CN220456032U

CN220456032U - LED light source, display module assembly and display screen

Info

Publication number: CN220456032U
Application number: CN202321687257.XU
Authority: CN
Inventors: 邹国儿; 华龙亭; 邹兵
Original assignee: Huizhou Hongzheng Photoelectric Co ltd
Current assignee: Huizhou Hongzheng Photoelectric Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2024-02-06
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses an LED light source which comprises a bracket, a plurality of monochromatic light sources and a plurality of lenses, wherein the bracket is provided with a plurality of first accommodating cavities, and the monochromatic light sources are respectively arranged in the first accommodating cavities in a one-to-one correspondence manner; the plurality of lenses are respectively covered on the plurality of first accommodating cavities and are respectively connected with the bracket; the lens corresponds to the monochromatic light source, and the rays of the monochromatic light source are asymmetrically distributed along the central axis of the monochromatic light source after passing through the lens; the utility model also discloses a display module and a display screen. When the LED light source is used as an outdoor display screen, emitted light rays can be inclined downwards, interference among light sources with different colors is avoided, display images watched by people looking up are clearer, the effect is better, and the LED light source is convenient and safe to install and use.

Description

LED light source, display module assembly and display screen

Technical Field

The utility model relates to the technical field of LED display light sources, in particular to an LED light source, a display module and a display screen.

Background

An LED display screen is a display, which is composed of a plurality of LED module panels, each LED module panel containing a plurality of LED light sources. At present, the LED display screen is applied to the outdoor display field in a large amount, the LED display screen is generally installed vertically to the ground when installed, and the installation height of the outdoor LED display screen is higher than the visual height of a viewer, such as an outdoor display screen of a mall, an intelligent traffic screen, etc., so that the viewer needs to look up when watching.

In order to enable the effect of looking up by the viewers to be better, the light waste is avoided, in the prior art, the LED module panel or the LED display screen is provided with a mounting structure which is used for carrying out a certain downward inclination, but the mounting structure has higher requirements on site mounting construction, and certain potential safety hazards can exist when the LED module panel or the LED display screen is used for a long time.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an LED light source, a display module and a display screen.

The utility model discloses an LED light source, comprising:

a bracket having a plurality of first accommodation chambers;

the plurality of monochromatic light sources are respectively arranged in the plurality of first accommodating cavities in a one-to-one correspondence manner; and

the plurality of lenses are respectively covered on the plurality of first accommodating cavities and are respectively connected with the bracket; a lens is correspondingly covered on a monochromatic light source, and the rays of the monochromatic light source are asymmetrically distributed along the central axis of the monochromatic light source after passing through the lens.

According to an embodiment of the utility model, the cross-sectional shape of the lens is of an asymmetric configuration in a cross-section perpendicular to the central axis of the monochromatic light source.

According to one embodiment of the utility model, the joint of the lens and the support is provided with a sealing structure.

According to an embodiment of the present utility model, the plurality of monochromatic light sources are arranged in a linear manner.

According to one embodiment of the utility model, the number of the monochromatic light sources is three, and the three monochromatic light sources are arranged in a 'delta' shape.

According to one embodiment of the utility model, the support further comprises a control chip, and the support further comprises a second accommodating cavity, wherein the control chip is arranged in the second accommodating cavity; the second accommodation chamber is disposed opposite to the first accommodation chamber.

According to an embodiment of the present utility model, the lens includes a first lens and a second lens, where the first lens is accommodated in the first accommodating cavity, and the second lens is correspondingly disposed on the first lens.

According to one embodiment of the utility model, the LED display device further comprises pins which are arranged on the bracket and are respectively and electrically connected with the monochromatic light source and the control chip.

A display module comprises the LED light source.

A display screen is characterized by comprising the display module.

The utility model has the advantages that the light rays of the monochromatic light sources are asymmetrically distributed along the central axis of the monochromatic light sources after passing through the lens, the light rays emitted by the monochromatic light sources can be declined after being vertical to the ground, the LED light sources are more suitable for people looking up at the lower part, and the interference among the different color light sources is avoided by arranging the plurality of monochromatic light sources in the independent first accommodating cavities respectively, so that the display images watched by the people looking up are clearer, the effect is better, the installation and construction are convenient, and the safety of long-term use is also ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of an LED light source in an embodiment;

FIG. 2 is a schematic diagram of an internal structure of an LED light source according to an embodiment;

FIG. 3 is a cross-sectional view of an LED light source in an embodiment;

FIG. 4 is a schematic view showing the downtilt of the LED light source when the LED light source is installed vertically on the ground in an embodiment;

FIG. 5 is a schematic diagram of another structure of an LED light source according to an embodiment;

FIG. 6 is a schematic diagram of another embodiment of an LED light source;

FIG. 7 is a cross-sectional view of FIG. 6 in an embodiment;

fig. 8 is an exploded view of an LED light source in an embodiment.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Example 1

Referring to fig. 1 to 4, fig. 1 is a schematic structural view of an LED light source according to an embodiment, fig. 2 is a schematic internal structural view of the LED light source according to an embodiment, fig. 3 is a sectional view of the LED light source according to an embodiment, and fig. 4 is a schematic view of downward inclination of light rays when the LED light source is installed vertically on the ground according to an embodiment. The LED light source in the present embodiment includes a holder 1, a plurality of monochromatic light sources 2, and a plurality of lenses 3. The bracket 1 is provided with a plurality of first accommodating cavities 11, and a plurality of monochromatic light sources 2 are respectively arranged in the first accommodating cavities 11 in a one-to-one correspondence manner; the plurality of lenses 3 are respectively covered on the plurality of first accommodating cavities 11 and are respectively connected with the bracket 1; a lens 3 is correspondingly covered on a monochromatic light source 2, and the light rays of the monochromatic light source 2 are asymmetrically distributed along the central axis of the monochromatic light source 2 after passing through the lens 3.

The light of monochromatic light source 2 can be with the central axis of monochromatic light source 2 after lens 3 is asymmetric distribution, after the setting of LED light source perpendicular to ground, can make the light of monochromatic light source 2 emission decline, the personnel of looking up in the lower department of more adaptation, and set up respectively in solitary first accommodation chamber 11 through a plurality of monochromatic light sources 2, interference between the different colour light sources has been avoided for the display image that looks up of watching personnel is clearer, the effect is better, and simple installation construction has also guaranteed the security of long-time use.

Preferably, the cross-sectional shape of the lens 3 has an asymmetric structure in a cross-section perpendicular to the central axis of the monochromatic light source 2. In this embodiment, the cross-sectional shape of the lens 3 is an asymmetric structure of a center point, which is the intersection point of the central axis of the monochromatic light source 2 and the cross-section of the lens 3, and the cross-sectional area of the portion of the lens 3 above the surface of the holder 1 becomes gradually smaller along the direction of the central axis of the monochromatic light source 2. So, regard central axis of monochromatic light source 2 as the symmetry line, lens 3 will have formed the curved surface that the shape is different, surface curvature is different at the central axis opposite side of monochromatic light source 2, the light that monochromatic light source 2 sent has different launch angles behind different curved surfaces, finally, form the light that is asymmetric distribution with the central axis of monochromatic light source 2 for the light of monochromatic light source 2 concentrates on one of them side of central axis more, when setting up the LED light source perpendicular ground, and then can make the light downward sloping of LED light source, after this kind of LED light source assembly forms the display screen, more be fit for being in the looking up of low department and watching personnel and watch. The broken line in fig. 3 and 4 in this embodiment is the central axis of the monochromatic light source 2.

Specifically, the plurality of first accommodating chambers 11 are formed on the upper surface of the bracket 1, the first accommodating chambers 11 are bowl-cup-shaped grooves, and the grooves can be round, oval or rectangular. The plurality of first accommodating chambers 11 may be arranged linearly, for example, sequentially and alternately arranged along the length direction of the bracket 1, and the three monochromatic light sources 2 are respectively disposed behind the three first accommodating chambers 11 and also present a linear arrangement mode.

Referring to fig. 5 again, fig. 5 is another schematic structural diagram of the LED light source in the embodiment. The first accommodating chambers 11 may be arranged in other ways, for example, in this embodiment, the number of the first accommodating chambers 11 and the number of the monochromatic light sources 2 are 3, and the three first accommodating chambers 3 may be arranged in a "delta" shape. When the three monochromatic light sources 2 are respectively arranged in the three first accommodating cavities 11, the three monochromatic light sources can be arranged in a delta shape.

The monochromatic light source 2 can be a three-color light source, namely a red light source (R light source), a green light source (G light source) and a blue light source (B light source), and can be linearly arranged or arranged in a 'pin' -shaped manner in a plurality of forms such as RGB, BBR, RRG, BBG, RRB and the like in specific application, and the monochromatic light source in the middle is independently arranged in the 'pin' -shaped arrangement. Of course, the monochromatic light source 2 may be a yellow light source (Y light source), a white light source (Y light source), or the like, and may be arranged in an RGY, GBW, or other arrangement, which is not limited thereto. In a specific application, the color of the lens 3 is the same as the color of the light emitted by the monochromatic light source 2 covered by the lens 3, so as to improve the light efficiency, for example, the lens 3 covered by the R light source may be a red lens, and so on.

In a specific implementation, the lower portion of the lens 3 may be embedded in the first accommodating cavity 11, and the upper portion of the lens 3 leaks outside the first accommodating cavity 11, in this embodiment, the lower portion of the lens 3 is accommodated in the first accommodating cavity 11, that is, a portion below the surface of the bracket 1, and the upper portion leaks in the first accommodating cavity 11, that is, a portion above the surface of the bracket 1, where the lens 3 has a convex lens function, and the lens 3 in this embodiment may be made of resin, although in other embodiments, glass or other materials may also be used.

Preferably, the junction between the lens 3 and the support 1 is provided with a sealing structure (not shown). The sealing structure is designed to enhance the weather resistance and the outdoor service life of the LED light source. Specifically, in this embodiment, the connection part between the lens 3 and the bracket 1 is sealed by epoxy resin, and the lens 3 can be integrally formed on the bracket 1 in a thermoplastic manner during specific application.

Preferably, in this embodiment, the LED light source further includes a control chip 4, the bracket 1 further includes a second accommodating cavity 12, and the control chip 4 is disposed in the second accommodating cavity 12. The number of control chips 4 is one, which are electrically connected to the plurality of monochromatic light sources 2, respectively. In this embodiment, the second accommodating cavity 12 is disposed opposite to the first accommodating cavity 11, the second accommodating cavity 12 is located inside the bracket 1, and when the control chip 4 is disposed behind the second accommodating cavity 12, the space for mounting the control chip on the outer surface of the bracket 1 can be saved, so that the whole volume of the LED light source can be reduced.

Preferably, the LED light source further includes a pin 5, the pin 5 is disposed on the bracket 1, and the pin 5 is electrically connected with the monochromatic light source 2 and the control chip 4 respectively. Through the setting of pin 5 to in order to conduct the electric current, when specific application, pin 5 is connected with monochromatic light source 2 and control chip 4 electricity respectively accessible electrically conductive copper line or adopts integrated mode, and this is not repeated here.

Example two

Referring to fig. 6 to 8, fig. 6 is a schematic view of still another structure of the LED light source in the embodiment, fig. 7 is a sectional view of fig. 6 in the embodiment, and fig. 8 is an exploded view of the LED light source in the embodiment. The LED light source in this embodiment is different from that in the first embodiment in that: the lens 3 includes a first lens 31 and a second lens 32, wherein the first lens 31 is accommodated in the first accommodating cavity 11, and a surface of the first lens 31 is flush with an opening of the first accommodating cavity 11, and the second lens 32 is correspondingly disposed on the first lens 31. The lens 3 is divided into the first lens 31 and the second lens 32, when in production, the first lens 31 can be formed in the first accommodating cavity 11, the monochromatic light source 2 is protected, then the second lens 32 is formed on the first lens 31, and when the second lens 32 is asymmetrically formed, for example, the second lens 32 is asymmetrically formed by pressing, thus the protection of the first lens 31 can not directly cause damage to the monochromatic light source 2, and air bubbles generated in the first accommodating cavity 11 are avoided.

Preferably, the sealing structure 33 is integrally formed with the second lens 32. Preferably, the outer wall of the upper end of the bracket 1 is recessed with a step 13, and the sealing structure 33 integrally formed with the second lens 32 is coated on the step 13 of the outer wall of the upper end of the bracket 1, so that a fully coated sealing structure is formed, and the sealing effect is further enhanced.

Example III

The present embodiment provides a display module, which includes the LED light sources in the first embodiment or the second embodiment and a mounting board, where a plurality of LED light sources are mounted on the mounting board in a matrix form.

Example IV

The utility model also provides a display screen which comprises the display module and the box body in the third embodiment, wherein the display modules are respectively arranged on the box body. When the LED light source is installed, the box body is installed on the ground vertically, and the LED light source can be installed on the ground vertically.

To sum up, when the LED light source of this application is used as outdoor display screen, can make the light downward sloping of transmission, and avoided the interference between the different colour light sources for the display image that looks at looking up of watching personnel is more clear, and the effect is better, installation convenient to use safety.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. An LED light source, comprising:

a bracket (1) having a plurality of first accommodation chambers (11);

the plurality of monochromatic light sources (2) are respectively arranged in the plurality of first accommodating cavities (11) in a one-to-one correspondence manner; and

a plurality of lenses (3), wherein the lenses (3) are respectively covered on the first accommodating cavities (11) and are respectively connected with the bracket (1); the lens (3) corresponds to the monochromatic light source (2), and the light rays of the monochromatic light source (2) are asymmetrically distributed along the central axis of the monochromatic light source (2) after passing through the lens (3).

2. The LED light source according to claim 1, characterized in that the cross-sectional shape of the lens (3) is of an asymmetric structure in a cross-section perpendicular to the central axis of the monochromatic light source (2).

3. LED light source according to claim 1, characterized in that the junction of the lens (3) and the holder (1) has a sealing structure (33).

4. The LED light source according to claim 1, characterized in that a plurality of said monochromatic light sources (2) are arranged in a linear fashion.

5. The LED light source according to claim 1, characterized in that the number of the monochromatic light sources (2) is three, and the three monochromatic light sources (2) are arranged in a "delta" shape.

6. The LED light source according to any of the claims 1-5, characterized in that it further comprises a control chip (4), the holder (1) further comprises a second accommodation cavity (12), the control chip (4) being arranged in the second accommodation cavity (12); the second receiving space (12) is arranged opposite to the first receiving space (11).

7. The LED light source according to any of the claims 1-5, characterized in that the lens (3) comprises a first lens (31) and a second lens (32), wherein the first lens (31) is accommodated in the first accommodation cavity (11), and the second lens (32) is correspondingly arranged on the first lens (31).

8. The LED light source according to claim 6, further comprising a pin (5), said pin (5) being provided on said holder (1), said pin (5) being electrically connected to said monochromatic light source (2) and to said control chip (4), respectively.

9. A display module comprising the LED light source of any one of claims 1-8.

10. A display screen comprising the display module of claim 9.