CN211827956U

CN211827956U - Display screen and display screen system

Info

Publication number: CN211827956U
Application number: CN202020740282.XU
Authority: CN
Inventors: 何耀文
Original assignee: Shangyou Jiayi Lighting Product Co Ltd
Current assignee: Shangyou Jiayi Lighting Product Co Ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-10-30
Anticipated expiration: 2030-05-07

Abstract

The utility model provides a display screen and a display screen system, wherein the display screen comprises a controller, a signal wire and a set number of LED lamp strings which are connected in sequence; the controller is used for outputting a control signal; the LED lamp string is used for receiving the control signal through the signal wire, emitting light under the control of the control signal and displaying an image corresponding to the control signal. The utility model discloses the cost of display screen has been reduced to the portability of display screen has been improved.

Description

Display screen and display screen system

Technical Field

The utility model belongs to the technical field of the image display technique and specifically relates to a display screen and display screen system are related to.

Background

In the related art, a Printed Circuit Board (PCB) is generally used as a substrate of a display panel, LED (Light Emitting Diode) beads are distributed on the substrate, and a plurality of components are disposed on the back of the substrate to receive signals and display images; however, display screens based on the above structure are generally expensive and heavy.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a display screen and a display screen system to reduce the cost of the display screen and improve the portability of the display screen.

In a first aspect, an embodiment of the present invention provides a display screen, which includes a controller, a signal line, and a set number of LED strings connected in sequence; the controller is used for outputting a control signal; the LED lamp string is used for receiving the control signal through the signal wire, emitting light under the control of the control signal and displaying an image corresponding to the control signal.

In combination with the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the LED lamp string includes a plurality of LED lamp beads connected in parallel; the LED lamp bead comprises a signal input end; the signal line includes a signal transmission line; the signal transmission line is connected with the signal input end of the LED lamp bead.

With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the LED lamp bead further includes a positive electrode and a negative electrode; the signal line also comprises a positive power line and a negative power line; the positive power line is connected with the positive electrode of the LED lamp bead; and the negative power line is connected with the negative electrode of the LED lamp bead.

With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the LED light string further includes a connecting wire; the LED lamp beads are connected with the signal line through a connecting line; the connecting wire is connected with the signal wire in a welding mode.

With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, wherein the signal line is fixed at a set level; the LED lamp string is hung by taking a welding point of the connecting wire and the signal wire as a fixed point.

With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the connecting line is wrapped by a transparent insulating layer.

With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein the display screen further includes a signal line housing; the signal wire is arranged in the signal wire shell; the signal wire shell is provided with a connecting hole; the signal wire is welded with the connecting female head; the connecting female head is opposite to the connecting hole; the LED lamp string also comprises a connecting wire; the connecting wire is welded with the connecting male head; the LED lamp bead is connected with the signal line through the connecting line, the connecting male head and the connecting female head.

With reference to the sixth possible implementation manner of the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the signal line housing includes a hollow aluminum profile.

In a second aspect, an embodiment of the present invention further provides a display screen system, where the display screen system includes the display screen and a power supply; the power supply supplies power to the display screen.

In combination with the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, wherein the power supply is connected to a controller of the display screen.

The embodiment of the utility model provides a following beneficial effect has been brought:

the embodiment of the utility model provides a display screen and a display screen system, wherein the display screen comprises a controller, a signal wire and a set number of LED lamp strings which are connected in sequence; the controller is used for outputting a control signal; the LED lamp string is used for receiving the control signal through the signal wire, emitting light under the control of the control signal and displaying an image corresponding to the control signal. The mode reduces the cost of the display screen and improves the portability of the display screen.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

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

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

fig. 2 is a schematic structural diagram of another display screen provided in an embodiment of the present invention;

fig. 3 is a circuit diagram of an LED light string in another display screen according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a display screen system according to an embodiment of the present invention.

Icon: 10-a controller; 20-signal lines; 30 a-a first LED light string; 30 b-a second LED light string; 30 c-a third LED light string; 300-LED lamp beads; 20 a-signal transmission line; 20 b-positive power supply line; 20 c-negative power supply line; 100-a display screen; 40-power supply.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the related art, a display screen usually uses a PCB as a substrate, LED lamp beads are fully distributed on the substrate, and a plurality of components are disposed on the back of the substrate to receive image display signals sent from the outside to display corresponding images.

However, the display screen based on the above structure is generally expensive and heavy, resulting in difficult installation and inconvenient maintenance.

Based on this, the embodiment of the utility model provides a display screen and display screen system can be applied to various scenes that need carry out image display.

In order to facilitate understanding of the present embodiment, a detailed description will be given first of all to a display screen disclosed in an embodiment of the present invention.

The embodiment of the utility model provides a display screen, including the controller, signal line and the LED lamp cluster of setting for quantity that connect gradually, its schematic structure is shown in fig. 1; in fig. 1, taking the number of LED light strings as 3 as an example, the display screen includes a controller 10, a signal line 20, a first LED light string 30a, a second LED light string 30b and a third LED light string 30 c; the first LED string 30a, the second LED string 30b and the third LED string 30c are respectively connected to the signal line 20.

The controller 10 is configured to output a control signal; the LED lamp strings are used for receiving the control signals through the signal lines, emitting light under the control of the control signals and displaying images corresponding to the control signals.

The Controller may be a Programmable Logic Controller (PLC) or a single chip microcomputer. The controller can receive an image display signal of a signal input device connected with the controller, and then the image display signal is converted into a control signal for the LED lamp string, so that the LED lamp string is controlled to emit light, and a corresponding image is displayed; or after writing codes for specific images to be displayed by related workers, inputting and storing the codes into the controller, wherein the codes can generate control signals when running in the controller so as to control the light emitting of the LED lamp string.

The LED lamp string is connected with the controller through a signal wire. Typically, the controller is also connected to a power supply, and the controller may supply power to the LED string. In this case, the signal line includes at least a cable for transmitting electric energy and a cable for transmitting a control signal; cables for transmitting electric energy generally comprise a positive cable and a negative cable; thus, the signal line typically includes three cables.

The LED lamp string consists of LED lamp beads; the LED lamp beads can be connected in parallel or in series. LED lamp pearl, also known as emitting diode. The light-emitting principle of the LED lamp bead is a PN junction light-emitting principle: when forward bias voltage is applied to the two ends of the PN junction, the voltage barrier is lowered, majority carriers in the P region and the N region diffuse to the opposite region, a large number of electrons in the N region diffuse to the P region due to the fact that the mobility of electrons is much higher than that of holes, injection of minority carriers in the P region is formed, energy obtained in the process of recombination of the migrated electrons and holes in a valence band is released in the form of light energy, and therefore the light emitting diode (namely the LED lamp bead) emits light.

The LED lamp bead comprises a positive electrode and a negative electrode. After the LED lamp beads are connected in parallel or in series to form the LED lamp string, the anode of each LED lamp bead needs to be connected with the anode cable of the signal wire, and the cathode of each LED lamp bead is connected with the cathode cable of the signal wire, so that the corresponding LED lamp bead can emit light. The LED lamp bead can realize multicolor luminescence through a chemical modification method, so that a colorful LED lamp string is obtained. Common LED lamp beads include direct-insert LED lamp beads, surface-mounted LED lamp beads and the like. The brightness of the LED lamp beads can be controlled by the current flowing through the LED lamp beads; the LED lamp beads can emit light or extinguish according to the control signals after receiving the control signals sent by the controller.

Compared with the traditional display screen, the display screen does not have a PCB substrate, and the LED lamp strings are usually connected by flexible wires; the signal wire can be fixed at a certain position, then the LED lamp string is connected with the signal wire, and the LED lamp string is directly suspended by taking the connecting point as a fixed point.

The embodiment of the utility model provides a display screen, which comprises a controller, a signal wire and a set number of LED lamp strings which are connected in sequence; the controller is used for outputting a control signal; the LED lamp string is used for receiving the control signal through the signal wire, emitting light under the control of the control signal and displaying an image corresponding to the control signal. The mode reduces the cost of the display screen and improves the portability of the display screen.

The embodiment of the utility model provides a still provide another kind of display screen, this display screen realizes on the basis of above-mentioned embodiment; the display screen comprises a controller, a signal wire and an LED lamp string, and the structural schematic diagram of the display screen is shown in FIG. 2.

The LED lamp string of the display screen comprises a plurality of LED lamp beads 300 which are connected in parallel, for example, 5 LED lamp beads are connected in parallel, and the circuit diagram is shown in FIG. 3; the LED lamp bead comprises a signal input end; the signal lines include signal transmission line 20 a; the signal transmission line is connected with the signal input end of the LED lamp bead. The signal transmission line is used for transmitting the control signal output by the controller to the LED lamp string.

Specifically, the LED lamp bead further comprises a positive electrode and a negative electrode; the signal lines further include a positive power supply line 20b and a negative power supply line 20 c; the positive power line 20b is connected with the positive electrode of the LED lamp bead; and the negative power line 20c is connected with the negative electrode of the LED lamp bead.

The LED lamp string also comprises a connecting wire; the LED lamp beads are connected with the signal line through a connecting line; the connecting wire and the signal wire can be connected in a welding mode; in order to ensure the display effect of the display screen formed by the LED lamp strings on images, the connecting wires among the LED lamp beads can be wrapped by transparent insulating layers, such as transparent plastic insulating layers.

In a specific implementation process, the signal line can be fixed at a set horizontal height; the LED lamp string is suspended by taking a welding point of the connecting wire and the signal wire as a fixed point; if the signal lines are set to be a certain figure at a set horizontal height, such as a square, a circle and the like, the display screen also has the effect of a three-dimensional display screen, and the figure to be displayed can be better displayed.

In a specific implementation process, in order to further fix the signal wires better, the display screen further comprises a signal wire shell; the signal line is arranged in the signal line shell. The signal line shell can be a hollow aluminum profile; the signal line can be placed in the hollow aluminum section after wrapping the insulating layer.

The signal wire shell can have various shapes, and a connecting hole can be arranged on the shell; the signal wire is welded with the connecting female head; the position of the connecting female head is opposite to that of the connecting hole, and the connecting male head corresponding to the connecting female head can be connected with the connecting female head through the connecting hole. Correspondingly, the LED lamp string also comprises a connecting wire; the connecting wire is welded with the connecting male head; the LED lamp beads are connected with the signal line through the connecting line, the connecting male head and the connecting female head; the LED lamp string is more firmly connected with the signal wire, can be detached and is convenient to maintain.

The embodiment of the utility model provides a pair of display screen, the cost is lower, comparatively portability, and can design various molding according to the demand.

The embodiment of the utility model provides a still provide another kind of display screen, this display screen realizes on the basis of above-mentioned embodiment. The display screen is similar to the curtain light mode; the display screen comprises a controller, a signal wire and an LED lamp string.

In an actual implementation process, the signal line fixed at a certain level includes a power line (equivalent to the positive power line and the negative power line) and a signal line main line (equivalent to the signal transmission line), and then a string of string lights (equivalent to the LED string lights) connected to the signal line hangs down. In order to ensure the suspension effect of the lamp string, a hanging piece with a little weight shape can be hung at the tail part of the lamp string to play the roles of decorating and straightening the lamp string, and the wire rod of the lamp string is made of a transparent insulating layer, so that the wire rod cannot be obvious or even can be ignored after being hung.

The connection mode (also called as a manufacturing mode) of the signal wire and the lamp string can be divided into two modes, one mode is that the connecting wire of the lamp string is directly welded with the signal wire correspondingly; this approach is mainly used for indoor, relatively small display screens; in another case, the signal wire and the lamp string can be connected through a male-female butt joint, in this case, the main wire can be placed inside an aluminum profile, the female joint is welded on the signal wire, and the male joint is welded on the connecting wire of the lamp string; if this mode is applied to indoorly, can adopt waterproof public female joint, if this mode is applied to outdoors, then need adopt waterproof public female head, such connected mode easy to assemble and maintenance, the thread is placed inside the aluminium alloy moreover, waterproof that can be fine, also hangs easily.

If the display screen is a small display screen, the controller can directly use the controller of one output port; if a large display screen is needed, a plurality of small display screens can be spliced into the large display screen, and the number of output ports is configured by a controller of the display screen according to the number of the small display screens needed; specifically, the display screens can be spliced into a planar display screen or a three-dimensional display screen.

The embodiment of the utility model provides a display screen has following four advantages:

1. the price is low;

2. the installation is convenient;

3. the periphery is transparent;

4. the weight is light.

The display screen can be applied indoors or outdoors, and good and abundant and diverse image display effects can be obtained.

Corresponding to the above embodiment, the embodiment of the present invention further provides a display screen system, as shown in fig. 4, the display screen system includes the display screen 100 and the power supply 40; wherein the power supply is used for supplying power for the display screen.

In a specific implementation process, the power supply can be connected with a controller of the display screen; and then the controller supplies power to the LED lamp string through the signal wire.

The embodiment of the utility model provides a display screen system has the same technical characteristic with the display screen that above-mentioned embodiment provided, so also can solve the same technical problem, reach the same technological effect.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A display screen is characterized by comprising a controller, signal lines and a set number of LED lamp strings which are connected in sequence;

the controller is used for outputting a control signal;

the LED lamp string is used for receiving the control signal through the signal wire, emitting light under the control of the control signal and displaying an image corresponding to the control signal.

2. The display screen of claim 1, wherein the LED light string comprises a plurality of LED light beads connected in parallel; the LED lamp bead comprises a signal input end; the signal line comprises a signal transmission line; the signal transmission line is connected with the signal input end of the LED lamp bead.

3. The display screen of claim 2, wherein the LED light bead further comprises a positive electrode and a negative electrode; the signal line further comprises a positive power line and a negative power line;

the positive power line is connected with the anode of the LED lamp bead; and the negative power line is connected with the negative electrode of the LED lamp bead.

4. The display screen of claim 2, wherein the LED light string further comprises a connecting wire; the LED lamp beads are connected with the signal line through the connecting line; the connecting wire is connected with the signal wire in a welding mode.

5. The display screen of claim 4, wherein the signal lines are fixed at a set level; the LED lamp string is hung by taking a welding point of the connecting wire and the signal wire as a fixed point.

6. The display screen of claim 4, wherein the connecting lines are wrapped by a transparent insulating layer.

7. The display screen of claim 2, further comprising a signal line housing; the signal wire is arranged in the signal wire shell; the signal wire shell is provided with a connecting hole; the signal wire is welded with the connecting female head; the female connecting head is opposite to the connecting hole;

the LED lamp string further comprises a connecting wire; the connecting wire is welded with the connecting male head; the LED lamp bead passes through the connecting wire connect public head and connect female head with the signal line is connected.

8. The display screen of claim 7, wherein the signal line enclosure comprises a hollow aluminum profile.

9. A display screen system, characterized in that the system comprises a display screen according to any one of claims 1-8 and a power supply; the power supply supplies power to the display screen.

10. The system of claim 9, wherein the power supply is connected to a controller of the display screen.