CN213453151U

CN213453151U - LED backlight source

Info

Publication number: CN213453151U
Application number: CN202022960462.1U
Authority: CN
Inventors: 伯红权
Original assignee: Dongguan Yusheng Electronic Technology Co ltd
Current assignee: Dongguan Yusheng Electronic Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-06-15
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a LED backlight source, which comprises an LED backlight source body, a light guide membrane, a heat dissipation device and a fixing device, wherein the front end inside the LED backlight source body is provided with the light guide membrane, the outer circumference of the light guide membrane is fixedly distributed with convex blocks, the inner circumference of the LED backlight source body is distributed with grooves, the inner side end inside the LED backlight source body is provided with a backlight bottom plate, the front end of the backlight bottom plate is distributed with a light strip plate, the front end of the light strip plate is distributed with LED lamp beads, the inner part of the backlight bottom plate is distributed with through holes, the inner circumference of the LED backlight source body is provided with heat dissipation grooves, the outer circumference of the LED backlight source body is fixedly distributed with the heat dissipation device, which relates to the technical field of the LED backlight source, improves the brightness of the whole backlight source, is uniform and effective, but the efficient heat dissipation, with low costs, ventilation effect is good, and miniature brushless motor drives radiator fan and rotates the heat dissipation of airing exhaust.

Description

LED backlight source

Technical Field

The utility model relates to a LED backlight technical field specifically is a LED backlight.

Background

Light emitting diodes are referred to as LEDs for short. Is made of a compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc. When electrons and holes are recombined, visible light is radiated, so that the light-emitting diode can be manufactured. In circuits and instruments as indicator lights or to form text or numerical displays. Gallium arsenide diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and gallium nitride diodes emit blue light. Organic light emitting diodes OLED and inorganic light emitting diodes LED are classified by their chemical properties. Pulled by the market of inorganic light-emitting diodes (LEDs), the backlight industry presents a splendid scene.

The whole luminance of current LED backlight is low, and is inhomogeneous, inconvenient installation and dismantlement, and stability can not enough, may vibrate the pine and take off, and the radiating effect is poor, and is with high costs, can not adopt relevant equipment to exhaust the heat dissipation, and long-time the use can lead to whole hair to scald, and the security performance is not enough.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a LED backlight has solved the whole luminance of current LED backlight and has low, inhomogeneous, inconvenient installation dismantlement, and stability can not be enough, can vibrate the pine and take off, and the radiating effect is poor, and is with high costs, can not adopt relevant equipment to air exhaust the heat dissipation, uses for a long time and probably leads to wholly sending out the problem of scalding, the security performance is not enough.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an LED backlight source comprises an LED backlight source body, a light guide film, a heat dissipation device and a fixing device, the front end of the interior of the LED backlight source body is provided with a light guide film, a circle of the outer side of the light guide film is fixedly distributed with convex blocks, grooves are distributed on the periphery of the inner side of the LED backlight source body, a backlight bottom plate is arranged at the inner side end of the LED backlight source body, the front end of the backlight bottom plate is distributed with a light strip plate, the front end of the light strip plate is distributed with LED lamp beads, through holes are distributed in the backlight bottom plate, heat dissipation grooves are distributed on the periphery of the inner side of the LED backlight source body, a heat dissipation device is fixedly distributed on the periphery of the outer side of the LED backlight source body, a heat dissipation fan is arranged at the bottom of the inner side of the heat dissipation device, the bottom of the heat radiation fan is electrically connected with a miniature brushless motor, and flow deflectors are fixedly distributed at two ends of the inner side of the heat radiation device.

Preferably, the middle of the top of the LED backlight body is electrically connected with a power supply connecting wire, and a power socket is fixedly arranged at the top of the power supply connecting wire.

Preferably, the lamp strip plate and the LED lamp beads form a uniformly distributed net structure.

Preferably, the inside bonding of leaded light diaphragm distributes and has diffuser plate, membrane and PET membrane add lustre to, the outside edge of diffuser plate, membrane and PET membrane all adopts the insulating cement to bond.

Preferably, the guide plate is of a right-angled triangle structure, and the heat dissipation device and the heat dissipation groove are of a connection and intercommunication structure.

Preferably, the top and the bottom inner side ends of the heat dissipation device are fixedly welded with mounting plates, and threaded holes are formed in the mounting plates.

(III) advantageous effects

The utility model provides a LED backlight. The method has the following beneficial effects:

(1) this LED backlight through the leaded light diaphragm that sets up at the inside front end of LED backlight body, has improved the luminance of whole backlight, and is even effective, through the lug at leaded light diaphragm outside a week fixed distribution and the recess of the inboard a week distribution of LED backlight body, is convenient for correspond the installation fixed, and stability can be high, prevents that the vibration pine from taking off.

(2) This LED backlight, through the through-hole that distributes in the inside bottom plate that is shaded and the radiating groove that distributes is seted up to the inboard a week of LED backlight body, but the efficient heat dissipation, with low costs, ventilation effect is good, through the heat abstractor at LED backlight body outside a week fixed distribution, is convenient for directly drive radiator fan through miniature brushless motor and rotates the heat dissipation of airing exhaust to through the guide plate at heat abstractor's inboard both ends fixed distribution, further improved the radiating effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the light strip plate of the present invention;

FIG. 3 is a schematic view of the light guide film structure of the present invention;

fig. 4 is a schematic structural view of the heat dissipation device of the present invention.

In the figure, an LED backlight source body 1, a light guide film 2, a heat dissipation device 3, a fixing device 4, a power connection line 5, a backlight bottom plate 6, a light bar plate 7, LED lamp beads 8, through holes 9, grooves 10, heat dissipation grooves 11, bumps 12, a heat dissipation fan 13, a micro brushless motor 14, a flow guide plate 15, and an installation plate 16.

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, an embodiment of the present invention provides a technical solution: an LED backlight source comprises an LED backlight source body 1, a light guide membrane 2, a heat dissipation device 3 and a fixing device 4, wherein the light guide membrane 2 is arranged at the front end inside the LED backlight source body 1, convex blocks 12 are fixedly distributed on the periphery of the outer side of the light guide membrane 2, grooves 10 are distributed on the periphery of the inner side of the LED backlight source body 1, a backlight bottom plate 6 is arranged at the inner side end inside the LED backlight source body 1, a light strip plate 7 is distributed on the front end of the backlight bottom plate 6, LED lamp beads 8 are distributed on the front end of the light strip plate 7, through holes 9 are distributed on the inner part of the backlight bottom plate 6, heat dissipation grooves 11 are distributed on the periphery of the inner side of the LED backlight source body 1, the heat dissipation device 3 is fixedly distributed on the periphery of the outer side of the LED backlight source body 1, a heat dissipation fan 13 is arranged at the bottom, and guide plates 15 are fixedly distributed at two ends of the inner side of the heat dissipation device 3.

Electrically connected has power connecting wire 5 in the middle of the top of LED backlight body 1, the fixed power socket that is equipped with in top of power connecting wire 5, the direct fixed connection power of pegging graft of convenient being convenient for.

The light bar plate 7 and the LED lamp beads 8 form a net structure which is uniformly distributed, so that the light is more uniform in light emitting.

The inside bonding of leaded light diaphragm 2 distributes and has diffuser plate, membrane and PET membrane that adds lustre to, the outside edge of diffuser plate, membrane and PET membrane all adopts the insulating cement to bond, and the installation of being convenient for is placed, and printing opacity and spotlight are effectual.

The guide plate 15 is of a right-angled triangle structure, the heat dissipation device 3 and the heat dissipation groove 11 are of a connection and intercommunication structure, and the air guide plate is good in flow guide effect and good in air outlet effect.

The equal fixed welding of heat abstractor 3's top and bottom medial extremity has mounting panel 16, threaded hole is seted up to mounting panel 16's inside, is convenient for directly adopt the bolt location installation, dismantles simply.

The working principle is as follows: the luminance of whole backlight has been improved through the leaded light diaphragm 2 of the inside front end of LED backlight body 1, it is even effective, lug 12 through leaded light diaphragm 2 outside a week fixed distribution and the recess 10 of the inboard a week distribution of LED backlight body 1 correspond the installation fixed, high stability can, prevent the vibration pine and take off, set up the radiating groove 11 efficient heat dissipation of distribution through the through-hole 9 of the inside distribution of bottom plate 6 in a poor light and the inboard a week of LED backlight body 1, ventilation effect is good, heat abstractor 3 through LED backlight body 1 outside a week fixed distribution directly drives radiator fan 13 through miniature brushless motor 14 and rotates the heat dissipation of airing exhaust, and guide plate 15 through the inboard both ends fixed distribution of heat abstractor 3 has further improved the radiating effect.

The utility model discloses a LED backlight body 1, light guide diaphragm 2, heat abstractor 3, fixing device 4, power connecting wire 5, backlight bottom plate 6, light slat 7, LED lamp pearl 8, through-hole 9, recess 10, radiating groove 11, lug 12, radiator fan 13, miniature brushless motor 14, guide plate 15, mounting panel 16, the part is general standard or the part that technical staff knows, its structure and principle all can be known through the technical manual or through conventional experimental method to this technical staff, the problem that the utility model solves is that the existing LED backlight has low overall brightness, it is inhomogeneous, inconvenient installation and disassembly, stability is not enough, may vibrate the pine and take off, the radiating effect is poor, with high costs, can not adopt relevant equipment to exhaust and dispel the heat, long-time use may lead to whole scalding, the security performance is not enough, the utility model discloses a mutual combination of the above-mentioned parts, the luminance of whole backlight has been improved, and is even effective, and it is fixed to be convenient for correspond the installation, and stability can be high, prevents that the vibration pine from taking off, but the efficient heat dissipation, and is with low costs, and ventilation effect is good, rotates the heat dissipation of airing exhaust, has further improved the radiating effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An LED backlight, characterized in that: the LED backlight source comprises an LED backlight source body (1), a light guide membrane (2), a heat dissipation device (3) and a fixing device (4), wherein the light guide membrane (2) is arranged at the front end inside the LED backlight source body (1), lugs (12) are fixedly distributed on the periphery of the outer side of the light guide membrane (2), grooves (10) are distributed on the periphery of the inner side of the LED backlight source body (1), a backlight bottom plate (6) is arranged at the inner side end inside the LED backlight source body (1), a light strip plate (7) is distributed at the front end of the backlight bottom plate (6), LED lamp beads (8) are distributed at the front end of the light strip plate (7), through holes (9) are distributed in the backlight bottom plate (6), heat dissipation grooves (11) are distributed on the periphery of the inner side of the LED backlight source body (1), and the heat dissipation device (3) is fixedly distributed, the heat dissipation device is characterized in that a heat dissipation fan (13) is arranged at the bottom of the inner side of the heat dissipation device (3), the bottom of the heat dissipation fan (13) is electrically connected with a miniature brushless motor (14), and guide plates (15) are fixedly distributed at two ends of the inner side of the heat dissipation device (3).

2. The LED backlight of claim 1, wherein: the LED backlight source comprises an LED backlight source body (1), and is characterized in that a power supply connecting wire (5) is electrically connected in the middle of the top of the LED backlight source body (1), and a power socket is fixedly arranged on the top of the power supply connecting wire (5).

3. The LED backlight of claim 1, wherein: the light bar plate (7) and the LED lamp beads (8) form a uniformly distributed net structure.

4. The LED backlight of claim 1, wherein: the inside bonding of leaded light diaphragm (2) distributes and has diffuser plate, membrane of adding lustre to and PET membrane, the outside edge of diffuser plate, membrane of adding lustre to and PET membrane all adopts the insulating cement to bond.

5. The LED backlight of claim 1, wherein: the guide plate (15) is of a right-angled triangle structure, and the heat dissipation device (3) and the heat dissipation groove (11) are of a connection and intercommunication structure.

6. The LED backlight of claim 1, wherein: the top and bottom inner side ends of the heat dissipation device (3) are fixedly welded with mounting plates (16), and threaded holes are formed in the mounting plates (16).