CN216161762U - LED lens structure, LED packaging structure and LED packaging equipment - Google Patents
LED lens structure, LED packaging structure and LED packaging equipment Download PDFInfo
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- CN216161762U CN216161762U CN202122199000.7U CN202122199000U CN216161762U CN 216161762 U CN216161762 U CN 216161762U CN 202122199000 U CN202122199000 U CN 202122199000U CN 216161762 U CN216161762 U CN 216161762U
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Abstract
The utility model provides an LED lens structure, an LED packaging structure and LED packaging equipment, wherein the LED lens structure comprises: the lens body is provided with a fixing surface for butting with the LED bracket; the metal structure is arranged at the edge of the fixing surface and is used for being connected with the metal part of the LED bracket; the LED packaging structure comprises an LED bracket, an LED chip and the LED lens structure, wherein the LED chip is arranged on the LED bracket, and the LED lens structure is covered on the LED chip; the LED bracket is a metal piece or is provided with a metal piece, and the metal structure is connected with the metal piece; the LED packaging equipment is used for producing the LED lens structure; through adopting above-mentioned technical scheme, the stationary plane of lens body is equipped with metal structure, and this metal structure is used for being connected with the metal part of LED support for both easily connect, and both firm in connection degree is high simultaneously, is difficult for receiving the light that the LED chip during operation sent, and heat energy influences, has prolonged life.
Description
Technical Field
The utility model relates to the technical field of LED packaging, in particular to an LED lens structure, an LED packaging structure and LED packaging equipment.
Background
Because of its characteristics of long life, energy saving, environmental protection, etc., Light Emitting Diodes (LEDs) are now gradually replacing traditional lamps and being widely used in the fields of traffic, advertisement, landscape, illumination, etc.
The conventional LED structure is generally characterized in that one or more LED chips are arranged on a support, an electrode on the support is electrically connected in a routing mode, and the LED chips are packaged by silica gel, so that the safety and the service life of the LED chips are prevented from being influenced by external water vapor or dust. The silica gel is adopted for packaging, usually, molten liquid silica gel is directly covered on an LED chip through a dispenser and the like, and a solid packaging body is formed on the LED chip after cooling and hardening, however, because a support is usually made of metal or ceramic material, the combination between the packaging body made of silica gel and the support is not very tight, and the air tightness between the packaging body and the support is not high; in addition, when the LED chip is used, light and heat generated by the LED chip, especially ultraviolet light generated by the ultraviolet LED chip, can cause the aging of the silica gel, and influence the service life of the whole LED chip.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an LED lens structure, an LED packaging structure and LED packaging equipment, and aims to solve the technical problems that in the prior art, the LED packaging structure is low in air tightness and short in service life.
In order to achieve the above object, the present invention adopts a technical solution that is an LED lens structure, including:
the lens body is provided with a fixing surface for butting with the LED bracket;
and the metal structure is arranged at the edge of the fixing surface and is used for being connected with the metal part of the LED bracket.
Through adopting above-mentioned technical scheme, the stationary plane of lens body is equipped with metal structure, and this metal structure is used for being connected with the metal part of LED support, because can be connected through multiple mode between two homogeneous materials, for example ultrasonic welding, spray-welding or laser welding for both easily connect, and both firm in connection degree is high simultaneously, is difficult for receiving the light that the LED chip during operation sent, and heat energy influences, has prolonged life.
In one embodiment, the metal structure is continuously arranged along the edge of the fixing surface and is connected with the LED bracket in a sealing mode.
By adopting the technical scheme, the fixing surface, the metal structure and the LED support are enclosed to form the sealing cavity for accommodating the LED chip, the metal structure is continuously arranged in a gap between the fixing surface and the support, the hole communicated with the outside is avoided between the fixing surface and the support, and the air tightness of the sealing cavity is improved.
In one embodiment, the fixing surface is circular in shape, and the metal structures are continuously arranged along the circumference direction of the fixing surface.
By adopting the technical scheme, the lens body enlarges the light emergent angle of the LED chip, and meanwhile, the metal structure ensures the air tightness of the sealed cavity.
In one embodiment, the metal structure is a silk-screen layer.
Through adopting above-mentioned technical scheme to on the mode of silk screen printing is fixed in the stationary plane with metal structure, improved metal structure's adhesive force, make metal structure can fix more firmly on the stationary plane, the mode of silk screen printing is also easy to carry out simultaneously, and its machining efficiency is high, can carry out the silk screen printing to a plurality of lens bodies simultaneously.
In one embodiment, the metal structure is a metal paste layer.
Through adopting above-mentioned technical scheme, the metal thick liquid layer includes metal thick liquid and adhesive, and in this embodiment, the metal thick liquid is the silver thick liquid, and easy silk screen printing processing.
The embodiment also provides an LED package structure, which includes an LED support, an LED chip and the LED lens structure, where the LED chip is disposed on the LED support, and the LED lens structure is covered on the LED chip; the LED support is a metal piece, and the metal structure is connected with the support; or a metal piece is arranged on the LED bracket, and the metal structure is connected with the metal piece.
Through adopting above-mentioned technical scheme, the stationary plane of lens body is equipped with metallic structure, and this metallic structure be used for with being connected of LED support, because the LED support is the metalwork or is equipped with the metalwork, can connect through multiple mode between two homogeneous materials, for example ultrasonic welding, spray-welding or laser welding for both easily connect, simultaneously firm in connection degree between them is high, is difficult for receiving the light that the LED chip during operation sent, and heat energy influences, has prolonged life.
The embodiment also provides LED packaging equipment for producing the LED lens structure, the LED packaging equipment comprises a prefabricated loading mold and an elastic fixing plate, the prefabricated loading mold comprises a mold body and a top plate, the mold body is provided with a plurality of guide holes for fixing the lens body, the elastic fixing plate is provided with a positioning hole for fixing the lens body, and the top plate is used for pushing the lens body into the positioning hole from the guide holes so that the fixing surface of the lens body is exposed out of the positioning hole.
By adopting the technical scheme, the prefabricated loading mould transfers the plurality of lens bodies to the elastic fixing plate, and the fixing surfaces of the plurality of lens bodies are exposed out of the positioning holes, so that the next step of silk-screen operation is facilitated.
In one embodiment, the top surface of the top plate is a flat surface, so that the fixing surface is flush with the surface of the elastic fixing plate or parallel to the surface of the elastic fixing plate.
By adopting the technical scheme, the fixing surface of the lens body is exposed out of the positioning hole and is parallel to or parallel to the surface of the elastic fixing plate, so that the next step of silk-screen operation is facilitated.
In one embodiment, the lens body is in clearance fit with the guide hole, and the lens body is in interference fit with the positioning hole.
Through adopting above-mentioned technical scheme, the radius of guiding hole slightly is greater than the radius of lens body, does benefit to the roof ejecting with the lens body, and the radius of locating hole slightly is less than the radius of lens body, and the elasticity fixed plate has elasticity simultaneously, does benefit to and fixes the lens body, is convenient for the silk screen printing operation on next step.
In one embodiment, the device further comprises a silk-screen device for silk-screening the metal structure on the fixing surface exposed out of the positioning hole.
Through adopting above-mentioned technical scheme to on the mode of silk screen printing is fixed in the stationary plane with metal structure, improved metal structure's adhesive force, make metal structure can fix more firmly on the stationary plane, the mode of silk screen printing is also easy to carry out simultaneously, and its machining efficiency is high, can carry out the silk screen printing to a plurality of lens bodies simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an LED lens structure provided in an embodiment of the present invention;
FIG. 2 is a perspective view of an LED lens structure provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an LED package structure according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a pre-loaded mold holding lens body according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a lens body held by a pre-mold loader provided by an embodiment of the present invention;
fig. 6 is a cross-sectional view of an LED packaging apparatus provided by an embodiment of the present invention;
fig. 7 is a sectional view of an elastic fixing plate provided in an embodiment of the present invention;
FIG. 8 is a top view of an elastic fixing plate according to an embodiment of the present invention after fixing a lens body;
fig. 9 is a top view of the elastic fixing plate after silk-screen printing according to the embodiment of the present invention.
The figures are numbered:
100-an LED lens structure; 200-an LED packaging device;
1-a lens body; 2-a metal structure; 3-an LED support; 4-LED chip; 5, prefabricating a loading mould; 6-elastic fixing plate;
10-a fixed surface; 51-a mold body; 52-a top plate; 53-guide holes; 61-positioning holes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings, which are used for convenience in describing the utility model, and are not intended to indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The following describes a specific implementation of the present invention in more detail with reference to specific embodiments:
as shown in fig. 1 to fig. 3, an LED lens structure 100 according to an embodiment of the present invention includes: a lens body 1 and a metal structure 2; the lens body 1 is provided with a fixing surface 10 for butting with the LED bracket 3; the metal structure 2 is provided at the edge of the fixing surface 10 for connecting with the metal portion of the LED support 3.
The operating principle of the LED lens structure 100 of the present embodiment is as follows:
the lens body 1 is used for being connected with the LED support 3, the lens body 1 is provided with a fixing surface 10, the fixing surface 10 is in butt joint with the LED support 3, the fixing surface 10 and the LED support 3 enclose a cavity for arranging the LED chip 4, and the cavity needs to enable the LED chip 4 to isolate external air and moisture; most of the lens body 1 is made of silica gel, most of the LED bracket 3 is made of metal, and if the two are directly connected, the firmness is insufficient, so that a gap is generated at the joint of the two, and the air tightness of a cavity for accommodating the LED chip 4 is poor; and the edge of the fixing surface 10 of the lens body 1 of the embodiment is provided with the metal structure 2, and the metal structure 2 is used for being connected with the metal part of the LED bracket 3.
Through adopting above-mentioned technical scheme, the stationary plane 10 of lens body 1 is equipped with metal structure 2, and this metal structure 2 is used for being connected with the metal part of LED support 3, because can be connected through multiple mode between two homogeneous materials, for example ultrasonic welding, spray-welding or laser welding for both easily connect, simultaneously both connect the firmness height, be difficult for receiving the light that LED chip 4 during operation sent, heat energy influences, has prolonged life.
In one embodiment, the metal structure 2 is continuously disposed along the edge of the fixing surface 10, and is hermetically connected with the LED support 3.
Through adopting above-mentioned technical scheme, stationary plane 10, metallic structure 2 and LED support 3 enclose to close and form the seal chamber who is used for acceping LED chip 4, and metallic structure 2 sets up in the gap between stationary plane 10 and the support in succession, avoids producing the outside hole of intercommunication between stationary plane 10 and the support, has improved seal chamber gas tightness.
In one embodiment, the fixing surface 10 is circular in shape, and the metal structures 2 are continuously arranged in a circumferential direction of the fixing surface 10.
Specifically, the shape of the lens body 1 may be selected to be hemispherical or spheroid, and the shape of the fixing surface 10 is circular.
Through adopting above-mentioned technical scheme, lens body 1 has enlarged the light outgoing angle of LED chip 4, and metal structure 2 has guaranteed seal chamber's gas tightness simultaneously.
In one embodiment, the metal structure 2 is a silk-screen layer.
Specifically, the metal structure 2 may be fixed on the fixing surface 10 of the lens body 1 by a silk-screen printing method.
Through adopting above-mentioned technical scheme, on being fixed in stationary plane 10 with metal structure 2 in the mode of silk screen printing, improved metal structure 2's adhesive force for metal structure 2 can fix more firmly on stationary plane 10, and the mode of silk screen printing is also implemented easily simultaneously, and its machining efficiency is high, can carry out the silk screen printing to a plurality of lens bodies 1 simultaneously.
In one embodiment, the metal structure 2 is a metal paste layer.
Specifically, the metal paste layer is glass silver paste.
Through adopting above-mentioned technical scheme, the metal thick liquid layer includes metal thick liquid and adhesive, and in this embodiment, the metal thick liquid is the silver thick liquid, and easy silk screen printing processing.
The embodiment also provides an LED package structure, which includes an LED support 3, an LED chip 4 and the LED lens structure 100, wherein the LED chip 4 is disposed on the LED support 3, and the LED lens structure 100 is covered on the LED chip 4; the LED bracket 3 is a metal piece, and the metal structure 2 is connected with the bracket; or a metal piece is arranged on the LED bracket 3, and the metal structure 2 is connected with the metal piece.
Through adopting above-mentioned technical scheme, the stationary plane 10 of lens body 1 is equipped with metallic structure 2, and this metallic structure 2 be used for with LED support 3 be connected, because LED support 3 is the metalwork or is equipped with the metalwork, can connect through multiple mode between two homogeneous materials, for example ultrasonic welding, spray-welding or laser welding, make both easily connect, simultaneously both the firm in connection degree is high, be difficult for receiving the light that LED chip 4 during operation sent, heat energy influences, has prolonged life.
As shown in fig. 4 to 6, the present embodiment further provides an LED packaging apparatus 200 for producing the LED lens structure 100, the LED packaging apparatus 200 includes a pre-loading mold 5 and an elastic fixing plate 6, the pre-loading mold 5 includes a mold body 51 and a top plate 52, the mold body 51 is provided with a plurality of guiding holes 53 for fixing the lens body 1, the elastic fixing plate 6 is provided with positioning holes 61 for fixing the lens body 1, and the top plate 52 is used for pushing the lens body 1 into the positioning holes 61 from the guiding holes 53, so that the fixing surface 10 of the lens body 1 is exposed to the positioning holes 61.
Referring to fig. 7, specifically, the elastic fixing plate 6 is connected to the pre-mold 5, the positioning holes 61 are in one-to-one correspondence with the guiding holes 53, the lens body 1 is first placed into the guiding hole 53 of the mold body 51, the fixing surface 10 of the lens body 1 is disposed away from the elastic fixing plate 6, the lens body 1 is then pushed into the positioning hole 61 from the guiding hole 53 through the top plate 52, the fixing surface 10 of the lens body 1 is exposed out of the positioning hole 61, and finally the pre-mold 5 is separated from the elastic fixing plate 6, and the lens body 1 is fixed on the elastic fixing plate 6.
By adopting the technical scheme, the prefabricated loading mould 5 transfers the plurality of lens bodies 1 to the elastic fixing plate 6, and the fixing surfaces 10 of the plurality of lens bodies 1 are exposed out of the positioning holes 61, so that the next step of silk-screen operation is facilitated.
In one embodiment, the top surface of the top plate 52 is a flat surface, such that the fixing surface 10 is flush with the surface of the elastic fixing plate 6 or the fixing surface 10 is parallel to the surface of the elastic fixing plate 6.
Specifically, the top plate 52 pushes up the lens body 1 from the bottom of the guide hole 53, wherein the top surface of the top plate 52 contacts the fixing surface 10 of the lens body 1, and the top surface of the top plate 52 is parallel to the surface of the elastic fixing plate 6, so that when the top plate 52 pushes the lens body 1 into the positioning hole 61 from the guide hole 53, the fixing surface 10 of the lens body 1 is flush with or parallel to the surface of the elastic fixing plate 6.
By adopting the technical scheme, the fixing surface 10 of the lens body 1 is exposed out of the positioning hole 61 and is flush with or parallel to the surface of the elastic fixing plate 6, so that the next silk-screen operation is facilitated.
In one embodiment, the lens body 1 is in clearance fit with the guiding hole 53, and the lens body 1 is in interference fit with the positioning hole 61.
Through adopting above-mentioned technical scheme, the radius of guiding hole 53 slightly is greater than the radius of lens body 1, does benefit to roof 52 ejecting with lens body 1, and the radius of locating hole 61 slightly is less than the radius of lens body 1, and elastic fixation plate 6 has elasticity simultaneously, does benefit to and fixes lens body 1, is convenient for the silk screen printing operation on next step.
As shown in fig. 8 and 9, in one embodiment, the device further includes a screen printing device for screen printing the metal structure 2 on the fixing surface 10 exposed out of the positioning hole 61.
Through adopting above-mentioned technical scheme, on being fixed in stationary plane 10 with metal structure 2 in the mode of silk screen printing, improved metal structure 2's adhesive force for metal structure 2 can fix more firmly on stationary plane 10, and the mode of silk screen printing is also implemented easily simultaneously, and its machining efficiency is high, can carry out the silk screen printing to a plurality of lens bodies 1 simultaneously.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. An LED lens structure, comprising:
the lens body is provided with a fixing surface for butting with the LED bracket;
and the metal structure is arranged at the edge of the fixing surface and is used for being connected with the metal part of the LED bracket.
2. The LED lens structure of claim 1, wherein the metal structure is continuously disposed along an edge of the mounting surface and is hermetically connected to the LED mount.
3. The LED lens structure of claim 2, wherein the fixing surface has a circular shape, and the metal structures are continuously arranged along a circumferential direction of the fixing surface.
4. The LED lens structure of claim 1, wherein the metal structure is a silk-screened layer.
5. The LED lens structure of claim 1, wherein the metal structure is a metal paste layer.
6. An LED packaging structure, which is characterized by comprising an LED bracket, an LED chip and the LED lens structure of any one of claims 1 to 5, wherein the LED chip is arranged on the LED bracket, and the LED lens structure is covered on the LED chip; the LED support is a metal piece, and the metal structure is connected with the LED support; or a metal piece is arranged on the LED bracket, and the metal structure is connected with the metal piece.
7. An LED packaging apparatus for producing the LED lens structure of any one of claims 1 to 5, the LED packaging apparatus comprising a pre-loading mold and an elastic fixing plate, the pre-loading mold comprising a mold body and a top plate, the mold body being provided with a plurality of guide holes for fixing the lens body, the elastic fixing plate being provided with positioning holes for fixing the lens body, the top plate being used for pushing the lens body into the positioning holes from the guide holes so that the fixing surfaces of the lens body are exposed to the positioning holes.
8. The LED packaging apparatus of claim 7, wherein the top surface of the top plate is a flat surface, such that the fixing surface is flush with or parallel to the surface of the elastic fixing plate.
9. The LED packaging apparatus of claim 7, wherein the lens body is clearance fit with the guide hole and the lens body is interference fit with the positioning hole.
10. The LED packaging apparatus of any one of claims 7 to 9, further comprising a silk-screen device for silk-screening the metal structure on the fixing surface exposed to the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122199000.7U CN216161762U (en) | 2021-09-10 | 2021-09-10 | LED lens structure, LED packaging structure and LED packaging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122199000.7U CN216161762U (en) | 2021-09-10 | 2021-09-10 | LED lens structure, LED packaging structure and LED packaging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161762U true CN216161762U (en) | 2022-04-01 |
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ID=80848646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122199000.7U Active CN216161762U (en) | 2021-09-10 | 2021-09-10 | LED lens structure, LED packaging structure and LED packaging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161762U (en) |
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2021
- 2021-09-10 CN CN202122199000.7U patent/CN216161762U/en active Active
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