CN206312931U

CN206312931U - A kind of steady type LED support

Info

Publication number: CN206312931U
Application number: CN201621484756.9U
Authority: CN
Inventors: 金铮; 邵铁风; 吕龙龙
Original assignee: JOINTEC CO Ltd
Current assignee: JOINTEC CO Ltd
Priority date: 2016-12-31
Filing date: 2016-12-31
Publication date: 2017-07-07
Anticipated expiration: 2026-12-31

Abstract

The utility model is related to a kind of steady type LED support, including pedestal and pin, accommodating cavity is offered on pedestal, and, resin bed is filled between the pedestal and pin, wherein, the surface fitted in pedestal and resin bed is provided with knurling mechanism, the knurling mechanism is made up of some inner groovies being opened on pedestal, and the volume of the inner groovy is in 0.1~0.15mm³Between, the open surface area of the inner groovy is in 0.2~0.3mm²Between.The utility model is designed using annular knurl, increase the firmness that resin is combined with pedestal to greatest extent, pedestal 1 is not resulted in again strikes out surface irregularity after concave volume, pedestal produces loose shift when avoiding bending and resin from expanding with heat and contract with cold, the characteristics of with long service life, stabilized structure and product fine rate high.

Description

A kind of steady type LED support

Technical field

The utility model belongs to field of photoelectric technology, more particularly to a kind of steady type LED support.

Background technology

LED support, LED lamp bead bottom susceptor before encapsulation on the basis of LED support, chip is fixed, and welds Upper positive and negative electrode, then it is once in package shape with packaging plastic.The material of LED support has copper, iron material, aluminium and ceramics etc..Because copper Electric conductivity very well, usually copper LED support is more.Copper LED support the inside can be leaded, for connecting in LED lamp bead The electrode in portion, after LED lamp bead is in package shape, lamp bead can be removed from support, the copper pin at lamp bead two for lamp bead Both positive and negative polarity, for being welded to LED lamp or other LED finished products.Therefore the quality of LED support structural behaviour directly influences LED The performance of lamp bead.LED support plays a part of to protect die bond line and epoxy gum forming as the substrate before LED lamp bead encapsulation, its Turning circuit simultaneously has influence on light and electrical characteristics.

Usual LED support includes pedestal and pin, is filled by PPA resins between pedestal and pin.Due in the prior art Pedestal is shiny surface with the faying face of resin, and easily loose shift is produced in bending, so during lamp bead use, PPA Resin expands with heat and contract with cold and is easily subjected to displacement with pedestal, causes to connect the gold thread between luminescence chip and pedestal and is broken, and failure occurs Dead lamp.In view of above-mentioned defect, the design people is actively subject to research and innovation, to found a kind of steady type LED support, makes It has more the value in industry.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a kind of pedestal when solving pin bending easily loosening The steady type LED support of the phenomenons such as displacement.Technical solutions of the utility model are as follows：

A kind of steady type LED support, including pedestal and pin, offer accommodating cavity, the pedestal and pin on pedestal Between be filled with resin bed, wherein, the surface fitted in pedestal and resin bed is provided with knurling mechanism, the knurling mechanism by Some inner groovy compositions being opened on pedestal, the volume of the inner groovy is in 0.1~0.15mm³Between, the inner groovy Open surface area is in 0.2~0.3mm²Between.

The utility model steady type LED support, further, the shape of the inner groovy includes cuboid, square, circle One or more combination in post, circular cone, round platform or straight triangular prism.

The utility model steady type LED support, further, the inner groovy is square, and the square volume is 0.125mm³, inner groovy open surface area is in 0.25mm²。

The utility model steady type LED support, further, the inner groovy is uniformly distributed.

The utility model steady type LED support, further, the inner groovy matrix arrangement, adjacent inner groovy size exists Between 0.13~0.17mm.

The utility model steady type LED support, further, the adjacent inner groovy size is 0.15mm.

By such scheme, the utility model at least has advantages below：

The utility model is designed using annular knurl, and the firmness that resin is combined with pedestal is increased to greatest extent, will not be made again Surface irregularity after striking out concave volume into pedestal 1, it is to avoid pedestal produces loose shift when bending and resin expand with heat and contract with cold, with making The characteristics of with long lifespan, stabilized structure and product fine rate high.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below Describe in detail bright as after.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model steady type LED support；

Fig. 2 is the partial structural diagram of the utility model steady type LED support.

The implication of each reference is as follows in figure.

The pin of 1 pedestal 2

The resin bed of 3 accommodating cavity 4

5 inner groovies

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.

Referring to Fig. 1 and Fig. 2, the utility model steady type LED support, including pedestal 1 and pin 2 are offered on pedestal 1 Accommodating cavity 3, is filled with resin bed 4 between the pedestal 1 and pin 2, wherein, the surface fitted with resin bed 4 in pedestal 1 sets Knurling mechanism is equipped with, the knurling mechanism is made up of some inner groovies 5 being opened on pedestal 1, and the volume of the inner groovy 5 exists Between 0.1~0.15mm3, the open surface area of the inner groovy 5 is between 0.2~0.3mm2.

In order to further optimize moisture protection implementation result of the present utility model, in a kind of embodiment party of the present utility model In formula, on the basis of foregoing teachings, the shape of the inner groovy 5 includes cuboid, square, cylinder, circular cone, round platform or straight One or more combination in triangular prism.It is preferred that the inner groovy 5 is square, also, the setting square volume is 0.125mm³, the open surface area of inner groovy 5 is in 0.25mm²。

In order to further optimize moisture protection implementation result of the present utility model, in another implementation of the present utility model In mode, on the basis of foregoing teachings, the inner groovy 5 is uniformly distributed, and is easy to production and processing.It is preferred that the square of the inner groovy 5 Battle array arrangement, the size of adjacent inner groovy 5 sets the adjacent size of the inner groovy 5 between 0.13~0.17mm, particularly and is 0.15mm, reaches the utility model optimum efficiency.

This practicality newly changes pedestal 1 and resin, such as smooth design of the faying face of PPA resins, using similar to annular knurl Design, in general, annular knurl is at the knob of metallic article or other work appearances roll the mechanical technology of decorative pattern, mainly Anti-skidding use, typically by two kinds of straight knurling and hatching knurling.And it is used for similar annular knurl design of the present utility model, with above-mentioned rolling Difference is spent, pedestal 1 need to be considered with the adhesion of the generation of resin bed 4 and the flatness of base-plates surface.

The utility model is provided with inner groovy 5, square concave inward structure as shown in Figure 2, each pros in the faying face of pedestal 1 Body size is 0.05*0.05*0.05mmm, and it is 0.15mm to arrange spacing in square shape between each square.The size is by anti- Retrial is tested and drawn, single square size cannot be dissolved in inner groovy 5 less than the size resin, and pedestal can be caused more than the size 1 strikes out surface irregularity after concave volume, the firmness of influence product gold thread welding.

Also, the arrangement between inner groovy 5 is also the optimum combination drawn according to the overall calculation of pedestal 1, as mentioned above, The adhesion highest that size between adjacent inner groovy 5 is produced between 0.13~0.17mm to pedestal and resin, with reference to pedestal reality The rectangle spacing of 0.15mm is designed between the Size calculation concave volume of border, most 110 concave volumes, maximum limit can be formed on pedestal 1 The firmness that the increase PPA resins of degree are combined with pedestal, does not result in pedestal 1 and strikes out surface irregularity after concave volume again, so that Avoid resin from expanding with heat and contract with cold with pedestal 1 and produce displacement, pull apart the connection gold between luminescence chip (accompanying drawing is not shown) and pedestal 1 Line, reduces product fraction defective.

Therefore, the utility model is designed using annular knurl, and the firmness that resin is combined with pedestal is increased to greatest extent, and not Pedestal 1 can be caused to strike out surface irregularity after concave volume, it is to avoid pedestal produces loose shift, tool when bending and resin expand with heat and contract with cold The characteristics of having long service life, stabilized structure and product fine rate high.The above is only the side of being preferable to carry out of the present utility model Formula, is not limited to the utility model, it is noted that for those skilled in the art, is not departing from On the premise of the utility model know-why, some improvement and modification can also be made, these are improved and modification also should be regarded as this The protection domain of utility model.

Claims

1. a kind of steady type LED support, including pedestal (1) and pin (2), offer accommodating cavity (3) on pedestal (1), and it is special Levy and be：Resin bed (4) is filled between the pedestal (1) and pin (2), wherein, it is affixed with resin bed (4) in pedestal (1) The surface of conjunction is provided with knurling mechanism, and the knurling mechanism is made up of some inner groovies (5) being opened on pedestal (1), described The volume of inner groovy (5) is in 0.1~0.15mm³Between, the open surface area of the inner groovy (5) is in 0.2~0.3mm²Between.

2. a kind of steady type LED support according to claim 1, it is characterised in that：The shape of the inner groovy (5) includes One or more combination in cuboid, square, cylinder, circular cone, round platform or straight triangular prism.

3. a kind of steady type LED support according to claim 2, it is characterised in that：The inner groovy (5) is square, The square volume is 0.125mm³, inner groovy (5) open surface area is in 0.25mm²。

4. a kind of steady type LED support according to claim 3, it is characterised in that：The inner groovy (5) is uniformly distributed.

5. a kind of steady type LED support according to claim 4, it is characterised in that：Inner groovy (5) matrix arrangement, Adjacent inner groovy (5) size is between 0.13~0.17mm.

6. a kind of steady type LED support according to claim 5, it is characterised in that：The adjacent inner groovy (5) size is 0.15mm。