CN214313238U

CN214313238U - LED support structure for protecting pins

Info

Publication number: CN214313238U
Application number: CN202120089492.1U
Authority: CN
Inventors: 龚文; 付巩
Original assignee: Suzhou Kinglight Optoelectronics Co ltd
Current assignee: Suzhou Kinglight Optoelectronics Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-28
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a LED supporting structure of protection pin, include: the bracket comprises a bracket main body and a plastic shell arranged on the bracket main body, wherein a plastic groove is formed in the lower side of the plastic shell; the bottom of the support main body extends outwards to form a support pin, the support pin is arranged in the plastic groove after being bent, and plastic protrusions are formed on the two sides of the support pin on the plastic shell. The utility model has the advantages that: through improving LED support injection mold, at support bottom shaping U type recess, this recess forms the plastic arch in support pin both sides position, can keep out external force and act on the pin when the support receives the external force effect, has reduced pin perk and fracture risk.

Description

LED support structure for protecting pins

Technical Field

The utility model relates to a LED field, concretely relates to LED supporting structure of protection pin.

Background

Light emitting diodes are referred to as LEDs for short. Is made of a compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc. When electrons and holes are recombined, visible light is radiated, so that the light-emitting diode can be manufactured. In circuits and instruments as indicator lights or to form text or numerical displays. Gallium arsenide diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and gallium nitride diodes emit blue light. Organic light emitting diodes OLED and inorganic light emitting diodes LED are classified by their chemical properties.

The development of the LED display screen is very rapid, the LED display screen is developing towards higher weather resistance, higher luminous density and higher reliability, the outdoor display screen is more and more developing towards high density and high reliability, and the size of the LED lamp bead is smaller and smaller. The smaller the size of the LED lamp bead is, the smaller the thickness and the size of the pin of the lamp bead are, so that the toughness of the pin is continuously reduced, the tilting and breaking risks of the pin are greatly improved, and the reliability of an LED product is seriously influenced. Referring to fig. 1, two sides of a pin of a current injection molding structure at the bottom of a support are in direct contact with the outside, and the pin is prone to tilting and breaking under the action of external force.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a LED supporting structure of protection pin has reduced pin perk and fracture risk.

In order to solve the technical problem, the utility model provides a LED supporting structure of protection pin, include: the bracket comprises a bracket main body and a plastic shell arranged on the bracket main body, wherein a plastic groove is formed in the lower side of the plastic shell; the bottom of the support main body extends outwards to form a support pin, the support pin is arranged in the plastic groove after being bent, and plastic protrusions are formed on the two sides of the support pin on the plastic shell.

The utility model has the advantages that:

through improving LED support injection mold, at support bottom shaping U type recess, this recess forms the plastic arch in support pin both sides position, can keep out external force and act on the pin when the support receives the external force effect, has reduced pin perk and fracture risk.

In one embodiment, the support pins include a first support pin and a second support pin that are spaced and arranged opposite to each other, the number of the first support pins is the same as that of the second support pins, the structure of the first support pin is the same as that of the second support pin, and a plurality of the first support pins and a plurality of the second support pins are provided.

In one embodiment, a packaging groove which is concave downwards is arranged on the upper side surface of the plastic shell; the first support pin comprises a die bonding portion, a connecting portion and a welding portion, the die bonding portion, the connecting portion and the welding portion are integrally formed, the die bonding portion is arranged in the packaging groove, the welding portion is arranged on the lower side of the plastic shell, one end of the connecting portion is connected with the die bonding portion, the other end of the connecting portion is connected with the welding portion, and the connecting portion is coated by the plastic shell.

In one embodiment, the connecting part is connected with the welding part after being bent downwards twice continuously from the die bonding part, and the connecting part comprises a first vertical part, a bent connecting part and a second vertical part which are sequentially connected between the die bonding part and the welding part; the first vertical portion and the second vertical portion are parallel.

In one embodiment, one end of the welding part, which is far away from the connecting part, is bent towards the inner side of the bottom of the plastic shell.

In one embodiment, the packaging recess is bowl-shaped.

In one embodiment, the bracket main body is provided with a functional area, the functional area is provided with a red light LED chip, the area of the functional area for installing the red light LED chip is of a Y-shaped structure, and the red light LED chip is fixed in the area of the Y-shaped structure through silver adhesive.

In one embodiment, the functional region is further mounted with green LED chips and blue LED chips.

In one embodiment, the green LED chip and the blue LED chip are fixed to the functional region by an insulating adhesive.

In one embodiment, the red LED chips, the green LED chips and the blue LED chips are arranged in a line on the functional region.

Drawings

Fig. 1 is a schematic diagram of a prior art LED support structure.

Fig. 2 is a schematic diagram of the LED support structure for protecting the pins according to the present invention.

Fig. 3 is a side view of the LED support structure for pin protection of the present invention.

Fig. 4 is a schematic diagram of the functional area of the LED support structure for protecting the pins according to the present invention.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 2 to 3, an LED support structure for protecting a lead pin includes: the bracket comprises a bracket main body and a plastic shell 200 arranged on the bracket main body, wherein a plastic groove 210 is arranged at the lower side of the plastic shell; the bottom of support main part outwards extends and forms support pin 300, the support pin is arranged in through bending in the plastic recess, on the plastic shell support pin both sides position forms plastic arch 400.

In detail, the support pins comprise a first support pin and a second support pin which are arranged at intervals and opposite to each other, the number of the first support pins is the same as that of the second support pins, the structure of the first support pin is the same as that of the second support pin, and the first support pin and the second support pin are provided in plurality.

It is understood that the number of the first support pins and the number of the second support pins may be three, and the number of the first support pins and the number of the second support pins are symmetrically distributed.

The upper side surface of the plastic shell is provided with a packaging groove 220 which is concave downwards. The packaging groove is used for forming a reflecting cup. Preferably, the packaging groove is bowl-shaped. The first lead frame includes a die bonding portion 310, a connecting portion 320, and a soldering portion 330. The die bonding part is used for mounting the LED lamp beads.

The die bonding part, the connecting part and the welding part are integrally formed, the die bonding part is arranged in the packaging groove, the welding part is arranged on the lower side of the plastic shell, one end of the connecting part is connected with the die bonding part, the other end of the connecting part is connected with the welding part, and the connecting part is coated by the plastic shell. One end of the welding part, which is far away from the connecting part, is bent towards the inner side of the bottom of the plastic shell.

More specifically, the connecting portion is connected with the welding portion after being bent downward twice continuously from the die bonding portion, and the connecting portion includes a first vertical portion 321, a bent connecting portion 322 and a second vertical portion 323 which are sequentially connected between the die bonding portion and the welding portion; the first vertical portion and the second vertical portion are parallel.

The first support pin and the second support pin are symmetrical left and right, and are similar in structure and arranged oppositely, so that the description is omitted.

Referring to fig. 4, the bracket main body is provided with a functional area 500, the functional area is provided with a red light LED chip 510, the area of the functional area where the red light LED chip is arranged is a Y-shaped structure 520, and the red light LED chip is fixed in the Y-shaped structure area through silver adhesive. The functional regions are also mounted with green LED chips 530 and blue LED chips 540. The green light LED chip and the blue light LED chip are fixed on the functional area through insulating glue. The red light LED chips, the green light LED chips and the blue light LED chips are arranged in a straight line shape on the functional area.

The utility model discloses LED supporting structure is through setting up Y type structure in the functional area, is fixed in Y type structural area with ruddiness LED chip through the silver colloid for the silver colloid has bigger area of contact with the functional area, makes ruddiness LED chip, silver colloid and support main part combine closely, has increased the area of contact of silver colloid bottom and functional area, effectively promotes the stability of structure, prevents that ruddiness LED chip from appearing peeling off, extension LED's life.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. An LED support structure for protecting pins, comprising: the bracket comprises a bracket main body and a plastic shell arranged on the bracket main body, wherein a plastic groove is formed in the lower side of the plastic shell; the bottom of the support main body extends outwards to form a support pin, the support pin is arranged in the plastic groove after being bent, and plastic protrusions are formed on the two sides of the support pin on the plastic shell.

2. The pin-protected LED support structure of claim 1, wherein the support pins comprise a first support pin and a second support pin spaced apart and disposed opposite to each other, the first support pin and the second support pin are equal in number, the first support pin and the second support pin are equal in structure, and the first support pin and the second support pin are provided in plurality.

3. The pin-protected LED support structure of claim 2, wherein the plastic housing has a downwardly concave package recess on an upper side; the first support pin comprises a die bonding portion, a connecting portion and a welding portion, the die bonding portion, the connecting portion and the welding portion are integrally formed, the die bonding portion is arranged in the packaging groove, the welding portion is arranged on the lower side of the plastic shell, one end of the connecting portion is connected with the die bonding portion, the other end of the connecting portion is connected with the welding portion, and the connecting portion is coated by the plastic shell.

4. The pin-protecting LED support structure according to claim 3, wherein the connecting portion is connected to the soldering portion after being bent downward twice continuously from the die attach portion, and the connecting portion includes a first vertical portion, a bent connecting portion, and a second vertical portion sequentially connected between the die attach portion and the soldering portion; the first vertical portion and the second vertical portion are parallel.

5. The LED support structure for protecting pins according to claim 3, wherein an end of the soldering portion away from the connecting portion is bent toward an inner side of the bottom of the plastic housing.

6. The pin-protected LED support structure of claim 3, wherein the encapsulation recess is bowl-shaped.

7. The pin-protecting LED support structure according to claim 1, wherein a functional region is arranged on the support body, the functional region is provided with a red LED chip, the region of the functional region for mounting the red LED chip is Y-shaped, and the red LED chip is fixed in the Y-shaped region through silver adhesive.

8. The pin-protected LED support structure of claim 7, wherein the functional region further mounts a green LED chip and a blue LED chip.

9. The pin-protecting LED support structure of claim 8, wherein the green LED chip and the blue LED chip are fixed to the functional region by an insulating paste.

10. The pin-protected LED support structure of claim 8, wherein the red LED chips, the green LED chips, and the blue LED chips are arranged in a line on the functional region.