CN110807998A - A high transmittance LED display - Google Patents

Abstract

The invention discloses a high light-transmitting LED display screen, comprising: a plurality of fixing boards, a circuit board arranged on one side of the fixing board, a plurality of LED lamp beads arranged on the circuit board, and a power supply; The fixing boards are arranged at intervals in sequence, so that the LED lamp beads located on the plurality of fixing boards form a plane or a curved surface; the circuit boards are laterally mounted on the fixing boards. A plurality of fixed boards are arranged in parallel and at intervals, and the circuit boards with side-emitting LED lamp beads are used at intervals, and the circuit boards are installed sideways, which is equivalent to each circuit board only occupies the screen space of its thickness. Therefore, compared with the existing ones Transparent LED display, its light transmittance is greatly improved. On the other hand, compared with the existing transparent LED display screen, the display screen of the present invention has no glass panel and various frame structures arranged in the screen, so the light transmittance is greatly improved.

Description

A high transmittance LED display

technical field

The invention relates to the technical field of LED display screens, more particularly to a high light transmittance LED display screen.

Background technique

Transparent LED displays are more and more widely used because of their advantages of lightness, transparency and high brightness, and are used in various occasions, such as:

(1) Shopping malls, banks, airports, hotels, automobile 4S stores, building glass curtain walls: This kind of display screen is generally fixed installation, which requires firm installation, and some require hoisting.

(2) Various window advertisements in brand chain stores and stores: they are often used as electronic posters, and generally require high definition and lightness.

(3) Places such as stage art and celebrations: mainly because there are too many leases, and the installation is required to be fast and convenient.

(4) Advertising display of high-end luxury goods: directly install and use instead of glass, ensure high-definition resolution without affecting the transparency effect, and provide certain protection functions.

At present, the LED display used for the above-mentioned purposes generally adopts a transparent LED display. Generally, the above-mentioned display screen is provided with an outer frame, a PCB board mounted on the outer frame, a glass panel is arranged above the PCB board, and a frame is vertically arranged in the middle of the display screen, which supports the display screen on the one hand and serves as a power supply slot on the other hand. The PCB is welded with LED lights in rows, and the PCB board between the two rows of LED lights is hollowed out, and the hollowed-out structure is mainly for light transmission. Due to multiple occlusions such as the entire glass panel, the hollow PCB board with LED lights, and the power supply slots arranged at longitudinal intervals, the light transmittance of the transparent LED display is not high, and it cannot meet the application scenarios with high light transmittance requirements, such as 4S shop.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a high light transmittance LED display screen.

To achieve the above object, the present invention adopts the following technical solutions:

A high light-transmitting LED display screen, comprising: a plurality of fixing plates, a circuit board arranged on one side of the fixing plate, a plurality of LED lamp beads arranged on the circuit board, and a power supply; a plurality of the fixing plates are sequentially spaced It is arranged so that the LED lamp beads located on several fixing boards form a plane or a curved surface; the circuit board is laterally mounted on the fixing board.

Its further technical scheme is as follows: a power supply box is further included; one or both ends of the fixing plate are fixedly connected to the power supply box; the fixing plate is fixedly connected to the power supply box through a first fixing member provided thereon.

Its further technical scheme is: the fixing plate is provided with a clamping groove for fixing the circuit board; the circuit board is laterally installed in the clamping groove.

A further technical solution is that: an end of the fixing plate close to the power supply box is provided with a fixing structure matched with the first fixing member, so that the fixing plate is fixed to the power supply box.

Its further technical scheme is: the fixing plate is provided with a groove, and the groove is provided with a locking protrusion; the groove and the locking protrusion form the fixing structure; the first fixing member is provided with Card slots matching the grooves, and through holes matching the card position protrusions.

Its further technical scheme is as follows: the side of the fixing plate away from the lamp bead is provided with a first limit slot; the power box is provided with a beam matching the first limit slot; the first limit slot is clamped to the inside the beam to prevent axial movement of the fixed plate.

A further technical solution is that: a side of the power box close to the beam is provided with a second limiting slot for fixing the plate; the fixing plate is clamped in the second limiting slot to prevent the fixing plate from moving laterally.

Its further technical scheme is as follows: it further comprises a positioning plate; the positioning plate is provided with a plurality of positioning slots for fixing the fixing plate; the positioning plate and the power supply box have a certain distance.

A further technical solution is that: the inner wall of the clamping groove is provided with a clamping protrusion to prevent the fixing plate from sliding out; the side of the fixing plate is provided with a clamping groove fixed with the clamping protrusion.

Its further technical scheme is as follows: it further includes a HUB board and a sending card; the power supply, the HUB board and the sending card are arranged in the power supply box.

Compared with the prior art, the present invention has the following beneficial effects: a plurality of fixed boards are arranged in parallel and spaced apart, and a circuit board with side-emitting LED lamp beads is used which is arranged at intervals, and the circuit board is installed sideways, which is equivalent to each circuit board. Only occupy the screen space of its thickness, therefore, compared with the existing transparent LED display, its light transmittance is greatly improved. On the other hand, compared with the existing transparent LED display screen, the display screen of the present invention has no glass panel and various frame structures arranged in the screen, so the light transmittance is greatly improved.

The design of multiple structures such as the clamping groove on the fixing plate, the fixing structure, the first fixing member, the clamping member, etc. on the fixing plate of the present invention further improves the verticality of the vertical installation of the strip-shaped circuit board, so that it does not sway and the fixing plate is not skewed. , the spacing is fixed, so that the display effect is better.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented in accordance with the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following A preferred embodiment is given, and the detailed description is as follows.

Description of drawings

FIG. 1 is a three-dimensional structural view of a high-light-transmitting LED display screen according to the present invention;

Fig. 2 is an enlarged view at the A place of Fig. 1;

Fig. 3 is the assembly drawing of a kind of high light-transmitting LED display screen of the present invention;

Fig. 4 is an enlarged view at B of Fig. 3;

FIG. 5 is a front view and a partial enlarged view of a highly transparent LED display screen according to the present invention;

Fig. 6 is an enlarged view at C of Fig. 1;

FIG. 7 is a three-dimensional structural view of a positioning plate of a highly transparent LED display screen according to the present invention;

FIG. 8 is a front view of a high light-transmitting LED display screen provided with power boxes at both ends of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense, for example, it may be a connection or a detachable connection, It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms should not be construed as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

Drawings 1 to 8 are drawings of the present invention.

The present embodiment provides a highly transparent LED display screen, please refer to FIGS. 1 and 2 , including: a plurality of fixing boards 10 , a circuit board 11 arranged on one side of the fixing plate 10 , a plurality of LED lamp beads (not marked in the drawing), and power supply. A plurality of the fixing boards 10 are arranged at intervals in sequence, so that the LED lamp beads arranged on the surface of the circuit board 11 form a plane or a curved surface. The circuit board 11 is laterally mounted on the fixing board 10 . Several fixing plates 10 are arranged in parallel with each other, and a gap is provided between adjacent fixing plates 10 for light transmission of the display screen.

The fixed plate 10 can be arranged vertically or horizontally, preferably vertically, so that the influence of gravity on the deformation of the distance between the fixed plates is minimized.

The fixing board 10 is a strip structure, the circuit board 11 is fixed on the fixing board 10 , and the side on which the LED lamp beads are installed is exposed on the surface of the fixing board 10 . A plurality of fixing plates 10 are arranged at intervals, and the side where the LED lamp beads are arranged forms a plane or a curved surface, so that the flatness of the display screen is good or the lines of the shape of the display surface are smooth.

Preferably, the LED lamp beads on the circuit board 11 are side-emitting lamp beads.

Preferably, the material of the fixing plate 10 is preferably a rigid or semi-rigid material that is light and not easily deformed; further preferably, the fixing plate 10 is an aluminum profile, which is light in weight on the one hand, which is conducive to maintaining the verticality of the fixing plate, and on the other hand On the one hand, it is conducive to the heat dissipation of the LED lamp beads.

Among them, please refer to FIGS. 1 , 3 and 4 , and also includes a power supply box 13 . One end of the fixing plate 10 is fixedly connected to the power supply box 13 . The fixing plate 10 is fixedly coupled with the power box 13 through the first fixing member 14 provided thereon. One end of the fixing plate 10 is provided with a mounting position, so that it can be fixedly connected with the power box 13 .

Preferably, both ends of the fixing plate 10 are provided with installation positions that are fixedly connected with the power supply box 13 . The power boxes 13 are arranged on both ends of the fixing plate 10, so that the fixing of the plurality of fixing plates 10 is more firm and stable.

3 and 4 , the fixing board 10 is provided with a clamping groove 101 for fixing the circuit board 11 , and the clamping groove 101 has a U-shaped or V-shaped structure. When the circuit board 11 is fixed in the clamping slot 101 , both ends or one end of the fixing board 10 are electrically and signally connected to the interface 131 of the power supply box 13 through the connector 111 . The clip slot 101 is arranged on the front side of the fixing board 10, so that when the screen is formed, the clip slot 101 and the circuit board 11 are located on the front side of the screen. Due to the flat structure of the fixing plate 10, and the cross-section of the fixing plate 10 is an approximate quadrilateral, in the direction in which the fixing plate 10 is installed, the two sides with the larger area of the flat structure are the left and right sides of the fixing plate 10, and the side with the smaller area is The two sides are the front and rear sides. The clip slot 101 is arranged on the front side of the fixing plate 10, and each fixing plate 10 is arranged parallel to each other, so that only the front side of the fixing plate 10 can be seen from the front side of the screen, so the shadow area generated by the fixing plate 10 is relatively small. Small. In the case of LED lamp beads, the area of the fixing plate 10 for blocking light will be reduced, so that the light transmittance of the adjacent fixing plates 10 is improved.

Preferably, the depth of the clamping groove 101 is larger than the width, so that when the circuit board 11 is installed, the circuit board 11 is installed sideways, so that when viewing in front of the screen, only the side of the circuit board 11 can be seen, which is equivalent to each circuit board 11 Only occupy the screen space of its thickness, therefore, compared with the existing transparent LED display, its light transmittance is greatly improved.

One end of the fixing plate 10 close to the power box 13 is provided with a fixing structure matching with the first fixing member 14 to prevent the fixing plate 10 from loosening. The first fixing member 14 detachably presses the fixing plate 10 on the outside or inside of the power box 13 to ensure the stability of the fixing plate 10 .

Please refer to FIGS. 3 , 4 and 5 , the fixing plate 10 is provided with a groove 102 , and the groove 102 is provided with a locking protrusion 103 . The grooves 102 and the locking protrusions 103 form the fixing structure. The first fixing member 14 is provided with a card slot 141 matching with the groove 102 and a through hole 142 matching with the locking protrusion 103 . The card slot 141 and the through hole 142 are arranged along the length direction of the fixing plate 10 . The groove 102 of the fixing plate 10 is engaged with the card groove 141 of the first fixing member 14, and the locking protrusion 103 on the groove 102 passes through the through hole 142, so that the fixing plate 10 is firmly fixed on the power supply box 13 to avoid Movement occurs. The first fixing member 14 laterally fixes the fixing plate 10 on the power supply box 13 , and the first fixing member 14 can fix a plurality of fixing plates 10 at a time. Preferably, the first fixing member 14 is fixed on the power box 13 by screws. The groove 102 is installed in a matched manner with the card groove 141 , and the locking protrusion 103 is installed in a matched manner with the through hole 142 , so the first fixing member 14 can prevent the fixing plate 10 from loosening.

Preferably, the first fixing member 14 is provided with a plurality of clamping grooves 141 and through holes 142 in its length direction, so that the plurality of fixing plates 10 can be compressed.

Please refer to FIGS. 3 , 4 and 5 , a first limiting groove 104 is provided on the side of the fixing plate 10 away from the lamp beads. The power box 13 is provided with a beam 132 matched with the first limiting groove 104 . The first limiting groove 104 is clamped on the beam 132 to prevent the loosening of the fixing plate 10 in the axial direction, and it is easier to locate during installation.

Please refer to FIGS. 3 , 4 and 5 , a side of the power box 13 close to the beam 132 is provided with a second limiting groove 133 for fixing the board 10 . The fixing plate 10 is clamped in the second limiting groove 133 to prevent the fixing plate 10 from moving laterally, and the fixing plate 10 can be easily positioned during installation. The fixing plate 10 is disposed on the power supply box 13, and the fixing plate 10 is completely engaged in the second limiting groove 133, so that the stability of the fixing plate 10 is better.

Preferably, the second limiting groove 133 is formed by a gap between two sheet-like bodies fixed to the power supply box 13 .

1, 3, and 6, although the fixing plate 10 is made of hard material, when it is connected in multiple sections or has a long length, it will inevitably be skewed. There is a card board 15 . The clamping plate 15 is provided with a plurality of clamping slots 151 for fixing the fixing plate 10 . There is a certain distance between the clamping plate 15 and the power box 13; it is preferable to set multiple clamping plates 15 along the axial direction of the fixing plate 10, and one clamping plate 15 can fix multiple fixing plates 10, so that the two ends of the fixing plate 10 are fixed. The stability of the position between them is better, and the shaking phenomenon caused by the length of the fixing plate 10 being too long is avoided.

Preferably, please refer to FIGS. 3 , 6 and 7 , the inner wall of the locking slot 151 is provided with a locking protrusion 152 for preventing the fixing plate 10 from sliding out. The distance between adjacent clamping slots 151 is equal to the interval between adjacent fixing plates 10 . Wherein, the side of the fixing plate 10 is provided with a clamping groove 105 matching the clamping protrusion. When the clamping plate 15 fixes the plurality of fixing plates 10 in the clamping groove 151, the clamping protrusion 152 is clamped in the clamping groove 105, so that the plurality of fixing plates 10 form a whole, preventing the fixing plate 10 from shaking or falling off, And the fixed distance between the fixed plates 10 can be maintained.

Among them, it also includes HUB board and sending card. The power supply, the HUB board and the sending card are arranged in the power supply box 13 .

Preferably, please refer to FIG. 5 , the end of the power box 13 farther from the fixing plate 10 is provided with a suspension ring 16 for suspending the light-transmitting display screen in the air.

Specifically, please refer to FIGS. 1 and 6 , the vertically arranged strip-shaped circuit board 11 may be a complete one formed in one piece; it may also be a plurality of longitudinally connected to form a long strip of circuit board 11 , because the signal transmission increases with the distance. Increase and weaken, high light transmittance LED display is often higher. Therefore, as required, preferably, the strip-shaped circuit board 11 is formed by longitudinally connecting several sections of circuit boards. Signal connectors 17 (such as pin headers) are longitudinally arranged between the strip-shaped circuit boards 11 to make the display effect of the LED display screen clearer. The length of each circuit board 11 is determined according to factors such as the height of the display screen, the relationship between signal transmission distance and attenuation.

Specifically, the fixing board 10 may be a complete piece formed integrally; it may also be formed by splicing several short strips with the same length as the circuit board. Adjacent fixing plates 10 are detachably connected by connecting pieces, wherein the connecting pieces are such as pins, clips, screws, connecting pieces and the like. It is preferably a connecting piece, which has a U-shaped structure in cross-section and is provided with a number of pin holes.

In addition to the LED lamp beads, the circuit board 11 also has printed circuits. Among them, the printed circuit is the carrier of the electrical connection of the electronic components of the LED display screen. The area of the traditional LED display circuit board is almost the same as the display area, and the transparent display screen is hollowed out in the blank position of the circuit board to increase its light transmittance. However, compared with the light transmittance of the existing transparent LED display screen, the light transmittance of the present invention is greatly improved.

In another embodiment, please refer to FIGS. 4 and 8 , both ends of the fixing plate 10 are fixedly connected to the power box 13 . The fixing plate 10 is fixedly coupled with the power box 13 through the first fixing member 14 provided thereon. Both ends of the fixing plate 10 are provided with mounting positions, so that the fixing plate 10 can be fixedly connected with the power box 13 . Wherein, the connection manner of the first fixing member 14 , the fixing plate 10 and the power supply box 13 is the same as the above-mentioned implementation.

The high light transmission display screen of the present invention adopts the circuit boards 11 arranged at intervals and with side-emitting LED lamp beads, and the circuit boards 11 are installed sideways, which is equivalent to that each circuit board 11 only occupies the screen space of its thickness, Therefore, its transmittance is greatly improved. On the other hand, compared with the existing transparent LED display screen, the display screen of the present invention has no glass panel and various frame structures arranged in the screen, so the light transmittance is greatly improved.

The structural design of the circuit board 11 , the fixing plate 10 , the first fixing member 14 and the power supply box of the present invention can minimize the load-bearing of the display screen and improve the verticality of the vertical installation of the strip circuit board, so that the display effect is better.

Compared with the prior art, the plurality of fixing boards 10 of the present invention are arranged in parallel and spaced apart, and the circuit boards 11 with LED lamp beads are fixed on the fixing board 10 to form an LED display screen. The invention has the advantages of high light transmittance, light weight, small thickness and simple structure.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand it more easily, but it does not mean that the embodiments of the present invention are limited to this. Any technical extension or re-creation made according to the present invention is subject to the protection of. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A high light-transmitting LED display screen is characterized in that, comprising: several fixing boards, a circuit board arranged on one side of the fixing board, a number of LED lamp beads arranged on the circuit board, and a power supply; The fixing plates are arranged at intervals in sequence, so that the LED lamp beads located on the plurality of fixing plates form a plane or a curved surface; the circuit boards are laterally mounted on the fixing plates. 2. The LED display screen with high light transmission according to claim 1, further comprising a power supply box; one or both ends of the fixing plate are fixedly connected to the power supply box; The first fixing member is fixedly connected with the power box. 3 . The LED display screen with high light transmission according to claim 1 , wherein the fixing plate is provided with a clamping groove for fixing the circuit board; the circuit board is laterally installed in the clamping groove. 4 . 4 . The LED display screen with high light transmission according to claim 2 , wherein the end of the fixing plate close to the control box is provided with a fixing structure matched with the first fixing member, so that the fixing plate can be fixed. 5 . in the control box. 5 . The LED display screen with high light transmission according to claim 4 , wherein the fixing plate is provided with a groove, and the groove is provided with a locking protrusion; the groove and the locking The bulge forms the fixing structure; the first fixing member is provided with a card slot matching the groove and a through hole matching the card position bulge. 6 . The LED display screen with high light transmission according to claim 2 , wherein a side of the fixing plate away from the lamp bead is provided with a first limiting groove; the power box is provided with a first limiting groove. The beam is matched with the limit groove; the first limit groove is clamped on the beam to prevent the fixed plate from moving axially. 7 . The LED display screen with high light transmission according to claim 6 , wherein the side of the power box close to the beam is provided with a second limit groove for fixing a fixing plate; the fixing plate It is clamped in the second limiting groove. 8. The LED display screen with high light transmission according to claim 1 or 2, characterized in that it further comprises a clamping plate for clamping the fixed plate; the clamping plate is provided with several The slot for fixing the fixing plate. 9 . The LED display screen with high light transmission according to claim 8 , wherein the inner wall of the clamping slot is provided with a clamping protrusion to prevent the fixing plate from sliding out; the side of the fixing plate is provided with a clamping protrusion. Snap groove fixed with snap projection. 10 . The LED display screen with high light transmission according to claim 2 , further comprising a HUB board and a sending card; the power supply, the HUB board and the sending card are arranged in a power supply box. 11 .

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