Assembly of display module, display module and tiled display device

Abstract

Disclosed are an assembly of a display module, the display module and a spliced display device, the assembly being used for assembly with a positioning column and comprising a support structure having oppositely arranged bearing surfaces and mounting surfaces, the bearing surfaces being used for bearing display substrates; a fixing member arranged on the mounting surface of the support structure, a containing cavity being formed in the fixing member, the containing cavity having a first opening, the first opening being located on a surface of the fixing member away from the support structure; and a clamping assembly arranged in the containing cavity, the clamping assembly being used for clamping the positioning column extending into the containing cavity from the first opening.

Description

Technical Field

[0001] This disclosure relates to the field of display technology, specifically to an assembly of a display module, a display module, and a splicing display device. Background Technology

[0002] Miniature inorganic light-emitting diodes include MiniLEDs and MicroLEDs. MiniLEDs refer to light-emitting diode (LED) chips with a die size of approximately 100–300 micrometers. MicroLEDs, on the other hand, refer to light-emitting diode chips with a die size of less than 100 micrometers. Display devices using MiniLEDs / MicroLEDs offer advantages such as low power consumption, high brightness, high resolution, high color saturation, fast response time, long lifespan, and high efficiency. Furthermore, multiple MiniLED / MicroLED display devices can be seamlessly spliced ​​together to create ultra-large-size display products, showing broad application prospects in large-size display fields such as command and control centers, commercial centers, high-end conferences, and cinemas. Summary of the Invention

[0003] This disclosure provides an assembly for a display module, a display module, and a splicing display device.

[0004] This disclosure provides an assembly for a display module, used for assembly with positioning posts, the assembly comprising:

[0005] The support structure has a bearing surface and a mounting surface that are arranged opposite to each other, wherein the bearing surface is used to support the display substrate;

[0006] A fastener is disposed on the mounting surface of the support structure, and a receiving cavity is formed within the fastener. The receiving cavity has a first opening, which is located on the surface of the fastener away from the support structure.

[0007] A clamping assembly is disposed in the receiving cavity, the clamping assembly being used to clamp a positioning post that extends into the receiving cavity from the first opening.

[0008] In some embodiments, the receiving cavity includes:

[0009] A first receiving portion is used to receive a part of the positioning post;

[0010] Multiple slide sections are distributed circumferentially along the first receiving section and are connected to the first receiving section;

[0011] The clamping assembly includes:

[0012] Multiple elastic elements are provided in each of the slide sections. The elastic elements are used to extend and retract along the thickness direction of the support structure and have a first state and a second state. The length of the elastic element in the first state is greater than the length of the elastic element in the second state.

[0013] Multiple limiting members are provided, each corresponding to one of the elastic members. The limiting members are disposed on the side of the corresponding elastic member away from the support structure. The limiting members are used to cooperate with the limiting structure on the positioning post when the elastic member is in the first state, so as to limit the positioning post in the thickness direction of the support structure; and to separate from the limiting structure when the elastic member is in the second state.

[0014] In some embodiments, the positioning post is a screw, and the limiting structure is a first thread on the positioning post; the limiting member has a second thread on its surface facing the first receiving portion.

[0015] The slide section includes a first sidewall opposite to the first receiving portion. Along the direction away from the support structure, the first sidewall gradually approaches the first receiving portion, so that when the elastic member is in the first state, the limiting member abuts against the end of the first sidewall away from the support structure, and the first thread engages with the second thread.

[0016] In some embodiments, the limiting structure is a groove on the positioning post.

[0017] The receiving cavity further includes: a second receiving portion, which is located on the side of the first receiving portion away from the supporting structure, and has a second opening, a third opening and a side wall connecting the two, wherein the second opening communicates with the first receiving portion and the slide portion, and the third opening communicates with the first opening;

[0018] In this configuration, the cross-section of the second receiving portion gradually decreases in the direction away from the supporting structure, so that when the elastic member is in the first state, the limiting member abuts against the side wall of the second receiving portion and at least partially enters the groove.

[0019] In some embodiments, the limiting member is spherical.

[0020] In some embodiments, the second receiving portion is provided with a plurality of partitions, which divide the second receiving portion into a central sub-receiving portion and a plurality of edge sub-receiving portions. The central sub-receiving portion is disposed opposite to and communicates with the first receiving portion, and the edge sub-receiving portions are disposed opposite to and communicate with the slide portion in a one-to-one correspondence.

[0021] In some embodiments, the limiting member is a magnet, or the limiting member can be attracted by a magnet.

[0022] In some embodiments, the fastener includes:

[0023] A cylindrical structural section is connected to the supporting structure;

[0024] The cap portion is located on the side of the cylindrical structure portion away from the support structure. The cap portion is connected to the cylindrical structure portion and together with the cylindrical structure portion and the support structure, forms the receiving cavity. The first opening of the receiving cavity is located on the cap portion.

[0025] In some embodiments, the cylindrical structure portion and the support structure are formed as an integral structure, and the cap portion is detachably connected to the cylindrical structure portion.

[0026] In some embodiments, the support structure is rectangular, and each corner of the rectangular structure is provided with the fixing member and the clamping assembly.

[0027] This disclosure also provides a display module, including: a display substrate and the above-described assembly, wherein the display substrate is located on the side of the support structure of the assembly opposite to the fixing member.

[0028] This disclosure also provides a splicing display device, including: a cabinet and a plurality of the above-described display modules, wherein the positioning post is disposed on the side of the cabinet facing the display module, a portion of the positioning post extends into the receiving cavity from the first opening, and the clamping assembly clamps the positioning post.

[0029] In some embodiments, the positioning post includes:

[0030] The main body is connected to the box body;

[0031] An installation head is disposed on the side of the main body away from the housing and is fixedly connected to the main body; wherein, along the direction away from the main body, the cross-sectional area of ​​the installation head gradually decreases.

[0032] In some embodiments, the positioning post is threadedly connected to the housing, and the splicing display device further includes:

[0033] A driver is mounted on the housing and connected to the positioning post, used to drive the positioning post to rotate around its own axis according to a drive signal.

[0034] In some embodiments, an adjustment channel is provided inside the positioning column, the adjustment channel extends through the positioning column along the height direction, and an adjustment rod is provided inside the adjustment channel, the adjustment rod being threadedly connected to the positioning column.

[0035] In some embodiments, the splicing display device further includes:

[0036] A driver, mounted on the housing, is connected to the adjusting rod and is used to drive the adjusting rod to rotate around its own axis according to a driving signal.

[0037] In some embodiments, the positioning post is provided with a limiting structure, and the limiting structure is a groove, the orthographic projection of the groove on the housing is annular. Attached Figure Description

[0038] The accompanying drawings are provided to further illustrate the present disclosure and form part of the specification. They are used together with the following detailed description to explain the present disclosure, but do not constitute a limitation thereof. In the drawings:

[0039] Figure 1 This is a schematic diagram of an assembly of a display module provided in some embodiments of this disclosure.

[0040] Figure 2 This is a partial exploded view of an assembly provided in some embodiments of this disclosure.

[0041] Figure 3 This is a schematic diagram illustrating the interaction between the clamping assembly and the positioning post provided in some embodiments of this disclosure.

[0042] Figure 4 This is a perspective view of a cylindrical structure provided in some embodiments of this disclosure.

[0043] Figure 5 This is a bottom view of a cylindrical structure provided in some embodiments of this disclosure.

[0044] Figure 6 For along Figure 5 A cross-sectional view of line A-A' in the middle.

[0045] Figure 7 This is a schematic diagram of the fasteners and clamping assemblies provided in some embodiments of this disclosure.

[0046] Figure 8 This is a schematic diagram of the positioning posts on the housing provided in some embodiments of this disclosure.

[0047] Figures 9A to 9C A 3D view of the installation process of the supporting structure and positioning columns.

[0048] Figure 9D This is a schematic diagram of the box body and its positioning posts.

[0049] Figures 10A to 10C This is a sectional view showing the installation process of the supporting structure and positioning columns.

[0050] Figure 11 This is a schematic diagram of the positioning post provided in some other embodiments of this disclosure.

[0051] Figure 12A This is a perspective view of the fastener, clamping assembly, and positioning post provided in some other embodiments of this disclosure.

[0052] Figure 12B This is a cross-sectional view of the fasteners and clamping assemblies provided in some other embodiments of this disclosure.

[0053] Figure 13 for Figure 12A and Figure 12B A top view of the cap section.

[0054] Figures 14A to 14C This is a schematic diagram illustrating the installation process of the display module and the housing provided in some other embodiments of this disclosure.

[0055] Figure 15 This is a schematic diagram of the positioning post and adjusting rod provided in some other embodiments of this disclosure.

[0056] Figure 16 This is a schematic diagram of a display module provided in some embodiments of this disclosure.

[0057] Figure 17 This is a schematic diagram of a splicing display device provided in some embodiments of this disclosure. Detailed Implementation

[0058] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure.

[0059] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0060] The terminology used herein to describe embodiments of this disclosure is not intended to limit and / or restrict the scope of this disclosure. For example, unless otherwise defined, the technical or scientific terms used herein should be understood in their ordinary sense as would be understood by one of ordinary skill in the art to which this disclosure pertains. It should be understood that the terms “first,” “second,” and similar terms used herein do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Unless the context clearly indicates otherwise, the singular forms “a,” “one,” or “the,” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as “comprising” or “including” mean that the elements or objects preceding “comprising” or “including” encompass the elements or objects listed following “comprising” or “including” and their equivalents, and do not exclude other elements or objects. Terms such as “connected” or “linked” are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0061] The enclosure is used to support at least one display module. The display module includes an assembly and a display substrate. The assembly is mounted on the enclosure, and the display substrate is fixed to the side of the assembly away from the enclosure. The display substrate includes a substrate and a light-emitting device disposed on the substrate. The light-emitting device may include a miniature inorganic light-emitting diode. Furthermore, at least two enclosures are arranged adjacent to each other, and each enclosure supports at least one display module, thereby forming a splicing display device.

[0062] In related technologies, assemblies are mounted on the housing via magnetic adsorption. Specifically, the assembly has a first magnetic component, and the housing has a second magnetic component, with the first and second magnetic components connected in a one-to-one magnetic adsorption manner. Both the first and second magnetic components can be magnetic screws. However, with this magnetic adsorption method, a momentary adsorption force is generated between the display module and the housing during installation, making the display module susceptible to impacts, especially when the substrate material is glass or quartz, where the edges of the substrate are more prone to impacts, thus reducing the yield of the display module.

[0063] This disclosure provides an assembly for a display module used in a splicing display device. A housing supporting the display module is provided with positioning posts, which can be threadedly connected to the housing. The assembly for the display module is used to connect to the positioning posts. Figure 1 This is a schematic diagram of an assembly of a display module provided in some embodiments of this disclosure. Figure 2This is a partial exploded view of an assembly provided in some embodiments of this disclosure. Figure 3 This is a schematic diagram illustrating the cooperation between the clamping assembly and the positioning post provided in some embodiments of this disclosure, such as... Figures 1 to 3 As shown, the assembly of the display module includes: a support structure 11 and a fastener 12, such as... Figure 2 As shown, the assembly also includes a clamping component 13.

[0064] The support structure 11 has a bearing surface and a mounting surface arranged opposite to each other. The bearing surface is used to support the display substrate, and the mounting surface is arranged opposite to the housing. A fixing member 12 is disposed on the mounting surface of the support structure 11, and a receiving cavity Sp is formed within the fixing member 12. The receiving cavity Sp has a first opening V1, which is located on the surface of the fixing member 12 away from the support structure 11, i.e., the first opening V1 faces the housing. A clamping assembly 13 is disposed in the receiving cavity and is used to clamp the positioning post 20 that extends into the receiving cavity Sp from the first opening V1.

[0065] In this embodiment, the clamping component 13 can clamp the positioning post 20, thereby connecting the display module assembly to the positioning post 20 on the housing 30, and thus connecting the display module to the housing 30. Compared with magnetic adsorption connection, this clamping method does not create instantaneous adsorption force during installation, thereby reducing the possibility of the display module being bumped or knocked, and improving the yield of the splicing display device.

[0066] In some embodiments, the display module assembly is provided with a plurality of fasteners 12 and a plurality of clamping components 13, thereby achieving a stable connection between the display module and the housing 30. For example, the support structure 11 is rectangular, and each corner of the rectangular structure is provided with a fastener 12 and a clamping component 13.

[0067] In some embodiments, combined with Figure 2 and Figure 3 As shown, the fastener 12 includes a cylindrical structure portion 121 and a cap portion 122. The cylindrical structure portion 121 is connected to the support structure 11; for example, the cylindrical structure portion 121 and the support structure 11 are formed as an integral structure. The cap portion 122 is located on the side of the cylindrical structure portion 121 away from the support structure 11, and is connected to the cylindrical structure portion 121. The cap portion 122 can be detachably connected to the cylindrical structure portion 121 via a screw 123 or other connecting member. The cap portion 122, the cylindrical structure portion 121, and the support structure 11 form a receiving cavity Sp, and the first opening V1 of the receiving cavity Sp is located on the cap portion 122. That is, when the assembly is installed with the housing 30, a portion of the positioning post 20 on the housing 30 passes through the cap portion 122 and enters the receiving cavity Sp.

[0068] Figure 4This is a perspective view of the cylindrical structure provided in some embodiments of this disclosure. Figure 5 This is a bottom view of a cylindrical structure provided in some embodiments of this disclosure. Figure 6 For along Figure 5 A sectional view of line A-A' in the middle. Figure 7 This is a schematic diagram of the fasteners and clamping assemblies provided in some embodiments of this disclosure, such as... Figures 4 to 6 As shown, the receiving cavity Sp includes a first receiving portion Sp1 and a plurality of slide portions Sp2. The first receiving portion Sp1 may be formed on the cylindrical structure portion 121 for receiving a part of the positioning post 20. The plurality of slide portions Sp2 are evenly distributed circumferentially along the first receiving portion Sp1 and communicate with the first receiving portion Sp1. The plurality of slide portions Sp2 are used to receive the clamping assembly 13.

[0069] like Figure 7 As shown, the clamping assembly 13 includes a plurality of elastic elements 131 and a plurality of limiting elements 132. In one example, the clamping assembly 13 may include three elastic elements 131 and three limiting elements 132, thereby stably clamping the positioning post 20 after it extends into the receiving cavity Sp. Of course, the clamping assembly 13 may also include other numbers of elastic elements 131 and limiting elements.

[0070] Each slide section Sp2 is provided with an elastic element 131, which is used to extend and retract along the thickness direction (hereinafter referred to as the z-direction) of the support structure 11, and has an initial state, a first state, and a second state. The initial state is the state of the elastic element 131 when the positioning post 20 has not extended into the receiving cavity Sp. The length of the elastic element 131 in the first state is greater than the length of the elastic element 131 in the second state, and the length of the elastic element 131 in the initial state is greater than or equal to the length of the elastic element 131 in the first state. For example, the initial state, the first state, and the second state are all states where the elastic element 131 is compressed, and the compression amount of the elastic element 131 in the first state is less than the compression amount of the elastic element 131 in the second state. In this case, the end of the elastic element 131 away from the limiting member 132 is connected to the support structure 11, or it may not be connected to the support structure 11. Assuming the elastic element 131 is not connected to the support structure 11, when the elastic element 131 is in its initial state, under the elastic force of the elastic element 131, the elastic element 131 and the limiting element 132 are clamped between the support structure 11 and the cap portion 122, which still ensures the stability of the elastic element 131. In this embodiment, the elastic element 131 can be a spring, such as a compression spring.

[0071] The limiting member 132 is connected to the elastic member 131 in a one-to-one correspondence. The limiting member 132 is located on the side of the corresponding elastic member 131 away from the support structure 11. The limiting member 132 is used to cooperate with the limiting structure on the positioning post 20 when the elastic member 131 is in the first state, so as to limit the positioning post 20 in the z direction; and when the elastic member 131 is in the second state, it separates from the limiting structure, so that the positioning post 20 is no longer limited.

[0072] Figure 8 This is a schematic diagram of the positioning posts on the housing provided in some embodiments of this disclosure, such as... Figure 8 As shown, in some embodiments, the positioning post 20 is a screw, which includes a main body 21 and a mounting head 22. The main body 21 is provided with a first thread, and the mounting head 22 is located on the side of the main body 21 away from the housing 30 and is fixedly connected to the main body 21. For example, the mounting head 22 and the main body 21 are an integral structure. Along the direction away from the main body 21, the cross-sectional area of ​​the mounting head 22 gradually decreases, which facilitates the insertion of the limiting member 132 into the receiving cavity Sp when the elastic member 131 is in the initial state.

[0073] When the positioning post 20 is a screw, the limiting structure is the first thread on the positioning post 20. In this case, the limiting member 132 has a second thread on its surface facing the first receiving portion Sp1, and the cross-sectional area of ​​the slide portion Sp2 gradually decreases along the direction away from the support structure 11, wherein the cross-sectional area of ​​the slide portion Sp2 is the area of ​​the cross section perpendicular to the thickness direction of the support structure 11. That is, the slide portion Sp2 gradually contracts along the direction away from the support structure 11. Specifically, as Figure 5 As shown, the slide section Sp2 includes: a first sidewall w1, a second sidewall w2, and a third sidewall w3. The plurality of first sidewalls w1 are conformal to a portion of the outer surface of the cylindrical structure section 121, and their relative positions are closest to the outer surface of the cylindrical structure section 121. The plurality of third sidewalls w3 surround the first receiving section Sp1 and are spaced apart. The plurality of second sidewalls w2 are used to connect the first sidewalls w1 and the third sidewalls w3. Figure 6 and Figure 7 As shown, along the direction away from the support structure 11, the first sidewall w1 gradually approaches the first receiving portion Sp1, so that when the elastic member 131 is in the first state, the limiting member 132 abuts against the end of the first sidewall w1 away from the support structure 11, and the first thread engages with the second thread; when the elastic member 131 is in the second state, the limiting member 132 is located at the position of the slide portion Sp2 close to the support structure 11, at which time the thread of the limiting member 132 no longer engages with the thread on the positioning post 20, thereby no longer limiting the positioning post 20.

[0074] In some embodiments, when the positioning post 20 is a screw... Figure 7The limiting component 132 is block-shaped, and multiple limiting components 132 can be regarded as being cut from nuts that match the positioning post 20.

[0075] In some embodiments, the limiting member 132 can be a magnet, or can be attracted by a magnet, so as to facilitate the assembly and disassembly of the support structure 11 and the positioning post 20 of the display module. The assembly and disassembly process of the support structure 11 and the positioning post 20 of the display module is described below with the limiting member 132 being a magnet (for example, the limiting member 132 is made of iron) as an example.

[0076] Figures 9A to 9C A 3D view showing the installation process of the supporting structure and positioning columns. Figure 9D This is a schematic diagram of the box body and its positioning posts. Figures 10A to 10C A sectional view of the installation process of the supporting structure and positioning columns, such as... Figures 9A to 10C As shown, when the positioning post 20 adopts Figure 8 The structure shown, and the limiting component adopts Figure 7 When the structure shown is used, the installation process of the support structure 11 and the positioning post 20 of the display module is as follows:

[0077] like Figure 9A and Figure 10A As shown, when the positioning post 20 is not inserted into the receiving cavity Sp, the elastic member 131 is in its initial state, the limiting member 132 abuts against the cap portion 122, and the orthographic projection of the limiting member 132 on the support structure 11 overlaps with the orthographic projection of the first opening V1 of the receiving cavity Sp on the support structure 11. When the display module is installed with the housing 30, the display module and the positioning post 20 are controlled to move relative to each other, so that the positioning post 20 extends from the first opening V1 into the receiving cavity Sp. Figure 9B and Figure 10B As shown, the positioning post 20 pushes up the limiting member 132 as it extends into the receiving cavity Sp; Figure 9C and Figure 10C As shown, when the positioning post 20 extends into the receiving cavity Sp to a certain depth, the limiting member 132 is no longer pushed by the positioning post 20. Instead, under the elastic force of the elastic member 131, it moves away from the support structure 11 until it abuts against the first side wall of the slide section Sp2. The thread on the limiting member 132 engages with the thread on the positioning post 20, thereby limiting the positioning post 20. Since the top of the positioning post 20 is provided with a mounting head 22, the cross-sectional area of ​​the mounting head 22 gradually decreases along the direction close to the support structure 11. Therefore, the positioning post 20 can easily extend into the receiving cavity Sp. After the positioning post 20 and the display module no longer move relative to each other, the limiting member 132 can smoothly slide down along the surface of the mounting head 22 to the end of the slide section Sp2 away from the support structure 11.

[0078] Of course, a magnetic component can also be used when installing the display module and the positioning post 20. Specifically, the magnetic component is used to attract the limiting member 132, causing the limiting member 132 to overcome the elastic force of the elastic member 131 and move towards the support structure 11, thereby reaching a position close to the support structure 11. At this time, the elastic member 131 reaches its second state. Then, the first opening of the fixing member 12 on the support structure 11 is aligned with the positioning post 20, and the relative movement between the support structure 11 and the positioning post 20 is controlled so that the positioning post 20 extends into the receiving cavity Sp from the first opening. At this time, since the space near the support structure 11 of the slide part Sp2 is relatively large, the limiting member 132 will not affect the movement of the positioning post 20. When the positioning post 20 extends into the receiving cavity Sp to a certain depth, it no longer attracts the limiting member 132. At this time, under the elastic force of the elastic member 131, the limiting member 132 moves away from the support structure 11, thereby reaching a position away from the support structure 11 and abutting against the first side wall of the slide part Sp2. The thread on the limiting member 132 engages with the thread on the positioning post 20, thereby limiting the positioning post 20.

[0079] When it is necessary to separate the display module from the positioning post 20, a magnetic component is used to attract the limiting member 132, causing the limiting member 132 to overcome the elastic force of the elastic member 131 and move towards the support structure 11, thereby reaching a position close to the support structure 11. Then, the support structure 11 is controlled to move away from the positioning post 20, so that the positioning post 20 disengages from the first opening.

[0080] After the display module and positioning post 20 are installed, if the display module is uneven, the positioning post 20 can be adjusted to ensure the flatness of the display module. Specifically, the positioning post 20 can be rotated, causing the positioning post 20 and the fixing member 12 to move relative to each other in the z-direction, thereby moving the display module closer to or further away from the housing 30 corresponding to the position of the positioning post 20, thus adjusting the flatness of the display module.

[0081] It should be noted that the positioning pin 20 is threadedly connected to the housing; therefore, rotating the positioning pin 20 will not cause the housing to rotate. Figure 9D As shown, the enclosure 30 has a semi-enclosed structure, including side walls 31 and a top wall 32 connected to the side walls 31. Multiple side walls 31 and the top wall 32 enclose a semi-open space. The top wall 32 has threaded holes, through which the positioning pin 20 passes and is threadedly connected. When installing the display module and the enclosure 30, the top wall 32 faces the display module. When rotating the positioning pin 20, the end of the positioning pin 20 furthest from the display module (i.e., the...) is... Figure 9D Rotate the lower end of the middle section.

[0082] It should also be noted that the substrate material of a single display module, such as glass or quartz, and the weight of a single display module not exceeding 10 inches, can be less than 200g. The elastic force of the elastic element 131 should meet the following conditions: the multiple elastic elements 131 should be able to support the weight of a single display module, that is, when the cabinet is placed horizontally and the display module is located above the cabinet, even if the positioning post 20 extending into the receiving cavity Sp does not contact the support structure 11 of the assembly, the multiple elastic elements 131 should still be able to support the display module in the first state without continuing to deform, thereby preventing relative movement between the display module and the cabinet after installation.

[0083] Figure 11 This is a schematic diagram of the positioning posts provided in some other embodiments of this disclosure. Figure 12A This is a perspective view of the fastener, clamping assembly, and positioning post provided in some other embodiments of this disclosure. Figure 12B This is a cross-sectional view of the fasteners and clamping assemblies provided in some other embodiments of this disclosure. Figure 8 The positioning post 20 is the same as that in the middle. Figure 11 The positioning post 20 can also include a main body 21 and a mounting head 22. The mounting head 22 is located on the side of the main body 21 away from the housing, and its cross-sectional area gradually decreases along the direction away from the main body 21. The portion of the main body 21 away from the mounting head 22 is provided with threads for threaded connection with the housing; a limit structure is provided on the portion of the main body 21 near the mounting head 22. Figure 8 The difference between the positioning post 20 and the positioning post 20 is that, Figure 11 In the middle, the limiting structure 23 on the positioning post 20 is a groove.

[0084] When positioning post 20 is used Figure 11 In the structure, the fastener 12 and clamping assembly 13 on the assembly can be adopted Figures 12A to 12B The structure within. And... Figure 7 Similarly, in Figure 12A and Figure 12BIn this assembly, the fixing member 12 also includes a cylindrical structure portion 121 and a cap portion 122. The cap portion 122, the cylindrical structure portion 121, and the support structure 11 form a receiving cavity Sp. The receiving cavity Sp includes a first receiving portion Sp1 and multiple slide portions Sp2. The clamping assembly 13 includes multiple elastic elements 131 and multiple limiting elements 132. Each slide portion Sp2 has an elastic element 131, and the limiting element 132 is connected to each elastic element 131 in a one-to-one correspondence. The limiting element 132 is located on the side of the corresponding elastic element 131 away from the support structure 11. The limiting element 132 is used to cooperate with the limiting structure on the positioning post 20 when the elastic element 131 is in the first state, to limit the positioning post 20 in the thickness direction of the support structure 11; and to separate from the limiting structure when the elastic element 131 is in the second state. The limiting element 132 can be a magnet or can be attracted by a magnet.

[0085] and Figure 7 The difference is that, in Figure 12A and Figure 12B In this configuration, the limiting member 132 no longer has threads; instead, the clamping assembly 13 clamps the positioning post 20 by at least partially extending into the groove. In this case, the receiving cavity Sp includes a first receiving portion Sp1 and multiple sliding portions Sp2, as well as a second receiving portion Sp3. The second receiving portion Sp3 is located on the side of the first receiving portion Sp1 away from the support structure 11 and has a second opening, a third opening, and a sidewall connecting the two. The second opening communicates with both the first receiving portion Sp1 and the sliding portions Sp2, and the third opening communicates with the first opening. The first receiving portion Sp1 and the sliding portions Sp2 can be formed on the cylindrical structure portion 121, and the second receiving portion Sp3 can be formed on the cap portion 122. Along the direction away from the support structure 11, the cross-section of the second receiving portion Sp3 gradually decreases, so that when the elastic member 131 is in the first state, the limiting member 132 abuts against the sidewall of the second receiving portion Sp3 and at least partially enters the groove 23 on the positioning post 20.

[0086] exist Figure 12A and Figure 12B In this process, the limiting member 132 can be a cylindrical, ellipsoidal or other structure. Preferably, the limiting member 132 can be spherical so that the limiting member 132 can move along the side wall of the second receiving part Sp3.

[0087] Figure 13 for Figure 12A and Figure 12B A top view of the cap section, as shown in the image. Figure 13As shown, the second receiving portion Sp3 is further provided with multiple partitions 124, which divide the second receiving portion Sp3 into: a central sub-receiving portion (i.e., the portion of the second receiving portion Sp3 directly opposite the first opening V1) and multiple edge sub-receiving portions Sp31. The central sub-receiving portion is opposite to and communicates with the first receiving portion Sp1, and the edge sub-receiving portions Sp31 are correspondingly opposite to and communicate with the slide portion Sp2. The multiple partitions 124 ensure that the limiting member 132 moves towards or away from the supporting structure 11 during the installation of the display module and the housing, and does not move around the axis of the second receiving portion Sp3.

[0088] Figures 14A to 14C This is a schematic diagram illustrating the installation process of the display module and the housing provided in some other embodiments of this disclosure. When the positioning post 20 on the housing is used... Figure 11 The structure in the middle, the fastener 12 and the clamping assembly 13 adopt Figure 12A When the structure is in, such as Figure 14A As shown, before installation, the elastic element 131 is in its initial state, and the limiting element 132, under the elastic force of the elastic element 131, abuts against the side wall of the second receiving part Sp3, and the multiple limiting elements 132 press against each other. When installing the display module to the housing, the display module and the positioning post 20 are controlled to move relative to each other, so that the positioning post 20 extends from the first opening into the receiving cavity Sp. Figure 14B As shown, when the positioning post 20 just extends into the receiving cavity Sp, it pushes the limiting member 132, causing the limiting member 132 to overcome the elastic force of the elastic member 131 and move closer to the supporting structure 11. Figure 14C As shown, when the positioning post 20 extends into the receiving cavity Sp to a certain depth, the limiting member 132 is no longer pushed by the positioning post 20, but will move away from the supporting structure 11 under the elastic force of the elastic member 131 until at least a part of the limiting member 132 is located in the groove 23.

[0089] Of course, a magnetic component can also be used when installing the display module and the positioning post 20. Specifically, the magnetic component is used to attract the limiting member 132, causing the limiting member 132 to overcome the elastic force of the elastic member 131 and move towards the support structure 11, thereby reaching a position close to the support structure 11. At this time, the elastic member 131 reaches a second state. Then, the first opening of the fixing member 12 on the support structure 11 is aligned with the positioning post 20, and the relative movement between the support structure 11 and the positioning post 20 is controlled so that the positioning post 20 extends into the receiving cavity Sp from the first opening. When the positioning post 20 extends into the receiving cavity Sp to a certain depth, it no longer attracts the limiting member 132. At this time, under the action of the elastic force of the elastic member 131, the limiting member 132 moves away from the support structure 11, thereby locking into the groove of the positioning post 20.

[0090] When it is necessary to separate the display module from the positioning post 20, a magnetic component is used to attract the limiting member 132, causing the limiting member 132 to overcome the elastic force of the elastic member 131 and move towards the support structure 11, thereby reaching a position close to the support structure 11. Then, the support structure 11 is controlled to move away from the positioning post 20, so that the positioning post 20 disengages from the first opening.

[0091] In some examples, the shape and size of the groove satisfy the following condition: when at least a portion of the limiting member 132 extends into the groove 23, it is not completely locked into the groove 23. In this case, the positioning post 20 can move slightly relative to the display module in the z-direction. If the display module is uneven after installation with the positioning post 20, the positioning post 20 can be adjusted to ensure the flatness of the display module. Specifically, the positioning post 20 can be rotated, causing relative movement between the positioning post 20 and the fixing member 12 in the z-direction, thereby moving the display module closer to or further away from the housing 30 corresponding to the position of the positioning post 20, thus adjusting the flatness of the display module. Wherein, in Figure 11 In the positioning post 20 shown, the orthographic projection of the groove 23 on the housing is annular. When a part of the limiting member 132 is located in the groove 23, it does not hinder the rotation of the positioning post 20.

[0092] In other examples, the shape and size of the groove 23 satisfy the condition that when at least a portion of the limiting member 132 extends into the groove 23, it engages with the groove 23 to prevent the positioning post 20 from moving relative to the display module in the z-direction. In this case, the flatness of the display module can be adjusted using an adjusting rod. Figure 15 This is a schematic diagram of the positioning post and adjusting rod provided in some other embodiments of this disclosure. Figure 15 The positioning post 20 shown is... Figure 11 The difference between the positioning post 20 shown is that, Figure 15 An adjustment channel is provided inside the positioning post 20, extending through the positioning post 20 along its height direction. An adjustment rod 24 is provided within the adjustment channel and is threadedly connected to the positioning post 20. In this case, after the display module and the housing 30 are installed, the adjustment rod 24 can be rotated to raise or lower it relative to the housing 30, thereby adjusting the height of the display module corresponding to the position of the adjustment rod 24, and thus adjusting the flatness of the display module.

[0093] It should be noted that, in Figures 9A to 9C , Figure 12A In order to more clearly show the internal structure of the cylindrical structure 121, a part of the cylindrical structure 121 has been cut off, which does not mean that the actual structure of the cylindrical structure 121 is missing.

[0094] This disclosure also provides a display module. Figure 16 This is a schematic diagram of a display module provided in some embodiments of this disclosure, such as... Figure 16 As shown, the display module 100 includes a display substrate 40 and the assembly in the above embodiment. The display substrate 40 is located on the side of the support structure 11 away from the fixing member 12.

[0095] The display substrate 40 includes a substrate and a light-emitting device disposed on the substrate. The light-emitting device may be a micro light-emitting diode, etc.

[0096] like Figure 16 As shown, the display module may further include a driving circuit board 70 and a flexible circuit board 41. The driving circuit board 70 provides the display substrate 40 with signals required for display, such as voltage signals and data signals. The flexible circuit board 41 transmits the signals provided by the driving circuit board 70 to each light-emitting device. The flexible circuit board 41 is located on the side of the substrate away from the light-emitting devices, and the driving circuit board 70 is located on the side of the assembly away from the display substrate 40. The assembly has a cutout portion 11v. A portion of the flexible circuit board 41 is electrically connected to the display substrate 40, and another portion passes through the cutout portion 11v and is connected to the driving circuit board 70.

[0097] The electrical connection between the flexible circuit board 41 and the display substrate 40 means that the flexible circuit board 41 is electrically connected to the light-emitting device. Specifically, a first bonding electrode and a second bonding electrode are disposed on the substrate. The first bonding electrode is located on the side of the substrate away from the light-emitting device, and the second bonding electrode is located on the same side of the substrate as the light-emitting device. The first bonding electrode is connected to the light-emitting device through a signal line, and the second bonding electrode is connected to the first bonding electrode through a connecting line. The bonding area at one end of the flexible circuit board 41 is connected to the first bonding electrode, and the other end of the flexible circuit board 41 is connected to the driving circuit board 70. A portion of the connecting line can be located on the side of the substrate. In this case, when multiple display modules are spliced ​​together, the splicing gap width between adjacent display modules is smaller.

[0098] Furthermore, the number of flexible circuit boards 41 can be multiple, for example, three. The three flexible circuit boards 41 are respectively used to transmit the first voltage signal, the second voltage signal, and the data signal to each light-emitting device. Among them, when there are multiple flexible circuit boards 41, the cutout portion 11v can correspond one-to-one with the flexible circuit board 41.

[0099] like Figure 16 As shown, the display module may further include a light-shielding sheet 50, which is disposed on the side of the substrate away from the light-emitting device. By providing the light-shielding sheet 50, the structure of the backlight side of the display substrate 40 can be prevented from affecting the display effect.

[0100] The shape of the light-shielding sheet 50 can be approximately the same as that of the substrate. The light-shielding sheet 50 can be bonded to the substrate. For example, the edge of the light-shielding sheet 50 is approximately flush with the edge of the substrate, and the adhesive 60 contacts the assembly and the light-shielding sheet respectively, thereby fixing the display substrate 40 and the light-shielding sheet 50 together with the assembly; or, the edge of the light-shielding sheet 50 is located inside the edge of the substrate, and the adhesive 60 contacts the assembly and the substrate of the display substrate 40 respectively. The light-shielding sheet 50 can cover the first bonding electrode on the substrate. In this case, the light-shielding sheet 50 can also have through holes corresponding one-to-one with the flexible circuit board 41. The flexible circuit board 41 passes through the through holes in the light-shielding sheet 50, thereby ensuring that one end of the flexible circuit board 41 can be connected to the first bonding electrode, and the other end can be connected to the driving circuit board 70.

[0101] Optionally, the material of the light-shielding sheet 50 can be graphite. Since graphite has good thermal conductivity, the light-shielding sheet 50 can not only block light but also evenly distribute the heat generated by the display substrate 40, preventing local overheating of the display substrate 40, thereby improving the reliability of the display substrate.

[0102] This disclosure also provides a splicing display device. Figure 17 This is a schematic diagram of a splicing display device provided in some embodiments of this disclosure, such as... Figure 17 As shown, the splicing display device includes: a cabinet 30 and a plurality of display modules 100 disposed on the cabinet 30, wherein the display module 100 is the display module in the above embodiment.

[0103] The structure of the housing 30 is described above. Figure 9D The description will not be repeated here. The positioning post 20 is located on the side of the housing 30 facing the display module 100. A part of the positioning post 20 extends into the receiving cavity from the first opening on the fixing member of the display module. The clamping assembly in the receiving cavity clamps the positioning post 20.

[0104] Positioning post 20 can be adopted Figure 8 or Figure 11 or Figure 15 The structure shown is described above and will not be repeated here.

[0105] In some embodiments, the splicing display device may further include a driver disposed on the housing. When the positioning column 20 adopts... Figure 8 or Figure 11 In the structure described above, the driver is connected to the positioning post 20 and drives the positioning post 20 to rotate around its own axis according to the drive signal, thereby driving the positioning post 20 to rise and fall relative to the cabinet to adjust the flatness of the display module; when the positioning post 20 adopts... Figure 15In the structure, the driver is connected to the adjustment rod 24 and drives the adjustment rod 24 to rotate around its own axis according to the drive signal, thereby driving the adjustment rod 24 to rise and fall relative to the cabinet to adjust the flatness of the display module.

[0106] The drive signal can be a signal generated by the control module in the splicing display device in response to the user's adjustment command. For example, during the application of the splicing display device, if an unevenness is found in the display module, an adjustment command is sent to the control module in the splicing display device via a terminal, remote control, or control button on the splicing display device. This causes the control module to send a drive signal to the driver according to the adjustment command, thereby controlling the driver to drive the positioning column 20 or adjustment rod 24 at the corresponding position to rotate according to the drive signal.

[0107] Of course, the splicing display device may not include the aforementioned driver. When it is necessary to adjust the flatness of the display module, the positioning column 20 or the adjustment rod can be rotated manually.

[0108] The above describes the assembly, display module, and splicing display device of the display module provided in the embodiments of this disclosure. It can be seen that in the embodiments of this disclosure, a fixing member 12 is provided on the support structure 11 of the assembly, and a clamping component 13 is provided in the receiving cavity Sp inside the fixing member 12. When installing the display module and the cabinet, the display module and the cabinet are controlled to move closer to each other, so that the positioning post 20 on the cabinet extends into the receiving cavity Sp. At this time, the clamping component 13 can clamp the positioning post 20, realizing the installation of the display module and the cabinet. This method is convenient to operate and easy to install, and it does not generate instantaneous attraction during installation, thereby preventing the display module from being bumped or knocked, thus improving product yield. In addition, when the surface of the display module is uneven, the flatness of the display module can be adjusted by adjusting the positioning post 20.

[0109] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of this disclosure, and this disclosure is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and substance of this disclosure, and these modifications and improvements are also considered to be within the scope of protection of this disclosure.

Claims

1. A splicing display device, comprising a housing and a plurality of display modules, each display module comprising a display substrate and an assembly, the assembly being used for assembly with positioning posts, the positioning posts being disposed on the side of the housing facing the display modules; wherein, The assembly includes: The support structure has a bearing surface and a mounting surface that are arranged opposite to each other, wherein the bearing surface is used to support the display substrate; A fastener is disposed on the mounting surface of the support structure, and a receiving cavity is formed within the fastener. The receiving cavity has a first opening located on the surface of the fastener away from the support structure. The display substrate is located on the side of the support structure opposite to the fastener. A clamping assembly is disposed in the receiving cavity, a portion of the positioning post extending into the receiving cavity from the first opening, the clamping assembly being used to clamp the positioning post extending into the receiving cavity from the first opening; The receiving cavity includes: A first receiving portion is used to receive a part of the positioning post; Multiple slide sections are distributed along the circumference of the first receiving portion and are connected to the first receiving portion. Adjacent slide sections arranged in the circumference of the first receiving portion are spaced apart. The clamping assembly includes: Multiple elastic elements are provided in each of the slide sections. The elastic elements are used to extend and retract along the thickness direction of the support structure and have a first state and a second state. The length of the elastic element in the first state is greater than the length of the elastic element in the second state. Multiple limiting members are provided, each corresponding to one of the elastic members. The limiting members are disposed on the side of the corresponding elastic member away from the support structure. The limiting members are used to cooperate with the limiting structure on the positioning post when the elastic member is in the first state, so as to limit the positioning post in the thickness direction of the support structure; and to separate from the limiting structure when the elastic member is in the second state. The limiting structure is a groove on the positioning post. The receiving cavity further includes a second receiving portion located on the side of the first receiving portion away from the supporting structure, and having a second opening, a third opening, and a sidewall connecting the two. The second opening communicates with both the first receiving portion and the slide portion, and the third opening communicates with the first opening. The cross-section of the second receiving portion gradually decreases along the direction away from the supporting structure, so that when the elastic member is in the first state, the limiting member abuts against the sidewall of the second receiving portion and at least partially enters the groove. The second receiving portion is provided with multiple partitions, which divide the second receiving portion into a central sub-receiving portion and multiple edge sub-receiving portions. The central sub-receiving portion is opposite to and communicates with the first receiving portion, and the edge sub-receiving portions are correspondingly opposite to and communicate with the slide portion. An adjustment channel is provided inside the positioning post, extending through the positioning post along its height direction. An adjustment rod is provided inside the adjustment channel and threadedly connected to the positioning post.

2. The splicing display device according to claim 1, wherein, When the limiting structure is a groove on the positioning post, the limiting member is spherical.

3. The splicing display device according to claim 1, wherein, The limiting element is a magnet, or the limiting element can be attracted by a magnet.

4. The splicing display device according to any one of claims 1 to 3, wherein, The fastener includes: A cylindrical structural section is connected to the supporting structure; The cap portion is located on the side of the cylindrical structure portion away from the support structure. The cap portion is connected to the cylindrical structure portion and together with the cylindrical structure portion and the support structure, forms the receiving cavity. The first opening of the receiving cavity is located on the cap portion.

5. The splicing display device according to claim 4, wherein, The cylindrical structure and the supporting structure are integrated into one structure, and the cap is detachably connected to the cylindrical structure.

6. The splicing display device according to any one of claims 1 to 3, wherein, The support structure is rectangular, and each corner of the rectangular structure is provided with the fixing member and the clamping assembly.

7. The splicing display device according to any one of claims 1 to 3, wherein, The positioning post includes: The main body is connected to the box body; An installation head is disposed on the side of the main body away from the housing and is fixedly connected to the main body; wherein, along the direction away from the main body, the cross-sectional area of ​​the installation head gradually decreases.

8. The splicing display device according to any one of claims 1 to 3, wherein, The positioning post is threadedly connected to the housing, and the splicing display device further includes: A driver is mounted on the housing and connected to the positioning post, used to drive the positioning post to rotate around its own axis according to a drive signal.

9. The splicing display device according to any one of claims 1 to 3, wherein, When the limiting structure is a groove on the positioning post, the splicing display device further includes: A driver, mounted on the housing, is connected to the adjusting rod and is used to drive the adjusting rod to rotate around its own axis according to a driving signal.

10. The splicing display device according to any one of claims 1 to 3, wherein, When the limiting structure is a groove on the positioning post, the orthographic projection of the groove on the box body is an annular shape.

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