CN102709149A - Fluorescent lamp and the manufacturing method thereof - Google Patents

Fluorescent lamp and the manufacturing method thereof Download PDF

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Publication number
CN102709149A
CN102709149A CN2011104022400A CN201110402240A CN102709149A CN 102709149 A CN102709149 A CN 102709149A CN 2011104022400 A CN2011104022400 A CN 2011104022400A CN 201110402240 A CN201110402240 A CN 201110402240A CN 102709149 A CN102709149 A CN 102709149A
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silicon dioxide
fluorescent lamp
dioxide granule
luminescent coating
luminous tube
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CN2011104022400A
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CN102709149B (en
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松泽聪司
竹添法隆
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Ushio Denki KK
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Ushio Denki KK
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/38Devices for influencing the colour or wavelength of the light
    • H01J61/42Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/30Vessels; Containers
    • H01J61/35Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22Applying luminescent coatings

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Luminescent Compositions (AREA)

Abstract

The invention provides a fluorescent lamp structure and the manufacturing method thereof, comprising a luminous tube composed of silica glass and a fluorescent layer emitting ultraviolet light by excitation. The method of reducing firing steps in the manufacturing process for one-time completion reduces manufacturing cost and shortens time, and firmly keeps fluorescent layer formed at luminous tube. The feature of the invention includes the fluorescent layer comprising of fluorescent particles and silicon dioxide particles. The average particle size of silicon dioxide particle included in the fluorescent layer is 10-100nm while the proportion contained in the fluorescent layer is 2-20wt%. The average particle size of silicon dioxide particle is 10-50nm. In addition, the features in the manufacturing method of fluorescent lamp of this invention is the combination of fluorescent particle, silicon dioxide particle and organic solvent for modulating fluorescent coating liquid coated on the tube composed of silica glass for carrying out drying and firing process.

Description

Fluorescent lamp and manufacturing approach thereof
Technical field
The present invention relates to fluorescent lamp and manufacturing approach thereof, especially relate to the fluorescent lamp and the manufacturing approach thereof of emitting ultraviolet light.
Background technology
Recently, various fields such as the hardening of resin of photocatalyst, broad sense, degerming, beauty treatment, medical treatment have utilized near the ultraviolet light of wavelength 300nm.The light source of this light, near use will have intensity peak wavelength 250~380nm phosphor coated is in the fluorescent lamp of luminous tube inner surface.
The fluorescent lamp of this kind emitting ultraviolet light; In luminous tube, obtain the relatively short for example ultraviolet light below the 200nm of wavelength through discharge, with this UV-irradiation in luminescent coating and encourage this fluorophor; And be transformed into the for example light of above-mentioned 250~380nm of particular wavelength region; The ultraviolet light transmission luminescent coating and the luminous tube of resulting particular wavelength region thus, and be radiated to the outside, identical on the principle with the fluorescent lamp that obtains visible light.
Yet; In the fluorescent lamp of emitting ultraviolet light; For example, radiate near the relatively fluorescent lamp of short ultraviolet light of the wavelength of above-mentioned wavelength 250~380nm, can cause this ultraviolet light to be absorbed because constitute the glass material of luminous tube; Therefore in order to radiate this ultraviolet light effectively, hope can constitute luminous tube with quartz glass.
Yet,, exist to be difficult to make fluorophor stably to remain in the problem of the luminous tube that constitutes by quartz glass because the softening point of quartz glass is higher.
Therefore; For example; Shown in the technology of TOHKEMY 2010-056007 communique (patent documentation 1) and TOHKEMY 2010-153054 communique (patent documentation 2), be employed in the technology that the very thin low-melting glassy layer of formation on the quartz glass improves the closely connected property of fluorophor and quartz glass.
Wherein, the technology that patent documentation 1 is put down in writing, the stage before the coating fluorophor, the thin layer of sintering, the low-melting glass powder of formation on the inner peripheral surface of luminous tube, thereafter, the coating phosphor slurry is carried out the structure of sintering again.Through this structure, can the sintering temperature of fluorophor be suppressed in lower, and stably remain in the luminous tube of quartz glass system, with reference to Figure 10, Figure 11, describe to this technology.
Figure 10 is the profile that the fluorescent lamp 20 with prior art cuts off from vertical direction with respect to tubular axis, (A) is whole profile, (B) is the amplification profile of other X portion.Luminous tube 21 is made up of quartz glass, is formed with the layer 22 of low-melting glass powder within it on the surface, and lamination has luminescent coating 23 above that.And, be equipped with relative pair of external electrodes 24,24 at the outer wall of luminous tube 21.
This kind fluorescent lamp is roughly accordinged to the order of the flow chart of manufacturing process shown in Figure 11 and is made.
Shown in figure 11, at first, (1) modulation glass powder slurries, (2) are coated it quartz glass pipe internal surface and are carried out drying.(3) in order to make the glass powder layer be fixed in quartz glass tube and carry out sintering, cooling with high temperature.The condition of its sintering is about 500~1000 ℃, behind the arrival specified temp, keeps 0.2~1h.
Secondly, (4) modulation fluorophor slurries, (5) are coated it quartz glass tube that is formed with low-melting glass powder layer and are carried out drying.Thereafter, sintering, cooling are carried out in (6).Its sintering temperature is about 500~800 ℃, keeps 0.2~1h.So, after (7) form luminous tube, carry out the inner exhaust of luminous tube, the specific inclosure thing of inclosure rare gas etc. also carries out sealing.And fluorescent lamp is promptly accomplished at the outside electrode that forms of luminous tube in (8).
Like this; In above-mentioned technology; The stage that the luminous tube inner surface that need be implemented in quartz glass system forms low melting point glass layer is implemented operation, and 2 times the heating treatment step of follow-up fluorophor sintering circuit of heat to luminous tube, thereby has manufacturing process to need big heat and the problem of activity duration.
Patent documentation 1 TOHKEMY 2010-056007 communique
Patent documentation 2 TOHKEMY 2010-153054 communiques
Summary of the invention
The present invention is in order to solve above-mentioned prior art problems point; Possesses the luminous tube that constitutes by quartz glass and the fluorescent lamp of the luminescent coating of emitting ultraviolet light and provide owing to be energized; During fabrication; Can reduce sintering circuit and only implement 1 time getting final product, not only can suppress manufacturing cost and time lower, and make luminescent coating strong and stably keep, be formed at the structure and the manufacturing approach thereof of the fluorescent lamp of luminous tube.
In view of above-mentioned prior art problems point and in order to solve above-mentioned problem, of the present invention being characterized as, the luminescent coating that is formed at the luminous tube inner surface contains fluorophor particle and silicon dioxide granule.
In addition, it is characterized by, the average grain diameter of the silicon dioxide granule that above-mentioned luminescent coating contained is 10~100nm, and the ratio that above-mentioned silicon dioxide granule contains in above-mentioned luminescent coating is 2~20wt%.
In addition, it is characterized by, the average grain diameter of the silicon dioxide granule that above-mentioned luminescent coating contained is 10~50nm.
In addition, being characterized as of the ultraviolet fluorescent lamp manufacturing method of radiation of the present invention comprises: mixing phosphor particle and silicon dioxide granule and organic solvent are modulated the operation of phosphor coated liquid; Above-mentioned phosphor coated liquid is coated the operation of the pipe that constitutes by quartz glass; And after making above-mentioned phosphor coated liquid drying, carry out the operation of the sintering of fluorophor and silicon dioxide granule.
In addition, it is characterized in that, in the operation of the above-mentioned phosphor coated liquid of modulation, use and implemented the surface-treated silicon dioxide granule with silane coupler.
According to fluorescent lamp of the present invention; Because luminescent coating is made up of fluorophor particle and silicon dioxide granule; In its manufacturing process, need not through being used for forming the heat-agglomerating operation of low melting point glass layer, as long as directly luminescent coating coated luminous tube and to carry out an operation of sintering; Can have sufficient adhibit quality and stably be attached to luminous tube, and can provide productivity good fluorescent lamp with low in calories.
And; Because the average grain diameter of silicon dioxide granule is 10~100nm, the ratio that silicon dioxide contains in luminescent coating is 2~20wt%, not only can improve above-mentioned adhibit quality; Also can reduce the diffusion of the ultraviolet light that silicon dioxide granule causes; And with more than the prior art or the intensity of its equal extent come emitting ultraviolet light, more preferably make average grain diameter become 10~50nm, obtain the above ultraviolet ray intensity of prior art.
According to fluorescent lamp manufacturing method of the present invention; Possessing the luminous tube that constitutes by quartz glass and in the fluorescent lamp of emitting ultraviolet light; During fabrication; Can reduce sintering circuit and only implement 1 time getting final product, not only can suppress manufacturing cost and time lower, and can make luminescent coating strong and stably keep, be formed at luminous tube.
Description of drawings
Fig. 1 is the overall perspective view of fluorescent lamp of the present invention.
Fig. 2 is the drawing in side sectional elevation of Fig. 1.
Fig. 3 is the amplification profile of the A portion of Fig. 2.
Fig. 4 is the flow chart of fluorescent lamp manufacturing method of the present invention.
Fig. 5 is the profile of other embodiment of the present invention.
Fig. 6 is the amplification profile of the B portion of Fig. 5.
Fig. 7 is the table of the experimental result of expression effect of the present invention.
Fig. 8 is the device example that is used for measuring the adhibit quality of fluorescent lamp of the present invention.
Fig. 9 is the device example that is used for measuring the ultraviolet light illumination of fluorescent lamp of the present invention.
Figure 10 is the profile of existing example.
Figure 11 is the flow chart of the manufacturing approach of existing example.
Embodiment
Fig. 1 is the stereogram of the integral body of expression fluorescent lamp of the present invention, and Fig. 2 is its drawing in side sectional elevation, and Fig. 3 is the A portion amplification profile of Fig. 2.
In the drawings, fluorescent lamp 1 possesses the discharge space of essentially rectangular case shape, and upper surface and lower surface had the luminous tube 2 that the radioparent dielectric medium of ultraviolet light constitutes by quartz glass etc. possess a pair of outer electrode 3,4.
In luminous tube 2, enclosing has the excimer discharge of specific enclosed volume to use gas, and for example, the xenon-133 gas of enclosing 10~70kPa is as discharge gas.Certainly, also can mix other rare gas.
Be formed at the upper surface of luminous tube 2 and the electrode 3,4 of lower surface, for example utilize metal such as aluminium to attach and form, constitute for example netted so that the ultraviolet light transmissive that generates in the empty electricity of discharge with printing, vapor deposition or paper tinsel shape.
In addition, be formed at the electrode of the not radiating light side of luminous tube 2, need not transmitance, can be the so-called solid shape electrode of aluminium strip etc., as shown in the drawing for the convenience on making during this example, both sides constitute possesses light transmission.
And; In luminous tube 2, be formed with luminescent coating 5; As shown in Figure 3; This luminescent coating 5 is sneaked into the particle footpath and is made less than the silicon dioxide granule 7 of this fluorophor particle 6, and constitutes luminescent coating with the state of filling silicon dioxide granule 7 in the gap of fluorophor particle 6 in fluorophor particle 6.
Fill silicon dioxide granule 7 with the gap between the fluorophor particle 6 of luminescent coating 5, thereby make this fluorophor particle 6 adhibit quality each other become good, and increase the intensity of luminescent coating 5, thereby suppress peeling off of this luminescent coating 5.
Here, fluorophor particle 6 can use general employed fluorophor, enumerates an example of particle diameter, and for example, particle diameter is 1~20 μ m, and average grain diameter is 2~10 μ m.
The silicon dioxide granule 7 that luminescent coating 5 is contained uses the particle of particle diameter less than above-mentioned fluorophor particle 6, and for example, particle diameter is number nm~200nm, and average grain diameter is 10~100nm.
In addition, in this specification, particle diameter is meant the primary particle footpath of particle, and average grain diameter is meant that then the accumulating weight percentage is 50% particle diameter (that is intermediate value directly).
In addition; In above-mentioned Fig. 2, luminescent coating 5 is formed at the whole inner peripheral surface of luminous tube 2, yet is not limited to this; Can not form this luminescent coating 5 yet, and peristome is used as and the formation of taking out ultraviolet light from this part in this zone for a part at the circumferencial direction of luminous tube 2.
In addition, luminous tube 2 be shaped as the flat quadrangle shape of section, yet, be not limited to this, for example, section also can be circle.
The scope of the preferred average grain diameter of above-mentioned silicon dioxide granule 7 is 10~100nm, and the ratio of the silicon dioxide granule 7 that is contained as luminescent coating 5 is preferably in the scope of 2~20wt%.Shown in it the reasons are as follows.At first, make the scope of ratio more than 2wt% of silicon dioxide granule 7, when comparing, can make the adherence force of its inwall that becomes luminescent coating 5 and luminous tube 2 be equal above fluorescent lamp with existing fluorescent lamp (fluorescent lamp that possesses low melting point glass layer).On the other hand, containing of silicon dioxide granule 7 is proportional more, and the influence of the scattered reflection that this silicon dioxide granule 7 is caused is big more, presents the tendency that tails off from the light of light taking-up portion radiation, therefore from keeping the practical efficient of lamp, preferably below the 20wt%.
In addition, the emission efficiency of ultraviolet light also can receive the influence of the particle diameter (average grain diameter) of silicon dioxide, and it is excessive, and the ultraviolet delivery efficiency of light emission face presents the tendency of reduction.Therefore, preferably using average grain diameter is the silicon dioxide granule of 10~50nm, with existing fluorescent lamp (fluorescent lamp that possesses low melting point glass layer) when comparing, can realize the emission efficiency of equal above ultraviolet light.
With reference to the flow chart of Fig. 4, describe to fluorescent lamp manufacturing method of the present invention.
(1), this powder in the organic solvent that for example is made up of nitrocellulose, butyl acetate, is fully stirred and makes phosphor slurry (coating fluid) with special ratios mixing phosphor particle and silicon dioxide granule.At this moment, fully spread, preferably to the surface treatment of silica particle surface embodiment like the use silane coupler in order to make silicon dioxide granule.
(2) glass tube of using at luminous tube is coated with phosphor slurry (coating fluid) and carries out drying.
(3) after the drying, implement the sintering of luminescent coating and cool off with about 500~800 ℃, 0.2~2h.
(4) exhaust is carried out in luminous tube inside and enclose specific inclosure thing (rare gas etc.) and seal (tip-off, sealing).
(5) secondly, for example, utilize the material of gold, silver, aluminium, nickel etc. to form electrode, promptly accomplish fluorescent lamp with methods such as vacuum evaporation, silk screen printings.In addition, electrode also can use aluminium strip etc.
Like this,,, form the necessary sintering circuit of low melting point glass layer, therefore can provide productivity good fluorescent lamp because can omit compared to the method for making (with reference to Figure 11) of prior art according to fluorescent lamp of the present invention.
Fig. 5 and Fig. 6 are the figure of the fluorescent lamp of explanation other embodiment of the present invention.
Fig. 5 representes the drawing in side sectional elevation that vertically cuts off with respect to tubular axis.The downside of the luminous tube 2 of this fluorescent lamp is the face of radiating light one side.In order to take out light from downside, except light taking-up portion 9, between luminous tube 2 and luminescent coating 5, be formed with ultraviolet light reflector 8 with good efficiencies.
As shown in Figure 6, the reflector shown in the above-mentioned patent documentation 2 can be used in this kind ultraviolet light reflector 8, is made up of stuff and other stuff of silicon dioxide granule or silicon dioxide granule and aluminium oxide particles etc.When only using silicon dioxide granule, be that the layer of about 10~30 μ m constitutes for for example 0.1~0.6 μ m, thickness by average grain diameter.
Through this kind formation, the ultraviolet light that luminescent coating 5 is generated reflects in this reflector 8, and radiates from the light taking-up portion 9 of bottom efficiently.
Secondly, implement to be used for verifying the test of effect of the present invention.
< making of test portion >
With the various particle diameter and the mixed proportion of silicon dioxide granule, make the test portion of fluorescent lamp of the present invention.At first, fluorophor particle and silicon dioxide granule are mixed in organic solvent, modulate the coating fluid of fluorophor with special ratios.
The coating fluid of modulation all is 20 kinds; As shown in Figure 7; Test portion 1~test portion 5 uses average grain diameter 10nm, and test portion 6~test portion 10 uses average grain diameter 15nm, and test portion 11~test portion 15 uses average grain diameter 50nm; Test portion 16~test portion 20 uses the silicon dioxide granule of average grain diameter 100nm; In addition, be respectively the lamp of the silicon dioxide granule of identical average grain diameter to use, the mode that is respectively 1wt%, 2wt%, 5wt%, 10wt%, 20wt% with the mixing ratio of the silicon dioxide granule that luminescent coating was contained is made.
Employed silicon dioxide granule is to have implemented the surface-treated particle with silane coupler in advance, and solvent uses vinyl silane.Like this, with silane coupler silicon dioxide granule is implemented surface treatment in advance, and silicon dioxide granule can equalization be scattered in the coating fluid.This coating fluid is coated in the glass tube of test portion of external diameter 10mm, thickness 1mm, carry out drying after, implement sintering and become luminescent coating with 600 ℃.
In addition; Make the test portion (below, be called prior art test portion 1) of the prior art that constitutes by glassy layer and luminescent coating (not containing silicon dioxide granule) of comparative example, in addition; After the inner surface of glass tube forms the low melting point glass layer of 10 μ m; Form the luminescent coating that does not contain silicon dioxide granule of thickness 15 μ m, make the test portion (below, be called prior art test portion 2) of other prior aries.
In addition, all the fluorophor in the test portion all uses the lanthanum-magnesium aluminate (La-Mg-Al:Ce) of cerium activation, and particle directly is 2~15 μ m, and average grain diameter is 5.5 μ m.
< resistance to impact test >
In order to check the attachment state of fluorophor, implement the resistance to impact test.
Test is carried out as follows: will be stood vertically by the glass tube that the quartz glass that is coated with fluorophor constitutes, make the surface of glass tube to the flat board of the resin system that falls to thickness 10mm (for example, phenol resin).Fall distance and be 50mm.After the duplicate test 10 times, whether peel off with the Visual Confirmation luminescent coating.
Shown in the hurdle of the resistance to impact of Fig. 7 test, the result of resistance to impact test, zero for unconfirmed to the peeling off of luminescent coating, * be to confirm peeling off to luminescent coating.According to this test, the luminescent coating in the prior art test portion 1 is peeled off and can't be constituted fluorescent lamp.
< adhibit quality test >
Then, the check luminescent coating is to the degree of the adhibit quality of luminous tube.
According to formation shown in Figure 8, the inside that the air nozzle 10 of internal diameter 2mm is inserted the glass tube 2 that is formed with luminescent coating 5 is from the nozzle blow out air.Improve the air that blows out gradually and press, the air of the nozzle 10 that mensuration luminescent coating 5 is peeled off is pressed.
As a result, shown in the hurdle that the adhibit quality of Fig. 7 is tested.Can learn that by this experiment the mixing ratio of silicon dioxide granule is few 1wt% degree, can't bring into play the desired paste functionality of luminous tube; The adherence force of luminescent coating is not enough; Yet 2wt% is above, and its adherence force equates with prior art test portion 2 or more than it.
In addition, be not that representative is peeled off at the 0.50MPa luminescent coating more than 0.50 in the table (MPa), but representative does not experimentize with the pressure more than it.
In addition, to prior art test portion 1, in the test of above-mentioned resistance to impact, luminescent coating is all peeled off, therefore do not implement this adhibit quality test and after the ultraviolet ray intensity test stated.
<ultraviolet ray intensity test >
According to The above results,, apply the bright lamp experiment that high frequency voltage carries out lamp with the next actual fluorescent lamp that constitutes of the test portion of prior art test portion 2 and test portion 1~test portion 16 of the present invention.The outward appearance of the fluorescent lamp of made is as shown in Figure 1, and luminous tube inside then is formation shown in Figure 5.
Shown in Figure 9, the light taking-up portion 9 configuration illuminance meters at this fluorescent lamp 1 carry out illumination photometry.The size of luminous tube, at first whole size is 14 * 42 * 650mm, the thickness that constitutes the quartz glass of luminous tube is 2mm.
In addition, during this experiment,, set ultraviolet light reflector 8 except luminous tube inner surface as the part the long limit face of the luminous tube 2 of light taking-up portion 9.This ultraviolet light reflector 8 is formed by silicon dioxide granule, and particle directly is 0.1~0.6 μ m, and average grain diameter is 0.25 μ m, and the thickness in ultraviolet light reflector is 30 μ m.
Fluorophor uses the lanthanum-magnesium aluminate (La-Mg-Al:Ce) of cerium activation, and particle directly is 2~15 μ m, and average grain diameter is 5.5 μ m.Modulate the coating fluid of fluorophor with the operation identical, coat the luminous tube inner surface and carry out drying, sintering and form with said method.Final thickness of phosphor layer is 15 μ m.
So, after the luminous tube inner surface forms ultraviolet light reflector and luminescent coating, xenon is enclosed luminous tube inside with 53kPa be used as luminous gas, the cancellate electrode that is made up of metal is set at the outer surface of luminous tube.Electrode is of a size of 32 * 500mm.
To above-mentioned formation, according to following sequential determination ultraviolet light illumination.
At first, with the relative position of central portion of light outgoing portion, apart from the fixing optical splitter light accepting part 11 in lamp 1 surperficial 5mm place.Optical splitter light accepting part 11 is connected in optical splitter (all not shown) with optical fiber.Apply ac high voltage between the electrode to lamp, discharged in discharge vessel inside, measure through the ultraviolet light of clathrate electrode 4 from 9 radiation of light taking-up portion.
Lamp is input as 250W.
Use comes the comparison ultraviolet ray intensity by the value of the illumination of the mensuration spectrum accumulative total 300~400nm of optical splitter.
Employing is 100 o'clock a relative value with the ultraviolet light illumination of the lamp of the prior art test portion 2 that possesses glassy layer and luminescent coating (not containing silicon dioxide granule), and the mensuration result of the ultraviolet light illumination of the lamp of test portion 1~20 is shown in the hurdle of the ultraviolet ray intensity of Fig. 7.
As a result, the average grain diameter of the silicon dioxide granule that luminescent coating contained is that 10nm is above, can judge that ultraviolet ray intensity is higher than the existing lamp of prior art.But average grain diameter is that 100nm is above, and ultraviolet ray intensity reduces a little, but the practical not problem that goes up.
Shown in above explanation; Fluorescent lamp of the present invention; Through constituting luminescent coating with fluorophor particle and silicon dioxide granule, when on luminous tube, forming luminescent coating, the operation of sintering luminescent coating only needs 1 time; Compared to 2 sintering circuits of the sintering of existing sintering that must carry out low melting point glass layer and luminescent coating, its flow chart significantly is improved.
And; Average grain diameter through making the silicon dioxide granule that above-mentioned luminescent coating contains is 10~100nm; Mixing ratio is 2~20wt%, can improve the adherence force of luminescent coating to luminous tube, and more preferably making average grain diameter is 10~50nm; Not only above-mentioned adherence force is better, also has the effect of ultraviolet ray intensity greater than prior art simultaneously.

Claims (5)

1. fluorescent lamp possesses the luminous tube that is made up of quartz glass and owing to be energized and the luminescent coating of emitting ultraviolet light, it is characterized by:
Above-mentioned luminescent coating contains fluorophor particle and silicon dioxide granule.
2. fluorescent lamp as claimed in claim 1, wherein,
The average grain diameter of the silicon dioxide granule that above-mentioned luminescent coating contained is 10~100nm, and the ratio that above-mentioned silicon dioxide granule contains in above-mentioned luminescent coating is 2~20wt%.
3. fluorescent lamp as claimed in claim 2, wherein,
The average grain diameter of the silicon dioxide granule that above-mentioned luminescent coating contained is 10~50nm.
4. a fluorescent lamp manufacturing method is the ultraviolet fluorescent lamp manufacturing method of radiation, it is characterized by and contains:
Mixing phosphor particle and silicon dioxide granule and organic solvent are modulated the operation of phosphor coated liquid;
Above-mentioned phosphor coated liquid is coated the operation of the pipe that constitutes by quartz glass; And
After making above-mentioned phosphor coated liquid drying, carry out the operation of the sintering of fluorophor and silicon dioxide granule.
5. fluorescent lamp manufacturing method as claimed in claim 4, wherein,
In the operation of the above-mentioned phosphor coated liquid of modulation, use and implemented the surface-treated silicon dioxide granule with silane coupler.
CN201110402240.0A 2010-12-07 2011-12-06 Fluorescent lamp and manufacture method thereof Expired - Fee Related CN102709149B (en)

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JP2010272219A JP5712588B2 (en) 2010-12-07 2010-12-07 Fluorescent lamp and manufacturing method thereof

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CN101268120A (en) * 2005-09-22 2008-09-17 三菱化学株式会社 Member for semiconductor light-emitting device, method of manufacturing the same, and semiconductor light-emitting device using the same
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JP2012123960A (en) 2012-06-28
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JP5712588B2 (en) 2015-05-07
TW201225151A (en) 2012-06-16
KR20120063428A (en) 2012-06-15

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