JPH1111979A - Dielectric forming material for plasma display panel - Google Patents

Dielectric forming material for plasma display panel

Info

Publication number
JPH1111979A
JPH1111979A JP9187321A JP18732197A JPH1111979A JP H1111979 A JPH1111979 A JP H1111979A JP 9187321 A JP9187321 A JP 9187321A JP 18732197 A JP18732197 A JP 18732197A JP H1111979 A JPH1111979 A JP H1111979A
Authority
JP
Japan
Prior art keywords
glass
display panel
plasma display
sheet
powder
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.)
Granted
Application number
JP9187321A
Other languages
Japanese (ja)
Other versions
JP3906946B2 (en
Inventor
Hiromitsu Watanabe
広光 渡辺
Masahiko Ouchi
雅彦 應治
Kazuo Hatano
和夫 波多野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Electric Glass Co Ltd
Original Assignee
Nippon Electric Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Electric Glass Co Ltd filed Critical Nippon Electric Glass Co Ltd
Priority to JP18732197A priority Critical patent/JP3906946B2/en
Publication of JPH1111979A publication Critical patent/JPH1111979A/en
Application granted granted Critical
Publication of JP3906946B2 publication Critical patent/JP3906946B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a material excellent in the strength and the flexibility necessary as a sheet, the working performance such as self-sticking property and capable of forming a dielectric layer high in voltage resistance by blending a glass powder, a ceramic powder, a thermoplastic resin and a plasticizer in a specific ratio to form the glass sheet. SOLUTION: The glass sheet is formed by blending 60-80 wt.% glass poor, 0-10 wt.% ceramic powder, 5-30 wt.% thermoplastic resin and 0-10 wt.% plasticizer. The thickness of the sheet is desirably 50-100 μm. As the glass powder, one having a composition of 50-75% PbO, 2-30% B2 O3 , 2-35% SiO2 and 0-20% ZnO (by weight) is preferable. As the ceramic powder, alumina, zirconia and the like are used. As the thermoplastic resin, polybutyl methacrylate and the like are used. As the plasticizer, dioctyl phthalate and the like are used. The glass shows excellent flowability in firing at 500-600 deg.C and forms the glass film having <=0.2 μm surface roughness.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、プラズマディスプレー
パネル用誘電体形成材料に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dielectric material for a plasma display panel.

【0002】[0002]

【従来の技術】プラズマディスプレーパネルの前面ガラ
ス板には、プラズマ放電用の電極が形成され、その上に
放電維持のための誘電体層が形成される。誘電体層は高
い耐電圧を有することが必要とされ、このために誘電体
層には表面が平滑であること、膜厚が均一であること、
泡が極めて少なく、また小さいこと等が求められてい
る。
2. Description of the Related Art An electrode for plasma discharge is formed on a front glass plate of a plasma display panel, and a dielectric layer for maintaining discharge is formed thereon. The dielectric layer is required to have a high withstand voltage, and therefore, the dielectric layer must have a smooth surface, a uniform thickness,
It is required that the amount of bubbles is extremely small and small.

【0003】従来、このような誘電体層は、鉛ガラス粉
末を含むペーストをスクリーン印刷し、焼成することに
よって形成される。
Conventionally, such a dielectric layer is formed by screen-printing and firing a paste containing lead glass powder.

【0004】[0004]

【発明が解決しようとする課題】しかしながら上記した
従来の材料では、印刷後にスクリーンメッシュの跡が残
って平滑な表面が得難い、膜厚が安定しない、泡が多数
残存する等の問題を有している。また誘電体層として十
分な膜厚(約30〜40μm)を得るためには3〜5回
程度印刷を繰り返さなければならず、印刷の度に行う乾
燥工程での溶剤の揮発が作業環境の汚染を招き易い。
However, the above-mentioned conventional materials have problems that a mark of a screen mesh remains after printing, and it is difficult to obtain a smooth surface, the film thickness is not stable, and many bubbles remain. I have. In addition, in order to obtain a sufficient film thickness (about 30 to 40 μm) as a dielectric layer, printing must be repeated about 3 to 5 times, and evaporation of a solvent in a drying process performed every time printing causes contamination of a working environment. Is easy to invite.

【0005】本発明の目的は、作業性に優れ、作業環境
の汚染を招き難く、しかも耐電圧の高い誘電体層を形成
することが可能な誘電体形成材料を提供することであ
る。
An object of the present invention is to provide a dielectric material which is excellent in workability, hardly causes contamination of a work environment, and can form a dielectric layer having high withstand voltage.

【0006】[0006]

【課題を解決するための手段】本発明者等は、上記目的
を達成すべく、種々の実験を重ねた結果、ガラス粉末と
熱可塑性樹脂と可塑剤を特定の範囲で混合してシート状
に成形することにより、上記目的が達成できることを見
いだし、本発明として提案するものである。
The present inventors have conducted various experiments to achieve the above object, and as a result, mixed glass powder, thermoplastic resin and plasticizer in a specific range to form a sheet. It has been found that the above-mentioned object can be achieved by molding, and the present invention is proposed.

【0007】即ち、本発明のプラズマディスプレーパネ
ル用誘電体形成材料は、重量百分率で、ガラス粉末を6
0〜80%、セラミック粉末を0〜10%、熱可塑性樹
脂を5〜30%、可塑剤を0〜10%含むガラスシート
からなることを特徴とする。
That is, the dielectric material for forming a plasma display panel according to the present invention comprises 6 parts by weight of glass powder.
It is made of a glass sheet containing 0 to 80%, 0 to 10% of a ceramic powder, 5 to 30% of a thermoplastic resin, and 0 to 10% of a plasticizer.

【0008】以下、各構成成分について詳細に説明す
る。
Hereinafter, each component will be described in detail.

【0009】ガラス粉末は、高い耐電圧を有する誘電体
層を形成するための基本材料であり、その混合割合は、
60〜80重量%、好ましくは65〜77重量%であ
る。ガラス粉末が60重量%より少なくなると樹脂や可
塑剤が相対的に多くなるため、焼成時に発泡が生じ、高
い耐電圧を有する誘電体層が得られなくなる。一方、8
0重量%より多くなると、樹脂や可塑剤が相対的に少な
くなるため、ガラスシートとしての強度が弱くなり、作
業性が悪くなる。ガラス粉末としては、重量百分率で、
PbO 50〜75%(好ましくは55〜70%)、B
23 2〜30%(好ましくは5〜25%)、SiO
2 2〜35%(好ましくは3〜31%)、ZnO 0
〜20%(好ましくは0〜10%)の組成を有するガラ
スや、重量百分率で、PbO 30〜55%(好ましく
は40〜50%)、B23 10〜40%(好ましく
は15〜35%)、SiO2 1〜15%(好ましくは
2〜10%)、ZnO 0〜30%(好ましくは10〜
30%)、BaO+CaO+Bi23 0〜30%
(好ましくは3〜20%)の組成を有するガラスや、重
量百分率で、ZnO 25〜45%(好ましくは30〜
40%)、Bi2315〜35%(好ましくは20〜
30%)、B23 10〜30%(好ましくは17〜
25%)、SiO2 0.5〜8%(好ましくは3〜7
%)、CaO+SrO+BaO 8〜24%(好ましく
は10〜20%)の組成を有するガラスが、500〜6
00℃の焼成で良好な流動性を示し、また絶縁特性に優
れるとともに安定であるために好適である。
[0009] Glass powder is a basic material for forming a dielectric layer having a high withstand voltage.
It is 60 to 80% by weight, preferably 65 to 77% by weight. When the glass powder content is less than 60% by weight, the resin and the plasticizer are relatively increased, so that foaming occurs during firing, and a dielectric layer having a high withstand voltage cannot be obtained. On the other hand, 8
If the content is more than 0% by weight, the resin and the plasticizer are relatively reduced, so that the strength as a glass sheet is weakened and the workability is deteriorated. As glass powder, by weight percentage,
PbO 50 to 75% (preferably 55 to 70%), B
2 O 3 2-30% (preferably 5-25%), SiO
2 2-35% (preferably 3~31%), ZnO 0
And glass having a composition of 20% (preferably 0-10%), by weight percent, PbO 30 to 55% (preferably 40~50%), B 2 O 3 10~40% ( preferably 15 to 35 %), SiO 2 1 to 15% (preferably 2 to 10%), ZnO 0 to 30% (preferably 10 to 10%)
30%), BaO + CaO + Bi 2 O 3 0~30%
(Preferably 3 to 20%) glass or 25 to 45% (preferably 30 to 30%) ZnO by weight percentage.
40%), Bi 2 O 3 15~35% ( preferably 20 to
30%), B 2 O 3 10~30% ( preferably 17 to
25%), SiO 2 0.5~8% ( preferably 3 to 7
%), CaO + SrO + BaO having a composition of 8 to 24% (preferably 10 to 20%) is 500 to 6%.
It is suitable because it shows good fluidity when fired at 00 ° C., and has excellent insulating properties and is stable.

【0010】セラミック粉末は、誘電体形成材料の流動
性、焼結性或いは熱膨張係数を調整するために添加する
成分であり、必要に応じて10重量%まで、好ましくは
5重量%まで添加可能である。セラミック粉末として
は、アルミナ粉末、ジルコニア粉末、シリカ粉末、ジル
コン粉末等が使用可能であり、これらを単独或いは混合
して使用する。しかしながらセラミック粉末が10重量
%より多くなると焼結が不十分となり、高い耐電圧を有
する誘電体層が得られなくなる。
[0010] Ceramic powder is a component added to adjust the fluidity, sinterability or coefficient of thermal expansion of the dielectric material, and can be added up to 10% by weight, preferably up to 5% by weight, if necessary. It is. As the ceramic powder, alumina powder, zirconia powder, silica powder, zircon powder and the like can be used, and these can be used alone or as a mixture. However, when the amount of the ceramic powder exceeds 10% by weight, sintering becomes insufficient, and a dielectric layer having a high withstand voltage cannot be obtained.

【0011】熱可塑性樹脂は、ガラスシートに必要な強
度と柔軟性、及び自己接着性を付与するための材料であ
り、その混合割合は5〜30重量%、好ましくは10〜
25重量%である。熱可塑性樹脂としては、ポリブチル
メタアクリレート樹脂、ポリビニルブチラール樹脂、ポ
リメチルメタアクリレート樹脂、ポリエチルメタアクリ
レート樹脂、エチルセルロース等が使用可能であり、こ
れらを単独あるいは混合して使用する。熱可塑性樹脂が
5重量%より少なくなると上記の効果が得られなくな
り、30重量%より多くなるとシートの焼成時に発泡が
生じ、高い耐電圧を有する誘電体層が得られなくなる。
The thermoplastic resin is a material for imparting necessary strength and flexibility to the glass sheet and self-adhesiveness, and its mixing ratio is 5 to 30% by weight, preferably 10 to 30% by weight.
25% by weight. As the thermoplastic resin, polybutyl methacrylate resin, polyvinyl butyral resin, polymethyl methacrylate resin, polyethyl methacrylate resin, ethyl cellulose and the like can be used, and these can be used alone or in combination. If the content of the thermoplastic resin is less than 5% by weight, the above effects cannot be obtained. If the content is more than 30% by weight, foaming occurs during firing of the sheet, and a dielectric layer having a high withstand voltage cannot be obtained.

【0012】可塑剤は、ガラスシートに柔軟性を高める
とともに自己接着性を付与するために添加する成分であ
り、その混合割合は0〜10重量%、好ましくは0.1
〜7重量%である。可塑剤としてはブチルベンジルフタ
レート、ジオクチルフタレート、ジイソオクチルフタレ
ート、ジカプリルフタレート、ジブチルフタレートが使
用可能であり、これらを単独あるいは混合して使用す
る。しかしながら可塑剤が10重量%より多くなるとシ
ートの強度が低下するとともに、表面がベタつき過ぎて
作業性が低下する。
[0012] The plasticizer is a component added to enhance flexibility and impart self-adhesiveness to the glass sheet, and its mixing ratio is 0 to 10% by weight, preferably 0.1% by weight.
~ 7% by weight. As the plasticizer, butylbenzyl phthalate, dioctyl phthalate, diisooctyl phthalate, dicapryl phthalate, and dibutyl phthalate can be used, and these can be used alone or in combination. However, when the amount of the plasticizer is more than 10% by weight, the strength of the sheet is reduced, and the surface is too sticky, and the workability is reduced.

【0013】また本発明の材料は、ガラスの軟化点より
10℃高い温度で焼成したときに、形成されるガラス膜
の表面粗さRaが0.2μm以下になることが好まし
い。即ち、表面粗さRaが0.2μmより大きい場合
は、高い耐電圧を有する誘電体層を形成することが難し
くなるためである。
Further, when the material of the present invention is fired at a temperature 10 ° C. higher than the softening point of the glass, the surface roughness Ra of the formed glass film is preferably 0.2 μm or less. That is, when the surface roughness Ra is larger than 0.2 μm, it becomes difficult to form a dielectric layer having a high withstand voltage.

【0014】次に、本発明の材料を作製する方法を説明
する。
Next, a method for producing the material of the present invention will be described.

【0015】まず、上記組成を有するように、ガラス粉
末、熱可塑性樹脂及び可塑剤を混合する。また必要に応
じてセラミック粉末を添加する。なおガラス粉末やセラ
ミック粉末は、それぞれ最大粒径が5〜30μm及び
0.1〜15μmのものを使用することが望ましい。次
いでトルエン等の主溶媒や、イソプロピルアルコール等
の補助溶剤を添加してスラリーとし、このスラリーをド
クターブレード法によって、ポリエチレンテレフタレー
ト(PET)等のフィルム上にシート成形する。このと
き乾燥後のシート厚が約50〜100μmとなるように
成形することが好ましい。その後、乾燥させることによ
って溶媒や溶剤を除去し、ガラスシートの形態を有する
プラズマディスプレーパネル用誘電体材料を得ることが
できる。
First, a glass powder, a thermoplastic resin and a plasticizer are mixed so as to have the above composition. Also, a ceramic powder is added as needed. It is desirable to use glass powder and ceramic powder having a maximum particle size of 5 to 30 μm and 0.1 to 15 μm, respectively. Next, a slurry is formed by adding a main solvent such as toluene or an auxiliary solvent such as isopropyl alcohol, and the slurry is formed into a sheet on a film such as polyethylene terephthalate (PET) by a doctor blade method. At this time, it is preferable to form the sheet so that the sheet thickness after drying is about 50 to 100 μm. After that, the solvent and the solvent are removed by drying, and a dielectric material for a plasma display panel having a glass sheet form can be obtained.

【0016】次に本発明の材料の使用方法を説明する。Next, the method of using the material of the present invention will be described.

【0017】まず、プラズマディスプレーパネルに用い
られる前面ガラス板を用意する。前面ガラス板には、予
め電極が形成されており、その上に本発明の材料を熱圧
着によって接着する。熱圧着は、50〜200℃で1〜
5kgf/cm2 の条件で行うことが好ましい。その
後、500〜600℃で5〜15分間焼成することによ
り、誘電体層を形成することができる。
First, a front glass plate used for a plasma display panel is prepared. Electrodes are formed on the front glass plate in advance, and the material of the present invention is bonded thereon by thermocompression bonding. Thermocompression bonding is 1 to 50 to 200 ° C.
It is preferable to carry out under the condition of 5 kgf / cm 2 . Thereafter, by firing at 500 to 600 ° C. for 5 to 15 minutes, a dielectric layer can be formed.

【0018】[0018]

【作用】本発明のプラズマディスプレー用誘電体形成材
料は、シート成形に使用されるスラリーが、スクリーン
印刷で使用されるペーストに比べてかなり低粘度である
ため、成形時における泡の巻き込みが少なく、表面が平
滑で均一な膜厚を有するガラス膜を得ることができる。
In the dielectric material for plasma display of the present invention, since the slurry used for sheet forming has a considerably lower viscosity than the paste used for screen printing, bubbles are less involved in the forming, and A glass film having a smooth surface and a uniform film thickness can be obtained.

【0019】[0019]

【実施例】以下、本発明のプラズマディスプレーパネル
用誘電体形成材料を実施例に基づいて詳細に説明する。
The dielectric material for a plasma display panel according to the present invention will be described in detail below with reference to examples.

【0020】表1は本実施例で使用するガラス粉末(試
料A〜D)を示している。
Table 1 shows the glass powders (samples A to D) used in this embodiment.

【0021】[0021]

【表1】 [Table 1]

【0022】各ガラス粉末は以下のようにして作製し
た。まず表に示す酸化物組成となるようにガラス原料を
調合し、均一に混合した後、白金ルツボに入れ、125
0℃で2時間溶融し、均一なガラスとした。これらをア
ルミナボールミルで粉砕し、目開き53μmの網フルイ
で分級した。このようにしてガラス粉末を得た。
Each glass powder was produced as follows. First, a glass raw material was prepared so as to have an oxide composition shown in the table, and after being uniformly mixed, put into a platinum crucible,
Melting was performed at 0 ° C. for 2 hours to obtain a uniform glass. These were pulverized with an alumina ball mill and classified with a screen sieve having a mesh size of 53 μm. Thus, a glass powder was obtained.

【0023】表2〜4は、本発明の実施例(試料No.
1〜14)及び従来例(試料No.15)を示してい
る。
Tables 2 to 4 show examples of the present invention (sample Nos.
1 to 14) and a conventional example (sample No. 15).

【0024】[0024]

【表2】 [Table 2]

【0025】[0025]

【表3】 [Table 3]

【0026】[0026]

【表4】 [Table 4]

【0027】No.1〜14の各試料は以下のようにし
て作製した。
No. Each of the samples 1 to 14 was produced as follows.

【0028】まず、上記ガラス粉末に対し、平均粒径1
μm程度の各種セラミック粉末を、表に示す割合で混合
した。さらに各種の熱可塑性樹脂及び可塑剤を表に示す
割合で混合し、主溶媒としてトルエンを30重量%、補
助溶剤としてイソプロピルアルコールを2重量%混合
し、スラリーとした。次いでこのスラリーを、焼成後の
膜厚が30μmとなるように、ドクターブレード法によ
ってPETフィルム上にシート成形し、乾燥させること
によってトルエンとイソプロピルアルコールを除去し、
85μmの厚みを有するシート状の試料を得た。
First, an average particle size of 1
Various ceramic powders of about μm were mixed at the ratios shown in the table. Further, various thermoplastic resins and plasticizers were mixed in the proportions shown in the table, and 30% by weight of toluene as a main solvent and 2% by weight of isopropyl alcohol as an auxiliary solvent were mixed to form a slurry. Next, this slurry is formed into a sheet on a PET film by a doctor blade method so that the film thickness after firing becomes 30 μm, and toluene and isopropyl alcohol are removed by drying.
A sheet-shaped sample having a thickness of 85 μm was obtained.

【0029】また従来例である試料No.15は、上記
したガラス粉末Aとエチルセルロースと有機溶剤(ター
ピネオール)を重量%で70%、5%、25%の割合で
混練してペースト状にしたものを使用した。
Further, the sample No. For No. 15, a paste obtained by kneading the above-mentioned glass powder A, ethyl cellulose and an organic solvent (terpineol) at a ratio of 70%, 5% and 25% by weight was used.

【0030】こうして得られた各試料について、焼成後
のガラス膜の平均膜厚、表面粗さ、膜厚のバラツキ、残
存する泡の大きさについて評価した。また試料No.1
〜14は、さらに自己接着性について評価した。結果を
表に示す。
The samples thus obtained were evaluated for the average film thickness, surface roughness, variation in film thickness, and size of remaining bubbles of the fired glass film. Sample No. 1
No. to No. 14 were further evaluated for self-adhesiveness. The results are shown in the table.

【0031】表から明らかなように、従来例である試料
No.15は、表面粗さRaが0.5μm、膜厚のバラ
ツキが±10%であり、直径25μmの大きさの泡が残
存していた。一方、実施例である試料No.1〜14
は、表面粗さRaが0.15μm以下、膜厚のバラツキ
が±3%以下であり、残存する泡の直径は15μm以下
であった。また何れも自己接着性を有していた。
As is clear from the table, the sample No. In No. 15, the surface roughness Ra was 0.5 μm, the variation in the film thickness was ± 10%, and bubbles having a diameter of 25 μm remained. On the other hand, the sample No. 1-14
Had a surface roughness Ra of 0.15 μm or less, a variation in film thickness of ± 3% or less, and a diameter of remaining bubbles of 15 μm or less. In addition, all had self-adhesiveness.

【0032】これらの事実から、本発明の材料は、従来
例に比べて耐電圧の高い誘電体層を形成できることがわ
かる。
From these facts, it is understood that the material of the present invention can form a dielectric layer having a higher withstand voltage than the conventional example.

【0033】なお表面粗さは、まずガラス板の表面に各
試料(No.1〜14)を120℃、2.5kgf/c
2 の条件で熱圧着し、各ガラスの軟化点より10℃高
い温度で10分間焼成してガラス膜を形成した後、触針
式表面粗さ計を用いて測定した。膜厚のバラツキは、焼
成後のガラス膜の膜厚をデジタルマイクロメーターにて
9点測定し、目標膜厚(30μm)との膜厚差を評価し
た。残存する泡の直径は、顕微鏡観察により評価した。
なお試料No.15は、焼成後の膜厚が30μmとなる
ように、スクリーン印刷法を用い、ガラス板上に印刷、
乾燥を4回繰り返した後、上記と同様の条件で焼成した
ものについて評価した。
The surface roughness of each sample (No. 1 to 14) was first measured at 120 ° C. and 2.5 kgf / c on the surface of a glass plate.
After thermocompression bonding under the conditions of m 2 and baking for 10 minutes at a temperature higher than the softening point of each glass by 10 ° C. to form a glass film, the measurement was performed using a stylus type surface roughness meter. The variation in the film thickness was determined by measuring the thickness of the glass film after firing at nine points using a digital micrometer, and evaluating the difference in film thickness from the target film thickness (30 μm). The diameter of the remaining foam was evaluated by microscopic observation.
The sample No. 15 is printed on a glass plate using a screen printing method so that the film thickness after firing becomes 30 μm;
After the drying was repeated four times, what was fired under the same conditions as above was evaluated.

【0034】また自己接着性については次のようにして
評価した。まず各試料をアルミナ基板に指圧(約1kg
f/cm2 )で貼り付けた後、試料を下にして室温で2
4時間放置した。次いで試料が落下しないか否かを目視
で確認し、試料が落下しなかった場合は○、落下した場
合は×として、表に示した。
The self-adhesion was evaluated as follows. First, apply finger pressure (approx.
f / cm 2 ) and place the sample down at room temperature for 2 hours.
Left for 4 hours. Next, it was visually confirmed whether or not the sample did not fall, and the result was shown in the table as ○ when the sample did not fall, and as × when the sample did fall.

【0035】[0035]

【発明の効果】以上のように本発明のプラズマディスプ
レーパネル用誘電体形成材料は、スクリーン印刷法によ
り塗布される従来の材料に比べて、焼成後のガラス膜の
表面が平滑であり、均一な膜厚を有し、しかも残存する
泡が少ないために、耐電圧の高い誘電体層を形成するこ
とができる。
As described above, the dielectric material for a plasma display panel of the present invention has a smooth and uniform surface of the glass film after firing, as compared with the conventional material applied by the screen printing method. Since it has a film thickness and few remaining bubbles, a dielectric layer having high withstand voltage can be formed.

【0036】また本発明の材料は、熱圧着等によって基
板上に貼り付けるだけでよく、従来の材料のように3〜
5回程度印刷、乾燥を繰り返す必要がないため、作業性
を著しく向上させることができる。しかも溶媒等を揮発
させる乾燥工程はガラスシートの製造時に1回行うだけ
でよく、従来の材料に比べて作業環境の汚染を招き難
い。
Further, the material of the present invention need only be attached to a substrate by thermocompression bonding or the like.
Since there is no need to repeat printing and drying about five times, workability can be significantly improved. Moreover, the drying step for volatilizing the solvent or the like only needs to be performed once at the time of manufacturing the glass sheet, and is less likely to cause contamination of the working environment than conventional materials.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 FI H01J 11/02 H01J 11/02 B 17/16 17/16 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI H01J 11/02 H01J 11/02 B 17/16 17/16

Claims (7)

【特許請求の範囲】[Claims] 【請求項1】 重量百分率でガラス粉末を60〜80
%、セラミック粉末を0〜10%、熱可塑性樹脂を5〜
30%、可塑剤を0〜10%含むガラスシートからなる
ことを特徴とするプラズマディスプレーパネル用誘電体
形成材料。
1. The method according to claim 1, wherein the glass powder is 60 to 80% by weight.
%, Ceramic powder 0-10%, thermoplastic resin 5-5%
A dielectric material for a plasma display panel, comprising a glass sheet containing 30% and a plasticizer in an amount of 0 to 10%.
【請求項2】 自己接着性を有することを特徴とする請
求項1のプラズマディスプレーパネル用誘電体形成材
料。
2. The dielectric material for a plasma display panel according to claim 1, wherein the material has self-adhesiveness.
【請求項3】 ガラス粉末が、重量百分率で、PbO
50〜75%、B23 2〜30%、SiO2 2〜
35%、ZnO 0〜20%の組成を有することを特徴
とする請求項1のプラズマディスプレーパネル用誘電体
形成材料。
3. The method according to claim 1, wherein the glass powder is PbO
50~75%, B 2 O 3 2~30 %, SiO 2 2~
2. The dielectric material for a plasma display panel according to claim 1, having a composition of 35% and ZnO of 0 to 20%.
【請求項4】 ガラス粉末が、重量百分率で、PbO
30〜55%、B23 10〜40%、SiO2
〜15%、ZnO 0〜30%、BaO+CaO+Bi
23 0〜30%の組成を有することを特徴とする請
求項1のプラズマディスプレーパネル用誘電体形成材
料。
4. The method according to claim 1, wherein the glass powder is PbO
30~55%, B 2 O 3 10~40 %, SiO 2 1
-15%, ZnO 0-30%, BaO + CaO + Bi
Dielectric formation material for a plasma display panel of claim 1, characterized in that it has a composition of 2 O 3 0~30%.
【請求項5】 ガラス粉末が、重量百分率で、ZnO
25〜45%、Bi23 15〜35%、B23
10〜30%、SiO2 0.5〜8%、CaO+Sr
O+BaO 8〜24%の組成を有することを特徴とす
る請求項1のプラズマディスプレーパネル用誘電体形成
材料。
5. The method according to claim 1, wherein the glass powder is ZnO in weight percentage.
25~45%, Bi 2 O 3 15~35 %, B 2 O 3
10~30%, SiO 2 0.5~8%, CaO + Sr
2. The dielectric material for a plasma display panel according to claim 1, wherein the composition has a composition of O + BaO of 8 to 24%.
【請求項6】 ガラスの軟化点より10℃高い温度で焼
成することにより形成されるガラス膜の表面粗さRaが
0.2μm以下であることを特徴とする請求項1〜5の
プラズマディスプレーパネル用誘電体形成材料。
6. The plasma display panel according to claim 1, wherein the surface roughness Ra of the glass film formed by firing at a temperature higher by 10 ° C. than the softening point of the glass is 0.2 μm or less. For forming dielectric.
【請求項7】 シート厚が50〜100μmであること
を特徴とする請求項1〜6のプラズマディスプレーパネ
ル用誘電体形成材料。
7. The dielectric material for a plasma display panel according to claim 1, wherein the sheet has a thickness of 50 to 100 μm.
JP18732197A 1997-06-26 1997-06-26 Dielectric material for plasma display panel Expired - Fee Related JP3906946B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18732197A JP3906946B2 (en) 1997-06-26 1997-06-26 Dielectric material for plasma display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18732197A JP3906946B2 (en) 1997-06-26 1997-06-26 Dielectric material for plasma display panel

Publications (2)

Publication Number Publication Date
JPH1111979A true JPH1111979A (en) 1999-01-19
JP3906946B2 JP3906946B2 (en) 2007-04-18

Family

ID=16203971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18732197A Expired - Fee Related JP3906946B2 (en) 1997-06-26 1997-06-26 Dielectric material for plasma display panel

Country Status (1)

Country Link
JP (1) JP3906946B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6194333B1 (en) * 1998-04-30 2001-02-27 Lg Electronics Inc. Dielectric composition for plasma display panel
KR20010029403A (en) * 1999-09-30 2001-04-06 구자홍 Composite of dielectric for display
KR100324266B1 (en) * 1999-07-19 2002-02-25 구자홍 Composition of Thick Film Dielectric for Solid State Display Device
WO2003056599A1 (en) * 2001-12-27 2003-07-10 Teijin Limited Sheet material for forming dielectric layer for plasma display panel
JP2007099573A (en) * 2005-10-06 2007-04-19 Asahi Glass Co Ltd Electrode coating glass and plasma display panel
US7482748B2 (en) 2003-06-23 2009-01-27 Lg Electronics Inc. Plasma display panel with paste composite for white-black formation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6194333B1 (en) * 1998-04-30 2001-02-27 Lg Electronics Inc. Dielectric composition for plasma display panel
KR100324266B1 (en) * 1999-07-19 2002-02-25 구자홍 Composition of Thick Film Dielectric for Solid State Display Device
KR20010029403A (en) * 1999-09-30 2001-04-06 구자홍 Composite of dielectric for display
WO2003056599A1 (en) * 2001-12-27 2003-07-10 Teijin Limited Sheet material for forming dielectric layer for plasma display panel
US7482748B2 (en) 2003-06-23 2009-01-27 Lg Electronics Inc. Plasma display panel with paste composite for white-black formation
JP2007099573A (en) * 2005-10-06 2007-04-19 Asahi Glass Co Ltd Electrode coating glass and plasma display panel

Also Published As

Publication number Publication date
JP3906946B2 (en) 2007-04-18

Similar Documents

Publication Publication Date Title
US4369220A (en) Crossover dielectric inks used in forming a multilayer electrical circuit
JP3775556B2 (en) Plasma display panel materials and glass powder
JP3904102B2 (en) Dielectric material for plasma display panel
JPH1111979A (en) Dielectric forming material for plasma display panel
TW561136B (en) Composition containing lead-oxide free glass powder of low softening point useful for barrier rib in PDP
JP5674235B2 (en) Bismuth-based lead-free glass and composite materials
JPH11246236A (en) Dielectric paste for plasma display panel
JP2003257242A (en) Thick membrane resistor paste
JP2011079718A (en) Bismuth-based non-lead glass and composite material
JP4114121B2 (en) Material for plasma display panel and glass composition
JP2005325011A (en) Material for forming partition for plasma display
JP3214273B2 (en) Glass sheet
JPH1160274A (en) Glass powder for forming dielectric
JPH11209147A (en) Dielectric paste for plasma display panel
KR20040030195A (en) Dielectric forming paste and glass powder for use in plasma display panel
JP2007091566A (en) Dielectric material for plasma display panel
US5792716A (en) Thick film having acid resistance
JP2001146436A (en) Insulating material for fluorescent character display tube
KR100246720B1 (en) Method of preparing paste for resistor for lcr co-firing, method of manufacturing thick film using it
TW588023B (en) PDP material controlled in moisture content
JP2002160939A (en) Powdery material for plasma display panel
JP3693151B2 (en) Material for plasma display panel and glass powder
KR100685111B1 (en) Composition containing lead-oxide free glass powder of low softening point useful for barrier rib in pdp
JP3829959B2 (en) Dielectric material for plasma display panel
JPH02212336A (en) Glass-ceramic composition and its use

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050502

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060523

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060615

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20060831

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060914

A911 Transfer of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20061128

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20061228

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070110

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees