JPS60105160A - Fluorescent lamp - Google Patents
Fluorescent lampInfo
- Publication number
- JPS60105160A JPS60105160A JP21084483A JP21084483A JPS60105160A JP S60105160 A JPS60105160 A JP S60105160A JP 21084483 A JP21084483 A JP 21084483A JP 21084483 A JP21084483 A JP 21084483A JP S60105160 A JPS60105160 A JP S60105160A
- Authority
- JP
- Japan
- Prior art keywords
- film
- alumina
- metal oxide
- phosphor
- silica
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/103—Shields, screens or guides arranged to extend the discharge path
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、螢光ランプに係り、特に、ガラス管と、螢光
体膜との間に、アルミナ（ＡＴＯｓ）膜又はシリカ（Ｓ
ｉＯａ）膜等の金属酸化物膜を備えた螢光ランプにおけ
る螢光体膜の接着強度向上に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a fluorescent lamp, and in particular, an alumina (ATOs) film or a silica (S) film is provided between a glass tube and a phosphor film.
The present invention relates to improving the adhesive strength of a phosphor film in a fluorescent lamp equipped with a metal oxide film such as an iOa film.
通常の螢光ランプは、２つの熱陰極を端部に備え、内面
に、螢光体膜を備えたガラス管からなっている。このよ
うな螢光ランプにおいて、光束劣化率及び、光束維持率
の向上のため、ガラス管と、螢光体膜との間に、アルミ
ナ膜又：は、シリカ膜等の金属酸化物膜を設けることが
ある。ところが、このような螢光ランプでは螢光体膜と
、アルミナあるいはシリカ膜との接着強度が弱く、螢光
体膜が、脱落しやすいという欠点があった。A typical fluorescent lamp consists of a glass tube with two hot cathodes at the ends and a phosphor coating on the inside. In such a fluorescent lamp, a metal oxide film such as an alumina film or a silica film is provided between the glass tube and the phosphor film in order to improve the luminous flux deterioration rate and luminous flux maintenance rate. Sometimes. However, such fluorescent lamps have a drawback in that the adhesive strength between the phosphor film and the alumina or silica film is weak, and the phosphor film easily falls off.
従って、本発明の目的は、螢光体膜と、アルミナ（ｋｔ
２０ａ ） 又は、シリカ（Ｓｉ０２）の膜との接着強
度を向上した螢光ランプを提供することにある。Therefore, it is an object of the present invention to provide a phosphor film and alumina (kt
20a) Another object of the present invention is to provide a fluorescent lamp with improved adhesive strength to a silica (Si02) film.
上記目的を達成するため本発明においては、アルミナ等
の金属酸化物膜中に接着強度増加剤を添加してなること
を特徴としている。In order to achieve the above object, the present invention is characterized in that an adhesive strength increasing agent is added to a metal oxide film such as alumina.
かかる本発明の特徴的な構成によって光束維持率が良く
、かつ、螢光体膜の脱落がない良好な螢光ランプの提供
が可能となった。Due to the characteristic structure of the present invention, it is possible to provide a fluorescent lamp which has a good luminous flux maintenance rate and does not have a phosphor film that falls off.
以下、本発明を図にもとづいて詳述する。 Hereinafter, the present invention will be explained in detail based on the drawings.
はじめに、本発明の原理について述べる。First, the principle of the present invention will be described.
２つの熱陰極と、この熱陰極を端部に備え、内面に螢光
体膜を備えたガラス管と、このガラス管内に、数Ｔｏｒ
ｒの希ガス及び水銀蒸気を封入してなる通常の螢光ラン
プにおいて、ガラス管と螢光体膜との間の接着強度は、
ガラス管と螢光体膜との中間に、アルミナ（Ａｔ２０ｓ
）又は、シリカ（ＳｉＯａ）の膜を設けた時の３〜５倍
である。この接署強度は、ガラス管内面に、螢光体膜等
を設はガラス管上部より、所定高さから、所定の重さの
荷重（例えば、３ｃｒｎの高さから、３ｇの重さの球体
）を落下させ、何回目に、どれだけの大きさ螢光体膜が
脱溶したかで判断する。Two hot cathodes, a glass tube equipped with the hot cathodes at the ends and a phosphor film on the inner surface, and several Tor inside the glass tube.
In a normal fluorescent lamp filled with r rare gas and mercury vapor, the adhesive strength between the glass tube and the phosphor film is:
Alumina (At20s) is placed between the glass tube and the phosphor film.
) or 3 to 5 times that when a silica (SiOa) film is provided. This contact strength is determined by installing a phosphor film or the like on the inner surface of the glass tube and applying a load of a predetermined weight from a predetermined height to the top of the glass tube (for example, from a height of 3 crn, a sphere weighing 3 g. ) is dropped, and judgment is made by how many times and how much of the phosphor film has dissolved.
この接着強度の差の原因を副査するため１われわれは、
電子顕微鏡を用いて、ガラス、アルミナ又は、シリカの
膜、及び、螢光体膜の境界面を観測した結果、次の特徴
的事項が、明らかとなった。In order to sub-investigate the cause of this difference in adhesive strength, we
As a result of observing the interface between the glass, alumina or silica film, and the phosphor film using an electron microscope, the following characteristics became clear.
ガラス面に、形成されている螢光体膜及び、アルミナ又
はシリカの膜は、ガラスに、溶は込んでいる。そして、
アルミナ又は、シリカ膜と、螢光体膜との境界は、溶は
込みはなく、１つの粒子が数十ミリミクロンのため、膜
を形成すると平坦になり、螢光体が、ただ乗っているよ
うｆある。The phosphor film and the alumina or silica film formed on the glass surface are melted into the glass. and,
The boundary between the alumina or silica film and the phosphor film is not infiltrated, and since each particle is several tens of millimeters in size, it becomes flat when the film is formed, and the phosphor is just riding on it. There is such a thing.
上述の溶は込みが、接着強度の重要な要因と考えアルミ
ナ又は、シリカ膜でこの、溶は込みが発生するように、
アルミナ又は、シリカに、無水ホウ酸（＆Ｏａ）又は、
ホウ酸１Ｂ、Ｏｓ 、 Ｐｂ０）を添加し、アルミナ又
は、シリカの膜に、局部的に、溶は込みの発生する部分
を設け、膜強度の向上を計った。無水ホウ酸又は、ホウ
酸鉛は、ガラスに比べ、軟化点（融点）が低いため、溶
は込み面積の少ない分、溶は込む深さにより、補う事が
可能である。The above-mentioned melt penetration is considered to be an important factor for adhesive strength, and as this melt penetration occurs in alumina or silica films,
Alumina or silica, boric anhydride (&Oa) or
Boric acid (1B, Os, Pb0) was added to the alumina or silica film to provide localized areas where penetration would occur to improve the film strength. Since anhydrous boric acid or lead borate has a lower softening point (melting point) than glass, it is possible to compensate for the smaller surface area to be penetrated by increasing the depth of penetration.
次に、本発明の一実施例を第１図を用いて説明する。Next, one embodiment of the present invention will be described using FIG.
第１図において、１８１’は、一対の熱陰極（一方は、
図示せず）％ ２．２／は一対のガラス管、３はガラス
管２．２１内面に設けられたアルミナ又はシリカ膜、４
はガラス管２．２′内面の上記アルミナ又は、シリカ膜
３内面に設けられた螢光体膜、５は外管、６は熱陰極１
．１１及びガラス管２．２′と、外管５を固定するステ
ムである。７．７は内管２．２′の開口である。In FIG. 1, 181' is a pair of hot cathodes (one of which is
(not shown)% 2.2/ is a pair of glass tubes, 3 is an alumina or silica film provided on the inner surface of the glass tube 2.21, 4
is a phosphor film provided on the inner surface of the alumina or silica film 3 on the inner surface of the glass tube 2.2', 5 is the outer tube, and 6 is the hot cathode 1.
．． 11, the glass tube 2.2', and a stem for fixing the outer tube 5. 7.7 is the opening of the inner tube 2.2'.
さらに、外管５内は、数Ｔｏｒｒの希ガス及び水蒸気が
封入されており、内管２，２′と開ロア１７′を通り、
共通の空間となっている。Furthermore, several Torr of rare gas and water vapor are sealed inside the outer tube 5, and pass through the inner tubes 2, 2' and the open lower 17'.
It is a common space.
第１図の螢光ランプにおいて放電は、熱陰極１より、内
管２内を通り、内管２の開ロアから外管６内に出て、再
びもう一方の開ロア′、内管２′を経て、もう一方の電
極１′へと形成される。In the fluorescent lamp of FIG. 1, the discharge flows from the hot cathode 1, through the inner tube 2, out from the open lower part of the inner tube 2 into the outer tube 6, and again from the other open lower part' to the inner tube 2'. Then, the other electrode 1' is formed.
上述の螢光ランプは、内管２．２′の内径は、１２鴫、
内管２．２′の長さの和は、２６０ｍｍ。In the above-mentioned fluorescent lamp, the inner diameter of the inner tube 2.2' is 12 mm.
The sum of the lengths of the inner tubes 2.2' is 260 mm.
外管５は、外径９０ｍ、高さ９５陥である。このように
小形化された螢光ランプでは、管壁負荷が、一般の直管
形、環形螢光ランプに比べ、２〜３倍と太きいため、ア
ルミナ膜及びシリカ膜を備える事が必須要件である。The outer tube 5 has an outer diameter of 90 m and a height of 95 m. In fluorescent lamps that are miniaturized in this way, the load on the tube wall is two to three times greater than that of general straight-tube or ring-shaped fluorescent lamps, so it is essential to have an alumina film and a silica film. It is.
そのため、アルミナ又は、シリカの膜と、螢光体膜との
接着強度を確保する手段として、無水ホウ酸（８２０ｇ
）又は、ホウ酸鉛（Ｂ２０３ 、 Ｐｌｏ）のアルミナ
又はシリカへの添加が、不可欠となる。Therefore, as a means to ensure the adhesive strength between the alumina or silica film and the fluorescent film, boric anhydride (820g
) or the addition of lead borate (B203, Plo) to alumina or silica becomes essential.
ホウ酸を、３重量％添加で、接着強度は、アルミナ又は
、シリカ膜のない時の、約１／２となる。When 3% by weight of boric acid is added, the adhesive strength becomes about 1/2 of that without alumina or silica film.
↑
接着強度は、強くないが、ホウ酸は、融点１８５Ｃと低
く、扱い易いという利点がある。↑ Although the adhesive strength is not strong, boric acid has the advantage of having a low melting point of 185C and being easy to handle.
ホウ酸鉛を、３重量％添加すると、接着強度は、アルミ
ナ又は、シリカがない時と、はぼ同等となるが、融点が
、ガラスの軟化点に近いため、製造装置等の、コストア
ップが発生する。When 3% by weight of lead borate is added, the adhesive strength is almost the same as that without alumina or silica, but the melting point is close to the softening point of glass, which increases the cost of manufacturing equipment, etc. Occur.
本発明によれば、アルミナ、又はシリカ膜中に散在する
、ホウ酸（Ｂ＊（）Ｉ）又は、ホウ酸鉛（ＢｘＯｓＰｂ
Ｏ）に、螢光体を溶は込ませ、アルミナ又はシリカの膜
と、螢光体膜の接着強度を向上する効果がある。According to the present invention, boric acid (B*()I) or lead borate (BxOsPb) is dispersed in an alumina or silica film.
O) has the effect of melting the phosphor into it and improving the adhesive strength between the alumina or silica film and the phosphor film.
第１図は、本発明を適用したー螢光ランプの構造園であ
る。
１．１′・・・熱陰極、２ ＊ ２ ’・・・ガラス管
、３・・・アルミナ又はシリカ膜、４・・・螢光体膜、
５・・・外管、第 １ 口FIG. 1 shows the structure of a fluorescent lamp to which the present invention is applied. 1.1'... Hot cathode, 2*2'... Glass tube, 3... Alumina or silica film, 4... Fluorescent film,
5...Outer tube, first opening
Claims (1)
酸化物膜を備えてなる螢光ランプにおいて、上記螢光体
膜と上記金属酸化物膜との被着強度を増すために上記金
属酸化物膜中に被着強度増加剤を添加してなることを特
徴とする螢光ランプ。 ２、上記増加剤が無水ホウ酸である事を特徴とする特許
請求の範囲第１項記載の螢光ランプ。 ３、上記増加剤が、ホウ酸鉛を主成分とするガラスであ
る事を特徴とする特許請求の範囲第１項記載の螢光ラン
プ。[Claims] 1. AJ! between the glass tube and the phosphor film! In a fluorescent lamp equipped with a metal oxide film such as No. 40a, an adhesion strength increasing agent is added to the metal oxide film in order to increase the adhesion strength between the phosphor film and the metal oxide film. A fluorescent lamp characterized by: 2. The fluorescent lamp according to claim 1, wherein the increaser is boric anhydride. 3. The fluorescent lamp according to claim 1, wherein the increaser is glass containing lead borate as a main component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21084483A JPS60105160A (en) | 1983-11-11 | 1983-11-11 | Fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21084483A JPS60105160A (en) | 1983-11-11 | 1983-11-11 | Fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60105160A true JPS60105160A (en) | 1985-06-10 |
Family
ID=16596046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21084483A Pending JPS60105160A (en) | 1983-11-11 | 1983-11-11 | Fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60105160A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212055A (en) * | 1985-07-10 | 1987-01-21 | Hitachi Ltd | Low pressure mercury vapor discharge lamp |
| JPS62229752A (en) * | 1986-03-31 | 1987-10-08 | Toshiba Corp | Low pressure mercury vapor electric discharge lamp |
| EP1843379A2 (en) * | 2005-12-26 | 2007-10-10 | DMS Co., Ltd. | Composition for forming layer, fluorescent lamp using the composition, and method of manufacturing a fluorescent lamp |
| JP2010153054A (en) * | 2008-12-24 | 2010-07-08 | Ushio Inc | Fluorescent lamp |
| JP2011070780A (en) * | 2009-09-24 | 2011-04-07 | Ushio Inc | Fluorescent lamp |
-
1983
- 1983-11-11 JP JP21084483A patent/JPS60105160A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212055A (en) * | 1985-07-10 | 1987-01-21 | Hitachi Ltd | Low pressure mercury vapor discharge lamp |
| JPS62229752A (en) * | 1986-03-31 | 1987-10-08 | Toshiba Corp | Low pressure mercury vapor electric discharge lamp |
| EP1843379A2 (en) * | 2005-12-26 | 2007-10-10 | DMS Co., Ltd. | Composition for forming layer, fluorescent lamp using the composition, and method of manufacturing a fluorescent lamp |
| EP1843379A3 (en) * | 2005-12-26 | 2008-10-22 | DMS Co., Ltd. | Composition for forming layer, fluorescent lamp using the composition, and method of manufacturing a fluorescent lamp |
| US7741766B2 (en) | 2005-12-26 | 2010-06-22 | Dms Co., Ltd. | Composition for forming layer, fluorescent lamp using the composition, and method of manufacturing a fluorescent lamp |
| JP2010153054A (en) * | 2008-12-24 | 2010-07-08 | Ushio Inc | Fluorescent lamp |
| JP2011070780A (en) * | 2009-09-24 | 2011-04-07 | Ushio Inc | Fluorescent lamp |
| CN102034676A (en) * | 2009-09-24 | 2011-04-27 | 优志旺电机株式会社 | Fluorescent lamp |
| TWI549157B (en) * | 2009-09-24 | 2016-09-11 | Ushio Electric Inc | Fluorescent light |
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