JPH02112130A - Gas discharge display device - Google Patents

Gas discharge display device

Info

Publication number
JPH02112130A
JPH02112130A JP63263926A JP26392688A JPH02112130A JP H02112130 A JPH02112130 A JP H02112130A JP 63263926 A JP63263926 A JP 63263926A JP 26392688 A JP26392688 A JP 26392688A JP H02112130 A JPH02112130 A JP H02112130A
Authority
JP
Japan
Prior art keywords
cathode
display
discharge
anode
discharge space
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
Application number
JP63263926A
Other languages
Japanese (ja)
Inventor
Ken Hashimoto
橋本 謙
Keiichi Kanebori
恵一 兼堀
Mutsumitsu Suzuki
睦三 鈴木
Shingo Kimura
木村 伸吾
Shigeo Mikoshiba
茂生 御子柴
Masakazu Fukushima
正和 福島
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP63263926A priority Critical patent/JPH02112130A/en
Publication of JPH02112130A publication Critical patent/JPH02112130A/en
Pending legal-status Critical Current

Links

Landscapes

  • Gas-Filled Discharge Tubes (AREA)

Abstract

PURPOSE:To extend the life of a display panel and prevent the error operation of display by providing such a constitution as forming a conductive film near a cathode preliminarily. CONSTITUTION:A cathode lead 2, a resistance 3, and a nickel anode 4 are formed on an insulating base 1 such as soda glass and ceramics by thick film printing process. A Ba cathode 4' formed by thermal decomposition of Ba(N3)2 in vacuum is provided thereon. The resistance 3 is connected in series to each cathode 4, 4', which cathodes conduct memory operations, respectively. As a spacer 8 forming a discharge space, thin film glasses subjected to chemical etching are laminated and used. An auxiliary anode 5 is provided in one end of an auxiliary discharge space 6. The wall surface of a display discharge space 7 is coated with a phosphor 9 to conduct a luminous display by ultraviolet rays formed by discharge. A display anode 10 is provided on a translucent face plate 11 such as soda glass, and the auxiliary anode 5 and the display anode 10 are formed by printing Ni paste followed by burning, and Xe is sealed in each discharge space.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はガス放電表示装置に係り、特に大画面超薄型ガ
ス放電テレビに関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a gas discharge display device, and more particularly to a large screen ultra-thin gas discharge television.

〔従来の技術〕[Conventional technology]

近年、テレビの大画面化、薄型化が著しく進んでいるが
、それらをさらに発展させたものとして壁掛はテレビと
一般に称される、大画面超薄型テレビがある。
In recent years, televisions have become significantly larger and thinner, and a further development of these is the large-screen ultra-thin television, which is commonly referred to as a wall-mounted television.

壁掛はテレビの代表的な候補としてガス放電表示パネル
を用いたガス放電テレビが挙げられる(特開昭63−6
2133号)。
Gas discharge televisions using gas discharge display panels are a typical candidate for wall-mounted televisions (Japanese Patent Laid-Open No. 63-6
No. 2133).

上記従来例のガス放電パネルの断面図を第6図に示す。A sectional view of the conventional gas discharge panel described above is shown in FIG.

図において、1は絶縁基板、2は陰極リード、3はメモ
リ用の抵抗で陰極4に直列に接続されている。5は補助
陽極、6は補助放電空間、7は表示放電空間、8は放電
空間を形成するためのスペーサ、9は蛍光体、1oは表
示陽極、1Jは透過性面板、12は放電を補助放電空間
6から表示放電空間7に容易に転移させるための転移用
補助電極である。
In the figure, 1 is an insulating substrate, 2 is a cathode lead, and 3 is a memory resistor connected in series to a cathode 4. 5 is an auxiliary anode, 6 is an auxiliary discharge space, 7 is a display discharge space, 8 is a spacer for forming the discharge space, 9 is a phosphor, 1o is a display anode, 1J is a transparent face plate, 12 is an auxiliary discharge This is an auxiliary electrode for transfer for easily transferring from the space 6 to the display discharge space 7.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上記放電パネル内に放電セルでは、Ba陰極のスパッタ
により、その近傍にスパッタ膜が生成されるが、このス
パッタ膜により、放電セルの容量が変化し、その結果、
放電特性が変化するという問題点があった。
In the discharge cell in the discharge panel, a sputtered film is generated in the vicinity of the discharge cell by sputtering of the Ba cathode, but this sputtered film changes the capacity of the discharge cell, and as a result,
There was a problem that the discharge characteristics changed.

本発明の目的は、このスパッタ膜生成に伴う放電特性の
変化を防止する技術を提供することにある。
An object of the present invention is to provide a technique for preventing changes in discharge characteristics due to sputtered film formation.

〔課題を解決するための手段〕[Means to solve the problem]

上記目的は、Ba陰極近傍にあらかじめ導電性膜を形成
したセル構造とすることにより、達成される。
The above object is achieved by forming a cell structure in which a conductive film is formed in advance near the Ba cathode.

〔作用〕[Effect]

本発明の放電セルの構造を第1図に示す。図のように、
陰極近傍のスパッタ膜が生成する場所に導電性膜]3が
形成しである。これにより、スバツタ膜が生成しても容
量が変化せず、したがって、放電特性も変化しない。
The structure of the discharge cell of the present invention is shown in FIG. As shown,
A conductive film 3 is formed near the cathode where the sputtered film is generated. As a result, even if a splatter film is formed, the capacitance does not change, and therefore the discharge characteristics do not change either.

〔実施例〕〔Example〕

第1図は本発明によるガス放電パネルの一実施例を示す
断面図である。第1図において、1はソーダガラスやセ
ラミック等の絶縁性基板であり、陰極リード2、抵抗3
、ニッケル陰極4が厚膜印刷法等によって形成されてい
る。さらにそのヒにBa(Ns)zを真空中で熱分解に
形成したBa陰極4′がある。上記抵抗3は各陰極4及
び4′に直列に接続されており、それぞれメモリ動作を
行う。8は放電空間を形成するためのスペーサであり、
薄板ガラスに化学エツチングしたものを積層して使用す
る。6は補助放電空間でその一端に補助陽極5が設けら
れている。7は表示数゛市空間で。
FIG. 1 is a sectional view showing one embodiment of a gas discharge panel according to the present invention. In Figure 1, 1 is an insulating substrate made of soda glass or ceramic, cathode lead 2, resistor 3
, the nickel cathode 4 is formed by a thick film printing method or the like. Furthermore, there is a Ba cathode 4' formed by thermally decomposing Ba(Ns)z in a vacuum. The resistor 3 is connected in series to each cathode 4 and 4', and performs a memory operation, respectively. 8 is a spacer for forming a discharge space;
It is used by laminating chemically etched sheets of thin glass. Reference numeral 6 denotes an auxiliary discharge space, and an auxiliary anode 5 is provided at one end thereof. 7 is the number displayed in city space.

その壁面には蛍光体9が塗布されており、放電で発生し
た紫外線で発光表示する。11はソーダガラス等の透光
性面板であり、表示陽極10がその上に設けられている
The wall surface is coated with a phosphor 9, and displays light by using ultraviolet rays generated by discharge. 11 is a translucent face plate made of soda glass or the like, on which the display anode 10 is provided.

上記補助陽極5及び表示陽極10はニッケルベ−ストを
印刷焼成して形成した。また、陰極近傍の放電セル内壁
にはA、 uペースト又はAgペーストを塗布、焼成し
て導電性膜13髪形成しである。
The auxiliary anode 5 and the display anode 10 were formed by printing and firing a nickel base. Further, A, U paste or Ag paste is applied to the inner wall of the discharge cell near the cathode and fired to form a conductive film 13.

各放電空間にはXeが封入しである。Each discharge space is filled with Xe.

第2図は上記カス放電表示パネルの一セルを模して作っ
た3極管の断面図である。21は内径8薗のソーダガラ
ス製外管でありデュメット線で作った電極端子22,2
6.27が埋めこんである。
FIG. 2 is a sectional view of a triode made to imitate one cell of the above-mentioned cass discharge display panel. 21 is an outer tube made of soda glass with an inner diameter of 8 mm, and electrode terminals 22, 2 made of dumet wire.
6.27 is embedded.

電極端子22の先端には+3a(Ns)zを真空中で熱
分解して形成したBa陰極24がある。また電極端子2
6.27の先端には直径LmmのNi棒25.30がつ
けであり、それぞれ陽極30、補助陽極25となってい
る。33はAuベースI−を外管21の内壁に塗布焼成
して形成した導電性膜である。3極管内にはX、 eを
3 Torτ・封入しである。
At the tip of the electrode terminal 22 is a Ba cathode 24 formed by thermally decomposing +3a(Ns)z in a vacuum. Also, electrode terminal 2
A Ni rod 25.30 with a diameter of L mm is attached to the tip of 6.27, and serves as an anode 30 and an auxiliary anode 25, respectively. Reference numeral 33 denotes a conductive film formed by coating and baking Au base I- on the inner wall of the outer tube 21. The triode contains 3 Torτ of X and e.

第3図は上記3極管の陰極24近傍の外管21−の外壁
のまわりに鋼線を巻き、アース電極34をとった例の断
面図である。
FIG. 3 is a sectional view of an example in which a steel wire is wound around the outer wall of the outer tube 21- in the vicinity of the cathode 24 of the triode, and a ground electrode 34 is provided.

第4図及び第5図には、それぞれ第2図及び第3図の放
電管の特性の一つであるパルス放電を維持する最小電圧
の放電ニーソングを続けたときの経時変化を示した。放
電エージングは、外部陰極抵抗50にΩをつけ、直流電
圧300vを印加して陰極24と補助陽極25の間で行
った。また最小放電維持電圧は、外部陰極抵抗をIMΩ
とし、陰極24にパルス幅10μS1周期L6msの負
のパルスを印加して、陰極24と補助陽極25間のパル
ス放電が維持する最小電圧である。
FIGS. 4 and 5 show changes over time when the discharge knee song of the minimum voltage to maintain pulsed discharge, which is one of the characteristics of the discharge tubes shown in FIGS. 2 and 3, is continued, respectively. Discharge aging was performed between the cathode 24 and the auxiliary anode 25 by attaching Ω to the external cathode resistor 50 and applying a DC voltage of 300 V. In addition, the minimum discharge sustaining voltage is determined by setting the external cathode resistance to IMΩ
This is the minimum voltage at which the pulse discharge between the cathode 24 and the auxiliary anode 25 is maintained when a negative pulse with a pulse width of 10 μS and a period L6 ms is applied to the cathode 24.

41及び51は本発明の導電性膜を作成しである構造の
放電管での特性であり、42及び52は比較例で、導電
性膜がないこと以外は上記と同じ構造の放電管での特性
である。図かられかるように本発明の導電性膜があらか
じめ作業しである放電管は特性変化が少ない。
41 and 51 are the characteristics of discharge tubes with a certain structure made with the conductive film of the present invention, and 42 and 52 are comparative examples, which are the characteristics of discharge tubes with the same structure as above except for the absence of the conductive film. It is a characteristic. As can be seen from the figure, there is little change in characteristics of the discharge tube to which the conductive film of the present invention has been applied in advance.

上記実施例では陰極がBaである場合について説明した
が、陰極を他の材料、たとえば、N]。
In the above embodiments, the cathode is made of Ba, but the cathode may be made of other materials, such as N].

Cs 、 L a Bg、 B a Be等とした場合
についても、第4図ないし第5図に示されたのと同様の
効果が得られる。すなわち、本発明の効果は陰極の材質
に依存しない。また同じく、放電ガスを上記実施例のX
e以外の希ガス、あるいは、希ガスの混合ガスとしても
、第4図ないし第5図に示されたのと同様の効果が得ら
れる。
Even in the case of Cs, L a Bg, B a Be, etc., effects similar to those shown in FIGS. 4 and 5 can be obtained. That is, the effects of the present invention do not depend on the material of the cathode. Similarly, the discharge gas is
The same effects as shown in FIGS. 4 and 5 can be obtained using a rare gas other than e or a mixed gas of rare gases.

〔発明の効果〕〔Effect of the invention〕

本発明によれば、セルの放電特性が、スパッタ膜か生成
されても放電特性が安定であるため、表示パネルの寿命
が延びる。特に、パネルでは各セルでのスパッタ量が異
なるため、パネル内でのセルの特性差が大きいが、これ
による表示の誤動作も防止されるなと、著しい性能向上
が達成される。
According to the present invention, the discharge characteristics of the cell are stable even if a sputtered film is formed, so that the life of the display panel is extended. In particular, since the amount of sputtering is different for each cell in a panel, there are large differences in characteristics between cells within the panel, but display malfunctions due to this can be prevented, resulting in a significant performance improvement.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の実施例によるガス放電表示パネルの断
面図、第2図、第3図は上記ガス放電パネルの一個の放
電セルを模した放電管の断面図、第4図、第5図は上記
放電管の放電特性の経時変化の測定図、第6図は従来の
ガス放電表示パネルの断面図である。 ]・絶縁基板、3・・抵抗、4・・・陰極、5・・補助
陽極、10・・・表示陽極、1」・透光性面板、13・
・導電性膜、24・・陰極、25・・・補助陽極、30
・・陽極、33・・導電性膜、34・・・アース電極。 代理人 弁理士 小川勝馬、1’、”’>\ \ N 力習 1つ イ 斗 図 方矢電エージ”〉グ′跨闇 芽 図 放゛電ニ ジ゛ング吟P田
FIG. 1 is a sectional view of a gas discharge display panel according to an embodiment of the present invention, FIGS. 2 and 3 are sectional views of a discharge tube imitating one discharge cell of the gas discharge panel, and FIGS. The figure is a measurement diagram of the change over time in the discharge characteristics of the discharge tube, and FIG. 6 is a sectional view of a conventional gas discharge display panel. ]・Insulating substrate, 3...Resistance, 4...Cathode, 5...Auxiliary anode, 10...Display anode, 1''・Transparent face plate, 13・
・Conductive film, 24... Cathode, 25... Auxiliary anode, 30
... Anode, 33... Conductive film, 34... Earth electrode. Agent Patent Attorney Katsuma Ogawa, 1',"'>\N

Claims (1)

【特許請求の範囲】 1、陰極近傍に導電性膜を予め作成した構造を有するこ
とを特徴とするガス放電表示装置。 2、陰極がBaであることを特徴とする請求項第1項記
載のガス放電表示装置。 3、上記導電性膜が金属膜、望ましくはスパッタ率が低
い金属膜であることを特徴とする請求項第1項、第2項
記載のガス放電表示装置。 4、上記導電性膜が、金属ペーストを焼成して作成され
ていることを特徴とする請求項第1項、第2項記載のガ
ス放電表示装置。 5、請求項第1項ないし第4項記載のガス放電表示装置
において、補助放電を利用することを特徴とするガス放
電表示装置。 6、上記陰極近傍の放電セルの外部に、アース電位とな
りうる電極を有することを特徴とする請求項第1項ない
し第4項記載のガス放電表示装置。
[Claims] 1. A gas discharge display device characterized by having a structure in which a conductive film is formed in advance near the cathode. 2. The gas discharge display device according to claim 1, wherein the cathode is made of Ba. 3. The gas discharge display device according to claim 1 or 2, wherein the conductive film is a metal film, preferably a metal film with a low sputtering rate. 4. The gas discharge display device according to claim 1 or 2, wherein the conductive film is created by firing a metal paste. 5. A gas discharge display device according to any one of claims 1 to 4, characterized in that an auxiliary discharge is utilized. 6. The gas discharge display device according to any one of claims 1 to 4, further comprising an electrode that can be at ground potential outside the discharge cell near the cathode.
JP63263926A 1988-10-21 1988-10-21 Gas discharge display device Pending JPH02112130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63263926A JPH02112130A (en) 1988-10-21 1988-10-21 Gas discharge display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63263926A JPH02112130A (en) 1988-10-21 1988-10-21 Gas discharge display device

Publications (1)

Publication Number Publication Date
JPH02112130A true JPH02112130A (en) 1990-04-24

Family

ID=17396183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63263926A Pending JPH02112130A (en) 1988-10-21 1988-10-21 Gas discharge display device

Country Status (1)

Country Link
JP (1) JPH02112130A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260624A (en) * 1990-07-03 1993-11-09 Samsung Electron Devices Co., Ltd. Plasma display panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260624A (en) * 1990-07-03 1993-11-09 Samsung Electron Devices Co., Ltd. Plasma display panel

Similar Documents

Publication Publication Date Title
JPH06314545A (en) Display discharge tube
JPH0127432B2 (en)
JPH02112130A (en) Gas discharge display device
JP2844980B2 (en) Plasma display panel
JPS59209243A (en) Method of producing display panel
JPH07320646A (en) Substrate for discharge display apparatus
JP2595408B2 (en) Ultra-thin substrate for display device and display device
JPH05225911A (en) Plasma display panel
JP3703999B2 (en) Method for producing cathode for plasma display panel
JP3872114B2 (en) AC gas discharge panel
JP2962858B2 (en) Gas discharge display
JP3016537B2 (en) Manufacturing method of cold cathode for display discharge tube
JP2762035B2 (en) Manufacturing method of cold cathode for display discharge tube
JPH0197349A (en) Gas discharge display panel
JP2663073B2 (en) DC type gas discharge display tube
JP2006114520A (en) Plasma display panel and production method therefor
JP2006294639A (en) Plasma display panel and manufacturing method for the same
JPH02186532A (en) Gas discharge display apparatus
JPH06150833A (en) Dc type plasma display panel
JPH01264138A (en) Ac type plasma display device
JPH07230768A (en) Gas discharge display tube
JPH08195174A (en) Ac type gas discharge panel
JPH05266802A (en) Dc gas discharge display device and its manufacture
JP2001338607A (en) Electrode for electron emission and cold cathode fluorescent tube
JPH06150834A (en) Dc type plasma display panel