CN209460539U - A kind of LED light bar and display - Google Patents
A kind of LED light bar and display Download PDFInfo
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- CN209460539U CN209460539U CN201920319018.6U CN201920319018U CN209460539U CN 209460539 U CN209460539 U CN 209460539U CN 201920319018 U CN201920319018 U CN 201920319018U CN 209460539 U CN209460539 U CN 209460539U
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- terminal pad
- cooling fin
- led light
- led
- light bar
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Abstract
The application is suitable for LED luminaire technical field, provides a kind of LED light bar and display.The LED light bar of the application includes pcb board, several LED luminescence units and several cooling fins, several line units that pcb board includes at least substrate and is set on substrate, each line unit includes positive terminal pad and negative terminal pad, each LED luminescence unit respectively corresponds each line unit setting, and the two pins of LED luminescence unit are respectively welded in corresponding positive terminal pad and corresponding negative terminal pad, each cooling fin respectively corresponds each LED luminescence unit and is arranged and connect with positive terminal pad or negative terminal pad.The manufacturing cost and working service cost of LED light bar are so lessened then only needing the great power LED luminescence unit of negligible amounts that can meet the illumination effect of LED light bar by the way that cooling fin corresponding with each LED luminescence unit is arranged.
Description
Technical field
The application belongs to LED luminaire technical field, in particular to a kind of LED light bar and display.
Background technique
With the development of science and technology LED (light emitting diode) illuminating part be widely used in display, television set and
The numerous areas such as decorative lighting.In liquid crystal display, LED illuminating part is used usually as the light source for showing equipment.
In the prior art, it shows that the LED illuminating part in equipment is mostly small-power illuminating part, LED can be controlled in this way and shone
The fever of part, to guarantee the service life of LED illuminating part.However, since the power of LED illuminating part is smaller, to guarantee display
Brightness, the quantity for increasing LED illuminating part of just having to, and then it is soaring to will lead to cost.
Summary of the invention
The application's is designed to provide a kind of LED light bar, it is intended to solve display equipment in LED luminescence unit quantity compared with
The technical problem for more causing cost soaring.
The application is achieved in that a kind of LED light bar, comprising:
Pcb board, including at least substrate and several line units being set on the substrate, each line unit is equal
Including positive terminal pad and negative terminal pad；
Several LED luminescence units, each LED luminescence unit respectively correspond each line unit setting, and the LED
The two pins of luminescence unit are respectively welded in the corresponding positive terminal pad and the corresponding negative terminal pad；
Several cooling fins, each cooling fin respectively correspond each LED luminescence unit setting and with the positive terminal pad
Or the negative terminal pad connection.
In one embodiment, the area of the negative terminal pad is greater than the area of the corresponding positive terminal pad, each described
Cooling fin is connected to each negative terminal pad.
In one embodiment, the area of the positive terminal pad is greater than the area of the corresponding negative terminal pad, each described
Cooling fin is connected to each positive terminal pad.
In one embodiment, the cooling fin is directly connected to the positive terminal pad or the negative terminal pad, and fixed
In on the pcb board.
In one embodiment, the cooling fin is copper sheet.
In one embodiment, the cooling fin is connected to the corresponding positive terminal pad or described negative by connector
Pole pad, and separately with the pcb board.
In one embodiment, the connector is in long strip.
In one embodiment, the connector is copper connector.
In one embodiment, the connector and the corresponding cooling fin are welded to connect；
Alternatively, the connector and the corresponding cooling fin are integrally formed.
LED light bar provided by the embodiments of the present application, by forming the line with positive terminal pad and negative terminal pad on pcb board
Road unit, and the two pins of each LED luminescence unit are connected with positive terminal pad and negative terminal pad respectively, it is just real first in this way
The electric connection for having showed each LED luminescence unit and pcb board connects cooling fin by positive terminal pad or negative terminal pad, i.e., setting with
The corresponding cooling fin of each LED luminescence unit, each LED luminescence unit at work caused by heat just can be radiated in time
The loss of piece institute, just can allow for the power of each LED luminescence unit to dramatically increase in this way, then due to the presence of cooling fin, and dissipate
Backing is connected with positive terminal pad or negative terminal pad, only needs the great power LED luminescence unit of negligible amounts that can meet LED in this way
The illumination effect of lamp bar, so as to significantly reduce the quantity of LED luminescence unit, the presence of cooling fin also can effectively promote LED
The service life of luminescence unit so lessens the manufacturing cost and working service cost of LED light bar.
The another object of the application is to provide a kind of display, including backlight module and the light out for being set to backlight module
The display panel of side, backlight module include above-mentioned LED light bar.
Display provided by the embodiments of the present application, due to including above-mentioned LED light bar, then due to above-mentioned LED light
Item has the great power LED luminescence unit and corresponding cooling fin of negligible amounts, just can guarantee in this way to display panel
While enough brightness is provided, it is significantly reduced the whole manufacturing cost and working service cost of display.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the application
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram one of LED light bar provided by the embodiments of the present application；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the enlarged view of the cooling fin of LED light bar provided by the embodiments of the present application and the connection structure of negative terminal pad；
Fig. 4 is the structural schematic diagram two of LED light bar provided by the embodiments of the present application；
Fig. 5 is the partial enlarged view in Fig. 4 at B；
Fig. 6 is the structural schematic diagram three of LED light bar provided by the embodiments of the present application；
Fig. 7 is the partial enlarged view in Fig. 6 at C.
Wherein, each appended drawing reference in figure:
10-pcb board 11-substrate, 12-line units
13-positive terminal pad 14-negative terminal pad, 20-LED luminescence units
30-31-connectors of cooling fin.
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, below in conjunction with attached drawing 1~7 and implement
Example, is further elaborated the application.It should be appreciated that specific embodiment described herein is only to explain this Shen
Please, it is not used to limit the application.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects and is located on another component.When a component referred to as " is connected to " another component, it be can be directly or indirectly
It is connected on another component.Term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top",
The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on the figure or position, are merely for convenience of describing,
It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating technical characteristic.The meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In order to illustrate technical solution described herein, it is described in detail below in conjunction with specific accompanying drawings and embodiments.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of LED light bar, including pcb board 10, several LED shine
Unit 20 and several cooling fins 30.Wherein, pcb board 10 includes at least substrate 11, is provided with several line units 12 on substrate 11.
Each line unit 12 includes positive terminal pad 13 and negative terminal pad 14, and positive terminal pad 13 and negative terminal pad 14 are for connecting LED
The positive and negative anodes of luminescence unit.Specifically, substrate 11 is in long strip, and each line unit 12 is arranged along the length direction of substrate 11.
Further, each LED luminescence unit 20 respectively corresponds each line unit 12 and is arranged, and LED luminescence unit 20 is just
Pole pin and negative pin are respectively welded in corresponding positive terminal pad 13 and corresponding negative terminal pad 14.And each cooling fin 30 with just
Pole pad 13 and negative terminal pad 14 connect one to one, that is, each cooling fin 30 respectively corresponds each LED luminescence unit 20 and is arranged to escape
Dissipate heat caused by each LED luminescence unit 20.Wherein, each cooling fin 30 can be welded directly with corresponding positive terminal pad 13 or cathode
Disk 14 is connected, and can also be connect by conducting wire with positive terminal pad 13 or negative terminal pad 14, and then between each LED luminescence unit 20
Every setting.When conducting wire is longer, cooling fin 30 can also be arranged with pcb board interval, at this time cooling fin can be placed in pcb board it
On outer other structures part.
LED light bar provided by the embodiments of the present application is described further below: LED light provided by the embodiments of the present application
Item by forming the line unit 12 with positive terminal pad 13 and negative terminal pad 14 on pcb board 10, and makes each LED shine
The two pins of unit 20 are connected with positive terminal pad 13 and negative terminal pad 14 respectively, and it is luminous single just to realize each LED first in this way
Member 20 and the electric connection of pcb board 10, in addition, connect cooling fin 30 by positive terminal pad 13 or negative terminal pad 14, i.e., setting with
The corresponding cooling fin 30 of each LED luminescence unit 20, generated heat just can be timely at work for each LED luminescence unit 20
By 30 loss of cooling fin, the power of each LED luminescence unit 20 just can allow for dramatically increase in this way, then due to cooling fin 30
Presence, only need the great power LED luminescence unit 20 of negligible amounts that can meet the illumination effect of LED light bar in this way, so as to
The quantity of LED luminescence unit 20 is significantly reduced, each LED luminescence unit 20 configures a cooling fin 30, and sinking path is consistent, whole
A lamp bar heat dissipation uniformly, can effectively promote the service life of LED luminescence unit 20, so lessen the manufacture of LED light bar
Cost and working service cost, while can simplify the structure of lamp bar, make its better reliability.
In one embodiment of the application, as shown in Fig. 2, the area of negative terminal pad 14 is greater than corresponding positive terminal pad 13
Area.Specifically, it by the way that the area of negative terminal pad 14 to be set greater than to the area of positive terminal pad 13, just also gives in this way
The bigger welding space of negative terminal pad 14 can be welded with other objects in addition to the pin of LED luminescence unit 20
Connection, effectively improves LED light bar functions expanding provided by the embodiments of the present application.
In one embodiment of the application, as shown in Fig. 2, each cooling fin 30 is connected to each negative terminal pad 14.Tool
Body, since negative terminal pad 14 possesses considerable welding space, such cooling fin 30 can be and being connected to negative terminal pad 14
It realizes and is fixedly connected with pcb board 10 first.Simultaneously as metal heat-conducting heat transfer is very fast, it is connected to the heat dissipation of negative terminal pad 14
Piece 30 can be by negative terminal pad 14 by the heat absorption given out from the pin of LED luminescence unit 20 and loss is to extraneous ring
Border, to realize the high efficiency and heat radiation to LED luminescence unit 20.Meanwhile the area of positive terminal pad 13 can also be greater than corresponding bear
The area of pole pad 14, at this point, each cooling fin 30 can be also connected in each positive terminal pad 13.
In one embodiment of the application, as shown in figure 3, cooling fin 30 is directly connected in positive terminal pad 13 or cathode
On pad 14, and it is fixed on pcb board 10.Specifically, the one side edge Yu positive terminal pad 13 or negative terminal pad of cooling fin 30
14 by soldering being directly welded to connect, just can so significantly increase cooling fin 30 and positive terminal pad 13 or negative terminal pad 14
Contact area has then been obviously improved the radiating efficiency of heat transfer rate and cooling fin 30.
In one embodiment of the application, as shown in figures 4-6, cooling fin 30 is connected to corresponding by connector 31
Negative terminal pad 14.Specifically, since there are connectors 31 between cooling fin 30 and negative terminal pad 14, heat dissipation is just avoided in this way
Piece 30 is directly welded in the assembly space in negative terminal pad 14 and tying up pcb board 10, just makes the assembly space of pcb board 10 in this way
It can obtain optimal utilization.
In one embodiment of the application, connector 31 can be flexible connecting member 31.Specifically, by by connector 31
It is set as flexible connecting member 31, the relative position between such cooling fin 30 and LED luminescence unit 20 can be adjusted flexibly, so that
Cooling fin 30 can be set to optimum position according to the practical set situation of LED luminescence unit 20, to adapt to assembly space
Structure and heat radiation piece 30 radiating efficiency.
In one embodiment of the application, connector 31 can be hard connector.Specifically, by setting connector 31
Be set to hard connector, object be auxiliarily fixed without the external world in this way, merely by connector 31 can be realized cooling fin 30 relative to
The fixation of pcb board 10, to create a further reduction the manufacturing cost of LED light bar.
In one embodiment of the application, as shown in figure 5 and figure 7, connector 31 is in long strip.Specifically, connector
31 be in strip sheet, by the way that connector 31 is set as strip sheet, just significantly increases the heat dissipation area of connector 31 in this way,
And then further improve the radiating efficiency of LED luminescence unit 20.
Further, connector 31 can also be linear in strip, by the way that connector 31 is set as strip threadiness, just increases in this way
Add the deformability of connector 31, is convenient for the relative position in assembly, between cooling fin 30 and LED luminescence unit 20
It is adjusted flexibly.
In one embodiment of the application, connector 31 is copper connector.Specifically, by the way that connector 31 to be set as
Copper connector, then having benefited from the excellent heating conduction of copper, the heat transfer of connector 31 and heat-sinking capability just also can be obtained and significantly mention
It rises, so that a part of heat caused by LED luminescence unit 20 is just consumed from connector 31 before not reaching cooling fin 30
It dissipates also further to improve the radiating efficiency of LED luminescence unit 20.
In one embodiment of the application, cooling fin 30 is copper sheet.Specifically, by the way that cooling fin 30 is set as copper
Piece just ensure that the heat dissipation performance of cooling fin 30 in this way, enable be transferred to the heat of cooling fin 30 quickly loss to outer
Boundary.Further, the upper surface and lower end surface of cooling fin 30 can be formed with needle fin structure, so just further improve scattered
The surface area of backing 30, so that the heat dissipation performance of cooling fin 30 can be significantly improved.
In one embodiment of the application, connector 31 and corresponding cooling fin 30 are welded to connect or connector 31
It is integrally formed with corresponding cooling fin 30.Specifically, by the way that connector 31 and cooling fin 30 to be welded to connect, just guaranteeing in this way
While the connective stability of connector 31 and cooling fin 30, it is significantly reduced Joining Technology cost, when 31 He of connector
When cooling fin 30 is dissimilar metal, the connection of connector 31 and cooling fin 30 can also be met by welding.And pass through so that connection
Part 31 and cooling fin 30 are integrally formed, and just further reduced the Joining Technology cost of connector 31 Yu cooling fin 30 in this way, and
So that connector 31 and cooling fin 30 can be achieved at the same time mass production.Further, connector 31 and cooling fin 30 can one
Body punch forming, also can integrally casting shaping.
The embodiment of the present application also provides a kind of displays, including backlight module and the light emission side for being set to backlight module
Display panel, backlight module include above-mentioned LED light bar.Specifically, LED light bar correspond to display panel setting think display panel
Illumination is provided.
Display provided by the embodiments of the present application, due to including above-mentioned LED light bar, then due to above-mentioned LED light
Item has the great power LED luminescence unit 20 and corresponding cooling fin 30 of negligible amounts, is just guaranteeing in this way to display panel
While enough brightness is provided, it is significantly reduced the whole manufacturing cost and working service cost of display.
The above is only the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within principle.
Claims (10)
1. a kind of LED light bar, it is characterised in that: include:
Pcb board, including at least substrate and several line units being set on the substrate, each line unit includes
Positive terminal pad and negative terminal pad；
Several LED luminescence units, each LED luminescence unit respectively corresponds each line unit setting, and the LED shines
The two pins of unit are respectively welded in the corresponding positive terminal pad and the corresponding negative terminal pad；
Several cooling fins, each cooling fin respectively correspond each LED luminescence unit setting and with the positive terminal pad or
The negative terminal pad connection.
2. LED light bar according to claim 1, it is characterised in that: the area of the negative terminal pad is greater than corresponding described
The area of positive terminal pad, each cooling fin are connected to each negative terminal pad.
3. LED light bar according to claim 1, it is characterised in that: the area of the positive terminal pad is greater than corresponding described
The area of negative terminal pad, each cooling fin are connected to each positive terminal pad.
4. described in any item LED light bars according to claim 1~3, it is characterised in that: the cooling fin be directly connected to it is described just
Pole pad or the negative terminal pad, and be fixed on the pcb board.
5. described in any item LED light bars according to claim 1~3, it is characterised in that: the cooling fin is copper sheet.
6. described in any item LED light bars according to claim 1~3, it is characterised in that: the cooling fin is connected by connector
In the corresponding positive terminal pad or the negative terminal pad, and separately with the pcb board.
7. LED light bar according to claim 6, it is characterised in that: the connector is in long strip.
8. LED light bar according to claim 6, it is characterised in that: the connector is copper connector.
9. LED light bar according to claim 6, it is characterised in that: the connector and the corresponding cooling fin welding
Connection；
Alternatively, the connector and the corresponding cooling fin are integrally formed.
10. a kind of display, it is characterised in that: the display surface including backlight module He the light emission side for being set to the backlight module
Plate, the backlight module include LED light bar according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319018.6U CN209460539U (en) | 2019-03-12 | 2019-03-12 | A kind of LED light bar and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319018.6U CN209460539U (en) | 2019-03-12 | 2019-03-12 | A kind of LED light bar and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460539U true CN209460539U (en) | 2019-10-01 |
Family
ID=68047174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920319018.6U Active CN209460539U (en) | 2019-03-12 | 2019-03-12 | A kind of LED light bar and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209460539U (en) |
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2019
- 2019-03-12 CN CN201920319018.6U patent/CN209460539U/en active Active
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