JP3856793B2 - Phosphorescent light storage sheet - Google Patents

Phosphorescent light storage sheet Download PDF

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JP3856793B2
JP3856793B2 JP2004023508A JP2004023508A JP3856793B2 JP 3856793 B2 JP3856793 B2 JP 3856793B2 JP 2004023508 A JP2004023508 A JP 2004023508A JP 2004023508 A JP2004023508 A JP 2004023508A JP 3856793 B2 JP3856793 B2 JP 3856793B2
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phosphorescent
fluorescent lamp
sheet
mounting
annular
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JP2005213433A (en
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康弘 小林
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康弘 小林
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Description

本発明は、主としてガラス管で作られた蛍光灯に装着して地震災害などの際の停電時の明光を蓄光材から発せられる残光で確保すると共に、蛍光灯が破損した際のガラス片の飛散を抑制し得るように構成された蛍光灯装着用蓄光シートに関するものである。 The present invention is attached to a fluorescent lamp mainly made of a glass tube to secure the bright light at the time of a power failure at the time of an earthquake disaster or the like with the afterglow emitted from the phosphorescent material, and the glass piece when the fluorescent lamp is damaged The present invention relates to a fluorescent lamp- mounted phosphorescent sheet configured to be able to suppress scattering.

地震災害時のガラス片の飛散防止と停電時の明光確保のための技術として、熱収縮性を有する合成樹脂材に微粉末の蓄光材を混練して形成したチューブにより、主にガラス管で形成された蛍光灯を被覆する技術が知られている(特開平11−030964号公報などを参照されたい)。
特開平11−030964号公報
As a technology for preventing glass fragments from scattering during earthquake disasters and ensuring bright light during power outages, a tube formed by kneading a fine-grained phosphorescent material into a heat-shrinkable synthetic resin material is mainly used as a glass tube. A technique for covering the fluorescent lamp is known (refer to JP-A-11-030964).
Japanese Patent Laid-Open No. 11-030964

さて、その目的からして、蓄光材の発光時間や輝度はできるだけ大きいことが望ましいが、これらの数値を増大させるには、蓄光材の膜厚を大きくすることが最も簡便かつ有効である。しかしながら、膜厚を増大させると、蛍光灯が発っする光の透過性が低下するので、通常時の照度低下を招く上、蓄光膜を透過する紫外線量が減少して蓄光膜への光エネルギの吸収効率が低下するので、所期の残光輝度を発するのに要する蓄光時間が増大する。   For that purpose, it is desirable that the luminous time and luminance of the phosphorescent material be as large as possible. To increase these values, it is most convenient and effective to increase the film thickness of the phosphorescent material. However, when the film thickness is increased, the transmittance of the light emitted from the fluorescent lamp is lowered, so that the illuminance at the normal time is reduced and the amount of ultraviolet light transmitted through the phosphorescent film is reduced, and the light energy to the phosphorescent film is reduced. Since the absorption efficiency is lowered, the light storage time required to generate the desired afterglow luminance is increased.

また上記の従来技術によると、器具に取り付けたままの状態では蓄光シートを蛍光灯に装着することはできないので、後付けは実質的に不可能であり、特に環状の蛍光灯には全く装着することができない。   Also, according to the above prior art, since the phosphorescent sheet cannot be attached to the fluorescent lamp in the state where it is attached to the fixture, it is practically impossible to attach the fluorescent sheet, particularly to the annular fluorescent lamp. I can't.

本発明は、このような従来技術の問題点を解消すべく案出されたものであり、その第1の目的は、透光性と蓄光性とを高次元に両立し得る蛍光灯装着用蓄光シートを提供することにある。また本発明の第2の目的は、環状の蛍光灯に対する装着性が改善された蛍光灯装着用蓄光シートを提供することにある。 The present invention has been devised in order to solve such problems of the prior art, and a first object thereof is phosphorescence for mounting a fluorescent lamp capable of achieving both high translucency and phosphorescence. To provide a sheet. It is a second object of the present invention to provide a fluorescent light- mounting phosphorescent sheet with improved mounting properties for an annular fluorescent lamp.

このような目的を達成するために本発明の請求項1においては、透明樹脂メディウムに微粉末の蓄光材を混入した蓄光インクを透明なシート材に複数回重ね塗りし、多数の点あるいは線による反復パターンによる蓄光層を形成したことを特徴とする蛍光灯装着用蓄光シートを提供することとした。 In order to achieve such an object, in claim 1 of the present invention, a phosphorescent ink in which a fine powder phosphorescent material is mixed into a transparent resin medium is applied to a transparent sheet material a plurality of times, and a plurality of points or lines are used. It was decided to provide a phosphorescent sheet for mounting a fluorescent lamp, characterized in that a phosphorescent layer having a repetitive pattern was formed.

また本発明の請求項2は、前記蓄光層を、透明なシート材の面に分散配置したことを特徴とするものとした。   According to a second aspect of the present invention, the phosphorescent layer is dispersedly arranged on the surface of a transparent sheet material.

さらに本発明の請求項3においては、当該蛍光灯装着用蓄光シートを環状の蛍光灯に装着する場合は、内周側の断面形状が環状蛍光灯の中心軸に平行な直線状をなし、外周側の断面形状が環状蛍光灯の管面の1/4円周以上の部分に概ね密接する円弧状をなすことを特徴とするものとした。 Furthermore, in claim 3 of the present invention, when the fluorescent lamp mounting phosphorescent sheet is mounted on an annular fluorescent lamp, the inner peripheral cross-sectional shape is a straight line parallel to the central axis of the annular fluorescent lamp, The cross-sectional shape on the side is an arc shape that is generally in close contact with a portion of a tube surface of the annular fluorescent lamp that is ¼ circumference or more.

このような本発明の請求項1によれば、重ね塗りをすることにより、ダレが生じないので点や線のシャープさを損なわずに膜厚を大きくすることができ、点や線の脇からも透過光のエネルギを蓄光層に取り込めるので、比較的短時間に蓄光することができる。特に請求項2によれば、透光面と蓄光面とを交互に分散配置することによって透過光を十分にして点灯時の照度を損なわずに十分な残光輝度を確保することができる。そして断面形状を請求項3のようにすれば、合成樹脂材は伸び方向へは比較的変形し易いので、外周側のみを拡径変形させて環状の蛍光灯にクリップ式に嵌め込むことができるので、環状の蛍光灯への装着性が高められる。   According to the first aspect of the present invention, since the sagging does not occur by overcoating, the film thickness can be increased without impairing the sharpness of the points and lines. Since the energy of the transmitted light can be taken into the light storage layer, the light can be stored in a relatively short time. In particular, according to the second aspect, it is possible to secure sufficient afterglow luminance without damaging the illuminance at the time of lighting by sufficiently distributing and arranging the light transmitting surface and the light storing surface. If the cross-sectional shape is as in claim 3, the synthetic resin material is relatively easily deformed in the extending direction, so that only the outer peripheral side can be expanded and deformed, and can be fitted into the annular fluorescent lamp in a clipped manner. Therefore, the mounting property to the annular fluorescent lamp is improved.

以下に添付の図面を参照して本発明について詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

図1は、本発明による蛍光灯装着用蓄光シートの一例を示している。この蛍光灯装着用蓄光シート1は、特に材質は選ばないが、比較的変形し易い合成樹脂材で形成された細長い透明シート材2の一方の面に、蓄光材層3a・3bを成膜してなっている。蓄光材層3a・3bは、適宜な透明樹脂メディウムに微細粉末からなる蓄光材を混入した蓄光インクをシルク印刷などで透明シート材2の表面に直接塗布して形成されており、1回塗りで約25μm程度の膜厚を同一の印刷パターンで少なくとも2回重ね塗りをして膜厚が50μm以上となるようにされている。このように、重ね塗りをすることにより、ダレを生ずることなく膜厚を大きくすることができる。しかも、透明シート材2を透過する光のエネルギを蓄光材層3a・3bの周囲からも取り込めるので、比較的短時間に蓄光することができる。なお、この膜厚は、実用上は4回程度まで重ね塗りをして100μm以上を得ることができる。また必要に応じて透明シート材2の両面に重ね塗りを施しても良いし、複数の透明シート材2を重ね合わせても良い。 FIG. 1 shows an example of a phosphorescent sheet for mounting a fluorescent lamp according to the present invention. The fluorescent lamp mounting phosphorescent sheet 1 is not particularly limited in material, but the phosphorescent material layers 3a and 3b are formed on one surface of an elongated transparent sheet material 2 formed of a synthetic resin material that is relatively easily deformed. It has become. The phosphorescent material layers 3a and 3b are formed by applying phosphorescent ink, in which a phosphorescent material made of fine powder is mixed with an appropriate transparent resin medium, directly onto the surface of the transparent sheet material 2 by silk printing or the like. A film thickness of about 25 μm is overcoated at least twice with the same print pattern so that the film thickness becomes 50 μm or more. In this way, by overcoating, the film thickness can be increased without causing sagging. And since the energy of the light which permeate | transmits the transparent sheet material 2 can also be taken in from the circumference | surroundings of the luminous material layer 3a * 3b, it can be stored in a comparatively short time. In practice, the film thickness can be overcoated about 4 times to obtain 100 μm or more. Moreover, you may apply | coat on both surfaces of the transparent sheet material 2 as needed, and may overlap several transparent sheet material 2. FIG.

印刷パターンは、図2〜図4に示すように、四角形や円形のドットパターンで蓄光インクが塗布された蓄光部分4と、蓄光インクが塗布されずに白抜きにされた透光部分5とからなり、蓄光部分4と透光部分5とをそれぞれ印刷面の全体に均一に分散配置することにより、透光性と蓄光性との両立を図っている。そしてドットの大きさを適宜に設定することにより、蓄光部分4と透光部分5との面積比を変え、それによって点灯時の照度と消灯時の輝度とを適宜に設定することができるようになっている。   As shown in FIGS. 2 to 4, the print pattern is composed of a phosphorescent portion 4 in which phosphorescent ink is applied in a square or circular dot pattern and a light-transmitting portion 5 that is whitened without being applied with the phosphorescent ink. Thus, the light storing portion 4 and the light transmitting portion 5 are respectively uniformly distributed over the entire printing surface, thereby achieving both the light transmitting property and the light storing property. Then, by appropriately setting the size of the dots, the area ratio between the phosphorescent portion 4 and the translucent portion 5 is changed, so that the illuminance at the time of lighting and the luminance at the time of extinction can be appropriately set. It has become.

なお、印刷パターンは、例示した四角形や円形のドットに限定されず、その他の適宜な形状のドットあるいはストライプや格子模様など、線で構成されたものの反復パターンであっても良いことは言うまでもない。   Needless to say, the print pattern is not limited to the illustrated quadrangular or circular dots, and may be a repetitive pattern composed of lines such as other appropriate shaped dots, stripes, or lattice patterns.

蓄光インクに用いる蓄光材としては、アルカリ土類アルミン酸塩を母体結晶とし、ユウロピウム(Eu)を賦活剤とし、そしてデスプロシウム(Dy)、又はネジウム(Nd)を賦活助剤とした酸化物系蓄光材と、CaS:Bi(紫青色発光)、CaSrS:Bi(青色発光)、ZnS:Cu(緑色発光)、ZnCdS:Cu(黄色〜橙色発光)等の硫化物蛍光体からなる硫化物系蓄光材とが知られているが、これらを適宜に混合することにより、多彩な発光の態様を得ることができる。   As a phosphorescent material used for phosphorescent ink, an oxide-based phosphorescent material using alkaline earth aluminate as a base crystal, europium (Eu) as an activator, and desprosium (Dy) or nedium (Nd) as an activator. A sulfide-based phosphorescent material comprising a material and a sulfide phosphor such as CaS: Bi (purple blue light emission), CaSrS: Bi (blue light emission), ZnS: Cu (green light emission), ZnCdS: Cu (yellow to orange light emission) However, various modes of light emission can be obtained by appropriately mixing them.

さらに、蓄光部分4の印刷パターンに合わせてマークや文字を予め印刷しておくこともできる。このようにすれば、点灯時も消灯時もマークや文字を視認させることができるので、案内標識としての機能性を高めることができる。またドットに合わせて半透明な塗料でマークや文字を印刷すると、蓄光材の発光色と混色するので発色のバリエーションを増やすことができる。   Furthermore, marks and characters can be printed in advance in accordance with the print pattern of the phosphorescent portion 4. In this way, marks and characters can be visually recognized both when the lamp is turned on and when the lamp is turned off, so that the functionality as a guide sign can be enhanced. In addition, if marks and characters are printed with a semi-transparent paint in accordance with the dots, the color of the phosphorescent material is mixed, so that variations in coloring can be increased.

上述した蓄光シート1は、ガラス管からなる蛍光灯6の表面の適宜な管長、あるいは適宜な周長に渡る部分に、直接的にあるいは間接的に当接させて用いられる。図5は、例えば透明な熱収縮チューブからなる保持チューブ7を介して直管状の蛍光灯6に蓄光シート1を装着する態様を示している。   The phosphorescent sheet 1 described above is used in direct or indirect contact with an appropriate tube length on the surface of a fluorescent lamp 6 made of a glass tube or a portion extending over an appropriate circumference. FIG. 5 shows a mode in which the phosphorescent sheet 1 is attached to a straight tubular fluorescent lamp 6 via a holding tube 7 made of a transparent heat shrinkable tube, for example.

図6〜図9は、蛍光灯6の管面に蓄光シート1を直接取り付けられるようにした態様を示している。これらは、弾性に富む合成樹脂材のシートに上述したのと同様なパターンを印刷し、それが蛍光灯6の半円周以上の部分に弾発的に密接するように、蛍光灯6の直径寸法に対応した曲率の円弧面8を適宜な手法で成型したものである。   6 to 9 show a mode in which the phosphorescent sheet 1 can be directly attached to the tube surface of the fluorescent lamp 6. These are printed on the sheet of the synthetic resin material rich in elasticity, and a pattern similar to that described above is printed, and the diameter of the fluorescent lamp 6 is such that it is elastically in close contact with the portion of the fluorescent lamp 6 that is more than a half circumference. A circular arc surface 8 having a curvature corresponding to the dimension is formed by an appropriate method.

図7は、蛍光灯6に係合する円弧面8を有するクリップ部9と、平坦部10とからなるものとしたものである。平坦部10には、上記のパターンの印刷のみならず、マーク(商標や社標など)やシンボルキャラクターなどを印刷することもできる。   FIG. 7 includes a clip portion 9 having an arc surface 8 that engages with the fluorescent lamp 6 and a flat portion 10. The flat portion 10 can be printed not only with the above pattern but also with a mark (trademark, company mark, etc.), a symbol character, or the like.

これらの態様は、直管状の蛍光灯6の全長に渡って装着しても良いし、一部にのみ装着しても良い。   These aspects may be mounted over the entire length of the straight tubular fluorescent lamp 6 or may be mounted only on a part thereof.

図8は、テープ状のものにパターンを印刷した後、スパイラル状に丸まるように成型しておき、適宜に切り取って蛍光灯6の要所に嵌めることができるようにしたものである。これの場合は、その幅を適宜に設定すれば、環状の蛍光灯にも装着することができる。   FIG. 8 shows a pattern in which a pattern is printed on a tape-like material, which is then shaped so as to be rounded in a spiral shape, and can be cut out as appropriate so that it can be fitted into the main part of the fluorescent lamp 6. In this case, if the width is set appropriately, it can be mounted on an annular fluorescent lamp.

図9は、環状の蛍光灯11に装着し易くした蛍光灯装着用蓄光シート12の態様を示している。これはその断面輪郭が、、内周側12aは環状の蛍光灯11の中心軸線に平行する直線状をなし、外周側12bは環状の蛍光灯11の管の断面の1/4以上の円周長に密接するように、環状の蛍光灯11の管径に対応した曲率の円弧面8をなしている。そしてその円周方向長さは、環状の蛍光灯11の電極部分のみを除いた円周長に対応させても良いし、適宜な円周長をカバーできるように切断しても良い。これによれば、合成樹脂材は伸び方向へは比較的変形し易いので、外周側12bのみが拡径変形するようにし、内周側12aは殆ど変形させずに環状の蛍光灯11にクリップ式に嵌め込むことができる。 FIG. 9 shows an aspect of the fluorescent lamp mounting phosphorescent sheet 12 that is easily mounted on the annular fluorescent lamp 11. This is because the cross-sectional contour is such that the inner peripheral side 12a is a straight line parallel to the central axis of the annular fluorescent lamp 11, and the outer peripheral side 12b is a circumference of 1/4 or more of the cross section of the tube of the annular fluorescent lamp 11. An arcuate surface 8 having a curvature corresponding to the tube diameter of the annular fluorescent lamp 11 is formed so as to be in close contact with the length. The circumferential length thereof may correspond to the circumferential length excluding only the electrode portion of the annular fluorescent lamp 11, or may be cut so as to cover an appropriate circumferential length. According to this, since the synthetic resin material is relatively easily deformed in the extending direction, only the outer peripheral side 12b is expanded and deformed, and the inner peripheral side 12a is hardly deformed and is clipped onto the annular fluorescent lamp 11. Can be fitted.

以上の図6〜図9に示した各種態様によれば、器具に取り付けた状態のままの蛍光灯6・11に蛍光灯装着用蓄光シート1・12を装着することができるので、取り扱い状の利便性がより一層高められる。 According to the various aspects shown in FIGS. 6 to 9 described above, since the fluorescent lamp mounting phosphor sheets 1 and 12 can be mounted on the fluorescent lamps 6 and 11 as they are attached to the appliance, Convenience is further enhanced.

尚、以上の各実施形態において、蓄光材層3a・3bの成膜面の向きは特に問われない。   In each of the above embodiments, the direction of the film formation surface of the phosphorescent material layers 3a and 3b is not particularly limited.

本発明による蛍光灯装着用蓄光シートの概念的な要部拡大断面図である。It is a conceptual principal part expanded sectional view of the fluorescent lamp mounting phosphorescent sheet by this invention. 印刷パターンの一例である。It is an example of a printing pattern. 印刷パターンの別例である。It is another example of a printing pattern. 印刷パターンのさらなる別例である。It is a further another example of a printing pattern. 直管状の蛍光灯に蛍光灯装着用蓄光シートを装着する態様の一例を示す斜視図である。It is a perspective view which shows an example of the aspect which mounts | wears with the fluorescent lamp mounting | wearing phosphorescent sheet | seat on a straight tubular fluorescent lamp. 直管状の蛍光灯に蛍光灯装着用蓄光シートを直接装着する態様の一例を示す側面図である。It is a side view which shows an example of the aspect which mounts | wears with the fluorescent lamp mounting phosphorescent sheet | seat directly to a straight tube | pipe fluorescent lamp. 直管状の蛍光灯に蛍光灯装着用蓄光シートを直接装着する態様の別例を示す側面図である。It is a side view which shows another example of the aspect which mounts | wears with the fluorescent lamp mounting phosphorescent sheet | seat directly to a straight tube | pipe fluorescent lamp. 直管状あるいは環状の蛍光灯に蛍光灯装着用蓄光シートを直接装着する態様の一例を示す側面図である。It is a side view which shows an example of the aspect which mounts | wears with the fluorescent lamp mounting | wearing phosphorescent sheet | seat directly to a straight tube | pipe or annular | circular fluorescent lamp. 環状の蛍光灯に蛍光灯装着用蓄光シートを直接装着する態様の一例を示す側面図である。It is a side view which shows an example of the aspect which mounts | wears with the fluorescent lamp mounting phosphorescent sheet | seat directly to a cyclic | annular fluorescent lamp.

符号の説明Explanation of symbols

1 蛍光灯装着用蓄光シート
2 透明シート材
3a・3b 蓄光材層
4 蓄光部分
5 透光部分
6 蛍光灯
7 保持チューブ
8 円弧面
9 クリップ部
10 平坦面
11 環状の蛍光灯
12 蛍光灯装着用蓄光シート

1 fluorescent lamp mounting phosphorescent sheet 2 transparent sheet material 3a · 3b phosphorescent material layer 4 phosphorescent moiety 5 translucent portion 6 fluorescent lamp 7 holding tube 8 arc face 9 clip portion 10 flat surface 11 circular fluorescent lamp 12 Fluorescent mounting phosphorescent Sheet

Claims (3)

透明樹脂メディウムに微粉末の蓄光材を混入した蓄光インクを透明なシート材に塗布して形成した蓄光層を有し、蛍光灯に装着される蛍光灯装着用蓄光シートであって、
前記蓄光層は、前記蓄光インクを複数回重ね塗りして形成された多数の点あるいは線による反復パターンであることを特徴とする蛍光灯装着用蓄光シート。
A phosphorescent lamp mounting phosphorescent sheet to be mounted on a fluorescent lamp, having a phosphorescent layer formed by applying a phosphorescent ink mixed with a transparent resin medium into a transparent sheet medium, which contains a fine powder phosphorescent material,
The phosphorescent sheet for fluorescent lamp mounting , wherein the phosphorescent layer is a repetitive pattern of a large number of dots or lines formed by applying the phosphorescent ink a plurality of times.
前記蓄光層は、前記透明なシート材の面に分散配置されるものであることを特徴とする請求項1に記載の蛍光灯装着用蓄光シート。 The phosphorescent sheet for fluorescent lamp mounting according to claim 1, wherein the phosphorescent layer is distributed on the surface of the transparent sheet material. 当該蓄光シートが環状の蛍光灯に装着されるものであり、内周側の断面形状が環状蛍光灯の中心軸に平行な直線状をなし、外周側の断面形状が環状蛍光灯の管面の1/4円周以上の部分に概ね密接する円弧状をなすことを特徴とする請求項1若しくは2に記載の蛍光灯装着用蓄光シート。 The phosphorescent sheet is attached to an annular fluorescent lamp, the inner circumferential cross-sectional shape is a straight line parallel to the central axis of the annular fluorescent lamp, and the outer circumferential cross-sectional shape is the tube surface of the annular fluorescent lamp. 3. The fluorescent lamp- equipped phosphorescent sheet according to claim 1 or 2, wherein the phosphorescent sheet is mounted in a circular arc shape that is substantially in close contact with a portion having a quarter circumference or more.
JP2004023508A 2004-01-30 2004-01-30 Phosphorescent light storage sheet Expired - Fee Related JP3856793B2 (en)

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