic frame, and the second supporting surface of the second plastic frame The orientation of the second supporting part is the same as the orientation of the first supporting part of the second plastic frame.

For example, according to the backlight module provided by some embodiments of the present disclosure, the backlight module further includes a first light bar and a second light bar, and the first light bar is located on the first side of the main body and is located at At the first edge position; the second light bar is located at the second side of the main body part and at the first edge position; the first light bar is located at the main body part and the In the first space formed by the first plastic frame, the second light bar is located in the second space formed by the main body and the second plastic frame.

For example, according to the backlight module provided by some embodiments of the present disclosure, the first light bar includes a first circuit element, the second light bar includes a second circuit element, and the first circuit element passes through the first circuit element. An overlap portion of a gap and the fifth gap, and the second circuit element passes through the overlap portion of the second gap and the sixth gap.

Some embodiments of the present disclosure also provide a display device including any of the above-mentioned backlight modules.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, the following will briefly introduce the drawings of the embodiments. Obviously, the drawings in the following description only refer to some embodiments of the present disclosure, and do not limit the present disclosure. .

FIG. 1 is a plan view of a backplane provided by at least one embodiment of the present disclosure;

2 is a cross-sectional view of a backplane provided by at least one embodiment of the present disclosure;

3 is a perspective view of a backplane provided by at least one embodiment of the present disclosure;

Fig. 4 is a schematic diagram of a part of the structure of Fig. 3;

FIG. 5 is a schematic diagram of the structure of the second edge, the third edge and the fourth edge of FIG. 3;

Fig. 6 is a side view of a partial structure of the back plate of Fig. 3;

Figure 7 is a perspective view of a back plate provided by another embodiment of the present disclosure;

Figure 8 is a perspective view of the back plate shown in Figure 7;

Fig. 9 is a partial schematic diagram of the backplane shown in Fig. 7;

Figure 10 is a perspective view of a back plate provided by another embodiment of the present disclosure;

Fig. 11 is a partial schematic diagram of the backplane shown in Fig. 10;

Figure 12 is a cross-sectional view of the positions of the first protrusion and the second protrusion in Figure 10;

Figure 13 is a perspective view of a back plate provided by another embodiment of the present disclosure;

Fig. 14 is a schematic top view of the back plate shown in Fig. 13;

15 is a perspective view of the first plastic frame in the backlight module provided by an embodiment of the disclosure;

FIG. 16 is a perspective view of the second plastic frame in the backlight module provided by an embodiment of the present disclosure;

FIG. 17 is a schematic diagram from another perspective of the second plastic frame in the backlight module provided by an embodiment of the disclosure; FIG.

18 is a schematic diagram of assembling the first plastic frame, the second plastic frame, and the back plate in the backlight module according to an embodiment of the present disclosure;

19 is a schematic diagram of a combination of a first plastic frame and a second plastic frame in a backlight module provided by an embodiment of the present disclosure;

20 is a schematic diagram of a plastic frame (the first plastic frame and the second plastic frame have the same structure) in the backlight module provided by another embodiment of the present disclosure;

FIG. 21 is a partial schematic diagram of the plastic frame shown in FIG. 20;

FIG. 22 is an enlarged schematic diagram in the dashed box B1 of FIG. 21;

FIG. 23 is an enlarged schematic diagram inside the dashed frame B2 of FIG. 21;

FIG. 24 is a schematic top view of the plastic frame shown in FIG. 21;

25 is a schematic cross-sectional view of a backlight module provided by an embodiment of the disclosure along a first direction;

FIG. 26 is a schematic cross-sectional view taken along the second direction of a backlight module according to an embodiment of the disclosure; FIG.

FIG. 27 is a schematic diagram of the circuit elements of the light bar in the backlight module passing through the gap according to an embodiment of the disclosure; and

FIG. 28 is a schematic diagram of the circuit elements of the light bar in the backlight module passing through the gap according to an embodiment of the disclosure.

detailed description

In order to make the objectives, technical solutions, and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the protection scope of the present disclosure.

Unless otherwise defined, the technical or scientific terms used in the present disclosure shall have the usual meanings understood by those with ordinary skills in the field to which this disclosure belongs. The "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, "including" or "including" and other similar words mean that the elements or items appearing before the word cover the elements or items listed after the word and their equivalents, but do not exclude other elements or items. Similar words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to indicate the relative position relationship. When the absolute position of the described object changes, the relative position relationship may also change accordingly.

Customers have specifications for double-sided display devices such as reduced thickness, reduced weight, and narrow bezels. However, the usual double-sided display modules do not meet the above-mentioned specifications of customers.

To meet the design requirements of the client, the embodiments of the present disclosure provide a backplane, a backlight module, and a display device to realize an ultra-thin, ultra-narrow, and ultra-light double-sided display device.

FIG. 1 is a plan view of a backplane provided by at least one embodiment of the present disclosure. The backplane 10 includes: a first edge E1, a second edge E2, a third edge E3, and a fourth edge E4. As shown in Fig. 1, the first edge E1 and the second edge E2 are arranged oppositely, and the third edge E3 and the fourth edge E4 are arranged oppositely. The third edge E3 and the fourth edge E4 are respectively connected to the first edge E1, and the third edge E3 and the fourth edge E4 are respectively connected to the second edge E2. For example, the third edge E3 and the fourth edge E4 are located between the first edge E1 and the second edge E2. In FIG. 1, a backplane with a rectangular plan view is taken as an example for description. However, the shape of the backplane is not limited to a rectangle, and can be set as required.

FIG. 2 is a cross-sectional view of a backplane provided by at least one embodiment of the present disclosure. As shown in FIG. 2, the back plate 10 includes a main body 100. The main body 100 includes a first surface SF1 and a second surface SF2 opposite to each other. The first surface SF1 is located on the first side S1 of the main body 100, and the second surface SF2 is located on the main body. The second side S2 of the section 100. Of course, the first edge E1 and the second edge E2 in FIG. 2 can also be replaced with the third edge E3 and the fourth edge E4, respectively.

FIG. 3 is a perspective view of a backplane provided by at least one embodiment of the present disclosure. As shown in FIG. 3, the back plate 10a includes a plurality of first protrusions 101, a first notch 01, a plurality of second protrusions 102, and a second notch 02. The plurality of first protrusions 101 are located at the first edge E1 of the main body part 100 and at the first side S1 of the main body part 100, and the first protrusions 101 protrude from the first surface SF1 of the main body part 100. The first notch 01 is located between adjacent first protrusions 101. The plurality of second protrusions 102 are located at the first edge E1 of the main body part 100 and at the second side S2 of the main body part 100, and the second protrusions 102 protrude from the second surface SF2 of the main body part 100. The second notch 02 is located between the adjacent second protrusions 102.

The back plate provided by the embodiment of the present disclosure is provided with a first protrusion 101 located on the first side S1 of the main body part 100 and a second protrusion located on the second side S2 of the main body part 100 on the first edge E1 of the back plate. 102. It is possible to realize the attachment of the plastic frames located on both sides of the main body, and by providing the first notch 01 between the adjacent first protrusions 101 and the adjacent second protrusions on the first edge E1 of the backplane The second gap 02 between the ribs 102 can realize the lead out of the circuit elements (leads) of the light bar located on both sides of the main body. In addition, the backplane provided by the embodiments of the present disclosure has a smaller mass and volume. The arrangement of the plurality of first protrusions 101 and the plurality of second protrusions 102 can facilitate the adhesion of the backplane and the plastic frame.

The backplane shown in FIG. 3 is described by taking the backplane including a plurality of first notches 01 and a plurality of second notches 02 as an example. In other embodiments, only one first notch 01 and one second notch may be provided. 02. In the case where multiple first notches 01 and multiple second notches 02 are provided, the two rubber frames on both sides of the backplane can be manufactured with the same mold, which saves manufacturing costs. Plastic frames made with the same mold have the same size specifications. When the sizes of the plastic frames on both sides of the backplane are different, different molds are used to make them.

For example, as shown in FIG. 3, the orthographic projections of the plurality of first protrusions 101 on the plane where the main body portion 100 is located and the orthographic projections of the plurality of second protrusions 102 on the plane where the main body portion 100 is located do not overlap. In the embodiment of the present disclosure, the plane where the main body 100 is located may be a plane expanded based on the main body 100 and may be larger than the area of the main body 100. For example, the plane where the main body 100 is located includes the main body 100. For example, in the embodiments of the present disclosure, that the orthographic projections of two elements on a plane do not overlap, which means that the orthographic projections of the two elements on the plane are spaced apart.

For example, as shown in FIG. 3, the orthographic projection of the first protrusion 101 on the plane where the main body 100 is located falls within the orthographic projection of the second notch 02 on the plane where the main body 100 is located. As shown in FIG. 3, the size of the second notch 02 in the first direction D1 is larger than the size of the first protrusion 101 in the first direction D1. Of course, the size of the second notch 02 in the first direction D1 can also be equal to the size of the first protrusion 101 in the first direction D1.

For example, as shown in FIG. 3, the orthographic projection of the second protrusion 102 on the plane where the main body 100 is located falls within the orthographic projection of the first notch 01 on the plane where the main body 100 is located. As shown in FIG. 3, the size of the first notch 01 in the first direction D1 is larger than the size of the second protrusion 102 in the first direction D1. Of course, the size of the first notch 01 in the first direction D1 can also be equal to the size of the second protrusion 102 in the first direction D1.

In the embodiments of the present disclosure, the orthographic projection of the first element on a plane falling into the orthographic projection of the second element on the plane means that the orthographic projection of the first element on the plane is equal to or less than the orthographic projection of the second element on the plane. Orthographic projection on the plane.

For example, as shown in FIG. 3, the backplane includes a plurality of first notches 01 and a plurality of second notches 02, a plurality of first protrusions 101 and a plurality of first notches 01 are alternately arranged, and a plurality of second protrusions 102 and A plurality of second gaps 02 are alternately arranged. In the backplane provided by the embodiment of the present disclosure, a plurality of first protrusions 101 and a plurality of first notches 01 are alternately provided, and a plurality of second protrusions 102 and a plurality of second notches 02 are alternately provided, so that the first protrusions 101 and the second notches 02 are alternately provided. The protrusion 101 corresponds to the second notch 02, and the second protrusion 102 corresponds to the first notch 01, which facilitates the simplification of the back plate structure.

For example, as shown in FIG. 3, the first protrusion 101 and the main body portion 100 are an integral structure, and include a portion extending in a direction from the second side S2 to the first side S1; the second protrusion 102 and the main body portion 100 It is a one-piece structure and includes a portion extending in a direction from the first side S1 to the second side S2. Fig. 3 also shows a second direction D2 and a third direction D3, the first direction D1 is perpendicular to the second direction D2, the third direction D3 is perpendicular to the first direction D1, and is perpendicular to the second direction D2. For example, the first direction D1 is parallel to the first surface SF1. The second direction D2 is parallel to the first surface SF1, and the third direction D3 is perpendicular to the first surface SF1. For example, the first surface SF1 is parallel to the second surface SF2.

For example, referring to FIG. 3, the main body 100 further includes a second edge E2, a third edge E3, and a fourth edge E4. The second edge E2 is arranged opposite to the first edge E1, and the third edge E3 and the fourth edge E4 are arranged opposite to each other. The third edge E3 and the fourth edge E4 are respectively connected to the first edge E1.

For example, the first edge E1 is parallel to the first direction D1, the second edge E2 is parallel to the first direction D1, the third edge E3 is parallel to the second direction D2, and the fourth edge E4 is parallel to the second direction D2, but not limited to this .

For example, at least part of the first protrusion 101 is perpendicular to the first surface SF1, and at least part of the second protrusion 102 is perpendicular to the first surface SF1. The back plate shown in FIG. 3 is described by taking as an example that all of the first protrusions 101 are perpendicular to the first surface SF1, and all of the second protrusions 102 are perpendicular to the first surface SF1. In other embodiments, a part of the first protrusion 101 may be perpendicular to the first surface SF1, and a part of the second protrusion 102 may be perpendicular to the first surface SF1. For example, in this case, the first protrusion 101 The end away from the first surface can also be provided with a portion parallel to the first surface SF1 to form a U-shaped structure, and the end of the second protrusion 102 away from the second surface can also be provided with a portion parallel to the second surface SF2 to form a U-shaped structure. structure. For example, the first surface SF1 is parallel to the second surface SF2, but it is not limited thereto.

In the embodiment of the present disclosure, the direction from the second side S2 to the first side S1 may refer to the direction from the second surface SF2 to the first surface SF1, and may refer to the direction from the position on the second side S2 to the direction on the first side. The direction of the position of S1, the position on the second side S2 and the position on the first side S1 are not specific positions, as long as they are the position on the second side S2 and the position on the first side S1. For example, the direction from the second side S2 to the first side S1 may refer to the third direction D3 with the arrow pointing upward in FIG. 3, but is not limited to this.

In the embodiment of the present disclosure, the direction from the first side S1 to the second side S2 may refer to the direction from the first surface SF1 to the second surface SF2, and may refer to the direction from the position on the first side S1 to the second side The direction of the position of S2, the position on the second side S2 and the position on the first side S1 are not specific positions, as long as they are the position on the second side S2 and the position on the first side S1. For example, the direction from the first side S1 to the second side S2 may refer to the third direction D3 with the arrow pointing downward in FIG. 3, but is not limited to this.

FIG. 4 is a schematic diagram of part of the structure of FIG. 3. The structure shown in FIG. 4 is a partial structural diagram of the first edge E1 and the third edge E3 in FIG. 3.

FIG. 5 is a schematic diagram of the structure of the second edge, the third edge and the fourth edge of FIG. 3. In some embodiments of the present disclosure shown in Figs. 3 and 5, the structures of the second edge E2, the third edge E3, and the fourth edge E4 are the same. As shown in FIG. 3, the third edge E3 and the fourth edge E4 have the same size along the second direction D2, and the length of the second edge E2 is greater than the length of the third edge E3.

Fig. 6 is a side view of a partial structure of the back plate of Fig. 3. In the side view shown in FIG. 6, the first edge E1, the fourth edge E4, and the third edge E3 are structural diagrams.

For example, at least one of the second edge E2, the third edge E3, and the fourth edge E4 includes a third protrusion 103 and a fourth protrusion 104, and the third protrusion 103 protrudes from the first surface SF1 of the main body part 100. The four protrusions 104 protrude from the second surface SF2 of the main body 100. Referring to FIGS. 3 and 5, each of the second edge E2, the third edge E3 and the fourth edge E4 includes a third protrusion 103 and a fourth protrusion 104.

For example, referring to FIGS. 3 to 6, the third protrusion 103, the fourth protrusion 104, and the main body part 100 are an integral structure, and the third protrusion 103 includes a protrusion extending in a direction from the second side S2 to the first side S1. The first portion 1031, the curved portion 1030 connected to the first portion 1031 of the third protrusion 103, and the second portion connected to the curved portion 1030 of the third protrusion 103 and extending along the direction from the first side S1 to the second side S2 The portion 1032 and the fourth protrusion 104 are portions extending from the second portion 1032 of the third protrusion 103, and the fourth protrusion 104 includes a portion extending in a direction from the first side S1 to the second side S2. The second edge E2, the third edge E3, and the fourth edge E4 of the back plate shown in FIGS. 3 to 6 can be formed by the same plate through two bending processes. For example, the angle between the main body part 100 and the first part 1031 is formed by a first bending process, and then the bent part 1030, the second part 1032 and the fourth protrusion 104 are formed by a second bending process. For example, the second portion 1032 and the fourth protrusion 104 are located in the same plane. For example, the same bending process can be bent one or more times to achieve the bending of the target object.

Referring to FIGS. 3 to 6, the third protrusion 103 includes a bent two-layer laminated structure, that is, the first portion 1031 and the second portion 1032 are laminated, and the fourth protrusion 104 includes a single-layer structure.

Referring to FIGS. 3 to 4 and FIG. 6, the first protrusion 101 and the second protrusion 102 may be formed by cutting and bending the same plate. For example, the first protrusion 101 and the second protrusion 102 each include a single-layer structure.

FIG. 5 shows a position P1 on the first side S1 and a position P2 on the second side S2. In FIG. 5, the direction from the position P1 on the first side S1 to the position P2 on the second side S2 is perpendicular to the first surface SF1 as an example for illustration, but it is not limited to this.

The structures of the second edge E2, the third edge E3 and the fourth edge E4 in the backplane shown in FIG. 3 are the same, and they are all the structures shown in FIG. 5. Of course, in other embodiments, the structures of the second edge E2, the third edge E3, and the fourth edge E4 may also be different. For example, in some embodiments, compared with the backplane shown in FIG. 3, the structure of adjusting the second edge E2 is the same as the structure of the first edge E1. For example, in other embodiments, compared with the backplane shown in FIG. 3, the structures for adjusting the second edge E2, the third edge E3, and the fourth edge E4 are all the same as the structure of the first edge E1.

Fig. 7 is a perspective view of a back plate provided by another embodiment of the present disclosure. Fig. 7 has done a transparent treatment on the main body, so as to understand the structure of the second edge E2 and the fourth edge E4. Fig. 8 is a perspective view of the back plate shown in Fig. 7. The main body in Figure 8 has not been processed for transparency. Fig. 9 is a partial schematic diagram of the back plate shown in Fig. 7. For example, the backplane 10b shown in FIGS. 7-9 is compared with the backplane 10a shown in FIG. The same structure as the edge E1. As shown in Figures 7-9, the third protrusion 103 is no longer a folded two-layer laminated structure, but a single-layer structure; the fourth protrusion 104 is not formed by the third protrusion 103 The extended part of the second part is the part extended from the main body and is formed by bending. As shown in FIGS. 7 to 9, the third protrusion 103 and the fourth protrusion 104 each include a single-layer structure, which is formed by bending parts extending from different parts of the main body.

For example, as shown in FIG. 9, the orthographic projections of the plurality of third protrusions 103 on the plane where the main body portion 100 is located and the orthographic projections of the plurality of fourth protrusions 104 on the plane where the main body portion 100 is located do not overlap.

For example, as shown in FIGS. 8 and 9, the third protrusion 103 and the main body part 100 are an integral structure, and include a portion extending in the direction from the second side S2 to the first side S1; the fourth protrusion 104 It is an integral structure with the main body 100 and includes a portion extending in a direction from the first side S1 to the second side S2.

For example, in the embodiment of the present disclosure, as shown in FIG. 3 and FIG. 8, there is an interval in the first direction D1 between adjacent first protrusions 101 and second protrusions 102, but it is not limited to this; As shown in FIG. 8, there is an interval in the first direction D1 between the adjacent third protrusion 103 and the fourth protrusion 104, but it is not limited thereto.

Fig. 10 is a perspective view of a back plate provided by another embodiment of the present disclosure. Fig. 11 is a partial schematic diagram of the back plate shown in Fig. 10. Fig. 12 is a cross-sectional view of the positions of the first protrusion and the second protrusion in Fig. 10. The backplane 10c shown in FIGS. 10 and 11 is compared with the backplane 10a shown in FIG. The orthographic projections coincide. For example, as shown in FIG. 11, the orthographic projections of the plurality of first protrusions 101 on the plane where the main body portion 100 is located coincide with the orthographic projections of the plurality of second protrusions 102 on the plane where the main body portion 100 is located.

As shown in FIGS. 10 to 12, the first protrusion 101, the second protrusion 102, and the main body 100 are an integral structure, and the first protrusion 101 includes a protrusion extending in a direction from the second side S2 to the first side S1. The first part 1011, the curved part 1010 connected with the first part 1011, the second part 1012 connected with the curved part 1010 of the first protrusion 101 and extending along the direction from the first side S1 to the second side S2, the second convex The ridge 102 is a portion extending from the second portion 1012 of the first protrusion 101, and the second protrusion 102 includes a portion extending in a direction from the first side S1 to the second side S2.

FIG. 13 is a perspective view of a back plate provided by another embodiment of the present disclosure. Fig. 14 is a schematic top view of the back plate shown in Fig. 13. Compared with the back plate 10a shown in FIG. 3, the back plate 10d shown in FIG. 13 is provided with a protrusion 105 at the first edge E1, and the structure of the second edge E2, the third edge E3, and the fourth edge E4 No change. As shown in FIGS. 13 and 14, the protrusion 105 protrudes from the main body 100 from the first edge E1, and the protrusion direction of the protrusion 105 is the same as the protrusion direction of the first protrusion 101 and the second protrusion 102. Not the same, the protruding portion 105 may have a portion parallel to the main body portion 100, or be located in the same plane as the main body portion 100, but is not limited thereto. The protruding portion 105 can play a role of supporting the circuit board of the circuit element connected to the light bar, and serves as a support for the circuit board, but is not limited to this. Of course, in some embodiments, the protrusion 105 may not be provided. As shown in FIGS. 13 and 14, the back plate has two protrusions 105. The number of protrusions 105 can be determined according to needs, and is not limited to what is shown in the figure.

The above-mentioned backplanes provided by the embodiments of the present disclosure can use one backplane to realize the fixing of the plastic frame on the first side of the backplane and the plastic frame on the second side of the backplane, that is, the two plastic frames share the same A back plate to reduce the size and weight of the display device, and the first side of the back plate has a first notch, and the second side of the back plate has a second notch, so as to facilitate the first side of the back plate. Lead out of the first circuit element of the light bar and lead out of the second circuit element of the second light bar on the second side of the back plate. In the backplane shown in FIGS. 3, 7 and 13, the first edge adopts a single-layer structure to form the first protrusion and the second protrusion, so that the thickness of the backplane can be reduced and the weight of the backplane can be reduced. In the backplane shown in FIG. 7, the structures of the first edge E1 and the second edge E2 are the same, which facilitates the manufacture of the backplane and the assembly of the display device.

For example, in a backlight module provided by an embodiment of the present disclosure, the back plate is made of metal materials, for example, including aluminum, aluminum alloy, stainless steel, etc., but it is not limited to this, and any other suitable ones can also be used. Material.

At least one embodiment of the present disclosure provides a backlight module including any of the above-mentioned backplanes.

FIG. 15 is a perspective view of the first plastic frame in the backlight module provided by an embodiment of the disclosure. FIG. 16 is a perspective view of the second plastic frame in the backlight module provided by an embodiment of the disclosure. FIG. 17 is a schematic diagram from another perspective of the second plastic frame in the backlight module provided by an embodiment of the disclosure. FIG. 18 is a schematic diagram of assembling the first plastic frame, the second plastic frame and the back plate in the backlight module provided by an embodiment of the present disclosure. FIG. 19 is a schematic diagram of a combination of a first plastic frame and a second plastic frame in a backlight module provided by an embodiment of the present disclosure. FIG. 20 is a schematic diagram of a plastic frame (the structure of the first plastic frame and the second plastic frame are the same) in the backlight module provided by another embodiment of the present disclosure. FIG. 21 is a partial schematic diagram of the plastic frame shown in FIG. 20. FIG. 22 is an enlarged schematic diagram of the dashed frame B1 in FIG. 21. FIG. 23 is an enlarged schematic diagram inside the dashed frame B2 of FIG. 21. FIG. 24 is a schematic top view of the plastic frame shown in FIG. 21. FIG. 25 is a schematic cross-sectional view taken along a first direction of a backlight module according to an embodiment of the disclosure. FIG. 26 is a schematic cross-sectional view taken along a second direction of a backlight module provided by an embodiment of the disclosure. FIG. 27 is a schematic diagram of the circuit elements of the light bar in the backlight module passing through the gap according to an embodiment of the disclosure. FIG. 28 is a schematic diagram of the circuit elements of the light bar in the backlight module passing through the gap according to an embodiment of the disclosure. The following description will be made with reference to FIGS. 15 to 28.

25 and 26, the backlight module further includes a first plastic frame 201 and a second plastic frame 202. The first plastic frame 201 is pasted with the back plate 10; the second plastic frame 202 is pasted with the back plate 10. The backplane 10 may adopt any one of the aforementioned backplane 10a, backplane 10b, backplane 10c, and backplane 10d.

Referring to FIG. 26, the backlight module further includes a first light bar 601 and a second light bar 602. The first light bar 601 is located on the first side S1 of the main body 100 and at the position of the first edge E1; the second light bar 602 Located on the second side S2 of the main body 100 and at the position of the first edge E1; the first light bar 601 is located in the first space P1 formed by the main body 100 and the first plastic frame 201, and the second light bar 602 is located in the main body In the second space P2 formed by 100 and the second plastic frame 202. For example, the orthographic projection of the first plastic frame 201 on the main body of the back plate 10 falls within the orthographic projection of the first light bar 601 on the main body of the back plate 10, and the second plastic frame 202 is on the main body of the back plate 10. The orthographic projection on falls within the orthographic projection of the second light bar 602 on the main body of the back plate 10.

Referring to Figure 15, Figure 18 to Figure 26, the first plastic frame 201 includes a fifth notch 05, refer to Figure 18, the orthographic projection of the fifth notch 05 on the plane where the main body 100 is located and the first notch 01 on the plane where the main body 100 is located The orthographic projection on the upper side at least partially overlaps, and the fifth notch 05 and the first notch 01 at least partially overlap, so as to be used as a wire outlet, which facilitates the extraction of the first circuit element 701 of the first light bar 601.

Referring to Figure 16, Figure 17 to Figure 26, the second plastic frame 202 includes a sixth notch 06, the orthographic projection of the sixth notch 06 on the plane where the main body 100 is located and the orthographic projection of the second notch 02 on the plane where the main body 100 is located At least partially overlap, the sixth notch 06 and the second notch 02 at least partially overlap, so as to be used as a wire outlet, which facilitates the extraction of the second circuit element 702 of the second light bar 602.

As shown in Figure 15, the first plastic frame 201 has a first edge E11, a second edge E12, a third edge E13, and a fourth edge E14. As shown in Figures 16 and 17, the second plastic frame 202 has a first edge. E21, second edge E22, third edge E23, and fourth edge E24. As shown in Figure 18, the first edge E11 and the first edge E21 all correspond to the first edge E1, the second edge E12 and the second edge E22 all correspond to the second edge E2, and the third edge E13 and the third edge E23 both correspond to Corresponding to the third edge E3, the fourth edge E14 and the fourth edge E24 both correspond to the fourth edge E4.

For example, referring to FIGS. 18 to 19, the first plastic frame 201 includes a plurality of fifth notches 05, and the second plastic frame 202 includes a plurality of sixth notches 06. Of course, the numbers of the fifth notch 05 and the sixth notch 06 are not limited to those shown in the figure.

Referring to FIGS. 18, 25 and 26, the first plastic frame 201 is located on the first side S1 of the main body 100, and the second plastic frame 202 is located on the second side S2 of the main body 100.

As shown in FIG. 19, the first plastic frame 201 and the second plastic frame 202 can be made by using the same mold to save costs. Of course, the embodiments of the present disclosure are not limited to this. In other embodiments, the sizes of the first plastic frame 201 and the second plastic frame 202 may be different, and different molds can be used to make them.

For example, as shown in Figure 15, Figure 17 and Figure 26, the first plastic frame 201 includes a first support surface S11 and a second support surface S12, the first support surface S11 of the first plastic frame 201 and the first plastic frame 201 The second supporting surface S12 is arranged opposite to each other. The second plastic frame 202 includes a first supporting surface S21 and a second supporting surface S22. The first supporting surface S21 of the second plastic frame 202 is opposite to the second supporting surface S22 of the second plastic frame 202. It is set, the first supporting surface S11 of the first plastic frame 201 and the first supporting surface S21 of the second plastic frame 202 are located at the position of the first edge E1, and the area of the first supporting surface S11 of the first plastic frame 201 is larger than that of the first plastic frame. The area of the second supporting surface S12 of the frame 201 is to facilitate the formation of the first space P1, and the area of the first supporting surface S21 of the second plastic frame 202 is larger than the area of the second supporting surface S22 of the second plastic frame 202 to facilitate the formation The second space P2.

As shown in Figures 25 and 26, at the position of the first edge E1, the first plastic frame 201 and the first protrusion 101 are bonded by the pasting element 401, and the second plastic frame 202 and the second protrusion 102 are bonded by the pasting element 402. Bonding. As shown in Figures 25 and 26, at the positions of the second edge E2, the third edge E3, and the fourth edge E4, the first plastic frame 201 and the third protrusion 103 are bonded by the adhesive element 403, and the second plastic frame 202 It is bonded with the fourth protrusion 104 through the adhesive element 404.

As shown in FIGS. 25 and 26, the first plastic frame 201 is configured to support the first display panel 31, and the second plastic frame 202 is configured to support the second display panel 32. At the second edge E2, the third edge E3, and the fourth edge E4, the first plastic frame 201 can be pasted with the first display panel 31 through the pasting element 411, and the second plastic frame 202 can be pasted with the second display panel 32 through the pasting element 412 paste. As shown in FIGS. 25 and 26, the sticking element 411 is located between the main body 10 and the first plastic frame 201, and the sticking element 412 is located between the fourth protrusion 104 and the second plastic frame 202. The first display panel 31 is located on the first side S1 of the main body of the backplane, and the second display panel 32 is located on the second side S2 of the main body of the backplane.

For example, in the embodiments of the present disclosure, the sticking element may be a tape, foam glue, etc., which can stick different elements.

For example, as shown in Figures 15 and 26, the first plastic frame 201 includes a first connecting portion CP11 and a first supporting portion SP11, and the first supporting portion SP11 of the first plastic frame 201 is provided with the first plastic frame 201 Support surface S11. For example, as shown in Figures 17 and 26, the second plastic frame 202 includes a first connecting portion CP21 and a first supporting portion SP21, and the first supporting portion SP21 of the second plastic frame 202 is provided with a first portion of the second plastic frame 202. Support surface S21.

As shown in FIG. 26, the first supporting portion SP11 of the first plastic frame 201 extends in a direction away from the first protrusion 101, and the first supporting portion SP21 of the second plastic frame 202 extends in a direction away from the second protrusion 102.

For example, as shown in FIGS. 15 and 26, the first plastic frame 201 further includes a second connecting portion CP12 and a second supporting portion SP12, and the second supporting portion SP12 of the first plastic frame 201 is provided with the first plastic frame 201 For the two supporting surfaces S12, the orientation of the second supporting portion SP12 of the first plastic frame 201 is the same as the orientation of the first supporting portion SP11 of the first plastic frame 201. For example, as shown in Figures 17 and 26, the second plastic frame 202 includes a second connecting portion CP22 and a second supporting portion SP22, and the second supporting portion SP22 of the second plastic frame 202 is provided with the second plastic frame 202 For the supporting surface S22, the orientation of the second supporting portion SP22 of the second plastic frame 202 is the same as the orientation of the first supporting portion SP21 of the second plastic frame 202. In the embodiment of the present disclosure, the orientation of the supporting portion may refer to the direction in which the supporting portion is arranged relative to the connecting portion connected to the supporting portion.

In the plastic frames shown in Figures 15 to 19, each plastic frame includes more than two gaps, but the present disclosure does not limit the number of gaps provided in the plastic frame, as long as each plastic frame is provided with at least one gap . In the case that the plastic frame is provided with multiple notches, the circuit components of the light bar can have multiple choices, that is, they can choose to lead from one of the multiple notches. The aforementioned plastic frame includes any one of a first plastic frame and a second plastic frame.

20-24, the plastic frame 200 can be the first plastic frame 201 or the second plastic frame 202, that is, the first plastic frame 201 and the second plastic frame 202 use the same plastic frame, so that the same plastic frame can be used. The mold is made to save the production cost and reduce the assembly error of the backlight module. In this case, the backplane can be made with one mold, and the two plastic frames can be made with the same mold. Two sets of molds can be used to complete the production of the backplane and the two plastic frames separately arranged on both sides of the backplane, saving production costs. For example, the plastic frame can be formed by an injection molding process. For example, the material of the plastic frame includes organic materials, such as polycarbonate, and any other suitable materials can also be used, which is not limited in the present disclosure.

Referring to FIGS. 20 to 24, the plastic frame 200 includes two fifth notches 05, and the two fifth notches 05 include a fifth notch 051 and a fifth notch 052. For example, the fifth notch 051 and the fifth notch 052 are separately provided at both ends of the first edge E11, but it is not limited to this, and can also be provided at other positions of the first edge as required.

For example, when the plastic frame shown in FIGS. 20 to 24 is the second plastic frame 202, the fifth notch 05 in the plastic frame in FIGS. 21 to 23 is replaced with the sixth notch 06.

Referring to FIGS. 20 to 24, the first supporting surface S11 of the plastic frame 200 is provided with a notch 210, and the notch 210 can be used to match the protruding part of the optical film to position the optical film. Of course, in other embodiments, the first supporting surface S11 may not be provided with the notch 210, but other methods are used to position the optical film.

Referring to FIGS. 20 to 24, the size of the first supporting surface S11 in the first direction D1 is the same as the size of the first edge E11 in the first direction D1 to increase the attachment to the display panel and better support The role of. The plastic frame shown in FIG. 15 to FIG. 19 can also adopt a similar structure to increase the attachment effect to the display panel, so as to better support.

For example, in the embodiment of the present disclosure, the plastic frame 200 (including the first plastic frame 201 and the second plastic frame 202) is a frame-shaped structure having a hollow structure.

For example, as shown in FIGS. 27 and 28, the first light bar 601 includes a first circuit element 701, and the second light bar 602 includes a second circuit element 702. As shown in FIGS. 27 and 28, the first circuit element 701 passes through Passing the overlapping portion 15 of the first notch 01 and the fifth notch 05, the second circuit element 702 passes through the overlapping portion 26 of the second notch 02 and the sixth notch 06. The first circuit element 701 and the second circuit element 702 may both be flexible circuit boards (FPC). In FIG. 27, for example, the overlapping portion 15 of the first notch 01 and the fifth notch 05 is the fifth notch 05, and the overlapping portion 26 of the second notch 02 and the sixth notch 06 is the sixth notch 06. That is, in the embodiment of the present disclosure, the size of the first notch 01 is larger than the size of the fifth notch 05, and the size of the second notch 02 is larger than the size of the sixth notch 06. As shown in FIG. 27, the first circuit element 701 and the second circuit element 702 may both be connected to the same other flexible circuit board 703, but it is not limited thereto. The first circuit element 701 and the second circuit element 702 can control the turning on and off of the first light bar 601 and the second light bar 602, respectively.

25 and FIG. 26, the first backlight module 51 includes a first light guide plate 511 and a first film 512, the second backlight module 52 includes a second light guide plate 521 and a second film 522, the first lamp The bar 601 is located at one side of the first light guide plate 511, and the second light bar 602 is located at one side of the second light guide plate 521. The first diaphragm 511 and the second diaphragm 522 may each include at least one optical diaphragm. The optical film sheet includes, for example, at least one of a prism sheet, a diffusion sheet, a brightness enhancement film, and the like.

As shown in FIGS. 25 and 26, the second display panel 32 includes a liquid crystal cell 320, a polarizer 323 and a polarizer 324. As shown in FIG. 25, the liquid crystal cell 320 includes an array substrate 321 and a counter substrate 322. A liquid crystal layer may be provided between the array substrate 321 and the opposite substrate 322.

As shown in FIG. 28, the first circuit element 701 and the second circuit element 702 are both connected to the flexible circuit board 703, and the protrusion 105 serves as a support to support the flexible circuit board 703.

At least one embodiment of the present disclosure provides a display device including any of the above-mentioned backlight modules. The display device adopting the backlight module provided by the present disclosure can be frameless, that is, a frameless display device can be formed.

For example, the display device includes a double-sided display device, which can be applied to places such as bank counters to facilitate bank staff and customers to view the two display surfaces of the double-sided display device from different sides. Of course, the display device provided by the present disclosure can also be applied to other places where double-sided display is required.

The following points need to be explained:

(1) Unless otherwise defined, in the embodiments and drawings of the present disclosure, the same reference signs represent the same meaning.

(2) In the drawings of the embodiments of the present disclosure, only the structures related to the embodiments of the present disclosure are involved, and other structures can refer to the usual design.

(3) For clarity, in the drawings used to describe the embodiments of the present disclosure, the thickness of a layer or region is exaggerated. It can be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "under" another element, the element can be "directly" on or "under" the other element. Or there may be intermediate elements.

(4) In the case of no conflict, the features in the same embodiment and different embodiments of the present disclosure can be combined with each other.

The above are only specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present disclosure. It should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims (25)

1. A backplane including:

   The main body portion includes a first surface and a second surface opposite to each other, the first surface is located on the first side of the main body portion, and the second surface is located on the second side of the main body portion;

   A plurality of first protrusions located on the first edge of the main body part and on the first side of the main body part, the first protrusions protruding from the first surface of the main body part;

   The first notch is located between the adjacent first protrusions;

   A plurality of second protrusions are located on the first edge of the main body part and on the second side of the main body part, and the second protrusions protrude from the second side of the main body part. Surface; and

   The second gap is located between the adjacent second protrusions.
2. The backplane according to claim 1, wherein the orthographic projection of the plurality of first protrusions on the plane where the main body portion is and the orthographic projection of the plurality of second protrusions on the plane where the main body portion is located The projections do not overlap.
3. The backplane according to claim 1 or 2, wherein the orthographic projection of the first protrusion on the plane where the main body portion is located falls within the orthographic projection of the second notch on the plane where the main body portion is located .
4. The backplane according to any one of claims 1-3, wherein the orthographic projection of the second protrusion on the plane where the main body part is located falls into the first notch on the plane where the main body part is located. In orthographic projection.
5. The backplane according to any one of claims 1 to 4, comprising a plurality of first notches and a plurality of second notches, the plurality of first protrusions and the plurality of first notches are alternately arranged, so The plurality of second protrusions and the plurality of second notches are alternately arranged.
6. The backplane according to any one of claims 1 to 5, wherein the first protrusion and the main body part are an integral structure, and include a direction along the direction from the second side to the first side. The extended part; the second protrusion and the main body part are an integral structure, and include a part extending along the direction from the first side to the second side.
7. The backplane according to claim 1, wherein the orthographic projection of the first notch on the plane where the main body portion is located coincides with the orthographic projection of the second notch on the plane where the main body portion is located.
8. The backplane according to claim 1 or 7, wherein the orthographic projection of the plurality of first protrusions on the plane of the main body part and the plurality of second protrusions on the plane of the main body part The orthographic projections coincide.
9. The backplane according to claim 7 or 8, wherein the first protrusion, the second protrusion and the main body part are an integral structure, and the first protrusion includes A first portion extending in a direction from the first side to the first side, a curved portion connected to the first portion, connected to the curved portion of the first protrusion and along the direction from the first side to the first side A second portion extending from the direction of the two sides, the second protrusion is a portion extending from the second portion of the first protrusion, and the second protrusion includes a direction along the direction from the first side The portion extending in the direction of the second side.
10. The backplane according to any one of claims 1-9, wherein at least part of the first protrusion is perpendicular to the first surface, and at least part of the second protrusion is perpendicular to the first surface .
11. The backplane according to any one of claims 1-10, wherein the first surface is parallel to the second surface.
12. The backplane according to any one of claims 1-11, wherein the main body portion further comprises a second edge, a third edge, and a fourth edge, the second edge is disposed opposite to the first edge, so The third edge and the fourth edge are arranged opposite to each other, the third edge and the fourth edge are respectively connected to the first edge, and the second edge, the third edge and the fourth edge At least one of the edges includes a third protrusion and a fourth protrusion. The third protrusion protrudes from the first surface of the main body portion, and the fourth protrusion protrudes from the main body portion.述二面。 Said the second surface.
13. The backplane according to claim 12, wherein the third protrusion, the fourth protrusion, and the main body part are an integral structure, and the third protrusion includes a The first portion extending in the direction of the first side, the curved portion connected to the first portion of the third protrusion, and the curved portion connected to the third protrusion along the direction from the first A second portion extending from the side toward the second side, the fourth protrusion is a portion extending from the second portion of the third protrusion, and the fourth protrusion includes The first side points to a portion extending in the direction of the second side.
14. The backplane according to any one of claims 1-13, wherein the main body portion further comprises a second edge, a third edge, and a fourth edge, the second edge is disposed opposite to the first edge, so The third edge and the fourth edge are arranged opposite to each other, the third edge and the fourth edge are respectively connected to the first edge, and the second edge, the third edge and the fourth edge At least one of the edges includes:

    A plurality of third protrusions located on the first side of the back plate;

    The third gap is located between the adjacent third protrusions;

    A plurality of fourth protrusions located on the second side of the back plate;

    The fourth notch is located between the adjacent fourth protrusions,

    Wherein, the third protrusion protrudes from the first surface of the main body portion, and the fourth protrusion protrudes from the second surface of the main body portion.
15. The backplane according to claim 14, wherein the orthographic projection of the plurality of third protrusions on the plane where the main body portion is and the orthographic projection of the plurality of fourth protrusions on the plane where the main body portion is located The projections do not overlap.
16. 15. The backplane according to claim 15, wherein the third protrusion is an integral structure with the main body portion, and includes a portion extending in a direction from the second side to the first side; The fourth protrusion is an integral structure with the main body portion, and includes a portion extending in a direction from the first side to the second side.
17. A backlight module comprising the backplane according to any one of claims 1-16.
18. 18. The backlight module of claim 17, further comprising:

    The first plastic frame is located on the first side of the main body and is glued to the back plate;

    The second plastic frame is located on the second side of the main body and is glued to the back plate;

    Wherein, the first plastic frame includes a fifth gap, the second plastic frame includes a sixth gap, the fifth gap and the first gap at least partially overlap, the sixth gap and the second gap The gaps overlap at least partially.
19. 18. The backlight module of claim 18, wherein the first plastic frame includes a plurality of fifth notches, and the second plastic frame includes a plurality of sixth notches.
20. 18. The backlight module of claim 19, wherein the first plastic frame comprises a first supporting surface and a second supporting surface, and the first supporting surface of the first plastic frame and the first plastic frame The second supporting surfaces are arranged opposite to each other, the second plastic frame includes a first supporting surface and a second supporting surface, the first supporting surface of the second plastic frame and the second supporting surface of the second plastic frame The second supporting surfaces are arranged opposite to each other, the first supporting surface of the first plastic frame and the first supporting surface of the second plastic frame are located at the first edge position, and the first supporting surface of the first plastic frame The area of the first supporting surface is larger than the area of the second supporting surface of the first plastic frame, and the area of the first supporting surface of the second plastic frame is larger than that of the second plastic frame. The area of the second supporting surface.
21. 22. The backlight module of claim 20, wherein the first plastic frame comprises a first connecting portion and a first supporting portion, and the first supporting portion of the first plastic frame is provided with the first glue The first supporting surface of the frame, the first supporting portion of the first plastic frame extends in a direction away from the first protrusion, and the second plastic frame includes a first connecting portion and a first supporting portion The first supporting portion of the second plastic frame is provided with the first supporting surface of the second plastic frame, and the first supporting portion of the second plastic frame faces away from the second convex From the direction of extension.
22. 22. The backlight module of claim 21, wherein the first plastic frame further comprises a second connecting portion and a second supporting portion, and the first supporting portion is provided on the second supporting portion of the first plastic frame. For the second supporting surface of the plastic frame, the orientation of the second supporting portion of the first plastic frame is the same as the orientation of the first supporting portion of the first plastic frame, and the second plastic frame includes The second connecting portion and the second supporting portion, the second supporting portion of the second plastic frame is provided with the second supporting surface of the second plastic frame, and the second supporting surface of the second plastic frame The orientation of the supporting part is the same as the orientation of the first supporting part of the second plastic frame.
23. The backlight module according to any one of claims 17-22, further comprising a first light bar and a second light bar, wherein the first light bar is located on the first side of the main body and is located At the first edge position; the second light bar is located at the second side of the main body part and at the first edge position; the first light bar is located at the main body part and the In the first space formed by the first plastic frame, the second light bar is located in the second space formed by the main body and the second plastic frame.
24. 23. The backlight module of claim 23, wherein the first light bar includes a first circuit element, the second light bar includes a second circuit element, and the first circuit element passes through the first gap And the overlap portion of the fifth gap, the second circuit element passes through the overlap portion of the second gap and the sixth gap.
25. A display device comprising the backlight module according to any one of claims 17-24.

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