CN103165796A - Fluorescent lampshade type light-emitting diode (LED) white light module - Google Patents
Fluorescent lampshade type light-emitting diode (LED) white light module Download PDFInfo
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- CN103165796A CN103165796A CN2013100651455A CN201310065145A CN103165796A CN 103165796 A CN103165796 A CN 103165796A CN 2013100651455 A CN2013100651455 A CN 2013100651455A CN 201310065145 A CN201310065145 A CN 201310065145A CN 103165796 A CN103165796 A CN 103165796A
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Abstract
The invention relates to a fluorescent lampshade type light-emitting diode (LED) white light module. The fluorescent lampshade type LED white light module is characterized in that a fluorescent lampshade mixed with fluorescent powder and provided with an arc-shaped top face is covered on a blue luminous body substrate plate composed of one or a plurality of blue luminous tubes, silica gel or epoxy resin is filled between a luminous body and the fluorescent lampshade to form a transparent layer, blue light emitted by the blue luminous body reaches the fluorescent lampshade through the transparent layer, and white light with a lighting angle from 200 degrees to 300 degrees can be stimulated after the blue light is combined with the fluorescent powder in the fluorescent lampshade.
Description
Technical field
The present invention relates to LED advertising lighting module technology, relate in particular to the fluorescent lamp bell-type LED white light module that a kind of energy wide-angle be distributed light.
Background technology
Being widely used of advertising lighting field, LED module lighting technology is developed fast along with LED illuminating module technology.The main path that current LED module produces white light has following methods:
With the LED chip of blue light, the above covers the mixed layer of yellow fluorescent powder and transparent colloid, realizes white light emission.
In now widely used above-mentioned LED white light module technology, the luminous tube of the LED transmitting white of employing all is flat on the substrate that is covered with circuit, and due to the lighting angle restriction that is subject to substrate and luminous tube, the lighting angle of module is general all less than 180 degree.
In order to produce the luminous module of wide-angle, someone has designed the optical reflection lens that use the transparent materials such as PC to make, and optical lens is placed on the lighting angle that increases module above the LED luminous tube, but it may be formed by a plurality of chip set due to LED luminous tube, particularly high-power LED luminous tube, but, utilize the complexity that designs and produces of optical lens, with high costs, poor effect.Add that lens itself have larger light thoroughly to lose to the LED white light, cause the luminous efficiency of module low.Obviously, the defective that this employing lens technique exists is fairly obvious, but also can increase the manufacturing cost of module.
Summary of the invention
Purpose of the present invention: be intended to propose a kind of more economical and practical LED wide-angle module manufacturing technology.
This fluorescent lamp bell-type LED white light module, it is characterized in that: be mixed with the arc fluorescent lamp shade of fluorescent material at the substrate upper cover that is equipped with the blue-light emitting body that one or more blue-light-emitting pipes form, and filling gel or epoxy resin consist of hyaline layer between luminous element and fluorescent lamp shade; The blue light that blue-light emitting body sends arrives fluorescent lamp shade by hyaline layer, can reach 200 degree to the white lights between 300 degree through inspiring lighting angle after the combination of the fluorescent material in fluorescent lamp shade.
Described fluorescent lamp shade is made base-material with epoxy resin or the silica gel of liquid condition, with yellow fluorescent powder as compound, and form by the proportioning of adding 0.3-15 weight portion yellow fluorescent powder in the base-material of every 100 weight portions and make the fluorescent lamp shade raw material, the solid fluorescence lampshade by injection mo(u)lding, cure and demold, the required moulding of formation subsequently.
The particle diameter of described fluorescent powder grain is at 5-25um.
The arc top surface of described fluorescent lamp shade is any one form in hemisphere spherical surface body, hemisphere cylinder, parabola shaped cylinder, incomplete type spheroid or polygon sphere cylinder.
Described fluorescent lamp shade is candle light shape cover body or other obform body cover bodies.
Also be mixed with fluorescent material in described hyaline layer, described fluorescent material is between 0.01-10% in the ratio of hyaline layer base-material.
Described epoxy resin is two minutes epoxy resin.
Described silica gel is two component polysiloxanes.
Described hyaline layer is placed between blue led luminous element and fluorescent lamp shade, and hyaline layer is to adopt silica gel or epoxy resin to form.
Described fluorescent lamp shade is arranged on and consists of single luminous point wide-angle module on the module of a luminous point, and perhaps described light-emitting lamp shade is arranged on the wide-angle module that consists of a plurality of luminous points on the module of a plurality of luminous points.
As the further expansion to technique scheme, described fluorescent lamp shade is made with PC material or acrylic transparent plastic, mixing the fluorescent material ratio between 0.3-15%.
As to further improvement in the technical proposal, the ratio of described fluorescent material in hyaline layer base-material silica gel or epoxy resin is between 0.01-10%.
This fluorescent lamp bell-type LED white light module according to above technical scheme proposition, not only manufacture craft is simple, equipment investment is few, the more important thing is the uniform white light that can give out wide-angle, and owing to being that blue light directly inspires white light on fluorescent lamp shade, greatly improve the lighting angle of module, add hyaline layer between blue-light-emitting pipe and fluorescent lamp shade, this is for guaranteeing that efficient and uniformity that product sends light have important function.
Description of drawings
Fig. 1 is basic structure schematic diagram of the present invention;
Fig. 2 is hemisphere fluorescence cover structure schematic diagram (pure hyaline layer);
Fig. 3 is hemisphere cylinder fluorescence cover structure schematic diagram (hyaline layer is mixed with fluorescent material);
Fig. 4 is parabola shaped cylinder fluorescence cover structure schematic diagram;
Fig. 5 is segment-shaped spherical fluorescence cover structure schematic diagram.
In figure: 1-substrate 2-fluorescent lamp shade 3-hyaline layer 4-luminous element.
Embodiment
Further set forth the present invention below in conjunction with accompanying drawing, and provide embodiments of the invention.
Technical side's scheme that the present invention proposes is a kind of innovation to the LED module of existing traditional structure.
This fluorescent lamp bell-type LED white light module, be mixed with the fluorescent lamp shade 2 of fluorescent material, the curved shape of end face at substrate 1 upper cover that is equipped with the blue-light emitting body 4 that one or more blue-light-emitting pipes form, and between luminous element 4 and fluorescent lamp shade 2 filling gel or epoxy resin formation hyaline layer 3; The blue light that blue-light emitting body 4 sends arrives fluorescent lamp shade 2 by hyaline layer, can reach 200 degree to the white lights between 300 degree through inspiring lighting angle after the combination of the fluorescent material in fluorescent lamp shade.
Described fluorescent lamp shade 2 is made base-material with epoxy resin or the silica gel of liquid condition, with yellow fluorescent powder as compound, and form by the proportioning of adding 0.3-15 weight portion yellow fluorescent powder in the base-material of every 100 weight portions and make the fluorescent lamp shade raw material, the solid fluorescence lampshade 2 by injection mo(u)lding, cure and demold, the required moulding of formation subsequently.
The particle diameter of described fluorescent powder grain is at 5-25um.
The arc top surface of described fluorescent lamp shade 2 is any one form in hemisphere spherical surface body, hemisphere cylinder, parabola shaped cylinder, incomplete type spheroid or polygon sphere cylinder.
In addition, also can take fluorescent lamp shade is made into candle light shape cover body (being the candle lamp shape in traditional concept) or other special-shaped cover bodies, the range of exposures that can guarantee thus the light that this fluorescent lamp bell-type LED white light module gives out remains on the coverage of desirable 〉=180 °.
Also be mixed with fluorescent material in described hyaline layer, described fluorescent material is between 0.01-10% in the ratio of hyaline layer base-material.
Described epoxy resin is two minutes epoxy resin.
Described silica gel is two component polysiloxanes.
Described hyaline layer 3 is placed between blue led luminous element and fluorescent lamp shade 2, and hyaline layer is to adopt silica gel or epoxy resin to form.
In actual applications, the technical program can be realized by following three kinds of versions:
One adopts basic structure form as shown in Figure 1.
Be mixed with the arc fluorescent lamp shade 2 of fluorescent material at substrate 1 upper cover that is equipped with the blue-light emitting body 4 that one or more blue-light-emitting pipes form, and between luminous element 4 and fluorescent lamp shade 2 filling gel or epoxy resin formation hyaline layer 3; The blue light that blue-light emitting body 4 sends arrives fluorescent lamp shade 2 by hyaline layer, can reach 200 degree to the white lights between 300 degree through inspiring lighting angle after the combination of the fluorescent material in fluorescent lamp shade.
Its two, adopt form as shown in Figure 2.
Be mixed with the arc fluorescent lamp shade 2 of fluorescent material at substrate 1 upper cover of the blue-light emitting body 4 that is equipped with one or more blue-light-emitting pipes compositions, and filling gel or epoxy resin consist of hyaline layer 3 between luminous element 4 and fluorescent lamp shade 2, there is no filling fluorescent material in this hyaline layer.The blue light that blue-light emitting body 4 sends arrives fluorescent lamp shade 2 by hyaline layer, can reach 200 degree to the white lights between 300 degree through inspiring lighting angle after the combination of the fluorescent material in fluorescent lamp shade.
Its three, adopt form as shown in Figure 3.
Be mixed with the arc fluorescent lamp shade 2 of fluorescent material at substrate 1 upper cover of the blue-light emitting body 4 that is equipped with one or more blue-light-emitting pipes compositions, and filling gel or epoxy resin consist of hyaline layer 3 between luminous element 4 and fluorescent lamp shade 2, and in this hyaline layer filling fluorescent material; Utilize the imitation frosted glass fluorescent material (accounting for hyaline layer inventory the about 0.01-10%) of admixture in hyaline layer, make the module member in production in enormous quantities have more good luminous uniformity.The blue light that blue-light emitting body 4 sends arrives fluorescent lamp shade 2 by hyaline layer, can reach 200 degree to the white lights between 300 degree through inspiring lighting angle after the combination of the fluorescent material in fluorescent lamp shade.
Described fluorescent lamp shade is arranged on and consists of single luminous point wide-angle module on the module of a luminous point, and perhaps described light-emitting lamp shade is arranged on the wide-angle module that consists of a plurality of luminous points on the module of a plurality of luminous points.
As the further expansion to technique scheme, described fluorescent lamp shade is made with PC material or acrylic transparent plastic, mixing the fluorescent material ratio between 0.3-15%.
As to further improvement in the technical proposal, the ratio of described fluorescent material in hyaline layer base-material silica gel or epoxy resin is between 0.01-10%.
Adopt the preparation method of the fluorescent lamp bell-type module of technique scheme to be:
1. take the liquid-transparent epoxy resin of 100 weight portions or silica gel as base-material, add in proportion subsequently the LED yellow fluorescent powder of 0.3-10 weight portion, after fully mixing, by common casting or pressurization gelation forming technique, fluid mix is injected lampshade mould, different according to the coagulating property of base-material, just can obtain the qualified solid LED lampshade that contains even distribution fluorescent material after several hours in a few minutes.
2. then after solidifying, hyaline layer just obtains the lampshade of wide-angle module at the inner hyaline layer (silica gel or epoxy) that pours into of the LED lampshade that contains fluorescent material of solid.
3. fixed above lampshade being put into blue led luminous tube (or luminous aggregate), just can be obtained the LED module of wide-angle.
1. also can adopt plastics, PC etc. transparency material is mixed with the ratio of fluorescent material below 15%, obtains the LED light shield that contains fluorescent material of solid by injection moulding etc. method.
2. then after solidifying, hyaline layer just obtains the lampshade of wide-angle module at the inner hyaline layer (silica gel or epoxy) that pours into of the LED lampshade that contains fluorescent material of solid.
3. fixed the LED module that just can obtain wide-angle above lampshade being put into blue led luminous tube (or luminous aggregate)
This fluorescent lamp bell-type LED white light module that adopts technique scheme to propose if select liquid condition epoxy resin, silica gel as the base-material of lampshade, and adds the lampshade that a certain amount of fluorescent material is made in base-material, not only moulding is simple.And because base-material is liquid, therefore can make powdery fluorescent material can than faster, be evenly dispersed in base-material.Compared with the mixing granulation of the solid that adopts in present correlation technique, roll diffusion technique, not only technique is simple, and can greatly reduce the use amount of LED fluorescent material, and the manufacturing cost of LED lamp is also greatly reduced, can yet be regarded as is a kind of economic and practical LED lampshade manufacturing technology.Can make luminous efficiency improve 10-20% by fill hyaline layer (silica gel or epoxy resin) between lampshade and blue led luminous tube.By attaching micro-fluorescent material in hyaline layer, can adjust the Luminescence Uniformity of wide-angle module in a large amount of production processes, product percent of pass is improved greatly.
The present invention can use on single luminous high-power module, also can use on the module of a plurality of luminous points.
The present invention has only provided some basic conceptions in technique scheme and embodiment, has also contained and has utilized this basic conception, but be not limited to above-described embodiment, can put forward some other fluorescent lamp bell-type LED white light modular structure that other utilize this design.For example, also the top of fluorescent lamp shade can be made into the plane, make whole fluorescent lamp shade become the plane column.
Claims (16)
1. fluorescent lamp bell-type LED white light module, it is characterized in that: be mixed with the fluorescent lamp shade of fluorescent material, the curved shape of end face at the substrate upper cover that is equipped with the blue-light emitting body that one or more blue-light-emitting pipes form, and filling gel or epoxy resin consist of hyaline layer between luminous element and fluorescent lamp shade; The blue light that blue-light emitting body sends arrives fluorescent lamp shade by hyaline layer, can reach 200 degree to the white lights between 300 degree through inspiring lighting angle after the combination of the fluorescent material in fluorescent lamp shade.
2. a kind of fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: described fluorescent lamp shade is made base-material with epoxy resin or the silica gel of liquid condition, with yellow fluorescent powder as compound, and form by the proportioning of adding 0.3-15 weight portion yellow fluorescent powder in the base-material of every 100 weight portions and make the fluorescent lamp shade raw material, the solid fluorescence lampshade by injection mo(u)lding, cure and demold, the required moulding of formation subsequently.
3. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: the particle diameter of described fluorescent powder grain is at 5-25um.
4. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: the arc top surface of described fluorescent lamp shade is the hemisphere spherical surface body.
5. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: the arc top surface of described fluorescent lamp shade is the hemisphere cylinder.
6. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: described fluorescent lamp shade is parabola shaped cylinder.
7. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: described fluorescent lamp shade is incomplete type spheroid.
8. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: the arc top surface of described fluorescent lamp shade is polygon sphere cylinder.
9. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: described fluorescent lamp shade is candle light shape cover body.
10. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: also be mixed with fluorescent material in described hyaline layer, described fluorescent material is between 0.01-10% in the ratio of hyaline layer base-material.
11. fluorescent lamp bell-type LED white light module as claimed in claim 1 is characterized in that: described epoxy resin is two minutes epoxy resin.
12. fluorescent lamp bell-type LED white light module as claimed in claim 1 is characterized in that: described silica gel is two component polysiloxanes.
13. fluorescent lamp bell-type LED white light module as claimed in claim 1 is characterized in that: described fluorescent lamp shade is made with PC material or acrylic transparent plastic, mixing the fluorescent material ratio between 0.3-15%.
14. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: described hyaline layer is placed between blue led luminous element and fluorescent lamp shade, and hyaline layer is to adopt silica gel or epoxy resin to form.
15. fluorescent lamp bell-type LED white light module as claimed in claim 1, it is characterized in that: described fluorescent lamp shade is arranged on and consists of single luminous point wide-angle module on the module of a luminous point, and perhaps described light-emitting lamp shade is arranged on the wide-angle module that consists of a plurality of luminous points on the module of a plurality of luminous points.
16. fluorescent lamp bell-type LED white light module as described in claim 1 or 9, it is characterized in that: the ratio of described fluorescent material in hyaline layer base-material silica gel or epoxy resin is between 0.01-10%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100651455A CN103165796A (en) | 2013-03-01 | 2013-03-01 | Fluorescent lampshade type light-emitting diode (LED) white light module |
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| CN2013100651455A CN103165796A (en) | 2013-03-01 | 2013-03-01 | Fluorescent lampshade type light-emitting diode (LED) white light module |
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| CN2013100651455A Pending CN103165796A (en) | 2013-03-01 | 2013-03-01 | Fluorescent lampshade type light-emitting diode (LED) white light module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980074A (en) * | 2017-12-27 | 2019-07-05 | 晶能光电（江西）有限公司 | The preparation method of LED headlamp |
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| CN102321371A (en) * | 2011-07-06 | 2012-01-18 | 杭州杭科光电有限公司 | Preparation method of high-power white light LED (light emitting diode) silica gel lens |
| WO2012070895A2 (en) * | 2010-11-26 | 2012-05-31 | 서울반도체 주식회사 | Led lighting device |
| CN202493959U (en) * | 2012-04-01 | 2012-10-17 | 德清新明辉电光源有限公司 | White-light LED light-emitting module |
| CN102800795A (en) * | 2012-08-17 | 2012-11-28 | 南通脉锐光电科技有限公司 | White light LED light emitting device based on fluorescent resin |
| CN102896751A (en) * | 2011-07-27 | 2013-01-30 | 东莞市汇铼电子有限公司 | Making method of LED white light lampshade |
| CN203242659U (en) * | 2013-03-01 | 2013-10-16 | 上海嘉塘电子有限公司 | A LED white light module with a fluorescent lamp cover |
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2013
- 2013-03-01 CN CN2013100651455A patent/CN103165796A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012070895A2 (en) * | 2010-11-26 | 2012-05-31 | 서울반도체 주식회사 | Led lighting device |
| CN102321371A (en) * | 2011-07-06 | 2012-01-18 | 杭州杭科光电有限公司 | Preparation method of high-power white light LED (light emitting diode) silica gel lens |
| CN102896751A (en) * | 2011-07-27 | 2013-01-30 | 东莞市汇铼电子有限公司 | Making method of LED white light lampshade |
| CN202493959U (en) * | 2012-04-01 | 2012-10-17 | 德清新明辉电光源有限公司 | White-light LED light-emitting module |
| CN102800795A (en) * | 2012-08-17 | 2012-11-28 | 南通脉锐光电科技有限公司 | White light LED light emitting device based on fluorescent resin |
| CN203242659U (en) * | 2013-03-01 | 2013-10-16 | 上海嘉塘电子有限公司 | A LED white light module with a fluorescent lamp cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980074A (en) * | 2017-12-27 | 2019-07-05 | 晶能光电（江西）有限公司 | The preparation method of LED headlamp |
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Application publication date: 20130619 |