JP2015124303A5 - - Google Patents
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- JP2015124303A5 JP2015124303A5 JP2013269999A JP2013269999A JP2015124303A5 JP 2015124303 A5 JP2015124303 A5 JP 2015124303A5 JP 2013269999 A JP2013269999 A JP 2013269999A JP 2013269999 A JP2013269999 A JP 2013269999A JP 2015124303 A5 JP2015124303 A5 JP 2015124303A5
- Authority
- JP
- Japan
- Prior art keywords
- silicate phosphor
- barium
- mol
- silicon dioxide
- phosphor particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002245 particle Substances 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 6
- QVQLCTNNEUAWMS-UHFFFAOYSA-N Barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims 4
- 238000002156 mixing Methods 0.000 claims 4
- 239000000843 powder Substances 0.000 claims 3
- 235000012239 silicon dioxide Nutrition 0.000 claims 3
- 239000000377 silicon dioxide Substances 0.000 claims 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L Barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims 2
- WDIHJSXYQDMJHN-UHFFFAOYSA-L Barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims 2
- 229910001626 barium chloride Inorganic materials 0.000 claims 2
- 150000001805 chlorine compounds Chemical class 0.000 claims 2
- 239000000470 constituent Substances 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- LEDMRZGFZIAGGB-UHFFFAOYSA-L Strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 claims 1
- 238000001354 calcination Methods 0.000 claims 1
- 229910001940 europium oxide Inorganic materials 0.000 claims 1
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000011812 mixed powder Substances 0.000 claims 1
- 230000001590 oxidative Effects 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 229910000018 strontium carbonate Inorganic materials 0.000 claims 1
Description
また、本発明が提供するシリケート蛍光体は、組成式（１）：（Ｓｒ１−ａ−ｘＢａａＥｕｘ）２ＳｉＯ４（但し、ａ及びｘは０．５５≦ａ≦０．７０、０．０５≦ｘ≦０．１０）で表される黄緑色から緑色に発光するシリケート蛍光体粒子であって、内部量子効率が７３％以上、かつ平均粒子径が２０〜３０μｍである。 Further, the silicate phosphor provided by the present invention has a composition formula (1): (Sr 1-ax Ba a Eu x ) 2 SiO 4 (where a and x are 0.55 ≦ a ≦ 0.70, Silicate phosphor particles emitting from yellowish green to green represented by 0.05 ≦ x ≦ 0.10), having an internal quantum efficiency of 73% or more and an average particle size of 20 to 30 μm.
Claims (2)
組成式（１）：（Ｓｒ１−ａ−ｘＢａａＥｕｘ）２ＳｉＯ４
（但し、ａ及びｘは０．５５≦ａ≦０．７０、０．０５≦ｘ≦０．１０）
で表される黄緑色から緑色に発光するシリケート蛍光体粒子の製造方法において、
前記構成成分元素の酸化物及び塩化物からなる前記フラックスは、酸化バリウム、塩化バリウム、二酸化ケイ素からなり、酸化バリウム：塩化バリウム：二酸化ケイ素＝３０〜６０ｍｏｌ％：３３〜５５ｍｏｌ％：５〜２５ｍｏｌ％の範囲内の配合比率で配合し、かつ前記仮焼成粉の総量に対して１０〜３０質量％を添加混合することを特徴とするシリケート蛍光体粒子の製造方法。 At least strontium carbonate, barium carbonate, europium oxide, and silicon dioxide as a starting material are mixed and calcined in an oxidizing atmosphere to obtain a calcined powder. Thereafter, a flux composed of oxides and chlorides of the constituent elements is added to the tentative material. It is obtained by adding and mixing the calcined powder, and reducing and calcining the obtained mixed powder in a reducing atmosphere.
Composition formula (1): (Sr 1-ax Ba a Eu x ) 2 SiO 4
(However, a and x are 0.55 ≦ a ≦ 0.70, 0.05 ≦ x ≦ 0.10)
In the method for producing silicate phosphor particles that emit green light from yellowish green represented by:
The flux composed of oxides and chlorides of the constituent elements is composed of barium oxide, barium chloride, and silicon dioxide. Barium oxide: barium chloride: silicon dioxide = 30 to 60 mol%: 33 to 55 mol%: 5 to 25 mol% A method for producing silicate phosphor particles, comprising blending at a blending ratio within the range of 10 to 30% by mass and adding and mixing 10 to 30% by mass with respect to the total amount of the calcined powder.
（但し、ａ及びｘは０．５５≦ａ≦０．７０、０．０５≦ｘ≦０．１０）
で表される黄緑色から緑色に発光するシリケート蛍光体粒子であって、
内部量子効率が７３％以上、かつ平均粒子径が２０〜３０μｍであることを特徴とするシリケート蛍光体粒子。 Set Narushiki (1) :( Sr 1-a -x Ba a Eu x) 2 SiO 4
(However, a and x are 0.55 ≦ a ≦ 0.70, 0.05 ≦ x ≦ 0.10)
A silicate phosphor particle that emits light from yellowish green to green represented by:
Silicate phosphor particles having an internal quantum efficiency of 73% or more and an average particle diameter of 20 to 30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013269999A JP6036678B2 (en) | 2013-12-26 | 2013-12-26 | Method for producing silicate phosphor particles and silicate phosphor particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013269999A JP6036678B2 (en) | 2013-12-26 | 2013-12-26 | Method for producing silicate phosphor particles and silicate phosphor particles |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015124303A JP2015124303A (en) | 2015-07-06 |
| JP2015124303A5 true JP2015124303A5 (en) | 2015-12-17 |
| JP6036678B2 JP6036678B2 (en) | 2016-11-30 |
Family
ID=53535259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013269999A Expired - Fee Related JP6036678B2 (en) | 2013-12-26 | 2013-12-26 | Method for producing silicate phosphor particles and silicate phosphor particles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6036678B2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5145934B2 (en) * | 2005-03-04 | 2013-02-20 | 三菱化学株式会社 | Phosphor and method for producing the same, and light emitting device using the phosphor |
| WO2007091687A1 (en) * | 2006-02-10 | 2007-08-16 | Mitsubishi Chemical Corporation | Phosphor, method for producing same, phosphor-containing composition, light-emitting device, image display, and illuminating device |
| JP2008266410A (en) * | 2007-04-18 | 2008-11-06 | Mitsubishi Chemicals Corp | Fluorescent substance, fluorescent substance-containing composition, manufacturing method of fluorescent substance, light emitting apparatus, image display device, and illuminating device |
| JP2009209332A (en) * | 2008-03-06 | 2009-09-17 | Sharp Corp | Phosphor for light emitting device and light emitting device using the same |
| JP5490083B2 (en) * | 2011-12-22 | 2014-05-14 | 住友金属鉱山株式会社 | Method for producing alkaline earth metal silicate phosphor and alkaline earth metal silicate phosphor |
-
2013
- 2013-12-26 JP JP2013269999A patent/JP6036678B2/en not_active Expired - Fee Related
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