LED support with high air tightness

Abstract

The utility model discloses an LED support with high air tightness, which comprises a support body, the support body comprises a conductive base and a plastic shell wrapping the conductive base, and the plastic shell is provided with at least one pressing piece used for pressing the conductive base to prevent the conductive base from loosening and upwarping. The pressing piece on the LED support can ensure that the conductive base is firmly fixed in the plastic shell, the phenomenon of poor air tightness of the LED support caused by looseness and upwarp of the conductive base is avoided, external water, dust and other pollutants are effectively prevented from entering the support to cause burnout of LED lamp beads, and the rejection rate of products is reduced; and meanwhile, the plastic shell and the pressing piece can form a five-surface wrapping effect on the conductive base, so that the phenomenon of untight packaging during subsequent packaging can be prevented, and the air tightness of the LED bracket is greatly improved.

Description

TECHNICAL FIELD

[0002] The utility model relates to LED support technical field especially relates to a high airtightness LED support.

BACKGROUND

[0004] LED is a kind of semiconductor light emitting device, with high efficiency, energy saving, environmental protection and other characteristics.Currently with the development of LED technology and in various fields various scene applications, produce the LED structure satisfying various demands.And LED support is the key component in LED packaging, it is the carrier of LED wafer, provides the positive and negative electrode wire of LED light source with the conduction and heat conduction, simultaneously through the angle of light-emitting cup, the regulation of light type, reaches the light efficiency required by light source;It plays the bridge role and external wire connection, is important basic material in LED industry.

[0005] LED support is mainly composed of hardware sheet (provides conductive loop) and plastic part (main body architecture) two parts.The hardware sheet structure of existing LED support is wrapped by plastic body four sides, and the hardware sheet structure is not wrapped by plastic in LED cup, and the hardware sheet of this support structure exists loose, upwarping and other risks, and once the hardware sheet is loose or upwarping, it will affect the packaging of subsequent LED support, cause the poor airtightness of LED support, so that LED lamp bead is easy to burn out.

UTILITARY MODEL CONTENT

[0007] To solve the phenomenon that the hardware sheet of current LED support is easy to loose and upwarp, cause the technical problem of poor airtightness of LED support, the utility model provides a kind of high airtightness LED support.

[0008] The utility model is realized by the following technical schemes:

[0009] A kind of high airtightness LED support, including support body, the support body includes conductive pedestal and the plastic shell that wraps conductive pedestal in, plastic shell is equipped with the compression piece for compressing conductive pedestal to prevent its loose upwarping.

[0010] A kind of high airtightness LED support as described above, the conductive pedestal includes a plurality of solid crystal pads for welding lamp bead and a plurality of wire pads for welding lamp bead pin, the solid crystal pad and the wire pad are arranged at intervals.

[0011] A kind of high airtightness LED support as described above, the compression piece is arranged at the interval of solid crystal pad and wire pad.

[0012] A kind of high airtightness LED support as described above, the compression piece is plastic adhesive tape, the length L of compression piece is 95-100mm, and the width W of compression piece is 30-35mm.

[0013] As described above, a high airtightness LED bracket has two clamping members, which are symmetrically arranged on the plastic housing.

[0014] As described above, in a high-airtightness LED bracket, the bottom of the die bond pad has a first bent portion that extends downward and bends to form an embedded connection with the plastic housing.

[0015] As described above, in a high-airtightness LED bracket, the bottom of the bonding pad has a second bent portion that extends downward and bends to form an embedded connection with the plastic housing.

[0016] In the high airtightness LED bracket described above, both the die bond pad and the wire bond pad are metal sheets.

[0017] Compared with the prior art, the high airtightness LED bracket proposed in this utility model has the following beneficial effects:

[0018] 1. The plastic housing proposed in this utility model is provided with a clamping component for pressing the conductive base to prevent it from loosening and warping. This clamping component can ensure that the conductive base is firmly fixed in the plastic housing, avoiding the phenomenon of loosening or warping of the conductive base, which would lead to poor airtightness of the LED bracket. It effectively prevents external moisture, dust and other contaminants from entering the bracket and causing the LED beads to burn out, thus reducing the product scrap rate. At the same time, the plastic housing and the clamping component can form a five-sided wrapping effect on the conductive base, which can prevent the phenomenon of incomplete sealing during subsequent encapsulation, and greatly improve the airtightness of the LED bracket.

[0019] 2. The conductive base proposed in this utility model includes die bonding pads and wire bonding pads. The arrangement of the die bonding pads and wire bonding pads at intervals helps to disperse heat and reduce heat concentration, thereby improving the heat dissipation performance of the LED bracket. The interval distribution also reduces electrical interference between LED beads, ensuring the stability and reliability of the circuit.

[0020] 3. The die bond pads and wire bond pads proposed in this utility model are both provided with a downwardly extending and bent portion at the bottom to form an embedded connection with the plastic shell. The design of the bent portion enhances the mechanical strength of the die bond pads and wire bond pads, reduces the phenomenon of displacement or damage caused by external impact or vibration, and ensures the stability and reliability of the LED beads. At the same time, it also increases the contact area between the die bond pads and wire bond pads and the plastic shell, which helps to improve the heat dissipation capacity of the LED bracket and prevent local overheating or uneven heat dissipation. [Attached Image Description]

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0023] Fig. 1 It is the three-dimensional structure schematic view of the utility model;

[0024] Fig. 2 It is the section schematic view of the utility model.

CONCRETE IMPLEMENTING METHOD

[0026] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model more clearly, the following is in combination with the drawings and examples, and the utility model is further explained in detail.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] Specific examples, in combination Figs. 1-2 As shown in the technical scheme of the utility model, a high air-tightness LED support, including support body 10, support body 10 includes conductive base 20 and the plastic shell 30 that wraps conductive base 20, the plastic shell 30 is equipped with the compression piece 40 for compressing conductive base 20 and preventing it loose and up. The compression piece 40 on the LED support can ensure that the conductive base 20 is firmly fixed in the plastic shell 30, avoid the loose, up of conductive base 20 and lead to the poor air-tightness of LED support phenomenon, effectively prevent the outside moisture, dust and other pollutants into the support interior cause LED lamp bead burnout, reduce the product scrap rate;Meanwhile, the plastic shell 30 and compression piece 40 can form the effect of five-face wrapping to conductive base 20, can prevent the subsequent encapsulation and appear the phenomenon of not tight, greatly improve the air-tightness of LED support.

[0028] Further, as the preferred embodiment of the scheme but not limited, the conductive base 20 includes a plurality of die-bonding pads 21 for welding lamp beads and a plurality of wire-bonding pads 22 for welding lamp bead pins, a plurality of the die-bonding pads 21 and a plurality of the wire-bonding pads 22 are arranged at intervals.

[0029] In the embodiment, the die-bonding pads 21 are provided with three, and the wire-bonding pads 22 are provided with three. The arrangement mode of the die-bonding pads and the wire-bonding pads arranged at intervals helps to disperse heat and reduce heat concentration, thereby improving the heat dissipation performance of the LED support;The mode of interval distribution can also reduce the electrical interference between the LED lamp beads, ensure the stability and reliability of the circuit.

[0030] Further, as the preferred embodiment of the scheme but not limited, the number of the compression pieces 40 is two, and the two compression pieces 40 are symmetrically arranged on the plastic shell 30.

[0031] The pressing piece 40 is arranged at the interval between the die-bonding pad 21 and the wire-bonding pad 22, so as to maximize the pressing of the die-bonding pad 21 and the wire-bonding pad 22.

[0032] In the embodiment, the interval between the die-bonding pad and the wire-bonding pad is the most likely place to be loose or warped, so that the pressing piece arranged at the interval can better prevent the loose or warped phenomenon and improve the stability of the conductive base; the two symmetrically arranged pressing pieces can uniformly apply pressure to ensure that the conductive base does not deviate during the curing process of the packaging glue, improve the tightness of the LED support packaging, and further improve the airtightness of the LED support.

[0033] Further, as a preferred embodiment of the present solution but not limited, the pressing piece 40 is a plastic strip, the length L of the pressing piece 40 is 95-100 mm, and the width W of the pressing piece 40 is 30-35 mm.

[0034] In the embodiment, the pressing piece with appropriate length and width can provide sufficient pressing force for the conductive base without increasing the production cost of the LED support, so as to prevent the loose, warped and other phenomena of the conductive base; at the same time, the plastic pressing piece has good electrical insulation capability, which can reduce the electrical interference between the LED lamp beads and ensure the stability and reliability of the circuit.

[0035] Further, as a preferred embodiment of the present solution but not limited, the bottom of the die-bonding pad 21 is provided with a first bending part 211 extending downward and bent to be embedded and connected with the plastic shell 30, and the bottom of the wire-bonding pad 22 is provided with a second bending part 221 extending downward and bent to be embedded and connected with the plastic shell 30.

[0036] In the embodiment, the design of the bending part enhances the mechanical strength of the die-bonding pad and the wire-bonding pad, reduces the deviation or damage phenomenon caused by external impact or vibration, and ensures the stability and reliability of the LED lamp beads; at the same time, the bending part also increases the contact area between the die-bonding pad and the wire-bonding pad and the plastic shell, which helps to improve the heat dissipation capacity of the LED support and prevent the local overheating or uneven heat dissipation phenomenon.

[0037] Further, as a preferred embodiment of the present solution but not limited, the die-bonding pad 21 and the wire-bonding pad 22 are both metal sheets.

[0038] The working principle of the embodiment is as follows:

[0039] The utility model provides a kind of high airtightness LED support, the interval of the fixed crystal pad 21 and wire pad 22 is pressed tightly by two symmetrical pressure members 40 on plastic shell 30, the bottom of fixed crystal pad 21 and wire pad 22 is all extended and bent to form the bending part embedded connection with plastic shell 30, so as to ensure that conductive pedestal 20 is firmly fixed in plastic shell 20, avoid the phenomenon that conductive pedestal 20 appears loose, upwarping leads to the poor airtightness of LED support.

[0040] Those skilled in the art should understand that the above description is an embodiment provided in combination with specific content, and the specific implementation of the utility model is not limited to these descriptions. Since the industry naming is not the same, it is not limited to the above naming and not limited to the English naming. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or replacement under the premise of the concept of the utility model, should be considered as the protection scope of the utility model.

Claims

1. A high-hermetic LED holder, characterized by, The support body (10) comprises a conductive base (20) and a plastic shell (30) wrapping the conductive base (20), and the plastic shell (30) is provided with a pressing part (40) for pressing the conductive base (20) to prevent it from loosening and upwarping; The conductive base (20) comprises a plurality of die-bonding pads (21) for welding lamp beads and a plurality of wire-bonding pads (22) for welding lamp bead pins, and the die-bonding pads (21) and the wire-bonding pads (22) are arranged at intervals; The pressing part (40) is arranged at the interval between the die-bonding pads (21) and the wire-bonding pads (22).

2. The high hermetic LED holder of claim 1, wherein, The pressing part (40) is a plastic adhesive strip, the length L of the pressing part (40) is 95-100 mm, and the width W of the pressing part (40) is 30-35 mm.

3. The high hermetic LED holder of claim 1, wherein, The number of the pressing parts (40) is two, and the two pressing parts (40) are symmetrically arranged on the plastic shell (30).

4. The high hermetic LED holder of claim 1, wherein, The bottom of the die-bonding pad (21) is provided with a first bending part (211) extending downward and bent to be embedded and connected with the plastic shell (30).

5. The high hermetic LED holder of claim 1, wherein, The bottom of the wire-bonding pad (22) is provided with a second bending part (221) extending downward and bent to be embedded and connected with the plastic shell (30).

6. The high hermetic LED holder of claim 1, wherein, The die-bonding pad (21) and the wire-bonding pad (22) are both metal sheets.

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