CN204966535U - Take area source of lens - Google Patents
Take area source of lens Download PDFInfo
- Publication number
- CN204966535U CN204966535U CN201520671483.8U CN201520671483U CN204966535U CN 204966535 U CN204966535 U CN 204966535U CN 201520671483 U CN201520671483 U CN 201520671483U CN 204966535 U CN204966535 U CN 204966535U
- Authority
- CN
- China
- Prior art keywords
- lens
- glue
- led wafer
- area source
- substrate
- 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
Links
- 239000003292 glue Substances 0.000 claims abstract description 64
- 235000012431 wafers Nutrition 0.000 claims abstract description 44
- 241000218202 Coptis Species 0.000 claims abstract description 7
- 235000002991 Coptis groenlandica Nutrition 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 abstract description 16
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 239000000741 silica gel Substances 0.000 description 15
- 229910002027 silica gel Inorganic materials 0.000 description 15
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 150000004645 aluminates Chemical class 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
The utility model discloses a take area source of lens, area source include the base plate and set up LED wafer on the base plate, be provided with the round box dam around the LED wafer and glue, form circular recess, box dam glue surrounds all LED wafers, and in box dam glue formed the recess, it had the one deck fluorescent glue to fill, and this fluorescent glue covers the LED wafer, be fixed with lens on the fluorescent glue, lens are the ellipse, and it is gluey that the box dam is hugged closely to its terminal surface, seal the fluorescent glue, adopt high thermal conductivity insulating cement rigid coupling to pass through the gold thread and be connected with the electrode weld pad on the base plate at base plate upper surface, LED wafer electrode to the connection of outer electrode in realizing. Take area source of lens, its luminous angle fixed, customer can be based on fixed angle and carry out the secondary optical design fine effect of arranging out, and in addition, the light that the area source sent has been broken up original gold -tinted spot behind lens, and the mixture is more even, and photochromic quality is better.
Description
Technical field
The utility model relates to field of LED illumination, relates to a kind of area source with lens specifically.
Background technology
Area source stable performance, easily assembled, application convenience, be more and more widely used in the serial illuminating products such as track lamp.The manufacturing process of area source: in upper surface of base plate die bond, connects with gold thread between wafer and circuit on connection substrate, at wafer area peripheral point box dam glue, forms groove, the mixture of fluorescent material and silica gel on point in groove, baking molding.The surface source luminescence angular range made like this is large, have gold-tinted spot, and secondary light-distribution difficulty is large, illuminating effect is undesirable.Lighting angle scope is large, secondary light-distribution difficulty; Fluorescent material, in wafer periphery degree varies, has gold-tinted spot.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of area source with lens, is intended to solve area source secondary light-distribution difficulty and standard and differs problem, also solve the gold-tinted spot problem when front area light source simultaneously.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of area source with lens, the LED wafer that described area source comprises substrate and arranges on the substrate, a corral dam glue is provided with around described LED wafer, form circular groove, all LED wafer are surrounded by described box dam glue, formed in groove at box dam glue, be filled with one deck fluorescent glue, this fluorescent glue covers described LED wafer, described fluorescent glue is fixed with lens, described lens ovalize, its end face is close to box dam glue, fluorescent glue is sealed, described lens are provided with 120 ° or 140 ° of two angles, described LED wafer is blue LED wafers or purple LED wafer, high thermal conductivity insulating cement is adopted to be fixed in upper surface of base plate, LED wafer electrode is connected with the electrode pad on substrate by gold thread, thus realize the connection of internal and external electrode.
Further, described fluorescent glue is:
The aluminates system fluorescent material of Yellow light-emitting low temperature and the mixture of silica gel;
Or the mixture of the Nitride phosphor glowed and silica gel;
Or the mixture of nitrogen oxide system fluorescent material and silica gel;
Or the silicate fluorescent powder of green light and the mixture of silica gel;
Or the LuAG system fluorescent material of green light and the mixture of silica gel;
Or the GaAG system fluorescent material of green light and the mixture of silica gel.
Further, described lens material is PC material.
Further, described substrate is square, and the light-emitting area that LED wafer, lens, fluorescent glue form is for circular, and substrate is provided with the positive and negative electrode pad for connecting outer lead, and the both positive and negative polarity of this pad is arranged at the corner place of substrate.
Further, the height of described fluorescent glue is lower than the height of box dam glue.
With an area source preparation method for lens, the method comprises the following steps:
1), substrate manufacture, select according to circuit design that to cover metallic plate be substrate, substrate adopts hard printed circuit board or flexible printed circuit board;
2), by the scope of the circuit board setting box dam glue in step 1);
3), in the range areas of box dam glue, setting LED wafer array, makes the electrode of LED wafer be connected with the electrode pad on substrate by gold thread;
4), high thermal conductivity insulating cement is adopted to be fixed on substrate by LED wafer;
5), box dam glue is set;
6), in the scope of box dam glue add fluorescent glue, make fluorescent glue cover all LED wafer, and the height of fluorescent glue is lower than the height 1 ~ 3mm of box dam glue.
7), on fluorescent glue place 120 degree or 140 degree of lens, rims of the lens and box dam glue are close to and are bonded together.
Relative to prior art, the beneficial effects of the utility model are:
1. be with the area source of lens, its lighting angle is fixed, and client can carry out secondary optical design and to arrange in pairs or groups out good effect according to fixing angle, avoids because surface source luminescence angle differs the secondary optical design design iterations problem brought;
2. in addition, original gold-tinted spot, after lens, has been broken up by the light that area source sends, mixing evenly, color quality is better.
3. the mixture of the aluminates system of fluorescent glue Yellow light-emitting low temperature or the silicate of the nitride glowed or nitrogen oxide system or green light or LuAG system fluorescent material and silica gel or the mixture of GaAG system fluorescent material and silica gel, enables area source produce multiple gorgeous light.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cutaway view of the utility model area source.
Fig. 2 is the vertical view of the utility model area source.
Mark in accompanying drawing: substrate 1, LED wafer 2, fluorescent glue 3, lens 4, box dam glue 5, positive and negative electrode pad 6.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Please refer to accompanying drawing 1 ~ 2, a kind of area source with lens of the present utility model, described area source comprises substrate 1 and is arranged on the LED wafer 2 on described substrate 1, a corral dam glue 5 is provided with around described LED wafer 2, form circular groove, all LED wafer 2 are surrounded by described box dam glue 5, at box dam glue 5 formed in groove, be filled with one deck fluorescent glue 3, this fluorescent glue 3 covers described LED wafer 2, described fluorescent glue 3 is fixed with lens 4, described lens 4 ovalize, its end face is close to box dam glue 5, fluorescent glue 3 is sealed, described lens 4 are provided with 120 ° or 140 ° of two angles, described LED wafer 2 is blue LED wafers or purple LED wafer, high thermal conductivity insulating cement is adopted to be fixed in substrate 1 upper surface, LED wafer 2 electrode is connected with the electrode pad on substrate 1 by gold thread, thus realize the connection of internal and external electrode.Described substrate 1 is square, and the light-emitting area that LED wafer 2, lens 4, fluorescent glue 3 form is for circular, and be provided with the positive and negative electrode pad 6 for connecting outer lead on substrate 1, the both positive and negative polarity of this positive and negative electrode pad 6 is arranged at the corner place of substrate 1.The height of described fluorescent glue 3 is lower than the height of box dam glue 5.With the area source of lens 4, its lighting angle is fixed, and client can carry out secondary optical design and to arrange in pairs or groups out good effect according to fixing angle, avoids because surface source luminescence angle differs the secondary optical design design iterations problem brought; In addition, original gold-tinted spot, after lens, has been broken up by the light that area source sends, mixing evenly, color quality is better, and described lens 4 material is PC material.
Described fluorescent glue 3 is:
The aluminates system fluorescent material of Yellow light-emitting low temperature and the mixture of silica gel;
Or the mixture of the Nitride phosphor glowed and silica gel;
Or the mixture of nitrogen oxide system fluorescent material and silica gel;
Or the silicate fluorescent powder of green light and the mixture of silica gel;
Or the LuAG system fluorescent material of green light and the mixture of silica gel;
Or the GaAG system fluorescent material of green light and the mixture of silica gel.
With an area source preparation method for lens, the method comprises the following steps:
1, substrate 1 makes, and selecting to cover metallic plate according to circuit design is substrate, and substrate 1 adopts hard printed circuit board or flexible printed circuit board;
2, by the scope of the circuit board setting box dam glue 5 in step 1;
3, in the range areas of box dam glue 5, setting LED wafer 2 array, makes the electrode of LED wafer 2 be connected with the electrode pad on substrate 1 by gold thread;
4, adopt high thermal conductivity insulating cement by substrate 1 affixed for LED wafer 2;
5, box dam glue 5 is set;
6, in the scope of box dam glue 5, add fluorescent glue 3, make fluorescent glue 3 cover all LED wafer 2, and the height of fluorescent glue 3 is lower than the height 1 ~ 3mm of box dam glue 5.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. the area source with lens, it is characterized in that: described area source comprises substrate (1) and is arranged on the LED wafer (2) on described substrate (1), described LED wafer (2) is provided with corral dam glue (5) around, form circular groove, all LED wafer (2) are surrounded by described box dam glue (5), at box dam glue (5) formed in groove, be filled with one deck fluorescent glue (3), this fluorescent glue (3) covers described LED wafer (2), described fluorescent glue (3) is fixed with lens (4), described lens (4) ovalize, its end face is close to box dam glue (5), fluorescent glue (3) is sealed, described lens (4) are provided with 120 ° or 140 ° of two angles, described LED wafer (2) is blue LED wafers or purple LED wafer, high thermal conductivity insulating cement is adopted to be fixed in substrate (1) upper surface, LED wafer (2) electrode is connected with the electrode pad on substrate (1) by gold thread, thus realize the connection of internal and external electrode.
2. a kind of area source with lens according to claim 1, is characterized in that: described lens (4) material is PC material.
3. a kind of area source with lens according to claim 1, it is characterized in that: described substrate (1) is square, the light-emitting area that LED wafer (2), lens (4), fluorescent glue (3) form is for circular, substrate (1) is provided with the positive and negative electrode pad for connecting outer lead, and the both positive and negative polarity of this pad is arranged at the corner place of substrate (1).
4. a kind of area source with lens according to claim 1, is characterized in that: the height of described fluorescent glue (3) is lower than the height 1 ~ 3mm of box dam glue (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520671483.8U CN204966535U (en) | 2015-09-01 | 2015-09-01 | Take area source of lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520671483.8U CN204966535U (en) | 2015-09-01 | 2015-09-01 | Take area source of lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966535U true CN204966535U (en) | 2016-01-13 |
Family
ID=55061577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520671483.8U Expired - Fee Related CN204966535U (en) | 2015-09-01 | 2015-09-01 | Take area source of lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070814A (en) * | 2015-09-01 | 2015-11-18 | 宏齐光电子(深圳)有限公司 | Area light source with lens, and preparation method thereof |
| CN107086266A (en) * | 2016-02-12 | 2017-08-22 | 三星电子株式会社 | Semiconductor light emitting device packaging piece |
-
2015
- 2015-09-01 CN CN201520671483.8U patent/CN204966535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070814A (en) * | 2015-09-01 | 2015-11-18 | 宏齐光电子(深圳)有限公司 | Area light source with lens, and preparation method thereof |
| CN107086266A (en) * | 2016-02-12 | 2017-08-22 | 三星电子株式会社 | Semiconductor light emitting device packaging piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |