CN210119933U - Direct type backlight module and display - Google Patents
Direct type backlight module and display Download PDFInfo
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- CN210119933U CN210119933U CN201920978591.8U CN201920978591U CN210119933U CN 210119933 U CN210119933 U CN 210119933U CN 201920978591 U CN201920978591 U CN 201920978591U CN 210119933 U CN210119933 U CN 210119933U
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- lamp strip
- heat dissipation
- backlight module
- direct type
- type backlight
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 230000032683 aging Effects 0.000 abstract description 14
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The utility model provides a straight following formula backlight unit and display, wherein, straight following formula backlight unit includes: backplate, lamp strip, a plurality of electrical part and a plurality of heat dissipation part. The light bar is arranged on the first side face of the back plate. A plurality of electrical devices are disposed on the second side of the backplane. A plurality of heat dissipation parts set up on the first side of backplate to adjacent lamp strip sets up. The utility model provides a straight following formula backlight unit, lamp strip and electrical part set up on two different faces of backplate, and the electrical part can produce more heat in the course of the work, and the heat transmits for the radiating part through the backplate, on the one hand, prevents that the temperature of lamp strip from rising, has reduced the ageing speed of lamp strip, and then has improved the life of product, and on the other hand can reduce the temperature of electrical part, prolongs the life of product. In addition, the heat dissipation part can absorb the heat generated by the lamp strip, so that the temperature of the lamp strip is further reduced, and the aging speed of the lamp strip is further reduced.
Description
Technical Field
The utility model relates to a show technical field, particularly, relate to a straight following formula backlight unit and have this straight following formula backlight unit's display.
Background
In the related art, an led (light Emitting diode) in front of a back plate of a direct-type display module is a heat source, and electronic devices on a board card behind the back plate (such as a main chip on a main board,
LDO (low drop out regulator) voltage stabilizer, transformer, MOS (MOSFET) tube and the like on a power panel) are large heat sources, when the front and the rear heating sources of the backboard are opposite or close in position, heat is transferred through the backboard, the temperature is influenced mutually, the temperature of a device or an LED is increased, and the service life of the LED lamp bead, a board card device and other devices is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a straight following formula backlight unit and display, backlight unit's radiating effect is good, long service life.
An embodiment of the first aspect of the present invention provides a direct type backlight module, include: a back plate; a light bar disposed on a first side of the back panel; a plurality of electrical devices disposed on the second side of the backplate; and the heat dissipation parts are arranged on the first side surface of the back plate and are arranged close to the light bar.
The utility model provides a straight following formula backlight unit, lamp strip and electrical part set up on two different faces of backplate, and the electrical part can produce more heat in the course of the work, and the heat transmits for the radiating part through the backplate, on the one hand, prevents that the temperature of lamp strip from rising, has reduced the ageing speed of lamp strip, and then has improved the life of product, and on the other hand can reduce the temperature of electrical part, prolongs the life of product. In addition, the heat dissipation part can absorb the heat generated by the lamp strip, so that the temperature of the lamp strip is further reduced, the aging speed of the lamp strip is further reduced, the service life of a product is further prolonged, and the market competitiveness of the product is increased.
Optionally, the heat sink is a graphite sheet.
Optionally, the heat dissipation part is disposed in correspondence with the electric device.
Optionally, the light bar is connected with the heat dissipation part.
Optionally, the heat dissipation part comprises a connecting sheet, and the connecting sheet is fixedly connected with the back plate; and one end of each radiating fin is connected with the connecting sheet, and the other end of each radiating fin extends in the direction far away from the connecting sheet.
Optionally, a plurality of the heat dissipation fins are arranged at intervals.
Optionally, a plurality of the heat dissipation fins are arranged in a staggered manner.
Optionally, the light bar comprises a printed circuit board and a plurality of lamp beads, and the height of the heat dissipation part is not higher than that of the light bar.
Optionally, the heat dissipation part is fixed on the back plate through a heat conducting adhesive layer.
An embodiment of the second aspect of the present invention provides a display, including any one of the above direct type backlight module.
The utility model provides a display, the radiating effect is good, has reduced the ageing speed of product to improve the life of product, increased the market competition of product.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
In order to more clearly illustrate the technical embodiments of the present invention, the drawings that are needed to be used in the embodiments or the prior art description will be briefly described below.
Fig. 1 is a schematic structural diagram of a direct type backlight module according to an embodiment of the present invention;
FIG. 2 is an exploded view of the direct type backlight module shown in FIG. 1;
fig. 3 is a schematic perspective view of an embodiment of the heat dissipation part according to the present invention;
fig. 4 is a schematic perspective view of another embodiment of a heat dissipation portion according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
printed circuit board 1, backplate 2, electrical part 3, lamp pearl 4, heat dissipation portion 5, connection piece 51, fin 52.
Detailed Description
The following discussion provides a number of embodiments of the invention. While each embodiment represents a single combination of elements, elements of different embodiments of the invention can be substituted or combined, and thus the invention is intended to include all possible combinations of elements of the same and/or different embodiments as disclosed. Thus, if one embodiment includes element A, B, C and another embodiment includes a combination of elements B and D, then the invention is also to be construed as including embodiments that include all other possible combinations of one or more of the elements A, B, C, D, even though such embodiments may not be explicitly recited in the following text.
As shown in fig. 1 and 2, an embodiment of the first aspect of the present invention provides a direct type backlight module, including: backplate 2, lamp strip, a plurality of electric device 3 and a plurality of heat dissipation portion 5.
Specifically, the light bar is arranged on a first side surface of the back plate 2; the lamp strip includes printed circuit board 1 and a plurality of lamp pearl 4. A plurality of electrical devices 3 are arranged on the second side of the back plate 2. A plurality of heat dissipation portions 5 are disposed on the first side of the back panel 2 and adjacent to the light bars. The first side surface and the second side surface are two parallel side surfaces on the back plate.
The utility model provides a straight following formula backlight unit, lamp strip and electrical part 3 set up on two different faces of backplate 2, and electrical part 3 can produce more heat in the course of the work, and the heat transmits to radiating part 5 through backplate 2, on the one hand, prevents the temperature of lamp strip to rise, has reduced the ageing speed of lamp strip, and then has improved the life of product; on the other hand, the temperature of the electric device can be reduced, and the service life of the product is prolonged. In addition, the heat dissipation part 5 can absorb heat generated by the lamp strip, so that the temperature of the lamp strip is further reduced, the aging speed of the lamp strip is further reduced, the service life of a product is further prolonged, and the market competitiveness of the product is increased.
In an embodiment of the present invention, the height of the heat dissipation portion is not higher than the height of the light bar. The height of having avoided the heat dissipation part exceeds the lamp strip, leads to straight following formula backlight unit thickness great, has guaranteed promptly that backlight unit has thinner thickness to make display screen more frivolous.
In one embodiment of the present invention, the heat dissipation portion 5 is a graphite sheet.
In this embodiment, the graphite flake has unique grain orientation, evenly conducts heat along two directions, has super high thermal conductivity to cool down the lamp strip fast, thereby prevent that the temperature of lamp strip from rising, reduced the ageing speed of lamp strip, and then improved the life of product. In addition, the laminated structure of the graphite sheet can be well adapted to any surface, and is convenient to install.
As shown in fig. 1, in one embodiment of the present invention, the heat dissipation portion 5 is provided corresponding to the electric device 3.
In this embodiment, because the heat that sends of electrical part 3 is more, heat dissipation part 5 just sets up electrical part 3, the heat that 3 sends of absorption electrical part that can be quick, on the one hand, has avoided the temperature of lamp strip to rise, has reduced the temperature of lamp strip promptly, has reduced the ageing speed of lamp strip, and on the other hand can reduce the temperature of electrical part, has improved the life of product.
In an embodiment of the present invention, the light bar is connected to the heat dissipation portion.
In this embodiment, lamp strip and heat dissipation part lug connection, the heat that the lamp strip produced can be quick is absorbed by the heat dissipation part to prevent the temperature of lamp strip and rise, reduced the ageing speed of lamp strip, and then improved the life of product.
As shown in fig. 3 and 4, in one embodiment of the present invention, the heat dissipation portion 5 includes a connection piece 51 and a plurality of heat dissipation fins 52.
Specifically, the connecting sheet 51 is fixedly connected with the back plate 2; one end of each of the plurality of fins 52 is connected to the connecting piece 51, and the other end extends in a direction away from the connecting piece 51.
In this embodiment, the heat radiating area is increased by the arrangement of the plurality of heat radiating fins 52, so that the heat radiating effect of the heat radiating part 5 is increased, the temperature of the lamp strip and the electric device 3 can be rapidly reduced, the aging speed of the lamp strip and the electric device 3 is reduced, and the service life of a product is further prolonged.
As shown in fig. 3, in an embodiment of the present invention, the plurality of fins 52 are disposed at intervals.
In this embodiment, the fins 52 are spaced apart to ensure sufficient heat dissipation space between the fins 52, thereby ensuring the heat dissipation effect of the fins 52.
As shown in fig. 4, in one embodiment of the present invention, the plurality of fins 52 are arranged in a staggered manner.
In this embodiment, the heat dissipation fins 52 arranged in a staggered manner can uniformly distribute heat to the heat dissipation portion 5, so that the heat dissipation effect of the heat dissipation portion 5 is increased, the temperature of the lamp strip and the electric device 3 can be rapidly reduced, the aging speed of the lamp strip and the electric device 3 is reduced, and the service life of the product is further prolonged.
In one embodiment of the present invention, the heat dissipation portion is fixed to the back plate by a heat conductive adhesive layer.
In this embodiment, the heat conduction adhesive layer has guaranteed backplate and heat dissipation part heat transfer's homogeneity to guarantee the radiating effect of heat dissipation part, can reduce the temperature of lamp strip fast, reduced the ageing speed of lamp strip, and then improved the life of product
The embodiment of the second aspect of the present invention provides a display, including any one of the above direct type backlight module.
The utility model provides a display, the radiating effect is good, has reduced the ageing speed of product to improve the life of product, increased the market competition of product.
In the utility model discloses in. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A direct type backlight module is characterized by comprising:
a back plate;
a light bar disposed on a first side of the back panel;
a plurality of electrical devices disposed on the second side of the backplate; and
the heat dissipation parts are arranged on the first side face of the back plate and are arranged close to the light bar.
2. The direct type backlight module according to claim 1,
the heat dissipation part is a graphite sheet.
3. The direct type backlight module according to claim 1,
the heat dissipation part is arranged corresponding to the electric device.
4. The direct type backlight module according to claim 1,
the lamp strip is connected with the heat dissipation part.
5. The direct type backlight module according to claim 1,
the heat dissipation part comprises a connecting sheet which is fixedly connected with the back plate; and
and one end of each radiating fin is connected with the connecting sheet, and the other end of each radiating fin extends towards the direction far away from the connecting sheet.
6. The direct type backlight module according to claim 5,
the plurality of radiating fins are arranged at intervals.
7. The direct type backlight module according to claim 5,
the radiating fins are arranged in a staggered mode.
8. The direct type backlight module according to claim 1,
the lamp strip includes printed circuit board and a plurality of lamp pearl, the high height that is not higher than of radiating part the lamp strip.
9. The direct type backlight module according to claim 1,
the heat dissipation part is fixed on the back plate through a heat conduction adhesive layer.
10. A display comprising the direct type backlight module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978591.8U CN210119933U (en) | 2019-06-27 | 2019-06-27 | Direct type backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978591.8U CN210119933U (en) | 2019-06-27 | 2019-06-27 | Direct type backlight module and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210119933U true CN210119933U (en) | 2020-02-28 |
Family
ID=69616368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978591.8U Active CN210119933U (en) | 2019-06-27 | 2019-06-27 | Direct type backlight module and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210119933U (en) |
-
2019
- 2019-06-27 CN CN201920978591.8U patent/CN210119933U/en active Active
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