CN1233642A - Red phosphor powder for high pressure mercury lamp - Google Patents
Red phosphor powder for high pressure mercury lamp Download PDFInfo
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- CN1233642A CN1233642A CN 98107675 CN98107675A CN1233642A CN 1233642 A CN1233642 A CN 1233642A CN 98107675 CN98107675 CN 98107675 CN 98107675 A CN98107675 A CN 98107675A CN 1233642 A CN1233642 A CN 1233642A
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- CN
- China
- Prior art keywords
- fluorescent material
- mercury lamp
- metallic element
- pressure mercury
- high pressure
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Abstract
The invented red fluoscent powder for use in high voltage mercury lamp is an improvement of alkaline earth metal phosphate which is expressed by M3(PO4)2.nB2O3 : Ce : Mn, in which M can be one or more than one kind of Ca, Sr or Ba, B is used as flux, Ce, Mn is used as activator. The invented luminescent body has better light effect and colour development under 200-300 deg.C compared with cenventional luminescent body.
Description
The invention belongs to lamp luminescent material technical field.
At present, the fluorescent material that is used for both at home and abroad from the ballast high-pressure sodium lamp mainly is trbasic zinc phosphate, the strontium (magnesium) that activates with Bivalent Tin, that is: (Sr, Zn)
3(PO
4)
2: Sn or (Sr, Mg)
3(PO
4)
2: Sn etc.Use the high-pressure sodium lamp of this kind fluorescent material to need ball milling more than 80 hours owing to being coated with when lamp preparation powder is starched, destroyed the luminescent properties of fluorescent material.When 300 ℃ of left and right sides of working temperature, fluorescent material produces quencher, makes the light efficiency of mercury lamp, the decline of demonstration property.
The objective of the invention is application, improve the luminescent properties and the color developing of fluorescent material (body) by manganese, cerium co-activation alkaline-earth metal borophosphate.
Fluorescent material under long wave ultraviolet 3650A of the present invention excites is the compound that is expressed from the next, M
3(PO
4)
2NB
2O
3: Ce:Mn.
Wherein M is the crystal powder luminescent material of being made by a kind of or whole metallic element synthetic compound that is selected among Ca, Sr, the Ba;
Add the M of the various metals such as Al, Na, Li, K, Si, Cl, B, nonmetalloid formation
3(PO
4)
2NB
2O
3: Ce:Mn crystal powder luminescent material;
The add-on of activator Mn is 0.001 mole of % to the 10 mole of % that is equivalent to the metallic element that M represents;
The addition of rare earth activators Ce is 0.001 mole of % to the 10 mole of % that is equivalent to the metallic element that M represents;
Boric acid, chloride such as Na, K, Li, the NH of the 1-10% weight that adds as flux
4Deng.
Of the present invention by M
3(PO
4)
2NB
2O
3: the fluorescent material its preparation method that Ce:Mn represents such as following:
1, takes by weighing each component oxide or the salt of calculated amount;
2, evenly mixing is put into Al by grinding
2O
3Sintering 1 hour in 1000 ℃ of air in the crucible;
3, taking-up is cooled off afterwards, porphyrize is packed Al into
2O
3In the crucible;
4, after adding quantitative active carbon granule on the material, add a cover into 1160 ℃ of constant temperature 1-1.5 of stove hours;
5, be cooled to room temperature after the taking-up and obtain white solid, behind crushing screening, namely get fluorophor of the present invention.
Disclosed by the invention with M
3(PO
4)
2NB
2O
3: the compound that Ce:Mn represents, M is selected from least a above metallic element in calcium, strontium, the barium, and added the alkali earth metal phosphate fluorescent material of quantitative chloride (metal or nonmetal) formation in the red light of the ultraviolet ray excited lower emission 6300A wavelength of 3650A, because ball milling 10 hours only during slurrying, be used on the mercury lamp when 300 ℃ of left and right sides than (Sr, Zn)
3(PO
4)
2: Sn or (Sr, Mg)
3(PO
4)
2: Sn improves the luminous intensity more than 30%, has improved light efficiency and the colour rendering of lamp.
Accompanying drawing 1 is fluorescent material of the present invention and (Sr, Zn)
3(PO
4)
2: the curve of Sn fluorescent material (routine) relative luminous intensity and time relationship.
As seen from the figure, fluorescent material of the present invention be higher than 250 ℃ of non-dawn of luminous intensity do not descend on the contrary in rising trend, And low pressure mercury lamp is operated in about 300 ℃ exactly.
Following table is fluorophor of the present invention and (Sr, Zn)3(PO
4)
2: Sn fluorophor temperature characterisitic contrast table, can from table See that fluorophor of the present invention does not descend in relative brightness more than 300 ℃, rise on the contrary.
Be used in when ballast high-pressure sodium lamp (125W) fluorescent material M of the present invention3(PO
4)
2·nB
2O
3: the colour rendering index that Ce:Mn records after being coated with lamp is Ra=53.7, and (Sr, Zn)3(PO
4)
2: Sn or (Sr, Mg)3(PO
4)
2: Sn is through being coated with The colour rendering index that records behind the lamp is Ra=40.
Fluorophor M of the present invention3(PO
4)
2·nB
2O
3: the Ce:Mn temperature characterisitic
| Temperature relative degree brightness | Room temperature | 100 | 200 | 300 | 350 | ||
| The powder sample | | 100 | 178.8 | 202.1 | 160.7 | 141.4 | |
| Fluorophor of the | 100 | 111.5 | 154.3 | 243.8 | 271.1 | ||
The embodiment of the invention is as follows:
Embodiment 1:
Press the column weight amount and take by weighing material:
SrCO
373.8 gram
CaCO
341.0 gram
(NH
4)
2HPO
4105.6 gram
CeO 8.66 grams
MnCO
33.44 gram
H
3BO
412.4 gram
NH
4Cl 35 grams
Behind even mixed grinding, Al packs into above-mentioned material
2O
3Sintering 1 hour in 1000 ℃ of air in the crucible takes out after the cooling porphyrize Al that packs into
2O
3In the crucible, after material adds quantitative active carbon granule, add a cover into 1160 ℃ of constant temperature 1-1.5 of stove hours, be cooled to room temperature after the taking-up and namely obtain the white solid luminescent substance, through pulverizing, obtain M after sieving
3(PO
4)
2NB
2O
3: Ce:Mn white crystals luminescenjt powder.
Embodiment 2:
Material consists of:
SrCO
373.8 gram
BaCO
381.29 gram
(NH
4)
2HPO
4105.6 gram
CeO 8.66 grams
MnCO
33.44 gram
H
3BO
412.4 gram
NH
4Cl 35 grams
Fire the step condition with embodiment 1
Embodiment 3:
Material consists of:
SrCO
373.8 gram
CaCO
330 grams
BaCO
323 grams
(NH
4)
2HPO
4105.6 gram
CeO 8.66 grams
MnCO
33.44 gram
H
3BO
412.4 gram
NH
4Cl 35 grams
Fire the step condition with embodiment 1
Claims (5)
1, red phosphor powder for high pressure mercury lamp is the improvement of alkali earth metal phosphate compound, it is characterized in that using M
3(PO
4)
2NB
2O
3: the compound that Ce:Mn represents, M are the crystal powder luminescent materials of being made by the synthetic compound of a kind of or whole metallic element that is selected among Ca, Sr, the Ba.
2,, it is characterized in that adding the boric acid of 1-10% weight as solubility promoter according to the fluorescent material of claim 1.
3,, it is characterized in that adding the crystal powder luminescent material of multiple metals such as Al, Na, Li, K, Si, Cl, non-metallic element formation according to the fluorescent material of claim 1.
4,, it is characterized in that 0.001 mole of % to 10 mole of % of the metallic element that the suitable M of content of activator and coactivator Mn and Ce represents according to the fluorescent material of claim 1 or 2.
5,, it is characterized in that exciting down, 200-300 ℃ of luminous intensity that has under the suitable room temperature 2 times at long wave ultraviolet 3650A according to claim 1,2 or 3 fluorescent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98107675A CN1112420C (en) | 1998-04-24 | 1998-04-24 | Red phosphor powder for high pressure mercury lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98107675A CN1112420C (en) | 1998-04-24 | 1998-04-24 | Red phosphor powder for high pressure mercury lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1233642A true CN1233642A (en) | 1999-11-03 |
| CN1112420C CN1112420C (en) | 2003-06-25 |
Family
ID=5219427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98107675A Expired - Fee Related CN1112420C (en) | 1998-04-24 | 1998-04-24 | Red phosphor powder for high pressure mercury lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1112420C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410956A (en) * | 2004-01-21 | 2005-08-17 | Gen Electric | Phosphors containing boron and rare-earth metals, and light sources incorporating the same |
| CN100356503C (en) * | 2004-08-06 | 2007-12-19 | 于首成 | Electronic energy-saving health-care fluoresent lamp |
| CN101649200B (en) * | 2009-09-03 | 2014-05-28 | 常熟市江南荧光材料有限公司 | Synthesis method of luminescent material for insect-killing trapping lamp |
| CN106905967A (en) * | 2017-02-20 | 2017-06-30 | 中国计量大学 | A kind of borophosphate green emitting phosphor and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063211C (en) * | 1995-07-17 | 2001-03-14 | 北京宏业亚阳荧光材料厂 | Long-persistence and high-brightness luminous material and its prepn |
-
1998
- 1998-04-24 CN CN98107675A patent/CN1112420C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410956A (en) * | 2004-01-21 | 2005-08-17 | Gen Electric | Phosphors containing boron and rare-earth metals, and light sources incorporating the same |
| GB2410956B (en) * | 2004-01-21 | 2009-03-04 | Gen Electric | Phosphors containing boron and rare-earth metals, and light sources incorporating the same |
| CN100356503C (en) * | 2004-08-06 | 2007-12-19 | 于首成 | Electronic energy-saving health-care fluoresent lamp |
| CN101649200B (en) * | 2009-09-03 | 2014-05-28 | 常熟市江南荧光材料有限公司 | Synthesis method of luminescent material for insect-killing trapping lamp |
| CN106905967A (en) * | 2017-02-20 | 2017-06-30 | 中国计量大学 | A kind of borophosphate green emitting phosphor and preparation method thereof |
| CN106905967B (en) * | 2017-02-20 | 2019-04-09 | 中国计量大学 | A kind of borophosphate green emitting phosphor and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1112420C (en) | 2003-06-25 |
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