CN218568329U

CN218568329U - Arc LED display screen adjusting device and arc LED display screen thereof

Info

Publication number: CN218568329U
Application number: CN202220936923.8U
Authority: CN
Inventors: 姜婷婷
Original assignee: Beijing Glux Creative Technology Co Ltd
Current assignee: Leyard Beijing Performing Arts Culture Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2023-03-03
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to the field of LED display screens, in particular to an arc-shaped LED display screen adjusting device and an arc-shaped LED display screen thereof; the LED display screen back plate is provided with a radian adjusting mechanism for adjusting the radian of the LED display screen and also comprises a stabilizing mechanism arranged in the LED display screen back plate; the radian adjusting mechanism further comprises a fixed plate connected with one end of each of the two telescopic pull rods, and the two telescopic pull rods move synchronously along a first direction to drive the LED display screen to change the radian; the utility model discloses a set up radian adjustment mechanism and realize adjusting the radian of LED display screen, radian adjustment mechanism realizes the regulation to the LED display screen radian through setting up of flexible pull rod, simple structure and can realize the regulation of radian adaptability according to user's concrete needs.

Description

Arc LED display screen adjusting device and arc LED display screen thereof

Technical Field

The utility model relates to a LED display screen field involves an arc LED display screen adjusting device and arc LED display screen thereof.

Background

The LED arc-shaped electronic display screen has the characteristics of thinness, light weight, high pixel density, flexible display plane, low installation cost and the like, can meet the requirements of various radians, and provides various screen sizes and definition; furthermore, color arrangement in which characteristics (contrast, color unevenness, color mixing properties, etc.) are important can be designed for different applications. In the technical aspect, as the screen is dynamically scanned and refreshed, fewer light-emitting devices are used, the service life is prolonged, and the cost is greatly reduced.

In the prior art, the flexible screen is usually fixed on a support body which is arranged in a bending way, and then the flexible screen is fixed, so that the arc screen is formed.

By adopting the scheme, during installation, a worker needs to attach the flexible screen to the support body which is arranged in a bending mode, and then fixes the flexible screen by means of the fixing piece, so that the cambered screen is formed. Therefore, the same type of flat panel is used for manufacturing displays with different curved surfaces, or if the curvature radius of the curved surface display needs to be changed, the supporting back plates with different curvatures need to be replaced, the manufacturing cost is increased, and only one curved screen with a curved radian can be produced on one supporting body, so that the applicability is poor, and the part to be improved exists.

SUMMERY OF THE UTILITY MODEL

The utility model provides an arc LED display screen adjusting device through providing a device to the radian regulation of LED display screen, has realized that the arc LED display screen carries out the effect that the radian was adjusted based on specific in service behavior, has solved among the prior art unable technical problem of realizing to LED display screen movable adjustment.

The utility model discloses a realize like this:

in a first aspect, the present embodiment provides an arc LED display screen adjusting device, configured to adjust a curvature of an arc LED display screen, including an LED display screen back plate; the LED display screen back plate is provided with a radian adjusting mechanism for adjusting the radian of the LED display screen and also comprises a stabilizing mechanism arranged in the LED display screen back plate; the radian adjusting mechanism comprises at least one group of telescopic pull rods, the telescopic pull rods are symmetrically arranged on two opposite side surfaces of the LED display screen back plate by taking the central point of the LED display screen back plate as a center, and the group of telescopic pull rods comprises at least two telescopic pull rods; the radian adjusting mechanism further comprises a fixed plate connected with one end of each of the two telescopic pull rods, and the two telescopic pull rods move synchronously along a first direction to drive the LED display screen to change the radian; the stabilizing mechanism comprises a vacancy part arranged at the center of the LED display screen back plate, and a stabilizing spring is arranged in the vacancy part.

Based on the first aspect, a first implementation manner is provided, and the end face of the vacancy portion is provided with a sealing cover, and the sealing cover is connected with the fixing plate through a supporting column.

Based on first implementation, provide a second implementation, a set of flexible pull rod includes four flexible pull rods, flexible pull rod divide into two sets ofly to use LED display screen backplate central point to set up as central symmetry the relative both sides face of LED display screen backplate, each group the quantity of flexible pull rod is 2.

Based on the second implementation mode, a third implementation mode is provided, and the telescopic pull rods arranged on the same side are symmetrically arranged by taking the central position of the side face of the back plate of the LED display screen as the center.

Based on the third implementation mode, a fourth implementation mode is provided, a support plate is arranged between the telescopic pull rod and the LED display screen back plate, and one end of the telescopic pull rod is fixedly connected with the support plate.

Based on the first aspect, the second implementation manner, the third implementation manner or the fourth implementation manner, a fifth implementation manner is provided, wherein the telescopic pull rod comprises a fixed pipe and a telescopic rod sleeved in the fixed pipe, one end of the fixed pipe is connected with the fixed plate, and one end of the telescopic rod is fixedly connected with the support plate; the fixed pipe is connected with the telescopic rod through a fixed connecting piece, and the fixed connecting piece is used for fixing the relative positions of the fixed pipe and the telescopic rod.

Based on the fifth implementation, a sixth implementation is provided, the fixed connection piece includes that the sleeve pipe presses the cover with the pretension that is used for fixed telescopic link, the sleeve pipe cover establish at the one end tip that fixed pipe is close to the telescopic link, the one end that the sleeve pipe is close to the telescopic link is provided with the radial holding tank that presses the cover, the pretension is located according to the cover holding tank according to the cover, the one end that the telescopic link is close to fixed pipe runs through the pretension and presses cover and sleeve pipe.

Based on the sixth implementation, a seventh implementation is provided, a positioning column is arranged at the bottom of the accommodating groove, the positioning column is located in the radial direction of the sleeve, a pre-tightening spring is sleeved on the positioning column, a spring accommodating hole corresponding to the position of the positioning column is formed in the pre-tightening groove, and the pre-tightening spring is located in the spring accommodating hole.

Based on the first aspect, an eighth implementation manner is provided, wherein the stabilizing spring is arranged along the bending direction of the LED display screen, and the stabilizing spring is connected with the fixing hole of the hollow portion.

In a second aspect, an LED display screen is provided, which comprises any one of the arc-shaped LED display screen adjusting device, and further comprises an LED display screen connected with the arc-shaped LED display screen back plate, wherein the LED display screen comprises a PCB circuit board provided with a plurality of LED luminous bodies.

The beneficial effect of above-mentioned scheme:

the utility model provides an arc LED display screen adjusting device and arc LED display screen thereof, realize the radian regulation to the LED display screen through setting up radian adjustment mechanism, the radian adjustment mechanism realizes the regulation to the LED display screen radian through the setting of flexible pull rod, simple structure and can realize the regulation of radian adaptability according to the concrete needs of user; in addition, in order to protect the LED display screen, the stable bending state of the LED display screen is realized under the condition that the radian adjusting mechanism is out of order by arranging the stabilizing mechanism, and the damage of the LED display screen caused by the failure of the radian adjusting mechanism is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an LED display screen provided by the utility model;

fig. 2 is a schematic structural view of an arc adjustment mechanism of an LED display screen provided by the utility model;

fig. 3 is a schematic view of the telescopic rod structure provided by the utility model;

fig. 4 is a schematic structural view of the stabilizing mechanism provided by the utility model.

An icon:

100-LED display screen;

110-screen body; 120-LED display screen backplane; 130-radian adjustment mechanism; 140-a stabilizing mechanism;

111-a luminophore; 121-a support plate; 122-an empty part; 131-a telescopic pull rod; 132-a fixing plate; 133-support column; 141-a stabilizing spring; 1311-fixed pipe; 1312-a telescopic rod; 1313-a cannula; 1314-pre-tightening and pressing the sleeve; 1315-accommodating grooves in a sleeve; 1316-locating posts; 1317-pre-tensioned spring.

Detailed Description

It should be understood that the exemplary embodiments described herein should be considered in descriptive sense only and not for purposes of limitation. Descriptions of features or aspects within each exemplary embodiment should generally be considered as available for similar features or aspects in other exemplary embodiments.

The foregoing description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the written meaning, but are used only by the inventors to allow a clear and consistent understanding of the invention. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.

Throughout the description and claims of this specification, the words "comprise" and "contain" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other components, integers or steps.

Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.

It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. In the present application, the expression "or" encompasses any and all combinations of the words listed together. For example, "a or B" may comprise a or B, or may comprise both a and B.

Although various elements of the present invention may be described using expressions such as "first" and "second," they are not intended to limit the corresponding elements. For example, the above description is not intended to limit the order or importance of the corresponding elements. The above description may be used to distinguish one element from another. For example, the 1 st pixel unit and the 2 nd pixel unit are both pixel units and represent different pixel units. For example, the 1 st pixel cell may be referred to as the 2 nd pixel cell, and similarly, the 2 nd pixel cell may be referred to as the 1 st pixel cell, without departing from the scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Following is directed against the utility model discloses the LED display screen that the embodiment provided specifically explains:

referring to fig. 1, the present embodiment provides an LED display screen 100, which includes an arc LED display screen and an arc LED display screen backboard, in the present embodiment, the arc LED display screen is connected to the arc LED display screen backboard, and the arc LED display screen backboard is used for fixing and supporting the arc LED display screen. In this embodiment, the arc LED display screen includes a PCB circuit board mounted with a plurality of LED luminaries, wherein the PCB circuit board is provided with a plurality of LED luminaries 111, and each LED luminary 111 forms an LED pixel unit. The LED emitter 111 may be in the form of a packaged LED chip, an unpackaged LED bare chip, an unintegrated LED chip, or any other form of LED emitter. The plurality of LED emitters 111 form an array structure.

The LED display panel 100 is shown in fig. 1 as an array of LED pixel cells, but this is merely exemplary, and in alternative embodiments, the arrangement of the array of pixel cells of the LED panel body may be selected according to the specific application. In other embodiments, the screen body 110 may be not limited to the shape shown in fig. 1, but may alternatively be provided in a rectangular, circular, oval, or other patterned shape.

The technical problem that in the prior art, if the same flat display panel is used for manufacturing displays with different curved surfaces, or the curvature radius of a curved display is changed, back plates with different curvatures need to be replaced, and the manufacturing cost of manufacturing design is increased is solved. In this embodiment, an arc adjusting mechanism is arranged on the arc-shaped LED display screen back plate, so as to adjust the radian of the arc-shaped LED display screen. Therefore, the same arc-shaped LED display screen back plate and the same arc-shaped LED display screen can be used for manufacturing LED display screens with different curvature radiuses or arc-shaped LED display screens with variable curvatures, and the manufacturing cost of products is reduced.

As shown in fig. 2 to 4, the radian adjusting mechanism 130 in this embodiment includes at least one set of telescopic pull rods 131, which are disposed on two opposite sides of the LED display screen back plate with the central point of the LED display screen back plate as a symmetric center. Because the LED display screen is the rectangle, generally to the change of LED display screen radian be to the change of short side, then telescopic pull rod 131 sets up and is the symmetric design with the central point of LED display screen backplate in the short side, realizes the crookedness to LED display screen short side to the change to the curved camber of LED display screen is realized.

In this embodiment, a set of flexible pull rod includes two independent flexible pull rods, and the one end and the LED display screen backplate of flexible pull rod are connected fixedly, and the other end is connected with fixed plate 132, and in order to guarantee the synchronous bending processing of flexible pull rod 131 to the LED display screen, then the central point that sets up to being located the LED display screen backplate of fixed plate 132 puts, can guarantee like this that the tensile degree of two flexible pull rods 131 is synchronous unanimous.

In order to ensure the bending, a certain included angle is formed between the telescopic pull rod 131 and the LED display screen back plate, a certain height is formed between the fixing plate 132 and the LED display screen back plate, and in order to ensure the fixing of the fixing plate 132, a fixing column is arranged between the fixing plate 132 and the LED display screen back plate, so that the positions of the fixing plate 132 and the LED display screen back plate are kept unchanged, and the change of the bending degree of the LED display screen is driven along with the telescopic movement of the telescopic pull rod 131. That is, the LED display screen is driven to curl outwards by the inward movement of the telescopic rod 131, and the LED display screen is driven to curl outwards by the outward movement of the telescopic rod 131, so as to change the curvature of the LED display screen.

In other embodiments, in order to ensure the tensile strength of the telescopic pull rods 131, the number of the telescopic pull rods 131 may be increased, and a group of telescopic pull rods 131 includes four independent telescopic pull rods 131, two of the telescopic pull rods 131 are disposed on the same side, and the telescopic pull rods 131 disposed on the same side are disposed symmetrically with respect to the center of the same side, so as to ensure the consistency of the tensile strength of the telescopic pull rods 131.

In this embodiment, in order to maintain the degree of bending, the telescopic rod 131 not only has the effect of stretching, but also maintains the degree of bending when the LED display screen is bent at the telescopic position.

Specifically, the telescopic rod 131 in this embodiment includes a fixed pipe 1311 and a telescopic pipe sleeved in the fixed pipe 1311, wherein one end of the fixed pipe 1311 is connected to the fixed plate 132, one end of the telescopic rod 1312 is connected to the LED display screen back plate, wherein the fixed pipe 1311 is connected to the telescopic pipe through a fixed connection member, and the fixed connection member is used to fix and maintain the relative positions of the fixed pipe 1311 and the telescopic rod 1312, so as to maintain the degree of bending. When the radian of the LED display screen is adjusted for construction and a user, the telescopic rod 1312 is simultaneously subjected to telescopic treatment, and the telescopic position of the telescopic rod 1312 is kept through the fixed connecting piece, so that the radian of the LED display screen is kept and fixed.

In this embodiment, in order to ensure the stability of the LED display panel back plate structure, a supporting plate 121 is disposed at the connecting position of the telescopic rod 1312 and the LED display panel back plate for connection.

In this embodiment, the fixing connector includes a sleeve 1313 and a pre-tightening sleeve 1314 for fixing the telescopic rod 1312, the sleeve 1313 is sleeved on an end portion of the fixing tube 1311 close to the telescopic rod 1312, a radial sleeve accommodating groove 1315 is disposed at an end of the sleeve 1313 close to the telescopic rod 1312, the pre-tightening sleeve 1314 is disposed in the sleeve accommodating groove 1315, and an end of the telescopic rod 1312 close to the fixing tube 1311 penetrates through the pre-tightening sleeve 1314 and the sleeve 1313.

A positioning column 1316 is arranged at the groove bottom of the press sleeve accommodating groove 1315, the positioning column 1316 is positioned in the radial direction of the sleeve 1313, a pre-tightening spring 1317 is sleeved on the positioning column 1316, a spring accommodating hole corresponding to the positioning column 1316 is formed in the pre-tightening press sleeve 1314, and the pre-tightening spring 1317 is positioned in the spring accommodating hole.

The radian of the LED display screen is changed through the structure, and the radian of the LED display screen is kept in the corresponding radian.

In order to ensure structural stability, in the event of a failure of the arc adjustment mechanism 130, damage to the LED display screen structure may occur due to a sudden change in curvature caused by the sudden failure. In the present embodiment, reduction of damage to such a case is achieved by providing the stabilizing mechanism 140. In this embodiment, the stabilizing mechanism 140 is disposed at the center of the back plate of the LED display screen, a semi-enclosed space is disposed at the center of the back plate of the LED display screen, the stabilizing mechanism 140 is disposed in the gap 122 for the gap 122, the stabilizing mechanism 140 includes a stabilizing spring 141, the stabilizing spring 141 is disposed along the bending direction of the LED display screen, and is connected to the fixing hole disposed in the gap 122.

The stabilizing spring 141 has a certain bending strength, and different bending springs have different bending strengths, and the stabilizing spring 141 in this embodiment is curved and replaceable. When the telescopic spring 141 is used, the curvature of the LED display screen needs to be adjusted, the expansion and contraction degree of the telescopic pull rod 131 is adjusted through the achieved curvature, and the corresponding stabilizing spring 141 is determined according to the achieved curvature. In the embodiment, in order to ensure that the LED display screen bending degree is maintained by the stabilizing spring 141 and the LED display screen structure is not damaged when the telescopic pull rod 131 is damaged, the bending strength of the stabilizing spring 141 is equal to or less than the LED display screen bending strength, so that the damage to the LED display screen structure caused by the sudden change of the bending degree when the telescopic pull rod 131 is damaged is reduced.

In this embodiment, a sealing cover is disposed at an upper end of the hollow portion 122, and the sealing cover is connected to the fixing plate 132 through a supporting column 133.

In the embodiment, the curvature of the LED display screen is changed and maintained by arranging the radian adjusting structure and the stabilizing mechanism 140.

In the present embodiment, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. In the embodiment, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An arc-shaped LED display screen adjusting device is used for adjusting the bending radian of an arc-shaped LED display screen and comprises an LED display screen back plate; the LED display screen is characterized in that the LED display screen back plate is provided with a radian adjusting mechanism for adjusting the radian of the LED display screen and a stabilizing mechanism arranged in the LED display screen back plate; the radian adjusting mechanism comprises at least one group of telescopic pull rods, the telescopic pull rods are symmetrically arranged on two opposite side surfaces of the LED display screen back plate by taking the central point of the LED display screen back plate as a center, and the group of telescopic pull rods comprises at least two telescopic pull rods; the radian adjusting mechanism further comprises a fixed plate connected with one end of each of the two telescopic pull rods, and the two telescopic pull rods move synchronously along a first direction to drive the LED display screen to change the radian; the stabilizing mechanism comprises a vacancy part arranged at the center of the LED display screen back plate, and a stabilizing spring is arranged in the vacancy part.

2. The arc-shaped LED display screen adjusting device as claimed in claim 1, wherein a sealing cover is disposed on an end surface of the vacant part, and the sealing cover is connected with the fixing plate through a supporting column.

3. The arc-shaped LED display screen adjusting device according to claim 1, wherein the group of telescopic pull rods comprises four telescopic pull rods, the telescopic pull rods are divided into two groups and symmetrically arranged on two opposite side surfaces of the LED display screen backboard by taking a central point of the LED display screen backboard as a center, and the number of each group of telescopic pull rods is 2.

4. The arc-shaped LED display screen adjusting device according to claim 3, wherein the telescopic pull rods arranged on the same side are symmetrically arranged by taking the center position of the side surface of the back plate of the LED display screen as the center.

5. The arc-shaped LED display screen adjusting device according to claim 4, wherein a supporting plate is arranged between the telescopic pull rod and the LED display screen back plate, and one end of the telescopic pull rod is fixedly connected with the supporting plate.

6. The arc-shaped LED display screen adjusting device according to claim 5, wherein the telescopic pull rod comprises a fixed tube and a telescopic rod sleeved in the fixed tube, one end of the fixed tube is connected with the fixed plate, and one end of the telescopic rod is fixedly connected with the supporting plate; the fixed pipe is connected with the telescopic rod through a fixed connecting piece, and the fixed connecting piece is used for fixing the relative positions of the fixed pipe and the telescopic rod.

7. The arc-shaped LED display screen adjusting device as claimed in claim 6, wherein the fixed connecting part comprises a sleeve and a pre-tightening pressing sleeve for fixing the telescopic rod, the sleeve is sleeved at the end part of the fixed pipe close to the telescopic rod, a radial pressing sleeve accommodating groove is formed at one end of the sleeve close to the telescopic rod, the pre-tightening pressing sleeve is positioned in the pressing sleeve accommodating groove, and one end of the telescopic rod close to the fixed pipe penetrates through the pre-tightening pressing sleeve and the sleeve.

8. The arc-shaped LED display screen adjusting device as claimed in claim 7, wherein a positioning column is arranged at a groove bottom of the pressing sleeve accommodating groove, the positioning column is located in a radial direction of the sleeve, a pre-tightening spring is sleeved on the positioning column, a spring accommodating hole corresponding to the positioning column is formed in the pre-tightening pressing sleeve, and the pre-tightening spring is located in the spring accommodating hole.

9. The arc-shaped LED display screen adjusting device as claimed in claim 1, wherein the stabilizing spring is disposed along a bending direction of the LED display screen, and the stabilizing spring is connected to a fixing hole disposed at the hollow portion.

10. An arc-shaped LED display screen is characterized by comprising the arc-shaped LED display screen adjusting device of any one of claims 1 to-9 and further comprising an LED display screen connected with the arc-shaped LED display screen back plate, wherein the LED display screen comprises a PCB circuit board provided with a plurality of LED luminous bodies.