LED display module and LED display screen

Abstract

The utility model relates to an LED display module and an LED display screen, and belongs to the technical field of display screens. Comprising a substrate, a plurality of light-emitting elements, heat dissipation holes, a heat conducting plate and a heat dissipation structure, the light-emitting elements are uniformly arranged on the substrate, the heat dissipation holes comprise a plurality of groups, each group of heat dissipation holes is located between two adjacent rows of light-emitting elements, and the heat conducting plate is arranged on the substrate. A heat conducting plate is arranged on the substrate and between every two adjacent rows of light-emitting elements; the heat dissipation structure comprises heat dissipation strips, heat dissipation plates and heat dissipation columns; heat generated by the light-emitting elements on the substrate can be transmitted to the heat dissipation plate and then dissipated to the environment through the heat dissipation columns, heat dissipation can be conducted in time, the heat dissipation effect is enhanced, the service life of the LED display screen is prolonged, and the display effect of the LED display screen is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of display screens, and specifically relates to an LED display module and an LED display screen. Background Art

[0002] LED display screen is composed of multiple small LED module panels, and is used to display various information such as text, images, videos and video signals. With the development of electronic technology, LED display screens are widely used in people's lives, bringing convenience to people's lives. When the LED display screen is working, the electro-optical conversion efficiency is 20% to 30%, and about 70% of the electrical energy is converted into heat energy, which causes the temperature of the LED display screen to rise when it is working. The temperature rise will cause the wavelength of the LED display screen to drift and the output brightness to decrease. The existing LED display screen has poor heat dissipation effect, which affects the service life and display effect of the LED display screen. Therefore, the utility model provides an LED display module and an LED display screen to solve the above problems. Summary of the invention

[0003] In order to overcome the problems mentioned in the background technology, the utility model provides an LED display module and an LED display screen. The utility model can dissipate heat in time, enhance the heat dissipation effect, and increase the service life and display effect of the LED display screen.

[0004] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: the LED display module and the LED display screen include a substrate 1, a light-emitting element 2, a heat dissipation hole 3, a heat conduction plate 4 and a heat dissipation structure 5, the light-emitting element 2 is multiple, and the multiple light-emitting elements 2 are evenly arranged on the substrate 1, the heat dissipation hole 3 includes multiple groups, and each group of the heat dissipation holes 3 is located between two adjacent columns of light-emitting elements 2, a heat conduction plate 4 is installed on the substrate 1 and between each two adjacent rows of light-emitting elements 2, the heat dissipation structure 5 includes a heat dissipation bar 6, a heat dissipation plate 7 and a heat dissipation column 8, the heat dissipation bar 6 is installed above the heat conduction plate 4, the heat dissipation plate 7 is installed above the heat dissipation bar 6, the light-emitting element 2 passes through the heat dissipation plate 7 to the outside of the heat dissipation plate 7, the heat dissipation column 8 is installed on the heat dissipation plate 7, and one end of the heat dissipation column 8 passes through the heat dissipation hole 3 to one side of the substrate 1.

[0005] Furthermore, the LED display module and the LED display screen include a frame 9 , and first screw holes 10 are correspondingly provided on the four corners of the frame 9 and the four corners of the substrate 1 , and the first screw holes 10 are threadedly connected with first bolts 11 .

[0006] Furthermore, the LED display module and LED display screen include a flame-retardant glass cover 12, and the frame 9 is also provided with fixing columns 13 at the four corners, and the fixing columns 13 are provided with second screw holes 14. The flame-retardant glass cover 12 is correspondingly provided with fixing holes 15 at the four corners, and the second screw holes 14 are threadedly connected with second bolts 16.

[0007] Furthermore, the top of the heat sink 7 is coated with black thermal conductive glue.

[0008] Furthermore, a flame retardant is coated on a side of the substrate 1 away from the light emitting element 2 .

[0009] Beneficial effects of the utility model:

[0010] The heat generated by the light-emitting element on the substrate of the utility model can be transferred to the heat dissipation plate through the heat-conducting plate and the heat-conducting adhesive, and then dissipated to the environment through the heat dissipation column, which can dissipate the heat in time, enhance the heat dissipation effect, increase the service life of the LED display screen, and enhance the display effect. At the same time, a flame-retardant glass cover and a flame retardant are also provided to protect the substrate and the light-emitting element, and reduce the risk of fire in the LED display module. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structural section of the utility model.

[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0013] Figure 3 It is a schematic diagram of the substrate structure of the utility model.

[0014] Figure 4 It is a schematic diagram of the back side of the structure of the utility model.

[0015] Figure numerals: substrate 1, light-emitting element 2, heat dissipation hole 3, heat conducting plate 4, heat dissipation structure 5, heat dissipation bar 6, heat dissipation plate 7, heat dissipation column 8, frame 9, first screw hole 10, first bolt 11, flame-retardant glass cover 12, fixing column 13, second screw hole 14, fixing hole 15, second bolt 16. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.

[0017] like Figure 1-4The utility model discloses an LED display module and an LED display screen, wherein the LED display module and the LED display screen include a substrate 1, a light emitting element 2, a heat dissipation hole 3, a heat conduction plate 4 and a heat dissipation structure 5, wherein the light emitting element 2 is multiple, and the multiple light emitting elements 2 are evenly arranged on the substrate 1, the heat dissipation hole 3 includes multiple groups, and each group of the heat dissipation holes 3 is located between two adjacent columns of light emitting elements 2, a heat conduction plate 4 is installed on the substrate 1 and between each two adjacent rows of light emitting elements 2, and the heat dissipation structure 5 includes a heat dissipation bar 6, a heat dissipation plate 7 and a heat dissipation column 8, and the heat dissipation bar 6 is installed It is installed above the heat conducting plate 4, the heat sink 7 is installed above the heat dissipation bar 6, the light emitting element 2 passes through the heat sink 7 to the outside of the heat sink 7, the heat dissipation column 8 is installed on the heat sink 7, and one end of the heat dissipation column 8 passes through the heat dissipation hole 3 to one side of the substrate 1; the substrate is a circuit board of the LED display module, such as a PCB board, a PCBA board, etc.; the light emitting element is a light emitting diode, an LED chip, etc. The heat generated by the light emitting element on the substrate can be transferred to the heat sink, and then dissipated to the environment through the heat dissipation column, which can dissipate heat in time, enhance the heat dissipation effect, and increase the service life and display effect of the LED display.

[0018] The LED display module and LED display screen include a frame 9, and first screw holes 10 are correspondingly arranged on the four corners of the frame 9 and the four corners of the substrate 1. The first screw holes 10 are internally threaded with first bolts 11, which facilitates the disassembly and assembly of the substrate.

[0019] The LED display module and LED display screen include a flame-retardant glass cover 12, and the frame 9 is also provided with fixing columns 13 at the four corners, and the fixing columns 13 are provided with second screw holes 14. The four corners of the flame-retardant glass cover 12 are correspondingly provided with fixing holes 15, and the second screw holes 14 are internally threaded with second bolts 16; the flame-retardant glass cover is fixed in front of the light-emitting element by using the second bolts through the second screw holes and the fixing holes, which is convenient for disassembly and assembly. The flame-retardant glass cover can use composite fireproof glass, which has light-transmitting, fire-proof (smoke-proof, fire-proof, heat radiation-shielding), sound-proof, and impact-resistant properties, can protect the light-emitting element and fire-proof, and will not affect the display effect.

[0020] The top of the heat sink 7 is coated with black heat-conducting glue to enhance the heat-conducting and heat-dissipating effects and the display effects.

[0021] The side of the substrate 1 away from the light emitting element 2 is coated with a flame retardant, which can protect the substrate and reduce the risk of fire.

[0022] Working process:

[0023] The working principle of the utility model is as follows: the heat generated by the light-emitting element 2 on the substrate 1 is transferred to the heat dissipation strip 6 and the heat dissipation plate 7 through the heat-conducting plate 4 and the heat-conducting adhesive, and then dissipated to the environment through the heat dissipation column 8. The flame-retardant glass cover 12 can protect the light-emitting element 2 and prevent fire without affecting the display effect. The black heat-conducting adhesive on the heat dissipation plate 7 can enhance the heat conduction and heat dissipation effect and the display effect. The substrate 1 is coated with a flame retardant to protect the substrate 1 and reduce the risk of fire.

[0024] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. LED display module and LED display screen, characterized in that: The LED display module and LED display screen comprise a substrate (1), a light-emitting element (2), a heat dissipation hole (3), a heat conduction plate (4) and a heat dissipation structure (5). The light-emitting element (2) is a plurality of light-emitting elements (2), which are evenly arranged on the substrate (1). The heat dissipation hole (3) comprises a plurality of groups, and each group of the heat dissipation holes (3) is located between two adjacent columns of light-emitting elements (2). A heat conduction plate (4) is installed on the substrate (1) and between each two adjacent rows of light-emitting elements (2). The heat dissipation structure (5) comprises a heat dissipation bar (6), a heat dissipation plate (7) and a heat dissipation column (8). The heat dissipation bar (6) is installed above the heat conduction plate (4), and the heat dissipation plate (7) is installed above the heat dissipation bar (6). The light-emitting element (2) passes through the heat dissipation plate (7) to the outside of the heat dissipation plate (7). The heat dissipation column (8) is installed on the heat dissipation plate (7), and one end of the heat dissipation column (8) passes through the heat dissipation hole (3) to one side of the substrate (1).

2. The LED display module and LED display screen according to claim 1, characterized in that: The LED display module and LED display screen comprise a frame (9), and first screw holes (10) are correspondingly provided at the four corners of the frame (9) and the four corners of the substrate (1), and the first screw holes (10) are internally threadedly connected with first bolts (11).

3. The LED display module and LED display screen according to claim 2, characterized in that: The LED display module and LED display screen comprise a flame-retardant glass cover (12), the frame (9) is further provided with fixing columns (13) at the four corners, the fixing columns (13) are provided with second screw holes (14), the flame-retardant glass cover (12) is correspondingly provided with fixing holes (15) at the four corners, and the second screw holes (14) are internally threadedly connected with second bolts (16).

4. The LED display module and LED display screen according to claim 1, characterized in that: The top of the heat sink (7) is coated with black thermal conductive glue.

5. The LED display module and LED display screen according to claim 1, characterized in that: A flame retardant is coated on the side of the substrate (1) away from the light-emitting element (2).

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