CN210092123U

CN210092123U - Energy-saving LED packaging structure

Info

Publication number: CN210092123U
Application number: CN201921207990.0U
Authority: CN
Inventors: 李玉衡; 刘兆文
Original assignee: Shandong Guangxun Electric Technology Co Ltd
Current assignee: Shandong Guangxun Electric Technology Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-02-18
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses an energy-saving LED packaging structure, which relates to the technical field of LED packaging, and comprises a bracket, a packaging substrate and an LED chip, wherein the lower end of the LED chip is provided with a heat conduction column, a heat conduction plate and a heat dissipation fin piece, which can effectively discharge the heat generated in the working process of the LED chip, thereby saving energy and preventing the LED chip from being damaged due to overhigh temperature, a reflector is arranged on the inclined plane of a circular groove of the packaging substrate, the reflector can reflect the light emitted by the LED chip once, thus the light gathered on a lens is more, the generated bright light is maximally used, when the same brightness is required, the energy consumed by the structure of the utility model is lower, the energy-saving effect is further achieved, the upper end surface of the bracket is provided with a groove, the bottom end of the lens is arranged in the groove, and the joint is provided with crystal fixing glue, when the bad weather such as rain, to the inner member of lens and support, effectual waterproof protection that carries on, and then prolonged LED's life.

Description

Energy-saving LED packaging structure

Technical Field

The utility model relates to a LED encapsulates technical field, specifically is an energy-saving LED packaging structure.

Background

As a novel light source, the LED has many advantages that conventional light sources are energy-saving, environment-friendly, long-lived, fast to start, and the like, and in recent years, along with the continuous development of LED chip technology and packaging technology, LEDs are also increasingly applied to the fields of illumination and auxiliary illumination.

The patent of the utility model with the publication number of CN202651191U discloses an energy-saving LED package structure, which comprises a support, a copper pillar, a LED chip fixed on the top of the copper pillar, and a gold thread connected to the LED chip, wherein the support comprises a bottom wall and a side wall extending upward from the periphery of the bottom wall, the bottom wall and the side wall together form a containing space, the copper pillar is arranged in the containing space, the top end of the copper pillar is lower than the top end of the side wall of the support, the LED chip fixed on the top end of the copper pillar is lower than the top end of the side wall of the support, the containing space is filled with fluorescent glue, the two side walls of the support form a reflective cup shape, the package structure does not need a lens, the light-gathering effect of the product can be realized, the production cost is reduced, the production process is simplified, however, the silica gel filled in the package structure is not easy to dissipate heat, and the LED, the LED lamp beads are extremely easy to damage due to the overhigh heat, the service life of the LED lamp is shortened, and the power consumption can be increased.

SUMMERY OF THE UTILITY MODEL

In view of the not enough and defect that exists among the prior art, the utility model provides an energy-saving LED packaging structure has good heat abstractor, can solve among the prior art because of the too high problem that leads to LED lamp pearl to damage of heat.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an energy-saving LED packaging structure, includes support, packaging substrate and LED chip, its characterized in that: the LED packaging structure comprises a packaging substrate, a circular groove is arranged in the middle of the packaging substrate, an LED chip is arranged at the center of the bottom of the circular groove, a die bond is arranged at the lower end of the LED chip, the lower end face of the die bond is fixedly connected with the upper end face of the circular groove of the packaging substrate, a heat conduction column is arranged inside the die bond and the packaging substrate, the upper end of the heat conduction column is connected with the bottom end of the LED chip, the lower end of the heat conduction column penetrates through the die bond and the packaging substrate and is fixedly connected with a heat conduction plate, the lower end face of the packaging substrate is fixedly connected with the heat conduction plate, heat dissipation fins are arranged at the lower end of the heat conduction plate, a constant pressure device is arranged on one side of the die bond, a reflecting mirror is arranged on the inclined plane of the circular groove of the packaging substrate, a lens is arranged at the upper end of the LED chip, the lens is a resin lens, the lower ends of the bracket and the radiating fins are fixed on the aluminum substrate.

As a further improvement of the utility model, the upper surface of the LED chip is provided with fluorescent glue.

As a further improvement of the utility model, one end of the outer side of the support is fixedly connected with a polar plate.

As a further improvement of the utility model, the heat conducting plate is made of aluminum.

As a further improvement of the utility model, the junction of the lens and the bracket is provided with solid crystal glue.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

1. the utility model discloses in be provided with heat conduction post, heat-conducting plate and heat radiation fins at the lower extreme of LED chip, can not only save energy but also prevent that the high temperature from causing the damage to the LED chip with the effectual discharge of heat that the LED chip produced in the course of the work.

2. The utility model discloses in be provided with the reflector on the inclined plane of packaging substrate's circular slot, the light that the reflector can be launched out by the bar LED chip carries out primary reflection, and the light of gathering on lens is more like this for the bright light of production obtains the use of maximize, consequently, when requiring same luminance, the utility model discloses an energy that this kind of structure consumeed is lower, further reaches energy-conserving effect.

3. The utility model discloses be provided with the pressostat in one side of LED chip, the in-process pressostat at LED chip work can be stabilized the voltage in a invariable numerical value all the time to make the in-process of LED chip work be in stable state always, effectually prevented to cause the harm to the LED chip because of the voltage instability, thereby prolonged its life.

4. The utility model discloses an up end of support is equipped with the recess, the bottom of lens sets up in the recess, and the junction is provided with solid crystal glue, and when bad weather such as rain, to the inner part of lens and support, the effectual water proof that carries on, and then has prolonged LED's life.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is the utility model relates to an energy-saving LED packaging structure schematic diagram.

In the figure: 1. the LED chip comprises an aluminum substrate, 2 heat dissipation fins, 3 heat conduction columns, 4 packaging substrates, 5 heat conduction plates, 6 supports, 7 lenses, 8 gold wires, 9 die bonding, 10 LED chips, 11 pressostats and 12 reflectors.

It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Detailed Description

In order to make the technical solution and the advantages of the present invention more clear and more obvious, the present invention is further described in detail with reference to the accompanying drawings and the specific embodiments, it should be understood that the specific embodiments described herein are only used for understanding the present invention, and are not used for limiting the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an energy-saving LED package structure includes a support 6, a package substrate 4 and an LED chip 10, and is characterized in that: a circular groove is arranged in the middle of the packaging substrate 4, an LED chip 10 is arranged at the center of the bottom of the circular groove, a die bond 9 is arranged at the lower end of the LED chip 10, the lower end face of the die bond 9 is fixedly connected with the upper end face of the circular groove of the packaging substrate 4, a heat conduction column 3 is arranged inside the die bond 9 and the packaging substrate 4, the upper end of the heat conduction column 3 is connected with the bottom end of the LED chip 10, the lower end of the heat conduction column 3 penetrates through the die bond and the packaging substrate 4 to be fixedly connected with a heat conduction plate 5, the lower end face of the packaging substrate 4 is fixedly connected with the heat conduction plate 5, a heat dissipation fin 2 is arranged at the lower end of the heat conduction plate 5, a barostat 11 is arranged at one side of the die bond 9, a reflecting mirror 12 is arranged on the inclined plane of the circular groove of the packaging substrate 4, a lens 7 is arranged at the upper end of the LED chip 10, the, the bottom end of the lens 7 is fixed in the groove, the lower end of the support 6 surrounds the heat conducting plate 5 and the heat radiating fins 2, and the lower ends of the support 6 and the heat radiating fins 2 are fixed on the aluminum substrate 1.

Further, the upper surface of the LED chip 10 is provided with fluorescent glue.

Furthermore, one end of the outer side of the bracket 6 is fixedly connected with a polar plate.

Further, the heat conducting plate 5 is made of aluminum.

Further, a die bond adhesive is arranged at the joint of the lens 7 and the bracket 6.

Claims

1. The utility model provides an energy-saving LED packaging structure, includes support (6), packaging substrate (4) and LED chip (10), its characterized in that: a circular groove is arranged in the middle of the packaging substrate (4), an LED chip (10) is arranged at the center of the bottom of the circular groove, a die (9) is arranged at the lower end of the LED chip (10), the lower end face of the die (9) is fixedly connected with the upper end face of the circular groove of the packaging substrate (4), heat-conducting columns (3) are arranged inside the die (9) and the packaging substrate (4), the upper ends of the heat-conducting columns (3) are connected with the bottom end of the LED chip (10), the lower ends of the heat-conducting columns (3) penetrate through the die and the packaging substrate (4) and are fixedly connected with the heat-conducting plate (5), the lower end face of the packaging substrate (4) is fixedly connected with the heat-conducting plate (5), heat-radiating fins (2) are arranged at the lower end of the heat-conducting plate (5), a constant-pressure device (11) is arranged on one side of the die (9), a reflecting mirror (12) is arranged on the inclined plane of the circular groove, the LED packaging structure is characterized in that the lens (7) is a resin lens, the support (6) is fixedly arranged at the outer end of the packaging substrate (4), a groove is formed in the upper end face of the support (6), the bottom end of the lens (7) is fixed in the groove, the lower end of the support (6) surrounds the heat conducting plate (5) and the heat radiating fins (2), and the lower ends of the support (6) and the heat radiating fins (2) are fixed on the aluminum substrate (1).

2. The energy-saving LED package structure of claim 1, wherein: fluorescent glue is arranged on the upper surface of the LED chip (10).

3. The energy-saving LED package structure of claim 1, wherein: one end of the outer side of the bracket (6) is fixedly connected with a polar plate.

4. The energy-saving LED package structure of claim 1, wherein: the heat conducting plate (5) is made of aluminum.

5. The energy-saving LED package structure of claim 1, wherein: and a crystal fixing glue is arranged at the joint of the lens (7) and the bracket (6).