JPH0141673B2 - - Google Patents
Info
- Publication number
- JPH0141673B2 JPH0141673B2 JP55097769A JP9776980A JPH0141673B2 JP H0141673 B2 JPH0141673 B2 JP H0141673B2 JP 55097769 A JP55097769 A JP 55097769A JP 9776980 A JP9776980 A JP 9776980A JP H0141673 B2 JPH0141673 B2 JP H0141673B2
- Authority
- JP
- Japan
- Prior art keywords
- cerium
- rare earth
- phosphor
- terbium
- lanthanum
- 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.)
- Expired
Links
- 229910052684 Cerium Inorganic materials 0.000 claims description 44
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 44
- -1 rare earth phosphate Chemical class 0.000 claims description 39
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 38
- 229910052771 Terbium Inorganic materials 0.000 claims description 34
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 18
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 18
- 229910019142 PO4 Inorganic materials 0.000 claims description 15
- 235000021317 phosphate Nutrition 0.000 claims description 15
- 229910052746 lanthanum Inorganic materials 0.000 claims description 14
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 239000010452 phosphate Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 5
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910017569 La2(CO3)3 Inorganic materials 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 claims description 2
- NZPIUJUFIFZSPW-UHFFFAOYSA-H lanthanum carbonate Chemical compound [La+3].[La+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O NZPIUJUFIFZSPW-UHFFFAOYSA-H 0.000 claims description 2
- 229960001633 lanthanum carbonate Drugs 0.000 claims description 2
- LMEHHJBYKPTNLM-UHFFFAOYSA-H terbium(3+);tricarbonate Chemical compound [Tb+3].[Tb+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O LMEHHJBYKPTNLM-UHFFFAOYSA-H 0.000 claims description 2
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- KLQJLEAMJFVZJF-UHFFFAOYSA-H [O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.OP(O)(O)=O.P.[La+3].[Ce+3] Chemical compound [O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.OP(O)(O)=O.P.[La+3].[Ce+3] KLQJLEAMJFVZJF-UHFFFAOYSA-H 0.000 description 6
- 230000004913 activation Effects 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 150000003746 yttrium Chemical class 0.000 description 4
- 150000004645 aluminates Chemical group 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- GCAAQROFKRZNKT-UHFFFAOYSA-N [Tb].[Ce] Chemical compound [Tb].[Ce] GCAAQROFKRZNKT-UHFFFAOYSA-N 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- HYZPKKVMZBISPL-UHFFFAOYSA-K [O-]P([O-])([O-])=O.OP(O)(O)=O.P.[Ce+3] Chemical compound [O-]P([O-])([O-])=O.OP(O)(O)=O.P.[Ce+3] HYZPKKVMZBISPL-UHFFFAOYSA-K 0.000 description 1
- NIAAUYARBNQFTM-UHFFFAOYSA-K [O-]P([O-])([O-])=O.OP(O)(O)=O.P.[La+3] Chemical compound [O-]P([O-])([O-])=O.OP(O)(O)=O.P.[La+3] NIAAUYARBNQFTM-UHFFFAOYSA-K 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 150000002680 magnesium Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- SMKQIOCKGHFKQZ-UHFFFAOYSA-N phosphanylidynecerium Chemical compound [Ce]#P SMKQIOCKGHFKQZ-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Luminescent Compositions (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9776980A JPS5723674A (en) | 1980-07-16 | 1980-07-16 | Fluorescent substance |
| US06/279,561 US4423349A (en) | 1980-07-16 | 1981-07-01 | Green fluorescence-emitting material and a fluorescent lamp provided therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9776980A JPS5723674A (en) | 1980-07-16 | 1980-07-16 | Fluorescent substance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5723674A JPS5723674A (en) | 1982-02-06 |
| JPH0141673B2 true JPH0141673B2 (fr) | 1989-09-06 |
Family
ID=14201059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9776980A Granted JPS5723674A (en) | 1980-07-16 | 1980-07-16 | Fluorescent substance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5723674A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2672281B1 (fr) * | 1991-02-04 | 1993-04-16 | Rhone Poulenc Chimie | Phosphate mixte de lanthane, terbium et cerium, procede de fabrication de celui-ci. |
| FR2679242A1 (fr) * | 1991-07-19 | 1993-01-22 | Rhone Poulenc Chimie | Phosphate mixte de lanthane, terbium et cerium, procede de fabrication de ceux-ci a partir de sels insolubles de terres rares. |
| FR2694281B1 (fr) * | 1992-07-29 | 1994-09-16 | Rhone Poulenc Chimie | Procédé de préparation de phosphates de terres rares et produits obtenus. |
| CN1082090A (zh) * | 1993-08-06 | 1994-02-16 | 上海跃龙有色金属有限公司 | 高性能磷酸盐绿色荧光粉及其制造方法 |
| JP4219514B2 (ja) * | 1999-12-16 | 2009-02-04 | 化成オプトニクス株式会社 | 希土類燐酸塩の製造方法、希土類燐酸塩蛍光体及び希土類燐酸塩蛍光体の製造方法 |
| US6953766B2 (en) | 2002-08-23 | 2005-10-11 | Shell Oil Company | Preparation of efficient REPO and LAPO catalysts |
| JP4892230B2 (ja) | 2005-11-28 | 2012-03-07 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
| JP5014814B2 (ja) * | 2007-01-26 | 2012-08-29 | 根本特殊化学株式会社 | 真空紫外線励起蛍光体 |
| FR2943659B1 (fr) * | 2009-03-24 | 2011-05-13 | Rhodia Operations | Phosphate de lanthane,de cerium et de terbium de type coeur/coquille,luminophore comprenant ce phosphate et procedes de preparation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456086A (en) * | 1977-10-12 | 1979-05-04 | Mitsubishi Electric Corp | Fluorescent substance |
-
1980
- 1980-07-16 JP JP9776980A patent/JPS5723674A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456086A (en) * | 1977-10-12 | 1979-05-04 | Mitsubishi Electric Corp | Fluorescent substance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5723674A (en) | 1982-02-06 |
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