CN214753821U - Electrode for light-emitting diode - Google Patents
Electrode for light-emitting diode Download PDFInfo
- Publication number
- CN214753821U CN214753821U CN202120761079.5U CN202120761079U CN214753821U CN 214753821 U CN214753821 U CN 214753821U CN 202120761079 U CN202120761079 U CN 202120761079U CN 214753821 U CN214753821 U CN 214753821U
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- China
- Prior art keywords
- electrode
- negative electrode
- emitting diode
- groove
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004593 Epoxy Substances 0.000 claims abstract description 15
- 229920006335 epoxy glue Polymers 0.000 claims abstract description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 4
- 239000003822 epoxy resin Substances 0.000 description 15
- 229920000647 polyepoxide Polymers 0.000 description 15
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model provides an electrode for light emitting diode, include: epoxy lens, negative electrode and positive electrode, the lower extreme of epoxy lens is provided with the base, and the lower extreme of base is connected with negative pole pin and positive pole pin, the negative electrode is fixed in epoxy lens's inside, and the upper end of negative electrode has seted up the mounting groove, the inside of mounting groove is fixed with the reflection cap, and the inside of reflection cap is fixed with the LED chip, the right-hand member of negative electrode is provided with the insulating rod, and the lower extreme of insulating rod is provided with the supporting seat, the reflection cap passes through silver-colored glue to be fixed in the inside of mounting groove, and the reflection cap upper end surpasss the up end of negative electrode. The utility model provides a current emitting diode's electrode and pin through being overall structure, the pin of outer hourglass is bent the rupture easily, influences the result of use, and inside electrode structure singleness, and stability is relatively poor, long-term the use, and the inside epoxy glue of lens receives the influence of temperature, the easy not hard up problem of electrode.
Description
Technical Field
The utility model relates to a light emitting diode technical field, concretely relates to electrode for light emitting diode.
Background
The light emitting diode is a common light emitting device, releases energy through the recombination of electrons and holes to emit light, has wide application in the field of illumination, can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like.
However, the electrode and the pin of the existing light emitting diode are of an integral structure, the pin which leaks is easy to bend and break, the using effect is affected, the structure of the internal electrode is single, the stability is poor, long-term use is realized, the epoxy resin glue in the lens is affected by temperature, and the electrode is easy to loosen.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the electrode for the light-emitting diode is provided so as to solve the problems that the electrode and the pins of the existing light-emitting diode are of an integral structure, the pins which leak are easy to bend and break, the using effect is influenced, the structure of the internal electrode is single, the stability is poor, the epoxy resin adhesive in the lens is influenced by the temperature after long-term use, and the electrode is easy to loosen.
To achieve the above object, there is provided an electrode for a light emitting diode, comprising:
the LED lamp comprises an epoxy resin lens, a negative electrode and a positive electrode, wherein the lower end of the epoxy resin lens is provided with a base, the lower end of the base is connected with a negative electrode pin and a positive electrode pin, the negative electrode is fixed in the epoxy resin lens, an installation groove is formed in the upper end of the negative electrode, a reflection cap is fixed in the installation groove, an LED chip is fixed in the reflection cap, an insulation rod is arranged at the right end of the negative electrode, and a supporting seat is arranged at the lower end of the insulation rod.
Furthermore, the reflection cap is fixed in the mounting groove through silver colloid, and the upper end of the reflection cap exceeds the upper end face of the negative electrode.
Furthermore, the inside of the epoxy resin lens is filled with epoxy resin glue, and the LED chip is fixed through the epoxy resin glue, and the bottom of the LED chip is electrically connected with the negative electrode, and the upper end of the LED chip is electrically connected with the positive electrode through a wire.
Further, the outer side of the negative electrode is provided with a first bump, the inner side of the negative electrode is provided with a first groove, and the lower end of the first groove is provided with a first step.
Furthermore, a first connecting groove is formed in the lower end of the negative electrode, first supporting slope surfaces are arranged on two sides of the first connecting groove, and the upper end of the negative electrode pin is mounted inside the first connecting groove.
Further, the outer side of the positive electrode is provided with a second bump, the inner side of the positive electrode is provided with an inclined bump, and the lower end of the inclined bump is provided with a second groove.
Furthermore, the lower extreme of second recess is provided with the second step, and the outside of second step is provided with the second spread groove to the both sides of second spread groove are provided with the second and support domatic.
The beneficial effects of the utility model reside in that, the utility model discloses an electrode for light emitting diode utilizes negative electrode and positive electrode exterior structure for increased with the area of contact of the inside epoxy glue of epoxy lens, and the supporting seat is connected with the inside of two electrodes, has improved electrode structure's stability, the spread groove of seting up through negative electrode and positive electrode, make the connection of pin have certain cushioning nature, reduce the probability of the rupture of bending.
Drawings
Fig. 1 is a schematic view of an internal structure of a light emitting diode according to an embodiment of the present invention.
Fig. 2 is a schematic view of a negative electrode slope structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a positive electrode slope structure according to an embodiment of the present invention.
In the figure: 1. an epoxy lens; 2. a wire; 3. a reflective cap; 4. an LED chip; 5. a negative electrode; 51. mounting grooves; 52. a first bump; 53. a first groove; 54. a first step; 55. a first support ramp surface; 56. a first connecting groove; 6. a positive electrode; 61. a second bump; 62. an oblique projection; 63. a second groove; 64. a second step; 65. a second support ramp; 66. a second connecting groove; 7. an insulating rod; 8. a base; 9. a supporting seat; 10. a negative electrode pin; 11. and a positive electrode pin.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is a schematic view of an internal structure of a light emitting diode according to an embodiment of the present invention, fig. 2 is a schematic view of a slope structure of a negative electrode according to an embodiment of the present invention, and fig. 3 is a schematic view of a slope structure of a positive electrode according to an embodiment of the present invention.
Referring to fig. 1 to 3, the present invention provides an electrode for a light emitting diode, including: an epoxy lens 1, a negative electrode 5, and a positive electrode 6.
Specifically, epoxy lens 1, negative electrode 5 and positive electrode 6, the lower extreme of epoxy lens 1 is provided with base 8, and the lower extreme of base 8 is connected with negative pole pin 10 and positive pole pin 11, negative electrode 5 is fixed in epoxy lens 1's inside, and mounting groove 51 has been seted up to the upper end of negative electrode 5, the inside of mounting groove 51 is fixed with reflection cap 3, and the inside of reflection cap 3 is fixed with LED chip 4, the right-hand member of negative electrode 5 is provided with insulator 7, and the lower extreme of insulator 7 is provided with supporting seat 9.
In this embodiment, through holes corresponding to the first connection groove 56 and the second connection groove 66 are formed in the base 8, and a contact gap between the negative pin 10 and the positive pin 11 and a wall of the through hole is filled with silicon rubber to buffer the pins well; the upper ends of the negative electrode pin 10 and the positive electrode pin 11 are provided with tapered ends, the tapered ends are matched with the shapes of the first connecting groove 56 and the second connecting groove 66, and a gap between the tapered ends and the connecting grooves is filled with conductive adhesive, so that good conductive performance between the pins and the electrodes is achieved; the first groove 53 and the second groove 63 facilitate the staggered installation of the silica gel insulating rod 7, and the insulating rod 7 prevents the epoxy resin adhesive between the negative electrode 5 and the positive electrode 6 from being deformed by heat, so that the volume is reduced, and the contact between the negative electrode 5 and the positive electrode 6 causes electrode short circuit.
In the present embodiment, the reflection cap 3 is fixed inside the mounting groove 51 by silver paste, and the upper end of the reflection cap 3 exceeds the upper end surface of the negative electrode 5.
As a better implementation mode, the upper end of the negative electrode 5 is provided with a wedge-shaped bracket, the bottom of the reflection cap 3 is provided with a through hole, so that the chip is conveniently connected with the negative electrode 5, and the reflection cap 3 plays a role of reflecting a light source to enhance the radiation area of the light source.
In this embodiment, the epoxy resin glue is filled in the epoxy resin lens 1, the LED chip 4 is fixed by the epoxy resin glue, the bottom of the LED chip 4 is electrically connected to the negative electrode 5, and the upper end of the LED chip 4 is electrically connected to the positive electrode 6 through the wire 2.
In a preferred embodiment, the wire 2 is a gold wire connection wire, and the wire 2 is connected to the upper end of the positive electrode 6 by solder sintering, so that the led chip 4 forms a power-on loop.
In the present embodiment, the outer side of the negative electrode 5 is provided with a first projection 52, and the inner side of the negative electrode 5 is provided with a first groove 53, and the lower end of the first groove 53 is provided with a first step 54; the outside of the positive electrode 6 is provided with a second projection 61, and the inside of the positive electrode 6 is provided with an inclined projection 62, and the lower end of the inclined projection 62 is provided with a second groove 63.
As a preferred embodiment, the first bump 52 and the second bump 61 are rectangular blocks, and a rectangular groove is formed between the rectangular blocks, so that the epoxy resin adhesive can penetrate into the rectangular groove conveniently, and the connection stability of the electrode is increased; the first groove 53 and the second groove 63 form a stable placing space for the insulating rod 7; a filling gap is formed between the inclined convex block 62 and the inner inclined end surface of the negative electrode 5, so that more epoxy resin glue can be filled conveniently.
In this embodiment, the lower end of the negative electrode 5 is provided with a first connecting groove 56, and two sides of the first connecting groove 56 are provided with first support slopes 55, and the upper end of the negative electrode pin 10 is installed inside the first connecting groove 56; the lower end of the second groove 63 is provided with a second step 64, and the outer side of the second step 64 is provided with a second connecting groove 66, and both sides of the second connecting groove 66 are provided with second support slopes 65.
As a preferred embodiment, the first support slope 55 and the second support slope 65 form a stable support for the upper end, the first step 54 and the second step 64 are respectively connected with two ends of the support base 9 in a supporting manner, and the connection gap between the lower end of the support base 9 and the base 8 is coated with epoxy resin glue for insulation, and silicone rubber is filled outside the lower ends of the negative electrode pin 10 and the positive electrode pin 11 connected with the electrodes for protecting the pins by using the buffering property of the silicone rubber.
The utility model discloses an electrode for emitting diode can effectively solve current emitting diode's electrode and pin through being overall structure, the easy rupture of bending of pin that leaks, influence the result of use, and the internal electrode single structure, stability is relatively poor, long-term use, the inside epoxy glue of lens receives the influence of temperature, the easy not hard up problem of electrode, utilize negative electrode 5 and 6 exterior structure of positive electrode, make increased with the contact area who glues of the inside epoxy of epoxy lens 1, and supporting seat 9 and the inside connection of two electrodes, electrode structure's stability has been improved, the spread groove of seting up through negative electrode 5 and positive electrode 6, make the connection of pin have certain buffering nature, reduce the probability of the rupture of bending.
Claims (7)
1. An electrode for a light emitting diode, comprising: epoxy lens (1), negative electrode (5) and positive electrode (6), the lower extreme of epoxy lens (1) is provided with base (8), and the lower extreme of base (8) is connected with negative pole pin (10) and positive pole pin (11), negative electrode (5) are fixed in the inside of epoxy lens (1), and the upper end of negative electrode (5) has seted up mounting groove (51), the inside of mounting groove (51) is fixed with reflection cap (3), and the inside of reflection cap (3) is fixed with LED chip (4), the right-hand member of negative electrode (5) is provided with insulating rod (7), and the lower extreme of insulating rod (7) is provided with supporting seat (9).
2. An electrode for a light emitting diode according to claim 1, wherein said reflection cap (3) is fixed inside the mounting groove (51) by silver paste, and the upper end of the reflection cap (3) is beyond the upper end face of the negative electrode (5).
3. The electrode for the light-emitting diode according to claim 1, wherein the interior of the epoxy lens (1) is filled with epoxy glue, the LED chip (4) is fixed by the epoxy glue, the bottom of the LED chip (4) is electrically connected with the negative electrode (5), and the upper end of the LED chip (4) is electrically connected with the positive electrode (6) by the lead (2).
4. An electrode for a light-emitting diode according to claim 1, characterized in that the outside of the negative electrode (5) is provided with a first bump (52), and the inside of the negative electrode (5) is provided with a first groove (53), and the lower end of the first groove (53) is provided with a first step (54).
5. The electrode for the light emitting diode according to claim 1, wherein the lower end of the negative electrode (5) is opened with a first connection groove (56), and both sides of the first connection groove (56) are provided with first support slopes (55), and the upper end of the negative electrode pin (10) is installed inside the first connection groove (56).
6. An electrode for a light-emitting diode according to claim 3, characterized in that the outside of the positive electrode (6) is provided with a second projection (61), and the inside of the positive electrode (6) is provided with a slanted projection (62), and the lower end of the slanted projection (62) is provided with a second groove (63).
7. An electrode for a light emitting diode according to claim 6, wherein the lower end of the second groove (63) is provided with a second step (64), and the outer side of the second step (64) is provided with a second connection groove (66), and both sides of the second connection groove (66) are provided with second support slopes (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120761079.5U CN214753821U (en) | 2021-04-14 | 2021-04-14 | Electrode for light-emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120761079.5U CN214753821U (en) | 2021-04-14 | 2021-04-14 | Electrode for light-emitting diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214753821U true CN214753821U (en) | 2021-11-16 |
Family
ID=78603097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120761079.5U Expired - Fee Related CN214753821U (en) | 2021-04-14 | 2021-04-14 | Electrode for light-emitting diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214753821U (en) |
-
2021
- 2021-04-14 CN CN202120761079.5U patent/CN214753821U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |