JPH09157644A - Aluminate fluorescent substance, its production and discharge apparatus using the same fluorescent substance - Google Patents
Aluminate fluorescent substance, its production and discharge apparatus using the same fluorescent substanceInfo
- Publication number
- JPH09157644A JPH09157644A JP32135195A JP32135195A JPH09157644A JP H09157644 A JPH09157644 A JP H09157644A JP 32135195 A JP32135195 A JP 32135195A JP 32135195 A JP32135195 A JP 32135195A JP H09157644 A JPH09157644 A JP H09157644A
- Authority
- JP
- Japan
- Prior art keywords
- phosphor
- aluminum fluoride
- aluminum
- europium
- fluorescent substance
- 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.)
- Pending
Links
- 150000004645 aluminates Chemical class 0.000 title claims abstract description 22
- 239000000126 substance Substances 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims abstract description 28
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims abstract description 28
- 230000004907 flux Effects 0.000 claims abstract description 23
- 229910052693 Europium Inorganic materials 0.000 claims abstract description 16
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 229910052810 boron oxide Inorganic materials 0.000 claims abstract description 11
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000001639 boron compounds Chemical class 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052788 barium Inorganic materials 0.000 claims abstract description 7
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 7
- 239000011777 magnesium Substances 0.000 claims abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 55
- 238000010304 firing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 23
- 239000004327 boric acid Substances 0.000 description 23
- 238000000295 emission spectrum Methods 0.000 description 11
- 230000005284 excitation Effects 0.000 description 5
- 238000004020 luminiscence type Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- -1 alkaline earth metal aluminate Chemical class 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001940 europium oxide Inorganic materials 0.000 description 2
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Luminescent Compositions (AREA)
Abstract
Description
【０００１】[0001]
【発明が属する技術分野】本発明は、紫外線、真空紫外
線等の励起下で高発光効率の青色発光を示すアルミン酸
塩蛍光体及びその製造方法に関するものである。さらに
詳しくは、３波長蛍光ランプ、プラズマディスプレィパ
ネル等の放電装置に使用することができる蛍光体及びそ
の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aluminate phosphor which exhibits blue light emission with high luminous efficiency under the excitation of ultraviolet rays, vacuum ultraviolet rays and the like, and a method for producing the same. More specifically, the present invention relates to a phosphor that can be used in a discharge device such as a three-wavelength fluorescent lamp and a plasma display panel, and a manufacturing method thereof.
【０００２】[0002]
【従来の技術】２価のユーロピウムで付活した蛍光体は
従来種々のものが知られている。特に蛍光ランプ及びプ
ラズマディスプレィ等に用いられている２価のユーロピ
ウム付活アルカリ土類金属アルミン酸塩蛍光体がよく知
られている。この蛍光体にホウ素を添加することで発光
効率が向上することは、特開昭５１−１３８２号公報、
特開昭５２−１４３９８５号公報に記載されている。特
開昭５１−１３８２号公報によれば、蛍光体原料の酸化
ホウ素、炭酸バリウム、酸化ユーロピウム、酸化マグネ
シウム及び酸化アルミニウムをよく混合して、還元性雰
囲気中で１１００℃〜１６００℃の温度で数時間焼成し
て得られた蛍光体は、酸化ホウ素を添加していない従来
の蛍光体に対し、発光出力は２倍程度になることが提案
されている。2. Description of the Related Art Various phosphors activated with divalent europium are known. In particular, divalent europium-activated alkaline earth metal aluminate phosphors used in fluorescent lamps and plasma displays are well known. The fact that the luminous efficiency is improved by adding boron to this phosphor is disclosed in JP-A-51-1382.
It is described in JP-A-52-143985. According to Japanese Patent Application Laid-Open No. 51-1382, phosphor materials such as boron oxide, barium carbonate, europium oxide, magnesium oxide and aluminum oxide are mixed well, and the mixture is mixed at a temperature of 1100 ° C to 1600 ° C in a reducing atmosphere. It has been proposed that the phosphor obtained by firing for a time has an emission output about twice as high as that of a conventional phosphor to which boron oxide is not added.
【０００３】[0003]
【発明が解決しようとする課題】しかし、特開昭５１−
１３８２号公報の提案を追試した結果、単に酸化ホウ素
を添加するだけでは、実用十分な発光強度が安定して得
られないという問題がある。 本発明は、前記従来の問
題を解決するため、紫外線、真空紫外線等の励起下で高
発光効率の青色発光を示すアルミン酸塩蛍光体及びその
製造方法を提供することを目的とするものである。However, Japanese Patent Laid-Open Publication No.
As a result of re-trying the proposal of Japanese Patent No. 1382, there is a problem that practically sufficient emission intensity cannot be stably obtained by simply adding boron oxide. In order to solve the above conventional problems, the present invention has an object to provide an aluminate phosphor that exhibits blue light emission with high emission efficiency under the excitation of ultraviolet rays, vacuum ultraviolet rays, and the like, and a method for producing the same. .
【０００４】[0004]
【課題を解決するための手段】前記目的を達成するた
め、本発明のアルミン酸塩蛍光体は、バリウム、マグネ
シウム、アルミニウム及びユーロピウムの化合物からな
る前記一般式（化１）で示されるアルミン酸塩蛍光体で
あって、前記蛍光体中にフラックスとして、弗化アルミ
ニウム及びホウ素化合物とを含むことを特徴とする。In order to achieve the above object, the aluminate phosphor of the present invention is an aluminate represented by the above general formula (Formula 1) which comprises a compound of barium, magnesium, aluminum and europium. A phosphor, wherein the phosphor contains aluminum fluoride and a boron compound as a flux.
【０００５】また本発明の放電装置は、バリウム、マグ
ネシウム、アルミニウム及びユーロピウムの化合物から
なる前記一般式（化１）で示されるアルミン酸塩蛍光体
であって、前記蛍光体中にフラックスとして、弗化アル
ミニウム及びホウ素化合物とを含むアルミン酸塩蛍光体
を用いたという構成を備えたものである。Further, the discharge device of the present invention is an aluminate phosphor represented by the general formula (Formula 1), which is composed of a compound of barium, magnesium, aluminum and europium, and a flux is used as a flux in the phosphor. It is provided with a constitution in which an aluminate phosphor containing aluminum halide and a boron compound is used.
【０００６】次に本発明のアルミン酸塩蛍光体の製造方
法は、バリウム、マグネシウム、アルミニウム及びユー
ロピウムの化合物からなる原料を混合し、還元性雰囲気
中で焼成することにより２価のユーロピウムで付活され
た前記一般式（化１）で示されるアルミン酸塩蛍光体を
製造するに際して、前記原料中にフラックスとして弗化
アルミニウムと高温で酸化ホウ素となり得るホウ素化合
物とを少なくとも添加することを特徴とする。Next, in the method for producing an aluminate phosphor of the present invention, raw materials composed of compounds of barium, magnesium, aluminum and europium are mixed and fired in a reducing atmosphere to activate divalent europium. In producing the aluminate phosphor represented by the general formula (Formula 1), at least aluminum fluoride as a flux and a boron compound capable of forming boron oxide at high temperature are added to the raw material. .
【０００７】前記アルミン酸塩蛍光体の製造方法におい
ては、焼成すると容易に酸化物になるバリウム、マグネ
シウム、アルミニウム及びユーロピウムの化合物からな
る原料を焼成した物質（以下、「原料酸化物」とい
う。）全体に対し弗化アルミニウムの濃度が、０．１〜
１８．０重量％の範囲であることが好ましい。とくに好
ましくは、１０．０重量％程度である。In the above-mentioned method for producing an aluminate phosphor, a substance obtained by firing a raw material composed of a compound of barium, magnesium, aluminum and europium, which easily becomes an oxide when fired (hereinafter referred to as "raw material oxide"). Aluminum fluoride concentration is 0.1-0.1%
It is preferably in the range of 18.0% by weight. Particularly preferably, it is about 10.0% by weight.
【０００８】また前記アルミン酸塩蛍光体及びその製造
方法においては、原料酸化物全体に対し酸化ホウ素の濃
度が、０．１〜２．４重量％であることが好ましい。と
くに好ましくは、１．２重量％程度である。In the aluminate phosphor and the method for producing the same, it is preferable that the concentration of boron oxide is 0.1 to 2.4% by weight based on the whole raw material oxide. Particularly preferably, it is about 1.2% by weight.
【０００９】前記した本発明の構成によれば、蛍光体中
にフラックスとして、弗化アルミニウム及びホウ素化合
物とを含むことにより、紫外線、真空紫外線等の励起下
で高発光効率の青色発光を示す青色蛍光体を提供するこ
とができる。とくに、紫外線、真空紫外線等の励起下で
高発光強度の２価のユーロピウム付活アルミン酸塩青色
蛍光体を製造するために、フラックスとして弗化アルミ
ニウムとホウ酸を用いると高発光効率の青色発光を示す
青色蛍光体を提供することができる。According to the above-mentioned constitution of the present invention, by containing aluminum fluoride and a boron compound as a flux in the phosphor, a blue color exhibiting blue light emission with high luminous efficiency under the excitation of ultraviolet rays, vacuum ultraviolet rays or the like. A phosphor can be provided. In particular, in order to produce a divalent europium-activated aluminate blue phosphor with high emission intensity under the excitation of ultraviolet rays, vacuum ultraviolet rays, etc., when aluminum fluoride and boric acid are used as flux, blue emission with high luminous efficiency is achieved. It is possible to provide a blue phosphor showing.
【００１０】[0010]
【実施例】以下実施例を用いて本発明をさらに具体的に
説明する。The present invention will be described more specifically with reference to the following examples.
【００１１】[0011]
【実施例１】蛍光体原料として、下記のものを用いた。 （１）炭酸バリウム ２１．６０ｇ （２）炭酸マグネシウム １６．２８ｇ （３）酸化アルミニウム ７２．１９ｇ （４）酸化ユーロピウム ３．４０ｇ （５）ホウ酸 １．１３ｇ （６）弗化アルミニウム ７．９４ｇ 上記蛍光体原料を乳鉢または、ボールミル等によって十
分に混合した後、アルミナルツボ等の耐熱容器に充填
し、窒素と水素の混合ガスを充満させた還元雰囲気中で
１４００℃、２時間焼成を行った。焼成温度範囲は、１
２００℃〜１６００℃の範囲が好ましく、焼成時間範囲
は、２時間〜５時間が好ましかった。焼成後、焼成物を
洗浄し、乾燥させた後、篩にかけた。Example 1 The following materials were used as the phosphor raw material. (1) Barium carbonate 21.60 g (2) Magnesium carbonate 16.28 g (3) Aluminum oxide 72.19 g (4) Europium oxide 3.40 g (5) Boric acid 1.13 g (6) Aluminum fluoride 7.94 g Above The phosphor materials were thoroughly mixed in a mortar, a ball mill, or the like, filled in a heat-resistant container such as an alumina crucible, and fired at 1400 ° C. for 2 hours in a reducing atmosphere filled with a mixed gas of nitrogen and hydrogen. Firing temperature range is 1
The range of 200 ° C to 1600 ° C is preferable, and the firing time range is preferably 2 hours to 5 hours. After firing, the fired product was washed, dried and sieved.
【００１２】以上に説明した方法で（Ｂａ0.85，Ｅｕ
0.15）Ｏ・１．５ＭｇＯ・５．５Ａｌ 2Ｏ3を得た。この
蛍光体は紫外線、真空紫外線の励起下で青色発光を示し
た。フラックスとして弗化アルミニウムとホウ酸また
は、酸化ホウ素を用いない従来の（Ｂａ0.85，Ｅ
ｕ0.15）Ｏ・１．５ＭｇＯ・５．５Ａｌ2Ｏ3の１１８％
の発光強度であった。図１に本実施例の蛍光体（ａ）
と、従来法の蛍光体（ｂ）を２５４ｎｍの紫外線の励起
下で発光させたときの発光スペクトルを示す。図１から
明らかな通り、本実施例品の発光強度は明らかに向上し
たことが確認できた。According to the method described above (Ba0.85, Eu
0.15) O ・ 1.5MgO ・ 5.5Al TwoOThreeI got this
The phosphor emits blue light under the excitation of ultraviolet rays and vacuum ultraviolet rays.
Was. Aluminum fluoride and boric acid as flux
Is a conventional (Ba0.85, E
u0.15) O ・ 1.5MgO ・ 5.5AlTwoOThree118% of
The emission intensity was. FIG. 1 shows the phosphor (a) of this example.
And the conventional phosphor (b) is excited by 254 nm ultraviolet light.
The emission spectrum when light is emitted below is shown. From FIG.
As is clear, the emission intensity of the product of this example is clearly improved.
I was able to confirm that
【００１３】[0013]
【実施例２】（Ｂａ0.85，Ｅｕ0.15）Ｏ・１．５ＭｇＯ
・５．５Ａｌ2Ｏ3で示される組成になるように原料を秤
量し、フラックスとしてホウ酸を０．７重量％用い、１
６００℃で２時間焼成、同様にフラックスとしてホウ酸
を０．７重量％と弗化アルミニウムを５．０重量％併せ
て用い、１６００℃で焼成を行った。図２にフラックス
としてホウ酸のみ用いた従来の蛍光体と、ホウ酸と弗化
アルミニウムを併せて用いた本実施例の蛍光体の発光ス
ペクトルを示す。図２において、ｃはフラックスにホウ
酸を用いて製造した従来の蛍光体、ｄはフラックスにホ
ウ酸と弗化アルミニウムを併せて用いて製造した本実施
例の蛍光体の発光スペクトルである。図２から明らかな
通り、フラックスにホウ酸と弗化アルミニウムを組み合
わせることによって発光強度は明らかに向上したことが
認められる。Example 2 (Ba 0.85 , Eu 0.15 ) O.1.5MgO
The raw material is weighed so that the composition is 5.5Al 2 O 3 , and 0.7% by weight of boric acid is used as the flux.
Firing was performed at 600 ° C. for 2 hours, and similarly, 0.7% by weight of boric acid and 5.0% by weight of aluminum fluoride were used as a flux, and firing was performed at 1600 ° C. FIG. 2 shows emission spectra of the conventional phosphor using only boric acid as the flux and the phosphor of this embodiment using both boric acid and aluminum fluoride. In FIG. 2, c is the emission spectrum of the conventional phosphor produced by using boric acid as the flux, and d is the emission spectrum of the phosphor of this embodiment produced by using both boric acid and aluminum fluoride for the flux. As is clear from FIG. 2, it is recognized that the emission intensity was clearly improved by combining boric acid and aluminum fluoride in the flux.
【００１４】[0014]
【実施例３】（Ｂａ0.85，Ｅｕ0.15）Ｏ・１．５ＭｇＯ
・５．５Ａｌ2Ｏ3で示される蛍光体についてホウ酸量を
固定し、弗化アルミニウム量を変えて発光強度を検討し
た結果を以下に説明する。弗化アルミニウム量を原料酸
化物全体に対し０〜２０重量％の範囲で変化させた。弗
化アルミニウムを添加していない蛍光体の発光強度を１
００したときの相対発光強度を図３に示す。弗化アルミ
ニウム添加量は、０．１〜１８．０重量％の範囲の時、
添加しないものより最大１８％の発光強度の向上がみら
れた。Example 3 (Ba 0.85 , Eu 0.15 ) O.1.5MgO
The results of studying the emission intensity of the phosphor represented by 5.5Al 2 O 3 by fixing the amount of boric acid and changing the amount of aluminum fluoride will be described below. The amount of aluminum fluoride was changed in the range of 0 to 20% by weight with respect to the entire raw material oxide. The emission intensity of the phosphor not containing aluminum fluoride is 1
FIG. 3 shows the relative light emission intensity when the light emission is 00. When the amount of aluminum fluoride added is in the range of 0.1 to 18.0% by weight,
A maximum improvement of 18% in luminescence intensity was observed over that without addition.
【００１５】[0015]
【実施例４】（Ｂａ0.85，Ｅｕ0.15）Ｏ・１．５ＭｇＯ
・５．５Ａｌ2Ｏ3で示される蛍光体について弗化アルミ
ニウム量を固定し、ホウ酸量を変えて発光強度を検討し
た結果を以下に述べる。ホウ酸量は原料酸化物全体に対
し０〜１０重量％の範囲で変化させた。ホウ酸を添加し
ていない蛍光体の発光強度を１００したときの相対発光
強度を図４に示す。ホウ酸添加量は０．２〜４．８重量
％の範囲のとき、すなわち酸化ホウ素の濃度が０．１〜
２．４重量％のとき、添加しないものより最大５％の発
光強度の向上がみられた。Example 4 (Ba 0.85 , Eu 0.15 ) O.1.5MgO
The results of studying the emission intensity of the phosphor represented by 5.5Al 2 O 3 by fixing the amount of aluminum fluoride and changing the amount of boric acid are described below. The amount of boric acid was changed in the range of 0 to 10% by weight with respect to the entire raw material oxide. FIG. 4 shows the relative emission intensity when the emission intensity of the phosphor to which boric acid is not added is 100. The amount of boric acid added is in the range of 0.2 to 4.8% by weight, that is, the concentration of boron oxide is 0.1 to 0.1%.
At 2.4% by weight, a maximum improvement in emission intensity of 5% was observed over that without addition.
【００１６】[0016]
【発明の効果】以上説明した通り、本発明は２価のユー
ロピウム付活アルミン酸塩蛍光体の組成比を特定の範囲
とするとともにフラックスとして弗化アルミニウムとホ
ウ素化合物を用いることで、従来の２価のユーロピウム
付活アルミン酸塩蛍光体に比べて青色の発光強度を向上
させることができる。即ち、本発明によれば、高い発光
強度を持つ青色蛍光体を製造することができ、かかる蛍
光体は、蛍光ランプ、プラズマディスプレィパネル等の
放電装置に好適に用いることができる。As described above, according to the present invention, the composition ratio of the divalent europium-activated aluminate phosphor is set within a specific range, and aluminum fluoride and a boron compound are used as the flux, so that the conventional 2 It is possible to improve the blue emission intensity as compared with the valent europium-activated aluminate phosphor. That is, according to the present invention, a blue phosphor having a high emission intensity can be manufactured, and such a phosphor can be suitably used for a discharge device such as a fluorescent lamp or a plasma display panel.
【図１】本発明の実施例１で得た蛍光体と、従来法の蛍
光体の発光スペクトルを示した図。FIG. 1 is a diagram showing emission spectra of a phosphor obtained in Example 1 of the present invention and a conventional phosphor.
【図２】本発明の実施例２の、フラックスとしてホウ酸
のみ用いた蛍光体と、ホウ酸と弗化アルミニウムを併せ
て用いた蛍光体の発光スペクトルを示した図。ｃはフラ
ックスにホウ酸を用いて製造した蛍光体、ｄはフラック
スにホウ酸と弗化アルミニウムを併せて用いて製造した
蛍光体の発光スペクトルである。FIG. 2 is a diagram showing an emission spectrum of a phosphor using only boric acid as a flux and a phosphor using both boric acid and aluminum fluoride in Example 2 of the present invention. c is the emission spectrum of the phosphor produced using boric acid as the flux, and d is the emission spectrum of the phosphor produced using both boric acid and aluminum fluoride as the flux.
【図３】本発明の実施例３の、ホウ酸の添加量を固定
し、弗化アルミニウムの添加量を変化させた時の相対発
光強度を示した図。FIG. 3 is a graph showing relative luminescence intensity of Example 3 of the present invention when the amount of boric acid added is fixed and the amount of aluminum fluoride added is changed.
【図４】本発明の実施例４の、弗化アルミニウムの添加
量を固定し、ホウ酸の添加量を変化させた時の相対発光
強度を示した図。FIG. 4 is a graph showing relative luminescence intensity of Example 4 of the present invention when the amount of aluminum fluoride added is fixed and the amount of boric acid added is changed.
ａ 本発明の実施例１で得た蛍光体の発光スペクトル ｂ 従来法で製造した蛍光体の発光スペクトル ｃ フラックスにホウ酸を用いて製造した従来の蛍光体
の発光スペクトル ｄ 本発明の実施例２のフラックスにホウ酸と弗化アル
ミニウムを併せて用いて製造した蛍光体の発光スペクト
ルa emission spectrum of the phosphor obtained in Example 1 of the present invention b emission spectrum of a phosphor produced by a conventional method c emission spectrum of a conventional phosphor produced by using boric acid as a flux d Example 2 of the present invention Spectrum of phosphor prepared by using boric acid and aluminum fluoride together in the flux
Claims (5)
及びユーロピウムの化合物からなる下記の一般式（化
１）で示されるアルミン酸塩蛍光体であって、前記蛍光
体中にフラックスとして、弗化アルミニウム及びホウ素
化合物とを含むことを特徴とするアルミン酸塩蛍光体。 【化１】 1. An aluminate phosphor represented by the following general formula (Formula 1) comprising a compound of barium, magnesium, aluminum and europium, wherein aluminum fluoride and a boron compound are contained in the phosphor as a flux. An aluminate phosphor, which comprises: Embedded image
用いた放電装置。2. A discharge device using the aluminate phosphor according to claim 1.
ネシウム、アルミニウム及びユーロピウムの化合物から
なる原料を混合し、還元性雰囲気中で焼成することによ
り２価のユーロピウムで付活された前記一般式（化１）
で示されるアルミン酸塩蛍光体を製造するに際して、前
記原料中にフラックスとして弗化アルミニウムと高温で
酸化ホウ素となり得るホウ素化合物とを少なくとも添加
することを特徴とするアルミン酸塩蛍光体の製造方法。3. A compound represented by the general formula (Chemical Formula 2) which is activated with divalent europium by mixing raw materials composed of compounds of barium, magnesium, aluminum and europium, which become oxides upon firing, and firing in a reducing atmosphere. 1)
In manufacturing the aluminate phosphor shown in, at least aluminum fluoride as a flux and a boron compound capable of forming boron oxide at a high temperature are added to the raw material.
したときにできる酸化物全体に対し０．１〜１８．０重
量％の範囲である請求項３に記載のアルミン酸塩蛍光体
の製造方法。4. The production of an aluminate phosphor according to claim 3, wherein the concentration of aluminum fluoride is in the range of 0.1 to 18.0% by weight based on the whole oxide formed when the raw material is fired. Method.
きにできる酸化物全体に対し０．１〜２．４重量％であ
る請求項３に記載のアルミン酸塩蛍光体の製造方法。5. The method for producing an aluminate phosphor according to claim 3, wherein the concentration of boron oxide is 0.1 to 2.4% by weight based on the whole oxide formed when the raw material is fired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32135195A JPH09157644A (en) | 1995-12-11 | 1995-12-11 | Aluminate fluorescent substance, its production and discharge apparatus using the same fluorescent substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32135195A JPH09157644A (en) | 1995-12-11 | 1995-12-11 | Aluminate fluorescent substance, its production and discharge apparatus using the same fluorescent substance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09157644A true JPH09157644A (en) | 1997-06-17 |
Family
ID=18131617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32135195A Pending JPH09157644A (en) | 1995-12-11 | 1995-12-11 | Aluminate fluorescent substance, its production and discharge apparatus using the same fluorescent substance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09157644A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999034389A1 (en) * | 1997-12-23 | 1999-07-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Barium magnesium aluminate phosphor |
| WO2002064701A1 (en) * | 1999-12-02 | 2002-08-22 | Lg Chemical Co., Ltd. | Method for manufacturing spherical blue fluorescent substance |
| US6614165B1 (en) | 1997-11-06 | 2003-09-02 | Matsushita Electric Industrial Co., Ltd. | Phosphor material for plasma display panel, a plasma display panel and a method for producing a plasma display panel |
| US6841093B2 (en) | 1999-12-02 | 2005-01-11 | Lg Chemical Ltd. | Method for manufacturing spherical blue fluorescent substance |
| JP2005336449A (en) * | 2003-08-29 | 2005-12-08 | Matsushita Electric Ind Co Ltd | Phosphor and plasma display device |
| JP2008181886A (en) * | 2003-08-29 | 2008-08-07 | Matsushita Electric Ind Co Ltd | Plasma display device |
-
1995
- 1995-12-11 JP JP32135195A patent/JPH09157644A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6614165B1 (en) | 1997-11-06 | 2003-09-02 | Matsushita Electric Industrial Co., Ltd. | Phosphor material for plasma display panel, a plasma display panel and a method for producing a plasma display panel |
| US6667574B2 (en) | 1997-11-06 | 2003-12-23 | Matsushita Electric Industrial Co., Ltd. | Phosphor material, phosphor material powder, plasma display panel, and method of producing the same |
| US6833672B2 (en) | 1997-11-06 | 2004-12-21 | Matsushita Electric Industrial Co., Ltd. | Plasma display panel and a method for producing a plasma display panel |
| WO1999034389A1 (en) * | 1997-12-23 | 1999-07-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Barium magnesium aluminate phosphor |
| WO2002064701A1 (en) * | 1999-12-02 | 2002-08-22 | Lg Chemical Co., Ltd. | Method for manufacturing spherical blue fluorescent substance |
| US6841093B2 (en) | 1999-12-02 | 2005-01-11 | Lg Chemical Ltd. | Method for manufacturing spherical blue fluorescent substance |
| CN100396755C (en) * | 2000-12-16 | 2008-06-25 | Lg化学株式会社 | Preparation method of spherical blue fluorescent substance |
| JP2005336449A (en) * | 2003-08-29 | 2005-12-08 | Matsushita Electric Ind Co Ltd | Phosphor and plasma display device |
| JP2008181886A (en) * | 2003-08-29 | 2008-08-07 | Matsushita Electric Ind Co Ltd | Plasma display device |
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