JPS5884142A - Panel glass for cathode-ray tube - Google Patents
Panel glass for cathode-ray tubeInfo
- Publication number
- JPS5884142A JPS5884142A JP18031881A JP18031881A JPS5884142A JP S5884142 A JPS5884142 A JP S5884142A JP 18031881 A JP18031881 A JP 18031881A JP 18031881 A JP18031881 A JP 18031881A JP S5884142 A JPS5884142 A JP S5884142A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- ray tube
- cathode
- panel glass
- zno
- 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
- 239000011521 glass Substances 0.000 title abstract description 65
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000006103 coloring component Substances 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract 3
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 4
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 abstract description 4
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract description 3
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N CuO Inorganic materials [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract 1
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Inorganic materials O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- YEAUATLBSVJFOY-UHFFFAOYSA-N tetraantimony hexaoxide Chemical compound O1[Sb](O2)O[Sb]3O[Sb]1O[Sb]2O3 YEAUATLBSVJFOY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 230000009102 absorption Effects 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 18
- 238000004040 coloring Methods 0.000 description 8
- 238000010894 electron beam technology Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 239000006025 fining agent Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は料定の波長の可視光を選択的に吸収することに
よって輝ルとコントラストを向上させ得るカラーテレビ
ジョン管のパネルガラスに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a panel glass for a color television tube that can improve brightness and contrast by selectively absorbing visible light of a certain wavelength.
カラーテレビジョン管は、周知のように、表面パネルガ
ラスの内面に、３釉の螢光体からなるドツト又はストラ
イプを妃列し、電子線により照射されると、それぞれ、
青（ブルー）、緑（グリーン）及び赤（レッド）の３種
の色を発色する。螢光体のうち特に青及び緑は比÷ダ的
広い−ｉ６色スペクトルを有し、各色の中間で色のニジ
ミを起す傾向があり、コントラストの低下ヲもたらす。As is well known, color television tubes have dots or stripes made of three glazed phosphors arranged on the inner surface of the front panel glass, and when irradiated with an electron beam, each
It emits three colors: blue, green, and red. Among the phosphors, blue and green in particular have a relatively wide -i6 color spectrum and tend to cause color bleeding in the middle of each color, resulting in a decrease in contrast.
従来、コントラストを上り°るためには、パネルガラス
にＮｉｐ、 Ｃｏ３５４の如き鴻−色剤を添加し、ガラ
スを中性色で着色しガラスの可視域の全体の透過率をほ
ぼ一様に低下させていた。しかし、このようなパネルの
場合、外光を吸収することによってコントラストを向上
させうるが、同時に螢光体からの光も吸収するため、映
像の坪度の低下を招く。Conventionally, in order to increase the contrast, a coloring agent such as Nip or Co354 was added to the panel glass to color the glass with a neutral color and reduce the transmittance of the entire visible range of the glass almost uniformly. I was letting it happen. However, in the case of such a panel, although the contrast can be improved by absorbing external light, it also absorbs light from the phosphor, resulting in a decrease in the brightness of the image.
パネルガラス又はパネルの前面に接着されるインプロー
ション板又はパネルの前面に艶聞して配置されるカラス
板に選択的透過性を与え、螢光体の発色スペクトルの中
間部分の光を吸収し、カラーテレビジョンのコントラス
ト及び輝度を同上させる試みは従来より知られている。It gives selective transparency to the panel glass or the implosion plate glued to the front of the panel, or the glass plate placed in gloss on the front of the panel, absorbing light in the middle part of the coloring spectrum of the phosphor, and coloring it. Attempts to increase the contrast and brightness of televisions are known in the art.
Ｐｌｌえば、ＵＳＦ ３，１４３，６８３は、ソーダ石
灰珪酸ガラスにＮｄ ２０ ｇ及びＮｉｐ、 Ｃ００，
Ｓｅを添加し、寸、１に縁と赤の曲の５８０ｍμ附近（
黄色）を吸収するカラーテレビジョン管パネルを提案し
ている。特公昭４５−２１３４２号は、同様の目的で、
Ｎｄ２０ｇを含有したパネル、インプローション板又は
前面ガラス板を提案している。また、西独公告特許１．
２８６．５３９号明細書は、Ｎｄ ２０３又はＤｉｚＯ
ｓ （ＮｄｇＯｍとＰｒｚＯｓの混合物ンを含むＳｉ０
２−ＡＳｉ０２−Ａ１２０３−ＮａｚＯ−ＫｔＯ−〇−
Ｂａ○−８ｂ２０１ガラスからなるカラーテレビジョン
管パネルガラスの組成を示す。Pll USF 3,143,683 Nd 20 g and Nip in soda lime silicate glass, C00,
Se was added, and the area around 580 mμ of the edge and red curve in dimension 1 (
We are proposing a color television tube panel that absorbs yellow light. Special Publication No. 45-21342 has the same purpose,
A panel, implosion plate or front glass plate containing 20g of Nd is proposed. In addition, West German published patent 1.
No. 286.539 specifies that Nd 203 or DizO
s (Si0 containing a mixture of NdgOm and PrzOs)
2-ASi02-A1203-NazO-KtO-〇-
The composition of a color television tube panel glass made of Ba○-8b201 glass is shown.
本発明者は、先に、特願昭５６−４１６６３号において
、 ＮｄｇＯｍやＰｒ２Ｏ３を含有し、緑と赤との中間
の波長の光を選択的に吸収すると共にｘＨ吸収能その他
のカラーテレビジョン管パネルに要求される緒特性を満
足するガラスを提５１％ した。′
Ｎｄｌ Ｏ３を含むガラスは二色性（Ｄｉｃｈｒｏｍｉ
ｓｍ ）を持つことが古くから知られている。即ち、日
光の下でガラスを見ると紫色であるが、日熱電灯下で見
ると鮮紅色に見える。この二色性の故に、Ｎｄ含有ガラ
スをカラーＴＶ管のパネルへの使用する場合の難点とな
っていた。Ｎｄ含有カラスの二色性の理由は、ガラスの
色が色度座標でパープルピンクに近いｘ中０．３．７幸
ｏ、ａ附近にあるために生ずる現象であり、従ってガラ
スの色がこのゾーンから遠ざかれば、この二色性は消失
して行く。The present inventor previously disclosed in Japanese Patent Application No. 56-41663 that a color television tube containing NdgOm and Pr2O3, which selectively absorbs light with a wavelength intermediate between green and red, and has xH absorption ability, etc. The glass that satisfies the characteristics required for panels was achieved by 51%. 'Glass containing NdlO3 is dichroic (Dichromi
sm) has been known for a long time. That is, when the glass is viewed under sunlight, it appears purple, but when viewed under solar heat lamps, it appears bright red. This dichroism has been a problem when using Nd-containing glasses in panels for color TV tubes. The reason for the dichroism of Nd-containing glass is a phenomenon that occurs because the color of the glass is around 0.3.7 o, a in x, which is close to purple-pink in chromaticity coordinates. As you move away from the zone, this dichroism disappears.
Ｎ（ｌ含有ガラスの二色性を抑制するため微量のＣｒ２
Ｑ ａを添加することが知られている（ＳｋａＦｓｋ
ａ Ｒｏｚｈｌｅｄｙ ２０１２１−１２５ （１９４
３）：ＯＡ ３９ ２１８３）。A trace amount of Cr2 is added to suppress the dichroism of the glass containing N
It is known to add Q a (SkaFsk
a Rozhledy 20121-125 (194
3):OA 39 2183).
本発即者はカラーＴＶ管ノくネル用のＮｄ含有ガラスの
二色性を消失させるため、Ｃｒ２０Ｍ以外の添加成分に
ついて検討を行なった結果、ＯｕＯの添加が有効である
ことを見い出した。The present inventor investigated additive components other than Cr20M in order to eliminate the dichroism of Nd-containing glass for color TV tube channels, and found that the addition of OO is effective.
本発明は、以上の知見に基づいて、カラーＴＶ管パネル
に適する選択的吸収性を有し、且つ二°色性の消失せし
めたガラスを提供するものである。しかして、本発明の
陰極線ノくネルガラスは、重儀チ夛示で、本質的に、下
記組成８１０２ ５５〜７０ ％
Ａ１１ｏｓ０．５〜６ ｚ
Ｌｉ２０ ０〜３Ｉ
ＮａｚＯ３〜１０ ＃
に２０ ３〜１０ １
Ｍｇ０Ｏ〜５＃
Ｃａ０ ０〜５ ｌ
５ｒＯＯ〜１１ １
ＢａＯＯ〜１６ ５
Ｐｂ０ ０〜３１
ＺｒＯｚ Ｏ〜８ｓ
ｚｎ０ ０〜１０ Ｉ
’Ｉ’ｌｏｚ Ｏ〜 ＩＩＣθＯｘ
Ｏ〜 １．５１Ｆ
Ｏ〜 １５Ｉ
Ｂｂｚｏｓ Ｏ〜 １１ＡＳ２０３
０〜１ ＃を有し、更に着色成分として
、
ＮｄｘＯｓ ０．１〜５％Ｐｒ２ＣＩ
Ｏ〜３ ｚＮｉＯＯ〜３００ ｐｐｍ
００１１０４ ０〜１００ １Ｃｒ２ｏ３０
〜５００Ｉ
Ｏｕｏ １１００ｐｐ〜１ ＠を含む。Based on the above findings, the present invention provides a glass which has selective absorption properties suitable for color TV tube panels and which has eliminated dichroism. Therefore, the cathode ray tunnel glass of the present invention is manufactured by Shigeki and essentially has the following composition: 8102 55-70% A11os0.5-6z Li200-3I NazO3-10#203-101 Mg0O~5# Ca0 0~5 l 5rOO~11 1 BaOO~16 5 Pb0 0~31 ZrOz O~8s zn0 0~10 I'I'loz O~ IICθOx
O~ 1.51F
O~ 15I Bbzos O~ 11AS203
0 to 1 #, and further contains NdxOs 0.1 to 5% Pr2CI as a coloring component.
O~3 zNiOO~300 ppm 001104 0~100 1Cr2o30
Contains ~500I Ouo 1100pp~1 @.
カラーテレビジョンパネル内面の青色螢光体ｉ ４５０
ｍμ附近に、緑色螢光体は５４０ｍμ附近に、赤色螢
光体は６２７ｍμ附近にそれぞれ発色スペクトルのピー
クを有し、その中間の５５０〜６１０ｍμおよび４６０
〜５３０ｍμの波長領域を選択的に吸収することが望ま
れる。Blue phosphor i450 inside color television panel
green phosphor has a peak of its coloring spectrum around 540 mμ, red phosphor has a peak of its coloring spectrum around 627 mμ, and in between 550 to 610 mμ and 460 mμ.
It is desired to selectively absorb the wavelength range of ~530 mμ.
Ｎ（１２０３は、５７３ ｍｐと５８０ ｍｐに強い吸
収ピークを有し、５１３ｍμ及び５２９ｍμに弱い吸収
ピークを有し、それ以外の領域に強い吸収を有しないの
で、単独で用いる場合には最も軽重しい着色成分である
。ＮｄｊＯ３を０．１〜５チの範囲で添加させることに
よシ、主として黄色部分の波長を吸収し、緑色と赤色と
のコントラストを向上させる。また、吸収の程度は弱い
けれども、青色と緑色の間の波長部分の光も吸収する。N (1203 has strong absorption peaks at 573 mp and 580 mp, weak absorption peaks at 513 mμ and 529 mμ, and no strong absorption in other regions, so it is the lightest and heavyest when used alone. It is a coloring component. By adding NdjO3 in an amount of 0.1 to 5, it mainly absorbs wavelengths in the yellow region and improves the contrast between green and red. Also, although the degree of absorption is weak, , it also absorbs light in the wavelength range between blue and green.
Ｎｄ２Ｏ３の含有は、０．１％で効果があるが、５チを
越える含有は、緑及び赤の輝度の低下をもたらし、好ま
しくない。The content of Nd2O3 is effective at 0.1%, but a content of more than 5% is undesirable because it causes a decrease in the brightness of green and red.
ＮｄｔＯａを工業的に高純贋に得ることは可能であるが
、その他の原料として、デイデイミウム酸化物（Ｄｉｚ
Ｏｓ）と呼ばれる２０〜３０ｗｔ％のＰｒｚ０３ （又
はＰｒ５Ｏ１ｔ ）とＮｄ２Ｏ３との混合岐化物がある
。ＰｒｚＯｓはＮｄ原料には少なからず混入しているこ
ともあシ、４４０ｍμ、４６９ｍμ及び４８１ｍμにや
や強い吸収を有するが、これらの吸収は青色の発光の輝
度を余り低下させないので、ＮｅＬｘＯｓと一緒に用い
ることができる。３チを越えるＰｒｚＯｓの含有は、青
色の発光の輝度を低下させるので好ましくない。Although it is possible to obtain highly pure NdtOa industrially, other raw materials include deidium oxide (Diz
There is a mixed branched product of 20-30 wt% Prz03 (or Pr5O1t) and Nd2O3 called Os). PrzOs has a rather strong absorption at 440 mμ, 469 mμ, and 481 mμ, since it is mixed in the Nd raw material to some extent, but since these absorptions do not reduce the brightness of blue light emission much, it is used together with NeLxOs. be able to. It is not preferable to contain more than 30% of PrzOs because it lowers the brightness of blue light emission.
以上の着色成分の外に、カラーテレビジョンパネルに通
常添加される着色成分として、Ｎ１０゜ｃｏｓｏａを少
量添加してもよい。ＮｉＯは３００ｐｐｍまで、Ｃｏａ
１４は１００ ｐｐｍまで、パネルガラスの透過率の低
下及びＣｕＯ及びＣｒｔ Ｏ３はガラスの二色性の抑制
のため添加される。ＣｕＯは、ガラスの色度座標のＸを
マイナス方向へ移１
動させる色ベクトルを有し、Ｃｒ２Ｏ３はｙをプラス方
向へ動かす色ベクトルを有す。ＣｕＯはＮａ２’ｓ １
チのガラスに対して０６１〜０．５％程度含有させると
ガラスの二色性が殆んど消滅する。０ｒｚＯａの場合は
５０〜１１００ｐｐの添加で有効である。、
次に、本発明ガラスの主要成分の限定の理由を説明する
。In addition to the above-mentioned coloring components, a small amount of N10° cosoa may be added as a coloring component usually added to color television panels. NiO up to 300ppm, Coa
14 is added up to 100 ppm to reduce the transmittance of the panel glass, and CuO and CrtO3 are added to suppress the dichroism of the glass. CuO has a color vector that moves the X of the chromaticity coordinate of the glass in the minus direction, and Cr2O3 has a color vector that moves the y in the plus direction. CuO is Na2's 1
When it is contained in an amount of about 0.61 to 0.5% based on the glass, the dichroism of the glass almost disappears. In the case of 0rzOa, addition of 50 to 1100 pp is effective. Next, the reason for limiting the main components of the glass of the present invention will be explained.
５１０２はガラスのネットワークフォーマ−であり通常
他の成分の残量として定まるが、５ｉｆｔく５５チでは
ガラスの粘度が低下し、かつ化学的耐久性が低下するの
で好ましくない。５ｉＯｚ＞７０チの場合ガラスの粘度
が高Ｃ→過ぎ、熔解成形が困難となる。より好ましくは
５８〜６５チの範囲内にあるべきである。5102 is a glass network former and is usually determined by the remaining amount of other components, but 5ift x 55chi is not preferable because it lowers the viscosity of the glass and lowers its chemical durability. When 5iOz>70H, the viscosity of the glass becomes too high, and melt molding becomes difficult. More preferably it should be within the range of 58-65 inches.
Ａ１２０ｍは０．５〜６チの範囲で含有される。A120m is contained in a range of 0.5 to 6 inches.
Ａ１２０ｍ＜０．５％では、ガラスの耐候性が低下し、
Ａｌ２Ｏ３＞６％ではガラスの粘性が高くカリ過ぎる。When A120m<0.5%, the weather resistance of the glass decreases,
When Al2O3>6%, the glass has a high viscosity and is too caustic.
好ま゛しくは、１〜３チである。Preferably, the number is 1 to 3.
Ｌｉ２Ｏ，ＮａｚＯ，に２０
これらアルカリ金属酸作物はフラックスとして含有され
る。これらＬｉｚＯ，ＮａｚＯ及びに！０は好ましくは
含量で１２〜１８チの範囲で含有される。Ｌｌ−２０は
ガラスの溶解性を向上させる力；３チを越えるとガラス
が失透しやすくなる。Li2O, NazO, etc.20 These alkali metal acid crops are contained as flux. These LizO, NazO and! The content of 0 is preferably in the range of 12 to 18 inches. Ll-20 has the ability to improve the solubility of glass; if it exceeds 3 inches, the glass tends to devitrify.
Ｎａ２Ｏが５チより少ないとき、Ｎ２０が５チより少な
いとき及びＬｉ２Ｏ＋ＮａｚＯ＋ＫｚＯが１２％より少
ないときにはカラスの粘性が高くなり、溶解成形が困難
と々る。他方、Ｎａ２Ｏが１０チを越えるとき、Ｎ２０
が１０％を越えるとき及びＬｉｚＯ＋ＮａｚＯ＋に２０
が１８ａＩｂを越えるときにはガラスの熱膨張係数が高
くなり過ぎ、かつ電子線によって着色しやすくなる。よ
り好ましくはＮａ２Ｏ６〜９．５％、Ｎ２０７〜１０％
である。When Na2O is less than 5%, N20 is less than 5%, and Li2O+NazO+KzO is less than 12%, the viscosity of the glass becomes high and melt molding becomes difficult. On the other hand, when Na2O exceeds 10 cm, N20
exceeds 10% and 20% for LizO+NazO+
When it exceeds 18aIb, the coefficient of thermal expansion of the glass becomes too high, and it becomes easily colored by electron beams. More preferably Na2O6-9.5%, N207-10%
It is.
ＭｇＯ，ｃａ。MgO, ca.
ＭｇＯ及びＣａＯは主としてガラスの粘性曲線を調整す
るため、単独又は複合で５チまでカロえられるが、５チ
を越えると粘性曲線が急峻になるので成形が困難となる
。よ沙好ましくはＭｇ０Ｏ〜３チ、ＣａＯＯ〜３チであ
る。MgO and CaO mainly adjust the viscosity curve of the glass, and can be used alone or in combination up to a maximum of 5 cm. However, if the viscosity curve exceeds 5 cm, the viscosity curve becomes steep and molding becomes difficult. Preferably Mg0O~3CH and CaOO~3CH.
Ｓｒ○はガラスのネットワークモデイファイヤーとして
安定なガラスを得るのに重要であり、かつＸ線吸収能も
高く、好ましくは７チ以上含有されるが、１１％を越え
ると、Ｓｒ８１０ｍの結晶が析出しやすくなり、液相温
度が成形温度を越えるため好ましくない。実用的には８
〜１ｏチの範囲が好ましい。Sr○ is important as a glass network modifier to obtain a stable glass, and also has a high X-ray absorption ability, so it is preferably contained at 7 or more, but if it exceeds 11%, crystals of Sr810m will precipitate. This is not preferable because the liquidus temperature exceeds the molding temperature. Practically 8
A range of 1 to 10 cm is preferable.
ＢａＯも又ネットワークモディファイア−およびガラス
のＸ線吸収性能を高めるため、好ましくは１チ以上含有
されるが、１６％を越えるとガラスが不安定となる。よ
り好ましくは３〜７．チとする。BaO is also preferably contained in an amount of 1 or more in order to improve the network modifier and the X-ray absorption performance of the glass, but if it exceeds 16%, the glass becomes unstable. More preferably 3 to 7. Let's do it.
ｚｒｏ２ｔｊ：、ガラスのＸ線Ｌｆ取性能を高めると共
にガラスの耐候性を高めるため、好ましくは０５％以上
含有される。ＺｒＯ２は電子線による着色を防ぐ作用も
ある。しかし８チを越えるときには、カラスが失透しゃ
すぐなる。好ましくは２〜５％とする。zro2tj: is preferably contained in an amount of 0.5% or more in order to improve the X-ray Lf absorption performance of the glass and the weather resistance of the glass. ZrO2 also has the effect of preventing coloring caused by electron beams. However, when it exceeds 8 inches, the crow becomes easily devitrified. Preferably it is 2 to 5%.
ＺｎＯは、・ガラスの液相線温度を上昇させるこトナく
、ガラスのＸ＆！吸収性能を高めるために１０チまで含
有される。ZnO does not increase the liquidus temperature of the glass, and is Contains up to 10% to improve absorption performance.
ｐｂｏはガラスのＸ線吸収性能を向上させるため含有さ
れうるが、３％を越えるときには電子線による着色が増
大するので不適当である。PBO may be contained in order to improve the X-ray absorption performance of the glass, but if it exceeds 3%, it is unsuitable because coloring by electron beams will increase.
ＳｒＯ，Ｂａｄ、 ＰｂＯ及びＺｎＯはいずれもガラス
のＸ線吸収係数を高めるだめの成分であり、その含有飯
は下記の通りとすることによってパネルカラスに充分な
Ｘ線吸収能を与え得る。即ち、３ Ｐ ｂ Ｏ＋２８
ｒ Ｏ＋２ Ｚ ｒ ０２ ＋Ｂ ａ○＋ＺｎＯ≧２７
％このような含有割合にすることによって、ガラスのＸ
線吸収係数を０．６１で２８ｉ１以上にすることができ
る。SrO, Bad, PbO, and ZnO are all components that increase the X-ray absorption coefficient of the glass, and the glass panel can be given sufficient X-ray absorption ability by containing them as follows. That is, 3 P b O+28
r O+2 Z r 02 +B a○+ZnO≧27
% By setting this content ratio, the X of the glass
With a linear absorption coefficient of 0.61, it is possible to make it 28i1 or more.
ＴｌＯ２はガラスの電子線あるいはｉ線による着色を防
ぐため１％まで含有されうる。１チを越えるとガラスの
光線透過率が低下するので好ましくない。好ましくは、
０．０５〜０．５ ％の範ＨＤとする。TlO2 may be contained up to 1% to prevent the glass from being colored by electron beams or i-rays. If it exceeds 1 inch, the light transmittance of the glass will decrease, which is not preferable. Preferably,
The HD range is 0.05-0.5%.
ＣｅＯ２は電子線に対する着色防止効果を余り持たない
が、Ｘ線および紫外線による着色防止効果が優れておシ
、最低０，０５％の添加が好ましい。好ましくは０．１
〜０．５ ％とする。しかし、１．５チを越えると、ガ
ラスの紫外部での初期透過率が低下するので有害である
。CeO2 does not have much of an effect of preventing coloring from electron beams, but is excellent in preventing coloring from X-rays and ultraviolet rays, and is preferably added in an amount of at least 0.05%. Preferably 0.1
~0.5%. However, if it exceeds 1.5 inches, it is harmful because the initial transmittance of the glass in the ultraviolet region decreases.
ＡｅｚＯｓ、Ｓｂ２０ｇ
これらは、ガラスの清澄剤として、好ましくは含量で０
．２〜０６％加えるとよい。これらは電子線によるブラ
ウニング防止効果も有する。AezOs, Sb 20g These are used as glass fining agents, preferably in a content of 0
．． It is recommended to add 2-06%. These also have the effect of preventing browning caused by electron beams.
しかしながら単独又は合量で１チを越えると電子線、紫
外線およびＸ線によって着色しゃすくなり、またガラス
の初期透過率も低下させるので好ましくない。However, if the amount exceeds 1 inch, either singly or in combination, it is not preferable because it becomes difficult to be colored by electron beams, ultraviolet rays, and X-rays, and also reduces the initial transmittance of the glass.
Ｆは、ガラス熔融のフシックス又は清澄剤として１．５
％以下、好ましくは０〜１．０％の範囲で添加される。F is 1.5 as fusix or fining agent for glass melting
% or less, preferably in the range of 0 to 1.0%.
１．５チを越えるとガラスが失透し沖すくなる。When the temperature exceeds 1.5 inches, the glass becomes devitrified and becomes difficult to open.
以上の成分の外に、ガラスの熔解性の向上のだめ、Ｂ２
０ｇ”、Ｘ、ｗ吸収能向上のため、ＷＯｓ、Ｍｏｏｎ等
を１チ以下程度加えてもよい。また、不純物とし゛て混
入されるＦｅ２ｅｓやＮｄ原料と共に混入される少量の
希土類金属酸化物の含有は差しつかえない。In addition to the above ingredients, B2, which improves the solubility of glass,
In order to improve the absorption capacity of 0g", I can't stand it.
実施例
表に示したＡ１〜５のガラスを、目標組成に従って各成
分原料を白金るつぼに入れ、１４５０℃で熔解した。均
質なガラスを得るため、途中攪拌棒で３０分間攪拌し、
脱泡後、金型に流して試料片を作成した。各ガラスの０
．６Ｘ波長でのＸ１ｖｌＩｌｉ１吸収係数、熱膨張係数
、軟化点は表下段に示される。Ａ Ｉ 、Ａ ２のガラ
スは、ＣｕＯを含まないパネルガラスであり、参考例を
示す。Glasses A1 to A5 shown in the Example Table were melted at 1450° C. by putting raw materials of each component into a platinum crucible according to the target composition. In order to obtain a homogeneous glass, stir for 30 minutes with a stirring rod,
After defoaming, it was poured into a mold to create a sample piece. 0 for each glass
．． The X1vlIli1 absorption coefficient, thermal expansion coefficient, and softening point at 6X wavelength are shown at the bottom of the table. The glasses A I and A 2 are panel glasses that do not contain CuO, and are shown as reference examples.
各ガラスの色度座標における”＋７の数値及び二色性の
状態を示す。The numerical value of "+7" in the chromaticity coordinates of each glass and the state of dichroism are shown.
Claims (1)
５５ 〜７０％Ａｌ２Ｏ３、０，５〜 ６
Ｉ Ｌｉ２ｏ Ｏ〜 ３ＩＮａ２０
３〜１０ＩＫ２０
３〜１０ｊＦＭｇＯＯ〜５Ｉ Ｃａ０ ０〜５１ Ｓｒ０ ０〜１１１Ｂａ０
、 ０ 〜１６ｚｐｂｏ
ｏ 〜 ３ＩｚｒＯ２θ 〜 ８Ｉ ｚｎＯＯ〜１０Ｉ Ｔｉ０２ 、Ｏ〜 １１Ｃｅ０２
０〜１．５１Ｆ
Ｏ〜 １．５Ｉ８１）２０３
０ 〜ＩＩ（但し、３ Ｐ ｂｏ＋２８ ｒ
Ｏ＋２ Ｚ ｒｏ ＊ ＋Ｂａ Ｏ＋ＺｎＯ≧２７％）
を有し、更に着色成分として、Ｎｄ２Ｏ３０，１〜
５ ％ Ｐｒ２Ｏ３０〜 ３ ％ ＮｉＯＯ〜３００ｐｐｍ ＣＯ３０４０〜１００ Ｎ Ｃｒ２Ｏ３０〜５００ ｌ ＣｕＯ１１００ｐｐ〜 １ ％ を宮み、特定の波長の可視光を選択的に吸収すること及
びＮｄ含有によるカラスの二色性を抑制したことを特徴
とする陰極線管パネルカラス。(1) Indication of M amount, essentially the following composition 5i82
55-70% Al2O3, 0.5-6
I Li2o O~ 3INa20
3-10IK20
3~10jFMgOO~5I Ca0 0~51 Sr0 0~111Ba0
, 0 ~ 16zpbo
o ~ 3IzrO2θ ~ 8I znOO ~ 10I Ti02, O ~ 11Ce02
0~1.51F
O ~ 1.5I81) 203
0 to II (however, 3 P bo + 28 r
O+2 Z ro * +Ba O+ZnO≧27%)
and further contains Nd2O30,1~ as a coloring component.
5% Pr2O30~3% NiOO~300ppm CO3040~100N Cr2O30~500 l CuO1100pp~1% to selectively absorb visible light of a specific wavelength and suppress dichroism of crow due to Nd content. A cathode ray tube panel crow characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18031881A JPS5884142A (en) | 1981-11-12 | 1981-11-12 | Panel glass for cathode-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18031881A JPS5884142A (en) | 1981-11-12 | 1981-11-12 | Panel glass for cathode-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5884142A true JPS5884142A (en) | 1983-05-20 |
Family
ID=16081109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18031881A Pending JPS5884142A (en) | 1981-11-12 | 1981-11-12 | Panel glass for cathode-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884142A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3534575A1 (en) * | 1984-09-28 | 1986-04-03 | Hoya Corp., Tokio/Tokyo | Glass for spectacle lenses with increased colour contrast |
| US4599319A (en) * | 1982-12-04 | 1986-07-08 | Schott-Glasswerke | PbO-free glasses for cathode ray tubes having a high protective effect against X-rays while simultaneously having good resistance to acid and stability to radiation |
| US4946622A (en) * | 1983-12-23 | 1990-08-07 | Degussa Aktiengesellschaft | Blue luminescing glasses |
| EP0603933A1 (en) * | 1992-12-14 | 1994-06-29 | N.V. Philips' Gloeilampenfabrieken | Glass composition suitable for use in electric lamps, stem manufactured from this glass composition and fluorescent lamp having a lamp envelope of this glass composition |
| US6103649A (en) * | 1998-07-02 | 2000-08-15 | Samsun Corning Co., Ltd. | High X-ray absorbing panel glass for cathode ray tubes |
| US6956000B2 (en) | 2001-10-30 | 2005-10-18 | Nippon Electric Glass Co., Ltd. | Panel glass for cathode ray tube |
| FR2876094A1 (en) * | 2004-10-04 | 2006-04-07 | Saint Gobain | GLASS SUBSTRATE FOR DISPLAY SCREEN. |
| CN1298012C (en) * | 2002-08-09 | 2007-01-31 | 日本电气硝子株式会社 | Cathod ray tube panel galss |
-
1981
- 1981-11-12 JP JP18031881A patent/JPS5884142A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4599319A (en) * | 1982-12-04 | 1986-07-08 | Schott-Glasswerke | PbO-free glasses for cathode ray tubes having a high protective effect against X-rays while simultaneously having good resistance to acid and stability to radiation |
| US4946622A (en) * | 1983-12-23 | 1990-08-07 | Degussa Aktiengesellschaft | Blue luminescing glasses |
| DE3534575A1 (en) * | 1984-09-28 | 1986-04-03 | Hoya Corp., Tokio/Tokyo | Glass for spectacle lenses with increased colour contrast |
| EP0603933A1 (en) * | 1992-12-14 | 1994-06-29 | N.V. Philips' Gloeilampenfabrieken | Glass composition suitable for use in electric lamps, stem manufactured from this glass composition and fluorescent lamp having a lamp envelope of this glass composition |
| US5470805A (en) * | 1992-12-14 | 1995-11-28 | U.S. Philips Corporation | Glass composition suitable for use in electric lamps, stem manufactured from this glass composition and fluorescent lamp having a lamp envelope of this glass composition |
| US6103649A (en) * | 1998-07-02 | 2000-08-15 | Samsun Corning Co., Ltd. | High X-ray absorbing panel glass for cathode ray tubes |
| US6956000B2 (en) | 2001-10-30 | 2005-10-18 | Nippon Electric Glass Co., Ltd. | Panel glass for cathode ray tube |
| CN1298012C (en) * | 2002-08-09 | 2007-01-31 | 日本电气硝子株式会社 | Cathod ray tube panel galss |
| FR2876094A1 (en) * | 2004-10-04 | 2006-04-07 | Saint Gobain | GLASS SUBSTRATE FOR DISPLAY SCREEN. |
| WO2006037917A1 (en) * | 2004-10-04 | 2006-04-13 | Saint-Gobain Glass France | Glass substrate for viewing display |
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