CN213936223U

CN213936223U - SMD LED lamp pearl

Info

Publication number: CN213936223U
Application number: CN202023251187.2U
Authority: CN
Inventors: 何俊华; 陈少辉; 胡兆元; 邢映彪
Original assignee: Guangzhou Tongda Auto Electric Co Ltd
Current assignee: Guangzhou Tongda Auto Electric Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-10
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to the technical field of semiconductor luminescence, and discloses a surface mount type LED lamp bead, which comprises a support, a chip component and a lamp shade, wherein the support is provided with a holding tank, the holding tank is provided with an opening, and the area of the opening of the holding tank is larger than the area of the bottom wall of the holding tank; the chip assembly comprises a chip and two pins which are opposite to each other and arranged on the support at intervals, lead wires are arranged at two ends of the chip, and the two lead wires are electrically connected to the two pins in a one-to-one correspondence manner; the lampshade is arranged on the support and seals the opening, the lampshade is hemispherical, and the lampshade is made of insulating transparent materials. The light-emitting angle of the surface-mounted LED lamp bead is accurate, and the light-gathering performance is good, so that the brightness of the surface-mounted LED lamp bead is high.

Description

SMD LED lamp pearl

Technical Field

The utility model relates to a semiconductor lighting technology field especially relates to a SMD LED lamp pearl.

Background

The surface mount type LED lamp bead is more and more widely applied to the field of LED display screens due to the advantages of high brightness, large visual angle, good flatness and consistency, and the light emitting principle is that current passes through a compound semiconductor, and excess energy is released in a light form to achieve the light emitting effect. The surface-mounted LED is attached to the surface of a circuit board, but the existing surface-mounted LED has inaccurate light-emitting angle, poor light-gathering property and low brightness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SMD LED lamp to solve the problem that the light-emitting angle of SMD LED lamp is inaccurate, the spotlight nature is poor and luminance is low.

To achieve the purpose, the utility model adopts the following technical proposal:

a SMD LED lamp pearl, it includes:

the bracket is provided with an accommodating groove, the accommodating groove is provided with an opening, and the area of the opening of the accommodating groove is larger than that of the bottom wall of the accommodating groove;

the chip assembly comprises a chip and two pins which are opposite to each other and arranged on the support at intervals, lead wires are arranged at two ends of the chip, and the two lead wires are electrically connected to the two pins in a one-to-one correspondence manner;

the lamp shade, the lamp shade set up in the support will the opening seals, the lamp shade is the hemisphere, just the lamp shade is made by insulating transparent material.

Preferably, the pins are integrally formed with the support.

Preferably, the pin comprises an embedded part and an exposed part which are connected with each other, the embedded part is embedded in the bracket, the exposed part is convexly arranged on the bracket, and the exposed part is used for being electrically connected with the PCB.

Preferably, the embedded portion is in the shape of a dogleg.

Preferably, the exposed part comprises a first part and a second part which are connected in an angle mode, the first part is attached to the side wall of the support, and the second part is attached to the bottom wall of the support and is electrically connected with the PCB.

Preferably, the bracket is further provided with two wire grooves which are arranged at intervals and communicated with the accommodating groove, the chip is arranged between the accommodating groove and the two wire grooves, and each lead passes through the corresponding wire groove and is electrically connected with the corresponding embedded part.

Preferably, the bottom wall and the side wall of the accommodating groove are both coated with a light reflecting coating.

Preferably, the lateral wall of holding tank is smooth curved surface, the diapire of holding tank is smooth plane.

Preferably, the chip module is provided in plurality.

Preferably, the surface of the chip is coated with fluorescent glue.

The utility model has the advantages that:

an object of the utility model is to provide a SMD LED lamp pearl, this SMD LED lamp pearl includes support, chip module and lamp shade, the support is equipped with the holding tank, the holding tank has the opening, the open area of holding tank is greater than the area of the bottom wall of holding tank; the chip assembly comprises a chip and two pins which are opposite to each other and arranged on the support at intervals, lead wires are arranged at two ends of the chip, and the two lead wires are electrically connected to the two pins in a one-to-one correspondence manner; the lampshade is arranged on the support and seals the opening, the lampshade is hemispherical, and the lampshade is made of insulating transparent materials. This chip of SMD LED lamp pearl sets firmly in the holding tank, the lamp shade seals the opening of holding tank, in order to seal the chip in the holding tank, can prevent to destroy the chip structure, be connected with two pin electricity through two lead wire one-to-ones with the chip, so that the chip switch on in the power is luminous, the open-ended area through setting up the holding tank is greater than the area of the diapire of holding tank, so that the bright lateral wall and the diapire that pass through the holding tank that send of chip reflect to the lamp shade, the lamp shade is the hemisphere and is made by insulating transparent material, can understand, the lamp shade is equivalent to convex lens, can gather the light that lateral wall and diapire that the chip passes through the holding tank reflect to the lamp shade, so that the angle of SMD LED lamp pearl is accurate, the spotlight nature is good, so that the luminance of SMD LED lamp pearl is high.

Drawings

Fig. 1 is a cross-sectional view of a surface mount type LED lamp bead provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the patch type LED lamp bead provided with three chip components provided by the embodiment of the utility model.

In the figure:

1. a support; 11. accommodating grooves; 12. a wire slot;

21. a chip; 211. a lead wire; 22. a pin; 221. an embedded portion; 222. an exposed portion; 2221. a first portion; 2222. a second portion;

3. and a lampshade.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a patch type LED lamp bead, as shown in figure 1, the patch type LED lamp bead comprises a support 1, a chip component and a lamp shade 3, wherein the support 1 is provided with an accommodating groove 11, the accommodating groove 11 is provided with an opening, and the area of the opening of the accommodating groove 11 is larger than the area of the bottom wall of the accommodating groove 11; the chip assembly comprises a chip 21 and two pins 22 which are opposite to each other and arranged on the bracket 1 at intervals, lead wires 211 are arranged at two ends of the chip 21, and the two lead wires 211 are electrically connected to the two pins 22 in a one-to-one correspondence manner; the lampshade 3 is arranged on the bracket 1 and seals the opening, the lampshade 3 is hemispherical, and the lampshade 3 is made of insulating transparent materials. This chip 21 of SMD LED lamp pearl sets firmly in holding tank 11, lamp shade 3 seals holding tank 11's opening, in order to seal chip 21 in holding tank 11, can prevent to destroy chip 21 structure, be connected with two pin 22 electricity through two lead wires 211 one-to-one with chip 21, so that chip 21 switches on and is luminous in the power, the area of the diapire that is greater than holding tank 11 through the open-ended area that sets up holding tank 11, so that the bright of chip 21 sending reflects to lamp shade 3 through holding tank 11's lateral wall and diapire, lamp shade 3 is the hemisphere and is made by insulating transparent material, it can be understood that lamp shade 3 is equivalent to convex lens, can gather chip 21 and reflect to lamp shade 3's brightness through holding tank 11's lateral wall and diapire, so that SMD LED lamp pearl's spotlight angle is accurate, the spotlight nature is good, so that SMD LED lamp pearl's luminance is high. Wherein the pin 22 is made of a conductive material, it is preferable that the lead 211 and the pin 22 are electrically connected through a bonding process.

Alternatively, as shown in fig. 1, the pins 22 are integrally formed with the bracket 1. Through with pin 22 integrated into one piece in support 1, can save the processing cost, save assembly time, under the vibration condition, also can prevent that pin 22 is not hard up to cause the short circuit to prevent SMD LED lamp pearl inefficacy. It will be appreciated that the pins 22 are made of an electrically conductive material.

Alternatively, as shown in fig. 1, the pin 22 includes an embedded portion 221 and an exposed portion 222, which are connected to each other, the embedded portion 221 is embedded in the bracket 1, the exposed portion 222 is protruded from the bracket 1, and the exposed portion 222 is used for electrically connecting with the PCB. The embedded part 221 is in a zigzag shape, so that the embedded part 221 can be prevented from falling off from the bracket 1, the embedded part 221 is electrically connected with the lead 211, and the exposed part 222 is electrically connected to the PCB, so that the lead 211 of the pin 22 is effectively and electrically connected, and normal work of the patch type LED lamp bead is guaranteed. Preferably, the exposed portion 222 and the embedded portion 221 are connected by welding.

Alternatively, as shown in fig. 1, the exposed portion 222 includes a first portion 2221 and a second portion 2222 connected at an angle, the first portion 2221 is attached to a side wall of the bracket 1, and the second portion 2222 is attached to a bottom wall of the bracket 1 and electrically connected to the PCB. The first portion 2221 is connected to the embedded portion 221 and is used for supporting the embedded portion 221, and the second portion 2222 is attached to the bottom wall of the bracket 1 so as to be electrically connected to the PCB. Preferably, the second portion 2222 is soldered to the PCB.

Optionally, as shown in fig. 1, the bracket 1 is further provided with two wire slots 12, the two wire slots 12 are disposed at intervals and are both communicated with the accommodating groove 11, the chip 21 is disposed in the accommodating groove 11 and located between the two wire slots 12, and each lead 211 passes through the corresponding wire slot 12 and is electrically connected to the corresponding embedded portion 221. The chip 21 is arranged between the two wire grooves 12, so that the two leads 211 at the two ends of the chip 21 are respectively electrically connected to the corresponding embedded parts 221 through the corresponding wire grooves 12, the chip 21 is electrically connected with the pins 22, the chip 21 is electrically connected with the PCB, and the control of the patch type LED lamp bead to emit light is realized. Wherein the lead wire 211 and the embedded portion 221 are electrically connected through a bonding process.

Alternatively, both the bottom wall and the side wall of the accommodating groove 11 are coated with a light reflecting coating. Through all having coated the reflection of light coating at the diapire of holding tank 11 and lateral wall, can effectively reflect the bright reflection that chip 21 sent to lamp shade 3 spotlight. It is understood that the light reflecting coating is made of a non-metallic material. Preferably, the reflective coating can also be disposed on the bottom wall and the side wall of the accommodating groove 11 by spraying, painting, etc.

Optionally, the side wall of the receiving groove 11 is a smooth curved surface, and the bottom wall of the receiving groove 11 is a smooth plane. Set up the lateral wall through with holding tank 11 to smooth curved surface, set up the diapire of holding tank 11 to smooth plane, can promote the roughness of the lateral wall of holding tank 11 and diapire to promote the reflecting effect of the lateral wall of holding tank 11 and diapire. Preferably, the bracket 1 is made of a light-tight insulating material, so that the light reflecting effect of the side wall and the bottom wall of the accommodating groove 11 can be further improved, and light leakage is prevented.

Optionally, the chip assembly is provided in plurality. Through setting up a plurality of chip subassemblies, can promote the illumination intensity of SMD LED lamp pearl, can understand that the correspondence is provided with the multiunit wire casing 12 that passes chip 21's lead wire 211 on the support 1, and every group includes two wire casings 12. In other embodiments, as shown in fig. 2, the chip assembly is provided with three.

Optionally, the surface of the chip 21 is coated with fluorescent glue. By coating the fluorescent glue on the surface of the chip 21, the light emitted by the chip 21 can be in different colors so as to meet the requirements of users.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a SMD LED lamp pearl which characterized in that includes:

the support comprises a support (1), wherein the support (1) is provided with a containing groove (11), the containing groove (11) is provided with an opening, and the area of the opening of the containing groove (11) is larger than that of the bottom wall of the containing groove (11);

the chip assembly comprises a chip (21) and two pins (22) which are opposite to each other and arranged on the support (1) at intervals, lead wires (211) are arranged at two ends of the chip (21), and the two lead wires (211) are electrically connected to the two pins (22) in a one-to-one correspondence manner;

the lamp shade (3), lamp shade (3) set up in support (1) and general the opening seals, lamp shade (3) are the hemisphere, just lamp shade (3) are made by insulating transparent material.

2. The SMD LED lamp bead according to claim 1, characterized in that said pins (22) are integrally formed with said support (1).

3. The patch type LED lamp bead according to claim 2, wherein the pin (22) comprises an embedded portion (221) and an exposed portion (222) which are connected with each other, the embedded portion (221) is embedded in the bracket (1), the exposed portion (222) is convexly arranged on the bracket (1), and the exposed portion (222) is used for electrically connecting with a PCB.

4. The patch type LED lamp bead according to claim 3, wherein the embedded portion (221) is in a zigzag shape.

5. The SMD LED lamp bead according to claim 3, wherein said exposed portion (222) includes a first portion (2221) and a second portion (2222) which are connected at an angle, said first portion (2221) is attached to a side wall of said bracket (1), and said second portion (2222) is attached to a bottom wall of said bracket (1) and is electrically connected to said PCB.

6. The patch type LED lamp bead according to claim 3, wherein the bracket (1) further has two wire grooves (12), the two wire grooves (12) are spaced apart from each other and are both communicated with the accommodating groove (11), the chip (21) is disposed in the accommodating groove (11) and located between the two wire grooves (12), and each of the leads (211) passes through the corresponding wire groove (12) and is electrically connected to the corresponding embedded portion (221).

7. The paster type LED lamp bead according to claim 3, wherein the bottom wall and the side wall of the accommodating groove (11) are coated with reflective coatings.

8. The surface-mounted LED lamp bead according to claim 3, wherein the side wall of the accommodating groove (11) is a smooth curved surface, and the bottom wall of the accommodating groove (11) is a smooth plane.

9. The patch type LED lamp bead according to claim 1, wherein the chip assembly is provided in plurality.

10. The patch type LED lamp bead according to claim 1, wherein the surface of the chip (21) is coated with fluorescent glue.