CN212905829U - Waterproof dirt-proof LED backlight - Google Patents
Waterproof dirt-proof LED backlight Download PDFInfo
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- CN212905829U CN212905829U CN202022369701.6U CN202022369701U CN212905829U CN 212905829 U CN212905829 U CN 212905829U CN 202022369701 U CN202022369701 U CN 202022369701U CN 212905829 U CN212905829 U CN 212905829U
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Abstract
The utility model discloses a waterproof and dustproof LED backlight source, which comprises a protective seat, wherein a backlight source is fixedly arranged inside the protective seat, a damp-proof plate is fixedly connected at the bottom end of the backlight source, the damp-proof plate comprises a light source, a light guide plate and a diffusion plate, the top of the light source is fixedly provided with the light guide plate, one side of the light guide plate, which is far away from the light source, is fixedly connected with one side of the diffusion plate, the protective seat consists of a transparent wear-resistant layer, a transparent waterproof layer and a base material layer, a micro-fan is fixedly arranged at the bottom of the protective seat, the output end of the micro-fan is fixedly communicated with one end of an air pipe, and rubber blocks are fixedly arranged at the corners of the protective seat respectively. Prevent the machine from intaking and causing destruction to the backlight circuit, it is very convenient to use.
Description
Technical Field
The utility model relates to a backlight field specifically is a waterproof dirt-proof LED backlight.
Background
The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module. The liquid crystal display itself does not emit light, and it displays a pattern or a character as a result of its modulation of light, and the backlight is generally mainly composed of a light source, a light guide plate, an optical film, and the like. The backlight source has the characteristics of high brightness, long service life, uniform light emission and the like. At present, there are three types of backlight sources, i.e., EL, CCFL and LED, which are classified into edge type and direct type according to the distribution position of the light source. As LCD modules are continuously developed to be brighter, lighter and thinner, the side-light CCFL backlight becomes the mainstream of backlight development at present.
Current LED backlight simple structure, generally be the light source, parts such as light guide plate and diffuser plate an organic whole are made and are installed in the inside of display, outside dust can get into inside the display in the use, long-time effect can be attached to the surface of backlight simultaneously, reduce the effect of light scattering, influence the heat dissipation simultaneously, the life of backlight has been shortened, current backlight water-proof effects is poor simultaneously, in case inside intaking, can cause the circuit board short circuit, directly cause the machine paralysis to scrap, it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof dirt-proof LED backlight, with current LED backlight simple structure who proposes in solving above-mentioned background art, generally be the light source, part an organic whole such as light guide plate and diffuser plate is made and is installed in the inside of display, outside dust can get into inside the display in the use, long-time effect can adhere to the surface at the backlight simultaneously, reduce the effect of light scattering, influence the heat dissipation simultaneously, the life of backlight has been shortened, current backlight water-proof effects is poor simultaneously, in case inside intaking, can cause the circuit board short circuit, directly cause the machine to be paralyzed, it is inconvenient to use.
In order to achieve the above object, the utility model provides a following technical scheme: a waterproof and dustproof LED backlight source comprises a protective seat, a backlight source is fixedly arranged in the protective seat, the bottom end of the backlight source is fixedly connected with a moisture-proof plate, the moisture-proof plate comprises a light source, a light guide plate and a diffusion plate, and the top of the light source is fixedly provided with a light guide plate, one side of the light guide plate far away from the light source is fixedly connected with one side of a diffusion plate, the protective seat consists of a transparent wear-resistant layer, a transparent waterproof layer and a substrate layer, one side of the transparent wear-resistant layer is fixedly connected with one side of the transparent waterproof layer, the other side of the transparent waterproof layer is fixedly connected with one side of the substrate layer, the bottom of the protective seat is fixedly provided with a micro-fan, the output end of the micro-fan is fixedly communicated with one end of the air pipe, and the air outlet of the air pipe extends to one side of the top of the protection seat, and rubber blocks are fixedly mounted at the corners of the protection seat.
As a preferred technical scheme of the utility model, the equal fixedly connected with installation piece of corner of protection seat bottom, micro-fan passes through external switch and external power supply electric connection.
As an optimal technical scheme of the utility model, protection seat formula structure as an organic whole, transparent wearing layer is made by polyvinyl chloride, transparent waterproof layer is made by transparent water proof coating, the substrate layer is made by the polypropylene.
As an optimal technical scheme of the utility model, the top fixedly connected with waterproof board of backlight, one side of waterproof board scribbles transparent waterproof paint.
As a preferred technical scheme of the utility model, equal fixed mounting all around of protection seat inner wall has dustproof the pad, logical line hole has been seted up to one side of protection seat, the inner wall fixed cover that leads to the line hole is equipped with the sealing washer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the micro fan, the air pipe and the dustproof pad are arranged, so that external dust floats inside the machine in the use process, the dust is prevented from entering the interior of the backlight source under the action of the dustproof pad on the inner wall of the protective seat in a sealing mode, meanwhile, the micro fan runs and blows air to the surface of one side of the backlight source, the dust is prevented from standing and falling on the surface of the backlight source, the dustproof performance of the backlight source is improved, and the service life of the backlight source is prolonged;
2. set up protection seat and waterproof board, and the inside transparent waterproof layer that is equipped with of protection seat, adopt transparent waterproof coating to make, prevent intaking all around of backlight, inside the waterproof board at backlight top prevented that the infiltration light source from intaking at the top simultaneously, improved the waterproof performance of backlight greatly, prevent that the machine from intaking from causing destruction to the backlight circuit, it is very convenient to use.
Drawings
Fig. 1 is a perspective view of a backlight of the present invention;
fig. 2 is a front sectional view of the present invention;
FIG. 3 is a schematic diagram of a backlight according to the present invention;
fig. 4 is a structural diagram of the protective seat of the present invention.
In the figure: 1. a protective seat; 2. a backlight source; 3. a waterproof sheet; 4. a light source; 5. a light guide plate; 6. a diffusion plate; 7. a rubber block; 8. a transparent wear layer; 9. a transparent waterproof layer; 10. a substrate layer; 11. a dust-proof pad; 12. mounting blocks; 13. a micro fan; 14. an air duct; 15. a moisture-proof plate.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a waterproof and dustproof LED backlight source, which comprises a protection seat 1, a backlight source 2 is fixedly installed inside the protection seat 1, a damp-proof board 15 is fixedly connected to the bottom end of the backlight source 2, the damp-proof board 15 comprises a light source 4, a light guide plate 5 and a diffusion plate 6, the top of the light source 4 is fixedly installed with the light guide plate 5, one side of the light guide plate 5 far away from the light source 4 is fixedly connected to one side of the diffusion plate 6, the protection seat 1 is composed of a transparent wear-resistant layer 8, a transparent waterproof layer 9 and a substrate layer 10, one side of the transparent wear-resistant layer 8 is fixedly connected to one side of the transparent waterproof layer 9, the other side of the transparent waterproof layer 9 is fixedly connected to one side of the substrate layer 10, a micro-fan 13 is fixedly installed at the bottom of the protection seat 1, the output end of the micro-fan, the corners of the protective seat 1 are fixedly provided with rubber blocks 7.
Preferably, the corners of the bottom of the protective seat 1 are fixedly connected with mounting blocks 12, the micro fan 13 is electrically connected with an external power supply through an external switch, and the mounting blocks 12 are arranged to facilitate the installation of the LED backlight source.
Preferably, protection seat 1 formula structure as an organic whole, transparent wearing layer 8 is made by polyvinyl chloride, and transparent waterproof layer 9 is made by transparent water proof coating, and substrate layer 10 is made by polypropylene, sets up transparent wearing layer 8 and reduces the degree of wear of protection seat 1, sets up transparent waterproof layer 9 and prevents that water from getting into backlight 2 and causing the short circuit.
Preferably, the top fixedly connected with waterproof board 3 of backlight 2, one side of waterproof board 3 scribbles transparent waterproof paint, sets up waterproof board 3 and transparent waterproof paint and prevents that the top of backlight 2 from intaking.
Preferably, all fixed mounting all around of protection seat 1 inner wall has dustproof pad 11, and the through hole has been seted up to one side of protection seat 1, and the fixed cover of inner wall that leads to the hole is equipped with the sealing washer, sets up dustproof pad 11 and prevents that the dust from getting into the inside of protection seat 1, establishes the circuit that the through hole is convenient for alternate the connection, sets up the sealing washer and improves the leakproofness.
When the waterproof and dustproof LED backlight source is used in a long time, external dust floats inside the machine, the dustproof pad 11 arranged on the inner wall of the protective seat 1 plays a role in sealing to prevent the dust from entering the backlight source 2, the micro fan 13 can run simultaneously through the external switch, and the air pipe 14 blows towards the surface of one side of the backlight source 2 to prevent the dust from standing and falling on the surface of the backlight source 2 to influence light, thereby improving the dustproof performance of the backlight source 2, prolonging the service life of the backlight source 2, the transparent waterproof layer 9 is arranged inside the protective seat 1 and is made of transparent waterproof paint to prevent the water from entering the periphery of the backlight source 2, meanwhile, the waterproof plate 3 at the top of the backlight source 2 prevents the water from entering the light source 4, greatly improving the waterproof performance of the backlight source, and preventing the short circuit caused by the water entering the machine, the use is very convenient.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a waterproof dirt-proof LED backlight, includes protection seat (1), its characterized in that: the protection seat is characterized in that a backlight source (2) is fixedly arranged in the protection seat (1), a damp-proof plate (15) is fixedly connected to the bottom end of the backlight source (2), the damp-proof plate (15) comprises a light source (4), a light guide plate (5) and a diffusion plate (6), the light guide plate (5) is fixedly arranged at the top of the light source (4), one side of the light source (4) away from the light guide plate (5) is fixedly connected with one side of the diffusion plate (6), the protection seat (1) is composed of a transparent wear-resistant layer (8), a transparent waterproof layer (9) and a base material layer (10), one side of the transparent wear-resistant layer (8) is fixedly connected with one side of the transparent waterproof layer (9), the other side of the transparent waterproof layer (9) is fixedly connected with one side of the base material layer (10), a micro-fan (13) is fixedly arranged at the bottom of the protection seat (1), and the output end of, and the air outlet of the air pipe (14) extends to one side of the top of the protection seat (1), and rubber blocks (7) are fixedly mounted at the corners of the protection seat (1).
2. The waterproof and dustproof LED backlight source of claim 1, wherein: the corner of the bottom of the protective seat (1) is fixedly connected with an installation block (12), and the micro fan (13) is electrically connected with an external power supply through an external switch.
3. The waterproof and dustproof LED backlight source of claim 1, wherein: protection seat (1) formula structure as an organic whole, transparent wearing layer (8) are made by polyvinyl chloride, transparent waterproof layer (9) are made by transparent water proof coating, substrate layer (10) are made by polypropylene.
4. The waterproof and dustproof LED backlight source of claim 1, wherein: the top fixedly connected with waterproof board (3) of backlight (2), one side of waterproof board (3) scribbles transparent waterproof paint.
5. The waterproof and dustproof LED backlight source of claim 1, wherein: all fixed mounting all around of protection seat (1) inner wall has dustproof pad (11), logical line hole has been seted up to one side of protection seat (1), the inner wall fixed cover that leads to the line hole is equipped with the sealing washer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022369701.6U CN212905829U (en) | 2020-10-22 | 2020-10-22 | Waterproof dirt-proof LED backlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022369701.6U CN212905829U (en) | 2020-10-22 | 2020-10-22 | Waterproof dirt-proof LED backlight |
Publications (1)
Publication Number | Publication Date |
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CN212905829U true CN212905829U (en) | 2021-04-06 |
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CN202022369701.6U Active CN212905829U (en) | 2020-10-22 | 2020-10-22 | Waterproof dirt-proof LED backlight |
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CN (1) | CN212905829U (en) |
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2020
- 2020-10-22 CN CN202022369701.6U patent/CN212905829U/en active Active
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