CN210607325U

CN210607325U - Inorganic encapsulation cut straightly formula purple light LED

Info

Publication number: CN210607325U
Application number: CN201921809939.7U
Authority: CN
Inventors: 刘其奇
Original assignee: Shenzhen Yingfeng Photoelectric Co Ltd
Current assignee: Shenzhen Yingfeng Photoelectric Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-22
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses an inorganic packaging direct-insert type purple light LED, which comprises a metal ceramic base, a glass cover, a heat dissipation unit and a direct-insert type purple light LED lamp body; a metal ceramic base: an inwards concave groove is formed in the upper surface of the metal ceramic base, and a fluorescent light reflecting film is attached to the surface of the groove; glass cover: the glass cover is connected to the metal ceramic base in a seamless mode, a metal ring is arranged at the connecting position of the glass cover and the metal ceramic base, and the metal ring is embedded into the inner side of the metal ceramic base; direct insertion type purple light LED lamp body: the direct-insertion type purple light LED lamp body is fixedly bonded in the middle of the groove through the high-heat-conductivity electric silver adhesive layer; a heat dissipation unit: the heat dissipation units are distributed on the outer surface of the metal ceramic base, and are packaged with the glass cover through the metal ceramic base instead of an organic packaging mode, so that sealing protection of the deep ultraviolet LED chip is provided, the heat dissipation effect is good, the heat dissipation performance is good, and the service life is long.

Description

Inorganic encapsulation cut straightly formula purple light LED

Technical Field

The utility model relates to a LED technical field specifically is an inorganic encapsulation cut straightly formula purple light LED.

Background

In the prior art, the direct-insert deep ultraviolet LED package mostly adopts organic materials such as epoxy resin and silica gel to seal and protect a chip, the organic materials have excellent transparency and convenient packaging, the light emitting efficiency can be improved, and the direct-insert deep ultraviolet LED package is widely applied to multiple fields, however, for an LED light source, the application of deep ultraviolet is very little so far, and due to the special requirements of deep ultraviolet on the materials, the organic materials such as silica gel are easy to turn yellow after encountering ultraviolet light, therefore, for the LED light source, no matter the deep ultraviolet light source or a common light source, the ultraviolet light emitted by the deep ultraviolet LED package can influence the organic materials of the silica gel lamp, the ultraviolet LED packaged by the organic materials can not meet the requirements, and meanwhile, the heat dissipation performance is poor, so that the service life of the ultraviolet LED package is shortened.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an inorganic encapsulation cut straightly formula purple light LED, encapsulate through cermet base and glass cover and replace organic packaging mode, provide the sealed protection to deep ultraviolet LED chip, its radiating effect is good, and heat dispersion is good, and long service life can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an inorganic packaging direct-insert type purple light LED comprises a metal ceramic base, a glass cover, a heat dissipation unit and a direct-insert type purple light LED lamp body;

a metal ceramic base: an inwards concave groove is formed in the upper surface of the metal ceramic base, and a fluorescent light reflecting film is attached to the surface of the groove;

glass cover: the glass cover is connected to the metal ceramic base in a seamless mode, a metal ring is arranged at the connecting position of the glass cover and the metal ceramic base, and the metal ring is embedded into the inner side of the metal ceramic base;

direct insertion type purple light LED lamp body: the direct-insertion type purple light LED lamp body is fixedly bonded in the middle of the groove through the high-heat-conductivity electric silver adhesive layer;

a heat dissipation unit: the heat dissipation units are distributed on the outer surface of the metal ceramic base.

Furthermore, the metal part of the metal ceramic base is of a red copper structure, the heat dissipation performance of the red copper structure is good, the metal ceramic base ceramic part is of a nano ceramic structure, and the nano ceramic structure can deal with various special environments, so that the direct-insertion type purple light LED lamp body is protected against ageing.

Furthermore, a cavity is formed between the glass cover and the metal ceramic base, and the cavity is filled with air, nitrogen or vacuum, so that the adverse effect of material stress on packaging can be greatly reduced or even completely eliminated.

Furthermore, a silver coating support is arranged on a power supply electrode of the direct-insertion type purple light LED lamp body, and the silver coating support has good heat conduction performance, so that the direct-insertion type purple light LED lamp body can work efficiently.

Further, the radiating unit comprises a heat-conducting silica gel sheet and radiating fins, the heat-conducting silica gel sheet is attached to the outer surface of the metal ceramic base, the radiating fins are evenly distributed on the side face of the heat-conducting silica gel sheet and are of an L-shaped structure, the heat-conducting silica gel sheet is used for reducing thermal contact resistance generated between the surface of the metal ceramic base and the contact face of the radiating fins, the heat-conducting silica gel sheet can well fill the gap of the contact face, the metal ceramic base conducts heat to the heat-conducting silica gel sheet, the heat on the heat-conducting silica gel sheet is transmitted to the outside through the radiating fins, the radiating fins are of an L-shaped structure, the radiating area is convenient to increase, and therefore the radiating of the side face and the bottom of the metal ceramic base is carried out, the radiating effect is good, the radiating.

Compared with the prior art, the beneficial effects of the utility model are that: this inorganic encapsulation cut straightly formula purple light LED has following benefit:

1. the metal ceramic base and the glass cover are packaged to replace an organic packaging mode, so that the deep ultraviolet LED chip is protected in a sealing mode.

2. A cavity is formed between the glass cover and the metal ceramic base, and the cavity is filled with air, nitrogen or vacuum, so that the adverse effect of material stress on packaging can be greatly reduced or even completely eliminated.

3. The heat conduction silica gel piece is used for reducing the thermal contact resistance that produces between cermet base surface and the radiating fin contact surface, the clearance of packing the contact surface that the heat conduction silica gel piece can be fine, the cermet base conducts the heat on the heat conduction silica gel piece, heat on the heat conduction silica gel piece is transmitted to the external world through radiating fin, radiating fin is L type structure, the increase heat radiating area of being convenient for, thereby carry out the heat dissipation of cermet base side and bottom, its radiating effect is good, heat dispersion is good, greatly increased the life who cut straightly formula purple light LED lamp body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the present invention.

In the figure: the LED lamp comprises a metal ceramic base 1, a glass cover 2, a heat dissipation unit 3, a heat conduction silica gel sheet 31, a heat dissipation fin 32, a silver-plated layer support 4, a high-heat-conduction silver-plated layer 5, a direct-insertion type purple light LED lamp body 6, a fluorescent reflective film 7 and a metal ring 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an inorganic packaging direct-insert type purple light LED comprises a metal ceramic base 1, a glass cover 2, a heat dissipation unit 3 and a direct-insert type purple light LED lamp body 6;

cermet base 1: an inward concave groove is formed on the upper surface of the metal ceramic base 1, and a fluorescent light reflecting film 7 is attached to the surface of the groove;

and (3) glass cover 2: the glass cover 2 is connected to the metal ceramic base 1 in a seamless mode, an organic packaging mode is replaced by packaging the metal ceramic base 1 and the glass cover 2, sealing protection of the deep ultraviolet LED chip is provided, a metal ring 8 is arranged at the joint of the glass cover 2 and the metal ceramic base 1, the metal ring 8 is embedded into the inner side of the metal ceramic base 1, and the metal ring 8 is used for transmitting high temperature on the glass cover 2 to the metal ceramic base 1, so that heat dissipation performance is further improved;

direct-insert purple light LED lamp body 6: the direct-insertion purple light LED lamp body 6 is fixedly bonded in the middle of the groove through the high-thermal-conductivity electric silver glue layer 5;

the heat dissipation unit 3: the heat dissipation units 3 are distributed on the outer surface of the cermet base 1.

The metal part of the metal ceramic base 1 is of a red copper structure, the heat dissipation performance of the red copper structure is good, the ceramic part of the metal ceramic base 1 is of a nano ceramic structure, and the nano ceramic structure can deal with various special environments, so that the direct-insertion type purple light LED lamp body 6 is subjected to anti-aging protection.

A cavity is formed between the glass cover 2 and the metal ceramic base 1, and the cavity is filled with air, nitrogen or vacuum, so that the adverse effect of material stress on packaging can be greatly reduced or even completely eliminated.

The silver-plated layer support 4 is arranged on the power supply electrode of the direct-insertion type purple light LED lamp body 6, and the silver-plated layer support 4 has good heat conduction performance, so that the direct-insertion type purple light LED lamp body 6 can work efficiently.

The heat dissipation unit 3 comprises a heat conduction silica gel sheet 31 and heat dissipation fins 32, the heat conduction silica gel sheet 31 is attached to the outer surface of the metal ceramic base 1, the heat dissipation fins 32 are evenly distributed on the side surface of the heat conduction silica gel sheet 31, the heat dissipation fins 32 are of an L-shaped structure, the heat conduction silica gel sheet 31 is used for reducing thermal contact resistance generated between the contact surface of the metal ceramic base 1 and the contact surface of the heat dissipation fins 32, the heat conduction silica gel sheet 31 can well fill the gaps of the contact surfaces, the metal ceramic base 1 conducts heat to the heat conduction silica gel sheet 31, the heat on the heat conduction silica gel sheet 31 is transmitted to the outside through the heat dissipation fins 32, the heat dissipation fins 32 are of the L-shaped structure, the heat dissipation area is convenient to increase, heat dissipation is further performed on the side surface and the bottom of the metal ceramic base 1, the heat.

When in use: the metal ceramic base 1 and the glass cover 2 are packaged to replace an organic packaging mode, so that the deep ultraviolet LED chip is protected in a sealing mode.

The metal ring 8 is used to transfer the high temperature on the glass cover 2 to the metal ceramic base 1, thereby further improving the heat dissipation performance.

The fluorescent reflection film 7 reflects light generated by the direct-insert type purple light LED lamp body 6, so that the illumination capability of the direct-insert type purple light LED lamp body 6 is improved.

The silver coating layer bracket 4 has good heat conductivity, thereby ensuring that the direct-insertion type purple light LED lamp body 6 can work efficiently.

Heat conduction silica gel piece 31 is used for reducing the thermal contact resistance that produces between 1 surface of cermet base and the radiating fin 32 contact surface, the clearance of the packing contact surface that heat conduction silica gel piece 31 can be fine, cermet base 1 is on heat conduction silica gel piece 31 with heat conduction, the heat on the heat conduction silica gel piece 31 passes through radiating fin 32 and transmits the external world, radiating fin 32 is L type structure, be convenient for increase heat radiating area, thereby carry out the heat dissipation of 1 side of cermet base and bottom.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An inorganic encapsulation cut straightly formula purple light LED which characterized in that: comprises a metal ceramic base (1), a glass cover (2), a heat dissipation unit (3) and a direct insertion type purple light LED lamp body (6);

cermet base (1): an inwards concave groove is formed on the upper surface of the metal ceramic base (1), and a fluorescent light reflecting film (7) is attached to the surface of the groove;

glass cover (2): the glass cover (2) is connected to the metal ceramic base (1) in a seamless mode, a metal ring (8) is arranged at the connecting position of the glass cover (2) and the metal ceramic base (1), and the metal ring (8) is embedded into the inner side of the metal ceramic base (1);

direct-insert type purple light LED lamp body (6): the direct-insert purple light LED lamp body (6) is fixedly bonded in the middle of the groove through the high-heat-conductivity electric silver adhesive layer (5);

heat dissipation unit (3): the heat dissipation units (3) are distributed on the outer surface of the metal ceramic base (1).

2. The inorganic packaging direct-insert type purple light LED according to claim 1, wherein: the metal part of the metal ceramic base (1) is of a red copper structure, and the ceramic part of the metal ceramic base (1) is of a nano ceramic structure.

3. The inorganic packaging direct-insert type purple light LED according to claim 1, wherein: a cavity is formed between the glass cover (2) and the metal ceramic base (1), and the cavity is filled with air, nitrogen or vacuum.

4. The inorganic packaging direct-insert type purple light LED according to claim 1, wherein: and a silver-plated layer support (4) is arranged on a power supply electrode of the direct-insertion type purple light LED lamp body (6).

5. The inorganic packaging direct-insert type purple light LED according to claim 1, wherein: radiating unit (3) are including heat conduction silica gel piece (31) and radiating fin (32), and heat conduction silica gel piece (31) laminating is on the surface of cermet base (1), radiating fin (32) evenly distributed is in the side of heat conduction silica gel piece (31), and radiating fin (32) are L type structure.