CN1898356A - Phosphor, phosphor paste and luminescent element being exited by vacuum ultraviolet ray - Google Patents
Phosphor, phosphor paste and luminescent element being exited by vacuum ultraviolet ray Download PDFInfo
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- CN1898356A CN1898356A CN 200480038594 CN200480038594A CN1898356A CN 1898356 A CN1898356 A CN 1898356A CN 200480038594 CN200480038594 CN 200480038594 CN 200480038594 A CN200480038594 A CN 200480038594A CN 1898356 A CN1898356 A CN 1898356A
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Abstract
The phosphor and a phosphor paste made of the phosphor exhibits high brightness even when they are exposed to a plasma. A phosphor which comprises the following fluorescent substances (I) and (II), wherein the fluorescent substance (I) contains a silicic acid salt and Mn as an activating agent, and the fluorescent substance (II) contains a compound represented by the formula (1), or, a compound represented by the formula (2), and Tb as an activating agent; (M<1>1-aM<2>a)(Mg1-b-cZnb)Al11-dMnc+dO19-(a+d)/2 (1) [wherein M<1> is at least one selected from the group consisting of La, Y and Gd, M<2> is at least one selected from the group consisting of Ca, Sr and Ba, a is 0 to 0.6, b is 0 to 1, c is 0 to 0.5, d is 0 to 0.5, b + d is 1 or less, and c + d is more than 0 and 0.5 or less]; and M<3>2O3 . mAl2O3 . nB2O3 (2) [wherein M<3> is at least one selected from the group consisting of La, Y and Gd, m is 2.5 to 4.5, and n is 3.5 to 5.5 ].
Description
Technical field
The present invention relates to fluor, phosphor paste and vacuum ultraviolet excited light-emitting element.
Background technology
Fluor is integral for the vacuum ultraviolet excited light-emitting element of plasm display panel (PDP) or rare gas lamp and so on, has developed various fluor.For example, send the fluor of green light as being excited by vacuum ultraviolet irradiation, known have with BaAl
12O
19: the aluminate that Mn represents reaches with Zn
2SiO
4: the silicate that Mn represents, these fluor are widely used.
The vacuum ultraviolet excited light-emitting element for example comprises: surface substrate; Back substrate; Be between surface substrate and the back substrate and respectively with they the next door that combines; Make by the space of surface (back side) substrate and next door encirclement and produce the electrode of discharge; Be formed at the luminescent coating of the inner surface of next door, surface substrate or back substrate, in the space, enclosed rare gas.In this vacuum ultraviolet excited light-emitting element, utilize discharge and the generation plasma body in the space of having enclosed rare gas, the generation vacuum ultraviolet ray utilizes this vacuum ultraviolet irradiation to come the excited fluophor layer and send visible light (for example green light).
In this kind vacuum ultraviolet excited light-emitting element, because fluor is exposed in the plasma body, brightness reduces few fluor when therefore requiring to have in being exposed to plasma body.
Summary of the invention
The objective of the invention is to, a kind of fluor is provided, it has enough brightness, and in being exposed to plasma body the time, brightness reduces few.In addition, other purpose of the present invention is, the phosphor paste, the vacuum ultraviolet excited light-emitting element that use this fluor are provided.
The inventor etc. further investigate repeatedly in order to solve described problem, and the result has finished the present invention.
That is, the invention provides and contain following fluorescent substance I and the fluor of II.
Fluorescent substance I contains silicate, as the Mn of activator,
Fluorescent substance II contains with the compound of formula (1) expression or with the compound of formula (2) expression, as the Tb of activator.
(M
1 1-aM
2 a)(Mg
1-b-cZn
b)Al
11-dMn
c+dO
19-(a+d)/2 (1)
[in the formula (1), M
1Be at least a kind that from constitute by La, Y and Gd one group, selects,
M
2Be at least a kind that from constitute by Ca, Sr and Ba one group, selects,
A is more than 0, below 0.6,
B is more than 0, below 1,
C is more than 0, below 0.5,
D is more than 0, below 0.5,
B+c is below 1,
C+d is above 0 and below 0.5.]
M
3 2O
3·mAl
2O
3·nB
2O
3 (2)
[in the formula (2), M
3Be at least a kind that from constitute by La, Y and Gd one group, selects,
M is more than 2.5, below 4.5,
N is more than 3.5, below 5.5.]
In addition, the invention provides the phosphor paste that contains described fluor, solvent and tamanori.
In addition, the invention provides the vacuum ultraviolet excited light-emitting element that comprises described fluor and electrode.
Embodiment
Fluor of the present invention contains described fluorescent substance I.
Fluorescent substance I contains silicate and as the material of the Mn of activator, preferably with the compound of formula (3) expression.
Zn
2-eMn
eSiO
4 (3)
[in the formula (3), e surpasses 0, and is preferred more than 0.001, below 0.3, preferred below 0.2.]
Fluor of the present invention also contains described fluorescent substance II.
Fluorescent substance II a kind of is the compound with described formula (1) expression, preferably in described formula (1) c+d at the compound more than 0.001, below 0.2.In addition, fluorescent substance II preferably in described formula (1) d be 0 compound, that is, preferably with the compound of formula (4) expression,
(M
1 1-aM
2 a)(Mg
1-b-cZn
bMn
c)Al
11O
19-(a/2) (4)
[in the formula (4), M
1Be at least a kind that from constitute by La, Y and Gd one group, selects,
M
2Be at least a kind that from constitute by Ca, Sr and Ba one group, selects,
A is more than 0, below 0.6,
B is more than 0, below 1,
C is more than 0, below 0.5,
B+c is below 1.]
More preferably M in formula (4)
1Be La, M
2For Ba, a are 0.4 compound, that is, more preferably with the compound of formula (5) expression.
(La
0.6Ba
0.4)(Mg
1-b-cZn
bMn
c)Al
11O
18.8 (5)
[in the formula (5), b is more than 0, below 1,
C is more than 0, below 0.5,
B+c is below 1.]
The another kind of fluorescent substance II for contain compound with formula (2) expression, as the material of the Tb of activator, preferably m is 3 in described formula (2), n is 4 compound, that is, the preferred compound of representing with formula (6).
(M
3 1-fTb
f)Al
3(BO
3)
4 (6)
[in the formula (6), M
3Be at least a kind that from constitute by La, Y and Gd one group, selects,
F is above 0 and below 0.6.]
More preferably M in formula (6)
3Be the compound of Y and Gd, that is, more preferably with the compound of formula (7) expression.
(Y
1-f-gGd
gTb
f)Al
3(BO
3)
4 (7)
[in the formula (7), f surpasses 0, and is preferred more than 0.001, preferred below 0.3 below 0.6,
G is more than 0, and is preferred more than 0.1, below 1, preferred below 0.5.]
Among the present invention, ratio as fluorescent substance I and fluorescent substance II, be made as 100% weight ratio represents with the total amount with fluorescent substance I and fluorescent substance II, the former is more than 5 weight %, more than the preferred 20 weight %, more preferably more than the 40 weight %, the latter is below 95 weight %, below the preferred 80 weight %, more preferably below the 60 weight %.
Do not contain fluor though fluor of the present invention preferably contains fluorescent substance I and fluorescent substance II, yet in the scope of not damaging effect of the present invention, can contain the compound beyond described yet except that the material it.
Fluor of the present invention is sent the fluor of green light by ultraviolet ray (near-ultraviolet ray etc.), X ray and electron rays equal excitation beyond vacuum ultraviolet ray, the vacuum ultraviolet ray, can be used for PDP, rare gas lamp, luminescent lamp, noctilucence exhibited light, X ray checking device, CRT etc.Particularly, fluor of the present invention in being exposed to plasma body after, the brightness height of irradiation during vacuum ultraviolet ray is applicable to the vacuum ultraviolet excited light-emitting element of PDP and rare gas lamp and so on.
In addition, fluor of the present invention sends the high green light of purity of color.Purity of color is represented that with chromaticity coordinates value (x, y) x of fluor of the present invention is usually more than 0.01, and is preferred more than 0.184, more preferably more than 0.19, usually below 0.35, preferred below 0.32, more preferably below 0.30, y is usually more than 0.60, preferred more than 0.61, more preferably more than 0.65, usually below 0.82, preferred below 0.735, more preferably below 0.72.
Fluor of the present invention for example utilizes fluorescent substance I and the mixed method manufacturing of fluorescent substance II is got final product.Mix and to use stirrer, ball mill, V-type mixing tank, three rollers etc.
Fluorescent substance I for example is the mixture of the metallic compound of silicon compound, manganic compound and zn cpds and so on, utilizes to burn till the mixture that will become fluorescent substance I and burn till and modulate and get final product.Metallic compound is decomposing under the such high temperature of firing temperature described later of oxyhydroxide, carbonate, nitrate, halogenide, oxalate of high purity (more than 99%) and so on and become the material of oxide compound or the oxide compound of high purity (more than 99%) etc., and their example is highly purified silicon-dioxide, manganous carbonate, zinc oxide etc.The mixed of these metallic compounds for example can use ball mill, V-type mixer, stirrer etc. to carry out.When becoming the compound of oxide compound when using at high temperature decomposing of oxyhydroxide, carbonate, nitrate, halogenide, oxalate and so on as raw material, before burning till, also can be with these compound pre-burnings.Pre-burning is anhydrated (attached water) or removes crystal water and form and get final product under the condition of oxide compound from these compounds removing from these compounds, is more than 600 ℃ and get final product under less than 900 ℃ condition in temperature for example.No matter pre-burning is that carry out in oxidizing atmosphere (air atmosphere etc.), reducing atmosphere any can.
Burning till can be at oxygen atmosphere; Contain in the oxidizing atmosphere (for example air atmosphere) of aerobic, nitrogen and argon and carry out, preferably in air atmosphere, carry out.Burn till normally temperature be more than 1000 ℃ and below 1500 ℃, the time is more than 1 hour and carried out under with interior condition at 100 hours.In addition, in burning till, also can add fusing assistant in the mixture before burning till, it is burnt till.
To burning till the fluorescent substance I of gained, also can implement the processing of pulverizing, clean, sieving and so on.Pulverize and for example to use ball mill, jet mill etc. to get final product, in addition, fluorescent substance I or processed fluorescent substance I also can burn till once more, by burning till once more, can obtain the high fluorescent substance I of crystallinity.
Fluorescent substance II for example is the mixture of the compound of lanthanum compound, yttrium compound, gadolinium compound, calcium cpd, strontium compound, barium compound, magnesium compound, zn cpds, aluminum compound, manganic compound, terbium compound, boron compound and so on, utilizes to burn till the mixture that will become fluorescent substance II and burn till to modulate and get final product.Compound is to become the material of oxide compound or the oxide compound of high purity (more than 99%) etc. decomposing under the such high temperature of firing temperature described later of oxyhydroxide, carbonate, nitrate, halogenide, oxalate of high purity (more than 99%) and so on, and their example is lanthanum trioxide, yttrium oxide, gadolinium sesquioxide, barium carbonate, alkaline magnesium carbonate, zinc oxide, aluminium hydroxide, manganous carbonate, terbium sesquioxide, boric acid etc.The mixture of these compounds is identical with fluorescent substance I, for example uses ball mill, V-type mixer, stirrer etc. to get final product.When becoming the compound of oxide compound when using at high temperature decomposing of oxyhydroxide, carbonate, nitrate, halogenide, oxalate and so on as raw material, before burning till, also can be with these compound pre-burnings.Pre-burning is anhydrated (attached water) or removes crystal water and form and get final product under the condition of oxide compound from these compounds removing from these compounds, is more than 600 ℃ and get final product under less than 900 ℃ condition in temperature for example.In addition, no matter pre-burning is that carry out under any atmosphere of air atmosphere, reducing atmosphere can.
Burn till preferably under the reducing gas atmosphere of rare gas element (argon, nitrogen etc.) of the hydrogen that contains 0.1～10 volume % and so on and carry out.Firing temperature is generally more than 1000 ℃, below 1500 ℃, more than 1 hour, in 100 hours.In addition, in burning till, also can add fusing assistant in the mixture before burning till, and the mixture of gained is burnt till.
To burning till the fluorescent substance II of gained, also can implement the processing of pulverizing, clean, sieving and so on.Pulverize and for example to use ball mill, jet mill etc. to get final product, in addition, fluorescent substance II or processed fluorescent substance II also can burn till once more, by burning till once more, can obtain the high fluorescent substance II of crystallinity.
Phosphor paste of the present invention contains described fluor, solvent and tamanori.
Solvent is so long as get final product at the material of this mixture being made when mixed pasty state with fluor, tamanori, for example the central high boiling alcohol (higher alcohols etc.) of monohydroxy-alcohol; With ethylene glycol or glycerine is the polyvalent alcohol of representative dibasic alcohol or trivalent alcohol and so on; With pure etherificate and/or esterification compound (ethylene glycol monoalkyl ether, ethylene glycol bisthioglycolate alkyl oxide, ethylene glycol alkyl oxide acetic ester, diglycol monotertiary alkyl oxide acetic ester, glycol ether dialkyl ether, propylene-glycol monoalky lether, propylene glycol dialkyl ether, propylene glycol alkyl acetic ester) etc.The amount of solvent is generally more than 50 weight parts, below 500 weight parts with respect to fluor 100 weight parts.
Tamanori is so long as on coating the phosphor paste of gained body material etc. and when having formed luminescent coating, the material that fluor can be fixed on body material etc. gets final product, for example celluosic resin (ethyl cellulose, methylcellulose gum, soluble cotton, rhodia, cellulose propionate, hydroxypropylcellulose, butyl cellulose, benzyl cellulose, modified-cellulose etc.); Acrylic resin (vinylformic acid, methacrylic acid, methyl acrylate, methyl methacrylate, ethyl propenoate, Jia Jibingxisuanyizhi, propyl acrylate, propyl methacrylate, isopropyl acrylate, isopropyl methacrylate, n-butyl acrylate, n-BMA, tert-butyl acrylate, the methacrylic tert-butyl acrylate, vinylformic acid-2-hydroxyl ethyl ester, 2-hydroxyethyl methacrylate, vinylformic acid-2-hydroxypropyl acrylate, methacrylic acid-2-hydroxypropyl acrylate, benzyl acrylate, benzyl methacrylate, vinylformic acid benzene oxygen ester, methacrylic acid benzene oxygen ester, isobornyl acrylate, isobornyl methacrylate, glycidyl methacrylate, vinylbenzene, the alpha-methyl styrene acrylamide, Methacrylamide, vinyl cyanide, monomeric at least 1 polymer of methacrylonitrile and so on); The ethene-vinyl acetate interpolymer; Polyvinyl butyral acetal, polyvinyl alcohol, propylene glycol, urethane resin, melmac, resol etc.The amount of tamanori is generally more than 10 weight parts, below 50 weight parts with respect to fluor 100 weight parts.
Phosphor paste of the present invention is the material that can easily form luminescent coating on substrate, next door etc., and in addition, the luminescent coating of gained is a high brightness, even and in being exposed to plasma body or during thermal treatment, brightness reduces also seldom.So phosphor paste of the present invention is very useful in the formation of the luminescent coating of the vacuum ultraviolet excited light-emitting element of PDP or rare gas lamp and so on.In the manufacturing of PDP, for example, it is heat-treated and tamanori is removed by phosphor paste is coated in the luminescent part, form luminescent coating.Phosphor paste of the present invention is for example by using ball mill or three rollers etc. that mixed manufacturing of described fluorescent substance I, fluorescent substance II, solvent and tamanori got final product.Mixed is more than 10 ℃, below 80 ℃ in temperature for example, and the time is more than 10 minutes, 5 hours to get final product under the interior condition.
Vacuum ultraviolet excited light-emitting display element of the present invention is the element that comprises described fluor, also comprises electrode usually except described fluor.As the vacuum ultraviolet excited light-emitting display element, can enumerate PDP, rare gas lamp etc.PDP comprises back substrate, luminescent coating, transparency electrode, bus electrode, dielectric layer and surface substrate.This kind PDP for example uses the spy to open the method manufacturing of being announced in the flat 10-195428 communique and gets final product.As the manufacture method of PDP, for example can enumerate the method for the operation that comprises (a)～(c).
(a) being separated of the inner face of substrate and possessing on the substrate surface and next door face of striated of address electrode overleaf by the next door, respectively (utilizing screen printing etc.) coating turn blue coloured light with phosphor paste, burn red with phosphor paste and glow green phosphor paste of the present invention, in about 300 ℃～about 600 ℃ temperature range, burn till, form the operation of luminescent coating;
(b) on the luminescent coating of gained, the operation of gluing of surfaces glass substrate overlappingly, this Watch glass substrate possesses the transparency electrode and the bus electrode of orthogonal directions, is provided with dielectric layer and protective layer at inner face;
(c) will be enclosed the rare gas (Xe, Ne etc.) of decompression by the exhaust gas inside of back substrate and surface substrate encirclement, form the operation of discharge space.
In addition, the rare gas lamp utilizes with the manufacturing of known method identical operations to get final product except use described phosphor paste as raw material.
Embodiment
Utilize embodiment that the present invention is further elaborated, yet the present invention is not limited to these embodiment.
The brightness of the fluor before handling:
Fluor is put into vacuum tank, remain 6.7Pa (5 * 10
-2Torr) below, use quasi-molecule 146nm lamp (USHIO Electric Co., Ltd system, H0012 type),, obtain the brightness of fluor to fluor irradiation vacuum ultraviolet ray.
The brightness of the fluor after the processing and chromaticity coordinates value:
Is that air, temperature are that 500 ℃, hold-time are to heat-treat under 30 minutes the condition with fluor in atmosphere, then, to be that 5 volume %Xe-95 volume %Ne, pressure are that 13.2Pa, temperature are that 500 ℃, hold-time are to have carried out heat treated fluor under 30 minutes the condition to put into vacuum tank in atmosphere, in making it to be exposed to the plasma body of 50W, after 15 minutes, obtain the brightness of fluor.(x y) is to use chroma-luminance meter (the ト プ コ of Co., Ltd. Application system BM-7 type) to measure to the chromaticity coordinates value.
Production Example 1 (manufacturing of fluorescent substance I)
With zinc oxide (Kyowa Chemical Industry Co., Ltd's system, purity 99.9%), manganous carbonate (Wako Pure Chemical Industries, Ltd.'s system, purity 99.9%), silicon-dioxide (Japanese AREOSIL Co., Ltd. system, purity 99.99%) with Zn: Mn: Si=1.9: (mol ratio) weighing in 0.1: 1.0, utilize wet-type ball mill to mix 4 hours they and solvent (Virahol), obtained slip.Solvent in the slip is removed with vaporizer, the dried powder of gained is put into alumina crucible, under air atmosphere, burnt till 2 hours then, slowly cool to room temperature thereafter, obtained with Zn at 1200 ℃
1.9Mn
0.1SiO
4The fluorescent substance I of expression.Measured the brightness of fluorescent substance I.Fluorescent substance I sends green light when having shone the vacuum ultraviolet ray of wavelength 146nm.The brightness of this moment is made as 100.To fluorescent substance I, brightness and chromaticity coordinates value after handling have been measured.The results are shown in Table 1.
Production Example 2 (manufacturing of fluorescent substance IIa)
With lanthanum trioxide (Shin-Etsu Chemial Co., Ltd's system, purity 99.99%), barium carbonate (Wako Pure Chemical Industries, Ltd.'s system, purity 99.9%), alkaline magnesium carbonate (Kyowa Chemical Industry Co., Ltd's system, purity is more than 99%), zinc oxide (Kyowa Chemical Industry Co., Ltd's system, purity 99.9%), aluminium hydroxide (Sumitomo Chemical Company Ltd's system, purity is more than 99%), manganous carbonate (Wako Pure Chemical Industries, Ltd.'s system, purity 99.9%) with La: Ba: Mg: Zn: Al: Mn=0.6: 0.4: 0.65: 0.3: (mol ratio) weighing in 11.0: 0.05, utilize wet-type ball mill to mix 4 hours they and Virahol, obtained slip.Solvent in the slip is removed with vaporizer, the dried powder of gained is put into alumina crucible, under air atmosphere, burnt till 24 hours then, slowly cool to room temperature thereafter at 1550 ℃.This is burnt till powder put into alumina crucible, at reducing atmosphere (hydrogen: 2 volume %, nitrogen: the equilibrated gas mixture), burnt till once more 2 hours, slowly cool to room temperature thereafter, obtained with La at 1400 ℃
0.6Ba
0.4(Mg
0.65Zn
0.3Mn
0.05) Al
11O
18.8The fluorescent substance IIa of expression.Fluorescent substance IIa sends green light when having shone the vacuum ultraviolet ray of wavelength 146nm.To handle forward and backward brightness, chromaticity coordinates value representation in table 1.
Production Example 3 (manufacturing of fluorescent substance IIb)
With yttrium oxide (Shin-Etsu Chemial Co., Ltd's system, purity 99.99%), gadolinium sesquioxide (Shin-Etsu Chemial Co., Ltd's system, purity 99.99%), terbium sesquioxide (Shin-Etsu Chemial Co., Ltd's system, purity 99.99%), aluminium hydroxide (Sumitomo Chemical Company Ltd's system, purity is more than 99%), boric acid (Wako Pure Chemical Industries, Ltd.'s system, purity is more than 99%) with Y: Gd: Tb: Al: B=0.385: 0.315: 0.3: 3.0: 4.0 (mol ratio) weighing, utilize dry ball to mix 4 hours them, obtained powder.Powder is put into alumina crucible, under air atmosphere, burnt till 20 hours then, slowly cool to room temperature thereafter, obtained with Y at 1150 ℃
0.385Gd
0.315Tb
0.3Al
3(BO
3)
4The fluorescent substance IIb of expression.Fluorescent substance IIb sends green light when having shone the vacuum ultraviolet ray of wavelength 146nm.To handle forward and backward brightness, chromaticity coordinates value representation in table 1.
Embodiment 1～7
With 5/95,20/80,40/60,50/50,60/40,80/20,95/5 (weight ratio) weighing, it is mixed, dry then that they and ethanol are carried out wet type, obtained fluor with fluorescent substance I, fluorescent substance IIa.To the fluor of gained, will handle forward and backward brightness and chromaticity coordinates value representation in table 1.
Table 1
| Weight ratio (weight %) | Relative brightness | The chromaticity coordinates value (x, y) | |||
| Fluorescent substance I | Fluorescent substance IIa | Before the processing | After the processing | ||
| Production Example 1 | 100 | 0 | 100 | 56 | (0.256，0.706) |
| Embodiment 1 | 95 | 5 | 98 | 61 | (0.250，0.707) |
| Embodiment 2 | 80 | 20 | 94 | 66 | (0.240，0.712) |
| Embodiment 3 | 60 | 40 | 87 | 69 | (0.231，0.718) |
| Embodiment 4 | 50 | 50 | 84 | 72 | (0.224，0.721) |
| Embodiment 5 | 40 | 60 | 82 | 68 | (0.218，0.725) |
| Embodiment 6 | 20 | 80 | 75 | 65 | (0.205，0.730) |
| Embodiment 7 | 5 | 95 | 71 | 65 | (0.184，0.735) |
| Production Example 2 | 0 | 100 | 68 | 64 | (0.180，0.739) |
According to the result of table 1, the brightness among the embodiment 1～7 after the processing of the fluor of gained is very high, and sends the high green light of purity of color.
Embodiment 8～14
With 5/95,20/80,40/60,50/50,60/40,80/20,95/5 (weight ratio) weighing, it is mixed, dry then that they and ethanol are carried out wet type, obtained fluor with fluorescent substance I, fluorescent substance IIb.To the fluor of gained, will handle forward and backward brightness and chromaticity coordinates value representation in table 1.
Table 2
| Weight ratio (weight %) | Relative brightness | The chromaticity coordinates value (x, y) | |||
| Fluorescent substance I | Fluorescent substance IIa | Before the processing | After the processing | ||
| Production Example 1 | 100 | 0 | 100 | 56 | (0.256，0.706) |
| Embodiment 8 | 95 | 5 | 101 | 60 | (0.258，0.700) |
| Embodiment 9 | 80 | 20 | 101 | 71 | (0.271，0.682) |
| Embodiment 10 | 60 | 40 | 103 | 80 | (0.286，0.647) |
| Embodiment 11 | 50 | 50 | 105 | 88 | (0.298，0.634) |
| Embodiment 12 | 40 | 60 | 106 | 91 | (0.311，0.621) |
| Embodiment 13 | 20 | 80 | 105 | 98 | (0.321，0.608) |
| Embodiment 14 | 5 | 95 | 106 | 105 | (0.328，0.600) |
| Production Example 3 | 0 | 100 | 108 | 107 | (0.335，0.583) |
According to the result of table 2, the brightness among the embodiment 8～14 after the processing of the fluor of gained is very high, and sends the high green light of purity of color.
Claims (10)
1. a fluor is characterized in that, contains following fluorescent substance I and II,
Fluorescent substance I contains silicate, as the Mn of activator,
Fluorescent substance II contains with the compound of formula (1) expression or with the compound of formula (2) expression, as the Tb of activator,
(M
1 1-aM
2 a)(Mg
1-b-cZn
b)Al
11-dMn
c+dO
19-(a+d)/2 (1)
[in the formula (1), M
1Be at least a kind that from constitute by La, Y and Gd one group, selects,
M
2Be at least a kind that from constitute by Ca, Sr and Ba one group, selects,
A is more than 0, below 0.6,
B is more than 0, below 1,
C is more than 0, below 0.5,
D is more than 0, below 0.5,
B+c is below 1,
C+d is above 0 and below 0.5]
M
3 2O
3·mAl
2O
3·nB
2O
3 (2)
[in the formula (2), M
3Be at least a kind that from constitute by La, Y and Gd one group, selects,
M is more than 2.5, below 4.5,
N is more than 3.5, below 5.5].
2. fluor according to claim 1 is characterized in that, the weight ratio of fluorescent substance I and fluorescent substance II is 5/95～95/5.
3. fluor according to claim 1 and 2 is characterized in that, fluorescent substance I is by with formula (3) expression,
Zn
2-eMn
eSiO
4 (3)，
[in the formula (3), e is above 0 and below 0.3].
4. according to any described fluor in the claim 1～3, it is characterized in that fluorescent substance II is by with formula (4) expression,
(M
1 1-aM
2 a)(Mg
1-b-cZn
bMn
c)Al
11O
19-(a/2) (4)
[in the formula (4), M
1Be at least a kind that from constitute by La, Y and Gd one group, selects,
M
2Be at least a kind that from constitute by Ca, Sr and Ba one group, selects,
A is more than 0, below 0.6,
B is more than 0, below 1,
C is more than 0, below 0.5,
B+c is below 1].
5. fluor according to claim 4 is characterized in that, fluorescent substance II is by with formula (5) expression,
(La
.6Ba
0.4)(Mg
1-b-cZn
bMn
c)Al
11O
18.8 (5)
[in the formula (5), b is more than 0, below 1,
C is more than 0, below 0.5,
B+c is below 1].
6. according to any described fluor in the claim 1～3, it is characterized in that fluorescent substance II is by with formula (6) expression,
(M
3 1-fTb
f)Al
3(BO
3)
4 (6)
[in the formula (6), M
3Be at least a kind that from constitute by La, Y and Gd one group, selects,
F is above 0 and below 0.6].
7. fluor according to claim 6 is characterized in that, fluorescent substance II is by with formula (7) expression,
(Y
1-f-gGd
gTb
f)Al
3(BO
3)
4 (7)
[in the formula (7), f surpasses 0 and below 0.6,
G is more than 0, below 1].
8. phosphor paste that contains any described fluor, solvent and a tamanori in the claim 1～7.
9. vacuum ultraviolet excited light-emitting element that comprises any described fluor and electrode in the claim 1～7.
In the claim 1～7 any described fluor as the use of vacuum ultraviolet excited light-emitting element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP429398/2003 | 2003-12-25 | ||
| JP2003429399A JP2005187587A (en) | 2003-12-25 | 2003-12-25 | Phosphor for vacuum-ultraviolet-excited light emitting element |
| JP429399/2003 | 2003-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1898356A true CN1898356A (en) | 2007-01-17 |
Family
ID=34788080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480038594 Pending CN1898356A (en) | 2003-12-25 | 2004-12-15 | Phosphor, phosphor paste and luminescent element being exited by vacuum ultraviolet ray |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005187587A (en) |
| CN (1) | CN1898356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245245B (en) * | 2007-02-16 | 2013-06-26 | 三星Sdi株式会社 | Phosphor and plasma display panel using the same |
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| JP2008075083A (en) | 2006-09-20 | 2008-04-03 | Samsung Sdi Co Ltd | Green fluorescent substance for use in plasma display panel, and plasma display panel utilizing it |
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2003
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245245B (en) * | 2007-02-16 | 2013-06-26 | 三星Sdi株式会社 | Phosphor and plasma display panel using the same |
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| JP2005187587A (en) | 2005-07-14 |
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