JPH03129648A - Display device - Google Patents
Display deviceInfo
- Publication number
- JPH03129648A JPH03129648A JP26644089A JP26644089A JPH03129648A JP H03129648 A JPH03129648 A JP H03129648A JP 26644089 A JP26644089 A JP 26644089A JP 26644089 A JP26644089 A JP 26644089A JP H03129648 A JPH03129648 A JP H03129648A
- Authority
- JP
- Japan
- Prior art keywords
- electrode unit
- electron beam
- beam control
- display device
- electrode
- 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
Links
- 238000010894 electron beam technology Methods 0.000 claims abstract description 38
- 125000006850 spacer group Chemical group 0.000 claims abstract description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract 1
- 239000012790 adhesive layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
本発明はテレビジョン受像数 計算機端末デイスプレィ
等に用いられる表示装置に関するものであも
従来の技術
従来の表示装置を添付図面に基づいて説明すも第４図に
従来の表示装置の要部斜視図を示現表示装置ｌｏｔは背
面電極１０２と、複数本の線状熱陰極１０３と、電極ユ
ニット１０４と、蛍光体スクリーン１０５を形成したフ
ェースプレート１０６から構成されていも
電極ユニット１０４は複数枚の電子ビーム制御電極１０
７ａ 〜１０７ｄがスペーサ１０８ａ〜１０８ｃにより
、所定の間隔をもって絶縁積層固定されていも スペー
サ１０８ａ〜１０８ ｃ ｉ＆ 金属板で形成された
芯材１０８ ａ ａ、 １０８ ｂ ａ。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a display device used for television reception, computer terminal display, etc. Background of the Invention A conventional display device will be explained based on the accompanying drawings. FIG. 4 shows a perspective view of the main parts of a conventional display device. The display device lot is composed of a back electrode 102, a plurality of linear hot cathodes 103, an electrode unit 104, and a face plate 106 on which a phosphor screen 105 is formed. Even if the electrode unit 104 has a plurality of electron beam control electrodes 10
7a to 107d are insulatively laminated and fixed at predetermined intervals by spacers 108a to 108c.
１０８ｃａに絶縁膜１０８ ａ ｂ、 １０８ ｂ
ｂＳ１０８ｃｂと、接着層１０８ａｃ、 １０８ｂｃ
、 １０８ｃｃが両面に形成されていも
以下、その動作について説明すも
線状熱陰極１０３にヒート電流と電子取り出しパルス電
圧を印加すると、電子ビームが電子ビーム制御電極１０
７ａに向かって引き出されも 電子ビーム制御電極１０
７ａ−１０７ｄには電子ビームの通過孔またはスリット
が形成されており、電子ビームはこれらの通過孔または
スリットを通過する間に 各電極に印加された電圧によ
り制弧集束、偏向され 高電圧が印加された蛍光体スク
リーン１０５に到達し 選択的に蛍光体を発光させるこ
とにより画像を表示するものである。Insulating film 108 a b, 108 b on 108 ca
bS108cb, adhesive layer 108ac, 108bc
, 108 cc are formed on both sides.The operation will be explained below.When a heat current and an electron extraction pulse voltage are applied to the linear hot cathode 103, an electron beam passes through the electron beam control electrode 10.
The electron beam control electrode 10 is also pulled out toward 7a.
Passing holes or slits for the electron beam are formed in 7a-107d, and while the electron beam passes through these holes or slits, the electron beam is focused and deflected by the voltage applied to each electrode, and a high voltage is applied. The image is displayed by selectively emitting light from the phosphors that reach the phosphor screen 105.
発明が解決しようとする課題
しかしながら、上記に示す電極ユニット１０４の構成の
場合、各電子ビーム制御電極１０７ａ〜１０７ｄを絶縁
固定するスペーサ１０８ａ〜１０８ｃの厚さ、すなわち
絶縁膜１０８ａｂ−１０８ｃｂと接着層１Ｏ８ａＣ〜１
０８ｃｃの厚さが各電子ビーム制御電極１０７ａ−１０
７ｄの間隔を決めるた△ この絶縁膜１０８ａｂ〜１０
８ｃｂと接着層１０８ａｃ−１０８ｃｃの厚さ精度が必
要である力曵 実際にはこれらの精度については多少の
バラツキを持つため電子ビーム制御電極１０７ａ−１０
７ｄｔ友 積層された状態で変形が発生する。ま紅 絶
縁膜１０８ａｂ〜１０８ｃｂと接着層１０８ ａ ｃ
−１０８ｃ ｃは低融点半田ガラスで形成するたべ 絶
縁膜１０８ａｂ−１０８ｃｂ形成する暇 及び各電子ビ
ーム制御電極１０７ａ〜１０７ｄを固定する阪 ４００
〜６００℃に加熱する必要があも このたべ 電子ビー
ム制御電極１０７ａ−１０７ｄの酸化及び熱歪による変
形が生じる。さらに電子ビーム制御電極１０７ａ〜１０
７ｄは図示の通り各々の間のかなりの部分に絶縁膜１０
８ａｂ−１０８ｃｂと接着層１０８ａｃ −１０８ｃ
ｃ介するたべ 電子ビーム制御電極間容量が大きくなり
、特に接着部面積は電極間容量に大きく寄与し 電極駆
動に要する電力の増加という課題を有してい？。Problems to be Solved by the Invention However, in the case of the configuration of the electrode unit 104 shown above, the thickness of the spacers 108a to 108c that insulate and fix each electron beam control electrode 107a to 107d, that is, the thickness of the insulating films 108ab to 108cb and the adhesive layer 1O8aC ~1
Each electron beam control electrode 107a-10 has a thickness of 0.08 cc.
7d interval was determined △ This insulating film 108ab to 10
8cb and the adhesive layer 108ac-108cc. In reality, there is some variation in the accuracy of the electron beam control electrode 107a-10.
7dt friend Deformation occurs in the stacked state. Red Insulating films 108ab to 108cb and adhesive layer 108 a c
-108c C is a plate formed of low melting point solder glass. A plate for forming insulating films 108ab-108cb and a plate for fixing each electron beam control electrode 107a to 107d. 400
It is necessary to heat the electron beam control electrodes 107a to 107d to ~600°C, but deformation occurs due to oxidation and thermal distortion of the electron beam control electrodes 107a to 107d. Further, electron beam control electrodes 107a to 10
7d is an insulating film 10 in a considerable part between each as shown in the figure.
8ab-108cb and adhesive layer 108ac-108c
The capacitance between electron beam control electrodes increases, and the adhesive area in particular contributes significantly to the capacitance between the electrodes, resulting in an increase in the power required to drive the electrodes. .
本発明は上記従来技術の課題を解決することを目的とす
も
課題を解決するための手段
上記課題を解決する本発明の技術的手段は次の通りであ
も
本発明は背面電極と、電子発生源の線状熱陰極と、複数
枚の電子ビーム制御電極で構成された電極ユニットと、
フェースプレートに形成された蛍光体スクリーンを含水
上記電極ユニットカ匁 上記蛍光体スクリーン側に配
置された電子ビーム制御電極の所定位置に直接設けられ
た複数本のビンと、上記ビンの貫通孔を有する複数個の
絶縁物スペーサと、上記ビンの貫通孔を有する電子ビー
ム制御電極と、上記電極ユニットの線状熱陰極側に配置
された上記電極ユニットの固定手段で構成されている。An object of the present invention is to solve the problems of the prior art described above. Means for Solving the Problems The technical means of the present invention for solving the problems described above are as follows. An electrode unit consisting of a linear hot cathode as a source and multiple electron beam control electrodes,
The phosphor screen formed on the face plate is hydrated.The electrode unit has a plurality of bottles provided directly at predetermined positions of the electron beam control electrode arranged on the side of the phosphor screen, and a through hole for the bins. It is composed of a plurality of insulating spacers, an electron beam control electrode having a through hole in the bottle, and means for fixing the electrode unit arranged on the linear hot cathode side of the electrode unit.
作 用 本発明の技術的手段による作用は次のようになる。For production The effects of the technical means of the present invention are as follows.
電極ユニットは絶縁物スペーサを介して複数枚の電子ビ
ーム制御電極を変形することなく所定の間隔に保ちつつ
ビンにより積層固定して構成されまた電極ユニットを加
熱することなく、室温で電極ユニットを構成することに
より電極ユニットの酸化及び熱歪による変形を防止し
さらに絶縁物スペーサの面積を電極固定に必要な最小面
積に抑えることにより電極間容量も十分小さくすること
ができる。The electrode unit is constructed by stacking and fixing multiple electron beam control electrodes with a bottle while keeping them at a predetermined interval without deformation through insulating spacers.The electrode unit is constructed at room temperature without heating the electrode unit. This prevents deformation of the electrode unit due to oxidation and thermal strain.
Furthermore, by suppressing the area of the insulating spacer to the minimum area necessary for fixing the electrodes, the capacitance between the electrodes can be made sufficiently small.
実 施 例
以下、本発明の一実施例を添付図面に基づいて説明すも
第１図に本発明の表示装置の要部斜視図を、第２図に同
表示装置の要部断面図を示す。Embodiment Hereinafter, an embodiment of the present invention will be described based on the accompanying drawings. FIG. 1 is a perspective view of a main part of a display device of the present invention, and FIG. 2 is a sectional view of a main part of the display device. .
表示装置ｌは背面電極２と、複数本の線状熱陰極３と、
格納スペーサ４と、電極ユニット５と、蛍光体スクリー
ン６を形成したフェースプレート７から構成されていも
電極ユニット５は複数枚の電子ビーム制御電極８ａ〜８
ｄと、複数個の絶縁物スペーサ９ａ〜９Ｃと、複数本の
金属で形成されたピンｌＯと、固定絶縁部材１１から構
成されていも また 電子ビーム制御電極８ａ〜８ ｃ
、 絶縁物スペーサ９ａ〜９ｃ及び固定絶縁部材１１
にはピンｌＯの貫通孔が各々所定位置に形成されていも
ピン１０は電子ビーム制御電極８ｄの所定位置にレー
ザ等で突合せ溶接され 絶縁スペーサ９ａ〜９Ｃ及び電
子ビーム制御電極８ａ〜８Ｃをピン１０を通して積層し
ピンｌＯと電子ビーム制御電極８ａ〜８Ｃの絶縁のた
べ 段付きの固定絶縁部材１１をピンｉｏを通して配置
後、ピン１０の線状熱陰極３側頭部をカシメ加工するこ
とにより電極ユニット５を構成する。The display device l includes a back electrode 2, a plurality of linear hot cathodes 3,
The electrode unit 5 is composed of a housing spacer 4, an electrode unit 5, and a face plate 7 on which a phosphor screen 6 is formed.
d, a plurality of insulating spacers 9a to 9C, a plurality of metal pins 1O, and a fixed insulating member 11. Also, electron beam control electrodes 8a to 8c
, insulating spacers 9a to 9c and fixed insulating member 11
Although through-holes for pins 10 are formed at predetermined positions, the pins 10 are butt-welded to predetermined positions of the electron beam control electrodes 8d using a laser or the like, and the insulating spacers 9a to 9C and the electron beam control electrodes 8a to 8C are connected to the pins 10. After placing the stepped fixed insulating member 11 through the pin IO, the electrode unit is assembled by caulking the side part of the linear hot cathode 3 of the pin 10. 5.
電極ユニット５は絶縁物スペーサ９ａ〜９ｃを介して複
数枚の電子ビーム制御電極８ａ〜８ｃを変形することな
く所定の間隔に保ちつつピン１０により積層固定し ま
た電極ユニット５を加熱することなく、室温で電極ユニ
ット５を構成することにより電極ユニット５の酸化を防
止し さらに離散的に配置された絶縁物スペーサ９ａ〜
９ｃの面積を電極固定に必要な最小面積に抑えることに
より電極間容量も十分小さくすることができる。The electrode unit 5 stacks and fixes a plurality of electron beam control electrodes 8a to 8c via insulating spacers 9a to 9c using pins 10 while maintaining a predetermined spacing without deformation, and without heating the electrode unit 5. By configuring the electrode unit 5 at room temperature, oxidation of the electrode unit 5 is prevented, and the insulator spacers 9a to 9 are discretely arranged.
By suppressing the area of 9c to the minimum area necessary for fixing the electrodes, the interelectrode capacitance can also be made sufficiently small.
また 背面電極２と電極ユニット５の間に配置された格
納スペーサ４は金属で形成されており、さらに固定絶縁
部材１１及びピン１０の頭部カシメ部分を格納するため
の格納孔４ａが形成されていも この格納スペーサ４は
金属製で線状熱陰極３のまわりの電界を均一にするため
に設けたものである。もちろん この格納スペーサ（友
絶縁物の表面に導電体をコーティングしたものであっ
ても同様の作用を有すん
次に 本発明の他の実施例について説明す屯第３図に電
子ビーム制御電極へのピンの固定構成を示す。Furthermore, the storage spacer 4 arranged between the back electrode 2 and the electrode unit 5 is made of metal, and is further provided with a storage hole 4a for storing the fixed insulating member 11 and the caulked portion of the head of the pin 10. This storage spacer 4 is made of metal and is provided to make the electric field around the linear hot cathode 3 uniform. Of course, even if the storage spacer is an insulator coated with a conductor, it will have the same effect. The pin fixing configuration is shown.
第３図（Ａ）およびその下面図である同図（ａ）におい
て（戴 電子ビーム制御電極８ｄａには圧入孔１８ｄａ
が形成されており、ピン１０ａを圧入子Ｌ１８ｄａに圧
入することにより電子ビーム制御電極８ｄａにピン１０
ａが固定されるものである。In FIG. 3(A) and its bottom view (a), the electron beam control electrode 8da has a press-fit hole 18da.
is formed, and by press-fitting the pin 10a into the press-fitting element L18da, the pin 10a is attached to the electron beam control electrode 8da.
a is fixed.
第３図（Ｂ）およびその下面図である同図（ｂ）におい
て（よ 電子ビーム制御電極８ｄｂには複数個の圧入突
起孔１８ｄｂを有する圧入孔２８ｄｂか形成されており
、ピン１０ｂを圧入孔２８ｄｂに圧入し 圧入突起孔１
８ｄｂにより電子ビーム制御電極８ｄｂにピン１０ｂが
固定されるものである。In FIG. 3(B) and its bottom view (b), a press-fit hole 28db having a plurality of press-fit protrusion holes 18db is formed in the electron beam control electrode 8db, and the pin 10b is inserted into the press-fit hole 28db. Press-fit into 28db Press-fit protrusion hole 1
The pin 10b is fixed to the electron beam control electrode 8db by 8db.
第３図（Ｃ）において（よ 電子ビーム制御電極８ｄｃ
には嵌合孔１８ｄｃが形成されており、ピンｊｏｂを嵌
合孔１８ｄｃに嵌合し その嵌合部において少なくとも
１箇所を例えばレーザ溶接等の手段により電子ビーム制
御電極８ｄｃにピンｌＯｃか固定されるものであも
発明の効果
本発明によるとつぎのような効果が得られる。In Fig. 3(C), electron beam control electrode 8dc
A fitting hole 18dc is formed in the hole 18dc, and a pin job is fitted into the fitting hole 18dc, and at least one part of the fitting part is fixed to the electron beam control electrode 8dc by means such as laser welding. According to the present invention, the following effects can be obtained.
電極ユニットは絶縁物スペーサを介して複数枚の電子ビ
ーム制御電極を変形することなく所定の間隔に保ちつつ
ピンにより積層固定し また電極ユニットを加熱するこ
となく、室温で電極ユニットを構成することにより電極
ユニットの酸化を防止し さらに絶縁物スペーサの面積
を電極固定に必要な最小面積に抑えることにより電極間
容量も十分小さくすることができも このた八 ムラ等
の無い良好な画像を表示でき、かつ電極間容量を小さく
保つことにより駆動電力を低くできる表示装置を得るこ
とができもThe electrode unit is constructed by stacking and fixing multiple electron beam control electrodes with pins while keeping them at a predetermined interval without deforming them through insulating spacers.Also, by constructing the electrode unit at room temperature without heating the electrode unit. By preventing oxidation of the electrode unit and further reducing the area of the insulating spacer to the minimum area required for fixing the electrodes, the capacitance between the electrodes can be made sufficiently small. In addition, by keeping the interelectrode capacitance small, it is possible to obtain a display device that can reduce driving power.
第１図は本発明の表示装置の要部斜視＠ 第２図は同表
示装置の要部断面は 第３図は本発明の他の実施例の表
示装置の電子ビーム制御電極へのピンの固定構成阻 第
４図は従来の表示装置の要部斜視図である。Fig. 1 is a perspective view of the main part of the display device of the present invention @ Fig. 2 is a cross section of the main part of the display device Fig. 3 is the fixing of pins to the electron beam control electrode of the display device of another embodiment of the present invention Configuration Figure 4 is a perspective view of essential parts of a conventional display device.
Claims (7)
の電子ビーム制御電極で構成された電極ユニットと、フ
ェースプレートに形成された蛍光体スクリーンを含み、
上記電極ユニットが、上記蛍光体スクリーン側に配置さ
れた電子ビーム制御電極の所定位置に直接設けられた複
数本のピンと、上記ピンの貫通孔を有する複数個の絶縁
物スペーサと、上記ピンの貫通孔を有する電子ビーム制
御電極と、上記電極ユニットの上記線状熱陰極側に配置
された上記電極ユニットの固定手段で構成されたことを
特徴とする表示装置。(1) Including a back electrode, a linear hot cathode as an electron source, an electrode unit composed of a plurality of electron beam control electrodes, and a phosphor screen formed on the face plate;
The electrode unit includes a plurality of pins provided directly at predetermined positions of an electron beam control electrode disposed on the phosphor screen side, a plurality of insulating spacers having through holes for the pins, and a through hole for the pins. 1. A display device comprising: an electron beam control electrode having a hole; and means for fixing the electrode unit disposed on the linear hot cathode side of the electrode unit.
トの固定手段の格納スペーサを配置したことを特徴とす
る請求項１記載の表示装置。(2) The display device according to claim 1, further comprising a storage spacer for a fixing means for the electrode unit arranged between the back electrode and the electrode unit.
徴とする請求項２記載の表示装置。(3) The display device according to claim 2, wherein the storage spacer is formed of a metal plate.
て形成されていることを特徴とする請求項２記載の表示
装置。(4) The display device according to claim 2, wherein the storage spacer is formed by coating an insulator with a conductor.
出しないことを特徴とする請求項１記載の表示装置。(5) The display device according to claim 1, wherein the pin does not protrude from the electrode unit toward the phosphor screen.
ることを特徴とする請求項１または請求項５記載の表示
装置。(6) The display device according to claim 1 or claim 5, wherein the pin is butted and fixed to the electron beam control electrode.
固定絶縁部材を介し、上記ピンの線状熱陰極側頭部をカ
シメ加工したものであることを特徴とする請求項１、５
または６記載の表示装置(7) Claims 1 and 5 characterized in that the means for fixing the electrode unit is formed by caulking the linear hot cathode side part of the pin via a fixing insulating member having a through hole for the pin.
or the display device described in 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26644089A JPH03129648A (en) | 1989-10-13 | 1989-10-13 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26644089A JPH03129648A (en) | 1989-10-13 | 1989-10-13 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129648A true JPH03129648A (en) | 1991-06-03 |
Family
ID=17430962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26644089A Pending JPH03129648A (en) | 1989-10-13 | 1989-10-13 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06131989A (en) * | 1992-10-16 | 1994-05-13 | Matsushita Electric Ind Co Ltd | Flat plate type display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5986139A (en) * | 1982-11-09 | 1984-05-18 | Matsushita Electric Ind Co Ltd | Flat plate type image display device |
| JPS60218750A (en) * | 1984-04-13 | 1985-11-01 | Matsushita Electric Ind Co Ltd | Plate-type display device |
| JPS61124032A (en) * | 1984-11-20 | 1986-06-11 | Matsushita Electric Ind Co Ltd | Electron gun of image display unit |
-
1989
- 1989-10-13 JP JP26644089A patent/JPH03129648A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5986139A (en) * | 1982-11-09 | 1984-05-18 | Matsushita Electric Ind Co Ltd | Flat plate type image display device |
| JPS60218750A (en) * | 1984-04-13 | 1985-11-01 | Matsushita Electric Ind Co Ltd | Plate-type display device |
| JPS61124032A (en) * | 1984-11-20 | 1986-06-11 | Matsushita Electric Ind Co Ltd | Electron gun of image display unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06131989A (en) * | 1992-10-16 | 1994-05-13 | Matsushita Electric Ind Co Ltd | Flat plate type display device |
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