CN205247017U - Novel backlight unit and display - Google Patents
Novel backlight unit and display Download PDFInfo
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- CN205247017U CN205247017U CN201521120845.0U CN201521120845U CN205247017U CN 205247017 U CN205247017 U CN 205247017U CN 201521120845 U CN201521120845 U CN 201521120845U CN 205247017 U CN205247017 U CN 205247017U
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- heat
- backlight module
- light source
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- bottom plate
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Abstract
The utility model discloses a backlight unit, include: a frame, a light guide plate, it is located in the accommodation space of frame, a light -emitting component, it is located the below or the side of light guide plate, it has the laminating at the at least light source of circuit board and encircle an at least heat -sink of an at least light source, this heat -sink pass through the heat -conducting glue with radiating bottom plate or heat dissipation curb plate are connected. The utility model also discloses a display of including this backlight unit. Novel backlight unit, the better heat -sink of effect of thermal conductivity is replaced into in its the frame groove of gluing that will encircle the light source originally, utilizes the heat -sink who is located around the luminous direction in time to siphon away the produced heat of luminous to conduct this heat to radiating bottom plate or heat dissipation on the curb plate fast through the heat -conducting glue, in time conduct the heat outside backlight unit, be favorable to the heat dissipation of whole module.
Description
Technical field
The utility model relates to demonstration field, has particularly related to a kind of novel backlight module and display.
Background technology
Along with vehicle-mounted HUD(HUD) and the rise of highlight LCD, backlight illumination has than in the past significantly and promotes, and brightness has reached 300,000 nits and has even required higher brightness. But so high brightness is backlight, the heating of its LED lamp will be very large, by industry level, LED lamp roughly only has 30% efficiency, that is to say that 70% energy changes into heat, if the heat of highlighted generation backlight does not have timely release heat, heat will constantly be accumulated near LED lamp, not only affect luminous situation and the service life thereof of LED, and make whole demonstration module among high temperature, be unfavorable for very much the steady operation of module.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of novel backlight module, it will originally replace to the good thermal trough of heat-conducting effect around the glue frame groove of light source, utilization is positioned at the heat that the peripherad thermal trough in light source luminescent side produces light source luminescent and siphons away in time, and by heat-conducting glue, this heat is conducted on radiating bottom plate or side radiating plate-fin fast, heat is conducted to outside backlight module in time, be conducive to the heat radiation of whole module. The utility model also provides a kind of display that comprises this backlight module.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A kind of novel backlight module, comprising:
One framework, it has radiating bottom plate and spatial accommodation, on described radiating bottom plate, is provided with circuit board;
One LGP, it is positioned at the spatial accommodation of described framework;
One luminescence component, it is between described LGP and radiating bottom plate, and it has at least one light source and at least one thermal trough around described at least one light source, and this thermal trough is connected with described radiating bottom plate by heat-conducting glue; Described at least one light source is fitted on described circuit board.
Further, described radiating bottom plate is metallic plate or the non-metal board with heat conductivility.
A kind of novel backlight module, comprising:
One framework, it has at least one side radiating plate-fin and spatial accommodation;
One LGP, it is positioned at the spatial accommodation of described framework;
One luminescence component, it is between a side radiating plate-fin of described LGP and framework, it has a circuit board and is fitted at least one light source on this circuit board and around at least one thermal trough of described at least one light source, this thermal trough is connected with described side radiating plate-fin by heat-conducting glue.
Further, described side radiating plate-fin is metallic plate or the non-metal board with heat conductivility.
Further, described framework is glue frame, and itself and described thermal trough are one-body molded.
Further, described thermal trough is metallic channel.
Further, described heat-conducting glue is heat conductive silica gel.
Further, at least one side plate of described framework offers at least one louvre.
A kind of display, comprises above-mentioned novel backlight module.
Further, described display surface device is HUD or liquid crystal display.
The utlity model has following beneficial effect:
Described backlight module changes the existing glue frame groove around light source into thermal trough, it is positioned at light source luminescent direction around, the heat that light source is produced siphons away in time, and by heat-conducting glue, heat is conducted to radiating bottom plate or side radiating plate-fin fast, heat conducts to outside backlight module in time the most at last, thereby can effectively reduce the temperature of inside backlight, be conducive to the heat radiation of whole module, for the steady operation of backlight module and demonstration module provides safeguard; Framework surrounding by backlight module is opened louvre, further improves radiating effect; By one-body molded to thermal trough and framework, technique is simple and reduce costs.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment 1
The present embodiment provides a kind of novel backlight module, and it adopts bottom-emission pattern, specifically comprises:
One framework 1, four side plates that it has a radiating bottom plate 6 and is connected with radiating bottom plate 6, this radiating bottom plate 6 and four side plates form a spatial accommodation; On described radiating bottom plate 6, be provided with circuit board (figure does not show);
One LGP 2, the spatial accommodation that it is positioned at described framework 1, has an incidence surface and exiting surface, and this incidence surface is towards described radiating bottom plate 6, and described exiting surface is away from described radiating bottom plate 6;
One luminescence component, it is towards described incidence surface, between described LGP 2 and radiating bottom plate 6, it has at least one light source 3 of being fitted on described circuit board and at least one thermal trough 4 around described at least one light source 3, and this thermal trough 4 is connected with described radiating bottom plate 6 by heat-conducting glue 5.
Make further improvements, described radiating bottom plate 6 is preferably metal base plate, and it preferably but be not defined as Al material base plate or copper soleplate. Described radiating bottom plate 6 can also be other non-metal boards with good heat conductive performance.
Make further improvements, described thermal trough 4 is preferably metallic channel, and it preferably but be not defined as the thermal trough 4 of Al material.
Make further improvements, preferably but be not defined as glue frame, it is preferably one-body molded with described thermal trough 4 for described framework 1, and technical maturity is simple, and is conducive to reduce costs.
Make further improvements, at least one side plate of four side plates of described framework 1 offers at least one louvre 11, and preferably four side plates are all offered louvre 11, is combined with thermal trough 4, further improves radiating effect.
Make further improvements, described heat-conducting glue 5 preferably but be not defined as heat conductive silica gel.
Make further improvements, described backlight module also comprises the blooming that is positioned at described LGP 2 exiting surface tops, and this blooming comprises stacked diffusion barrier, brightness enhancement film and anti-dazzling screen from lower to upper.
Make further improvements, described at least one light source 3 is the light source 3 of array distribution on described circuit board, and it preferably but be not defined as LED lamp. Described circuit board preferably but be not defined as pcb board.
The backlight module that the present embodiment provides, utilization is positioned at light source 3 light emission directions thermal trough 4 around, the heat that light source 3 is produced siphons away in time, and by heat-conducting glue 5, heat is conducted to radiating bottom plate 6 fast, heat conducts to outside backlight module in time the most at last, thereby can effectively reduce the temperature of inside backlight, be conducive to the heat radiation of whole module, for the steady operation of backlight module and demonstration module provides safeguard.
Embodiment 2
The present embodiment provides a kind of novel backlight module, and it adopts side emitting pattern, specifically comprises:
One framework, four side plates that it has a weight tray and is connected with this weight tray, in described four side plates, at least one side plate is side radiating plate-fin, described weight tray and four side plates form a spatial accommodation;
One LGP, the spatial accommodation that it is positioned at described framework, has an incidence surface and exiting surface, and this incidence surface is towards side radiating plate-fin described in, and described exiting surface is away from described weight tray;
One luminescence component, it is towards described incidence surface, between described LGP and a side radiating plate-fin, it has near a circuit board of described side radiating plate-fin and is fitted at least one light source on this circuit board and around at least one thermal trough of described at least one light source, this thermal trough is connected with described side radiating plate-fin by heat-conducting glue.
Make further improvements, described thermal trough is preferably metallic channel, and it preferably but be not defined as the thermal trough of Al material.
Make further improvements, preferably but be not defined as glue frame, it is preferably one-body molded with described thermal trough for described framework, and technical maturity is simple, and is conducive to reduce costs.
Make further improvements, described heat-conducting glue preferably but be not defined as heat conductive silica gel.
Make further improvements, described side radiating plate-fin is preferably metal side plate, and it preferably but be not defined as Al material side plate or copper side plate. Described side radiating plate-fin can also be other non-metal boards with good heat conductive performance.
Make further improvements, described backlight module also comprises the blooming that is positioned at described LGP exiting surface top, and this blooming comprises stacked diffusion barrier, brightness enhancement film and anti-dazzling screen from lower to upper.
Make further improvements, described at least one light source is the light source of array distribution on described circuit board, and it preferably but be not defined as LED lamp.
The backlight module that the present embodiment provides, utilization is positioned at the peripherad thermal trough in light source luminescent side, the heat that light source is produced siphons away in time, and by heat-conducting glue, heat is conducted to side radiating plate-fin fast, heat conducts to outside backlight module in time the most at last, thereby can effectively reduce the temperature of inside backlight, be conducive to the heat radiation of whole module, for the steady operation of backlight module and demonstration module provides safeguard.
Embodiment 3
A kind of HUD, it has the backlight module as described in embodiment 1 or 2.
The HUD that the present embodiment provides, the backlight module utilization that it uses is positioned at the peripherad thermal trough in light source luminescent side, the heat that light source is produced siphons away in time, and by heat-conducting glue, heat is conducted to radiating bottom plate or side radiating plate-fin fast, heat conducts to outside backlight module in time the most at last, thereby can effectively reduce the temperature of inside backlight, be conducive to the heat radiation of whole module, for the steady operation of HUD provides safeguard.
Embodiment 4
A kind of liquid crystal display, it has the backlight module as described in embodiment 1 or 2.
Preferably, described liquid crystal display is highlight LCD.
The liquid crystal display that the present embodiment provides, the backlight module utilization that it uses is positioned at the peripherad thermal trough in light source luminescent side, the heat that light source is produced siphons away in time, and by heat-conducting glue, heat is conducted to radiating bottom plate or side radiating plate-fin fast, heat conducts to outside backlight module in time the most at last, thereby can effectively reduce the temperature of inside backlight, be conducive to the heat radiation of whole module, for the steady operation of HUD provides safeguard.
The above embodiment has only expressed embodiment of the present utility model; it describes comparatively concrete and detailed; but can not therefore be interpreted as the restriction to the utility model the scope of the claims; in every case the technical scheme that adopts the form that is equal to replacement or equivalent transformation to obtain, within all should dropping on protection domain of the present utility model.
Claims (10)
1. a novel backlight module, is characterized in that, comprising:
One framework, it has radiating bottom plate and spatial accommodation, on described radiating bottom plate, is provided with circuit board;
One LGP, it is positioned at the spatial accommodation of described framework;
One luminescence component, it is between described LGP and radiating bottom plate, and it has at least one light source of being fitted on described circuit board and at least one thermal trough around described at least one light source, and this thermal trough is connected with described radiating bottom plate by heat-conducting glue; Described at least one light source.
2. novel backlight module according to claim 1, is characterized in that, described radiating bottom plate is metallic plate or the non-metal board with heat conductivility.
3. a novel backlight module, is characterized in that, comprising:
One framework, it has at least one side radiating plate-fin and spatial accommodation;
One LGP, it is positioned at the spatial accommodation of described framework;
One luminescence component, it is between a side radiating plate-fin of described LGP and framework, it has a circuit board and is fitted at least one light source on this circuit board and around at least one thermal trough of described at least one light source, this thermal trough is connected with described side radiating plate-fin by heat-conducting glue.
4. novel backlight module according to claim 3, is characterized in that, described side radiating plate-fin is metallic plate or the non-metal board with heat conductivility.
5. according to the novel backlight module described in claim 1 or 3, it is characterized in that, described framework is glue frame, and itself and described thermal trough are one-body molded.
6. according to the novel backlight module described in claim 1 or 3, it is characterized in that, described thermal trough is metallic channel.
7. according to the novel backlight module described in claim 1 or 3, it is characterized in that, described heat-conducting glue is heat conductive silica gel.
8. according to the novel backlight module described in claim 1 or 3, it is characterized in that, at least one side plate of described framework offers at least one louvre.
9. a display, is characterized in that, comprises the novel backlight module as described in claim 1 or 3.
10. display according to claim 9, is characterized in that, described display surface device is HUD or liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120845.0U CN205247017U (en) | 2015-12-31 | 2015-12-31 | Novel backlight unit and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120845.0U CN205247017U (en) | 2015-12-31 | 2015-12-31 | Novel backlight unit and display |
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| Publication Number | Publication Date |
|---|---|
| CN205247017U true CN205247017U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521120845.0U Active CN205247017U (en) | 2015-12-31 | 2015-12-31 | Novel backlight unit and display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107155281A (en) * | 2017-05-12 | 2017-09-12 | 惠州三华工业有限公司 | Display device |
| CN111968531A (en) * | 2020-08-14 | 2020-11-20 | 深圳市锐拓显示技术有限公司 | LED display module, manufacturing method and LED display screen |
-
2015
- 2015-12-31 CN CN201521120845.0U patent/CN205247017U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107155281A (en) * | 2017-05-12 | 2017-09-12 | 惠州三华工业有限公司 | Display device |
| CN107155281B (en) * | 2017-05-12 | 2023-12-05 | 惠州三华工业有限公司 | display device |
| CN111968531A (en) * | 2020-08-14 | 2020-11-20 | 深圳市锐拓显示技术有限公司 | LED display module, manufacturing method and LED display screen |
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