CN210864270U - Backlight assembly and liquid crystal display device having the same - Google Patents
Backlight assembly and liquid crystal display device having the same Download PDFInfo
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- CN210864270U CN210864270U CN201921759847.2U CN201921759847U CN210864270U CN 210864270 U CN210864270 U CN 210864270U CN 201921759847 U CN201921759847 U CN 201921759847U CN 210864270 U CN210864270 U CN 210864270U
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- heat dissipation
- mounting
- backlight assembly
- light emitting
- emitting unit
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Abstract
The utility model discloses a backlight assembly and have liquid crystal display device of this subassembly, include: the substrate is provided with at least one concave part; the mounting plates are arranged in one-to-one correspondence with the concave parts and are mounted in the concave parts; the light-emitting unit is fixed on the mounting plate; the heat dissipation unit comprises a plurality of heat dissipation pieces, the heat dissipation pieces are fixed on the back face of the light emitting unit, and the heat dissipation pieces are in strip shapes or in grid shapes or in honeycomb shapes and distributed on the back face of the mounting plate. The whole device structure sets up rationally, sets up the radiating element through one side at the mounting panel, and the radiating element of radiating element is strip or latticed or honeycomb and distributes on the back of mounting panel, uses with the cooperation of concave part, has increased heat radiating area, and then has improved backlight unit's heat-sinking capability, avoids using outside heat dissipation equipment simultaneously, has avoided the noise that outside heat dissipation equipment produced, has improved user experience.
Description
Technical Field
The utility model relates to a liquid crystal display technology field, concretely relates to backlight assembly and have liquid crystal display device of this subassembly.
Background
The liquid crystal module comprises a liquid crystal panel, a mechanism frame, an optical member, and the like. Since the liquid crystal itself does not emit Light, some backlight sources need to be configured to display the image, and at present, LEDs (Light Emitting diodes) are generally used as the backlight sources. When the backlight module is used outdoors, because the ambient brightness is high, the liquid crystal module can display the picture only by improving the brightness of the backlight source to meet the display effect, the mode of improving the brightness of the backlight source usually adopts increasing the number of the LED lamp tubes or increasing the power of the LED lamp tubes, and the problem is that, as the quantity of the LED lamp tubes is increased or the power of the LED lamp tubes is increased, the LED light source can generate more heat in the working process, and after the LED lamp tubes are operated for a long time, the brightness of the LED can be reduced and the service life of the LED can be influenced, therefore, it is necessary to perform heat dissipation treatment, in the prior art, a fan is mostly used to dissipate heat of the backlight source, when the temperature of the external environment is too high, the heat dissipation effect of the fan is poor, the use cost is additionally increased by adopting the fan for heat dissipation, noise is generated in the use process of the fan, the user experience is influenced, and therefore the problem needs to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
Therefore, the present invention is directed to overcoming the above-mentioned drawbacks of the prior art, and to provide a backlight assembly, including: the substrate is provided with at least one concave part; the mounting plates are arranged in one-to-one correspondence with the concave parts and are mounted in the concave parts; the light-emitting unit is fixed on the mounting plate; the heat dissipation unit comprises a plurality of heat dissipation pieces, the heat dissipation pieces are fixed on the back face of the light emitting unit, and the heat dissipation pieces are in strip shapes or in grid shapes or in honeycomb shapes and distributed on the back face of the mounting plate.
Furthermore, the mounting plate is provided with a mounting groove, and the light-emitting unit is mounted in the mounting groove.
Furthermore, the light emitting unit is a point light emitting unit, and the mounting grooves are a plurality of grooves which are uniformly distributed on the mounting plate in a point shape.
Furthermore, the light-emitting unit is a strip-shaped light-emitting unit, and the mounting groove is a strip-shaped mounting groove;
further, the heat dissipation piece is a heat dissipation strip, and the heat dissipation strip is arranged on the back of the strip-shaped mounting groove along the direction parallel to the strip-shaped mounting groove.
Further, the heat dissipation pieces are heat dissipation strips, and the heat dissipation strips are mutually crossed and arranged in a grid shape.
Further, still include a plurality of fixed parts, the one end of fixed part with base plate fixed connection, the other end extend to in the concave part and with mounting panel fixed connection.
Furthermore, the fixing part is a fixing plate, one end of the fixing plate is fixed at the edge of the substrate close to the concave part, and the other end of the fixing plate is fixedly connected with the part of the mounting plate, which is not provided with the mounting groove.
Further, be equipped with on the mounting panel one side of luminescence unit still has a plurality of supplementary radiating grooves, supplementary radiating groove with the mounting groove interval sets up.
Further, the area covered by the heat dissipation pieces is larger than the area of gaps among the heat dissipation pieces.
A liquid crystal display device comprising a backlight assembly as described above.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a backlight assembly, include: the substrate is provided with at least one concave part; the mounting plates are arranged in one-to-one correspondence with the concave parts and are mounted in the concave parts; the light-emitting unit is fixed on the mounting plate; the heat dissipation unit comprises a plurality of heat dissipation pieces, the heat dissipation pieces are fixed on the back face of the light emitting unit, and the heat dissipation pieces are in strip shapes or in grid shapes or in honeycomb shapes and distributed on the back face of the mounting plate. The whole device structure sets up rationally, set up luminescence unit and radiating element in the both sides of mounting panel, then fix the mounting panel on the concave part of base plate, the installation is swift, after the luminescence unit is ageing, be convenient for carry out the change of luminescence unit through the mode of dismantling the mounting panel, be convenient for maintain and change, resources are saved, use cost has effectively been reduced, through set up the radiating element in one side of mounting panel, the radiating element of radiating element is strip or latticed or honeycomb distribution on the back of mounting panel, use with the cooperation of concave part, heat radiating area has been increased, and then the heat-sinking capability of backlight unit has been improved, avoid using outside heat-radiating equipment simultaneously, the noise that outside heat-radiating equipment produced has been avoided, user experience has been improved.
2. The utility model provides a pair of among the backlight unit, still include a plurality of fixed parts, the one end of fixed part with base plate fixed connection, the other end extends to in the recess and with mounting panel fixed connection. The mounting plate and the base plate are mounted through the fixing portion, so that the mounting plate and the base plate can be mounted and dismounted conveniently, and then the light-emitting unit is dismounted and replaced from the mounting plate, and the brightness of the LED is prevented from being reduced.
3. The utility model provides a pair of liquid crystal display device, include as above a backlight unit. The device adopts the components, so that any one of the advantages of the backlight assembly is realized, the liquid crystal display module comprising the backlight assembly has good heat dissipation effect and display effect, and the damage rate and the maintenance rate of products are reduced.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 top view of a structure in which a light emitting unit is fixed to a mounting plate according to an embodiment of the present invention;
FIG. 2 is a side view of the connection structure of the mounting plate and the heat dissipating unit in FIG. 1;
FIG. 3 is a schematic view of a substrate;
FIG. 4 is a schematic structural view of the mounting plate after being connected to the substrate and the fixing plate;
description of reference numerals:
1. a substrate; 11. a recess;
2. mounting a plate; 21. mounting grooves;
3. a light emitting unit;
4. a heat dissipation unit; 41. a heat sink;
5. a fixed part.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
The utility model provides a liquid crystal display module assembly, including backlight unit and liquid crystal display panel, liquid crystal display panel in this embodiment is LCD liquid crystal display panel, and its self is luminous, need to cooperate backlight unit to use jointly, and wherein backlight unit is connected with external power supply as the light source, and the light source that sends provides LCD liquid crystal display.
Referring to fig. 1 to 4, a backlight assembly provided by the present invention is now described, the backlight assembly includes a substrate 1, a mounting plate 2, a light emitting unit 3 and a heat dissipating unit 4, in this embodiment, at least one recess 11 is formed on the substrate 1, the mounting plate 2 and the recess 11 are disposed in one-to-one correspondence and are mounted in the recess 11, the light emitting unit 3 is fixed on the mounting plate 2, specifically, a mounting groove 21 is formed on the mounting plate 2, the light emitting unit 3 is mounted in the mounting groove 21, so as to fix the light emitting unit 3, the fixing manner is simple, the mounting and the dismounting are convenient, and by disposing the mounting groove, the light emitting unit is fixed inside the mounting plate, hot air can be dissipated outwards along the mounting groove, the heat dissipating effect is improved, the heat dissipating unit 4 includes a plurality of heat dissipating members 41, wherein the heat dissipating members 41 are fixed on the back surface, specifically, the heat dissipation members 41 are distributed on the back surface of the mounting plate 2 in a strip shape, a grid shape, or a honeycomb shape.
In the present embodiment, referring to fig. 2, the heat dissipation members 41 cover an area larger than an area of a gap between the heat dissipation members 41. The area covered by the radiating pieces is larger than the gap area between the radiating pieces, so that the radiating area of the light-emitting unit in the working process can be ensured to be larger than the gap area, the radiating effect is ensured, and the problems of brightness reduction of the LED and influence on the service life of the LED are avoided.
In this embodiment, the light emitting unit 3 may also be a strip light emitting unit, and the mounting groove 21 is a strip mounting groove. Set up luminescence unit into some luminescence unit or strip luminescence unit, specific can be for LED bulb or lamp strip, the light source that its sent provides liquid crystal display, is fixed in the mounting groove with it in, is of value to improving its radiating effect. Of course, as an alternative embodiment, the light emitting unit 3 may also be a point light emitting unit, and the mounting grooves 21 are a plurality of grooves uniformly distributed in a point shape on the mounting plate 2.
The heat dissipation member 41 in this embodiment is a heat dissipation strip arranged on the back surface of the strip-shaped mounting groove in the direction parallel to the strip-shaped mounting groove. Of course, the heat dissipation strips in this embodiment may also be arranged on the back of the mounting groove in a grid shape intersecting with each other.
Referring to fig. 3 and 4, the backlight assembly further includes a plurality of fixing portions 5, wherein one end of each fixing portion 5 is fixedly connected to the substrate 1, and the other end of each fixing portion 5 extends into the corresponding recess 11 and is fixedly connected to the corresponding mounting plate 2, in this embodiment, each fixing portion 5 may be a fixing plate, one end of each fixing plate is fixed to the edge of the substrate 1, which is close to the corresponding recess 11, and the other end of each fixing plate is fixedly connected to a portion of the corresponding mounting plate 2, which is not provided with the corresponding mounting groove. Specifically, fix the mounting panel on the base plate through the fixed part, wherein can adopt welding or bolt-up's mode to install fixedly on fixed plate and base plate and the mounting panel, the mounting means is simple, damages or when ageing when the backlight unit, dismantles the mounting panel from the fixed plate down, then carries out old trade, the luminescence unit change of damage, can not dismantle holistic backlight unit, and work efficiency is high.
The mounting plate 2 is provided with a plurality of auxiliary radiating grooves (not shown in the figure) on one side of the light-emitting unit 3, and the auxiliary radiating grooves are arranged at intervals with the mounting grooves. In this embodiment, do not install the luminescence unit in the supplementary radiating groove in the use, set up supplementary radiating groove in one side of luminescence unit, improved the radiating effect.
The utility model discloses an assembling process: the light-emitting unit is fixed in the mounting groove of the mounting plate, then the mounting plate is integrally fixed in the concave part of the substrate through the fixing plate, and the heat dissipation piece is fixed on the back surface of the mounting plate, on which the light-emitting unit is not arranged, so that the assembly of the backlight assembly is completed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (11)
1. A backlight assembly, comprising:
the substrate is provided with at least one concave part;
the mounting plates are arranged in one-to-one correspondence with the concave parts and are mounted in the concave parts;
the light-emitting unit is fixed on the mounting plate;
the heat dissipation unit comprises a plurality of heat dissipation pieces, the heat dissipation pieces are fixed on the back face of the light emitting unit, and the heat dissipation pieces are in strip shapes or in grid shapes or in honeycomb shapes and distributed on the back face of the mounting plate.
2. The backlight assembly of claim 1, wherein the mounting plate is provided with a mounting groove, and the light emitting unit is mounted in the mounting groove.
3. The backlight assembly of claim 2, wherein the light emitting unit is a spot light emitting unit, and the mounting grooves are grooves uniformly distributed in a spot shape on the mounting plate.
4. The backlight assembly of claim 2, wherein the light emitting units are stripe-shaped light emitting units, and the mounting grooves are stripe-shaped mounting grooves.
5. The backlight assembly of claim 4, wherein the heat dissipating member is a heat dissipating strip disposed at a rear surface of the bar-shaped mounting groove in a direction parallel to the bar-shaped mounting groove.
6. The backlight assembly of claim 1, wherein the heat dissipation member is a heat dissipation strip, and the heat dissipation strips are arranged in a grid shape to cross each other.
7. The backlight assembly of claim 2, further comprising a plurality of fixing portions, one end of each of the fixing portions being fixedly connected to the substrate, and the other end of each of the fixing portions extending into the recess and being fixedly connected to the mounting board.
8. The backlight assembly of claim 7, wherein the fixing portion is a fixing plate, one end of the fixing plate is fixed to the edge of the substrate near the recess, and the other end of the fixing plate is fixedly connected to a portion of the mounting plate where the mounting groove is not disposed.
9. The backlight assembly of claim 8, wherein a plurality of auxiliary heat dissipation grooves are formed on the mounting board at a side where the light emitting units are disposed, the auxiliary heat dissipation grooves being spaced apart from the mounting grooves.
10. A backlight assembly according to any one of claims 1-9, wherein the heat dissipation members cover an area larger than an area of the gaps between the heat dissipation members.
11. A liquid crystal display device comprising a backlight assembly as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759847.2U CN210864270U (en) | 2019-10-18 | 2019-10-18 | Backlight assembly and liquid crystal display device having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759847.2U CN210864270U (en) | 2019-10-18 | 2019-10-18 | Backlight assembly and liquid crystal display device having the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210864270U true CN210864270U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921759847.2U Active CN210864270U (en) | 2019-10-18 | 2019-10-18 | Backlight assembly and liquid crystal display device having the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210864270U (en) |
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2019
- 2019-10-18 CN CN201921759847.2U patent/CN210864270U/en active Active
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