CN209169190U - A kind of LED lead frame that structural stability is good - Google Patents
A kind of LED lead frame that structural stability is good Download PDFInfo
- Publication number
- CN209169190U CN209169190U CN201920025753.6U CN201920025753U CN209169190U CN 209169190 U CN209169190 U CN 209169190U CN 201920025753 U CN201920025753 U CN 201920025753U CN 209169190 U CN209169190 U CN 209169190U
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- pin
- base portion
- lead frame
- led lead
- capillary groove
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Abstract
The utility model discloses a kind of good LED lead frames of structural stability, including at least one leadframes unit being formed on lead frame plate, each leadframes unit includes the first pin and second pin, first pin and second pin are in the form of sheets, and first pin leading edge and second pin leading edge it is opposite, it is equipped with waterproof step at the edge of two pins, waterproof step is located at the front and/or the back side of pin.The basic courses department of pin is provided with the second waterproof step and pin through-hole, such structure can be effectively prevented the LED lead frame in the manufacturing process of LED lead frame and be deformed.
Description
Technical field
The utility model provides a kind of LED lead frame that structural stability is good, has good structural stability.
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 LED lead frame that structural stability is good is constructed, including at least one being formed on lead frame plate
Leadframes unit, each leadframes unit has a upper surface and a lower surface, the one of the frame unit
Avris is extended with the first pin to the center position of frame unit, the lateral frame unit in the another side of the frame unit
Center position is extended with second pin, wherein the first pin and second pin are oppositely arranged, in first pin and second
There is gap between pin.
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, the center of the circular arc to the first pin base portion is recessed；
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, and the center of the circular arc to second pin base portion is recessed.
In the first pin base portion and second pin base portion, it is respectively arranged with solid material hole, admittedly the shape in material hole is also not limited,
It can be round, ellipse, rectangle or irregular shape etc..When encapsulating LED illuminator, encapsulating material can be filled into first
Admittedly expecting the adhesive force of encapsulating material on the lead frames to be enhanced, to keep LED lamp and encapsulating structure more firmly attached in hole
In LED lead frame, it is preferable that solid material hole number on each pin base portion is two or more.
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.
Further, in the first pin base portion and second pin base portion, be provided with solid material hole, admittedly material hole shape also not by
It limits, can be round, ellipse, rectangle or irregular shape etc..When encapsulating LED illuminator, encapsulating material can be filled
Expected in hole admittedly to first, the adhesive force of encapsulating material on the lead frames is enhanced, to keep LED lamp and encapsulating structure more firm
Admittedly be attached in LED lead frame.
Further, it is equipped with the first capillary groove in the first pin base portion, the first capillary groove is not parallel to the length side of pin
To namely be not parallel to namely the front-rear direction of pin.Preferably, the first capillary groove perpendicular to pin length direction, and
Its both ends extends to the both sides of the edge of pin.Preferably, the quantity of the first capillary groove is 2.
Equally, it is equipped with capillary groove in second pin base portion, the second capillary groove is not parallel to the length direction namely not of pin
It is parallel to namely the front-rear direction of pin.Preferably, the second capillary groove perpendicular to pin length direction, and its both ends extend
To the both sides of the edge of pin.Preferably, the quantity of the second capillary groove is 2.
Further, towards LED lead frame width direction, the first pin extension has development length S1, and second draws
Foot extension has development length S2, wherein S1 > S2.
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 and admittedly expect hole structure keep LED lamp and encapsulating structure stronger
Ground adheres on the lead frames.Above-mentioned LED lead frame manufacturing method effectively can be formed accurately in LED lead frame
The shape of LED lead frame and step-like edge, the first capillary groove, the accuracy of manufacture are high.
Detailed description of the invention
Fig. 1 is the good LED lead frame top view of the utility model structural stability；
Fig. 2 is one leadframes unit top view of the utility model；
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2；
The first pin of 1- base portion, the first pin of 2- extension, 3- second pin base portion, 4- second pin extension, 5- are solid
Expect hole, the first capillary groove of 6-, the second capillary groove of 7-, 8- 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, 3, the application constructs a kind of LED lead frame that structural stability is good, including is formed in lead
At least one leadframes unit on frame plate, each leadframes unit have 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 frame unit
The center position of the lateral frame unit in another side is extended with second pin, wherein the first pin and second pin are oppositely arranged,
There is gap between 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, and the center of the circular arc to the first pin base portion 1 is recessed；
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, the center of the circular arc to second pin base portion 3 is recessed.
In the first pin base portion 1 and second pin base portion 3, be respectively arranged with solid material hole 5, admittedly material hole 5 shape also not by
It limits, can be round, ellipse, rectangle or irregular shape etc..When encapsulating LED illuminator, encapsulating material can be filled
Expected in hole 5 admittedly to first, the adhesive force of encapsulating material on the lead frames is enhanced, to make LED lamp and encapsulating structure more
Be securely attached in LED lead frame, it is preferable that solid 5 quantity of material hole on each pin base portion be 2 or two with
On.
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 8.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.
Further, in the first pin base portion 1 and second pin base portion 3, it is provided with solid material hole 5, admittedly the shape in material hole 5
It is not limited, can be round, ellipse, rectangle or irregular shape etc..When encapsulating LED illuminator, encapsulating material meeting
It is filled into first to expect admittedly in hole 5, enhances the adhesive force of encapsulating material on the lead frames, to make LED lamp and encapsulation knot
Structure is more firmly attached in LED lead frame.
Further, it is equipped with the first capillary groove 6 in the first pin base portion 1, the first capillary groove 6 is not parallel to the length of pin
It direction namely is not parallel to namely the front-rear direction of pin.Preferably, the first capillary groove 6 perpendicular to pin length direction, and
And its both ends extends to the both sides of the edge of pin.Preferably, the quantity of the first capillary groove 6 is 2.
Equally, second pin base portion 3 be equipped with capillary groove, the second capillary groove 7 be not parallel to pin length direction namely
It is not parallel to namely the front-rear direction of pin.Preferably, length direction of second capillary groove 7 perpendicular to pin, and its both ends
Extend to the both sides of the edge of pin.Preferably, the quantity of the second capillary groove 7 is 2.
Further, towards LED lead frame width direction, the first pin extension 2 has development length S1, and second draws
Foot extension 4 has development length S2, wherein S1 > S2.
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 and admittedly expect hole 5 structure keep LED lamp and encapsulating structure stronger
Ground adheres on the lead frames.Above-mentioned LED lead frame manufacturing method effectively can be formed accurately in LED lead frame
The shape of LED lead frame and step-like edge, the first capillary groove 6, the accuracy of manufacture are high.
In conclusion the LED lead frame provided by the utility model for improving encapsulating structure firmness can make LED light
Body and encapsulating structure can be more firmly attached in LED lead frame, and further, the waterproof step of LED lead frame improves
The waterproof performance of LED.
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 (7)
1. a kind of good LED lead frame of structural stability, which is characterized in that including being formed on lead frame plate at least
One leadframes unit, each leadframes unit has a upper surface and a lower surface, in the frame unit
The center position of the lateral frame unit in one side be extended with the first pin, in the lateral frame list in the another side of the frame unit
The center position of member is extended with second pin, wherein the first pin and second pin are oppositely arranged, in first pin and
There is gap between second pin；First pin is made of the first pin base portion and the first pin extension, the first pin base portion
It is connected in LED lead frame, in the two sides of the first pin base portion, and is located at the first pin base portion and the extension of the first pin
The junction in portion is provided with transitional circular arc, and the center of the circular arc to the first pin base portion is recessed；Equally, second pin is by second
Pin base portion and second pin extension are constituted, and second pin base portion is connected in LED lead frame, in second pin base portion
Two sides, and the junction for being located at second pin base portion and second pin extension is provided with transitional circular arc, the circular arc to
The center of second pin base portion is recessed.
2. a kind of good LED lead frame of structural stability according to claim 1, which is characterized in that in the first pin
Base portion and second pin base portion are respectively arranged with solid material hole.
3. a kind of good LED lead frame of structural stability according to claim 1, which is characterized in that the first pin and
The edge of second pin in step-like, the ascent direction of step be by pin front rearwardly, and the step is two-stage platform
Rank, wherein the front of pin is the one side of the setting LED lamp of LED lead frame.
4. a kind of good LED lead frame of structural stability according to claim 1, which is characterized in that in the first pin
Base portion and second pin base portion are provided with capillary groove.
5. a kind of good LED lead frame of structural stability according to claim 4, which is characterized in that in the first pin
Base portion is equipped with the first capillary groove, and the first capillary groove is not parallel to the length direction of pin；It is equipped with capillary groove in second pin base portion,
Second capillary groove is not parallel to the length direction of pin, and the first capillary groove and the second capillary groove both ends extend to the two sides of pin
Edge.
6. a kind of good LED lead frame of structural stability according to claim 5, which is characterized in that the first capillary groove
Quantity with the second capillary groove is 2.
7. a kind of good LED lead frame of structural stability according to claim 1, which is characterized in that towards LED lead
Frame width direction, the first pin extension have development length S1, and second pin extension has development length S2, wherein S1
>S2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025753.6U CN209169190U (en) | 2019-01-08 | 2019-01-08 | A kind of LED lead frame that structural stability is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025753.6U CN209169190U (en) | 2019-01-08 | 2019-01-08 | A kind of LED lead frame that structural stability is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169190U true CN209169190U (en) | 2019-07-26 |
Family
ID=67328192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920025753.6U Active CN209169190U (en) | 2019-01-08 | 2019-01-08 | A kind of LED lead frame that structural stability is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169190U (en) |
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2019
- 2019-01-08 CN CN201920025753.6U patent/CN209169190U/en active Active
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