CN209169187U - A kind of compact LED lead frame - Google Patents
A kind of compact LED lead frame Download PDFInfo
- Publication number
- CN209169187U CN209169187U CN201920025545.6U CN201920025545U CN209169187U CN 209169187 U CN209169187 U CN 209169187U CN 201920025545 U CN201920025545 U CN 201920025545U CN 209169187 U CN209169187 U CN 209169187U
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- CN
- China
- Prior art keywords
- pin
- extension
- lead frame
- base portion
- led lead
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of compact LED lead frames, including at least one leadframes unit being formed on lead frame plate, each leadframes unit has a upper surface and a lower surface, on one side of the frame unit, the center position of lateral frame unit is extended with the first pin, in the another side of the frame unit, the center position of lateral frame unit is extended with second pin, wherein the first pin and second pin are oppositely arranged, there is gap between first pin and second pin, in the gap location of the first pin and second pin, it is provided with third pin, the extending direction of third pin is vertical with the extending direction of the first pin and second pin, so that LED framework structure is more compact and secured.
Description
Technical field
The utility model provides a kind of compact LED lead frame, has good heat dissipation and waterproof performance.
Background technique
Chip carrier of the lead frame as integrated circuit is that one kind is drawn by means of bonding material realization chip internal circuits
The electrical connection of outlet and outer lead forms the key structure part of electric loop.It plays the bridge connected with outer lead
It acts on, requires to be basic material important in electronics and information industry using lead frame in most semiconductor integrated blocks
Material.LED lead frame is then the electrical connection for realizing LED lamp bead internal circuit exit and outer lead.The waterproof performance of LED compared with
Difference, the lead in packaged LED stretch out outside encapsulating structure, if LED meets water accidentally, water may then enter encapsulation along lead
In structure, the performance of LED is influenced.In addition, LED lamp and encapsulating structure will be rigidly attached to lead frame when encapsulation LED lamp
On.But the surface of lead frame be usually it is flat and smooth, be unfavorable for adhering to.
Utility model content
In order to solve the above defects or improvement requirements in the prior art, the utility model devises the new LED of one kind and draws
Wire frame.
The technical solution that the application utility model solves the technical problem is:
A kind of compact LED lead frame is constructed, including at least one lead frame being formed on lead frame plate
Unit, each leadframes unit has a upper surface and a lower surface, in the lateral frame in one side of the frame unit
The center position of frame unit is extended with the first pin, in the center position of the lateral frame unit in the another side of the frame unit
It is extended with second pin, wherein the first pin and second pin are oppositely arranged, between first pin and second pin
With gap.In the gap location of the first pin and second pin, it is provided with third pin, the extending direction of third pin and first
Pin and the extending direction of second pin are vertical.
First pin is made of the first pin base portion and the first pin extension, and the first pin base portion is connected to be drawn in LED
On wire frame, in the two sides of the first pin base portion, and the junction for being located at the first pin base portion and the first pin extension is set
It is equipped with transitional circular arc, which outwardly protrudes backwards to the center of the first pin base portion；
Equally, second pin is made of second pin base portion and second pin extension, and second pin base portion is connected to
In LED lead frame, in the two sides of second pin base portion, and it is located at the connection of second pin base portion and second pin extension
Place is provided with transitional circular arc, which is outwardly protruded to the center of second pin base portion.
Further, the first pin and the edge of second pin can be in step-like.Preferably, the rising of the step of pin
Direction be by pin front rearwardly, and the step be two-stage step.Wherein, the front of pin is LED lead frame
Setting LED lamp one side.When encapsulating LED, encapsulating material is fitted on stepped edge, and step-like edge facilitates
Encapsulating structure in conjunction with LED lead frame it is stronger.
Preferably, towards LED lead frame width direction, the first pin extension has development length S1, second pin
Extension has development length S2, wherein S1=S2.
Third pin is made of third pin base portion and third pin extension, and third pin base portion is connected to be drawn in LED
On wire frame, the extension of third pin is rendered as triangle, the extension of the triangle be deep into the first pin extension and
Between second pin extension, the edge of third pin is provided with step, and when encapsulating LED, encapsulating material fits to step-like
On edge, step-like edge facilitate encapsulating structure in conjunction with LED lead frame it is stronger；
Further, the remote edge of the first pin extension and second pin extension has chamfering, the chamfering and the
Three pin extension shapes cooperation, so that LED framework structure is more compact and secured.
Implement technical solution of the present invention, at least has below the utility model has the advantages that the capillary groove of LED lead frame improves
The waterproof performance of LED, further, step-like edge make LED lamp and encapsulating structure be more firmly attached to lead frame
On.Above-mentioned LED lead frame manufacturing method can effectively and accurately form the outer of LED lead frame in LED lead frame
Shape and the step-like edge accuracy of manufacture are high.
Detailed description of the invention
Fig. 1 is the utility model compact LED lead frame top view；
Fig. 2 is one leadframes unit top view of the utility model；
The first pin of 1- base portion, the first pin of 2- extension, 3- second pin base portion, 4- second pin extension, 5-
Three pin base portions, 6- third pin extension, 7- step；
In Figure of description, dimensional units are millimeter.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.In the description of the LED lead frame of the utility model, it is to be understood that
The terms such as "front", "rear", "upper", "lower" are merely for convenience of description the utility model, rather than indicate signified device or member
Part must have a particular orientation, therefore should not be understood as limiting the present invention.
As shown in Figure 1, 2, the application constructs a kind of compact LED lead frame, including is formed on lead frame plate
At least one leadframes unit, each leadframes unit have a upper surface and a lower surface, in the frame
The center position of the lateral frame unit in one side of frame unit is extended with the first pin, lateral in the another side of the frame unit
The center position of frame unit is extended with second pin, wherein the first pin and second pin are oppositely arranged, described first
There is gap between pin and second pin.In the gap location of the first pin and second pin, it is provided with third pin, third is drawn
The extending direction of foot is vertical with the extending direction of the first pin and second pin.
First pin is made of the first pin base portion 1 and the first pin extension 2, and the first pin base portion 1 is connected in LED
On lead frame, in the two sides of the first pin base portion 1, and it is located at the connection of the first pin base portion 1 and the first pin extension 2
Place is provided with transitional circular arc, which outwardly protrudes backwards to the center of the first pin base portion 1；
Equally, second pin is made of second pin base portion 3 and second pin extension 4, and second pin base portion 3 is connected to
In LED lead frame, in the two sides of second pin base portion 3, and it is located at second pin base portion 3 and second pin extension 4
Junction be provided with transitional circular arc, which is outwardly protruded to the center of second pin base portion 3.
Further, the first pin and the edge of second pin can be in 7 shape of step.Preferably, the step 7 of pin is upper
Rise direction be by pin front rearwardly, and the step 7 be two-stage step 7.Wherein, the front of pin is LED lead
The one side of the setting LED lamp of frame.When encapsulating LED, encapsulating material is fitted on 7 shape edge of step, the edge of 7 shape of step
Facilitate encapsulating structure in conjunction with LED lead frame it is stronger.
Preferably, towards LED lead frame width direction, the first pin extension 2 has development length S1, second pin
Extension 4 has development length S2, wherein S1=S2.
Third pin is made of third pin base portion 5 and third pin extension 6, and third pin base portion 5 is connected in LED
On lead frame, the extension of third pin is rendered as triangle, and the extension of the triangle is deep into the first pin extension 2
Between second pin extension 4, the edge of third pin is provided with step 7, and when encapsulating LED, encapsulating material fits to platform
On 7 shape edge of rank, the edge of 7 shape of step facilitate encapsulating structure in conjunction with LED lead frame it is stronger；
Further, the remote edge of the first pin extension 2 and second pin extension 4 have chamfering, the chamfering with
6 shape of third pin extension cooperation, so that LED framework structure is more compact and secured.
Implement technical solution of the present invention, at least has below the utility model has the advantages that the capillary groove of LED lead frame improves
The waterproof performance of LED, further, the edge of 7 shape of step make LED lamp and encapsulating structure be more firmly attached to lead frame
On.Above-mentioned LED lead frame manufacturing method can effectively and accurately form the outer of LED lead frame in LED lead frame
The edge accuracy of manufacture of 7 shape of shape and step is high, and further, the waterproof step of LED lead frame improves the waterproofness of LED
Energy.
Although the description provided above and in specification includes many details, these should not be construed as limited to this
The range of utility model, but the example and explanation for some embodiments being provided solely in the embodiments of the present invention.Therefore,
The scope of the utility model should be determined by appended claims and its legal equivalents, rather than the implementation by providing in specification
Example determines.
Claims (6)
1. a kind of compact LED lead frame, which is characterized in that including at least one lead being formed on lead frame plate
Frame unit, each leadframes unit has a upper surface and a lower surface, in an avris of the frame unit
It is extended with the first pin to the center position of frame unit, at the center of the lateral frame unit in the another side of the frame unit
Direction is extended with second pin, wherein the first pin and second pin are oppositely arranged, in first pin and second pin
Between there is gap, the gap location of the first pin and second pin is provided with third pin, the extending direction of third pin with
First pin and the extending direction of second pin are vertical.
2. a kind of compact LED lead frame according to claim 1, which is characterized in that the first pin is by the first pin
Base portion and the first pin extension are constituted, and the first pin base portion is connected in LED lead frame, the two of the first pin base portion
Side, and the junction for being located at the first pin base portion and the first pin extension is provided with transitional circular arc, the circular arc backwards the
The center of one pin base portion outwardly protrudes；Equally, second pin is made of second pin base portion and second pin extension, and second
Pin base portion is connected in LED lead frame, in the two sides of second pin base portion, and is located at second pin base portion and second
The junction of pin extension is provided with transitional circular arc, which is outwardly protruded to the center of second pin base portion.
3. a kind of compact LED lead frame according to claim 1, which is characterized in that the first pin, second pin,
The edge of third pin is in step-like.
4. a kind of compact LED lead frame according to claim 3, which is characterized in that the rising side of the step of pin
To for by pin front rearwardly, and the step be two-stage step.
5. a kind of compact LED lead frame according to claim 4, which is characterized in that third pin is by third pin
Base portion and third pin extension are constituted, and third pin base portion is connected in LED lead frame, and the extension of third pin is in
It is now triangle, the extension of the triangle is deep between the first pin extension and second pin extension, the first pin
The remote edge of extension and second pin extension has chamfering, and the chamfering and third pin extension shape cooperate.
6. a kind of compact LED lead frame according to claim 5, which is characterized in that the first pin extension has
Development length S1, second pin extension have development length S2, wherein S1=S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025545.6U CN209169187U (en) | 2019-01-08 | 2019-01-08 | A kind of compact LED lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025545.6U CN209169187U (en) | 2019-01-08 | 2019-01-08 | A kind of compact LED lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169187U true CN209169187U (en) | 2019-07-26 |
Family
ID=67328182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920025545.6U Active CN209169187U (en) | 2019-01-08 | 2019-01-08 | A kind of compact LED lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169187U (en) |
-
2019
- 2019-01-08 CN CN201920025545.6U patent/CN209169187U/en active Active
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