JPH04368756A - Expansion type color selecting electrode body structure - Google Patents
Expansion type color selecting electrode body structureInfo
- Publication number
- JPH04368756A JPH04368756A JP14472091A JP14472091A JPH04368756A JP H04368756 A JPH04368756 A JP H04368756A JP 14472091 A JP14472091 A JP 14472091A JP 14472091 A JP14472091 A JP 14472091A JP H04368756 A JPH04368756 A JP H04368756A
- Authority
- JP
- Japan
- Prior art keywords
- supporting rods
- support rod
- aperture grill
- frame
- body structure
- 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 abstract description 8
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】この発明は、カラー陰極線管に用
いられる展張形色選別電極構体フレームの構造に関する
。BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to the structure of an expanded color selection electrode assembly frame used in a color cathode ray tube.
【０００２】0002
【従来の技術】従来の展張形色選別電極構体は、図５に
示すように、相対向する一対の、例えば断面Ｌ字形状の
一対の支持棒２１と、これらの支持棒２１の間に取り付
けられる一対の弾性支持体２２から成るフレーム２を有
し、支持棒２１の蛍光面に相対向する上端面に、アパー
チャグリル１が展張して取り付けられている。フレーム
２にはクリップ３とスプリング４より成る支持棒体５が
取り付けられており、スプリング４に設けられた嵌合孔
４１に、図示していないパネルの内側面に埋め込まれて
いるパネルピンに取り付けられている。2. Description of the Related Art As shown in FIG. 5, a conventional expandable color-selecting electrode structure includes a pair of support rods 21 facing each other, each having an L-shaped cross section, for example, and a structure mounted between these support rods 21. The frame 2 includes a pair of elastic supports 22, and an aperture grill 1 is attached to the upper end surface of the support rod 21 facing the fluorescent screen in an expanded manner. A support rod 5 consisting of a clip 3 and a spring 4 is attached to the frame 2, and is attached to a panel pin (not shown) embedded in the inner surface of the panel into a fitting hole 41 provided in the spring 4. ing.
【０００３】このアパーチャグリル１は、例えば、金属
薄板に化学エッチングによって一方向に所定の間隔で配
列された多数のスリットを形成したもので、スリットの
延在方向の両端縁部が、支持棒２１の上端面に溶接され
る。その際、フレーム２は支持棒２１を内方にたわませ
た状態で保持され、アパーチャグリル１の溶接後、フレ
ーム２の保持を開放することによって発生する弾性力に
てアパーチャグリル１に所定の張力が加わるようにして
いる。[0003] This aperture grille 1 has a large number of slits arranged at predetermined intervals in one direction formed in a metal thin plate by chemical etching, for example, and both end edges in the extending direction of the slits are connected to a support rod 21. Welded to the upper end surface of the At this time, the frame 2 is held with the support rods 21 bent inward, and after welding the aperture grille 1, the elastic force generated by releasing the hold on the frame 2 causes the aperture grille 1 to be held in a predetermined position. This will add tension.
【０００４】フレーム２の支持棒２１と弾性支持体２２
は溶接にて固定さえており、この固定位置は、支持棒２
１のベッセル点近傍で固定したもの、端部で固定したも
の、両者の間で固定したものがある。ベッセル点近傍で
固定したもの、およびベッセル点と端部で固定したもの
は、弾性支持体２２が電子ビームの軌道を遮らないよう
に、支持棒２１の端部から中央に向かってコ字形状に曲
げられた構造となっている。Support rod 21 and elastic support 22 of frame 2
is fixed by welding, and this fixed position is the support rod 2
There are those fixed near the Bessel point 1, those fixed at the end, and those fixed between the two. For those fixed near the Bessel point and those fixed at the Bessel point and the end, the elastic support 22 is formed in a U-shape from the end toward the center so that the elastic support 22 does not block the trajectory of the electron beam. It has a curved structure.
【０００５】[0005]
【発明が解決しようとする課題】従来のフレーム２は、
以上のように、支持棒２１と弾性支持体２２が固定され
ているので、支持棒２１を内方にたわませるために、支
持棒２１の所定の位置を加圧して支持棒２１を変形させ
た場合、支持棒２１に曲げモーメントが作用し、支持棒
２１の内側に大きな引張応力が発生し、ＣＲＴ製造上で
の許容弾性域をはるかに越えるために支持棒２１に塑性
変形が生じ、アパーチャグリル１に所定の張力を加える
ことができない。[Problems to be Solved by the Invention] The conventional frame 2 is
As described above, since the support rod 21 and the elastic support body 22 are fixed, in order to bend the support rod 21 inward, pressure is applied to a predetermined position of the support rod 21 to deform the support rod 21. In this case, a bending moment acts on the support rod 21, a large tensile stress is generated inside the support rod 21, and the support rod 21 undergoes plastic deformation because it far exceeds the allowable elastic range for CRT manufacturing, causing the aperture to collapse. It is not possible to apply a predetermined tension to the grill 1.
【０００６】この張力が小さい場合は、アパーチャグリ
ル１の一本一本の共振周波数が低下し、外部からの振動
によっって大きく揺れてスリット孔が変位し、スリット
孔と所定の蛍光体との位置関係が崩れてカラー陰極線管
の画面上にて色純度の劣化となって現われる。If this tension is small, the resonant frequency of each aperture grille 1 will decrease, and the slit holes will be displaced due to large vibrations due to external vibrations, causing the slit holes to interact with the predetermined phosphor. The positional relationship between the colors is disrupted, and this appears as a deterioration in color purity on the color cathode ray tube screen.
【０００７】この発明は、上記のような課題を解消する
ためになされたもので、支持棒２１の塑性変形を防ぎ、
アパーチャグリルに所定の張力を加えることのできる展
張形色選別電極構体を得ることを目的とする。[0007] This invention was made to solve the above-mentioned problems, and prevents plastic deformation of the support rod 21.
The object of the present invention is to obtain an expanded color-selecting electrode structure capable of applying a predetermined tension to an aperture grill.
【０００８】[0008]
【課題を解決するための手段】この発明に係る展張形色
選別電極構体は、支持棒の断面形状を台形状、あるいは
台形状に近い形状であつてその内面の角度を電子ビーム
の入射角とほぼ等しい角度に形成した点を特徴とする。[Means for Solving the Problems] In the expandable color-selecting electrode structure according to the present invention, the cross-sectional shape of the support rod is trapezoidal or close to trapezoidal, and the angle of the inner surface thereof is adjusted to the incident angle of the electron beam. It is characterized by points formed at almost equal angles.
【０００９】[0009]
【作用】この発明における支持棒は、断面形状を台形状
または台形状に近い形状であつてその内面の角度を電子
ビームの入射角とほぼ等しい角度に形成したので、支持
棒に作用する曲げモーメントの方向に対する支持棒の断
面係数を、電子ビームを遮ることなく断面係数を大きく
することができるので、支持棒を加圧して所定量変形さ
せても支持棒が塑性変形することなく、色選別電極に所
定の張力を加えることができる。[Operation] The support rod in this invention has a trapezoidal or nearly trapezoidal cross-sectional shape, and its inner surface is formed at an angle approximately equal to the incident angle of the electron beam, so that the bending moment acting on the support rod is The section modulus of the support rod in the direction of can be increased without blocking the electron beam, so even if the support rod is deformed by a predetermined amount by applying pressure, the support rod will not be plastically deformed and the color selection electrode A predetermined tension can be applied to the
【００１０】0010
【実施例】実施例１．以下、この発明の一実施例を図に
ついて説明する。図１はこの実施例の斜視図で、図５の
従来例と同一符号はそれぞれ同一構成部分を示しており
、支持棒２１の断面形状を、その内面が電子ビームの入
射角とほぼ等しい約６０°の角度に形成している。[Example] Example 1. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of this embodiment, in which the same reference numerals as in the conventional example in FIG. It is formed at an angle of °.
【００１１】支持棒２１の断面形状を、このように形成
すると、電子ビームを遮ることなく従来のＬ字形の断面
形状のものより断面係数が大きくなり、支持棒２１を加
圧して所定の張力が得られる量だけ内方にたわませても
、支持棒２１が塑性変形することはなく、アパーチャグ
リル１に所定の張力を加えることができる。When the cross-sectional shape of the support rod 21 is formed in this way, the section modulus becomes larger than that of a conventional L-shaped cross-section without blocking the electron beam, and the support rod 21 can be pressurized to a predetermined tension. Even if the support rod 21 is deflected inward by the amount obtained, the support rod 21 will not be plastically deformed, and a predetermined tension can be applied to the aperture grille 1.
【００１２】実施例２．なお、上記実施例では、支持棒
２１の断面形状を、その内面が電子ビームの入射角とほ
ぼ等しい約６０°の台形状としたが、図３に示すような
台形状に近い５角形状、あるいは図４に示すような台形
状に近い６角形状としてもよい。Example 2. In the above embodiment, the support rod 21 has a trapezoidal cross-sectional shape with an inner surface of approximately 60°, which is approximately equal to the incident angle of the electron beam, but it may have a pentagonal shape similar to the trapezoidal shape as shown in FIG. Alternatively, a hexagonal shape close to a trapezoid as shown in FIG. 4 may be used.
【００１３】[0013]
【発明の効果】以上のように、この発明によれば、支持
棒の断面形状を、電子ビームを遮ることのない台形状、
あるいは台形状に近い形状としたので、断面係数が大き
く、アパーチャグリルのフレームへの張架時に、支持棒
に塑性変形が生じることがないので、アパーチャグリル
１に所定の張力を加えることができる。As described above, according to the present invention, the cross-sectional shape of the support rod can be changed to a trapezoidal shape that does not block the electron beam.
Alternatively, since the shape is close to a trapezoidal shape, the section modulus is large and the support rod is not plastically deformed when the aperture grille is stretched on the frame, so that a predetermined tension can be applied to the aperture grille 1.
【図１】この発明の一実施例による展張形色選別電極構
体を斜視図である。FIG. 1 is a perspective view of an expanded color selection electrode structure according to an embodiment of the present invention.
【図２】この実施例の支持棒の断面形状を示す図である
。FIG. 2 is a diagram showing the cross-sectional shape of the support rod of this embodiment.
【図３】この発明の他の実施例による支持棒の断面形状
を示す図である。FIG. 3 is a diagram showing a cross-sectional shape of a support rod according to another embodiment of the present invention.
【図４】この発明のさらに他の実施例による支持棒の断
面形状を示す図である。FIG. 4 is a diagram showing a cross-sectional shape of a support rod according to still another embodiment of the present invention.
【図５】従来の展張形色選別電極構体を示す斜視図であ
る。FIG. 5 is a perspective view of a conventional expanded color selection electrode structure.
１ アパーチャグリル ２ フレーム ２１ 支持棒 ２２ 弾性支持体 1 Aperture grill 2 Frame 21 Support rod 22 Elastic support
Claims (1)
ド素体からなる色選別電極をフレーム上に架張してなる
展張形色選別電極構体において、前記フレームは色選別
電極がとりつけられる相対向する一対の支持棒と、前記
両支持棒間に取り付けられた一対の弾性支持体よりなり
、前記支持棒の断面形状を、台形状、あるいは台形状に
近い形状であつてその内面の角度を電子ビームの入射角
とほぼ等しい角度に形成してなることを特徴とする展張
形色選別電極構体。1. A stretched color selection electrode structure in which a color selection electrode consisting of a large number of grid elements arranged at a predetermined pitch is stretched over a frame, wherein the frame is provided with opposite sides to which the color selection electrodes are attached. It consists of a pair of support rods and a pair of elastic supports attached between the two support rods. An expanded color-selecting electrode structure, characterized in that it is formed at an angle approximately equal to the incident angle of the electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14472091A JPH04368756A (en) | 1991-06-17 | 1991-06-17 | Expansion type color selecting electrode body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14472091A JPH04368756A (en) | 1991-06-17 | 1991-06-17 | Expansion type color selecting electrode body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04368756A true JPH04368756A (en) | 1992-12-21 |
Family
ID=15368745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14472091A Pending JPH04368756A (en) | 1991-06-17 | 1991-06-17 | Expansion type color selecting electrode body structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04368756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102300A2 (en) * | 1999-11-19 | 2001-05-23 | Matsushita Electronics Corporation | Color cathode-ray tube |
-
1991
- 1991-06-17 JP JP14472091A patent/JPH04368756A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102300A2 (en) * | 1999-11-19 | 2001-05-23 | Matsushita Electronics Corporation | Color cathode-ray tube |
| EP1102300A3 (en) * | 1999-11-19 | 2007-05-16 | Matsushita Electric Industrial Co., Ltd. | Color cathode-ray tube |
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