JPS61230250A - Display device - Google Patents
Display deviceInfo
- Publication number
- JPS61230250A JPS61230250A JP7122185A JP7122185A JPS61230250A JP S61230250 A JPS61230250 A JP S61230250A JP 7122185 A JP7122185 A JP 7122185A JP 7122185 A JP7122185 A JP 7122185A JP S61230250 A JPS61230250 A JP S61230250A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- plate
- support means
- support
- deflection
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/123—Flat display tubes
- H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
- H01J31/126—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using line sources
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、電子ビームを用いて画像を表示する表示装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a display device that displays images using electron beams.
（従来の技術）
従来の表示装置の技術としては、例えば、特開昭５７−
１３２６５０号、及び特開昭５６−３８７４９号等が挙
げられる。(Prior art) As a conventional display device technology, for example, Japanese Patent Application Laid-Open No. 1986-
No. 132650, and JP-A-56-38749.
第５図は特開昭５７−１３２６５０号で示される従来例
の要部断面図であって、２９は偏向電極、３０は蛍光体
塗布面、３４は支持手段を示す。FIG. 5 is a sectional view of a main part of a conventional example disclosed in Japanese Patent Application Laid-Open No. 57-132650, in which 29 shows a deflection electrode, 30 shows a phosphor coated surface, and 34 shows a support means.
これは、蛍光体塗布面３０上に格子状に構成した支持手
段３４を設置し、支持手段３４上に電子ビームを偏向す
る偏向電極２９を載置する構成である。This is a configuration in which support means 34 configured in a grid shape is installed on the phosphor coated surface 30, and a deflection electrode 29 for deflecting the electron beam is placed on the support means 34.
第６図は特開昭５６−３８７４９号で示される従来例の
要部斜視図であって、５０はフェースプレート、５１は
支持手段、５２はシャドウマスク、５３は位置規制部材
を示す。FIG. 6 is a perspective view of essential parts of a conventional example disclosed in Japanese Patent Application Laid-Open No. 56-38749, in which 50 indicates a face plate, 51 a support means, 52 a shadow mask, and 53 a position regulating member.
これは、フェースプレート５０上に支持手段５１を配設
し、支持手段５１間にシャドウマスク５２を載架し、さ
らに支持手段５１上に電極ユニット群を載置させる構造
となっている。This has a structure in which support means 51 are disposed on a face plate 50, a shadow mask 52 is placed between the support means 51, and further an electrode unit group is placed on the support means 51.
（発明が解決しようとする問題点）
第５図に示す従来例の構成では、蛍光体塗布面３０と、
格子状の支持手段３４との位置決め方法が明確化されて
おらず、仮に格子状の支持手段５１が正確に蛍光体塗布
面３０に位置決め載置されたとしても、偏向電極２９を
支持手段３４に嵌合させる時に支持手段３４が動いてし
まい、蛍光体に傷を付け、黒点が生じる等の画質上の問
題を生じる。(Problems to be Solved by the Invention) In the conventional configuration shown in FIG.
The method for positioning the grid-like support means 34 is not clear, and even if the grid-like support means 51 is accurately positioned and mounted on the phosphor coated surface 30, the deflection electrode 29 cannot be positioned on the support means 34. The support means 34 moves during fitting, which damages the phosphor and causes image quality problems such as black spots.
一方、第６図に示す従来の構成では、支持手段５１は両
端の位置規制部材５３により蛍光体への位置規制をして
いるが、支持手段５１が長手の矢印Ｚ方向に撓んだりす
ると、電子ビームの軌道上に支持手段５１が進入し、画
像の欠けを招く。On the other hand, in the conventional configuration shown in FIG. 6, the support means 51 restricts the position of the phosphor with position restriction members 53 at both ends, but if the support means 51 bends in the longitudinal arrow Z direction, The support means 51 enters the trajectory of the electron beam, causing image loss.
また、前記支持手段５１上に載置する電極群との相対的
位置ずれも発生し、ビームの軌道とシャドウマスク５２
の穴の位置がずれて色ずれや、ビームフォーカスが狂う
という問題点を生じるものである。In addition, a relative positional shift with respect to the electrode group placed on the support means 51 also occurs, and the trajectory of the beam and the shadow mask 52
This causes problems such as color shift and beam focus due to the position of the hole being shifted.
（問題点を解決するための手段）
本発明は、上記問題点を解決するために以下の手段を講
じた表示装置を提供するものである。(Means for Solving the Problems) The present invention provides a display device that takes the following measures to solve the above problems.
本発明は、真空容器内に、電子ビームを変調する変調電
極と、変調電極を通過した電子ビームを偏向する偏向電
極と、電子ビームの衝突により発光する表示手段と、そ
の表示手段に一方の面は接し他方の面は前記偏向電極と
係合する格子状でその格子状の交叉点を接合固定してな
る支持手段と、変調電極及び偏向電極と支持手段とを固
定保持す°る保持手段と、その保持手段を前記表示手段
の所定位置に位置規制する位置規制手段とを備え、前記
変調電極及び偏向電極と支持手段及び保持手段とで電極
ユニットを構成し、電極ユニットを表示手段上に複数個
並設した構成としたものである。The present invention provides a modulation electrode that modulates an electron beam, a deflection electrode that deflects the electron beam that has passed through the modulation electrode, a display means that emits light due to collision of the electron beam, and a display means that has one surface in a vacuum container. a support means formed by connecting and fixing the intersection points of the grid, the other surface of which is in contact with the deflection electrode, and which is formed by joining and fixing the intersection points of the grid; and a holding means that fixedly holds the modulation electrode, the deflection electrode, and the support means. , a position regulating means for positionally regulating the holding means to a predetermined position on the display means, the modulation electrode and the deflection electrode, the support means and the holding means constitute an electrode unit, and a plurality of electrode units are mounted on the display means. The configuration is such that they are arranged in parallel.
（作用）
このようにすれば、変調電極と偏向電極と格子状の支持
手段とを一体にユニット化すると共に、格子状の支持手
段の交叉点を接合固定して剛体化した支持手段を、偏向
電極と係合固定していることにより、電極ユニットの組
立時の位置ずれ、組立後の変形等が非常に小さくなる。(Function) In this way, the modulation electrode, the deflection electrode, and the lattice-shaped support means are integrated into a unit, and the intersection points of the lattice-shaped support means are bonded and fixed to make the support means rigid. By engaging and fixing the electrode unit, positional deviation during assembly of the electrode unit, deformation after assembly, etc. are extremely reduced.
この電極ユニットを表示手段上に設けられた位置規制部
材に合せて表示手段上に順次並設するため、表示手段上
に支持手段、電極手段と順次載置していく構造と異なり
、各部材毎の相対的位置ずれが非常に小さくなる。This electrode unit is sequentially arranged on the display means in line with the position regulating member provided on the display means. The relative positional deviation of will be very small.
（実施例）
以下、第１図から第４図を用いて本発明の一実施例を説
明する。(Example) Hereinafter, an example of the present invention will be described using FIGS. 1 to 4.
第２図は本発明の表示装置の全体斜視図であり、１はガ
ラス製の外囲器、２は金属板、３は背面板。FIG. 2 is an overall perspective view of the display device of the present invention, in which 1 is a glass envelope, 2 is a metal plate, and 3 is a back plate.
４は背面電極板、−ミーは電極ユニット、６は電極端子
である。4 is a back electrode plate, -mi is an electrode unit, and 6 is an electrode terminal.
ガラス製の外囲器１の一方には薄板の金属板２が全周に
亘り接着してあり、金属板２と周辺部が密着シールされ
ている薄板の背面板３がある。A thin metal plate 2 is adhered to one side of the glass envelope 1 over the entire circumference, and there is a thin back plate 3 whose peripheral portion is closely sealed to the metal plate 2.
背面板３の内側には背面電極板４が配設してあり、電極
ユニット互は複数個外囲器の中に並設してあり、電極ユ
ニット旦の電極端子６は図示しない駆動回路に接続して
いる。A back electrode plate 4 is disposed inside the back plate 3, and a plurality of electrode units are arranged in parallel in an envelope, and the electrode terminals 6 of the electrode units are connected to a drive circuit (not shown). are doing.
第１図は本発明の電極ユニット−塁−の拡大斜視図であ
り、ｉは電極ユニット、７は変調電極部、７ａ。FIG. 1 is an enlarged perspective view of the electrode unit-base of the present invention, where i is the electrode unit and 7 is a modulation electrode section 7a.
７ｂは基準位置決め穴、８はカソード、９は偏向電極、
１０は位置決め部材、１１は板バネ、豆は支持手段、１
６は保持板、２０はフェースプレート部、２２は固定金
具、２３は規制板、２３ａは基準位置決め穴を示す。7b is a reference positioning hole, 8 is a cathode, 9 is a deflection electrode,
10 is a positioning member, 11 is a leaf spring, beans are supporting means, 1
Reference numeral 6 indicates a holding plate, 20 a face plate portion, 22 a fixture, 23 a regulation plate, and 23a a reference positioning hole.
電子ビームの変調電極部７は複数枚の薄板で構成され、
電子ビームの通過する部分には所定の大きさの穴が形成
してあり、変調電極部７の両端には基準位置決め穴７ａ
、 ７ｂを設けである。The electron beam modulation electrode section 7 is composed of a plurality of thin plates,
A hole of a predetermined size is formed in the part through which the electron beam passes, and reference positioning holes 7a are provided at both ends of the modulation electrode section 7.
, 7b is provided.
カソード８は電圧を印加すると熱電子を放出し、′偏向
電極９は絶縁性の薄板の両面に半導体で電極を形成して
いる。この偏向電極９は１つの電極ユニットで複数枚配
設し・ており、本実施例では５枚としているが１枚数は
構成のし易さで任意に設定できる。The cathode 8 emits thermoelectrons when a voltage is applied, and the deflection electrode 9 is formed of a semiconductor on both sides of an insulating thin plate. A plurality of deflection electrodes 9 are arranged in one electrode unit, and in this embodiment, five electrodes are used, but the number of deflection electrodes 9 can be arbitrarily set depending on the ease of configuration.
位置決め部材１０は偏向電極９の各々を変調電極部７の
所定の位置に位置決めするものであり、変調電極部７の
下側に配設しである。The positioning member 10 positions each of the deflection electrodes 9 at a predetermined position on the modulation electrode section 7, and is disposed below the modulation electrode section 7.
板バネ１１はカソード８に張力を与えるもので、図示し
ない電極端子と接続する構成である。The leaf spring 11 applies tension to the cathode 8 and is connected to an electrode terminal (not shown).
支持手段用は薄板の金属板を格子状に構成し、格子状の
交叉部は接合固定してあり、剛性を持たせである。この
格子状の支持手段Ｈは図示しない治具により、ｘ、Ｙ方
向の薄板に張力を加え、所定の寸法精度に入るように組
立構成しである。The supporting means is made of thin metal plates arranged in a lattice shape, and the crossing portions of the lattice shape are fixedly bonded to provide rigidity. This lattice-shaped support means H is assembled to a predetermined dimensional accuracy by applying tension to the thin plates in the x and y directions using a jig (not shown).
なお、支持手段の細部に付いては第４図で別途説明する
。The details of the support means will be explained separately with reference to FIG. 4.
第３図は電極ユニットの端部側面図であり、１３は第１
の支持板、１４は第２の支持板、１５は固定板、１７．
１９は固定部材、 １８は支え板、２４，２５．２６は
端子金具を示し、その他の記号は第１図で説明したもの
と同じである。FIG. 3 is a side view of the end of the electrode unit, and 13 is the first
14 is a second support plate, 15 is a fixing plate, 17.
19 is a fixing member, 18 is a support plate, 24, 25, and 26 are terminal fittings, and other symbols are the same as those explained in FIG.
保持手段としての保持板１６は絶縁体基板で構成し、変
調電極部７側は薄板の固定部材１７で保持板１６と変調
電極部７と結合固定しである。The holding plate 16 as a holding means is made of an insulating substrate, and the holding plate 16 and the modulating electrode part 7 are coupled and fixed by a thin plate fixing member 17 on the modulation electrode part 7 side.
格子状の支持手段■側は、固定板１５と固定した支え板
１８と保持板１６とが第２の固定部材１９を介して固定
されている。On the side of the lattice-shaped support means (2), a fixing plate 15, a fixed supporting plate 18, and a holding plate 16 are fixed via a second fixing member 19.
フェースプレート部２０は外囲器の一部をなす表示板と
して、内部面には蛍光体２１が塗布しである。The face plate portion 20 serves as a display plate forming a part of the envelope, and has a phosphor 21 coated on its inner surface.
位置規制手段として、固定金具２２と規制板２３があり
、固定金具２２は薄板部材で各ユニット毎に電極の両端
部に各々配置し、フェースプレート部２０に接着形成し
ている。規制板２３には基準位置決め穴２３ａが設けて
あり、図示しない治具により、所定の位置に基準穴が位
置するよう配置した上で規制板２３を固定金具２２に接
合しである。As the position regulating means, there are a fixing metal fitting 22 and a regulating plate 23. The fixing metal fitting 22 is a thin plate member, and is arranged at both ends of the electrode for each unit, and is adhesively formed on the face plate portion 20. The regulation plate 23 is provided with a reference positioning hole 23a, and the regulation plate 23 is bonded to the fixing metal fitting 22 after the reference hole is positioned at a predetermined position using a jig (not shown).
偏向電極の端子金具２４，２５，２６は電極ユニットの
両端部に配設しである。端子の接続の図示は省略してい
る。Terminal fittings 24, 25, and 26 of the deflection electrodes are arranged at both ends of the electrode unit. Illustrations of terminal connections are omitted.
支え板１８は偏向電極９の両端を支えており、変調電極
と偏向電極とを固定している。The support plate 18 supports both ends of the deflection electrode 9 and fixes the modulation electrode and the deflection electrode.
第４図は支持手段の要部斜視図である。FIG. 4 is a perspective view of essential parts of the support means.
支持手段ＵはＸ方向の第１の支持板１３とＹ方向の第２
の支持板１４とで構成してあり、Ｙ方向の支持板の交叉
部の下側には突起１４ａが形成しである。The support means U includes a first support plate 13 in the X direction and a second support plate 13 in the Y direction.
A projection 14a is formed on the lower side of the intersection of the support plates in the Y direction.
また、支持手段旦の端部は薄い金属板で構成したＩＩＩ
板１５に各々溶接固定され、固定板１５には位置決め基
準穴１５ａが設けてあり、その固定板１５は支持手段Ｕ
の両端に接合配置しである。Further, the end of the support means is made of a thin metal plate.
They are each welded and fixed to the plate 15, and the fixing plate 15 is provided with a positioning reference hole 15a, and the fixing plate 15 is connected to the supporting means U.
It is arranged to be joined at both ends.
第２の支持板１４の端寄り２個は第３図に示すように、
突起１４ａが他の第２の支持板１４より若干高くしてい
る。そのため、電極ユニット−巨−をフェースプレート
部２０に接触させた時、電極ユニット旦の両端部の第２
の支持板■４のみがフェースプレート部２０に接する構
成である。As shown in FIG. 3, the two pieces near the end of the second support plate 14 are
The protrusion 14a is slightly higher than the other second support plates 14. Therefore, when the electrode unit - giant - is brought into contact with the face plate section 20, the second
Only the support plate (4) is in contact with the face plate portion 20.
また、両端から各２個の第２の支持板１４の下は発光画
像面の領域外に位置させている。この状態で第２図に示
すように背面電極板４を載置し、背面板３を密着させ、
真空排気した時、中央に位置する第２の支持板１４がフ
ェースプレート部２０に接する構成である。Further, the bottoms of each of the two second support plates 14 from both ends are located outside the area of the light emitting image plane. In this state, as shown in FIG. 2, place the back electrode plate 4 and bring the back plate 3 into close contact.
The configuration is such that the second support plate 14 located at the center contacts the face plate portion 20 when evacuated.
第２の支持板１４は交叉部の上側に凹部１４ｂを構成し
、凹部１４ｂは前記偏向電極９の下端部に係合固定して
いる・
電極ユニットｌをフェースプレート部２０に載置する時
には、図示しないピンにより変調電極部７の基準位置決
め穴７ａ 、 ７ｂと、支持手段Ｈの両端部の固定板１
５の位置決め基準穴１５ａ、及び規制板２３の基準位置
決め穴２３ａが同一軸芯となるように合せた後、両端の
固定板１５を規制板２３に溶接接合する。The second support plate 14 has a recess 14b above the intersection, and the recess 14b is engaged and fixed to the lower end of the deflection electrode 9. When placing the electrode unit l on the face plate 20, The reference positioning holes 7a and 7b of the modulation electrode section 7 and the fixing plate 1 at both ends of the support means H are connected by pins (not shown).
After aligning the positioning reference hole 15a of No. 5 and the reference positioning hole 23a of the regulating plate 23 so that they are coaxial, the fixed plates 15 at both ends are welded to the regulating plate 23.
以上の動作を所定個数の電極ユニット互をフェースプレ
ート部２０に順次並設することにより１表示装置全体の
電極を構成できる。電極ユニット互を全数収納した後、
カソード８を張架し、背面電極板４の載置、背面板３の
取付けを行うことによりパネルの組立は完了する。By carrying out the above operations and sequentially arranging a predetermined number of electrode units in parallel on the face plate section 20, the electrodes for one entire display device can be constructed. After storing all the electrode units,
The assembly of the panel is completed by stretching the cathode 8, placing the back electrode plate 4, and attaching the back plate 3.
なお、第１の支持板１３が電子ビームの軌道上の障害に
ならないよう電子ビームの補正偏向を行うものである。Note that the first support plate 13 performs corrective deflection of the electron beam so that it does not become an obstacle on the trajectory of the electron beam.
（発明の効果）
以上説明したように、本発明は電子ビームの変調電極、
偏向電極、格子状支持手段を小さなユニットの電極ユニ
ットとして一体化し、電極ユニットをフェースプレート
の位置制御手段に位置合せしながら設置していくため、
フェースプレートの蛍光体と、電極ユニットの各部の相
対的位置ずれが非常に少なくなり、電子ビームの位置ず
れによる色ずれがなくなり、良好な画像の表示装置を得
ることができる。また、組立時の蛍光体の損傷をなくす
ことができ、製造面での信頼性を大幅に向上できる。(Effects of the Invention) As explained above, the present invention provides an electron beam modulation electrode,
The deflection electrode and grid support means are integrated into a small electrode unit, and the electrode unit is installed while aligning with the position control means of the face plate.
The relative positional deviation between the phosphor of the face plate and each part of the electrode unit is extremely reduced, color shift due to positional deviation of the electron beam is eliminated, and a display device with good images can be obtained. Furthermore, damage to the phosphor during assembly can be eliminated, and manufacturing reliability can be greatly improved.
第１ＷＩは本発明の電極ユニットの拡大斜視図、第２図
は本発明の表示装置の全体斜視図、第３１！１は電極ユ
ニットの端部側面図、第４図は支持手段 ゛の要部斜視
図、第５図は従来例の要部断面図、第６図は従来例の要
部斜視図である。
−巨一・・・電極ユニット、７ ・・・変調電極。
９・・・偏向電極、■・・・支持手段、１６・・・保持
板、２３・・・規制板。
特許出願人 松下電器産業株式会社
第２図
第３図
８％； ′υ
第４図
第５図
第６図1st WI is an enlarged perspective view of the electrode unit of the present invention, FIG. 2 is an overall perspective view of the display device of the present invention, 31!1 is an end side view of the electrode unit, and FIG. 4 is the main part of the supporting means. FIG. 5 is a sectional view of a main part of a conventional example, and FIG. 6 is a perspective view of a main part of a conventional example. -Giant one...electrode unit, 7...modulation electrode. 9... Deflection electrode, ■... Supporting means, 16... Holding plate, 23... Regulating plate. Patent applicant Matsushita Electric Industrial Co., Ltd. Figure 2 Figure 3 8%; ′υ Figure 4 Figure 5 Figure 6
Claims (1)
電極を通過した電子ビームを偏向する偏向電極と、電子
ビームの衝突により発光する表示手段と、その表示手段
に一方の面は接し他方の面は前記偏向電極と係合する格
子状でその格子状の交叉点を接合固定してなる支持手段
と、変調電極及び偏向電極と支持手段とを固定保持する
保持手段と、その保持手段を前記表示手段の所定位置に
位置規制する位置規制手段とを備え、 前記変調電極及び偏向電極と支持手段及び保持手段とで
電極ユニットを構成し、電極ユニットを表示手段上に複
数個並設して構成したことを特徴とする表示装置。[Scope of Claims] A modulation electrode that modulates an electron beam, a deflection electrode that deflects the electron beam that has passed through the modulation electrode, a display unit that emits light by collision of the electron beam, and one of the display units is disposed in a vacuum container. a support means formed by connecting and fixing the intersection points of the grid, the surfaces of which are in contact with each other and the other surface is engaged with the deflection electrode; and a holding means which fixedly holds the modulation electrode, the deflection electrode, and the support means. , a position regulating means for regulating the position of the holding means at a predetermined position on the display means, the modulation electrode and the deflection electrode, the supporting means and the holding means constitute an electrode unit, and a plurality of electrode units are arranged on the display means. A display device characterized in that it is configured by arranging two pieces in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7122185A JPS61230250A (en) | 1985-04-05 | 1985-04-05 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7122185A JPS61230250A (en) | 1985-04-05 | 1985-04-05 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61230250A true JPS61230250A (en) | 1986-10-14 |
| JPH051580B2 JPH051580B2 (en) | 1993-01-08 |
Family
ID=13454399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7122185A Granted JPS61230250A (en) | 1985-04-05 | 1985-04-05 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61230250A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646945A1 (en) * | 1993-10-01 | 1995-04-05 | Matsushita Electric Industrial Co., Ltd. | Flat type image display apparatus and fabrication method therefor |
-
1985
- 1985-04-05 JP JP7122185A patent/JPS61230250A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646945A1 (en) * | 1993-10-01 | 1995-04-05 | Matsushita Electric Industrial Co., Ltd. | Flat type image display apparatus and fabrication method therefor |
| US5581148A (en) * | 1993-10-01 | 1996-12-03 | Matsushita Electric Industrial Co., Ltd. | Flat type image display apparatus and fabrication method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051580B2 (en) | 1993-01-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |