CN209766417U - LED area light source light engine based on honeycomb arrangement - Google Patents
LED area light source light engine based on honeycomb arrangement Download PDFInfo
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- CN209766417U CN209766417U CN201921090128.6U CN201921090128U CN209766417U CN 209766417 U CN209766417 U CN 209766417U CN 201921090128 U CN201921090128 U CN 201921090128U CN 209766417 U CN209766417 U CN 209766417U
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- Prior art keywords
- led lamp
- light source
- led
- light engine
- lamp pearl
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011889 copper foil Substances 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 239000011324 bead Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 5
- 241001465382 Physalis alkekengi Species 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract description 3
- 239000011049 pearl Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 108010043121 Green Fluorescent Proteins Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a LED area source light engine based on honeycomb is arranged, it has solved the technical problem of current dot matrix illumination lamps and lanterns and COB formula illumination lamps and lanterns, and it is equipped with aluminium base board, is equipped with the insulating layer on the aluminium base board, is equipped with conductive copper foil on the insulating layer, and conductive copper foil wire node is equipped with LED lamp pearl, and LED lamp pearl is flip-chip LED lamp pearl, and flip-chip LED lamp pearl constitutes honeycomb structure with conductive copper foil and arranges and be connected. The utility model discloses can extensively be applied to LED area source illumination technical field.
Description
Technical Field
the utility model relates to the field of lighting technology, especially, relate to a LED area source light engine based on honeycomb is arranged.
background
With the extensive application of LED lighting fixtures in a large scale, the design and packaging technology of LED light engines is gradually becoming more mature. The LED light engine has been rapidly developed through two generation modes of a dot matrix mode and a COB mode, and the two modes have a large number of applications in the market at present.
However, as LED lighting fixtures enter thousands of households, inherent disadvantages of the dot-matrix and COB type LED lighting fixtures become more and more obvious. The dot-matrix lighting lamp has a large glare value, and users can feel that the lamp is very uncomfortable to see in most application places; COB formula illumination lamps and lanterns because the heat that self produced can not distribute fast, lead to COB formula LED photo engine light decay more serious, can only do low-power illumination lamps and lanterns. The inherent disadvantages of both lighting products have not met the increasing desire of consumers for high comfort and high lighting effects.
Disclosure of Invention
The utility model discloses a solve the technical problem of the inherent defect that current dot-matrix and COB formula LED photo engine exist, provide a glare value low, long service life, light efficiency height and can fill the LED area source photo engine based on honeycomb range that different illumination field used.
The utility model provides a LED area source light engine based on honeycomb is arranged, it is equipped with the base plate, is equipped with the insulating layer on the base plate, is equipped with conductive copper foil on the insulating layer, and conductive copper foil wire node is equipped with LED lamp pearl, and LED lamp pearl is flip-chip LED lamp pearl, and flip-chip LED lamp pearl adopts the micropower type, and flip-chip LED lamp pearl constitutes honeycomb with conductive copper foil and arranges to be connected.
Preferably, the flip-chip LED lamp bead is of type 620, 1020 and/or 1430.
Preferably, the insulating layer, the conductive copper foil and the inverted LED lamp bead are coated with fluorescent layers.
preferably, the fluorescent layer is made by mixing phosphor powder with transparent fixing glue.
Preferably, the power ratio of the coated area of the fluorescent layer is more than or equal to 0.6.
Preferably, the substrate is an aluminum substrate, and the aluminum substrate is a pure aluminum plate.
Preferably, the substrate is a flexible wiring board.
Preferably, the flexible circuit board is made of a polyimide film, a polyester film or a polytetrafluoroethylene film.
The utility model has the advantages that:
1. The utility model adopts the group quantity inverted micro-power LED lamp beads, the group quantity small current and micro-power inverted LED lamp beads, the working current of a single LED is not more than 10mA, the temperature rise of the junction temperature of the LED is not more than 40 ℃, the light attenuation of the light engine is very small, and the service life is long;
2. The utility model discloses LED lamp pearl adopts honeycomb layout structure, and the negative pole of each LED lamp pearl all links to each other with the positive pole of its many LED lamp pearls that link to each other, and the positive pole of each LED lamp pearl all links to each other with the negative pole of its many LED lamp pearls that link to each other, when one of them LED lamp pearl is dead, does not influence other LED lamp pearls and normally works, has improved the reliability of light engine work, has reduced the influence of LED lamp pearl dead lamp to light engine;
3. The utility model discloses an adopt huge amount of phosphor powder large tracts of land coating technique, not only make the light engine light efficiency more than up to 200LM/W, can reduce LED drive power moreover, improve light source economize on electricity efficiency, also reduced the light engine light rate simultaneously.
Drawings
Fig. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the honeycomb structure of the lamp beads of the present invention;
FIG. 4 is a schematic diagram of the connection relationship of the lamp beads of the present invention;
Fig. 5 is a schematic view of the production process of the present invention.
Description of the symbols of the drawings:
1. An aluminum substrate; 2. an insulating layer; 3. a conductive copper foil; 4, LED lamp beads; 5. a fluorescent layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, so that those skilled in the art can easily implement the present invention.
As shown in fig. 1-2, the utility model discloses a structural schematic diagram, the utility model provides a LED area light source light engine based on honeycomb is arranged comprises LED lamp pearl 4, aluminium base board 1, fluorescent layer 5, insulating layer 2 and conductive copper foil 3. The aluminum substrate 1 is a physical carrier of the light engine, is positioned at the bottommost layer and can effectively and quickly dissipate heat generated by the LED lamp beads 4 during working; the aluminum substrate 1 can be a pure aluminum plate with the thickness of 0.5mm, 1.0mm, 1.2mm, 1.6mm and 2.0mm and the heat conductivity coefficient of 1.0, 2.0 and 3.0; the aluminum substrate 1 can also be replaced by a flexible circuit board, and the flexible circuit board can be a polyimide film, a polyester film or a polytetrafluoroethylene film. The insulating layer 2 is coated on the aluminum substrate 1, the insulating layer 2 is made of a ceramic epoxy resin material, the conductive copper foil 3 is a conductive carrier of the light engine, the conductive copper foil 3 is coated on the insulating layer 2, the LED lamp beads 4 are welded at the wire nodes of the conductive copper foil 3, and the fluorescent layer 5 is coated on the insulating layer 2, the conductive copper foil 3 and the LED lamp beads 4.
LED lamp beads 4 are packaged by group-quantity small-current micropower flip-chip LED lamp beads, the types of the LED lamp beads 4 are 620, 1020 and/or 1430, and the working current range of a single LED lamp bead is 5mA-10 mA. Compare traditional COB light source engine, single LED lamp pearl power is about 1W, and single LED lamp pearl of flowing through all is the electric current that surpasss more than 300mA, and the temperature rise can surpass 100 ℃, and the light engine light decay is serious, the utility model discloses LED junction temperature rise does not exceed 40 ℃, and the light engine light decay is very little, long service life, energy-concerving and environment-protective.
The fluorescent layer 5 adopts a large-area fluorescent powder coating mode, the power ratio of the coated area of the fluorescent powder is more than or equal to 0.6, and the fluorescent powder is prepared by fully and uniformly mixing the fluorescent powder and the fixing glue. After red and green fluorescent powder and high-transparency silica gel are fully mixed, the mixture is uniformly coated on the surfaces of the insulating layer 2, the flip-chip LED lamp bead 4 and the conductive copper foil 3 in a large-area manner, the light efficiency and the heat dissipation efficiency of a light engine are improved by coating in a large area, the surface temperature rise of the fluorescent powder is not more than 40 ℃ during working, the service life of the fluorescent powder is prolonged, and the glare value of a light source is reduced.
Under the same power, the comparison of various performance indexes of a point light source, a COB light source and a surface light source of the LED surface light source light engine is as shown in the table:
as can be seen from the above table, the coating area of the fluorescent powder of the light engine of the LED area light source is 4 times that of the point light source and 2 times that of the COB light source; the current density of the LED area light source light engine chip is far smaller than that of the traditional LED light source. The fluorescent powder is one of the key factors of light source luminescence, the luminous efficiency of the light source can be greatly improved by increasing the coating area of the fluorescent powder, and the service power of the LED lamp bead can be greatly reduced by increasing the area of the fluorescent powder under the condition of the same luminous flux.
As shown in fig. 3, be the utility model discloses a LED lamp pearl honeycomb structure sketch map, LED1, LED2, LED3, the positive pole of LED4 all connects in parallel together, LED1, LED2, LED3, LED 4's negative pole all connects in parallel together, also connect in parallel together with LED5, LED6, LED7, LED 8's positive pole simultaneously, so on, all LED lamp pearls 4 all cascade together through conducting copper foil 3 through honeycomb structure. When one LED lamp bead breaks down, the normal work of other LED lamp beads is not influenced, and the visual effect of the whole optical engine is not influenced.
Shown by fig. 4, be the utility model discloses a LED lamp pearl relation schematic diagram, flip-chip formula LED lamp pearl can establish ties and parallelly connected according to the user's demand. The LED lamp beads are connected in series, so that the working voltage of a light source engine can be improved, the working voltage range of a single LED lamp bead is 2.7-3.2V of direct current, and the working voltage of the light source engine is increased according to integral multiple of the working voltage of a single LED. The LED lamp beads are connected in parallel, the working current of a light source engine can be improved, the working current range of a single LED lamp bead is 5mA-10mA, and the working current of the light source engine is increased according to integral multiple of the working current of a single LED.
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.
Claims (8)
1. The utility model provides a LED area source light engine based on honeycomb is arranged, its is equipped with the base plate, be equipped with the insulating layer on the base plate, be equipped with conductive copper foil on the insulating layer, conductive copper foil wire node is equipped with LED lamp pearl, characterized by, LED lamp pearl is flip-chip LED lamp pearl, flip-chip LED lamp pearl adopts the micropower type, flip-chip LED lamp pearl with conductive copper foil constitutes honeycomb structure and arranges the connection.
2. An LED area light source light engine based on a honeycomb arrangement as claimed in claim 1, wherein the flip-chip LED lamp bead model number is 620, 1020 and/or 1430.
3. An LED area light source light engine based on a honeycomb arrangement as claimed in claim 1 or 2, wherein the insulation layer, the conductive copper foil and the flip-chip LED lamp beads are coated with a fluorescent layer.
4. An LED area light source light engine as claimed in claim 3, wherein the phosphor layer is made by mixing phosphor powder with transparent fixing glue.
5. An LED area light source light engine based on honeycomb arrangement as claimed in claim 4, wherein the phosphor layer coating area power ratio is not less than 0.6.
6. an LED area light source light engine as claimed in claim 1, wherein the substrate is an aluminum substrate, and the aluminum substrate is a pure aluminum plate.
7. An LED area light source light engine as claimed in claim 1, wherein the substrate is a flexible circuit board.
8. An LED area light source light engine based on honeycomb arrangement as claimed in claim 7, wherein the flexible circuit board is made of polyimide film, polyester film or polytetrafluoroethylene film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090128.6U CN209766417U (en) | 2019-07-12 | 2019-07-12 | LED area light source light engine based on honeycomb arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090128.6U CN209766417U (en) | 2019-07-12 | 2019-07-12 | LED area light source light engine based on honeycomb arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209766417U true CN209766417U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090128.6U Active CN209766417U (en) | 2019-07-12 | 2019-07-12 | LED area light source light engine based on honeycomb arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN209766417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265388A (en) * | 2019-07-12 | 2019-09-20 | 威海金丰电子有限公司 | LED area light source light engine and its production method based on honeycomb arrangement |
-
2019
- 2019-07-12 CN CN201921090128.6U patent/CN209766417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265388A (en) * | 2019-07-12 | 2019-09-20 | 威海金丰电子有限公司 | LED area light source light engine and its production method based on honeycomb arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED surface light engine based on honeycomb arrangement Effective date of registration: 20200909 Granted publication date: 20191210 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: WEIHAI KINGFULL ELECTRONICS Co.,Ltd. Registration number: Y2020980005849 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220908 Granted publication date: 20191210 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: WEIHAI KINGFULL ELECTRONICS Co.,Ltd. Registration number: Y2020980005849 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED surface light engine based on honeycomb arrangement Effective date of registration: 20230911 Granted publication date: 20191210 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: WEIHAI KINGFULL ELECTRONICS Co.,Ltd. Registration number: Y2023980056045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20191210 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: WEIHAI KINGFULL ELECTRONICS Co.,Ltd. Registration number: Y2023980056045 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |