CN210778671U

CN210778671U - SMD full-spectrum LED lamp bead

Info

Publication number: CN210778671U
Application number: CN201922009746.XU
Authority: CN
Inventors: 黄大玮; 王璐
Original assignee: Shenzhen Hengyaoda Technology Co ltd
Current assignee: Shenzhen Hengyaoda Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-16
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a SMD full gloss register for easy reference LED lamp pearl. The LED lamp bead comprises a bracket; the first/second light-emitting chip is arranged in the bowl-shaped groove, the anode of the first/second light-emitting chip is connected with the first conductive part, and the cathode of the first/second light-emitting chip is connected with the second conductive part; the white silica gel is arranged in the bowl-shaped groove; the fluorescent glue is arranged on the tops of the first light-emitting chip and the second light-emitting chip; and transparent silica gel. The utility model adopts the design that the fluorescent glue is locally arranged at the upper ends of the first luminescent chip and the second luminescent chip, thereby greatly reducing the using amount of the fluorescent powder; meanwhile, the design of white silica gel is adopted, so that the luminous efficiency of the LED lamp bead is increased, and meanwhile, in the process of dispensing the fluorescent glue, the problem that the fluorescent glue overflows downwards along the side walls of the first light-emitting chip and the second light-emitting chip is avoided.

Description

SMD full-spectrum LED lamp bead

Technical Field

The utility model relates to a LED field especially relates to a SMD full gloss register for easy reference LED lamp pearl.

Background

The English language of the LED is (light emitting diode), and the LED lamp bead is the English abbreviation of the LED which is called LED for short, which is a popular name.

LED lamp pearl on the present market, in process of production, the cost of phosphor powder is very high, simultaneously, at the in-process of point, the manufacturing cost of lamp pearl just can be reduced to the rate of utilization of reduction phosphor powder that can furthest, and present way is all to add the fluorescent glue of whole bowl in bowl form shape recess, and the fluorescent glue is extravagant great.

Meanwhile, the reflectivity of the LED lamp beads on the market is low.

Therefore, there is a need in the market for an SMD full spectrum LED lamp bead that can solve one or more of the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

For solving one or more problems that exist among the prior art, the utility model provides a SMD full gloss register for easy reference LED lamp pearl.

The utility model discloses a reach the technical scheme that above-mentioned purpose adopted and be: the utility model provides a SMD full gloss register for easy reference LED lamp pearl, LED lamp pearl includes:

the bracket comprises a bottom plate consisting of a first conductive part, a second conductive part and an insulating layer which is arranged between the first conductive part and the second conductive part and used for isolating the first conductive part from the second conductive part; the side plate is arranged on the bottom plate, and a bowl-shaped groove is formed in the middle of the side plate;

the first light-emitting chip is arranged in the bowl-shaped groove, the positive electrode of the first light-emitting chip is connected with the first conductive part, and the negative electrode of the first light-emitting chip is connected with the second conductive part;

the second light-emitting chip is arranged in the bowl-shaped groove, the anode of the second light-emitting chip is connected with the first conductive part, and the cathode of the second light-emitting chip is connected with the second conductive part;

the white silica gel is arranged in the bowl-shaped groove, and the highest point of the white silica gel is lower than or equal to the highest points of the first light-emitting chip and the second light-emitting chip;

the fluorescent glue is arranged on the tops of the first light-emitting chip and the second light-emitting chip; and

the transparent silica gel, the transparent silica gel sets up white silica gel with the fluorescent glue upper end, just transparent silica gel up end forms a concave surface.

In some embodiments, the first and second light emitting chips have a wavelength ranging from 440nm to 480 nm.

In some embodiments, the phosphor in the fluorescent glue is one or more of green powder in a wave band of 490nm to 510nm, yellow powder in a wave band of 520nm to 590nm and red powder in a wave band of 650nm to 690 nm.

In some embodiments, the upper end surface of the fluorescent gel is spherical.

The utility model has the advantages that: the utility model adopts the design that the fluorescent glue is locally arranged at the upper ends of the first luminescent chip and the second luminescent chip, thereby greatly reducing the using amount of the fluorescent powder; meanwhile, the design of white silica gel is adopted, so that the luminous efficiency of the LED lamp bead is increased, and meanwhile, in the process of dispensing the fluorescent glue, the problem that the fluorescent glue overflows downwards along the side walls of the first light-emitting chip and the second light-emitting chip is avoided.

Drawings

Fig. 1 is a cross-sectional view of a SMD full spectrum LED lamp bead according to a preferred embodiment of the present invention;

fig. 2 is the utility model discloses preferred embodiment a connection schematic diagram of first luminescence chip, the luminescence chip of second in SMD full gloss register for easy reference LED lamp pearl.

Detailed Description

In order to make the above objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 and fig. 2, this embodiment discloses a SMD full spectrum LED lamp pearl, the LED lamp pearl includes:

a bracket 10, wherein the bracket 10 comprises a bottom plate composed of a first conductive part 11, a second conductive part 12 and an insulating layer 13 arranged between the first conductive part 11 and the second conductive part 12 and used for isolating the first conductive part 11 and the second conductive part 12; the side plate 14 is arranged on the bottom plate, and a bowl-shaped groove 15 is arranged in the middle of the side plate;

a first light emitting chip 20, wherein the first light emitting chip 20 is disposed in the bowl-shaped groove 15, a positive electrode of the first light emitting chip 20 is connected to the first conductive part 11, and a negative electrode of the first light emitting chip 20 is connected to the second conductive part 12;

a second light emitting chip 30, wherein the second light emitting chip 30 is disposed in the bowl-shaped groove 15, a positive electrode of the second light emitting chip 30 is connected to the first conductive part 11, and a negative electrode of the second light emitting chip 30 is connected to the second conductive part 12;

the white silica gel 40 is arranged in the bowl-shaped groove 15, and the highest point of the white silica gel 40 is lower than or equal to the highest points of the first light emitting chip 20 and the second light emitting chip 30;

the fluorescent glue 50 is arranged on the top of the first light-emitting chip 20 and the second light-emitting chip 30; and

transparent silica gel 60, transparent silica gel 60 sets up white silica gel 40 with fluorescent glue 50 upper end, just transparent silica gel 60 up end forms concave surface 61.

Specifically, in the present embodiment, the white silica gel 40 is designed in the bowl-shaped groove 15, so that the reflectivity of the bottom surface of the bowl-shaped groove 15 is increased, and the light-emitting rate is increased, and meanwhile, the design of the white silica gel 40 avoids the problem that the fluorescent gel 50 overflows along the side walls of the first light-emitting chip 20 and the second light-emitting chip 30 when fluorescent powder is spotted on the first light-emitting chip 20 and the second light-emitting chip 30.

It should be noted that a lower concave surface 61 is formed on the upper end surface of the transparent silicone rubber 60, and the lower concave surface 61 is a circular spherical surface or an elliptical spherical surface, so that the light emitting surface is equivalent to a concave lens, and the light condensing effect of the concave lens is further enhanced by the light condensing effect of the concave lens.

In the practical use process, the fluorescent powder consumption is reduced, the dispensing effect is improved, and the market competitiveness is greatly improved.

In some embodiments, the first and second

light emitting chips

20 and 30 have a wavelength ranging from 440nm to 480 nm.

Specifically, the first light emitting chip 20 and the second light emitting chip 30 may be blue light chips with the same wavelength or blue light chips with different wavelengths, and the best embodiment is not implemented by using a 458nm blue light chip and a 476nm blue light chip, and after the excited light is mixed, the color rendering index is high, and the best effect is obtained.

In some embodiments, the phosphor in the phosphor glue 50 is one or more of green powder with a wavelength range of 490nm to 510nm, yellow powder with a wavelength range of 520nm to 590nm, and red powder with a wavelength range of 650nm to 690 nm.

In some embodiments, the upper end surface of the fluorescent glue 50 is a spherical surface.

In summary, the design of locally arranging the fluorescent glue 50 at the upper ends of the first light-emitting chip 20 and the second light-emitting chip 30 greatly reduces the amount of fluorescent powder; meanwhile, the design of the white silica gel 40 is adopted, so that the luminous efficiency of the LED lamp bead is increased, and meanwhile, in the process of dispensing the fluorescent glue 50, the problem that the fluorescent glue 50 overflows downwards along the side walls of the first light-emitting chip 20 and the second light-emitting chip 30 is avoided.

The above-mentioned embodiments only express two embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a SMD full gloss register for easy reference LED lamp pearl which characterized in that, LED lamp pearl includes:

2. The SMD full spectrum LED lamp bead of claim 1, wherein the wavelength range of said first and second light emitting chips is 440nm-480 nm.

3. The SMD full-spectrum LED lamp bead according to claim 1, wherein the fluorescent powder in the fluorescent gel is one or more of green powder with a wave band of 490-510 nm, yellow powder with a wave band of 520-590 nm and red powder with a wave band of 650-690 nm.

4. The SMD full spectrum LED lamp bead of claim 1, wherein said phosphor upper end surface is a spherical surface.