CN215578553U

CN215578553U - RGB LED lamp pearl

Info

Publication number: CN215578553U
Application number: CN202121750529.7U
Authority: CN
Inventors: 王定锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-18
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to an RGB LED lamp bead, in particular to an RGB LED lamp bead which is formed by packaging three LED chips of red, green and blue or three LED chips of red, green and blue and a control device on an LED bracket.

Description

RGB LED lamp pearl

Technical Field

The utility model relates to the field of LEDs, in particular to an RGB LED lamp bead.

Background

The leg of prior art's RGB LED lamp pearl is on two limits, three foot on one side, and all there is the certain distance from four angles in addition, and it is little to lead to the interval between the three leg, and easy continuous tin short circuit during soldering tin, when especially doing small-size lamp pearl, the interval is littleer, changes continuous tin short circuit, and the lamp pearl on this kind of 6 legs on two limits often appears welding just moreover, welds not jail, during the test of welding back thrust, the thrust that bears is little.

We utility model discloses a new RGB LED lamp pearl has solved above problem, concrete method:

the utility model provides a RGB LED lamp pearl, includes: an LED support; 3 LED chips or 3 LED chips and 1 control device; packaging glue; the LED lamp bead is characterized in that 3 LED chips are packaged by packaging glue or 3 LED chips and 1 control device are packaged on a support to manufacture the LED lamp bead, the 3 LED chips are three chips which respectively emit red, green and blue light after being lightened, 1 chip is arranged in one lamp bead, the support is a support formed by combining 6 or 7 metal sheets and resin, the metal sheets are exposed out of the back of the support to form metal welding feet, the metal sheets are exposed out of the front of the support to form metal electrodes, the manufactured lamp bead is provided, the metal electrodes of the support are sealed in the lamp bead by packaging glue, the LED lamp bead is characterized in that 6 or 7 welding feet are in conductive connection with the LED chips through the metal electrodes, the metal welding feet are exposed out of the back of the support, the surfaces of the welding feet are on the plane of the back of the support, four welding feet are respectively arranged at the four corners of the back, and every leg exposes in two sides of a corner of the support, there are two legs at two sides at the support back respectively, and expose in two sides of the support respectively, this kind of leg is the lamp pearl on four angles of support, after welding on the circuit board during use, four angles are clinched by pincerlike soldering tin, make the lamp pearl weld firmly, and four angles all have a leg, after the lamp pearl welds on the circuit board, the lamp pearl is corrected, after four legs are pulled open to the corner, the distance between the leg has been pulled open, difficult continuous tin during soldering tin.

SUMMERY OF THE UTILITY MODEL

According to the utility model, the utility model provides an RGB LED lamp bead, which comprises: an LED support; 3 LED chips or 3 LED chips and 1 control device; packaging glue; the LED lamp bead is characterized in that 3 LED chips are packaged by packaging glue or 3 LED chips and 1 control device are packaged on a support to manufacture the LED lamp bead, the 3 LED chips are three chips which respectively emit red, green and blue light after being lightened, 1 chip is arranged in one lamp bead, the support is a support formed by combining 6 or 7 metal sheets and resin, the metal sheets are exposed out of the back of the support to form metal welding feet, the metal sheets are exposed out of the front of the support to form metal electrodes, the manufactured lamp bead is provided, the metal electrodes of the support are sealed in the lamp bead by packaging glue, the LED lamp bead is characterized in that 6 or 7 welding feet are in conductive connection with the LED chips through the metal electrodes, the metal welding feet are exposed out of the back of the support, the surfaces of the welding feet are on the plane of the back of the support, four welding feet are respectively arranged at the four corners of the back, and every leg exposes in two sides at a corner of support, has two legs to distinguish two limits at the support back to expose respectively in two sides of support, this kind of leg lamp pearl on four angles of support, the welding is back on the circuit board during the use, and four angles are clinched by pincerlike soldering tin, make lamp pearl welding firm, and four angles all have a leg moreover, and the lamp pearl welds back on the circuit board, and the lamp pearl is corrected.

According to a preferred embodiment of the utility model, the RGB LED lamp bead is characterized in that the control device is a control chip.

According to a preferred embodiment of the utility model, the RGB LED lamp bead is characterized in that the lamp bead is a flat-leg LED lamp bead, and all legs are arranged on the surface of the back of the lamp bead and on the same plane.

According to a preferred embodiment of the utility model, the RGB LED lamp bead is characterized in that, at each of four corners of the lamp bead, the fillet metal extends on two sides to form a wing shape exposed up and down, or the fillet metal extends on only one side to form a wing shape exposed up and down.

According to a preferred embodiment of the utility model, the RGB LED lamp bead is characterized in that when the lamp bead is provided with 6 welding feet, 4 welding feet are respectively arranged at four corners, the other 2 welding feet are arranged on two opposite sides of the back surface of the lamp bead, and one side of each welding foot is provided with 1 welding foot.

According to a preferred embodiment of the utility model, the RGB LED lamp bead is characterized in that when the lamp bead is provided with 7 welding feet, 4 welding feet are respectively arranged at four corners, in addition, 2 welding feet are arranged, the welding feet are arranged on two opposite sides of the back surface of the lamp bead, one side of each welding foot is provided with 1 welding foot, and the other welding foot is arranged in the middle of the back surface of the lamp bead.

According to a preferred embodiment of the utility model, the RGB LED lamp bead is characterized in that the area of the back surface of the lamp bead is less than 25mm²。

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below.

Drawings

The features, objects, and advantages of the present invention will become more apparent from the description set forth below when taken in conjunction with the drawings, a brief description of which follows.

Fig. 1 is a schematic plan view of a single 2832 stent circuit.

Fig. 2 is a schematic plan view of a single 2835 stent.

Fig. 3 is a perspective view of a single 2835 stent.

FIG. 4 is a schematic plan view of a semi-finished product of RGB LED lamp beads.

FIG. 5 is a schematic plan view of an RGB LED lamp bead.

Fig. 6 is a schematic plan view of a single 2832 stent circuit.

Fig. 7 is a schematic plan view of a single 2835 stent.

Fig. 8 is a perspective view of a single 2835 stent.

Fig. 9 is a schematic plan view of a RGB LED lamp bead semi-finished product with a control chip.

Fig. 10 is a schematic plan view of an RGB LED lamp bead with a control chip.

Detailed Description

The present invention will be described in detail below by taking preferred embodiments as examples.

It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.

Example one

1, 6-foot bracket manufacturing

According to the design of the drawing, a 2832 bracket is designed, namely the length and width dimensions are 2.8 multiplied by 3.2mm as shown in the drawing:

4 welding feet 1.1, 1.2, 1.3 and 1.4 are arranged at 4 corners, each welding foot is exposed at two side surfaces, the other two welding feet 2.1 and 2.2 are respectively arranged at the central positions of two edges of 2.8mm, a punching die and an injection die are manufactured according to a design drawing, a copper strip support is punched by a die to form a circuit prototype, and then silver plating, injection molding and foot cutting are carried out to manufacture a plurality of 2832 detachable support connected support sheets (shown in figures 1, 2 and 3).

2, packaging

Firstly, 3.11 green chips and 3.13 blue chips are fixed on the electrodes of the support with 6 welding feet by using crystal fixing glue, 3.12 red chips and silver glue are fixed on the electrodes of the support with 6 welding feet, and the crystal fixing glue is cured by baking.

Secondly, the chip is communicated with the electrode of the support through a bonding wire 4.1 by a bonding machine to manufacture a RGB LED lamp bead semi-finished product (shown in figure 4).

3, preparation of packaging adhesive

And dripping 5.1 of packaging adhesive into the bracket cup, heating and curing in an oven, cutting corners to separate into single lamp beads, performing light splitting test by using a clamp testing machine, braiding, and packaging to obtain the RGB LED lamp bead (shown in figure 5).

Description of the drawings: for clarity of expression, the attached drawings in the specification are schematic diagrams of a single bracket or a single lamp bead.

Example two

1, 7-foot bracket manufacturing

4 welding feet 1.1, 1.2, 1.3 and 1.4 are arranged at 4 corners, each welding foot is exposed at two side surfaces, the middle welding foot is 1.5, the other two welding feet 2.1 and 2.2 are respectively arranged at the central positions of two edges of 2.8mm, a punching die and an injection die are manufactured according to design drawings, a copper strip support is punched by the die to form a circuit prototype, and then silver plating, injection molding and foot cutting are carried out to manufacture a plurality of 2832 detachable support connected support sheets (shown in figures 6, 7 and 8).

2, packaging

Firstly, fixing the green chip 3.11 and the blue chip 3.13 on the support electrodes with 7 pins by using die bond adhesive, fixing the red chip 3.12 and the control chip 3.2 on the support electrodes with 7 pins by using silver adhesive, and baking to solidify the die bond adhesive and the silver adhesive.

Secondly, the chip is communicated with the electrode of the support through a bonding wire 4.1 by a bonding machine to manufacture a RGB LED lamp bead semi-finished product with a control chip (shown in figure 9).

3, preparation of packaging adhesive

And dripping 5.1 of packaging adhesive into the support cup, heating and curing in an oven, cutting corners into single lamp beads, performing light splitting test by using a clamp testing machine, braiding, and packaging to obtain the RGB LED lamp bead with the control chip (shown in figure 10).

The utility model is described in detail with reference to the specific embodiment of the RGB LED lamp bead. It will be understood by those skilled in the art, however, that the foregoing is merely illustrative and descriptive of some specific embodiments and is not to be construed as limiting the scope of the utility model, especially the scope of the claims.

Claims

1. The utility model provides a RGB LED lamp pearl, includes:

an LED support;

3 LED chips or 3 LED chips and 1 control device;

packaging glue;

the LED lamp bead is characterized in that 3 LED chips are packaged by packaging glue or 3 LED chips and 1 control device are packaged on a support to manufacture the LED lamp bead, the 3 LED chips are three chips which respectively emit red, green and blue light after being lightened, 1 chip is arranged in one lamp bead, the support is a support formed by combining 6 or 7 metal sheets and resin, the metal sheets are exposed out of the back of the support to form metal welding feet, the metal sheets are exposed out of the front of the support to form metal electrodes, the manufactured lamp bead is provided, the metal electrodes of the support are sealed in the lamp bead by packaging glue, the LED lamp bead is characterized in that 6 or 7 welding feet are in conductive connection with the LED chips through the metal electrodes, the metal welding feet are exposed out of the back of the support, the surfaces of the welding feet are on the plane of the back of the support, four welding feet are respectively arranged at the four corners of the back, and every leg exposes in two sides of a corner of the support, there are two legs at two sides of the back of the support respectively, and expose in two sides of the support respectively, the bead on four angles of this kind of leg, after welding on the circuit board during use, four angles are clinched by pincerlike soldering tin, make bead weld firm, and four angles all have legs, after bead welds on the circuit board, the bead is corrected.

2. The RGB LED lamp bead according to claim 1, wherein said control device is a control chip.

3. The RGB LED lamp bead of claim 1, wherein the lamp bead is a flat leg LED lamp bead, and all legs are on the surface of the back of the lamp bead, all on a single plane.

4. The RGB LED lamp bead of claim 1, wherein at each of the four corners of the lamp bead, the fillet metal is a wing shape extending on both sides to form an upper and a lower exposed portion, or the fillet metal is a wing shape extending on only one side to form an upper and a lower exposed portion.

5. The RGB LED lamp bead of claim 1, wherein when the number of the lamp beads is 6, 4 of the solder beads are respectively arranged at four corners, and the other 2 solder beads are arranged at two opposite sides of the back surface of the lamp bead, and one side of each solder bead is provided with 1 solder bead.

6. The RGB LED lamp bead of claim 1, wherein when the number of the lamp beads is 7, there are 4 solder fillets at four corners respectively, and there are 2 solder fillets, which are disposed on two opposite sides of the back surface of the lamp bead, and one solder fillet is disposed at the middle position of the back surface of the lamp bead.

7. The RGB LED lamp bead of claim 1, wherein the area of the back surface of said lamp bead is less than 25mm²。