CN209747548U - SMD support of three-colour LED - Google Patents

Abstract

The utility model provides a three-color LED patch type bracket, belonging to the technical field of LED brackets; the LED chip comprises a substrate and a plastic layer attached to the substrate, wherein the plastic layer comprises a plurality of LED units, each LED unit comprises a chip bearing part positioned in the middle, a positive electrode area and a negative electrode area which are positioned on two sides of the chip bearing part and correspond to each other, each positive electrode area comprises a first positive electrode, a second positive electrode and a third positive electrode, each negative electrode area comprises a first negative electrode, a second negative electrode and a third negative electrode, the first negative electrode, the second negative electrode and the third negative electrode correspond to the positive electrode areas respectively, each LED unit is a square frame body, and one corner of each square frame body is provided with an identification chamfer; the utility model discloses reached and realized the coexistence of three-colour, and the structure is more compact effect.

Description

SMD support of three-colour LED

Technical Field

The utility model relates to a LED support technical field especially relates to a SMD support of three-colour LED.

Background

At present, the patch type LED is mainly used in the fields of lighting systems, decoration, indicators for electronic devices, backlight, displays, instruments, and the like; the surface mount type LED well solves the problems of brightness, visual angle, flatness, reliability, consistency and the like.

The current technology is limited, and the surface mount type LED in the prior art is mainly packaged in a single-cup form, so that the light emitting color of the lamp bead is single, the requirement that the market needs two or three different colors at the same time cannot be met, and the improvement is needed.

Disclosure of Invention

Therefore, the to-be-solved technical problem of the utility model lies in solving among the prior art LED supporting structure and too simply causes the single problem of colour to a SMD support of three-colour LED is provided.

In order to realize the above-mentioned purpose, the utility model provides a SMD support of three-colour LED, including the base plate, attached in plastic layer on the base plate, plastic layer contains a plurality of LED units, the LED unit is located including the chip carrier who is located the middle part positive plate district and the negative pole district that chip carrier both sides correspond each other, the positive plate district includes first positive pole, second positive pole, third positive pole, the negative pole district includes first negative pole, second negative pole, the third negative pole that corresponds respectively with the positive plate district, the LED unit is square frame body, a corner of square frame body is provided with the discernment chamfer.

Further, the surface of the substrate is plated with a silver plating layer.

Furthermore, the side wall of the square frame body forms 70 degrees with the substrate.

Further, the substrate is a copper plate.

To sum up, the utility model provides a three-colour LED support has realized that the three-colour coexists, and the structure is more compact, and its production technology, material combination are simple moreover, on the basis of current 3PIN support, compatible three-colour, low in production cost compares with current monochromatic LED, and commercial value is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic plan view of a single LED unit;

Fig. 3 is a cross-sectional view of a single LED unit.

The reference numerals in the figures are explained below:

1. a substrate; 2. a plastic layer; 3. an LED unit; 4. a chip carrying portion; 5. a positive electrode region; 51. a first positive electrode; 52. a second positive electrode; 53. a third positive electrode; 6. a negative electrode region; 61. a first negative electrode; 62. a second negative electrode; 63. a third negative electrode; 7. and identifying the chamfer.

Detailed Description

the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

A specific embodiment of the three-color LED patch mount bracket shown in fig. 1-3, includes a substrate 1 attached to a plastic layer 2 on the substrate 1, the plastic layer 2 includes a plurality of LED units 3, the LED units 3 include a chip carrying portion 4 located at the middle portion, a positive electrode region 5 and a negative electrode region 6 located at two sides of the chip carrying portion 4 and corresponding to each other, the positive electrode region 5 includes a first positive electrode 51, a second positive electrode 52 and a third positive electrode 53, the negative electrode region 6 includes a first negative electrode 61, a second negative electrode 62 and a third negative electrode 63 corresponding to the positive electrode region 5, the LED units 3 are square frames, and a corner of the square frame is provided with an identification chamfer 7.

The chip is a red, green and blue light-emitting wafer. The identification chamfer 7 is used to distinguish between positive and negative electrodes.

Further, the surface of the substrate 1 is plated with a silver plating layer.

further, the square frame side wall forms 70 degrees with the substrate 1.

Further, the substrate 1 is a copper plate.

The plastic layer 2 is made of environment-friendly epoxy resin and can resist high temperature. 2 integrated into one piece on plastic layer is different from that each LED unit 3 of conventional LED support independently parts, the utility model provides a SMD supporting structure of three-colour LED is more compact, low in production cost.

The silver-plated layer copper support is easy to tin, difficult to oxidize and good in heat conductivity.

The utility model provides a three-colour LED support has realized that the three-colour coexists, and the structure is more compact, and its production technology, material combination are simple moreover, on the basis of current 3PIN supports, compatible three-colour, low in production cost compares with current 4PIN three-colour LED, and the price advantage is high.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (4)

1. The utility model provides a SMD support of three-colour LED, includes the base plate, attached in plastic layer on the base plate, plastic layer contains a plurality of LED units, its characterized in that, the LED unit is located including the chip carrier portion that is located the middle part positive polar region and the negative pole district that chip carrier portion both sides correspond each other, the positive polar region includes first positive pole, second positive pole, third positive pole, the negative pole district includes first negative pole, second negative pole, the third negative pole that corresponds respectively with the positive polar region, the LED unit is square frame body, square frame body has at least a corner to be provided with discernment chamfer.

2. The tricolor LED patch mount of claim 1, wherein the substrate surface is plated with a silver plating.

3. The tri-color LED patch mount of claim 1, wherein the square frame sidewalls form an angle of 70 degrees with the substrate.

4. The tricolor LED patch mount of claim 1, wherein the substrate is a copper plate.