CN103762152A - Double-layer nested electrodeless sodium-mercury double-layer electric-discharge lamp - Google Patents
Double-layer nested electrodeless sodium-mercury double-layer electric-discharge lamp Download PDFInfo
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- CN103762152A CN103762152A CN201410059963.9A CN201410059963A CN103762152A CN 103762152 A CN103762152 A CN 103762152A CN 201410059963 A CN201410059963 A CN 201410059963A CN 103762152 A CN103762152 A CN 103762152A
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Abstract
The invention provides a double-layer nested electrodeless sodium-mercury double-layer electric-discharge lamp. The double-layer electric-discharge lamp comprises a lamp tube and a magnetic core, wherein the lamp tube comprises an outer bulb body and an inner bulb body embedded into the outer bulb body, the inner bulb body is concaved inwards to form a cavity, the inner bulb body is filled with elementary substance sodium, and amalgam is arranged in the outer bulb body; the magnetic core is inserted in the cavity, coils are wound outside the magnetic core to generate an induction electromagnetic field, and the induction electromagnetic field couples sodium atoms in the inner bulb body and mercury atoms in the outer bulb body to give out light and discharge electricity. It can be ensured that the sodium atoms and the mercury atoms reach the optimum electric-discharge and light-giving condition, arrangement of electrodes is not needed, service life of a light source can be prolonged significantly, and stability of long-term usage can be improved significantly.
Description
Technical field
The present invention relates to the double-deck discharge lamp of the electrodeless sodium mercury of a kind of double-layer nested formula.
Background technology
Non-polarized lamp, as the illuminating product of a kind of long-life, non-maintaining, high light efficiency and high-color rendering, is accepted extensively by domestic and international market.Conventional Non-polarized lamp is by induction be coupled mercury element in fluorescent tube and then a kind of electric light source products of light emitting discharge.It launches the electromagnetic wave of radio-frequency region by high frequency magnetic core, coupling excites the discharging substance (as mercury atom) in fluorescent tube, and then the 253.7nm ultraviolet ray that mercury atom is launched can effectively excite the light of three primary colors or other spectrum components to throw light on.Because Non-polarized lamp itself does not have electrode, thus can guarantee under its long-term (5 years or longer time) service condition stable, without features such as replacements.Product all has remarkable result in factory floor illumination, road/tunnel illumination and light projector floodlighting engineering.
The mercury of usining at present all carries out proportioning according to the spectral component of fluorescent lamp as the emission spectrum composition of the Non-polarized lamp of light emitting discharge material, by three primary colors fluorescent powder, fill and emission spectrum, its colour temperature is generally between 2700K～6500K, and gold-tinted warm colour throws light on to cold light white-light illuminating.
But this type of Non-polarized lamp at present, its product light efficiency is limited by ultraviolet ray (253.7nm) launching efficiency of mercury element and the transformation efficiency of fluorescent material (as three primary colors fluorescent powder) completely, in this two classes efficiency, all reach in peak situation, substantially the luminous efficiency of source of product is between 70lm/W-100lm/W, without the theoretical possibility rising again.
And sodium element is as the main discharging substance of traditional gaseous discharge lamp mesolow sodium vapor lamp and high-pressure sodium lamp, during its light emitting discharge, most of emittance all concentrates on the 589.0nm and 589.6nm resonance line of sodium element, suitably choose discharging condition, can obtain very high resoance radiation efficiency.Current low-pressure sodium lamp can reach the above light efficiency of 150lm/W, and high-pressure sodium lamp also can reach the above light efficiency of 110lm/W, and the more conventional mercury of its light efficiency excites Non-polarized lamp will exceed 50% left and right.
The luminous spectrum line of sodium simple substance element concentrates in 589.0nm and 589.6 two gold-tinted line spectrums, although light efficiency is very high, color rendering is very low.Luminous by the high-efficiency fluorescence powder that excites of coupling mercury, the high light efficiency characteristics of luminescence of low pressure that can compatible this two dvielement, guarantees the compatible object of improving of light efficiency and color rendering.But, because the optimal discharge luminescent condition difference of sodium element and mercury element is larger, therefore still do not use at present two kinds of elements and the good product of light emitting discharge effect simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide the double-deck discharge lamp of the electrodeless sodium mercury of a kind of double-layer nested formula, can guarantee that sodium atom and mercury atom all can reach optimal discharge luminescent condition, and without electrode is set, can significantly improve light source life and the long-term stability of using.
For solving the problems of the technologies described above, the invention provides the double-deck discharge lamp of the electrodeless sodium mercury of a kind of double-layer nested formula, comprising:
Fluorescent tube, this fluorescent tube comprises the interior foam of outer foam and this outer foam of embedding, this interior foam concave shaped becomes cavity, in this interior foam, is filled with SODIUM METAL element, in this outer foam, is provided with amalgam;
Magnetic core, inserts in this cavity, and the outer coiling of this magnetic core to be to produce induction field, the sodium atom in the described interior foam of this induction field coupling and the mercury atom light emitting discharge in described outer foam.
According to one embodiment of present invention, the end of described outer foam and the end of described interior foam seal, and described cavity has opening in the end of this interior foam and the end of outer foam, and described magnetic core inserts described cavity via this opening.
According to one embodiment of present invention, described cavity has opening in the end of this interior foam, and described magnetic core inserts described cavity via this opening, and the end of described outer foam seals with the end that is positioned at the magnetic core outside described cavity.
According to one embodiment of present invention, described interior foam coaxially embeds this outer foam, and described interior foam forms described cavity in central axis indent.
According to one embodiment of present invention, during sodium atom light emitting discharge in described interior foam, the air pressure of sodium steam is 0.1Pa～10Pa, and the temperature in interior foam is 200 ℃～300 ℃; During mercury atom light emitting discharge in described outer foam, the air pressure of mercuryvapour is 0.6Pa to 1Pa.
According to one embodiment of present invention, the magnetic flux density of described magnetic core is 50mT to 1000mT, and the coupled electromagnetic field frequency that described magnetic core produces is 30KHZ to 100MHZ.
According to one embodiment of present invention, in described interior foam, be filled with inert gas.
According to one embodiment of present invention, in described outer foam, be filled with inert gas, the inwall of described outer foam is coated with fluorescent material.
According to one embodiment of present invention, the wall cross-section of described interior foam is amassed as 0.2cm
2to 50cm
2.
According to one embodiment of present invention, the material of described interior foam is anti-sodium etching glass, and the material of described outer foam is borosilicate glass.
Compared with prior art, the present invention has the following advantages:
The double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula of the embodiment of the present invention adopts double-layer nested formula fluorescent tube, interior foam utilizes the electric discharge of high-temperature low-pressure sodium steam resonance spectrum, and outer foam utilizes low-temp low-pressure mercury vapour ultraviolet spectra excited light-emitting, make sodium element and mercury element in relatively independent space, can excite two kinds of elements all to reach optimal discharge illumination effect by single magnetic core.
In addition, the double-layer nested formula of the embodiment of the present invention is electrodeless, and the double-deck discharge lamp of sodium mercury adopts induction field to excite sodium atom and mercury atom light emitting discharge, without electrode is set, thereby can greatly improve light source life and the long-term stability of using.
Accompanying drawing explanation
Fig. 1 is the spatial distribution schematic diagram of the induction field that produces of the magnetic core of the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula of the embodiment of the present invention;
Fig. 2 is the structural representation of the fluorescent tube of the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula of first embodiment of the invention;
Fig. 3 is the overall structure schematic diagram of the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula of first embodiment of the invention;
Fig. 4 is the overall structure schematic diagram of the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula of second embodiment of the invention.
Embodiment
Conventionally, sodium element is issued under the condition of 0.4Pa steam pressure 260 ℃ of temperature, can launch the resonance gold-tinted linear light spectral line (589.0nm and 589.6nm) of maximal efficiency, and with this understanding, the intensity of mercury element transmitting ultraviolet 253.7nm spectral line obviously weakens, and effectively excitated fluorescent powder is luminous.
The double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula of the embodiment of the present invention adopts two-layer nested type fluorescent tube, interior foam embeds in outer foam, single magnetic core excites sodium atom in interior foam and the mercury atom light emitting discharge in outer foam, thereby can make two kinds of elements all reach optimal discharge illumination effect.Therefore in addition, sodium element and mercury element are not isolated mutually can react formation sodium amalgam, also just can not adhere to the problems such as fluorescent material causes the inner surface of tube melanism and fluorescent tube light decay is serious.
Below in conjunction with specific embodiments and the drawings, the invention will be further described, but should not limit the scope of the invention with this.
The double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula of the embodiment of the present invention comprises fluorescent tube and magnetic core, and this fluorescent tube is double-deck foam structure, comprises outer foam and interior foam, and wherein interior foam embeds in outer foam, and this interior foam concave shaped becomes cavity.In addition, in this interior foam, be filled with SODIUM METAL element, in this outer foam, be provided with amalgam.In the cavity that in this magnetic core inserts, foam indent forms, the outer coiling of magnetic core to be to produce induction field, the sodium atom in this induction field coupling in foam and the mercury atom light emitting discharge in outer foam.
With reference to figure 1, Fig. 1 shows the spatial distribution of the induction field of magnetic core 11 generations, and magnetic core 11 can be cylindrical, but is not limited to this.The outer coiling 12 of magnetic core 11, magnetic core 11 by outward around coil 12 in alternating voltage induction of signal produce induced field B, the alternating flux in magnetic core 11 further induces the induction field E of magnetic core 11 surrounding spaces again.Induction field E discharges for coupled discharge material, more specifically, and the sodium atom in coupling in foam and the mercury atom light emitting discharge in outer foam.
It should be noted that, the spatial form of the own vol of the double-deck discharge lamp of double-layer nested formula is electrodeless sodium mercury, structural design and induction field coupling can further produce different discharge parameters, for example coupled voltages, induced current etc.
Below in conjunction with specific embodiment, describe.
The first embodiment
With reference to figure 2, as a nonrestrictive example, the shape of interior foam 13 and outer foam 14 can be spherical or olive elliposoidal, but is not limited to this.Interior foam 13 and outer foam 14 can adopt coaxial damascene structures, namely coaxial outer foam 14 inside that embed of interior foam 13.
In conjunction with Fig. 2 and Fig. 3, Fig. 3 shows the overall structure of the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula in the first embodiment, in the cavity 10 that in magnetic core 11 inserts, foam 13 indents form.
The shape of magnetic core 11 is for example cylindrical, insert in the cavity 10 of central axis, but that the shape of magnetic core 11 is not limited to is cylindrical.Normally one of the quantity of the magnetic core 11 in insertion cavity 10, but also can be over one.The outer coiling 12 of magnetic core 11 to be to produce induction field, and then excites the discharging substance in fluorescent tube.
By the selection of material, can be so that magnetic core 11 effectively produce total magnetic flux, its magnetic flux density is preferably between 50mT to 1000mT.The power of product is larger, and the volume of magnetic core 11 also should be larger, to guarantee can be coupled in fluorescent tube enough energy.
The material of magnetic core 11 can be the core materials such as PC95, but is not limited to this.Preferably, in 25 ℃ of situations, when the above coupling frequency of 25KHZ and 200mT magnetic flux density are above, initial permeability is greater than 5000, and unit volume loss is 300KW/m
3.
The calibration of the induction field that magnetic core 11 produces is between 30KHZ to 100MHZ.By exchanging alternate electromagnetic field energy, make the electric discharge atom in fluorescent tube frequently shake motion, increase the collision frequency of plasma, form the electric discharge pilot arc of sodium element and mercury element.
As a preferred example, in interior foam 13, can fill inert gas, for example simple substance neon, simple substance argon gas, simple substance Krypton or its mixing class gas.Preferably, fill after inert gas, in interior foam 13, total gas atmosphere is 10-1000Pa; In addition, the inert gas Penning effect that especially neon argon is mixed to form, can effectively help fluorescent tube to start.
Preferably, the sodium element steam pressure in interior foam 13 is 0.1Pa～10Pa, and the coupled discharge power of unit cubic centimetre is not more than 50W, therefore belong to discharge light with low pressure gas product, its discharge tube current density is generally at 0.02A/cm
2to 2A/cm
2between, for guaranteeing that the loss (sodium ion at tube wall place and electron recombination cause loss) of tube wall place sodium ion is unlikely to too fast increase and causes pipe to press degradation problem under increase, luminous efficiency, also consider the probability of the resonance spectrum radiation absorption of sodium own, the long-pending 0.2cm that is preferably of wall cross-section of interior foam 13
2to 50cm
2between.Discharge tube length is the main key parameter that determines power of lamp tube, is the electrodeless interior foam sodium vapor lamp of low pressure of design 5W to 500W, and the total discharge tube shaft length of fluorescent tube is between 2cm to 30cm.
The inwall of outer foam 14 can be coated with fluorescent material 16, excites the fluorescent material 16 of outer foam 14 inwalls by mercury atom light emitting discharge, thereby produces visible ray.
In a preferred example, in outer foam 14, can be filled with inert gas, for example simple substance neon, simple substance argon gas, simple substance Krypton or its mix class gas, and making the interior total gas atmosphere of outer foam 14 is 10-1000Pa; In addition, the inert gas Penning effect that especially neon argon is mixed to form, can effectively help fluorescent tube to start.
Mercury vapor discharge in outer foam 14, the sodium steam that can effectively heat in interior foam 13, the temperature that makes sodium steam in interior foam 13 is 200 ℃～300 ℃, the air pressure of sodium steam is 0.1Pa～10Pa, maintain the resonance spectrum radiation efficiency (in order to reach optimum efficiency, the optimum temperature of sodium steam is 260 ℃) of sodium atom the best; And the air pressure of mercury vapour in outer foam 14 to be 0.6Pa to 1Pa(optimum is 0.8Pa left and right), thereby make mercury vapour reach the best ultraviolet radiation efficiency of 253.7nm.
In addition, the cold junction 141 of outer foam 14 is minimum temperature points of outer foam, and its temperature has been controlled the temperature of amalgam 15, thereby has controlled the pressure of the mercury vapour in outer foam 14.
The second embodiment
With reference to figure 4, Fig. 4 shows the overall structure of the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula of the second embodiment, and it is basic identical with the structure shown in Fig. 3, also comprises interior foam 13, outer foam 14, magnetic core 11 and coil 12.Wherein, outer foam 14 can have cold junction 141, is provided with amalgam 15 in cold junction 141.The inwall of outer foam 14 can be coated with fluorescent material 16.
The main distinction of the second embodiment and the first embodiment is that magnetic core 11 is with respect to the installation site of interior foam 13 and outer foam 14, in a second embodiment, interior foam 13 concave shaped become cavity, this cavity has opening in the end of interior foam 13, the main part of magnetic core 11 is inserted in cavity by this opening, the end of magnetic core 11 is positioned at outside cavity, and the end of the end of outer foam 14 and this magnetic core 11 seals.In other words, the magnetic core 11 in the second embodiment is by sealing-in outside in foam 14, and its benefit is to guarantee that the caloric value of bar magnet own can be for heating the mercury element steam temperature in the sodium element electric discharge in interior foam 13 and the outer foam 14 of heating.In addition, can regard the structure shown in Fig. 3 as magnetic core outlet structure, and regard the structure shown in Fig. 4 as magnetic core built-in structure.
Adopt the structure of Fig. 4, the sealing-in outside magnetic core 11 in foam 14 and the surface of coil 12 can be carried out deionized water processing, and insert after high-temperature baking, to remove the foreign gases such as steam, oxygen or carbon dioxide of surface attachment, avoid destroying the vacuum inert gas environment in outer foam 14.In addition, coil 12 can be drawn by glass sealing place by metal wires such as NI-CR-MO alloys.
In in the second embodiment, the related content such as the shape of foam 13, outer foam 14 and magnetic core 11, parameter is identical with the first embodiment, repeats no more here.
To sum up, the double-layer nested formula of the embodiment of the present invention is electrodeless, and the double-deck discharge lamp of sodium mercury is processed by electrodelessization, adopts the mode light emitting discharge of magnetic core induction coupling, has guaranteed long-term stability and the life-span of using of product, and the theoretical life-span can approach 100,000 hours.The mode of induction coupling has simultaneously been avoided self power loss of electrode, more increases the luminous efficiency of fluorescent tube, theoretically estimates that the luminous efficiency of sodium element will approach 160lm/W.And the luminous spectrum line of sodium simple substance element concentrates in 589.0nm and 589.6 two gold-tinted line spectrums, although light efficiency is very high, color rendering is lower.The high-efficiency fluorescence powder that the embodiment of the present invention also excites by coupling mercury is luminous, thereby the characteristics of luminescence of compatible sodium element and mercury element had both improved light efficiency, had improved again color rendering.
Sodium element and mercury element be Discharge illuminating in separate cell-shell cavity, guaranteed that two kinds of simple substance atoms all can reach best Discharge illuminating parameter, and sodium element can not form sodium amalgam with mercury element yet, can therefore adhering to fluorescent material cause later stage the inner surface of tube melanism and the serious problem of fluorescent tube light decay.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that the claims in the present invention were defined.
Claims (10)
1. the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula, is characterized in that, comprising:
Fluorescent tube, this fluorescent tube comprises the interior foam of outer foam and this outer foam of embedding, this interior foam concave shaped becomes cavity, in this interior foam, is filled with SODIUM METAL element, in this outer foam, is provided with amalgam;
Magnetic core, inserts in this cavity, and the outer coiling of this magnetic core to be to produce induction field, the sodium atom in the described interior foam of this induction field coupling and the mercury atom light emitting discharge in described outer foam.
2. the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula according to claim 1, it is characterized in that, the end of described outer foam and the end of described interior foam seal, described cavity has opening in the end of this interior foam and the end of outer foam, and described magnetic core inserts described cavity via this opening.
3. the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula according to claim 1, it is characterized in that, described cavity has opening in the end of this interior foam, described magnetic core inserts described cavity via this opening, and the end of described outer foam seals with the end that is positioned at the magnetic core outside described cavity.
4. the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula according to claim 1, is characterized in that, described interior foam coaxially embeds this outer foam, and described interior foam forms described cavity in central axis indent.
5. the double-deck discharge lamp of the electrodeless sodium mercury of double-layer nested formula according to claim 1, is characterized in that, during sodium atom light emitting discharge in described interior foam, the air pressure of sodium steam is 0.1Pa～10Pa, and the temperature in interior foam is 200 ℃～300 ℃; During mercury atom light emitting discharge in described outer foam, the air pressure of mercuryvapour is 0.6Pa to 1Pa.
6. according to the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula described in any one in claim 1 to 5, it is characterized in that, the magnetic flux density of described magnetic core is 50mT to 1000mT, and the coupled electromagnetic field frequency that described magnetic core produces is 30KHZ to 100MHZ.
7. according to the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula described in any one in claim 1 to 5, it is characterized in that, in described interior foam, be filled with inert gas.
8. according to the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula described in any one in claim 1 to 5, it is characterized in that, in described outer foam, be filled with inert gas, the inwall of described outer foam is coated with fluorescent material.
9. according to the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula described in any one in claim 1 to 5, it is characterized in that, the wall cross-section of described interior foam is amassed as 0.2cm
2to 50cm
2.
10. according to the double-deck discharge lamp of the electrodeless sodium mercury of the double-layer nested formula described in any one in claim 1 to 5, it is characterized in that, the material of described interior foam is anti-sodium etching glass, and the material of described outer foam is borosilicate glass.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059963.9A CN103762152A (en) | 2014-02-21 | 2014-02-21 | Double-layer nested electrodeless sodium-mercury double-layer electric-discharge lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059963.9A CN103762152A (en) | 2014-02-21 | 2014-02-21 | Double-layer nested electrodeless sodium-mercury double-layer electric-discharge lamp |
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|---|---|---|---|
| CN201410059963.9A Pending CN103762152A (en) | 2014-02-21 | 2014-02-21 | Double-layer nested electrodeless sodium-mercury double-layer electric-discharge lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820624A (en) * | 2021-02-23 | 2021-05-18 | 北京朗菲霖科技研发有限公司 | Mercury electrodeless element lamp module |
| CN113707534A (en) * | 2021-09-17 | 2021-11-26 | 深圳邮信互联软件信息平台有限公司 | Light emitting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030329A (en) * | 1987-06-26 | 1989-01-11 | 菲利浦光灯制造公司 | Electrodeless low voltage discharge lamp |
| CN2218977Y (en) * | 1994-06-27 | 1996-01-31 | 重庆市沙坪坝区金星灯具装饰有限公司 | Sodium mercury lamp |
| US20030117074A1 (en) * | 2001-12-21 | 2003-06-26 | Lapatovich Walter P. | Double jacketed high intensity discharge lamp |
| CN101777484A (en) * | 2009-11-10 | 2010-07-14 | 惠州市福祥照明科技有限公司 | High-frequency electrodeless sodion gas discharge sodium lamp device |
| CN202712124U (en) * | 2012-07-23 | 2013-01-30 | 江苏同辉照明科技有限公司 | High-frequency electrodeless lamp |
| CN203707081U (en) * | 2014-02-21 | 2014-07-09 | 江苏立德照明产业有限公司 | Double-layer nested electrodeless sodium mercury discharging lamp |
-
2014
- 2014-02-21 CN CN201410059963.9A patent/CN103762152A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030329A (en) * | 1987-06-26 | 1989-01-11 | 菲利浦光灯制造公司 | Electrodeless low voltage discharge lamp |
| CN2218977Y (en) * | 1994-06-27 | 1996-01-31 | 重庆市沙坪坝区金星灯具装饰有限公司 | Sodium mercury lamp |
| US20030117074A1 (en) * | 2001-12-21 | 2003-06-26 | Lapatovich Walter P. | Double jacketed high intensity discharge lamp |
| CN101777484A (en) * | 2009-11-10 | 2010-07-14 | 惠州市福祥照明科技有限公司 | High-frequency electrodeless sodion gas discharge sodium lamp device |
| CN202712124U (en) * | 2012-07-23 | 2013-01-30 | 江苏同辉照明科技有限公司 | High-frequency electrodeless lamp |
| CN203707081U (en) * | 2014-02-21 | 2014-07-09 | 江苏立德照明产业有限公司 | Double-layer nested electrodeless sodium mercury discharging lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820624A (en) * | 2021-02-23 | 2021-05-18 | 北京朗菲霖科技研发有限公司 | Mercury electrodeless element lamp module |
| CN113707534A (en) * | 2021-09-17 | 2021-11-26 | 深圳邮信互联软件信息平台有限公司 | Light emitting device |
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Application publication date: 20140430 |