CN209657048U - A kind of backlight module and liquid crystal display device of built-in radiator - Google Patents
A kind of backlight module and liquid crystal display device of built-in radiator Download PDFInfo
- Publication number
- CN209657048U CN209657048U CN201920623534.8U CN201920623534U CN209657048U CN 209657048 U CN209657048 U CN 209657048U CN 201920623534 U CN201920623534 U CN 201920623534U CN 209657048 U CN209657048 U CN 209657048U
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- Prior art keywords
- heat sink
- radiator
- built
- bottom plate
- backlight module
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 208000002925 dental caries Diseases 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
A kind of backlight module and liquid crystal display device of built-in radiator, including backboard, lamp bar, heat sink, reflecting plate, light guide plate and optical diaphragm；The backboard includes bottom plate and the side plate for being vertically set on the bottom edge, the bottom plate is equipped with several in line jacks, the lower surface of the heat sink is equipped with support leg and several radiating fins, the support leg is arranged in the edge of the heat sink and is resisted against on the bottom plate, each radiating fin is respectively inserted into a corresponding in line jack, so that forming several heat dissipation cavitys between the heat sink and the bottom plate；Compared with prior art, the utility model has the beneficial effects that: directly being contacted with outside air by the in line jack that the radiating fin of heat sink passes through bottom plate, and then rapid cooling；It can be flowed up automatically by the hot-air in several heat dissipation cavitys, accelerate guidance air flowing, further improving heat radiation efficiency；Structure is simple, at low cost, long service life.
Description
[technical field]
The utility model relates to back light model setting technology field, be specifically related to a kind of built-in radiator backlight module and
Liquid crystal display device.
[background technique]
So-called backlight (BackLight) is a kind of light source positioned at liquid crystal display behind, its illumination effect will be straight
It connects and influences LCD MODULE (LCM) visual effect.Liquid crystal itself does not shine, it shows figure or character is it to light
The result of modulation.
Existing backlight module mainly has the disadvantage that: backlight module can generate amount of heat, lamp bar during the work time
And service life can reduce optical diaphragm significantly under high temperature environment, the prior art is that the interior supporter that sets supports reflecting plate, is used
Paved in components such as light guide plates by reflecting plate and thereon, and then form air chamber between heat-conducting plate and reflecting plate, play every
Heat effect, but should structure is complicated, heat dissipation effect is poor.
In consideration of it, existing to overcome it is really necessary to provide a kind of backlight module of built-in radiator and liquid crystal display device
The deficiency of technology.
[utility model content]
The purpose of the utility model is to provide the backlight modules and liquid crystal display device of a kind of built-in radiator, it is intended to real
Existing rapid cooling, simplifies structure, reduces cost, promotes service life.
To achieve the goals above, the utility model provides a kind of backlight module of built-in radiator, including backboard, lamp
Item, heat sink, reflecting plate, light guide plate and optical diaphragm；
The backboard includes bottom plate and the side plate for being vertically set on the bottom edge, and the bottom plate is equipped with several in line
Jack, the lamp bar are arranged on the inner wall of the side plate, and the lower surface of the heat sink is equipped with the branch for supporting the heat sink
The edge of the heat sink is arranged in simultaneously in support foot and several radiating fins being correspondingly arranged with the in line jack, the support leg
Be resisted against on the bottom plate, each radiating fin is respectively inserted into a corresponding in line jack so that the heat sink with
Several heat dissipation cavitys are formed between the bottom plate, the upper surface of the heat sink is arranged in the reflecting plate, and the light guide plate is set
It sets in the upper surface of the reflecting plate, the upper surface of the light guide plate is arranged in the optical diaphragm.
In a preferred embodiment, the bottom plate and side plate are integrally formed.
In a preferred embodiment, the heat sink is made of copper or aluminum material.
In a preferred embodiment, several radiating fin equidistant intervals are arranged and are welded and fixed with the heat sink.
In a preferred embodiment, the backlight module of the built-in radiator further includes outline border and liquid crystal display panel,
The outline border is arranged outside the backboard, and the liquid crystal display panel is arranged on the optical diaphragm.
A kind of liquid crystal display device, the liquid crystal display device include the backlight module of above-mentioned built-in radiator.
Compared with prior art, the backlight module and liquid crystal display dress of a kind of built-in radiator provided by the utility model
The beneficial effect set is: it is directly contacted with outside air by the in line jack that the radiating fin of heat sink passes through bottom plate, into
And rapid cooling；It can be flowed up automatically by the hot-air in several heat dissipation cavitys, accelerate guidance air flowing, further mention
Rise radiating efficiency；Structure is simple, at low cost, long service life.
[Detailed description of the invention]
Fig. 1 is the built-in backlight module of radiator and the sectional structure of liquid crystal display device provided by the utility model
Figure.
Fig. 2 is the partial perspective view of backboard shown in Fig. 1.
Fig. 3 is the partial perspective view of heat sink shown in Fig. 1.
[specific embodiment]
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Referring to Fig. 1, the first embodiment of the utility model provides a kind of backlight module 100 of built-in radiator.
In the embodiments of the present invention, the backlight module 100 of the built-in radiator includes backboard 10, lamp bar
20, heat sink 30, reflecting plate 40, light guide plate 50 and optical diaphragm 60.
Specifically, please refer to figs. 2 and 3 simultaneously, the backboard 10 is including bottom plate 11 and is vertically set on the bottom plate 11
The side plate 12 at edge, the bottom plate 11 are equipped with several in line jacks 111, and the inner wall of the side plate 12 is arranged in the lamp bar 20
On, the lower surface of the heat sink 30 is equipped with the support leg 31 for supporting the heat sink 30 and several and in line jack 111
The radiating fin 32 being correspondingly arranged, the support leg 31 are arranged in the edge of the heat sink 30 and are resisted against the bottom plate 11
On, each radiating fin 32 is respectively inserted into a corresponding in line jack 111, so that the heat sink 30 and the bottom plate
Several heat dissipation cavitys 33 are formed between 11, the upper surface of the heat sink 30, the light guide plate 50 is arranged in the reflecting plate 40
The upper surface of the reflecting plate 40 is set, and the upper surface of the light guide plate 50 is arranged in the optical diaphragm 60.
It is understood that the backlight module 100 of the built-in radiator is at work, internal temperature can be risen rapidly
Height, the heat sink 30 can directly occur heat with the hot-air of reflecting plate 40, lamp bar 20 and inside and exchange, the heat sink 30
Radiating fin 32 pass through the in line jack 111 of the bottom plate 11 and directly contacted with outside air, and then rapid cooling；Meanwhile
The backlight module 100 of the built-in radiator is to erect when due to normal use, at this point, the both ends of heat dissipation cavity 33 are in
Open state, several hot-airs to radiate in cavitys 33 can flow up automatically, back of the cold air from the built-in radiator
The bottom end of optical mode group 100 enters, and hot-air is flowed out from the top of the backlight module 100 of the built-in radiator, to accelerate
Guide air flowing, further improving heat radiation efficiency.
Further, the bottom plate 11 is integrally formed with side plate 12.
Further, the heat sink 30 is made of copper or aluminum material.The good heat conductivity of copper or aluminium, it is at low cost, be
A kind of preferred heat sink material.
Further, several 32 equidistant intervals of radiating fin are arranged and are welded and fixed with the heat sink 30.
Further, please continue to refer to Fig. 1, the backlight module 100 of the built-in radiator further includes outline border 70 and liquid
Crystal panel 80, the outline border 70 are arranged outside the backboard 10, and the liquid crystal display panel 80 is arranged on the optical diaphragm 60.
The second embodiment of the utility model provides a kind of liquid crystal display device, and the liquid crystal display device includes above-mentioned
The backlight module 100 of built-in radiator.
Compared with prior art, the backlight module and liquid crystal display dress of a kind of built-in radiator provided by the utility model
The beneficial effect set is: it is directly contacted with outside air by the in line jack that the radiating fin of heat sink passes through bottom plate, into
And rapid cooling；It can be flowed up automatically by the hot-air in several heat dissipation cavitys, accelerate guidance air flowing, further mention
Rise radiating efficiency；Structure is simple, at low cost, long service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of backlight module of built-in radiator, it is characterised in that: including backboard, lamp bar, heat sink, reflecting plate, leaded light
Plate and optical diaphragm；
The backboard includes bottom plate and the side plate for being vertically set on the bottom edge, and the bottom plate is equipped with several in line slotting
Hole, the lamp bar are arranged on the inner wall of the side plate, and the lower surface of the heat sink is equipped with the support for supporting the heat sink
Foot and several radiating fins being correspondingly arranged with the in line jack, the support leg are arranged in the edge of the heat sink and support
It leans against on the bottom plate, each radiating fin is respectively inserted into a corresponding in line jack, so that the heat sink and institute
It states and forms several heat dissipation cavitys between bottom plate, the upper surface of the heat sink, the light guide plate setting is arranged in the reflecting plate
In the upper surface of the reflecting plate, the upper surface of the light guide plate is arranged in the optical diaphragm.
2. the backlight module of radiator as described in claim 1 built-in, it is characterised in that: the bottom plate and side plate one at
Type.
3. the backlight module of built-in radiator as described in claim 1, it is characterised in that: the heat sink is by copper or aluminium
Material is made.
4. the backlight module of built-in radiator as claimed in claim 3, it is characterised in that: several radiating fin equidistant intervals
It is arranged and is welded and fixed with the heat sink.
5. the backlight module of built-in radiator as described in claim 1, it is characterised in that: the back of the built-in radiator
Optical mode group further includes outline border and liquid crystal display panel, and the outline border is arranged outside the backboard, and the liquid crystal display panel is arranged in the light
It learns on diaphragm.
6. a kind of liquid crystal display device, it is characterised in that: including built-in radiator described in Claims 1 to 5 any one
Backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623534.8U CN209657048U (en) | 2019-04-30 | 2019-04-30 | A kind of backlight module and liquid crystal display device of built-in radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623534.8U CN209657048U (en) | 2019-04-30 | 2019-04-30 | A kind of backlight module and liquid crystal display device of built-in radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209657048U true CN209657048U (en) | 2019-11-19 |
Family
ID=68529947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920623534.8U Expired - Fee Related CN209657048U (en) | 2019-04-30 | 2019-04-30 | A kind of backlight module and liquid crystal display device of built-in radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209657048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326066A (en) * | 2020-04-08 | 2020-06-23 | 惠州市华星光电技术有限公司 | Back plate, backlight module and display device |
| CN113075823A (en) * | 2021-03-24 | 2021-07-06 | Tcl华星光电技术有限公司 | Support pin, support piece and alignment film pre-baking device |
-
2019
- 2019-04-30 CN CN201920623534.8U patent/CN209657048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326066A (en) * | 2020-04-08 | 2020-06-23 | 惠州市华星光电技术有限公司 | Back plate, backlight module and display device |
| CN113075823A (en) * | 2021-03-24 | 2021-07-06 | Tcl华星光电技术有限公司 | Support pin, support piece and alignment film pre-baking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |