CN101800279A - Novel LED light source substrate, production method thereof and applied fluorescent lamp thereof - Google Patents
Novel LED light source substrate, production method thereof and applied fluorescent lamp thereof Download PDFInfo
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- CN101800279A CN101800279A CN201010110554A CN201010110554A CN101800279A CN 101800279 A CN101800279 A CN 101800279A CN 201010110554 A CN201010110554 A CN 201010110554A CN 201010110554 A CN201010110554 A CN 201010110554A CN 101800279 A CN101800279 A CN 101800279A
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- reflector
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Abstract
The invention discloses a novel LED light source substrate, a production method thereof and an applied fluorescent lamp thereof. The substrate is made of a good heat conductor, wherein a plurality of reflector cups are stamped on the substrate; reflector layers are plated on the paraboloids in the cups; light emitting wafers are fixed on the bottoms of the reflector cups; the surface of the substrate is provided with a heat-conductive insulating layer on which circuits and solder points are laid on the heat-conductive insulating layer; an FR4 flame resistant material for covering the laid circuits is covered on the heat-conductive insulating layer; and two leading-out lead wires on the light emitting wafer are soldered on the corresponding solder points. The light source substrate of the invention has the advantages of high light conversion efficiency, energy conservation, environment protection without toxic substance, high reliability and the like; and because a light source drive device is arranged out of a fluorescent lamp tube, heat productivity is low and the power consumption is over 50 percent lower than that of the conventional fluorescent lamp. Simultaneously the LED light source substrate is suitable for the production and the use of the fluorescent lamps with different sizes such as T5, T4, T8, T10 and the like according to actual need.
Description
Technical field
The present invention relates to a kind of led light source substrate, especially relate to a kind of Novel LED light source substrate and production method thereof with and the fluorescent lamp used.
Background technology
Because problems such as earth environment pollution and energy scarcity become increasingly conspicuous, people take up to consider that launching energy-saving and environmental protection in all its bearings assaults fortified position.Lightings such as traditional incandescent lamp or fluorescent lamp because energy consumption is higher, and contain liquid, the gas material of some contaminated environment, beginning gradually by numerous common people cognition.
At present, along with advancing by leaps and bounds of LED technology, the theoretical light efficiency of LED (every watt of 260 lumen) is considerably beyond traditional incandescent lamp, even surpasses some fluorescent lamp.The meeting difficult to understand since capital, 08 year Beijing, LED is with its high light efficiency, and advantages such as energy-conserving and environment-protective begin to apply to each demonstration field in a large number, as indoor outer display screen, various Landscape Lightings etc.But the normal lighting that it really is used for common people does not also slowly raise the curtain, and reason is some lighting apparatuss of emerging at present as LED fluorescent lamp etc., to adopt common direct insertion LED, adopting surface mounted LED, great power LED etc. as light source more.This light source exists light efficiency low, and therefore the shortcoming that reliability is not high, production cost is high has hindered led light source in further development and application high-power, low-cost lighting field.
Summary of the invention
The purpose of this invention is to provide a kind of Novel LED light source substrate and production method thereof with and the fluorescent lamp used.It is low to be used to solve existing led light source light efficiency, and reliability is not high, production cost high-technology problem.It is reasonable inadequately also to have solved existing LED fluorescent structure simultaneously, and caloric value is big, technical problems such as stability difference.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: this Novel LED light source substrate comprises substrate, described substrate adopts good thermal conductor to make, the substrate upper punch is pressed with a plurality of reflectors, parabola is coated with reflector layer in the cup, be fixed with luminescent wafer at the bottom of the reflector, substrate surface is provided with the heat conductive insulating layer, be laid with circuit and solder joint on the heat conductive insulating layer, also cover one deck and will lay the FR4 flame resistant material that circuit covers on insulating barrier, two on the described luminescent wafer drawn the seam of lead difference on the solder joint of correspondence.
As preferably, described substrate adopts metal material to make.
As preferably, described FR4 flame resistant material surface coverage one deck white paint.
As preferably, described wafer surface is coated with fluorescence coating, is coated with silica gel or epoxy resin protective layer above the fluorescence coating.
The production method of making the above-mentioned led light source substrate of right comprises following step:
A. make substrate: according to fluorescent lamp needs size, adopt the good conductor of heat to produce surface smoothness and require substrate less than 0.005mm, then at the reflector of some bowls of cup-shaped of substrate surface punching press, in cup, plate silver as reflector layer, adopt anodic oxidation or the magnetron sputtering technique place except that reflector on substrate to make the heat conductive insulating layer, on the heat conductive insulating layer, lay circuit and solder joint again, and then substrate surface covers the fire proofing that one deck has the FR4 grade, material surface covering one deck white paint;
B. make light source: put bonding agent or scolding tin in the reflector on substrate, according to certain orientation, order luminescent wafer is put into reflector, baking or heating make wafer be completely fixed in reflector cup bottom again, adopt lead to connect chip electrode is connected with solder joint on the circuit; Last wafer surface in the bowl cup covers fluorescence coating, is coated with silica gel or epoxy resin protective layer on fluorescence coating, and so complete led light source substrate has just been finished.
As preferably, the coverage mode of described silica gel or epoxy resin protective layer can adopt frictioning mode or some glue mode.
Adopt the fluorescent lamp of above-mentioned led light source substrate manufacture to comprise fluorescent tube, these fluorescent tube two ends respectively have a plug, and plug is provided with two extraction electrodes, at the fluorescent tube internal fixation substrate is arranged, and the deposited copper electrode on this substrate is electrically connected with extraction electrode.
Light source substrate of the present invention has light conversion efficiency height, energy-conserving and environment-protective, no noxious substance, reliability advantages of higher, and is positioned over the fluorescent tube outside because light source drives, and caloric value is little, and power consumption is lower than more than 50% of traditional fluorescent lamp.Led light source substrate of the present invention can be applicable to production and use as different size fluorescent lamps such as T5, T4, T8, T10 according to actual needs simultaneously.
Description of drawings
Fig. 1 is the front view of moulding reflector metacoxal plate of the present invention;
Fig. 2 is the light source substrate front view after the present invention completes;
Fig. 3 is the A-A cutaway view of light source substrate shown in Figure 2;
Fig. 4 is a B shown in Figure 3 place partial enlarged drawing;
Fig. 5 is a fluorescent tube assembly drawing of the present invention;
Fig. 6 is the circuit theory diagrams of light source substrate shown in Figure 2;
Fig. 7 is the structural representation of fluorescent tube shown in Figure 5 and support combination;
Fig. 8 is a kind of user mode figure of fluorescent lamp of the present invention.
Embodiment
Below in conjunction with execution mode the present invention is further described in detail:
Fig. 1 is the front view of moulding reflector metacoxal plate 1 of the present invention.As seen from the figure, substrate 1 upper punch of the present invention is pressed with a plurality of reflectors 5.Substrate 1 adopts metallic material of aluminum or copper or magnesium (or aluminium or copper or magnesium alloy materials) to make, and other hot good conductor also can as the novel metalloid material certainly.
Fig. 2 is the light source substrate front view after the present invention completes, and Fig. 3 is the A-A profile of the light source substrate after completing, and Fig. 4 is the light source substrate B place partial enlarged drawing after completing.By Fig. 2 in conjunction with Fig. 3, Fig. 4 as can be known, substrate 1 surface is provided with heat conductive insulating layer 7, is laid with circuit 6 and solder joint 2 on the heat conductive insulating layer 7, and two on the luminescent wafer 4 drawn lead 10 difference seam on the solder joint 2 of correspondence; Also covering one deck on insulating barrier 7 will lay the FR4 flame resistant material 8 that circuit 6 covers (FR4 will be a kind of code name of flame resistant material grade, the meaning of representative is a resin material must can be from a kind of material specification of horizontal blanking through fired state, the used FR4 grade material of general circuit plate just has very many kinds at present, but majority all is the epoxy resin with so-called four functions (Tera-Function) adds the composite material that filler (Filler) and glass fibre are made), FR4 material 8 surface coverage one deck white paint 12.Parabola is coated with silver formation reflector layer 3 in the reflector 5, and 5 ends of reflector are fixed with luminescent wafer 4, and wafer 4 surface coverage have fluorescence coating 9, are coated with silica gel or epoxy resin protective layer 11 above the fluorescence coating 9.
Be the manufacture method of light source substrate 100 below.Need size according to fluorescent lamp (other demands such as T10, T8, T5), make the substrate 1 of surface evening (evenness requires less than 0.005 scope), according to the even light mixing demand, reflector 5 in the some quantity bowls of substrate 1 surperficial punching press cup-shaped, size is not limit, arrangement mode does not limit, and 5 glasss of dark dimensional accuracies of reflector are in ± 0.04mm scope.Silver-plated or other are reflective, the good material of heat conductivility constitutes reflector layer 3 in cup, the outer technologies such as anodic oxidation or magnetron sputtering that adopt of the cup of reflector 5 are made high heat conductive insulating layer 7, as on aluminium alloy base plate 1, forming heat conductive insulating layer 7 (pellumina) in anodised mode, or utilize magnetron sputtering aluminium nitride to be splashed to formation heat conductive insulating layer 7 (aluminium nitride film) on the substrates 1 such as aluminium, copper, perhaps on substrate 1, directly lay heat conductive insulating silica gel as heat conductive insulating layer 7.
On insulating barrier 7, lay circuit 6 and solder joint 2, and then substrate 1 surface coverage one deck FR4 insulating material 8.During covering, reflector 5 and solder joint 2 positions need be reserved, must not cover, cover the shape need rule simultaneously, form fence like this one, be beneficial to smear fluorescent material.Tectal thickness and evenness need be controlled at ± 0.05mm in.In surface coverage one deck white paint 12, be beneficial to the light reflection again.
Then in the reflector on substrate 15 with materials such as bonding agent or scolding tin according to certain orientation, fixed order luminescent wafer 4, again the baking or the heating, wafer 4 is completely fixed, and combines well with reflector 5 bottoms; Adopt the solder joint 2 of the outside connecting circuit of gold thread or other lead connecting wafer electrodes and reflector; The fluorescence coating 9 that materials such as wafer 4 surface coverage fluorescent material in reflector 5 or fluorescence membrane sheet constitute can also increase protective layers 11 such as silica gel or epoxy resin again on the surface.Coverage mode can adopt frictioning mode efficiently, also can adopt accurate some glue mode, keeps the colour consistency of glue amount and finished product.So complete light source substrate 100 is just finished.
Fig. 5 is the fluorescent tube assembly drawing.This fluorescent tube 14 is made by materials such as the PC that certain insulation and light transmission are arranged or POM, PS, PE or polymethyl methacrylate.Its two ends respectively have a plug 17, and plug 17 is provided with two extraction electrodes 13,131, at lampshade 14 internal fixation light source substrate is arranged, and deposited copper electrode on the light source substrate 1 15 is connected with extraction electrode 131 on the plug 17 by lead 16.The circuit theory diagrams of light source substrate can be referring to shown in Figure 6.
Fig. 7 is the structural representation of fluorescent tube and support combination.Light source is set in its support 19 drives (low-voltage direct drive circuit) 19, light source drives on the sheet metal 24 of fluorescent lamp fixed connecting base that 19 output line 21 is connected support 18 two ends, light source drives 19 incoming line 20 and support 18 two ends sockets, 23 interior electrodes 22 and is connected, civil power plug terminal 25 inserts in the socket 23, the opening power energising can be lighted the LED fluorescent lamp.
Fig. 8 is a kind of user mode figure of fluorescent lamp of the present invention.As shown in Figure 8, this LED fluorescent lamp can also connect many fluorescent lamps arbitrarily by the plug terminal at support 20 two ends, uses with convenient.
Claims (7)
1. Novel LED light source substrate, comprise substrate, it is characterized in that described substrate adopts good thermal conductor to make, the substrate upper punch is pressed with a plurality of reflectors, and parabola is coated with reflector layer in the cup, is fixed with luminescent wafer at the bottom of the reflector, substrate surface is provided with the heat conductive insulating layer, be laid with circuit and solder joint on the heat conductive insulating layer, also cover one deck and will lay the FR4 flame resistant material that circuit covers on insulating barrier, two on the described luminescent wafer drawn the seam of lead difference on the solder joint of correspondence.
2. Novel LED light source substrate according to claim 1, described substrate adopt metal material to make.
3. Novel LED light source substrate according to claim 1 is characterized in that described FR4 flame resistant material surface coverage one deck white paint.
4. Novel LED light source substrate according to claim 1 and 2 is characterized in that described wafer surface is coated with fluorescence coating, is coated with silica gel or epoxy resin protective layer above the fluorescence coating.
5. make claim 1 or 2 or the production method of 3 or 4 described led light source substrates for one kind, it is characterized in that comprising following step:
A. make substrate: according to fluorescent lamp needs size, adopt the good conductor of heat to produce surface smoothness and require substrate less than 0.005mm, then at the reflector of some bowls of cup-shaped of substrate surface punching press, in cup, plate silver as reflector layer, adopt anodic oxidation or the magnetron sputtering technique place except that reflector on substrate to make the heat conductive insulating layer, on the heat conductive insulating layer, lay circuit and solder joint again, and then substrate surface covers the fire proofing that one deck has the FR4 grade, material surface covering one deck white paint;
B. make light source: put bonding agent or scolding tin in the reflector on substrate, according to certain orientation, order luminescent wafer is put into reflector, baking or heating make wafer be completely fixed in reflector cup bottom again, adopt lead to connect chip electrode is connected with solder joint on the circuit; Last wafer surface in the bowl cup covers fluorescence coating, is coated with silica gel or epoxy resin protective layer on fluorescence coating, and so complete led light source substrate has just been finished.
6. the production method of led light source substrate according to claim 3 is characterized in that the coverage mode of described silica gel or epoxy resin protective layer can adopt frictioning mode or some glue mode.
7. fluorescent lamp that adopts claim 1 or 2 or 3 or 4 described Novel LED light source substrates to make, comprise fluorescent tube, these fluorescent tube two ends of its feature respectively have a plug, plug is provided with two extraction electrodes, at the fluorescent tube internal fixation substrate is arranged, the deposited copper electrode on this substrate is electrically connected with extraction electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010110554A CN101800279A (en) | 2010-02-08 | 2010-02-08 | Novel LED light source substrate, production method thereof and applied fluorescent lamp thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010110554A CN101800279A (en) | 2010-02-08 | 2010-02-08 | Novel LED light source substrate, production method thereof and applied fluorescent lamp thereof |
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| CN101800279A true CN101800279A (en) | 2010-08-11 |
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| CN201010110554A Pending CN101800279A (en) | 2010-02-08 | 2010-02-08 | Novel LED light source substrate, production method thereof and applied fluorescent lamp thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114831A (en) * | 2015-07-21 | 2015-12-02 | 中山市优米照明科技有限公司 | LED light source with LED light source substrate |
| CN108873480A (en) * | 2018-08-01 | 2018-11-23 | 京东方科技集团股份有限公司 | A kind of LED light source, backlight and display device |
-
2010
- 2010-02-08 CN CN201010110554A patent/CN101800279A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114831A (en) * | 2015-07-21 | 2015-12-02 | 中山市优米照明科技有限公司 | LED light source with LED light source substrate |
| CN108873480A (en) * | 2018-08-01 | 2018-11-23 | 京东方科技集团股份有限公司 | A kind of LED light source, backlight and display device |
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Application publication date: 20100811 |