CN211529521U

CN211529521U - Display screen

Info

Publication number: CN211529521U
Application number: CN201922119599.1U
Authority: CN
Inventors: 焦伟棋; 陈健; 李勇; 刘兴雄
Original assignee: Yaham Optoelectronics Co ltd
Current assignee: SHENZHEN YAHAM OPTOELECTRONICS CO Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-18
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a display screen, which comprises a circuit board component, an outer frame used for supporting the circuit board component, a power supply arranged on the outer frame and electrically connected with the circuit board component, a first screen and a second screen respectively arranged on two sides of the circuit board component, the circuit board component comprises a first circuit board, a second circuit board, a first lamp bead, a second lamp bead and a first connecting component, the first circuit board and the second circuit board are arranged at intervals in the vertical direction, the first circuit board and the second circuit board are connected through the first connecting component, the first circuit board comprises a first side surface and a second side surface, the second circuit board comprises a third side surface and a fourth side surface, the first lamp bead is arranged on the first side surface and/or the second side surface, the second lamp bead is arranged on the third side surface and/or the fourth side surface, the multi-surface display can be easily realized through the change of the mounting mode of the first lamp bead and the second lamp bead, the multi-face display is realized on the premise of not changing the thickness of the product.

Description

Display screen

Technical Field

The utility model relates to a display screen technical field especially relates to a display screen.

Background

With the continuous development of the LED display screen industry, a transparent screen integrating light, thin and transparent functions is favored by the market. The existing side-emitting transparent screens in the market are only simple single-sided display, and the design does not fully utilize a circuit board and cannot be used in certain occasions such as channels, halls and the like which need multi-sided display.

Therefore, it is necessary to provide a new display screen to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a display screen, it aims at solving the technical problem that current display screen only single face shows the function.

In order to achieve the above purpose, the utility model provides a scheme is:

a display screen comprises a circuit board assembly, an outer frame used for supporting the circuit board assembly, a power supply arranged on the outer frame and electrically connected with the circuit board assembly, a first screen arranged on one side of the circuit board assembly, and a second screen arranged on the other side of the circuit board assembly, wherein the circuit board assembly comprises a plurality of first circuit boards, a plurality of second circuit boards, a plurality of rows of first lamp beads, a plurality of rows of second lamp beads and a first connecting assembly, the first circuit boards and the second circuit boards are arranged in a staggered and spaced mode in the vertical direction, the first circuit boards and the second circuit boards are connected through the first connecting assembly, each first circuit board comprises a first side face perpendicular to the first screen and a second side face spaced from and back to back with the first side face, and each second circuit board comprises a third side face perpendicular to the first screen and a fourth side face spaced from and back to back with the third side face The first lamp beads in the rows are arranged on the first side face and/or the second side face, and the second lamp beads in the rows are arranged on the third side face and/or the fourth side face.

As an improvement, the first lamp beads are arranged in one row on the first side surface, the first lamp beads are arranged in one row or two rows on the second side surface, the second lamp beads are arranged in one row on the third side surface, and the second lamp beads are arranged in one row or two rows on the fourth side surface.

As an improvement, the first side surface of the first lamp bead is provided with two rows, the second side surface of the first lamp bead is provided with one row or two rows, the third side surface of the second lamp bead is provided with two rows, and the fourth side surface of the second lamp bead is provided with one row or two rows.

As an improvement, each of the first circuit boards has a first through hole, each of the second circuit boards has a second through hole, the first connection assembly includes a first connection member and a second connection member, the first connection member includes a first cylindrical structure connected to the first circuit board and a second cylindrical structure connected to the first cylindrical structure, the first cylindrical structure has an outer diameter larger than that of the second cylindrical structure, a first connection hole is concavely provided on a side of the first cylindrical structure away from the second cylindrical structure toward the second cylindrical structure, a center line of the first connection hole and a center line of the second cylindrical structure are on a same vertical line, the second connection member includes a third cylindrical structure connected to the second circuit board and a fourth cylindrical structure connected to the third cylindrical structure, the third cylindrical structure has an outer diameter larger than that of the fourth cylindrical structure, one side of the third cylindrical structure, which is far away from the fourth cylindrical structure, is concavely provided with a second connecting hole towards the fourth cylindrical structure, the central line of the second connecting hole and the central line of the fourth cylindrical structure are on the same vertical line, the second cylindrical structure penetrates through the first through hole to be inserted into the second connecting hole, and the fourth cylindrical structure penetrates through the second through hole to be inserted into the first connecting hole.

As an improvement mode, the circuit board assembly further comprises a second connecting assembly, the first circuit board is provided with a plurality of rows, two adjacent rows of the first circuit board are arranged side by side and pass through the second connecting assembly, the second circuit board is provided with a plurality of rows, and two adjacent rows of the second circuit board are arranged side by side and pass through the second connecting assembly.

As an improvement mode, each first circuit board is further provided with a first clamping hole and a first slot in a penetrating manner, each second circuit board is further provided with a second clamping hole and a second slot in a penetrating manner, each second connecting assembly comprises a plurality of third connecting pieces, a plurality of fourth connecting pieces staggered with the third connecting pieces, and supporting pieces penetrating the plurality of third connecting pieces and the plurality of fourth connecting pieces, each third connecting piece is provided with a third through hole in a penetrating manner, each third connecting piece comprises a first body, a first bulge protruding from one side of the first body, and a second bulge and a third bulge both protruding from the other side of the first body, the third through hole penetrates through the first body and the third bulge, the first bulges are provided with two parts and are respectively positioned on two sides of the first body to be inserted into the first clamping holes of two adjacent columns of first circuit boards, the second convex parts are provided with two second clamping holes which are respectively positioned at two sides of the first body and are inserted in two adjacent columns of the second circuit boards, the third convex parts are arranged between the two second convex parts and are inserted in the second grooves of the two adjacent columns of the second circuit boards, each fourth connecting part is provided with a fourth through hole in a penetrating way, each fourth connecting part comprises a second body, a fourth convex part protruding from one side of the second body, and a fifth convex part and a sixth convex part both protruding from the other side of the second body, the fourth through hole penetrates through the second body and the sixth convex part, the fourth convex parts are provided with two second clamping holes which are respectively positioned at two sides of the second body and are inserted in two adjacent columns of the second circuit boards, the fifth convex parts are provided with two first clamping holes which are respectively positioned at two sides of the second body and are inserted in two adjacent columns of the first circuit boards, the sixth protruding parts are arranged between the two fourth protruding parts to be inserted into the first grooves of the two adjacent rows of the first circuit boards, one end of the supporting piece is fixed to one side of the outer frame, and the other end of the supporting piece penetrates through the second clamping groove, the fourth through hole, the first clamping groove and the third through hole and is fixed to the other side of the outer frame.

As an improved mode, the supporting member is a steel wire rope, the second connecting assembly further includes a fastening member disposed at one end of the outer frame for fixing the supporting member, and an end of the supporting member extending toward the fastening member is wound around the fastening member.

As an improvement, the second connecting assembly further includes a pressing assembly disposed at an end of the outer frame far away from the fastener, the pressing assembly includes a pressing block and a pressing member for pressing the pressing block on the outer frame, the pressing block includes a bending portion bending towards the outer frame and connecting portions connected to two sides of the bending portion, the bending portion and the outer frame enclose to form a holding tank for holding the supporting member, the outer frame has a fifth through hole corresponding to the holding tank, the outer frame has a threaded hole corresponding to the pressing member, the pressing member is in threaded fit with the threaded hole, and an end of the supporting member far away from the fastener passes through the holding tank and the fifth through hole and is fixed to the outer frame.

As an improvement mode, the frame include with first circuit board parallel arrangement's first frame, with the second frame that first frame interval set up, connect first frame one end with the third frame of second frame one end and connection the first frame other end with the fourth frame of the second frame other end, the third frame with the fourth frame is all offered and is used for the joint the first bayonet socket of a plurality of first circuit board with be used for the joint the second bayonet socket of a plurality of second circuit board, the power is located first frame the second frame the third frame with arbitrary one or arbitrary two in the fourth frame.

As an improved mode, the display screen further comprises a plurality of L-shaped fixing pieces arranged on the outer frame, and the circuit board assembly is supported on the outer frame through the plurality of L-shaped fixing pieces.

The utility model provides a display screen is through adopting the luminous LED of side to paste the transform of dress mode on circuit board assembly, can easily realize the transform that the multiaspect was shown through the transform that adopts first lamp pearl to paste the dress mode on first circuit board and second lamp pearl to paste the dress mode on the second circuit board promptly, has greatly improved circuit board assembly's utilization ratio, realizes the multiaspect and shows under the prerequisite that does not change product thickness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a display screen provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

FIG. 4 is an enlarged view of C in FIG. 1;

fig. 5 is a distribution diagram of a first lamp bead on a first circuit board provided by the embodiment of the present invention;

fig. 6 is a distribution diagram of second lamp beads on a second circuit board provided by the embodiment of the present invention;

fig. 7 is a partially exploded view of a second connection assembly provided by an embodiment of the present invention;

fig. 8 is a partial schematic view of a third frame according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a fastener provided by an embodiment of the present invention.

The reference numbers illustrate:

1. a display screen;

100. a circuit board assembly; 11. a first circuit board; 111. a first side surface; 112. a second side surface; 113. a first perforation; 114. a first card hole; 115. a first slot; 12. a second circuit board; 121. a third side; 122. a fourth side; 123. a second perforation; 124. a second card hole; 125. a second slot; 13. a first lamp bead; 14. a second lamp bead; 15. a first connection assembly; 151. a first connecting member; 1511. a first cylindrical structure; 1512. a second cylindrical structure; 1513. a first connection hole; 152. a second connecting member; 1521. a third cylindrical structure; 1522. a fourth cylindrical structure; 1523. a second connection hole; 16. a second connection assembly; 161. a third connecting member; 1611. a third perforation; 1612. a first body; 1613. a first boss portion; 1614. a second boss portion; 1615. a third boss portion; 162. a fourth connecting member; 1621. a fourth perforation; 1622. a second body; 1623. a fourth boss; 1624. a fifth boss; 1625. a sixth boss; 163. a fastener; 164. a compression assembly; 1641. briquetting; 1642. a compression member; 1643. a bending section; 1644. a connecting portion; 1645. accommodating grooves;

200. an outer frame; 21. a fifth perforation; 22. a threaded hole; 23. a first frame; 24. a second frame; 25. a third frame; 26. a fourth frame; 27. a first bayonet; 28. and a second bayonet.

300. An L-shaped fixing piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-7, a display panel 1 provided in an embodiment of the present invention includes a circuit board assembly 100, a frame 200 for supporting the circuit board assembly 100, a power supply (not shown) disposed on the frame 200 and electrically connected to the circuit board assembly 100, a first screen (not shown) disposed on one side of the circuit board assembly 100, and a second screen (not shown) disposed on the other side of the circuit board assembly 100, the circuit board assembly 100 includes a plurality of first circuit boards 11, a plurality of second circuit boards 12, a plurality of rows of first lamp beads 13, a plurality of rows of second lamp beads 14, and first connecting assemblies 15, the first circuit boards 11 and the second circuit boards 12 are arranged at intervals in a vertical direction, the first circuit boards 11 are connected to the second circuit boards 12 through the first connecting assemblies 15, each first circuit board 11 includes a first side 111 perpendicular to the first screen and a second side 112 spaced apart from and opposite to the first side 111, each second circuit board 12 includes a third side 121 perpendicular to the first screen and a fourth side 122 spaced apart from and opposite to the third side 121, a plurality of rows of first beads 13 are disposed on the first side 111 and/or the second side 112, and a plurality of rows of second beads 14 are disposed on the third side 121 and/or the fourth side 122.

The utility model discloses display screen 1 is through adopting the luminous LED of side to paste the transform of dress mode on circuit board assembly 100, can easily realize the transform that the multiaspect was shown through the transform that adopts first lamp pearl 13 to paste dress mode on first circuit board 11 and second lamp pearl 14 to paste dress mode on second circuit board 12 promptly, has greatly improved circuit board assembly 100's utilization ratio, realizes the multiaspect and shows under the prerequisite that does not change product thickness.

In the embodiment of the present invention, the structure of the first circuit board 11 is the same as that of the second circuit board 12, the structure of the first lamp bead 13 is the same as that of the second lamp bead 14, the mounting manner of the first lamp bead 13 on the first circuit board 11 and the mounting manner of the second lamp bead 14 on the second circuit board 12 can be changed according to the application scenario, for example, only one row of first lamp beads 13 can be mounted only on the edge of the first side 111 and one row of second lamp beads 14 is mounted only on the edge of the third side 121 when displaying on the first screen, at this time, the first screen can realize single-sided display, and further, in order to improve the brightness of single-sided display, the display effect is better under a brighter environment, one row of first lamp beads 13 is mounted on the edge of the first side 111, and one row of second lamp beads 14 is mounted on the edge of the third side 121, one row of first lamp beads 13 is also mounted on the edge of the second side 112, a row of second beads 14 is also attached to the edge of the fourth side 122. For example, when the first screen and the second screen need to be displayed simultaneously, a row of first lamp beads 13 is mounted on an edge of one side of the first side 111, a row of first lamp beads 13 is also mounted on an edge of the other side of the first side 111, a row of second lamp beads 14 is mounted on an edge of one side of the third side 121, and a row of second lamp beads 14 is also mounted on an edge of the other side of the third side 121, in the same way, when the first screen and the second screen are displayed simultaneously and the first screen needs to increase brightness, a row of first lamp beads 13 may be added on an edge of the second side 112 close to the first screen, and a row of second lamp beads 14 is added on an edge of the fourth side 122 close to the first screen; when the first screen and the second screen are displayed simultaneously and the second screen needs to have increased brightness, a row of first light beads 13 can be added on the second side surface 112 near the edge of the second screen, a row of second lamp beads 14 is added on the fourth side 122 near the edge of the second screen, when the first screen and the second screen are displayed simultaneously and the brightness of the first screen and the second screen needs to be increased simultaneously, in other words, the multi-plane of the embodiment can reasonably set the mounting mode of the second lamp beads 14 of the first lamp beads 13 according to different scenes, therefore, more requirements are met, the application range is wide, and fig. 1 and fig. 2 only show that the first lamp beads 13 are mounted on both sides of the first circuit board 11, and the second lamp beads 14 are mounted on both sides of the second circuit board 12.

Referring to fig. 1-7, each first circuit board 11 has a first through hole 113, each second circuit board 12 has a second through hole 123, the first connection assembly 15 includes a first connection member 151 and a second connection member 152, the first connection member 151 includes a first cylindrical structure 1511 connected to the first circuit board 11 and a second cylindrical structure 1512 connected to the first cylindrical structure 1511, an outer diameter of the first cylindrical structure 1511 is larger than that of the second cylindrical structure 1512, a first connection hole 1513 is concavely disposed on a side of the first cylindrical structure 1511 away from the second cylindrical structure 1512 toward the second cylindrical structure 1512, a center line of the first connection hole 1513 and a center line of the second cylindrical structure 1512 are on the same vertical line, the second connection member 152 includes a third cylindrical structure 1521 connected to the second circuit board 12 and a fourth cylindrical structure 1522 connected to the third cylindrical structure 1521, an outer diameter of the third cylindrical structure 1521 is larger than that of the fourth cylindrical structure 1522, one side of the third cylindrical structure 1521 far away from the fourth cylindrical structure 1522 is concavely provided with a second connecting hole 1523 towards the fourth cylindrical structure 1522, the center line of the second connecting hole 1523 and the center line of the fourth cylindrical structure 1522 are on the same vertical line, when the first circuit board 11 and the second circuit board 12 are spliced, the second cylindrical structure 1512 passes through the first through hole 113 to be plugged in the second connecting hole 1523, the fourth cylindrical structure 1522 passes through the second through hole 123 to be plugged in the first connecting hole 1513, the first circuit board 11 and the second circuit board 12 can be detached singly, the disassembly and assembly are convenient, the later maintenance is convenient, and the distance between the first circuit board 11 and the second circuit board 12 is limited by the fit height of the first connecting piece 151 and the second connecting piece 152.

Specifically, the first connecting member 151 and the second connecting member 152 are formed by numerical control machining, and compared with the existing plastic buckle in the industry, the precision is good and the mold opening is not needed.

Further, first connecting piece 151 and the paster components and parts on first circuit board 11 pass through reflow soldering one-time forming, need not manual welding, have saved manpower and materials, and in the same way, second connecting piece 152 and the paster components and parts on second circuit board 12 pass through reflow soldering one-time forming, need not manual welding, have saved manpower and materials.

Referring to fig. 1-4, the circuit board assembly 100 further includes a second connecting assembly 16, in this embodiment, the first circuit board 11 is provided with N rows and two columns, the second circuit board 12 is provided with N rows and two columns, two adjacent columns of the first circuit boards 11 are arranged side by side and connected by the second connecting assembly 16, and two adjacent columns of the second circuit boards 12 are arranged side by side and connected by the second connecting assembly 16, it can be understood that the first circuit board 11 may also be provided with three, four or more columns, specifically, the second circuit board 12 is reasonably arranged according to actual requirements, and similarly, the second circuit board 12 corresponds to the first circuit board 11, and the second circuit board 12 may also be provided with three, four or more columns.

Referring to fig. 1-4 and 7, each first circuit board 11 further has a first fastening hole 114 and a first slot 115, each second circuit board 12 further has a second fastening hole 124 and a second slot 125, each second connecting assembly 16 includes a plurality of third connecting members 161, a plurality of fourth connecting members 162 alternately disposed with the third connecting members 161, and a supporting member (not shown) disposed through the plurality of third connecting members 161 and the plurality of fourth connecting members 162, each third connecting member 161 has a third through hole 1611, each third connecting member 161 includes a first body 1612, a first protruding portion 1613 protruding from one side of the first body 1612, and a second protruding portion 1614 and a third protruding portion 1615 both protruding from the other side of the first body 1612, the third through hole 1611 penetrates the first body 1612 and the third protruding portion 1615, the first protruding portion 1613 has two portions, and is respectively disposed at two sides of the first body 1612, the second protruding portion 1614 is provided with two second protruding portions 1614 respectively located at two sides of the first body 1612, the third protruding portion 1615 is provided between the two second protruding portions 1614, each fourth connecting member 162 is provided with a fourth through hole 1621 in a penetrating manner, each fourth connecting member 162 comprises a second body 1622, a fourth protruding portion 1623 protruding from one side of the second body 1622, a fifth protruding portion 1624 and a sixth protruding portion 1625 protruding from the other side of the second body 1622, the fourth through hole 1621 penetrates the second body 1622 and the sixth protruding portion 1625, the fourth protruding portions 1623 are provided with two first slots 115 respectively located at two sides of the second body 1622, the fifth protruding portions 1624 are provided with two fifth protruding portions respectively located at two sides of the second body 1622, the sixth protruding portions 1625 are provided between the two fourth protruding portions 1623, when two rows of first circuit boards 11 are spliced, the two rows of first slots 115 of the first circuit boards 11 are opposite to each other, and form a first slot groove for clamping fit with the sixth protruding portions 1625, when two rows of second circuit boards 12 are spliced, the notches of the second slots 125 of the two rows of second circuit boards 12 are opposite, the two rows of second circuit boards 12 enclose to form a second card slot for clamping and matching with the third boss 1615, because the first circuit boards 11 and the second circuit boards 12 are arranged in a staggered manner, a third connector 161 is assembled between one row of first circuit boards 11 and one row of second circuit boards 12, a fourth connector 162 is assembled between one row of second circuit boards 12 and one row of first circuit boards 11, the first boss 1613 faces the first circuit board 11, the fourth boss 1623 faces the second circuit board 12, therefore, two sides of the first body 1612 are respectively attached to the second side surface 112 and the third side surface 121, the first boss 1613 is inserted in a part of the first card hole 114 facing the first boss 1613, the second boss 1614 is inserted in a part of the second card hole 161124 facing the second boss 1614, and the third boss 1615 is inserted in the second card slot, the fourth side surface 122 and the first side surface 111 are respectively attached to two sides of the second body 1622, the fourth protruding portion 1623 is inserted into the portion, facing the fourth protruding portion 1623, of the second card hole 124, the fifth protruding portion 1624 is inserted into the portion, facing the fifth protruding portion 1624, of the first card hole 114, and the sixth protruding portion 1625 is inserted into the second card slot, that is, the second protruding portion 1614 and the fourth protruding portion 1623 are inserted into the second card hole 124, and the fifth protruding portion 1624 and the first protruding portion 1613 are inserted into the first card hole 114.

Referring to fig. 1-4 and 7-8, the second connecting assembly 16 further includes a fastener 163 disposed at one end of the outer frame 200 for fixing the supporting member, and one end of the supporting member extending toward the fastener 163 is wound around the fastener 163.

Referring to fig. 1-4, the second connecting assembly 16 further includes a pressing assembly 164 disposed at an end of the outer frame 200 (i.e., the second frame 24) away from the fastening member 163, the pressing assembly 164 includes a pressing block 1641 and a pressing member 1642 for pressing the pressing block 1641 onto the outer frame 200, the pressing block 1641 includes a bending portion 1643 bending toward the outer frame 200 and a connecting portion 1644 connected to two sides of the bending portion 1643, the bending portion 1643 and the outer frame 200 enclose a receiving groove 1645 for receiving the supporting member, the outer frame 200 has a fifth through hole 21 corresponding to the receiving groove 1645, the outer frame 200 has a threaded hole 22 corresponding to the pressing member 1642, the pressing member 1642 is in threaded engagement with the threaded hole 22, and an end of the supporting member away from the fastening member 163 passes through the receiving groove 1645 and the fifth through hole 21 and.

Referring to fig. 1 to 9, the outer frame 200 includes a first frame 23 parallel to the first circuit board 11, a second frame 24 spaced from the first frame 23, a third frame 25 connecting one end of the first frame 23 and one end of the second frame 24, and a fourth frame 26 connecting the other end of the first frame 23 and the other end of the second frame 24, where the third frame 25 and the fourth frame 26 are respectively provided with a first bayonet 27 for clamping a plurality of first circuit boards 11 and a second bayonet 28 for clamping a plurality of second circuit boards 12, in this embodiment, one end of a row of first circuit boards 11 close to the third frame 25 is clamped to the first bayonet 27 of the third frame 25, one end of another row of first circuit boards 11 close to the fourth frame 26 is clamped to the first bayonet 27 on the fourth frame 26, and one end of a row of second circuit boards 12 close to the third frame 25 is clamped to the second bayonet 28 of the third frame 25, the end of the second circuit board 12 close to the fourth frame 26 in the other row is clamped to the second bayonet 28 on the fourth frame 26, the first circuit board 11, the second circuit board 12 and the outer frame 200 are simply and reliably mounted, the dismounting is convenient, and the power supply is arranged on any one or two of the first frame 23, the second frame 24, the third frame 25 and the fourth frame 26.

Referring to fig. 1-4, the display screen 1 further includes three L-shaped fixing members 300 disposed on the second frame 24, in this embodiment, the circuit board near the second frame 24 is the second circuit board 12, the L-shaped fixing members 300 are in contact with the second circuit board 12 for supporting the circuit board assembly 100, one L-shaped fixing member 300 is disposed between the second connecting assembly 16 and the second frame 24, and the other two L-shaped fixing members 300 are respectively disposed between the first connecting assembly 15 and the second frame 24 of the two rows of circuit board assemblies 100, so as to prevent the circuit board assembly 100 from being suspended and provide a supporting force for the circuit board assembly 100.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A display screen is characterized by comprising a circuit board assembly, an outer frame used for supporting the circuit board assembly, a power supply arranged on the outer frame and electrically connected with the circuit board assembly, a first screen arranged on one side of the circuit board assembly and a second screen arranged on the other side of the circuit board assembly, wherein the circuit board assembly comprises a plurality of first circuit boards, a plurality of second circuit boards, a plurality of rows of first lamp beads, a plurality of rows of second lamp beads and a first connecting assembly, the first circuit boards and the second circuit boards are arranged in a staggered and spaced mode in the vertical direction, the first circuit boards are connected with the second circuit boards through the first connecting assembly, each first circuit board comprises a first side face perpendicular to the first screen and a second side face arranged in a spaced and opposite mode with the first side face, and each second circuit board comprises a third side face perpendicular to the first screen and a second side face spaced and opposite to the third side face The lamp holder is characterized by comprising a fourth side surface, wherein the fourth side surface is arranged on the back, the first lamp beads in the rows are arranged on the first side surface and/or the second side surface, and the second lamp beads in the rows are arranged on the third side surface and/or the fourth side surface.

2. The display screen of claim 1, wherein the first light beads are provided with one row at the first side, the first light beads are provided with one or two rows at the second side, the second light beads are provided with one row at the third side, and the second light beads are provided with one or two rows at the fourth side.

3. The display screen of claim 1, wherein the first beads are arranged in two rows on the first side, the first beads are arranged in one or two rows on the second side, the second beads are arranged in two rows on the third side, and the second beads are arranged in one or two rows on the fourth side.

4. The display screen of claim 1, wherein each of the first circuit boards has a first through hole, each of the second circuit boards has a second through hole, the first connection assembly comprises a first connection member and a second connection member, the first connection member comprises a first cylindrical structure connected to the first circuit board and a second cylindrical structure connected to the first cylindrical structure, the first cylindrical structure has an outer diameter larger than that of the second cylindrical structure, a first connection hole is concavely provided on a side of the first cylindrical structure away from the second cylindrical structure toward the second cylindrical structure, a center line of the first connection hole and a center line of the second cylindrical structure are on a same vertical line, the second connection member comprises a third cylindrical structure connected to the second circuit board and a fourth cylindrical structure connected to the third cylindrical structure, the outer diameter of the third cylindrical structure is larger than that of the fourth cylindrical structure, a second connecting hole is concavely formed in one side, far away from the fourth cylindrical structure, of the third cylindrical structure and faces the fourth cylindrical structure, the center line of the second connecting hole and the center line of the fourth cylindrical structure are on the same vertical line, the second cylindrical structure penetrates through the first through hole and is connected with the second connecting hole in an inserting mode, and the fourth cylindrical structure penetrates through the second through hole and is connected with the first connecting hole in an inserting mode.

5. The display screen of claim 1, wherein the circuit board assembly further comprises a second connecting assembly, the first circuit board is provided with a plurality of columns, two adjacent columns of the first circuit board are arranged side by side and connected through the second connecting assembly, the second circuit board is provided with a plurality of columns, and two adjacent columns of the second circuit board are arranged side by side and connected through the second connecting assembly.

6. The display screen of claim 5, wherein each first circuit board further has a first fastening hole and a first slot, each second circuit board further has a second fastening hole and a second slot, the second connecting assembly comprises a plurality of third connecting members, a plurality of fourth connecting members staggered with the third connecting members, and a supporting member passing through the plurality of third connecting members and the plurality of fourth connecting members, each third connecting member has a third through hole, each third connecting member comprises a first body, a first protruding portion protruding from one side of the first body, and a second protruding portion and a third protruding portion protruding from the other side of the first body, the third through hole passes through the first body and the third protruding portions, the first protruding portions are two in number and are respectively located at two sides of the first body to be inserted into the first fastening holes of two adjacent columns of the first circuit boards The second convex parts are provided with two second clamping holes which are respectively positioned at two sides of the first body and are inserted into two adjacent columns of the second circuit boards, the third convex parts are arranged between the two second convex parts and are inserted into two second grooves of the two adjacent columns of the second circuit boards, each fourth connecting part is provided with a fourth through hole in a penetrating way, each fourth connecting part comprises a second body, a fourth convex part protruding from one side of the second body, and a fifth convex part and a sixth convex part both protruding from the other side of the second body, the fourth through hole penetrates through the second body and the sixth convex part, the fourth convex parts are provided with two second clamping holes which are respectively positioned at two sides of the second body and are inserted into two adjacent columns of the second circuit boards, the fifth convex parts are provided with two first clamping holes which are respectively positioned at two sides of the second body and are inserted into two adjacent columns of the first circuit boards, the sixth bulge is arranged between the two fourth bulges and is inserted in two adjacent first grooves of the first circuit boards, the first groove openings of the two first circuit boards are opposite, the sixth bulge and the fourth bulge form a first clamping groove used for being clamped and matched with the sixth bulge, when the two second circuit boards are spliced, the second groove openings of the two second circuit boards are opposite, the sixth bulge and the fourth bulge form a second clamping groove used for being clamped and matched with the third bulge, one end of the support piece is fixed on one side of the outer frame, and the other end of the support piece penetrates through the second clamping groove, the fourth perforation, the first clamping groove and the third perforation and is fixed on the other side of the outer frame.

7. The display screen of claim 6, wherein the supporting member is a steel wire rope, the second connecting assembly further comprises a fastener arranged at one end of the outer frame for fixing the supporting member, and one end of the supporting member extending towards the fastener is wound around the fastener.

8. The display screen of claim 7, wherein the second connecting assembly further includes a pressing assembly disposed at an end of the outer frame away from the fastening member, the pressing assembly includes a pressing block and a pressing member for pressing the pressing block against the outer frame, the pressing block includes a curved portion curved toward the outer frame and connecting portions connected to two sides of the curved portion, the curved portion and the outer frame enclose to form a receiving groove for receiving the supporting member, the outer frame has a fifth through hole corresponding to the receiving groove, the outer frame has a threaded hole corresponding to the pressing member, the pressing member is in threaded engagement with the threaded hole, and an end of the supporting member away from the fastening member passes through the receiving groove and the fifth through hole and is fixed to the outer frame.

9. The display screen of claim 1, wherein the outer frame comprises a first frame arranged in parallel with the first circuit board, a second frame arranged at an interval with the first frame, a third frame connected with one end of the first frame and one end of the second frame, and a fourth frame connected with the other end of the first frame and the other end of the second frame, wherein the third frame and the fourth frame are respectively provided with a first bayonet used for clamping the plurality of first circuit boards and a second bayonet used for clamping the plurality of second circuit boards, and the power supply is arranged on any one or two of the first frame, the second frame, the third frame and the fourth frame.

10. The display screen of claim 1, wherein the display screen further comprises a plurality of L-shaped fixing members disposed on the outer frame, and the circuit board assembly is supported on the outer frame by the plurality of L-shaped fixing members.