CN220138340U - SMD type LED support - Google Patents

Abstract

The utility model is applicable to the technical field of LEDs, and provides an SMD type LED bracket; 1. comprising the following steps: the bottom of the cup-shaped support is provided with a groove; PN dams are arranged in the grooves; the PN dam comprises a first section, a second section and a third section which are sequentially connected, an included angle is formed between the first section and the second section, an included angle is formed between the second section and the third section, and the first section is far away from the second section and is connected to the inner wall of the groove; the third section is far away from the second section and is connected to the inner wall of the groove. The utility model can increase the area and the effective utilization rate of the die bonding area of the bracket, and can effectively improve the area of the operable wafer by more than 40 percent; through unique PN dam design, the light efficiency of the packaged product can be improved by about 5%, the air tightness of the product is improved, the vulcanizing resistance of the product is improved, and the light attenuation maintenance rate is better.

Description

SMD type LED support

Technical Field

The utility model relates to the technical field of LEDs, in particular to an SMD type LED bracket.

Background

The LED bracket is a base seat of the LED lamp bead before packaging, a chip is fixed in on the basis of the LED bracket, positive and negative electrodes are welded on the LED lamp bead, and packaging glue is used for packaging and forming at one time.

With the rapid development of the LED packaging industry, high-light-efficiency and high-quality SMD lighting products have taken the dominant position in the market, and currently reach 200lm/W (0.2W-4000 k CRI 80 specification), in order to develop an SMD packaging product with higher light efficiency and high quality, a clip with larger area, higher light flux and lower voltage must be used for packaging, but the design of the traditional SMD bracket on the market cannot meet the packaging requirement.

Disclosure of Invention

The utility model aims to provide an SMD type LED bracket so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical scheme:

an SMD type LED holder, comprising: the bottom of the cup-shaped support is provided with a groove; PN dams are arranged in the grooves;

the PN dam comprises a first section, a second section and a third section which are sequentially connected, an included angle is formed between the first section and the second section, an included angle is formed between the second section and the third section, and the first section is far away from the second section and is connected to the inner wall of the groove; the third section is far away from the second section and is connected to the inner wall of the groove.

As a further scheme of the utility model: the included angle between the first section and the second section is close to 90 degrees or 90 degrees; the included angle between the second section and the third section is approximately 90 degrees or 90 degrees.

The utility model provides another technical scheme as follows:

an SMD type LED holder, comprising: the bottom of the cup-shaped support is provided with a groove; PN dams are arranged in the grooves;

the PN dam comprises a fourth section, a fifth section, a sixth section, a seventh section, a sixth section, a fifth section and a fourth section which are sequentially connected; an included angle is arranged between the fourth section and the fifth section; an included angle is arranged between the fifth section and the sixth section, and an included angle is arranged between the sixth section and the seventh section.

As a further aspect of the utility model: the included angle between the fourth section and the fifth section is close to 90 degrees or 90 degrees; an included angle between the fifth section 8 and the sixth section is close to 90 degrees or 90 degrees, and an included angle between the sixth section 9 and the seventh section 10 is close to 90 degrees or 90 degrees; the fourth section is far away from the fifth section and is connected to the inner wall of the groove.

As still further aspects of the utility model: and a transition connecting section is further arranged between the fourth section and the fifth section.

Compared with the prior art, the utility model has the beneficial effects that: the area and the effective utilization rate of the die bonding area of the bracket can be increased, and the area of the operable wafer can be effectively increased by more than 40%; through unique PN dam design, the light efficiency of the packaged product can be improved by about 5%, the air tightness of the product is improved, the vulcanizing resistance of the product is improved, and the light attenuation maintenance rate is better.

Drawings

Fig. 1 is a schematic structural diagram of an SMD type LED holder according to embodiment 1 of the present utility model.

Fig. 2 is a schematic structural diagram of an SMD type LED holder according to embodiment 2 of the present utility model.

In the figure: 1-cup-shaped support, 2-groove, 3-PN dam, 4-first section, 5-second section, 6-third section, 7-fourth section, 8-fifth section, 9-sixth section, 10-seventh section.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, in embodiment 1 of the present utility model, a structure diagram of an SMD type LED holder according to an embodiment of the present utility model includes: the cup-shaped support comprises a cup-shaped support 1, wherein a groove 2 is formed in the bottom of the cup-shaped support 1; PN dams 3 are arranged in the grooves 2;

the PN dam 3 comprises a first section 4, a second section 5 and a third section 6 which are sequentially connected, an included angle is formed between the first section 4 and the second section 5, an included angle is formed between the second section 5 and the third section 6, and the first section 4 is far away from the second section 5 and is connected to the inner wall of the groove 2; the third section 6 is connected to the inner wall of the recess 2 remote from the second section 5.

As a preferred embodiment of the utility model, the angle between the first section 4 and the second section 5 is approximately 90 ° or 90 °. The included angle between the second section 5 and the third section 6 is approximately 90 ° or 90 °. Therefore, the area and the effective utilization rate of the die bonding area of the bracket can be increased, and the area of the operable wafer can be effectively increased by more than 40%; through unique PN dam design, the light efficiency of the packaged product can be improved by about 5%, the air tightness of the product is improved, the vulcanizing resistance of the product is improved, and the light attenuation maintenance rate is better.

The centrosymmetric design of the embodiment is convenient for the packaging end to better carry out the product design and the production operation of the manufacturing process end; and the improvement of the air tightness of the product is facilitated.

Example 2

Referring to fig. 2, a block diagram of an SMD type LED holder according to an embodiment of the present utility model includes: the cup-shaped support comprises a cup-shaped support 1, wherein a groove 2 is formed in the bottom of the cup-shaped support 1; PN dams 3 are arranged in the grooves 2;

the PN dam 3 comprises a fourth section 7, a fifth section 8, a sixth section 9, a seventh section 10, a sixth section 9, a fifth section 8 and a fourth section 7 which are sequentially connected; wherein an included angle is arranged between the fourth section 7 and the fifth section 8; an included angle is arranged between the fifth section 8 and the sixth section 9, and an included angle is arranged between the sixth section 9 and the seventh section 10.

The included angle between the fourth section 7 and the fifth section 8 is close to 90 degrees or is 90 degrees; the included angle between the fifth section 8 and the sixth section 9 is approximately 90 degrees or 90 degrees, and the included angle between the sixth section 9 and the seventh section 10 is approximately 90 degrees or 90 degrees. Therefore, the area and the effective utilization rate of the die bonding area of the bracket can be increased, and the area of the operable wafer can be effectively increased by more than 40%; through unique PN dam design, the light efficiency of the packaged product can be improved by about 5%, the air tightness of the product is improved, the vulcanizing resistance of the product is improved, and the light attenuation maintenance rate is better. The fourth section 7 is connected to the inner wall of the recess 2 remote from the fifth section 8.

The upper and lower mirror symmetry design of the embodiment is convenient for the packaging end to better carry out product design and production operation of the manufacturing process end; can effectively block air/water vapor outside the bracket bowl cup, ensure better oxidation resistance/sulfuration resistance of the product, and can greatly improve RA performance of the product.

A transition connecting section is further arranged between the fourth section 7 and the fifth section 8. The included angle between the transition connecting sections and the fourth section 7 and the fifth section 8 is larger than 90 degrees.

As used in the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Features defining "first," "second," etc. may explicitly or implicitly include one or more such features.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (2)

1. An SMD type LED holder, comprising: the bottom of the cup-shaped support is provided with a groove; PN dams are arranged in the grooves;

the PN dam comprises a first section, a second section and a third section which are sequentially connected, an included angle is formed between the first section and the second section, an included angle is formed between the second section and the third section, and the first section is far away from the second section and is connected to the inner wall of the groove; the third section is far away from the second section and is connected to the inner wall of the groove.

2. The SMD type LED holder of claim 1, wherein the angle between said first and second segments is approximately 90 ° or 90 °; the included angle between the second section and the third section is approximately 90 degrees or 90 degrees.