CN201975423U - Light-emitting diode (LED) sealed with surface roughened silica gel - Google Patents
Light-emitting diode (LED) sealed with surface roughened silica gel Download PDFInfo
- Publication number
- CN201975423U CN201975423U CN2011200254137U CN201120025413U CN201975423U CN 201975423 U CN201975423 U CN 201975423U CN 2011200254137 U CN2011200254137 U CN 2011200254137U CN 201120025413 U CN201120025413 U CN 201120025413U CN 201975423 U CN201975423 U CN 201975423U
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- led
- silica gel
- cylinder
- concave space
- aluminium base
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Abstract
The utility model relates to a light-emitting diode (LED) sealed with surface roughened silica gel, which is used for increasing the light extraction rate by roughening a silica gel layer sealed on the surface of an LED luminous chip. The LED comprises an aluminum substrate, a silica gel body and a metal reflective blocking rubber ring, wherein the middle part of the aluminum substrate is provided with a cylindrical inwardly-concave space; the metal reflective blocking rubber ring is fixedly connected in the cylindrical inwardly-concave space, and is an annular cylinder; the outer surface of the annular cylinder is embedded in the cylindrical inwardly-concave space; a plurality of LED luminous chips are distributed in a space defined by the inner surface of the annular cylinder; the transparent silica gel body is packaged on LED luminous chips; a plurality of irregular conical holes are distributed on the surface of the silica gel body; an anode circuit pin and a cathode circuit pin opposite to each other are fixedly connected to the surface of the aluminum substrate; and the anode circuit pin and the cathode circuit pin are electrically connected with the LED luminous chips.
Description
Technical field
The utility model relates to a kind of LED, and particularly a kind of layer of silica gel by alligatoring LED luminescence chip face seal improves the LED of surface coarsening silica gel sealing of the extraction efficiency of light.
Background technology
Traditional LED luminescence chip surface encapsulation has the layer of silica gel with surfacing, after LED in being sealed in layer of silica gel is luminous, earlier through being the layer of silica gel of optically denser medium, just can enter then in the air into optically thinner medium, the light of some will be by total reflection, some will be absorbed light reflected, thereby cause the LED caloric value to increase, and light extraction efficiency is low.
The utility model content
Technical problem to be solved in the utility model provides the LED of the low surface coarsening silica gel sealing of a kind of light extraction efficiency height and caloric value.
For solving the problems of the technologies described above, the utility model is realized as follows: the LED of surface coarsening silica gel sealing described in the utility model comprises aluminium base, colloidal silica and metal reflective retaining cushion rubber; Described aluminium base middle part is provided with concave space in the cylinder, and the concave space internal fixation is connected with metal reflective retaining cushion rubber in the cylinder; Described metal reflective back-up ring is a circular cylinder, and the outer surface of its circular cylinder is embedded in the interior concave space of cylinder, is distributed with some LED luminescence chips in the space that its inner surface surrounds; Be packaged with transparent colloidal silica on the LED luminescence chip; The surface distributed of described colloidal silica has some irregular conical bores; The surface of described aluminium base is fixedly connected with a relative cathode circuit pin in position and a negative electricity pass pin, and cathode circuit pin and negative electricity pass pin and LED luminescence chip electrically connect.
Be evenly equipped with fixing hole on the described aluminium base, fixing hole is a step through-hole.
The bottom surface of concave space is coated with the layer of metal reflector layer in the cylinder of described aluminium base.
Described metal reflective layer is silver-colored reflector layer.
Connected mode between the described LED luminescence chip can be series, parallel and string and mixes and connects.
Good effect of the present utility model: the LED of surface coarsening silica gel sealing described in the utility model has improved the extraction efficiency of light by the transparent silicon glue-line of alligatoring LED luminescence chip face seal, and having reduced caloric value, the LED of surface coarsening silica gel sealing described in the utility model has improved 20% to 30% than the light taking-up efficient of the LED lamp of traditional surfacing.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation one of the present utility model
Fig. 2 is a structural representation two of the present utility model
Among the figure, 1 aluminium base, 2 colloidal silicas, 3 cathode circuit pins
4 conical bores, 5 metal reflectives retaining cushion rubber, 6 negative electricity pass pin
Concave space in 7 fixing holes, 8 cylinders
Embodiment
As shown in Figure 1 and Figure 2, the LED of surface coarsening silica gel sealing described in the utility model comprises aluminium base (1), colloidal silica (2) and metal reflective retaining cushion rubber (5); Described aluminium base (1) middle part is provided with concave space (8) in the cylinder, and concave space (8) internal fixation is connected with metal reflective retaining cushion rubber (5) in the cylinder; Described metal reflective back-up ring (5) is a circular cylinder, and the outer surface of its circular cylinder is embedded in the interior concave space (8) of cylinder, is distributed with some LED luminescence chips in the space that its inner surface surrounds; Be packaged with transparent colloidal silica (2) on the LED luminescence chip; The surface distributed of described colloidal silica (2) has some irregular conical bores (4); The surface of described aluminium base is fixedly connected with a relative cathode circuit pin (3) in position and a negative electricity pass pin (6), and cathode circuit pin (3) and negative electricity pass pin (6) electrically connect with the LED luminescence chip.
Be evenly equipped with fixing hole (7) on the described aluminium base (1), fixing hole (7) is a step through-hole.
The bottom surface of concave space (8) is coated with the layer of metal reflector layer in the cylinder of described aluminium base (1).
Described metal reflective layer is silver-colored reflector layer.
Connected mode between the described LED luminescence chip can be series, parallel and string and mixes and connects.
The foregoing description has only been represented a kind of execution mode of the present utility model, can not be interpreted as the restriction to the utility model scope.Should be noted that one skilled in the relevant art, under the prerequisite that does not break away from the utility model design, can also make some kinds of deformation designs, these all belong to protection range of the present utility model.
The course of work of the present utility model is:
The LED of surface coarsening silica gel sealing described in the utility model is by being provided with irregular conical bore on the colloidal silica surface, reached the purpose of alligatoring LED luminescence chip face seal glue, when light when colloidal silica penetrates, light directly refraction advances in the air, reduced absorbed light quantity, thereby improved the extraction efficiency of light, and reduced caloric value.
Claims (5)
1. the LED of surface coarsening silica gel sealing is characterized in that: comprise aluminium base, colloidal silica and metal reflective retaining cushion rubber; Described aluminium base middle part is provided with concave space in the cylinder, and the concave space internal fixation is connected with metal reflective retaining cushion rubber in the cylinder; Described metal reflective back-up ring is a circular cylinder, and the outer surface of its circular cylinder is embedded in the interior concave space of cylinder, is distributed with some LED luminescence chips in the space that its inner surface surrounds; Be packaged with transparent colloidal silica on the LED luminescence chip; The surface distributed of described colloidal silica has some irregular conical bores; The surface of described aluminium base is fixedly connected with a relative cathode circuit pin in position and a negative electricity pass pin, and cathode circuit pin and negative electricity pass pin and LED luminescence chip electrically connect.
2. the LED of surface coarsening silica gel sealing according to claim 1 is characterized in that: be evenly equipped with fixing hole on the described aluminium base, fixing hole is a step through-hole.
3. the LED of surface coarsening silica gel sealing according to claim 1 is characterized in that: the bottom surface of concave space is coated with the layer of metal reflector layer in the cylinder of described aluminium base.
4. the LED of surface coarsening silica gel sealing according to claim 3 is characterized in that: described metal reflective layer is silver-colored reflector layer.
5. the LED of surface coarsening silica gel sealing according to claim 1 is characterized in that: the connected mode between the described LED luminescence chip can be series, parallel and string and mixes and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200254137U CN201975423U (en) | 2011-01-26 | 2011-01-26 | Light-emitting diode (LED) sealed with surface roughened silica gel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200254137U CN201975423U (en) | 2011-01-26 | 2011-01-26 | Light-emitting diode (LED) sealed with surface roughened silica gel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975423U true CN201975423U (en) | 2011-09-14 |
Family
ID=44580521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200254137U Expired - Fee Related CN201975423U (en) | 2011-01-26 | 2011-01-26 | Light-emitting diode (LED) sealed with surface roughened silica gel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593323A (en) * | 2012-03-10 | 2012-07-18 | 江苏索尔光电科技有限公司 | LED (light-emitting diode) surface light source packaging piece |
| CN102593325A (en) * | 2012-03-10 | 2012-07-18 | 江苏索尔光电科技有限公司 | LED light source module packaging structure |
-
2011
- 2011-01-26 CN CN2011200254137U patent/CN201975423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593323A (en) * | 2012-03-10 | 2012-07-18 | 江苏索尔光电科技有限公司 | LED (light-emitting diode) surface light source packaging piece |
| CN102593325A (en) * | 2012-03-10 | 2012-07-18 | 江苏索尔光电科技有限公司 | LED light source module packaging structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20120126 |