CN217519702U - Large-area dodging type bottom backlight source - Google Patents
Large-area dodging type bottom backlight source Download PDFInfo
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- CN217519702U CN217519702U CN202220983377.3U CN202220983377U CN217519702U CN 217519702 U CN217519702 U CN 217519702U CN 202220983377 U CN202220983377 U CN 202220983377U CN 217519702 U CN217519702 U CN 217519702U
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Abstract
The utility model relates to a dodging type bottom backlight of large tracts of land, include: the backlight support plate is used for being assembled with external equipment, a packaging frame is arranged on the backlight support plate, and a reflective film is arranged on the inner wall of the packaging frame; the light source module is borne on the backlight carrier plate and positioned in the packaging frame, and comprises an aluminum substrate and a plurality of LED lamp beads arranged on the aluminum substrate in an array manner; the transparent protective plate is borne on the top of the packaging frame, an antireflection film and a diffusion plate are sequentially arranged on the inner wall of the transparent protective plate, and the transparent protective plate, the antireflection film and the diffusion plate are fixed in a pressing mode. LED lamp pearl array distribution, and reflectance coating and diffuser plate can constitute a light reflection space, and the illumination light carries out multiple reflection, diffusion homogenization through reflectance coating, diffuser plate, and the light that finally adds lustre to rectifies and jets out from transparent protection shield after the exit angle through the membrane to the light that sends is more even, and illumination area is bigger, illuminating effect is better.
Description
Technical Field
The utility model relates to a light source technical field, in particular to even light type bottom backlight of large tracts of land.
Background
Modern illumination light sources mainly adopt electric light sources (i.e. light sources for converting electric energy into light energy), and are generally divided into three categories, namely heat radiation light sources, gas discharge light sources and semiconductor light sources.
The visual lighting source is widely applied to defect detection, wherein a large-breadth high-brightness backlight source is required to be adopted when detecting defects of products such as cloth, printed matters, industrial parts and the like. The existing backlight usually adopts an LED lamp strip as a light-emitting source, so that the situation of uneven illumination is easy to occur during use, the light source illumination area is smaller, and the illumination effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a dodging type bottom backlight of large tracts of land has the advantage that illumination is even, illuminating effect is good.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a large area, uniform bottom backlight, comprising:
the backlight support plate is used for being assembled with external equipment, a packaging frame is arranged on the backlight support plate, and a reflective film is arranged on the inner wall of the packaging frame;
the light source module is borne on the backlight carrier plate and positioned in the packaging frame, and comprises an aluminum substrate and a plurality of LED lamp beads arranged on the aluminum substrate in an array manner;
the transparent protective plate is borne on the top of the packaging frame, an antireflection film and a diffusion plate are sequentially arranged on the inner wall of the transparent protective plate, and the transparent protective plate, the antireflection film and the diffusion plate are fixed in a pressing mode.
When the technical scheme is realized, illumination light is emitted by the light source module for illumination, and the LED lamp beads are distributed in an array manner, so that the illumination of each LED lamp bead is more uniform when the light source module works, meanwhile, a light reflection space can be formed by the reflection film and the diffusion plate, the illumination light is subjected to multiple reflection and diffusion homogenization through the reflection film and the diffusion plate, and finally, the illumination light is emitted from the transparent protection plate after the emergent angle is corrected through the brightness enhancement film, so that the emitted light is more uniform, the illuminating area is larger, and the illuminating effect is better; in the working process of the light source module, heat generated by the LED lamp beads is transmitted to the backlight support plate through the aluminum substrate, continuous heat dissipation is realized by convection generated between the backlight support plate and air, so that the LED lamp beads can work in a reliable temperature range, the continuous and stable operation of illumination can be ensured, and the transparent protection plate can be used for protecting the antireflection film, the diffusion plate and the light source module.
As an optimized scheme of the utility model, aluminium base board with be equipped with heat conduction silicone grease coating between the support plate in a poor light.
By the technical scheme, the thermal resistance of heat conduction of the light source component to the backlight carrier plate in work can be effectively reduced.
As an optimized scheme of the utility model, the back of the backlight support plate is equipped with a plurality of heat radiation fins of evenly arranging.
By the technical scheme, the heat dissipation area can be increased through the heat dissipation fins, and the heat dissipation efficiency and the heat dissipation effect are improved.
As a preferred scheme of the utility model, the side of encapsulation frame be equipped with the water joint that the light source module is connected, water joint is connected with external drive controller through the interface line.
By the technical scheme, the light source is convenient to control and drive.
As a preferred scheme of the utility model, the both sides of support plate in a poor light are equipped with the spread groove.
By the technical scheme, the backlight carrier plate is conveniently connected with external equipment.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides a through providing a dodging type bottom backlight of large tracts of land, include: the backlight support plate is used for being assembled with external equipment, a packaging frame is arranged on the backlight support plate, and a reflective film is arranged on the inner wall of the packaging frame; the light source module is borne on the backlight carrier plate and positioned in the packaging frame, and comprises an aluminum substrate and a plurality of LED lamp beads arranged on the aluminum substrate in an array manner; the transparent protective plate is borne on the top of the packaging frame, an antireflection film and a diffusion plate are sequentially arranged on the inner wall of the transparent protective plate, and the transparent protective plate, the antireflection film and the diffusion plate are fixed in a pressing mode. When the LED lamp is used, the light source module emits illumination light to illuminate, the LED lamp beads are distributed in an array mode, so that the illumination of each LED lamp bead is more uniform when the light source module works, meanwhile, the reflecting film and the diffusion plate can form a light reflecting space, the illumination light is reflected for many times and diffused and homogenized through the reflecting film and the diffusion plate, and finally, the illumination light is emitted from the transparent protection plate after the emergent angle is corrected through the brightness enhancement film, so that the emitted light is more uniform, the illumination area is larger, and the illumination effect is better; in the working process of the light source module, heat generated by the LED lamp beads is transmitted to the backlight support plate through the aluminum substrate, continuous heat dissipation is realized by convection generated between the backlight support plate and air, so that the LED lamp beads can work in a reliable temperature range, the continuous and stable operation of illumination can be ensured, and the transparent protection plate can be used for protecting the antireflection film, the diffusion plate and the light source module.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a light source module according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a backlight carrier in an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a backlight carrier plate; 11. packaging the frame; 12. a light-reflecting film; 13. a heat-conductive silicone grease coating; 14. heat dissipation fins; 15. connecting grooves; 2. a light source module; 21. an aluminum substrate; 22. LED lamp beads; 3. a transparent protective plate; 31. an anti-reflection film; 32. a diffusion plate; 4. a waterproof joint; 41. and connecting an interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Examples
A large area dodging bottom backlight, as shown in fig. 1-4, comprising: the backlight carrier plate 1 is used for being assembled with external equipment, two sides of the backlight carrier plate 1 are provided with connecting grooves 15 for embedding connecting pieces so as to connect the backlight carrier plate 1 with the external equipment, the backlight carrier plate 1 is provided with a packaging frame 11, and the inner wall of the packaging frame 11 is provided with a reflecting film 12; the light source module 2 is borne on the backlight carrier 1 and is positioned in the packaging frame 11; the transparent protection plate 3 is loaded on the top of the packaging frame 11, the inner wall of the transparent protection plate 3 is sequentially provided with an antireflection film 31 and a diffusion plate 32, and the transparent protection plate 3, the antireflection film 31 and the diffusion plate 32 are fixed in a pressing mode.
Specifically, the light source module 2 comprises an aluminum substrate 21 and a plurality of LED lamp beads 22 arranged on the aluminum substrate 21 in an array mode, the LED lamp beads 22 can adopt high-power surface-mounted LED lamp beads 22 to generate larger illumination through the LED lamp beads 22, the uniform illumination emitted during working can reach 30-50 thousands of LUXs, the heat conduction efficiency is high by adopting an aluminum substrate 2121, and the heat dissipation efficiency can be further improved.
Further, a heat-conducting silicone grease coating 13 is arranged between the aluminum substrate 21 and the backlight carrier plate 1, and the heat-conducting silicone grease coating 13 is filled in a gap between the aluminum substrate 21 and the backlight carrier plate 1, so that the thermal resistance of the light source assembly conducting heat to the backlight carrier plate 1 in operation can be effectively reduced. Meanwhile, the back of the backlight carrier plate 1 is provided with a plurality of uniformly arranged heat dissipation fins 14, so that the heat dissipation area can be increased through the heat dissipation fins 14, and the heat dissipation efficiency and the heat dissipation effect are improved.
The side of the packaging frame 11 is provided with a waterproof connector 4 connected with the light source module 2, and the waterproof connector 4 is connected with an external driving controller through an interface connecting wire 41 so as to facilitate the control and driving of the light source.
When the LED lamp is used, the light source module 2 emits illumination light for illumination, and the LED lamp beads 22 are distributed in an array mode, so that the illumination of each LED lamp bead 22 is more uniform when the light source module 2 works, meanwhile, a light reflection space can be formed by the reflection film and the diffusion plate 32, the illumination light is reflected for multiple times and diffused and homogenized through the reflection film and the diffusion plate 32, and finally, the illumination light is emitted from the transparent protection plate 3 after the emergent angle is corrected through the brightness enhancement film, so that the emitted light is more uniform, the illumination area is larger, and the illumination effect is better; in the working process of the light source module, heat generated by the LED lamp beads 22 is transferred to the backlight carrier plate 1 through the aluminum substrate 21, and continuous heat dissipation is realized by convection generated between the backlight carrier plate 1 and air, so as to ensure that the LED lamp beads 22 can work in a reliable temperature range, ensure that the illumination work can be continuously and stably performed, and protect the antireflection film 31, the diffusion plate 32 and the light source module 2 through the transparent protection plate 3.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A large area, uniform bottom backlight, comprising:
the backlight support plate is used for being assembled with external equipment, a packaging frame is arranged on the backlight support plate, and a reflective film is arranged on the inner wall of the packaging frame;
the light source module is borne on the backlight carrier plate and positioned in the packaging frame, and comprises an aluminum substrate and a plurality of LED lamp beads arranged on the aluminum substrate in an array manner;
the transparent protective plate is borne on the top of the packaging frame, an antireflection film and a diffusion plate are sequentially arranged on the inner wall of the transparent protective plate, and the transparent protective plate, the antireflection film and the diffusion plate are fixed in a pressing mode.
2. The large area, uniform bottom backlight of claim 1, wherein a thermal grease coating is disposed between said aluminum substrate and said backlight carrier.
3. The large area uniform bottom backlight source as claimed in claim 1 or 2, wherein the back of the backlight carrier is provided with a plurality of uniformly arranged heat dissipation fins.
4. The large area uniform bottom backlight according to claim 3, wherein a waterproof connector connected to the light source module is disposed on a side of the package frame, and the waterproof connector is connected to an external driving controller via an interface connection line.
5. The large area dodging bottom backlight of claim 1, wherein said backlight carrier has connecting grooves on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983377.3U CN217519702U (en) | 2022-04-26 | 2022-04-26 | Large-area dodging type bottom backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983377.3U CN217519702U (en) | 2022-04-26 | 2022-04-26 | Large-area dodging type bottom backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217519702U true CN217519702U (en) | 2022-09-30 |
Family
ID=83371772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220983377.3U Active CN217519702U (en) | 2022-04-26 | 2022-04-26 | Large-area dodging type bottom backlight source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217519702U (en) |
-
2022
- 2022-04-26 CN CN202220983377.3U patent/CN217519702U/en active Active
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