JP2611885B2 - Cathode ray tube - Google Patents
Cathode ray tubeInfo
- Publication number
- JP2611885B2 JP2611885B2 JP3135862A JP13586291A JP2611885B2 JP 2611885 B2 JP2611885 B2 JP 2611885B2 JP 3135862 A JP3135862 A JP 3135862A JP 13586291 A JP13586291 A JP 13586291A JP 2611885 B2 JP2611885 B2 JP 2611885B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode ray
- panel
- ray tube
- long
- short
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/861—Vessels or containers characterised by the form or the structure thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/86—Vessels and containers
- H01J2229/8613—Faceplates
- H01J2229/8616—Faceplates characterised by shape
- H01J2229/862—Parameterised shape, e.g. expression, relationship or equation
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Gas-Filled Discharge Tubes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は陰極線管（ＣＲＴ）に
関するものであり、特に約１６×９の長方形アスペクト
比の周辺形状をもったフエースプレート・パネルを具備
したＣＲＴに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cathode ray tube (CRT), and more particularly to a cathode ray tube (CRT) having a face plate panel having a peripheral shape having a rectangular aspect ratio of about 16.times.9.
【０００２】[0002]
【従来の技術】今日まで市販されているテレビジョン陰
極線管は４×３のアスペクト比をもった観察スクリーン
とパネルをもっている。ここで言うアスペクト比とは幅
すなわち水平寸法と高さすなわち垂直寸法との比であ
る。しかしながら、近い将来、より高い解像度をもった
テレビジョンシステムが商業用テレビジョンに導入され
るようになると、より広いアスペクト比をもった陰極線
管が要求されるようになる。大抵の映画は約２２×９の
アスペクト比で撮影されている。しかしながら２２×９
のアスペクト比をもった陰極線管はその寸法に対して極
めて重いため、陰極線管メーカーは、将来の高解像度シ
ステムとの妥協としてより低い１６×９のアスペクト比
を標準化してきた。2. Description of the Related Art Television cathode ray tubes commercially available to date have an observation screen and a panel having an aspect ratio of 4.times.3. Here, the aspect ratio is the ratio of the width, that is, the horizontal dimension, to the height, that is, the vertical dimension. However, as television systems with higher resolutions are introduced into commercial television in the near future, cathode ray tubes with wider aspect ratios will be required. Most movies are shot with an aspect ratio of about 22x9. However 22 × 9
CRT manufacturers having standardized on a lower 16x9 aspect ratio as a compromise with future high-resolution systems, as cathode ray tubes with aspect ratios of 1.
【０００３】[0003]
【発明が解決しようとする課題】１６×９のアスペクト
比をもって構成された初期に開発された陰極線管は、比
較的大きな曲率をもった周辺側部を含むフエースプレー
ト・パネルをもっていた。周辺側部を湾曲させる目的
は、管を排気したとき外部の圧力に耐えるのに充分な強
度をもったパネルを提供することにある。曲率の大きな
周辺側部をもったパネルの欠点は、陰極線管に適合する
ようにテレビジョン受像機のキャビネットに付加スペー
スを設けなければならない点である。しかしながら、テ
レビジョン受像機の設計者はキャビネットの寸法を出来
る限り小さく、また出来る限り軽くすることを望む。直
線的な側部のパネルをもった陰極線管を作ると、管の寸
法を最小にすることができる反面、がラスの厚みを不所
望に厚くする必要があり、このため管の重みが増すこと
になる。従って、陰極線管のパネルの高さと幅を最小に
することと陰極線管の重量を最小にすることとの妥協を
与える陰極線管の設計が必要になる。Was developed early configured with a aspect ratio of 16 × 9 [0008] cathode ray tube had a faceplate panel including a peripheral side having a relatively large curvature. The purpose of bending the peripheral sides is to provide a panel with sufficient strength to withstand the external pressure can and was evacuated tube. A disadvantage of panels with large peripheral sides is that additional space must be provided in the television receiver cabinet to accommodate the cathode ray tube. However, television receiver designers want the cabinet dimensions to be as small and as light as possible. Making a cathode ray tube with straight side panels can minimize the size of the tube, but requires an undesirably thick lath, which adds weight to the tube. become. Therefore, it is necessary to cathode ray tube designed to provide a compromise between minimizing the weight of that the cathode ray tube to the height and width of the cathode ray tube panel to a minimum.
【０００４】[0004]
【課題を解決するための手段】この発明は、２つの長辺
と２つの短辺を有し、周辺の長辺の長さと周辺の短辺の
長さとの比が約１６／９の長方形のフエースプレート・
パネルを含む改良された陰極線管を提供するものであ
る。この陰極線管は、２つの長辺に平行な長軸と、２つ
の短辺に平行な短軸とをもっており、長方形の観察スク
リーンはフエースプレート・パネルの内面上に設けられ
ている。この発明による改良された陰極線管では、長軸
および短軸を含む面内におけるパネルの長辺の曲率半径
は、観察スクリーンの対角線寸法の約７乃至１０倍、好
ましくは約７．５乃至８．５倍の大きさをもっている。
また長辺の曲率半径と短辺の曲率半径との比は約１．６
乃至１．９の範囲内にある。According to the present invention, there is provided a rectangular shape having two long sides and two short sides, wherein the ratio of the length of the peripheral long side to the length of the peripheral short side is about 16/9. Face plate ・
An improved cathode ray tube including a panel is provided. This cathode ray tube has a long axis parallel to two long sides and a short axis parallel to two short sides, and a rectangular observation screen is provided on the inner surface of the face plate panel. In the improved cathode ray tube according to the present invention, the radius of curvature of the long side of the panel in the plane including the major axis and the minor axis is preferably about 7 to 10 times the diagonal dimension of the observation screen.
More preferably, it is about 7.5 to 8.5 times as large.
The ratio of the radius of curvature of the long side to the radius of curvature of the short side is about 1.6.
To 1.9.
【０００５】[0005]
【作用】上記のような諸条件は１６×９アスペクト比を
もった陰極線管について最適の設計条件を与えることが
できる。The above conditions can provide optimum design conditions for a cathode ray tube having a 16 × 9 aspect ratio.
【０００６】[0006]
【実施例】図１は長方形フアンネル１５によって結合さ
れた長方形のフエースプレート・パネル１２と管状ネッ
ク１４とからなるガラスバルブすなわち外囲器１１を具
えた長方形のカラー陰極線管１０を示す。フアンネル１
５の内面には陽極のボタン１６からネック１４にまで延
びる内部導電性コーテイング（図示せず）が形成されて
いる。パネル１２は長方形の観察用フエースプレート１
８とガラスフリット１７によってフアンネル１５に封着
された周辺フランジすなわち側壁２０とからなる。フエ
ースプレート・パネル１８の内面には３色蛍光体スクリ
ーン２２が形成されており、該スクリーン２２は好まし
くは３つ組に配列された蛍光体の線をもった線状スクリ
ーンからなり、各３つ組は各々３色の蛍光体の線を含ん
でいる。スクリーン２２はドット形式のスクリーンでも
よく、このスクリーンは光吸収マトリックスを含むこと
もあれば含まないこともある。多孔色選択電極すなわち
シャドウマスク２４がスクリーン２２に対して所定の間
隔を保って着脱自在に取り付けられている。図１では点
線によって概略的に示した電子銃２６がネック１４内の
中心に配置されており、該電子銃２６は３色の電子ビー
ム２８を発生してこれを集中路に沿ってマスク２４を通
してスクリーン２２に指向する。1 shows a rectangular color cathode ray tube 10 having a glass bulb or envelope 11 consisting of a rectangular faceplate panel 12 and a tubular neck 14 joined by a rectangular funnel 15. FIG. Juannel 1
5 has an inner conductive coating (not shown) extending from the anode button 16 to the neck 14. Panel 12 is a rectangular observation faceplate 1
8 and a peripheral flange or side wall 20 sealed to the funnel 15 by a glass frit 17. A three-color phosphor screen 22 is formed on the inner surface of the faceplate panel 18 and preferably comprises a linear screen having phosphor lines arranged in triads, each having three lines. Each set contains three color phosphor lines. Screen 22 may be a dot-type screen, which may or may not include a light absorbing matrix. A porous color selection electrode, that is, a shadow mask 24 is detachably attached to the screen 22 at a predetermined interval. An electron gun 26, shown schematically in FIG. 1 by a dashed line, is centrally located within the neck 14, which generates an electron beam 28 of three colors and passes it through the mask 24 along a convergence path. Point to screen 22.
【０００７】図１の陰極線管は、フアンネル１５のネッ
ク１４との接合部の近傍に示されたヨーク３０のような
外部磁気偏向ヨークと共に使用されるように設計されて
いる。ヨーク３０は付勢されると、３本のビーム２８に
磁界を与えて、この３本のビームをスクリーン２２上に
長方形のラスタを描くように水平、垂直に走査させる。
偏向の初期面（０偏向位置）はヨーク３０のほぼ中心に
あるが、実際には縁部磁界により、管の偏向領域はヨー
ク３０から電子銃２６の領域内に軸方向に伸延してい
る。図を簡単にするために、図１では偏向領域における
偏向されたビーム通路の実際の曲がりは示されていな
い。The cathode ray tube of FIG. 1 is designed for use with an external magnetic deflection yoke, such as a yoke 30 shown near the junction of the funnel 15 with the neck 14. When energized, the yoke 30 applies a magnetic field to the three beams 28 to cause the three beams to scan horizontally and vertically on the screen 22 in a rectangular raster.
The initial plane of deflection (zero deflection position) is approximately at the center of the yoke 30, but in practice, the edge magnetic field causes the deflection region of the tube to extend axially from the yoke 30 into the region of the electron gun 26. For the sake of simplicity, the actual deflection of the deflected beam path in the deflection area is not shown in FIG.
【０００８】図２に示すように、長方形のフエースプレ
ート・パネル１２は２つの直交する軸、すなわち長軸Ｘ
および短軸Ｙと、２つの対角線軸Ｄとを含んでいる。フ
エースプレート・パネル１２の周辺の２つの長辺Ｌは長
軸Ｘと実質的に平行であり、２つの短辺Ｓは短軸Ｙと実
質的に平行である。好ましくはフエースプレート・パネ
ルの長辺と短辺は共にＸ、ＹおよびＤ面内で湾曲してお
り、長辺の曲率半径と短辺の曲率半径との比は約１．６
乃至１．９の範囲内にある。また、長辺の曲率半径とス
クリーンの対角線の寸法との比は約７乃至１０の範囲
内、好ましくは約７．５乃至８．５の範囲内にある。こ
れらの範囲は１６×９のアスペクト比をもった陰極線管
についての最適の設計条件を表す。As shown in FIG. 2, the rectangular faceplate panel 12 has two orthogonal axes, the major axis X.
And a short axis Y and two diagonal axes D. The two long sides L around the faceplate panel 12 are substantially parallel to the long axis X, and the two short sides S are substantially parallel to the short axis Y. Preferably, the long side and short side of the faceplate panel are both curved in the X, Y and D planes, and the ratio of the long side radius to the short side radius of curvature is about 1.6.
To 1.9. The ratio of the radius of curvature of the long side to the diagonal dimension of the screen is in the range of about 7 to 10.
, Preferably in the range of about 7.5 to 8.5 . These ranges represent the optimal design conditions for a cathode ray tube having an aspect ratio of 16 × 9.
【０００９】次の表１は、この発明の範囲内の１６×９
アスペクト比をもったフエースプレート・パネルの各寸
法と比を表す３つの実施例（１〜３）、従来の１６×９
アスペクト比をもったフエースプレート・パネルの各寸
法と比を表す２つの例（４、５）、および通常の４×３
アスペクト比をもった各寸法と比を表す３つの例（６〜
８）を示したものである。The following Table 1 shows a 16 × 9 within the scope of the present invention.
Three examples (1-3) showing each dimension and ratio of a faceplate panel having an aspect ratio, conventional 16 × 9
Two examples (4,5) showing each dimension and ratio of faceplate panel with aspect ratio, and normal 4 × 3
Three examples of dimensions and ratios with aspect ratios (6 to
8).
【００１０】[0010]
【表１】 [Table 1]
【００１１】[0011]
【発明の効果】図３は１６×９アスペクト比をもったフ
エースプレート・パネルの３つの形式の長辺、短辺の各
湾曲状態を示す複合図で、直線の辺３２をもったパネル
と、大きな曲率の辺３４をもった従来技術のパネルと、
小さな曲率の辺３６をもったこの発明による新規なパネ
ルを示す。美的および空間的な観点から言えば、直線で
表される辺３２をもったパネルが最も好ましい。しかし
ながら、直線的な辺３２をもったパネルのストレスは比
較的大きく、従来技術のパネルに比べてパネルの厚みを
相当に厚くする必要があり、それだけ重量が大きくな
る。従来技術のパネルの設計によれば、より薄く軽いガ
ラスを使用することができるが、パネルの各辺の曲率が
大きくなり、より大きなスペースをもったテレビジョン
受像機のキャビネットを必要とし、製品が嵩高になる。
この発明によって構成されたフエースプレート・パネル
を使用すると、受像機のキャビネットのスペースが小さ
くてすみ、また従来のパネルよりも若干軽量になる。こ
の発明による新規なパネルについて行った有限要素計算
法によれば、新規なパネルのガラス内のストレスは従来
技術によるパネルのガラス内のストレスよりも大である
ことを示したが、新規なパネルをその上に設けられた爆
縮保護手段と共に管に組み込んだとき、新規なパネルを
もった陰極線管は従来技術の陰極線管に比して爆縮の可
能性は大きくならないことを示した。FIG. 3 is a composite view showing the curved state of the long side and short side of three types of face plate panels having a 16 × 9 aspect ratio. A prior art panel with sides 34 of large curvature;
Fig. 3 shows a novel panel according to the invention with sides 36 of small curvature. From an aesthetic and spatial point of view, a panel having sides 32 represented by straight lines is most preferred. However, the stress of the panel having the straight side 32 is relatively large, and the thickness of the panel needs to be considerably thicker than that of the prior art panel, and the weight increases accordingly. Prior art panel designs allow for the use of thinner and lighter glass, but the curvature of each side of the panel is larger, requiring a television receiver cabinet with more space, Become bulky.
The use of the faceplate panel constructed in accordance with the present invention requires less space in the receiver cabinet and is slightly lighter than conventional panels. The finite element calculation performed on the new panel according to the present invention showed that the stress in the glass of the new panel was greater than the stress in the glass of the panel according to the prior art. When incorporated in a tube with implosion protection means provided thereon, it has been shown that a cathode ray tube with a novel panel does not increase the likelihood of implosion compared to prior art cathode ray tubes.
【図１】この発明の陰極線管の一実施例のシャドウマス
ク形カラー陰極線管の一部を軸に沿って切断した側面図
である。FIG. 1 is a side view of a portion of a shadow mask type color cathode ray tube according to an embodiment of the cathode ray tube of the present invention cut along an axis.
【図２】図１の陰極線管のフエースプレートの背面の平
面図である。FIG. 2 is a plan view of a back surface of a face plate of the cathode ray tube of FIG. 1;
【図３】直線状側辺と、従来の湾曲した側辺と、この発
明による新規な湾曲側辺とを、フエースプレート・パネ
ルの１つの象限において重ね合わせて一諸に示した図で
ある。FIG. 3 shows a straight side, a conventional curved side, and a novel curved side according to the invention, superimposed in one quadrant of a faceplate panel.
１０ 陰極線管 １２ 長方形フエースプレート・パネル ２２ 長方形観察スクリーン Ｌ 長辺 Ｓ 短辺 Ｘ 長軸 Ｙ 短軸 Reference Signs List 10 cathode ray tube 12 rectangular face plate panel 22 rectangular observation screen L long side S short side X long axis Y short axis
フロントページの続き (72)発明者 パオロ スピナ イタリア国 フエレンチーノ（エツフ エ・エツレ）ビア・トルレ・ノベラーナ 47 (56)参考文献 特開 平１−155787（ＪＰ，Ａ) 実開 昭52−137764（ＪＰ，Ｕ)Continuing from the front page (72) Inventor Paolo Spina Ferencino (Etsue et Elle) Via Torre Novellana, Italy 47 (56) References JP-A-1-155787 (JP, A) JP-A-52-137764 (JP) , U)
Claims (1)
の長さと短辺の長さとの比が約１６／９の長方形のフエ
ースプレート・パネルを具備した陰極線管であって、 上記２つの長辺に平行な長軸および上記２つの短辺に平
行な短軸と、上記フエースプレート・パネルの内面上の
長方形観察スクリーンとを含み、 上記パネルの長辺の上記長軸および短軸を含む面内にお
ける曲率半径は上記観察スクリーンの対角線寸法の約
７．５乃至８．５倍の大きさをもち、上記長辺の曲率半
径と短辺の曲率半径との比は約１．６乃至１．９の範囲
内にある、上記陰極線管。1. A cathode ray tube comprising a rectangular faceplate panel having two long sides and two short sides, wherein the ratio of the long side length to the short side length is about 16/9. A long axis parallel to the two long sides and a short axis parallel to the two short sides, and a rectangular observation screen on the inner surface of the faceplate panel, the long axis of the long side of the panel And the radius of curvature in the plane including the minor axis is about the diagonal dimension of the observation screen.
The cathode ray tube having a size of 7.5 to 8.5 times, wherein a ratio of the radius of curvature of the long side to the radius of curvature of the short side is in a range of about 1.6 to 1.9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20271A/90 | 1990-05-11 | ||
| IT20271A IT1239972B (en) | 1990-05-11 | 1990-05-11 | CATHODE TUBE HAVING A PERFECTED FRONT PANEL PANEL, WITH 16/9 "WIDTH / HEIGHT RATIO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04229534A JPH04229534A (en) | 1992-08-19 |
| JP2611885B2 true JP2611885B2 (en) | 1997-05-21 |
Family
ID=11165319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3135862A Expired - Fee Related JP2611885B2 (en) | 1990-05-11 | 1991-05-10 | Cathode ray tube |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JP2611885B2 (en) |
| KR (1) | KR940010952B1 (en) |
| CN (1) | CN1018968B (en) |
| CA (1) | CA2039822C (en) |
| CS (1) | CS128391A2 (en) |
| CZ (1) | CZ544U1 (en) |
| DE (2) | DE9116705U1 (en) |
| FR (1) | FR2662021B1 (en) |
| GB (1) | GB2243945B (en) |
| IT (1) | IT1239972B (en) |
| PL (1) | PL164198B1 (en) |
| TR (1) | TR25115A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5319280A (en) * | 1991-05-06 | 1994-06-07 | U.S. Philips Corporation | Color picture tube with reduced raster distortion and flat appearing display window |
| TW341711B (en) * | 1996-03-06 | 1998-10-01 | Toshiba Co Ltd | Cathode ray tube and method for manufacturing the same |
| US6011350A (en) * | 1996-04-25 | 2000-01-04 | Thomson Consumer Electronics, Inc. | Color picture tube faceplate panel |
| EP0905742A1 (en) * | 1997-03-14 | 1999-03-31 | Kabushiki Kaisha Toshiba | Color cathode ray tube |
| EP1079412A3 (en) | 1999-08-21 | 2002-11-27 | Schott Glas | Television tube |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146913A (en) * | 1974-10-18 | 1976-04-22 | Matsushita Electric Ind Co Ltd | JIKIKIROKU SAISEISOCHI |
| US4483452A (en) * | 1981-12-07 | 1984-11-20 | Corning Glass Works | Television bulb |
| NL8304181A (en) * | 1983-12-06 | 1985-07-01 | Philips Nv | COLOR IMAGE TUBE. |
| JPH01155787A (en) * | 1987-12-14 | 1989-06-19 | Hitachi Ltd | Television signal receiver |
| IT1239510B (en) * | 1990-03-30 | 1993-11-03 | Videocolor Spa | CATHODE TUBE HAVING A PERFECTED FRONT SHEET, WITH 16/9 "WIDTH / HEIGHT RATIO |
-
1990
- 1990-05-11 IT IT20271A patent/IT1239972B/en active IP Right Grant
-
1991
- 1991-04-04 CA CA002039822A patent/CA2039822C/en not_active Expired - Lifetime
- 1991-04-24 GB GB9108839A patent/GB2243945B/en not_active Expired - Fee Related
- 1991-05-03 CZ CZ1993320U patent/CZ544U1/en unknown
- 1991-05-03 CS CS911283A patent/CS128391A2/en unknown
- 1991-05-04 DE DE9116705U patent/DE9116705U1/en not_active Expired - Lifetime
- 1991-05-04 DE DE4114606A patent/DE4114606A1/en not_active Ceased
- 1991-05-06 TR TR91/0469A patent/TR25115A/en unknown
- 1991-05-06 FR FR9105518A patent/FR2662021B1/en not_active Expired - Fee Related
- 1991-05-08 KR KR1019910007408A patent/KR940010952B1/en not_active IP Right Cessation
- 1991-05-10 PL PL91290205A patent/PL164198B1/en not_active IP Right Cessation
- 1991-05-10 JP JP3135862A patent/JP2611885B2/en not_active Expired - Fee Related
- 1991-05-10 CN CN91103191A patent/CN1018968B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR910020789A (en) | 1991-12-20 |
| GB9108839D0 (en) | 1991-06-12 |
| CZ544U1 (en) | 1993-08-25 |
| PL290205A1 (en) | 1992-01-13 |
| KR940010952B1 (en) | 1994-11-19 |
| DE4114606A1 (en) | 1991-11-21 |
| IT9020271A1 (en) | 1991-11-11 |
| TR25115A (en) | 1992-11-01 |
| PL164198B1 (en) | 1994-06-30 |
| GB2243945A (en) | 1991-11-13 |
| CS128391A2 (en) | 1991-12-17 |
| DE9116705U1 (en) | 1993-09-02 |
| FR2662021A1 (en) | 1991-11-15 |
| IT1239972B (en) | 1993-11-27 |
| FR2662021B1 (en) | 1993-12-10 |
| IT9020271A0 (en) | 1990-05-11 |
| GB2243945B (en) | 1994-05-11 |
| CA2039822C (en) | 2001-11-20 |
| CN1018968B (en) | 1992-11-04 |
| JPH04229534A (en) | 1992-08-19 |
| CN1056601A (en) | 1991-11-27 |
| CA2039822A1 (en) | 1991-11-12 |
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