CN203364075U - Multiple-heat-radiating assembly structure applied to backlight module - Google Patents

Multiple-heat-radiating assembly structure applied to backlight module Download PDF

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Publication number
CN203364075U
CN203364075U CN2013203724896U CN201320372489U CN203364075U CN 203364075 U CN203364075 U CN 203364075U CN 2013203724896 U CN2013203724896 U CN 2013203724896U CN 201320372489 U CN201320372489 U CN 201320372489U CN 203364075 U CN203364075 U CN 203364075U
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CN
China
Prior art keywords
conducting strip
backlight module
heat dissipation
heat
samming sheet
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Expired - Fee Related
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CN2013203724896U
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Chinese (zh)
Inventor
吴哲元
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吴哲元
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Abstract

A multiple-heat-radiating assembly structure applied to a backlight module is suitable for the heat-radiating demand of the backlight module of an electronic product provided with a screen. The multiple-heat-radiating assembly structure mainly comprises a heat-conducting fin group formed by a plurality of heat-conducting fins having electrical conductivity and a temperature uniformizing fin group consisting of a plurality of temperature uniformizing fins having a quick transverse heat-conducting characteristic, wherein the heat-conducting fin group is arranged on the local periphery of the outer back side of a preset backlight module, and the temperature uniformizing fins are arranged between the heat-conducting fins in a contact mode. Multiple conduction and radiation of heat emitted by the backlight module in the different directions can be formed by utilizing matching between the heat-conducting fin group and the temperature uniformizing fin group, and abnormal temperature rise caused by the fact that the heat accumulates nearby the backlight module can be effectively avoided.

Description

Apply to the multiple heat dissipation modular construction of backlight module
Technical field
The utility model is relevant a kind of multiple heat dissipation modular construction that applies to backlight module, espespecially a kind of Combination Design of utilizing low cost and easy structure, the heat Quick uniform diffusion that backlight module can be produced, to reduce heat build-up in the conductive structure in narrow and small zone.
Background technology
Known applications is in the backlight module of electronic product (liquid crystal) screen, it is all to be provided with light source body (mostly being cold-cathode tube or light emitting diode) in the part of at least one LGP week side basically, the light that utilizes this LGP light source body can be sent evenly spreads, to form the light backlight of an area source.Yet, along with (liquid crystal) screen size increases gradually, the light source body number needs not only used increases thereupon, and the power of its light source body also strengthens with the need, thereby, be difficult to produce more heat disperses with avoiding, outside these heats not only need to utilize heat abstractor it are externally dispersed effectively by it, also need in addition suitable obstruct, otherwise very easily the accumulation because of heat causes (liquid crystal) screen week side local location excess Temperature, except meeting affects the normal use of this electronic product, also easily reduce the service life of associated component, but general heat conduction and the heat abstractor of tradition has larger volume mostly, and cost is also comparatively high, and be not suitable for being applied in the small space of screen dorsal part, also can cause the increase of cost and not meet economic benefit, therefore, how can form with easy structure cheaply the heat conduction of a small size, cooling mechanism, heat conduction and radiating requirements with small space in the backlight module that meets screen, be for relevant dealer the problem of effort urgently.
Because known backlight module cooling mechanism has above-mentioned shortcoming, the creator is the road for those shortcoming Improvements, finally has this creation to produce.
Summary of the invention
Main purpose of the present utility model is, for above-mentioned the deficiencies in the prior art, a kind of multiple heat dissipation modular construction that applies to backlight module is provided, it can outwards disperse the heat that this backlight module produces fast, effectively to reduce the temperature of backlight module, and then increase the integral heat sink efficiency of this backlight module.
Another purpose of the present utility model is to provide a kind of multiple heat dissipation modular construction that applies to backlight module, its heat that the light source assembly of backlight module can be produced evenly spreads transmission to surrounding fast, causes the temperature rise of light source assembly periphery local location to avoid heat to concentrate.
Another purpose of the present utility model is to provide a kind of multiple heat dissipation modular construction that applies to backlight module, and it can be via the use amount that reduces expensive heat-conductive assembly, and reaches default heat conduction and heat radiation effect, has preferably whole economic efficiency.
In order to reach above-mentioned purpose and effect, the technical scheme that the utility model adopts is: plant the multiple heat dissipation modular construction that applies to backlight module, it comprises at least one light source assembly that produces light, and this light source assembly is arranged at the panel of a default backlight module and at least local all sides between backboard; Be characterized in, also comprise conducting strip group and samming sheet group, this conducting strip group is by stacked composition of conducting strip of several piece tool electric conductivity; This samming sheet group can be fast be comprised of along the samming sheet of surface direction guiding heat several, and each samming sheet is arranged at intervals between each conducting strip; One side of this conducting strip group attaches and is contacted with the backboard outside that approaches this light source assembly.
Described each conducting strip has respectively the samming sheet of an adjacent correspondence, and each samming sheet is arranged at respectively the side of the conducting strip of adjacent correspondence towards light source assembly.
Be provided with heat-conducting glue between described conducting strip group and this backboard.
Described each conducting strip has respectively the samming sheet of an adjacent correspondence, and each samming sheet is arranged at respectively the side of the conducting strip of adjacent correspondence away from this backboard.
Described conducting strip group is contacted with this backboard, and is provided with heat-conducting glue between this conducting strip group and this backboard.
The area of described samming sheet is same as contacted conducting strip area, and is the plates of strip.
The area of described samming sheet is less than contacted conducting strip area.
The plates that described samming sheet is strip.
Described samming sheet is in be provided with the branching portion of at least one oblique extension away from a side of this light source assembly.
Described branching portion is towards the oblique extension of the direction away from light source assembly and flanging.
Be respectively equipped with the conductive adhesive layer that has thermal conductivity concurrently between described each conducting strip and each samming sheet.
Described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
So, this structure can outwards be dispersed the heat that this backlight module produces fast, effectively to reduce the temperature of backlight module, and then increases the integral heat sink efficiency of this backlight module; The heat that the light source assembly of backlight module can be produced evenly spreads transmission to surrounding fast, causes the temperature rise of light source assembly periphery local location to avoid heat to concentrate; Can be via the use amount that reduces expensive heat-conductive assembly, and reach default heat conduction and heat radiation effect, there is preferably whole economic efficiency.
Understand for above-mentioned purpose of the present utility model, effect and feature can be obtained more specifically, hereby be described as follows according to following accompanying drawing.
The accompanying drawing explanation
Fig. 1 is the exploded view of the utility model the first example structure and associated component.
Fig. 2 is the local constitutional diagram of the utility model the first example structure and associated component.
Fig. 3 is the combination section of the utility model the first example structure and associated component.
Fig. 4 is the exploded view of the utility model the second example structure and associated component.
Fig. 5 is the exploded view of the utility model the 3rd example structure and associated component.
Fig. 6 is the combination section of the utility model the 4th example structure and associated component.
Label declaration
1... conducting strip group 11,12,13... conducting strip
111,121,131,211,221,231.. flanging 2,6... samming sheet group
21,22,23,2a, 61,62,63... samming sheet 3,3a... conductive adhesive layer
30,30a... heat-conducting glue 4... backlight module
41... light source assembly 42... illuminator
40... light guide sheet 5... screen frame
51... panel 52,502... backboard
50... casing 501... accommodation space
612,622,632... branching portion A, B..... screen.
The specific embodiment
Refer to shown in Fig. 1 to Fig. 3, the structure of known the utility model the first embodiment mainly comprises: the part such as conducting strip group 1 and samming sheet group 2, wherein conducting strip group 1 by several piece tool electric conductivity (can be metal material) and sequentially stacked conducting strip 11,12,13 combine; Samming sheet group 2 is interted respectively by several piece 21,22 of samming sheets being arranged between each conducting strip 11,12,13 and is formed, the area of these samming sheets 21,22 is less than conducting strip 11,12,13, and have easily and guide fast heat along surface direction (laterally), make heat be difficult for the characteristic (can be graphite or other similar material) directly penetrated, in the structure disclosed in the present embodiment, this samming sheet 21,22 is strip, but forms the combination of a tool electric conductivity between each samming sheet 21,22 and each conducting strip 11,12,13 via the conductive adhesive layer 3 of a heat conduction.
When practical application, this conducting strip group 1 and samming sheet group 2 can be arranged at a default screen A dorsal part, this screen A mainly is comprised of one (liquid crystal) panel 51 and backlight module 4 thereof, this liquid crystal panel 51 is arranged at screen frame 5 inboards, this backlight module 4 is attached at liquid crystal panel 51 dorsal parts, the backboard 52 that in backlight module 4 opposite sides, the splendid thermal conductivity of one tool can be set and combine with screen frame 5; Backlight module 4 is comprised of at least one light source assembly 41 that is attached at the light guide sheet 40 of panel 51 dorsal parts and is arranged at least local all sides of this light guide sheet 40, this light source assembly 41 is provided with several spaced illuminators 42, and the heat-conducting glue 30 of tool electric conductivity can be set between light source assembly 41 and backboard 52 avris according to need, this screen A can be incorporated on the casing 50 of an electronic product, and being provided with one between this casing 50 and screen A can be for the accommodation space 501 that holds other electronic building brick; And this conducting strip group 1 fits in backboard 52 back surface, and between this conducting strip group 1 and backboard 52, conductive adhesive layer 3 can be set according to need.
In the structure disclosed at the present embodiment, the samming sheet quantity of the conducting strip quantity of this conducting strip group 1 and samming part group 2 is according to need and suitably increase and decrease simultaneously all, and the combination that has different heat conduction, radiating effect with formation changes.
During use, the heat that this light source assembly 41 produces conducts to backboard 52 by heat-conducting glue 30, conduct to conducting strip 11 by backboard 52 again, due to this conducting strip 11, 12, 13 is plates, and its metal material has the characteristic that heat is evenly dispersed towards the radial constant speed of surrounding, therefore heat can pass through conducting strip 11 very rapidly, and be passed to samming part 21 via conductive adhesive layer 3, due to these samming parts 21, 22, 23 have and guide fast the characteristic of heat by heat along surface direction (laterally), but make the heat rapid diffusion and be uniformly distributed in this samming sheet 21 surfaces, then, make again heat via conductive adhesive layer 3 towards conducting strip 12, samming part 22, conducting strip 13 sequentially transmits, characteristic by this kind with samming sheet 21,22 horizontal MULTIPLE DIFFUSION heats, the characteristic that coordinates conducting strip 11,12,13 directly externally to disperse heat fast, can effectively avoid heat accumulation in approaching near the position of this light source assembly 41, to avoid local location, produce the situation of abnormal high temperature.
Shown in Figure 4, the structure of known the utility model the second embodiment mainly comprises: a samming sheet group 20 and a conducting strip group 1 identical with aforementioned the first embodiment, wherein this conducting strip group 1 has identical conducting strip 11, 12, 13, samming sheet group 20 is interted and is arranged at each conducting strip 11 respectively by several piece, 12, samming sheet 201 between 13, 202 institutes form, these samming sheets 201, 202 area is same as conducting strip group 11, 12, 13, and have easily and guide fast heat along surface direction (laterally), make heat be difficult for the characteristic (can be graphite or other similar material) directly penetrated, in each samming sheet 201, 202 and each conducting strip 11, 12, but form the combination of a tool electric conductivity between 13 via the conductive adhesive layer 3 of a heat conduction.
In addition, the relative combination of this samming sheet group 20 and conducting strip group 1, and the form of its practical application are all identical with aforementioned the first embodiment.
Shown in Figure 5, the structure of known the utility model the 3rd embodiment mainly comprises: a samming sheet group 6 and a conducting strip group 1 identical with aforementioned the first embodiment, wherein this conducting strip group 1 has identical conducting strip 11, 12, 13, samming sheet group 6 is interted and is arranged at each conducting strip 11 respectively by several, 12, samming sheet 61 between 13, 62 institutes form, these samming sheets 61, 62 are less than conducting strip group 1 and have the sheet-like structure (can be graphite or other similar material) of guiding fast thermal properties along surface direction (laterally) for area, in the structure disclosed at the present embodiment, each samming sheet 61, 62 are respectively equipped with in an avris branching portion 612 that several oblique (parallel) extends, 622, and each branching portion 612, 622 towards a skew back to extension, and each samming sheet 61, 62 and each conducting strip 11, 12, but form the combination of a tool electric conductivity between 13 via the conductive adhesive layer 3a of a heat conduction.
In the structure disclosed at the present embodiment, all according to need and suitably increases and decreases simultaneously of the samming sheet quantity of the conducting strip quantity of this conducting strip group 1 and samming part group 6 simultaneously, the combination that has different heat conduction, radiating effect with formation changes.
When practical application, this conducting strip group 1 and samming sheet group 6 can be arranged at by the mode with identical with aforementioned the first embodiment an identical screen A dorsal part, this light source assembly 41 can be contacted with this backboard 52 via a heat-conducting glue 30a, during use, the heat that this light source assembly 41 produces conducts to backboard 52 by heat-conducting glue 30a, sequentially conduct to conducting strip 11 by backboard 52 by conductive adhesive layer 3a again, samming sheet 61, conducting strip 12, samming sheet 62, conducting strip 13, by each samming sheet 61, 62 characteristics that heat is spread along the quick multiple guiding of surface direction (laterally), coordinate each conducting strip 11, 12, 13 characteristics of directly externally dispersing heat fast, can effectively avoid heat accumulation in approaching near the position of this light source assembly 41, to avoid local location to produce the situation of abnormal high temperature.
Shown in Figure 6, known the utility model the 4th embodiment is the structural change that the first embodiment is derived, its structure mainly comprises: a samming sheet group 2 and a conducting strip group 1 identical with this first embodiment, and this conducting strip group 1 combines in the mode identical with this first embodiment with samming sheet group 2.
When practical application, this conducting strip group 1 and samming sheet group 2 can be arranged at a default screen B dorsal part, this screen B mainly is comprised of one (liquid crystal) panel 51 and backlight module 4 thereof, this liquid crystal panel 51 is arranged at screen frame 5 inboards, this backlight module 4 is attached at liquid crystal panel 51 dorsal parts, the backboard 502 that in backlight module 4 opposite sides, one thermal conductivity poor (or do not have thermal conductivity) can be set and combine with screen frame 5; Backlight module 4 is by least one light guide sheet 40 that is attached at panel 51 dorsal parts, and the light source assembly 41 that is arranged at least local all sides of this light guide sheet 40 forms, and this light source assembly 41 is provided with several spaced illuminators 42; This screen B can be incorporated on the casing 50 of an electronic product, and being provided with one between this casing 50 and screen B can be for the accommodation space 501 that holds other electronic building brick; And this heat-conductive assembly 1 fits in backboard 502 back surface, and between this heat-conductive assembly 1 and backboard 502, conductive adhesive layer can be set according to need.
In said structure, due to the thermal conductivity of this backboard 502 itself poor (or do not have thermal conductivity), therefore between this light source assembly 41 and backboard 502 avris, a samming sheet 2a can be set according to need, and this backboard 502 coordinates actual needs to hide position in this samming sheet 2a intensive through hole (do not draw, or the mechanism passed through of the similar heating load of other tool) is set again; The heat of this light source assembly 41 can first suitably evenly be spread via samming sheet 2a, sequentially conduct to conducting strip 11, samming sheet 21, conducting strip 12, samming sheet 22, conducting strip 13 by backboard 502 again, use via similar mode, reach similar radiating effect.
Comprehensive the above, the utility model applies to the multiple heat dissipation modular construction of backlight module really can reach the effect of the heat Quick uniform diffusion that reduces production costs, is applicable to the small space zone and backlight module can be produced, be the creation of a tool novelty and progressive in fact, file an application new patent in accordance with the law; Only the content of above-mentioned explanation, be only preferred embodiment explanation of the present utility model, and the variation, modification, change or the equivalent replacement that such as according to technological means of the present utility model and category, extend, also all should fall in patent claim of the present utility model.

Claims (22)

1. a multiple heat dissipation modular construction that applies to backlight module, it comprises at least one light source assembly that produces light, this light source assembly is arranged at the panel of a default backlight module and at least local all sides between backboard; It is characterized in that, also comprise conducting strip group and samming sheet group, this conducting strip group is by stacked composition of conducting strip of several piece tool electric conductivity; This samming sheet group can be fast be comprised of along the samming sheet of surface direction guiding heat several, and each samming sheet is arranged at intervals between each conducting strip; One side of this conducting strip group attaches and is contacted with the backboard outside that approaches this light source assembly.
2. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 1, is characterized in that, described each conducting strip has respectively the samming sheet of an adjacent correspondence, and each samming sheet is arranged at respectively the side of the conducting strip of adjacent correspondence towards light source assembly.
3. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 2, is characterized in that, between described conducting strip group and this backboard, is provided with heat-conducting glue.
4. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 1, is characterized in that, described each conducting strip has respectively the samming sheet of an adjacent correspondence, and each samming sheet is arranged at respectively the side of the conducting strip of adjacent correspondence away from this backboard.
5. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 4, is characterized in that, described conducting strip group is contacted with this backboard, and be provided with heat-conducting glue between this conducting strip group and this backboard.
6. as claim 1 or 2 or 3 or the 4 or 5 described multiple heat dissipation modular constructions that apply to backlight module, it is characterized in that, the area of described samming sheet is same as contacted conducting strip area, and is the plates of strip.
7. as claim 1 or 2 or 3 or the 4 or 5 described multiple heat dissipation modular constructions that apply to backlight module, it is characterized in that, the area of described samming sheet is less than contacted conducting strip area.
8. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 7, is characterized in that, the plates that described samming sheet is strip.
9. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 8, is characterized in that, described samming sheet is in be provided with the branching portion of at least one oblique extension away from a side of this light source assembly.
10. the multiple heat dissipation modular construction that applies to backlight module as claimed in claim 9, is characterized in that, described branching portion is towards the oblique extension of the direction away from light source assembly and flanging.
11. as claim 1 or 2 or 3 or the 4 or 5 described multiple heat dissipation modular constructions that apply to backlight module, it is characterized in that, between described each conducting strip and each samming sheet, be respectively equipped with the conductive adhesive layer that has thermal conductivity concurrently.
Apply to the multiple heat dissipation modular construction of backlight module 12. as claimed in claim 6, it is characterized in that, between described each conducting strip and each samming sheet, be respectively equipped with the conductive adhesive layer that has thermal conductivity concurrently.
Apply to the multiple heat dissipation modular construction of backlight module 13. as claimed in claim 7, it is characterized in that, between described each conducting strip and each samming sheet, be respectively equipped with the conductive adhesive layer that has thermal conductivity concurrently.
Apply to the multiple heat dissipation modular construction of backlight module 14. as claimed in claim 8, it is characterized in that, between described each conducting strip and each samming sheet, be respectively equipped with the conductive adhesive layer that has thermal conductivity concurrently.
Apply to the multiple heat dissipation modular construction of backlight module 15. as claimed in claim 9, it is characterized in that, between described each conducting strip and each samming sheet, be respectively equipped with the conductive adhesive layer that has thermal conductivity concurrently.
16. as claim 1 or 2 or 3 or the 4 or 5 described multiple heat dissipation modular constructions that apply to backlight module, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
Apply to the multiple heat dissipation modular construction of backlight module 17. as claimed in claim 6, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
Apply to the multiple heat dissipation modular construction of backlight module 18. as claimed in claim 7, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
Apply to the multiple heat dissipation modular construction of backlight module 19. as claimed in claim 8, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
Apply to the multiple heat dissipation modular construction of backlight module 20. as claimed in claim 9, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
Apply to the multiple heat dissipation modular construction of backlight module 21. as claimed in claim 10, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
Apply to the multiple heat dissipation modular construction of backlight module 22. as claimed in claim 11, it is characterized in that, described backboard is arranged in a screen frame and a casing, and this conducting strip group and samming sheet group are arranged in the space that this screen frame and this casing define.
CN2013203724896U 2013-06-27 2013-06-27 Multiple-heat-radiating assembly structure applied to backlight module Expired - Fee Related CN203364075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203724896U CN203364075U (en) 2013-06-27 2013-06-27 Multiple-heat-radiating assembly structure applied to backlight module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203724896U CN203364075U (en) 2013-06-27 2013-06-27 Multiple-heat-radiating assembly structure applied to backlight module

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CN203364075U true CN203364075U (en) 2013-12-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105109161A (en) * 2015-08-28 2015-12-02 努比亚技术有限公司 Mobile phone
CN109618542A (en) * 2019-01-13 2019-04-12 进佳科技(国际)有限公司 Mobile terminal with heat convergence conduction function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105109161A (en) * 2015-08-28 2015-12-02 努比亚技术有限公司 Mobile phone
CN105109161B (en) * 2015-08-28 2018-08-14 努比亚技术有限公司 Mobile phone
CN109618542A (en) * 2019-01-13 2019-04-12 进佳科技(国际)有限公司 Mobile terminal with heat convergence conduction function
CN109618542B (en) * 2019-01-13 2021-01-01 进佳科技(国际)有限公司 Mobile terminal with heat gathering and conducting function

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131225

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