JPH07123031B2 - Cathode ray tube - Google Patents
Cathode ray tubeInfo
- Publication number
- JPH07123031B2 JPH07123031B2 JP62016400A JP1640087A JPH07123031B2 JP H07123031 B2 JPH07123031 B2 JP H07123031B2 JP 62016400 A JP62016400 A JP 62016400A JP 1640087 A JP1640087 A JP 1640087A JP H07123031 B2 JPH07123031 B2 JP H07123031B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- resistance material
- electrode
- grid
- cathode ray
- 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
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Description
【発明の詳細な説明】 ［発明の目的］ （産業上の利用分野） 本発明は、たとえばカラー受像管に用いられる陰極線管
に係り、特に分圧用の抵抗体を具備した陰極線管に関す
る。The present invention relates to a cathode ray tube used for, for example, a color picture tube, and more particularly to a cathode ray tube provided with a resistor for voltage division.
（従来の技術） 一般に、カラー受像管のような陰極線管においては、約
25kVないし30kVの陽極高電圧以外に、たとえば電子銃の
フォーカス電圧として約5kVないし8kVの中電圧が必要と
される。しかしながら、陽極高電圧以外にこのような中
高電圧を別途管外より供給することは、主として供給部
の耐圧が大きな問題となるし、またこのため供給部の構
造が複雑になる等不都合が多い。そこで陰極線管内に抵
抗体を配置し、これによって陽極高電圧を分圧し所望と
する中高電圧を得る方法がたとえば実開昭48−21561、
実開昭55−38484、USP3932786、USP4143298等に提案さ
れている。(Prior Art) Generally, in a cathode ray tube such as a color picture tube,
In addition to the high anode voltage of 25 kV to 30 kV, for example, a medium voltage of about 5 kV to 8 kV is required as the focus voltage of the electron gun. However, in addition to the anode high voltage, separately supplying such a medium-high voltage from outside the tube causes a large problem mainly in the withstand voltage of the supply section, and therefore the structure of the supply section becomes complicated, which is disadvantageous. Therefore, a method of arranging a resistor in the cathode ray tube and dividing the high voltage of the anode by this to obtain a desired medium-high voltage is described in, for example, Japanese Utility Model Publication 48-21561.
Proposed in Japanese Utility Model Sho 55-38484, USP3932786, USP4143298, etc.
このように陰極線管内に抵抗体を配置する場合、管内に
は大きな抵抗体を配置するための充分なスペースがな
く、特に電子銃が配置されているネック部にはわずかな
スペースしかない。そこで抵抗体の配置する位置と電子
銃の各電極位置とは耐圧上極めて厳しい制限を受ける。When the resistor is arranged in the cathode ray tube as described above, there is not enough space for arranging the large resistor in the tube, and particularly, there is only a small space in the neck portion where the electron gun is arranged. Therefore, the position where the resistor is arranged and the position of each electrode of the electron gun are extremely limited in terms of pressure resistance.
たとえば第４図にカラー受像管用電子銃にこのような抵
抗体を使用した例を示す。For example, FIG. 4 shows an example in which such a resistor is used in an electron gun for a color picture tube.
同図に示すように、電子銃１は、ヒータ、カソード、第
１グリッド11、第２グリッド12、第３グリッド13、第４
グリッド14、第５グリッド15、第６グリッド16等の電極
群と、これらの電極群を固定支持する２組の絶縁支持体
2a、2b、さらにコンバーゼンス電極17、バルブスペーサ
18等から構成される。そして、この電子銃１の近傍に抵
抗体３が配置され、これらは細いガラス円筒のネック４
内に封入される。As shown in the figure, the electron gun 1 includes a heater, a cathode, a first grid 11, a second grid 12, a third grid 13, and a fourth grid.
Electrode groups such as the grid 14, the fifth grid 15, the sixth grid 16 and the like, and two sets of insulating supports for fixing and supporting these electrode groups.
2a, 2b, convergence electrode 17, valve spacer
It is composed of 18 mag. A resistor 3 is arranged in the vicinity of the electron gun 1, and these are a neck 4 of a thin glass cylinder.
Enclosed inside.
ネック４は図示しない漏斗状のファンネル部と接合され
ており、ファンネル部の先にはスクリーン面を持つフェ
ースプレートが接合されている。The neck 4 is joined to a funnel-shaped funnel portion (not shown), and a face plate having a screen surface is joined to the tip of the funnel portion.
また、抵抗体３は、第５図に示すように、薄い平板状の
セラミック基板60上に、抵抗材61がジグザグパターンに
形設され、上下端および中間部の所定の位置に電極取出
部65、66、67、68、69が設けられ、これら電極取出部を
除く抵抗材61の表面にガラス等による絶縁材70が薄くコ
ーティングされてなるものである。As shown in FIG. 5, the resistor 3 has a resistor material 61 formed in a zigzag pattern on a thin flat plate-shaped ceramic substrate 60, and electrode lead-out portions 65 are formed at predetermined positions of the upper and lower ends and the middle portion. , 66, 67, 68, 69 are provided, and the surface of the resistance material 61 excluding these electrode lead-out portions is thinly coated with an insulating material 70 such as glass.
上記の抵抗材61としては酸化ルテニウムを主体とした50
0〜5000MΩ程度の高抵抗値のものが好適で、また上記の
電極取出部65、66、67、68、69は抵抗材61より低い抵抗
の酸化ルテニウムを主体とした低抵抗材、金や銀を含有
する導電性塗料等が好適である。The resistance material 61 is mainly composed of ruthenium oxide 50
A high resistance value of about 0 to 5000 MΩ is preferable, and the electrode extraction portions 65, 66, 67, 68, 69 are low resistance materials mainly composed of ruthenium oxide having a resistance lower than that of the resistance material 61, gold or silver. Conductive paints and the like containing are suitable.
また、抵抗材61のジグザグパターンは分割比調整のため
のトリミング部を除き等パターンとなっている。これに
より、抵抗材61の長さの比がすなわち電圧分割比とな
る。なおこの場合に、ジグザグパターンにばらつきがあ
るときには、各部分でのジュール熱による発熱量の差異
によって、各部での経時変化が異なるようになり、分割
比が変動し実用上好ましくない。Further, the zigzag pattern of the resistance material 61 has an equal pattern except for the trimming portion for adjusting the division ratio. As a result, the length ratio of the resistance material 61 becomes the voltage division ratio. In this case, when there are variations in the zigzag pattern, due to the difference in the amount of heat generated by the Joule heat in each part, the change with time in each part becomes different, and the division ratio fluctuates, which is not preferable in practice.
上記のような構造を有する抵抗体３は上端電極取出部65
が金属接続子31を介してコンバーゼンス電極17に、下端
電極取出部69が電極金属接続子35およびステムピン19を
介し外部にて接地電位に、これらの間の第１、第２、第
３の電極電極取出し部66、67、68がそれぞれ金属接続子
32、33、34を介して第５グリッド15、第４グリッド14、
第３グリッド13に、それぞれ接続されてなる。The resistor 3 having the above structure has the upper end electrode extraction portion 65.
To the convergence electrode 17 via the metal connector 31, the lower end electrode lead-out portion 69 to the ground potential externally via the electrode metal connector 35 and the stem pin 19, and the first, second and third electrodes between them. Electrode extraction parts 66, 67, 68 are metal connectors
5th grid 15, 4th grid 14, through 32, 33, 34,
Each of them is connected to the third grid 13.
そして、ネック４の一部に塗布されている内部導電膜19
を通し約25kVの陽極高電圧がバルブスペーサ18、コンバ
ーゼンス電極電極17、第６グリッド16に印加される。一
方、抵抗体３によって、第６図に示すような、等価回路
が形成され、第５グリッド15、第４グリッド14、第３グ
リッド13には約25kVの陽極高電圧の抵抗分割電位がそれ
ぞれ印加される。Then, the internal conductive film 19 applied to a part of the neck 4
An anode high voltage of about 25 kV is applied to the valve spacer 18, the convergence electrode 17 and the sixth grid 16 through the. On the other hand, an equivalent circuit as shown in FIG. 6 is formed by the resistor 3, and a resistance division potential of an anode high voltage of about 25 kV is applied to each of the fifth grid 15, the fourth grid 14, and the third grid 13. To be done.
このような電子銃１においては、性能向上のため第３グ
リッド13長は長く第４グリッド14、第５グリッド15長は
短く設定され、第３グリッド13から第６グリッド16まで
滑らかな電位変化が形成されるように第３グリッド13、
第４グリッド14、第５グリッド15の各電位は第６グリッ
ド16の陽極高電圧のそれぞれ約25％、50％、75％の電位
が印加される。In such an electron gun 1, the length of the third grid 13 is set long and the lengths of the fourth grid 15 and the fifth grid 15 are set short to improve the performance, and a smooth potential change from the third grid 13 to the sixth grid 16 is performed. Third grid 13, as formed,
Potentials of about 25%, 50%, and 75% of the anode high voltage of the sixth grid 16 are applied to the potentials of the fourth grid 14 and the fifth grid 15, respectively.
しかして、このような電子銃では、焦点距離の長いレン
ズが形成されることによって電子光学的倍率と球面収差
とが減少され、レンズ性能は著しく向上することが広く
知られている。It is widely known that, in such an electron gun, a lens having a long focal length is formed, so that the electron optical magnification and spherical aberration are reduced and the lens performance is significantly improved.
（発明が解決しようとする問題点） ところで抵抗体３の抵抗材61の断面積または抵抗率が上
端電極取出部65から下端電極取出部69まで同じである場
合には、分割電圧比はその抵抗材61の長さの比となるの
で、第３グリッド13の電位は抵抗体全体の下端電極取出
部69から約25％の位置にある第３の電極取出部68から、
第４グリッド14の電位は下端電極取出部69から約50％の
位置にある第２の電極取出部67から、第５グリッド15の
電位は下端電極取出部69から約75％の位置にある第１の
電極取出部66から取り出されている。(Problems to be Solved by the Invention) When the sectional area or the resistivity of the resistance material 61 of the resistor 3 is the same from the upper end electrode extraction portion 65 to the lower end electrode extraction portion 69, the division voltage ratio is Since the length ratio of the material 61 is obtained, the potential of the third grid 13 is from the third electrode lead-out portion 68 located at about 25% from the lower end electrode lead-out portion 69 of the entire resistor,
The potential of the fourth grid 14 is about 50% from the bottom electrode extraction portion 69, and the potential of the fifth grid 15 is about 75% from the bottom electrode extraction portion 69. It is taken out from the first electrode take-out portion 66.
この場合において、一般的に第５図に示したように、電
子銃１の各電極位置は必ずしも抵抗体３の電極取出部と
同図ｚ軸方向において同じ位置になく、抵抗体３表面の
ｚ軸方向の電位の変化とこれに対応する電子銃１の周囲
の電位の変化とが大きく異なる。この様子を第７図に示
す。In this case, generally, as shown in FIG. 5, each electrode position of the electron gun 1 is not necessarily located at the same position in the z-axis direction in the figure as the electrode lead-out portion of the resistor 3, and the z of the surface of the resistor 3 is not necessarily located. The change in the potential in the axial direction and the corresponding change in the potential around the electron gun 1 are significantly different. This state is shown in FIG.
同図において、横軸はｚ軸方向、縦軸は陽極高電圧を10
0％とした時の電位で、図中実線は電子銃１の各電極付
近の電位を、図中点線は抵抗体３表面の電位を示す。In the figure, the horizontal axis represents the z-axis direction and the vertical axis represents the anode high voltage.
The potential when 0% is set, the solid line in the figure indicates the potential near each electrode of the electron gun 1, and the dotted line in the figure indicates the potential on the surface of the resistor 3.
しかして、電子銃１および抵抗体３は細いガラス円筒の
ネック内に封入されているので、ネック内で強電界域が
各所に発生し放電を引き起こし易く受像管や受像回路を
損傷してしまい極めて実用性に欠ける。特に電極取出部
に金属接続子を接触させた場合には、この金属接続子か
らグロー状の放電が起こり実用上使用出来なくなる。Since the electron gun 1 and the resistor 3 are enclosed in the neck of a thin glass cylinder, a strong electric field region is generated in various places in the neck, which easily causes electric discharge and damages the picture tube and the picture receiving circuit. Lack of practicality. In particular, when a metal connector is brought into contact with the electrode lead-out portion, glow discharge occurs from the metal connector, which makes it practically unusable.
本発明はこのような事情に対処してれたもので、抵抗体
に起因する強電界域による放電の発生、さらにはグロー
状の放電の発生を防止することができる陰極線管を提供
することを目的としている。The present invention has been made to deal with such a situation, and it is an object of the present invention to provide a cathode ray tube capable of preventing the occurrence of discharge due to a strong electric field region due to a resistor, and further the occurrence of glow discharge. Has an aim.
［発明の構成］ （問題点を解決するための手段） 本発明の陰極線管は、電子ビーム発生手段と、この電子
ビーム発生手段から発生される電子ビームをターゲット
上に収束させる少なくとも２種類の電圧が印加される複
数個の電極からなる電子ビーム収束手段と、これら電極
の近傍に配置され陽極からの高電圧をこれら電極に分圧
供給する抵抗体とを備え、前記抵抗体が、絶縁性支持基
板と、この支持基板上に前記電極配置方向に沿って形成
された抵抗材と、この抵抗材を被覆する絶縁被覆層と、
前記抵抗材と所定の位置で接続されこの抵抗材によって
分圧された所定の電圧を前記各電極にそれぞれ供給する
複数個の電圧供給部とを有する陰極線管において、前記
各電圧供給部がそれぞれ電圧を供給すべき前記各電極の
近傍に配置され、かつ少なくとも１つ前記電圧供給部が
離間する前記抵抗材の所定の位置と前記絶縁被覆層で被
覆された導電材によって接続されていることを特徴とし
ている。[Structure of the Invention] (Means for Solving Problems) A cathode ray tube according to the present invention includes an electron beam generating means and at least two kinds of voltages for converging an electron beam generated by the electron beam generating means onto a target. Is provided with an electron beam converging means composed of a plurality of electrodes, and a resistor which is arranged in the vicinity of these electrodes and supplies a high voltage from the anode to these electrodes in a divided manner. A substrate, a resistance material formed on the supporting substrate along the electrode arrangement direction, and an insulating coating layer that coats the resistance material,
In a cathode ray tube having a plurality of voltage supply units, each of which is connected to the resistance material at a predetermined position and supplies a predetermined voltage divided by the resistance material to each of the electrodes, each voltage supply unit supplies a voltage. Is arranged in the vicinity of each of the electrodes to be supplied, and at least one of the voltage supply units is connected to a predetermined position of the spaced resistance material by a conductive material coated with the insulating coating layer. I am trying.
（作 用） 本発明の陰極線管において、各電圧供給部がそれぞれ電
圧を供給すべき各電極の近傍に配置され、かつ少なくと
も１つの電圧供給部が離間する抵抗材の所定の位置と絶
縁被覆層で被覆された導電材によって接続されているの
で、抵抗体に起因する強電界域による放電の発生、さら
にはグロー状の放電の発生が防止される。(Operation) In the cathode ray tube of the present invention, each voltage supply unit is arranged in the vicinity of each electrode to which a voltage is to be respectively supplied, and at least one voltage supply unit is separated from each other at a predetermined position and an insulating coating layer. Since they are connected by a conductive material coated with, the occurrence of discharge due to the strong electric field region due to the resistor and the occurrence of glow discharge are prevented.
（実施例） 以下、本発明の実施例の詳細を図面に基づいて説明す
る。(Example) Hereinafter, the detail of the Example of this invention is described based on drawing.
第１図は本発明の一実施例に係る陰極線管に用いられる
抵抗体を示す概略的斜視図であり、第２図はこの抵抗体
が実装された陰極線管を示す概略的正面図である。な
お、これらの図において、従来例の第４図および第５図
に示した要素と同一のものには同一の符号を付し重複し
た説明を省略する。FIG. 1 is a schematic perspective view showing a resistor used in a cathode ray tube according to an embodiment of the present invention, and FIG. 2 is a schematic front view showing a cathode ray tube in which the resistor is mounted. In these figures, the same elements as those shown in FIGS. 4 and 5 of the conventional example are designated by the same reference numerals, and the duplicated description will be omitted.
第１図中符号60は薄い平板状のセラミック基板であり、
このセラミック基板60上には、酸化ルテニウムを主体と
した500〜5000MΩ程度の高抵抗値の抵抗材61がジグザグ
パターンに形設されている。また、このセラミック基板
60の上下端および中間部の所定の位置には、抵抗材61よ
り低い抵抗の酸化ルテニウムを主体とした低抵抗材、金
や銀を含有する導電性塗料等からなる円形状の電極取出
部51、52、53、54、55が設けられている。In FIG. 1, reference numeral 60 is a thin flat ceramic substrate,
On this ceramic substrate 60, a resistance material 61 mainly composed of ruthenium oxide and having a high resistance value of about 500 to 5000 MΩ is formed in a zigzag pattern. Also, this ceramic substrate
At a predetermined position of the upper and lower ends and the middle portion of 60, a circular electrode lead-out portion 51 made of a low-resistance material mainly composed of ruthenium oxide having a lower resistance than the resistance material 61, a conductive paint containing gold or silver, etc. , 52, 53, 54, 55 are provided.
また、上下端の電極取出部51、55および中間部の第１の
電極取出部52は抵抗材61に直接接続され、一方、第２の
電極取出部53および第３の電極取出部54は抵抗材61の所
望とする電圧分割比に応じた位置56、57から離れた位置
に設けられていて、第２の電極取出部53と抵抗材61の位
置56間および第３の電極取出部54と抵抗材61の位置57間
はそれぞれリード部58、59を介して電気的に接続されて
いる。Further, the electrode lead-out portions 51 and 55 at the upper and lower ends and the first electrode lead-out portion 52 in the middle portion are directly connected to the resistance material 61, while the second electrode lead-out portion 53 and the third electrode lead-out portion 54 are connected to the resistance member 61. It is provided at a position apart from the positions 56 and 57 according to the desired voltage division ratio of the material 61, and is provided between the second electrode lead-out portion 53 and the position 56 of the resistance material 61 and the third electrode lead-out portion 54. The positions 57 of the resistance material 61 are electrically connected via lead portions 58 and 59, respectively.
なお、上記のリード部58、59は抵抗材61と同じ材料でも
よいし、電極取出部と同じ材料でもよい。すなわち抵抗
材、導電材のいずれでもよい。The lead parts 58 and 59 may be made of the same material as the resistance material 61 or the same material as the electrode lead-out part. That is, either a resistance material or a conductive material may be used.
たとえばリード部58、59に抵抗材を用いた場合には、第
３図に示すような等価回路を構成することになる。すな
わち、抵抗材による第１〜第３の電極取出部52、53、54
の分割電圧V1、V2、V3は上端の電極取出部51と第１の電
極取出部52間の抵抗値をR1、第１の電極取出部52と抵抗
材61の位置56間の抵抗値をR2、抵抗材61の位置56と位置
57間の抵抗値をR3、抵抗材61の位置57と下端の電極取出
部55間の抵抗値をR4としたとき、 となり、リード部58、59の抵抗値r1、r2はこれらの分割
電圧V1、V2、V3には影響を与えない。For example, when a resistance material is used for the lead parts 58 and 59, an equivalent circuit as shown in FIG. 3 is constructed. That is, the first to third electrode lead-out portions 52, 53, 54 made of resistance material
The divided voltages V 1 , V 2 and V 3 are the resistance value between the upper electrode lead-out portion 51 and the first electrode lead-out portion 52 R 1 , and between the first electrode lead-out portion 52 and the position 56 of the resistance material 61. Resistance value is R 2 , position 56 and position of resistance material 61
When the resistance value between 57 is R 3 , and the resistance value between the position 57 of the resistance material 61 and the electrode extraction portion 55 at the lower end is R 4 , Therefore, the resistance values r 1 and r 2 of the lead parts 58 and 59 do not affect the divided voltages V 1 , V 2 and V 3 .
そして、電極取出部を除く抵抗材61およびリード部58、
59はガラス等による絶縁材75が薄くコーティングされて
いる。Then, the resistance material 61 and the lead portion 58 excluding the electrode extraction portion,
Insulation material 59 such as glass is thinly coated on 59.
このような構成を有する抵抗体５が、第２図に示すよう
に、電子銃１に使用された場合、第１、第２、第３の電
極取出部52、53、54は電子銃１の所望の電極位置に合わ
せることができる。すなわち第１の電極取出部52を第５
グリッド15の位置に合わせて抵抗材61のパターンニング
を設計した場合にも、リード部58、59を設けることによ
り第２の電極取出部53は第４グリッド14の位置に、第３
の電極取出部54は第３グリッド13の位置に合わせて設計
することができ、第２図に示すような抵抗体５の表面の
ｚ軸方向における電位の変化は電子銃１の周囲のｚ軸方
向における電位の変化とほぼ同等となってくる。When the resistor 5 having such a structure is used in the electron gun 1 as shown in FIG. 2, the first, second, and third electrode lead-out portions 52, 53, 54 are of the electron gun 1. The desired electrode position can be adjusted. That is, the first electrode lead-out portion 52 is
Even when the patterning of the resistance material 61 is designed according to the position of the grid 15, the second electrode lead-out part 53 is provided at the position of the fourth grid 14 and the third part by providing the lead parts 58 and 59.
The electrode lead-out portion 54 can be designed according to the position of the third grid 13, and the change in the potential of the surface of the resistor 5 in the z-axis direction as shown in FIG. It becomes almost the same as the change of the potential in the direction.
このときの様子を従来例と比較して第７図に示す。The state at this time is shown in FIG. 7 in comparison with the conventional example.
図中一点鎖線が本発明による抵抗体の場合の抵抗体５表
面の電位変化で、図中実線で示した電子銃１の電極付近
の電位変化とほぼ一致している。In the figure, the alternate long and short dash line shows the potential change on the surface of the resistor 5 in the case of the resistor according to the present invention, which is almost the same as the potential change near the electrode of the electron gun 1 shown by the solid line in the figure.
しかして、ネック内における抵抗体による強電界域は特
に発生せず放電が防止される。特に各電極取出部は電子
銃の各電極とｚ軸方向に沿って電位が同程度となるよう
にされているので、この部分に金属接続子が接触された
としてもグロー状の放電現象は発生せず実用性に富んだ
カラー受像管が提供されることになる。Therefore, the strong electric field region due to the resistor in the neck is not particularly generated and the discharge is prevented. In particular, since the potential of each electrode extraction portion is made to be approximately the same as that of each electrode of the electron gun along the z-axis direction, a glow-like discharge phenomenon occurs even if a metal connector contacts this portion. Without that, a color picture tube with high practicality will be provided.
なお、上述した実施例においては、カラー受像管用電子
銃の電極に電位を供給するための抵抗体について述べて
いるが、本発明はこれに限定されることなく、たとえば
マスク集束型カラー受像管において電位の供給を行う場
合にも適応できることはもちろんのことである。In addition, in the above-mentioned embodiment, the resistor for supplying the electric potential to the electrode of the electron gun for the color picture tube is described, but the present invention is not limited to this, and for example in a mask focusing type color picture tube. Of course, it can be applied to the case of supplying the electric potential.
［発明の効果］ 以上説明したように本発明の陰極線管によれば、抵抗体
に起因する強電界域による放電の発生、さらにはグロー
状の放電の発生が防止され、実用性に富んだものとな
る。[Effects of the Invention] As described above, according to the cathode ray tube of the present invention, the occurrence of discharge due to the strong electric field region due to the resistor, and further the occurrence of glow-like discharge are prevented, which is highly practical. Becomes
【図面の簡単な説明】 第１図は本発明の一実施例に係る抵抗体の概略的平面
図、第２図は第１図の抵抗体を使用したカラー受像管用
電子銃を示す概略的正面図、第３図は第２図の電気回路
図、第４図は従来の抵抗体を使用したカラー受像管用電
子銃の概略的正面図、第５図は第４図の抵抗体の概略的
平面図、第６図は第４図の電気回路図、第７図は本発明
の効果を説明するための図である。 １……電子銃 ５……抵抗体 51、52、53、54、55……電極取出部 58、59……リード部BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic plan view of a resistor according to an embodiment of the present invention, and FIG. 2 is a schematic front view showing a color picture tube electron gun using the resistor of FIG. Fig. 3 is an electric circuit diagram of Fig. 2, Fig. 4 is a schematic front view of an electron gun for a color picture tube using a conventional resistor, and Fig. 5 is a schematic plan view of the resistor of Fig. 4. 6 and 6 are electric circuit diagrams of FIG. 4, and FIG. 7 is a diagram for explaining the effect of the present invention. 1 ... Electron gun 5 ... Resistor 51, 52, 53, 54, 55 ... Electrode take-out part 58, 59 ... Lead part
Claims (1)
生手段から発生される電子ビームをターゲット上に収束
させる少なくとも２種類の電圧が印加される複数個の電
極からなる電子ビーム収束手段と、これら電極の近傍に
配置され陽極からの高電圧をこれら電極に分圧供給する
抵抗体とを備え、 前記抵抗体が、絶縁基板と、この基板上に電極配置方向
に沿って形成された抵抗材による主パターンと、この抵
抗材を被覆する絶縁被覆層と、前記抵抗材と所定の位置
で接続されこの抵抗材によって分圧された所定の電圧を
前記各電極にそれぞれ供給する複数個の電圧供給部とを
有する陰極線管において、 前記抵抗体の電圧供給部のうち少なくとも１カ所は、前
記抵抗材の主パターンとの間に前記絶縁基板上において
主パターンに実質的に平行に設けられたリード部を有す
ることを特徴とする陰極線管。1. An electron beam converging means comprising electron beam generating means, a plurality of electrodes to which at least two kinds of voltages for converging an electron beam generated from the electron beam generating means onto a target are applied, and these. A resistor arranged in the vicinity of the electrodes to supply a high voltage from the anode to these electrodes in a divided manner, wherein the resistor comprises an insulating substrate and a resistance material formed on the substrate along the electrode arrangement direction. A main pattern, an insulating coating layer that covers the resistance material, and a plurality of voltage supply units that are connected to the resistance material at predetermined positions and supply a predetermined voltage divided by the resistance material to each of the electrodes. In the cathode ray tube having, at least one of the voltage supply parts of the resistor is substantially parallel to the main pattern on the insulating substrate between the main pattern of the resistance material and the main pattern. Cathode ray tube and having a lead portion provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62016400A JPH07123031B2 (en) | 1987-01-27 | 1987-01-27 | Cathode ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62016400A JPH07123031B2 (en) | 1987-01-27 | 1987-01-27 | Cathode ray tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63184249A JPS63184249A (en) | 1988-07-29 |
| JPH07123031B2 true JPH07123031B2 (en) | 1995-12-25 |
Family
ID=11915195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62016400A Expired - Fee Related JPH07123031B2 (en) | 1987-01-27 | 1987-01-27 | Cathode ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07123031B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036613A1 (en) * | 2002-10-16 | 2004-04-29 | Kabushiki Kaisha Toshiba | Resistor for electron gun structure, electron gun structure comprising it, and cathode ray tube |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2573688Y2 (en) * | 1992-08-05 | 1998-06-04 | 三菱電機株式会社 | Cathode ray tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS639984Y2 (en) * | 1980-06-10 | 1988-03-24 |
-
1987
- 1987-01-27 JP JP62016400A patent/JPH07123031B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036613A1 (en) * | 2002-10-16 | 2004-04-29 | Kabushiki Kaisha Toshiba | Resistor for electron gun structure, electron gun structure comprising it, and cathode ray tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63184249A (en) | 1988-07-29 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |