CN209169188U - A kind of LED lead frame - Google Patents
A kind of LED lead frame Download PDFInfo
- Publication number
- CN209169188U CN209169188U CN201920025548.XU CN201920025548U CN209169188U CN 209169188 U CN209169188 U CN 209169188U CN 201920025548 U CN201920025548 U CN 201920025548U CN 209169188 U CN209169188 U CN 209169188U
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- pin
- hole
- base portion
- lead frame
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Abstract
The utility model discloses a kind of 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, first pin has the first pin base portion and the first pin extension, second pin has second pin base portion and second pin extension, solid material hole and pin shape hole are equipped on first pin and second pin, the width of first pin base portion is greater than the width of the extension of the first pin, and first pin present L shape；The width of second pin base portion is less than the width of second pin extension, and in linear.
Description
Technical field
The utility model provides a kind of packaging part, 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: constructing a kind of LED lead frame, including is formed
At least one leadframes unit on lead frame plate, each leadframes unit have under a upper surface and one
Surface, on one side of the frame unit, the center position of lateral frame unit is extended with the first pin, in the frame
The center position of the lateral frame unit in the another side of unit is extended with second pin, wherein the first pin and second pin are set in opposite directions
It sets.
Wherein, the first pin has the first pin base portion and the first pin extension, and second pin has second pin base
Portion and second pin extension are equipped with solid material hole and pin shape hole on the first pin and second pin.
Preferably, the width of the first pin base portion is greater than the width of the extension of the first pin, and L is presented in the first pin
Shape；The width of second pin base portion is less than the width of second pin extension, and in linear.
Preferably, first draws heel and is arranged with solid material hole, admittedly the quantity in material hole can be one, admittedly material hole is in elongated
And it is parallel to the length direction of the first pin.But admittedly it's not limited to that for the quantity in material hole, such as its quantity can be three,
In two admittedly material hole can be along perpendicular to pin length direction lineal layout in the first pin base portion, another expects hole location admittedly
In the first pin extension.Admittedly the shape in material hole is also limited to above-mentioned elongated, or round, ellipse, rectangle or not
Regular shape etc..When encapsulating LED, encapsulating material can be filled into solid material hole, enhance encapsulating material on the lead frames
Adhesive force, so that LED lamp and encapsulating structure be made to be more firmly attached in LED lead frame.
Preferably, second pin base portion is equipped with expects hole admittedly.Admittedly expect that the quantity in hole can be one, admittedly material hole is in elongated and puts down
Row is in the length direction of second pin.Admittedly but it's not limited to that for the quantity in material hole, such as its quantity can be one, the solid material
Hole is located at the first pin base portion.Admittedly the shape in material hole is also limited to above-mentioned elongated, or round, ellipse, rectangle or
Irregular shape etc..When encapsulating LED, encapsulating material can be filled into solid material hole, enhance encapsulating material on the lead frames
Adhesive force, so that LED lamp and encapsulating structure be made to be more firmly attached in LED lead frame.
Preferably, leadframes unit is equipped with pin shape hole, and pin shape hole is located at the first pin base portion and second
Pin base portion.Pin shape hole can be used for constructing the rear end shape of pin；It can be used for solid material, encapsulating material is filled into pin
In shape hole, to enhance the adhesive force of encapsulating material on the lead frames, make encapsulating structure in conjunction with LED lead frame more
Securely.
Preferably, the edge of the preceding part of the first pin and second pin can be in waterproof step, it is preferable that preceding part
The ascent direction of waterproof step be by pin front rearwardly, and the waterproof step be two-stage waterproof step.Wherein, pin
Front be LED lead frame setting LED lamp one side.When encapsulating LED, encapsulating material fits to waterproof step side
On edge, the edge of waterproof step facilitate encapsulating structure in conjunction with LED lead frame it is stronger
Preferably, admittedly the bore edges in material hole have waterproof step, the ascent direction of the waterproof step of preceding part is by pin
Front rearwardly, and the waterproof step be two-stage waterproof step.Wherein, the front of pin is setting for LED lead frame
Set the one side of LED lamp.When encapsulating LED, encapsulating material is fitted in waterproof step edge, and the edge of waterproof step facilitates
Encapsulating structure in conjunction with LED lead frame it is stronger.
Implement the technical solution of the utility model, at least with it is below the utility model has the advantages that LED lead frame waterproof step
Improve LED waterproof performance, the edge of waterproof step and admittedly expect hole structure keep LED lamp and encapsulating structure more firmly attached
On the lead frames.
Detailed description of the invention
Fig. 1 is the utility model LED lead frame top view；
Fig. 2 is one leadframes unit top view of the utility model；
Fig. 3 is the cross-sectional view in Fig. 2 along the direction A-A；
The first pin of 1-, the first pin of 1.1- base portion, the first pin of 1.2- extension, 2- second pin, 2.1- second draw
Foot base portion, 2.2- second pin extension, 3- expect hole, 4- shape hole, 5- waterproof step admittedly.
Wherein, the unit of size is millimeter in attached drawing.
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, a kind of LED lead frame 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 1 to the center position of frame unit, in the lateral frame unit in the another side of the frame unit
Center position be extended with second pin 2, wherein the first pin 1 and second pin 2 are oppositely arranged.
Wherein, the first pin 1 has the first pin base portion 1.1 and the first pin extension 1.2, and second pin 2 has the
Two pin base portions 2.1 and second pin extension 2.2 are equipped with outside solid material hole 3 and pin on first pin 1 and second pin 2
Shape hole 4.
Preferably, the width of the first pin base portion 1.1 is greater than the width of the extension of the first pin 1, and the first pin 1 is in
Existing L shape；The width of second pin base portion 2.1 is less than the width of second pin extension 2.2, and in linear.
Preferably, the rear portion of the first pin 1 is arranged with solid material hole 3, admittedly the quantity in material hole 3 can be one, admittedly material hole 3 is in
Length direction that is elongated and being parallel to the first pin 2.Admittedly but it's not limited to that for the quantity in material hole 3, such as its quantity can be
Three, two of them expect that hole 3 can be along perpendicular to pin length direction lineal layout in the first pin base portion 1.1, in addition admittedly
One is expected that hole 3 is located at the first pin extension 1.2 admittedly.Admittedly the shape in material hole 3 is also limited to above-mentioned elongated, or circle
Shape, ellipse, rectangle or irregular shape etc..When encapsulating LED, encapsulating material can be filled into solid material hole 3, enhance envelope
The adhesive force of package material on the lead frames, so that LED lamp and encapsulating structure be made to be more firmly attached to LED lead frame
On.
Preferably, the rear portion of second pin 2 is arranged with solid material hole 3.Admittedly expect that the quantity in hole 3 can be one, admittedly material hole 3 is in
Length direction that is elongated and being parallel to second pin 2.Admittedly but it's not limited to that for the quantity in material hole 3, such as its quantity can be
One, this expects that hole 3 is located at the first pin base portion 1.1 admittedly.Admittedly the shape in material hole 3 is also limited to above-mentioned elongated, or circle
Shape, ellipse, rectangle or irregular shape etc..When encapsulating LED, encapsulating material can be filled into solid material hole 3, enhance encapsulation
The adhesive force of material on the lead frames, so that LED lamp and encapsulating structure be made to be more firmly attached in LED lead frame.
Preferably, leadframes unit is equipped with pin shape hole 4, and pin shape hole 4 is located at 1.1 He of the first pin base portion
Second pin base portion 2.1.Pin shape hole 4 can be used for constructing the rear end shape of pin；It can be used for solid material, encapsulating material is filled out
It is charged in pin shape hole 4, to enhance the adhesive force of encapsulating material on the lead frames, makes encapsulating structure and LED lead frame
Frame combines stronger.
Preferably, the edge of the preceding part of the first pin 1 and second pin 2 can be in waterproof step 5, it is preferable that front
Point waterproof step 5 ascent direction be by pin front rearwardly, and the waterproof step 5 be two-stage waterproof step 5.Its
In, the front of pin is the one side of the setting LED lamp of LED lead frame.When encapsulating LED, encapsulating material fits to anti-
On 5 edge of water step, the edge of waterproof step 5 facilitate encapsulating structure in conjunction with LED lead frame it is stronger
Preferably, admittedly waterproof step 5 is presented in the bore edges in material hole 3, the ascent direction of the waterproof step 5 of preceding part is by drawing
Foot front rearwardly, and the waterproof step 5 be two-stage waterproof step 5.Wherein, the front of pin is LED lead frame
Setting LED lamp one side.When encapsulating LED, encapsulating material is fitted on 5 edge of waterproof step, the edge of waterproof step 5
Facilitate encapsulating structure in conjunction with LED lead frame it is stronger.
Implement the technical solution of the utility model, at least with it is below the utility model has the advantages that LED lead frame waterproof step
Improve LED waterproof performance, it is preferable that the edge of waterproof step 5 and admittedly expect hole 3 structure make LED lamp and encapsulating structure
It is more firmly attached on lead frame.
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.For example,
The first, second, third, fourth, the shape of the five, the 6th through-holes can be round, oval or oval etc..Therefore, this reality
It should be determined by appended claims and its legal equivalents with novel range, rather than the embodiment by providing in specification is true
It is fixed.
Claims (5)
1. a kind of LED lead frame, it is characterised in that: including at least one the lead frame list being formed on lead frame plate
Member, 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 unit is extended with the first pin, and in the another side of the frame unit, the center position of lateral frame unit prolongs
Stretching has second pin, wherein the first pin and second pin are oppositely arranged, there is the first pin the first pin base portion and first to draw
Foot extension, second pin have second pin base portion and second pin extension, are equipped in the first pin and second pin
Admittedly expecting hole and pin shape hole, the width of the first pin base portion is greater than the width of the extension of the first pin, and the first pin is in
Existing L shape；The width of second pin base portion is less than the width of second pin extension, and in linear.
2. LED lead frame according to claim 1, which is characterized in that first, which draws heel, is arranged with solid material hole, Gu
The quantity for expecting hole is three, admittedly material hole is in length direction that is elongated and being parallel to the first pin, wherein and two are expected hole along vertical admittedly
In pin length direction for lineal layout in the first pin base portion, another expects that hole is located at the first pin extension admittedly.
3. LED lead frame according to claim 1, which is characterized in that second pin base portion is equipped with expects hole admittedly, admittedly expect hole
Quantity be one, admittedly material hole be in length direction that is elongated and being parallel to second pin.
4. LED lead frame according to claim 1, which is characterized in that the leadframes unit is equipped with pin
Shape hole, pin shape hole are located at the first pin base portion and second pin base portion.
5. LED lead frame according to claim 1, which is characterized in that first pin and described second draws
The edge of the preceding part of foot is in waterproof step, the ascent direction of the waterproof step of preceding part be by pin front rearwardly, and
And the waterproof step is two-stage waterproof step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025548.XU CN209169188U (en) | 2019-01-08 | 2019-01-08 | A kind of LED lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920025548.XU CN209169188U (en) | 2019-01-08 | 2019-01-08 | A kind of LED lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169188U true CN209169188U (en) | 2019-07-26 |
Family
ID=67328179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920025548.XU Active CN209169188U (en) | 2019-01-08 | 2019-01-08 | A kind of LED lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169188U (en) |
-
2019
- 2019-01-08 CN CN201920025548.XU patent/CN209169188U/en active Active
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