JP3226640B2 - DC gas discharge display - Google Patents
DC gas discharge displayInfo
- Publication number
- JP3226640B2 JP3226640B2 JP33450392A JP33450392A JP3226640B2 JP 3226640 B2 JP3226640 B2 JP 3226640B2 JP 33450392 A JP33450392 A JP 33450392A JP 33450392 A JP33450392 A JP 33450392A JP 3226640 B2 JP3226640 B2 JP 3226640B2
- Authority
- JP
- Japan
- Prior art keywords
- gas discharge
- discharge display
- display device
- cathode electrode
- lab
- 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 - Fee Related
Links
Landscapes
- Gas-Filled Discharge Tubes (AREA)
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、直流型ガス放電表示装
置（プラズマディスプレイ）に係り、特に、その陰極電
極の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 direct current type gas discharge display (plasma display), and more particularly to a material for a cathode electrode thereof.
【０００２】[0002]
【従来の技術】従来、このような種の直流型ガス放電表
示装置は、図３及び図４に示すように、背面ガラス基板
１上に形成される複数の陰極電極２と、前面ガラス基板
３に形成される複数の陽極電極４が互いに直交し、セル
を分割する隔壁５によって適当な距離を保つように配置
されている。隔壁５によって作られた陰極電極２、陽極
電極４の空間には、Ｎｅ等の放電気体が封入されてい
る。2. Description of the Related Art Conventionally, as shown in FIGS. 3 and 4, a direct current type gas discharge display device of this kind includes a plurality of cathode electrodes 2 formed on a back glass substrate 1 and a front glass substrate 3 as shown in FIG. Are arranged so as to be orthogonal to each other and to keep an appropriate distance by a partition wall 5 for dividing the cell. The space between the cathode electrode 2 and the anode electrode 4 formed by the partition walls 5 is filled with a discharge gas such as Ne.
【０００３】陰極電極２と陽極電極４間に放電開始電圧
以上の電圧を印加することで、気体を放電させ、その発
光を表示として用いる。陰極電極２として、従来、Ｎｉ
が主に用いられてきた。また、放電開始電圧を下げるた
め、ＬａＢ6 （六ホウ化ランタン）等の陰極電極の材料
が検討され、実用化され始めている。By applying a voltage equal to or higher than the discharge starting voltage between the cathode electrode 2 and the anode electrode 4, the gas is discharged, and the light emission is used as a display. Conventionally, as the cathode electrode 2, Ni
Has been mainly used. Further, in order to lower the discharge starting voltage, a material for the cathode electrode such as LaB 6 (lanthanum hexaboride) has been studied and put into practical use.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記し
た従来の直流型ガス放電表示装置の陰極電極材料の内、
Ｎｉでは、スパッタリングの防止のため、Ｈｇを用いる
必要があり、Ｈｇの拡散状態の変化のパネル内のバラツ
キによる特性差の表示ムラが発生し、品質の低下を招く
という問題があった。また、ＬａＢ6 では１つのセル内
において、陰極電極の部分的活性化が起こるため、放電
の集中が起こり、表示ムラが発生し、品質の低下を招く
という問題があった。However, among the cathode electrode materials of the above-described conventional DC type gas discharge display device,
In Ni, it is necessary to use Hg in order to prevent sputtering, and there is a problem in that unevenness in display of a characteristic difference due to variation in the state of diffusion of Hg in a panel occurs, resulting in deterioration of quality. Further, in LaB within one the 6-cell, because the partial activation of the cathode occurs, occurs concentrate discharge, display unevenness occurs, there is a problem that lowering the quality.
【０００５】本発明は、上記問題点を除去するために、
以上述べた直流型ガス放電表示装置のＮｉ陰極電極のＨ
ｇの添加及びＬａＢ6 陰極電極のセル内の部分的活性化
を除去するため、その陰極電極材料としてＬａＢ6 とＳ
ｒＢ6 の固溶体を用いることにより、Ｈｇの添加及び陰
極電極のセル内の部分的活性化による表示品質の低下を
防ぐと共に、放電開始電圧の低下をもたらす直流型ガス
放電表示装置を提供することを目的とする。The present invention has been made to solve the above problems.
The H of the Ni cathode electrode of the DC gas discharge display device described above
to remove the partial activation of the cells of g added and LaB 6 cathode electrode, LaB 6 and S as a cathode material
By using a solid solution of rB 6 , it is possible to prevent a decrease in display quality due to the addition of Hg and partially activate a cathode electrode in a cell, and to provide a direct current gas discharge display device which lowers a discharge starting voltage. Aim.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記目的を達
成するために、複数の陰極電極と陽極電極が所定の間隔
を有して直交するように配置された直流型ガス放電表示
装置において、背面ガラス基板上に配線される金属配線
と、この金属配線上に形成されるＬａＢ 6 とＳｒＢ 6 の
固溶体からなる陰極電極を設けるようにしたものであ
る。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a direct current type gas discharge display device in which a plurality of cathode electrodes and anode electrodes are arranged so as to be orthogonal at a predetermined interval. A metal wiring to be wired on the rear glass substrate and a cathode electrode made of a solid solution of LaB 6 and SrB 6 formed on the metal wiring.
【０００７】また、前記金属配線はＡｇ，Ｎｉ又はＡｌ
からなる。The metal wiring is made of Ag, Ni or Al.
Consists of
【０００８】更に、前記陰極電極はＬａＢ 6 −ＳｒＢ 6
粉末と金属酸化物バインダーと、セルロース系樹脂と溶
剤とを混合し、ペースト化して厚膜印刷で形成する。Further, the cathode electrode is LaB 6 -SrB 6
The powder, the metal oxide binder, the cellulosic resin, and the solvent are mixed, and the paste is formed to form a thick film by printing.
【０００９】また、前記ＬａＢ 6 −ＳｒＢ 6 粉末は、Ｌ
ａＢ6 にＳｒＢ6 の固溶量を制御することが可能であ
る。In addition, the LaB 6 -SrB 6 powder is
It is possible to control the amount of SrB 6 dissolved in aB 6 .
【００１０】[0010]
【作用】本発明によれば、上記したように、直流型ガス
放電表示装置において、その陰極電極材料にＬａＢ6 と
ＳｒＢ6 の固溶体を用いる。According to the present invention, as described above, a solid solution of LaB 6 and SrB 6 is used as a cathode electrode material in a DC gas discharge display device.
【００１１】したがって、従来のように、Ｈｇをパネル
内部に添加する必要がなく、スパッタリング及び陰極電
極の部分的活性化が起こらず、表示品質の優れた直流型
ガス放電表示装置を低電圧で駆動することができる。Therefore, unlike the prior art, there is no need to add Hg to the inside of the panel, the sputtering and the partial activation of the cathode electrode do not occur, and the DC-type gas discharge display device excellent in display quality is driven at a low voltage. can do.
【００１２】[0012]
【実施例】以下、本発明の実施例について図を参照しな
がら詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１３】図１は本発明の実施例を示す直流型ガス放
電表示装置の一部破断部分斜視図、図２は本発明の実施
例を示す直流型ガス放電表示装置の陰極電極に沿った断
面図である。FIG. 1 is a partially cutaway perspective view of a DC-type gas discharge display device according to an embodiment of the present invention, and FIG. 2 is a cross-section along a cathode electrode of the DC-type gas discharge display device according to the embodiment of the present invention. FIG.
【００１４】これらの図は、ＬａＢ6 とＳｒＢ6 の固溶
体からなる陰極電極材料を用いた直流型ガス放電表示装
置の実施例を示すものであって、陽極電極、陰極電極間
にはＮｅガスが２００Ｔｏｒｒ封入されている。[0014] These figures, there is shown an embodiment of a DC type gas-discharge display apparatus using a cathode material consisting of a solid solution of LaB 6 and SrB 6, the anode electrode, the Ne gas between a cathode electrode 200 Torr enclosed.
【００１５】まず、背面ガラス基板１１上にＡｇペース
ト♯５９０，ＥＳＬ（イー・エス・エル日本株式会社
製）を用いて、陰極電極側の金属配線１２を厚膜印刷法
を用いて形成し、この陰極電極側の金属配線１２上に、
ＬａＢ6 −ＳｒＢ6 （平均粒径１０μｍ，セイミケミカ
ル株式会社製）の粉末を金属酸化物バインダと、エチル
セルロース等の樹脂をターピネオール系溶剤で混合し、
ペースト化して、厚膜印刷法で形成されるＬａＢ6 とＳ
ｒＢ6 の固溶体からなる陰極電極１３を形成する。ま
た、背面ガラス基板１１上には陰極電極側の金属配線１
２に外部取り出し端子（図示なし）も形成しておく。First, the metal wiring 12 on the cathode electrode side is formed on the rear glass substrate 11 by using Ag paste # 590, ESL (manufactured by ESL Japan Co., Ltd.) by a thick film printing method. On the metal wiring 12 on the cathode electrode side,
A powder of LaB 6 -SrB 6 (average particle size: 10 μm, manufactured by Seimi Chemical Co., Ltd.) is mixed with a metal oxide binder and a resin such as ethyl cellulose with a terpineol-based solvent.
LaB 6 and S formed by paste and formed by thick film printing
A cathode electrode 13 made of a solid solution of rB 6 is formed. The metal wiring 1 on the cathode electrode side is provided on the rear glass substrate 11.
An external take-out terminal (not shown) is also formed in 2.
【００１６】次に、前面ガラス基板１４上にＩＴＯを陽
極電極１５として、蒸着−エッチングにより形成し、こ
の陽極電極１５と陰極電極１３間に隔壁１６を厚膜印刷
法で１００μｍ程度の厚みに形成する。Next, ITO is formed as an anode electrode 15 on the front glass substrate 14 by vapor deposition-etching, and a partition 16 is formed between the anode electrode 15 and the cathode electrode 13 to a thickness of about 100 μm by a thick film printing method. I do.
【００１７】このようにして形成した背面ガラス基板１
１と、前面ガラス基板１４を鉛ガラスにて封止し、内部
にＮｅガスが２００Ｔｏｒｒ封入される。The back glass substrate 1 thus formed
1 and the front glass substrate 14 are sealed with lead glass, and Ne gas is sealed therein at 200 Torr.
【００１８】ＬａＢ6 −ＳｒＢ6 において、ＳｒＢ6 は
ＬａＢ6 に比べて、１２．８倍、比抵抗が高く、放電電
流の吸い込みをＬａＢ6 に比べて制限する抵抗体として
の働きをする。[0018] In LaB 6 -SrB 6, SrB 6 as compared with the LaB 6, 12.8 times, high specific resistance, and serves as a resistor for limiting than the suction of the discharge current to the LaB 6.
【００１９】ＳｒＢ6 はＬａＢ6 に固溶できるため、Ｌ
ａＢ6 中にミクロにＳｒＢ6 の抵抗体を均一に分散させ
ることができる。Since SrB 6 can form a solid solution in LaB 6 ,
The SrB 6 resistor can be uniformly dispersed microscopically in aB 6 .
【００２０】また、ＳｒＢ6 の固溶量を制御することに
より、ＬａＢ6 −ＳｒＢ6 のミクロな放電電流を制御
し、活性化を適当に止め、かつ、均一に分散することに
より、部分的な活性化を防ぐことができる。Further, by controlling the amount of solid solution SrB 6, controls the micro discharge current of LaB 6 -SrB 6, suitably stopped activation, and by uniformly dispersed, partial Activation can be prevented.
【００２１】また、本発明のＬａＢ6 とＳｒＢ6 の固溶
体からなる陰極電極を有する直流型ガス放電表示装置
と、従来のＬａＢ6 からなる陰極電極を有する直流型ガ
ス放電表示装置との活性化による不良発生までの時間を
比較したところ、本発明の場合は、２０００時間である
のに対して、従来のものは４８０時間であった。Further, the activation of the direct current gas discharge display device having the cathode electrode made of a solid solution of LaB 6 and SrB 6 of the present invention and the conventional direct current gas discharge display device having the cathode electrode made of LaB 6 are performed. When the time until the occurrence of the defect was compared, it was 2,000 hours in the case of the present invention, while it was 480 hours in the conventional one.
【００２２】このことからも、本発明のＬａＢ6 とＳｒ
Ｂ6 の固溶体からなる陰極電極を有する直流型ガス放電
表示装置は、活性化が抑えられていることがわかる。From this, it can be seen that LaB 6 and Sr of the present invention are used.
DC type gas-discharge display device having a cathode electrode composed of a solid solution of B 6 it is seen that the activation is suppressed.
【００２３】また、ＬａＢ6 −ＳｒＢ6 もＬａＢ6 と同
等の硬度を持ち、スパッタにも強く、Ｈｇを添加する必
要もない。もちろん、ＬａＢ6 ，ＳｒＢ6 とも仕事関数
が小さく、Ｎｉに比べて、放電開始電圧が低くなること
は言うまでもない。Also, LaB 6 -SrB 6 has the same hardness as LaB 6 , is strong against spatter, and does not require addition of Hg. Of course, LaB 6 and SrB 6 both have small work functions, and needless to say, the firing voltage is lower than that of Ni.
【００２４】なお、本発明は上記実施例に限定されるも
のではなく、本発明の趣旨に基づいて種々の変形が可能
であり、これらを本発明の範囲から排除するものではな
い。It should be noted that the present invention is not limited to the above embodiment, but various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.
【００２５】[0025]
【発明の効果】以上、詳細に説明したように、本発明に
よれば、直流型ガス放電表示装置の陰極電極として、Ｌ
ａＢ6 とＳｒＢ6 の固溶体を用いるようにしたので、従
来のように、Ｈｇをパネル内部に添加する必要がなく、
スパッタリング及び陰極電極の部分的活性化が起こら
ず、表示品質の優れた直流型ガス放電表示装置を低電圧
で駆動することが可能である。As described above in detail, according to the present invention, the cathode electrode of the direct current type gas discharge display device has the L
Since a solid solution of aB 6 and SrB 6 is used, it is not necessary to add Hg to the inside of the panel as in the prior art.
Sputtering and partial activation of the cathode electrode do not occur, and it is possible to drive a DC gas discharge display device having excellent display quality at a low voltage.
【図１】本発明の実施例を示す直流型ガス放電表示装置
の一部破断部分斜視図である。FIG. 1 is a partially cutaway perspective view of a DC gas discharge display device according to an embodiment of the present invention.
【図２】本発明の実施例を示す直流型ガス放電表示装置
の陰極電極に沿った断面図である。FIG. 2 is a cross-sectional view taken along a cathode electrode of a direct current gas discharge display device according to an embodiment of the present invention.
【図３】従来の直流型ガス放電表示装置の一部破断部分
斜視図である。FIG. 3 is a partially cutaway perspective view of a conventional DC gas discharge display device.
【図４】従来の直流型ガス放電表示装置の陰極電極に沿
った断面図である。FIG. 4 is a cross-sectional view along a cathode electrode of a conventional DC gas discharge display device.
１１ 背面ガラス基板 １２ 金属配線 １３ 陰極電極（ＬａＢ6 −ＳｒＢ6 ） １４ 前面ガラス基板 １５ 陽極電極 １６ 隔壁11 back glass substrate 12 a metal wire 13 a cathode electrode (LaB 6 -SrB 6) 14 front glass substrate 15 anode electrode 16 partition wall
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭64−45035（ＪＰ，Ａ) 特開 昭55−28298（ＪＰ，Ａ) 特開 昭51−99464（ＪＰ，Ａ) 特開 昭50−67545（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01J 17/49 H01J 17/06 ＪＩＣＳＴファイル（ＪＯＩＳ)──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-64-45035 (JP, A) JP-A-55-28298 (JP, A) JP-A-51-99464 (JP, A) JP-A 50-28 67545 (JP, A) (58) Field surveyed (Int. Cl. 7 , DB name) H01J 17/49 H01J 17/06 JICST file (JOIS)
Claims (3)
を有して直交するように配置された直流型ガス放電表示
装置において、 （ａ）背面ガラス基板上に配線される金属配線と、 （ｂ）該金属配線上に形成されるＬａＢ 6 とＳｒＢ 6 の
固溶体からなる陰極電極とを具備することを特徴とする
直流型ガス放電表示装置。1. A direct current type gas discharge display device in which a plurality of cathode electrodes and anode electrodes are arranged so as to be orthogonal to each other with a predetermined interval, (a) metal wiring arranged on a rear glass substrate; (B) A direct current gas discharge display device comprising: a cathode electrode made of a solid solution of LaB 6 and SrB 6 formed on the metal wiring.
なる請求項１記載の直流型ガス放電表示装置。2. The direct current type gas discharge display device according to claim 1, wherein said metal wiring is made of Ag, Ni or Al.
末と金属酸化物バインダーと、セルロース系樹脂と溶剤
とを混合し、ペースト化して厚膜印刷で形成されたこと
を特徴とする請求項１記載の直流型ガス放電表示装置。3. The method according to claim 1, wherein the cathode electrode is formed by mixing LaB 6 -SrB 6 powder, a metal oxide binder, a cellulosic resin and a solvent, forming a paste, and forming the paste by thick film printing. 2. The direct current type gas discharge display device according to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33450392A JP3226640B2 (en) | 1992-12-15 | 1992-12-15 | DC gas discharge display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33450392A JP3226640B2 (en) | 1992-12-15 | 1992-12-15 | DC gas discharge display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06187913A JPH06187913A (en) | 1994-07-08 |
| JP3226640B2 true JP3226640B2 (en) | 2001-11-05 |
Family
ID=18278134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33450392A Expired - Fee Related JP3226640B2 (en) | 1992-12-15 | 1992-12-15 | DC gas discharge display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3226640B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6841932B2 (en) | 2001-03-08 | 2005-01-11 | Xerox Corporation | Display devices with organic-metal mixed layer |
-
1992
- 1992-12-15 JP JP33450392A patent/JP3226640B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06187913A (en) | 1994-07-08 |
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