CN205595367U - Screw -tupe LED support, LED lamp and LED lamps and lanterns - Google Patents

Abstract

The utility model relates to a long service life's LED lamp and LED lamps and lanterns after making things convenient for the screw -tupe LED support of bonding wire and utilizing this support encapsulation. The utility model provides a pair of screw -tupe LED support, include: a basement spiral encircles planar spiral support base, the at least a set of metal electrode who forms, metal electrode is along hand of spiral setting at the substrate surface, metal electrode includes: first electrode, second electrode, first electrode setting are in the middle of the basement, and the second electrode setting is in the both sides of first electrode, the utility model provides an any position on this screw -tupe LED support is fixed to the LED lamp that utilizes this screw -tupe LED support to encapsulate, LED chip, its LED chip just, the negative pole all can weld with minimum distance and the metal electrode who corresponds, makes things convenient for the bonding wire, avoid leading to the short circuit because of staying of metal wire, the utility model provides a LED lamps and lanterns that utilize this LED banks to dress up, its LED lamp and LED lamps and lanterns all have long service life's characteristics.

Description

A kind of screw type LED support, LED and LED lamp

Technical field

This utility model relates to lighting field, is specifically related to a kind of screw type LED support facilitating bonding wire and profit With this support encapsulate after service life length LED and LED lamp.

Background technology

LED (Light Emitting Diode), light emitting diode, is that one can convert electrical energy into can Seeing the semiconductor device of the solid-state of light, it directly can be converted into light electricity.Attract most attention as the current whole world Light source of new generation, LED because of advantages such as its high brightness, low in calories, long-life, nontoxic, recyclable recyclings, It is known as 21 century the most promising green illumination light source.

LED support, LED lamp bead bottom susceptor before encapsulation, on the basis of LED support, chip is solid Determine, positive and negative electrode of burn-oning, more in package shape with packaging plastic.Area source is by multiple LED chip It is arranged on LED support in a formation, as disclosed in Chinese invention patent application number is for CN201010292946 Shown in a kind of LED area light source.The LED support of such LED area light source is a plane bottom plate, multiple LED core Sheet die bond sends substantial amounts of heat on this plane bottom plate, and LED area light source often causes using the longevity because of heat dissipation problem Life reduces.For solving LED area light source heat dissipation problem, in prior art, use a kind of screw type LED support, As it is shown in figure 1, this LED support includes: the snail bracket base that a substrate 101 ' spiral surrounding is formed 10 ', being arranged on many groups metal electrode on this substrate 101 ' surface, metal electrode includes: the first of strip Electrode 201 ' and the second electrode 202 ', the first electrode 201 ' and the second electrode 202 ' are separately positioned on substrate Have between the both sides on 101 ' surfaces, and the first electrode 201 ' of adjacent metal electrode and the second electrode 202 ' Have dislocation overlapping region.Screw type LED support void region is big, big with the contact area of air, thus dissipates Thermal effect is good, largely improves the heat dissipation problem of LED area light source.But screw type of the prior art LED support has a problem that, as in figure 2 it is shown, when LED chip carries out die bond, die bond board is put automatically The direction putting the LED chip on this support is consistent (in Fig. 2 as a example by 45 ° of die bonds), screw type LED support is that 360 ° of directions are required for carrying out die bond, thus result in 0 °～360 ° a certain angle or LED chip on person's multiple angle medium-height trestle is contrary with the metal electrode position of required welding, and causing cannot be just Often bonding wire or inadequate elongate metal line carry out bonding wire.But which increase gold thread length (such as the A in Fig. 2 Region, this LED chip elongate metal line carries out bonding wire), not only add cost, and if metal wire stay To with another electrode of LED chip or be connected on the metal wire of another electrode, it may appear that short circuit phenomenon, Jin Erti The high probability of dead lamp, reduces the service life of LED.

Utility model content

Metal electrode is improved by this utility model for prior art, to reach LED chip when bonding wire Can normal bonding wire, improve LED service life.

For reaching above-mentioned purpose, a kind of screw type LED support that this utility model provides, including: a substrate With planar bracket base, the least one set metal electrode of spiral surrounding formation, described metal electrode is along spiral side To being arranged on substrate surface, described metal electrode includes: the first electrode, the second electrode, described first electrode Being arranged on the centre position of substrate surface, the second electrode includes: the first electrode wires, the second electrode wires, the 3rd Electrode wires, described first electrode wires, the second electrode wires are separately positioned on the both sides of the first electrode, the 3rd electrode Line connects the first electrode wires and the second electrode wires respectively.

A kind of preferred version of the present utility model, described substrate is provided with organizes metal electrode more, many group metal electricity Pole is sequentially arranged in the surface of this substrate.

Further, there is between the first electrode and second electrode of two adjacent groups metal electrode dislocation coincidence district Territory.

Another kind of preferred version of the present utility model, the two ends of described substrate are equipped with weld part, two weld parts It is connected with the first electrode, the second electrode respectively.

This utility model also provides for a kind of LED, including: arbitrary described screw type LED support, LED chip, described LED chip is fixed on this LED support, and electrically connects with metal electrode formation, and it is just Pole connects on the first electrode or second electrode of this LED support, and its negative pole is connected on another electrode.

A kind of preferred version of the present utility model, also includes packaging plastic, and this packaging plastic covers at LED chip table Face.

This utility model also provides for a kind of LED lamp, including shell body, the driving electricity that is arranged in shell body Source and a LED, described LED is LED described above, described LED and driving electricity Source electrically connects.

The technical scheme provided by this utility model, is had the advantages that

Second electrode is arranged on the both sides of the first electrode, and LED chip is fixed on this screw type LED support Any position, the positive and negative electrode of its LED chip all can weld with corresponding metal electrode with beeline Connect, facilitate bonding wire, it is to avoid because staying of metal wire causes short circuit；LED after encapsulation and utilize this LED The LED lamp that lamp assembles is respectively provided with the feature of length in service life.

Accompanying drawing explanation

Fig. 1 show the schematic appearance of screw type LED support in prior art；

Fig. 2 show screw type LED support in Fig. 1 and is packaged into the subregion schematic diagram of LED；

Fig. 3 show the schematic appearance of a kind of screw type LED support that this utility model provides；

Fig. 4 show the subregion schematic diagram of a kind of LED that this utility model provides.

Detailed description of the invention

For further illustrating each embodiment, this utility model is provided with accompanying drawing.These accompanying drawings are this utility model A part for disclosure, it is mainly in order to illustrate embodiment, and the associated description of description can be coordinated to solve Release the operation principles of embodiment.Coordinating with reference to these contents, those of ordinary skill in the art will be understood that other Possible embodiment and advantage of the present utility model.Assembly in figure is not necessarily to scale, and is similar to Element numbers be conventionally used to indicate similar assembly.

In conjunction with the drawings and specific embodiments, this utility model is further illustrated.

Shown in reference Fig. 3, a kind of screw type LED support provided for this utility model, including: a substrate 101 with spiral surrounding formed planar bracket bases 10, organize metal electrode, the first weld part 401, second more Weld part 402, metal electrode is sequentially arranged in the surface of substrate 101 along the hand of spiral, and metal electrode includes: First electrode the 20, second electrode 30, the first electrode 20 is arranged on the centre position on substrate 101 surface, the Two electrodes 30 include: first electrode wires the 301, second electrode wires the 302, the 3rd electrode wires 303, the first electrode Line the 301, second electrode wires 302 is separately positioned on the both sides of the first electrode 20, and the 3rd electrode wires 303 is respectively Connecting the first electrode wires 301 and the second electrode wires 302, the second electrode 30 presents one " H " shape electrode, and first The two ends of electrode 20 are separately positioned in the sunk area of adjacent " H " shape second electrode 30, thus adjacent two Between first electrode 20 and second electrode 30 of group metal electrode, there is dislocation overlapping region.In this screw type The inside and outside two ends of LED support are equipped with weld part, and the first weld part 401 is arranged on the outer end of substrate 101 also With the first electrode 20 of outermost end in integral connecting structure, the second weld part 402 is arranged on the interior of substrate 101 End and with the second electrode 30 of inner terminal in integral connecting structure.

In the present embodiment, it is equipped with weld part, for support at the inside and outside two ends of this screw type LED support With extraneous power solder.

In the present embodiment, metal electrode is provided with many groups, it is possible to achieve the string of LED chip and/or be connected in parallel, In other embodiments, it is also possible to be separately provided one group and be connected in parallel.

With reference to shown in Fig. 4, for the subregion schematic diagram of a kind of LED that this utility model provides, including: Screw type LED support shown in Fig. 3, plurality of LEDs chip 50, metal wire 60 and packaging plastic (not shown), Plurality of LEDs chip 50 is fixed on support, and the positive and negative of LED chip 50 is respectively welded by metal wire 60 Forming electrical connection on the first corresponding electrode 20 or the second electrode 30, plurality of LEDs chip 50 is at this LED Forming series connection (in other embodiments, it is also possible to connection in series-parallel connects) on support, packaging plastic (not shown) covers Cover on LED chip 50 and the surface of metal wire 60.

Referring again to shown in Fig. 2, Fig. 4, the screw type LED support that Fig. 2 show under prior art seals The schematic diagram of dress, in Fig. 2, the LED chip of a-quadrant is contrary with the metal electrode position of required welding, need to draw Long metal wire carries out bonding wire.The screw type LED support that Fig. 4 show this utility model and provides is packaged Schematic diagram, in figure, B region is compared with the a-quadrant in Fig. 2, is arranged on the first electrode 20 at the second electrode 30 Both sides, the electrode of LED chip 50 can be connected with second electrode 30 of the same side, it is achieved beeline Welding, facilitate bonding wire, it is to avoid because of metal wire 60 stay to another electrode of LED chip or be connected another electricity Short circuit is caused on the metal wire 60 of pole.

The present embodiment also provides for a kind of LED lamp, including: include shell body, driving of being arranged in shell body Galvanic electricity source and the LED of above-mentioned offer, LED electrically connects with driving power supply.

The technical scheme that this utility model provides, is arranged on the both sides of the first electrode 20 by the second electrode 30, LED chip 50 is fixed on this screw type LED support, and the positive and negative electrode of its LED chip 50 all can be with Short distance is welded with corresponding metal electrode, facilitates bonding wire, it is to avoid because of metal wire 60 stay cause short Road；LED after encapsulation and the LED lamp utilizing this LED to assemble are respectively provided with the feature of length in service life.

Although specifically show and describe this utility model in conjunction with preferred embodiment, but the technology of art Personnel should be understood that in the spirit and scope of the present utility model limited without departing from appended claims, This utility model can be made a variety of changes in the form and details, be protection model of the present utility model Enclose.

Claims (7)

1. a screw type LED support, it is characterised in that including a: substrate is with putting down that spiral surrounding is formed Face bracket base, least one set metal electrode, described metal electrode is arranged on substrate surface along the hand of spiral, Described metal electrode includes: the first electrode, the second electrode, and described first electrode is arranged in substrate surface Between position, the second electrode includes: the first electrode wires, the second electrode wires, the 3rd electrode wires, described first electricity Polar curve, the second electrode wires are separately positioned on the both sides of the first electrode, and the 3rd electrode wires connects the first electrode respectively Line and the second electrode wires.

Screw type LED support the most according to claim 1, it is characterised in that: described substrate is provided with Organizing metal electrode, many group metal electrodes are sequentially arranged in the surface of this substrate more.

Screw type LED support the most according to claim 2, it is characterised in that: two adjacent groups metal electricity Between first electrode and second electrode of pole, there is dislocation overlapping region.

Screw type LED support the most according to claim 1, it is characterised in that: the two ends of described substrate Being equipped with weld part, two weld parts are connected with the first electrode, the second electrode respectively.

5. a LED, it is characterised in that including: the as above arbitrary described screw type of claim 1-4 LED support, LED chip, described LED chip is fixed on this LED support, and forms electricity with metal electrode Connecting, its positive pole connects on the first electrode or second electrode of this LED support, and its negative pole is connected to another electricity Extremely go up.

LED the most according to claim 5, it is characterised in that: also include packaging plastic, this packaging plastic Cover on LED chip surface.

7. a LED lamp, the driving power supply including shell body, being arranged in shell body and a LED, It is characterized in that: described LED is the LED described in the claims 5 or 6, described LED Lamp electrically connects with driving power supply.