JP2012240241A - Fluorescent display - Google Patents
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Description
本発明は、光照射により表示体の内容が判別できる蛍光表示体および表示ラベルに関するものである。 The present invention relates to a fluorescent display and a display label capable of discriminating the contents of the display by light irradiation.
従来、博物館、美術館、映画館、講演会などのイベント会場やスポーツ会場等の入場や再入場の確認手段として、様々な工夫を懲らした入場券が用いられている。例えば、入場券の一部にミシン目などの加工を施し、本券と半券とに分離できることを利用して、入場時に、ミシン目から半券をもぎ取ることで入場の確認をしている。あるいは、スキー場のリフト権のように、券面に日付を印字して有効日の提示する方法などが行われている。 Conventionally, admission tickets with various ingenuity have been used as means for confirming admission and re-entry at event venues such as museums, art galleries, movie theaters, lectures, and sports venues. For example, a part of the admission ticket is processed with a perforation and the like, and the fact that it can be separated into a main ticket and a stub, the admission is confirmed by removing the stub from the perforation when entering. Alternatively, a method of printing a date on a ticket and presenting an effective date, such as a ski lift right, is performed.
しかしながら、もぎ取るタイプの入場券においては、例えば、再入場の確認方法など管理システムの煩雑さや、運用法方法に問題である。また、スキー場のリフト券のような券面に日付を印字して有効日の提示する方法では、日付の一部を似たような色のペンなどで、日付を書き加えたり消したりする改ざんの問題がある。 However, in the case of a tear-off type admission ticket, for example, there is a problem in the complexity of the management system such as a re-entry confirmation method and the operation method method. In addition, in the method of printing the date on a ticket surface such as a ski lift ticket and presenting the effective date, alteration of adding or erasing the date with a similar color pen etc. There's a problem.
上記の問題に対して、例えば、特許文献１では近紫外線下または可視光線下での真偽判定できる提案がされている。また、特許文献２では蛍光インキで抜き文字印刷を行い、その抜き文字印刷上にパールインキを印刷して真偽を判定する方法が提案がされている。しかしながら、いずれの提案も真偽判定の有効期間を限定することができないなどの問題がある。 For example, Japanese Patent Application Laid-Open No. 2004-228561 proposes a method that can determine the authenticity under near ultraviolet rays or visible rays. Further, Patent Document 2 proposes a method in which letter printing is performed with fluorescent ink, and pearl ink is printed on the letter printing to determine authenticity. However, each proposal has a problem that the validity period of the authenticity determination cannot be limited.
本発明は、前記従来の技術の問題点に鑑みてなされた発明であり、表示体の期間内の再利用のシステムを簡易化するため、また、再利用を防止する方法の一つを提供するもので、物品の利用有効期間が終了した時点で利用可能期間の終了を表示することができる蛍光表示体を提供することを目的とする。 The present invention has been made in view of the above-described problems of the prior art, and provides one of methods for preventing the reuse in order to simplify the system for reusing the display body within the period. Therefore, an object of the present invention is to provide a fluorescent display capable of displaying the end of the usable period at the end of the effective period of use of the article.
本発明は、上記を解決する手段として、請求項１の発明は、基材の片面に、少なくとも耐光性の強い蛍光インキ層、耐光性の弱い蛍光インキ層および蛍光性を呈さないインキ層を形成してなることを特徴とする蛍光表示体である。 As a means for solving the above-mentioned problems, the invention of claim 1 is characterized in that a fluorescent ink layer having high light resistance, a fluorescent ink layer having low light resistance, and an ink layer not exhibiting fluorescence are formed on one side of a substrate. This is a fluorescent display characterized by the above.
また、請求項２の発明は前記耐光性の弱い蛍光インキ層の上面に、前記耐光性の強い蛍光インキ層と前記が蛍光性を呈さないインキ層を順次形成してなることを特徴とする請求項１に記載の蛍光表示体である。 The invention according to claim 2 is characterized in that the fluorescent ink layer having high light resistance and the ink layer not exhibiting fluorescence are sequentially formed on the upper surface of the fluorescent ink layer having low light resistance. Item 2. The fluorescent display according to Item 1.
また、請求項３の発明は、前記耐光性の弱い蛍光インキ層と前記耐光性の強い蛍光インキ層を、前記基材の片側に満遍なく形成し、その上に前記が蛍光性を呈さないインキ層を形成してなることを特徴とする請求項１に記載の蛍光表示体である。 The invention according to claim 3 is the ink layer in which the fluorescent ink layer having low light resistance and the fluorescent ink layer having high light resistance are uniformly formed on one side of the substrate, and the ink layer does not exhibit fluorescence on the one side. The fluorescent display according to claim 1, wherein the fluorescent display is formed.
また、請求項４の発明は、前記耐光性の弱い蛍光インキ層が、２．１５ＭＪ／ｍ２〜８．６１ＭＪ／ｍ２の範囲の放射照度で退色し、且つ、耐光性の強い蛍光インキ層が、２５８ＭＪ／ｍ２以上で退色しない事を特徴とする請求項１〜３のいずれかに記載の蛍光表示体である。 According to a fourth aspect of the present invention, the fluorescent ink layer having a low light resistance is faded at an irradiance in the range of 2.15 MJ / m 2 to 8.61 MJ / m 2 and has a high light resistance. 4. The fluorescent display according to claim 1, wherein the fluorescent display does not fade at 258 MJ / m 2 or more.
また、請求項５の発明は、前記蛍光表示体の表示面側の表面に退色防止層が設けられていることを特徴とする請求項１〜４のいずれかに記載の蛍光表示体である。 The invention according to claim 5 is the fluorescent display according to any one of claims 1 to 4, wherein a fading prevention layer is provided on the surface of the fluorescent display on the display surface side.
また、請求項６の発明は、前記退色防止層が前記蛍光表示体の表示面側の表面にパターン形成されていることを特徴とする請求項５に記載の蛍光表示体である。 The invention according to claim 6 is the fluorescent display according to claim 5, wherein the fading prevention layer is formed in a pattern on the display surface side surface of the fluorescent display.
本発明によると、有効期限のある表示体が、その有効期限を終了した後に再使用されるのを防止することが可能となる。 According to the present invention, it is possible to prevent a display body having an expiration date from being reused after the expiration date.
以下に本発明の実施の形態を詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail.
図１は、本発明の蛍光表示体１１にＵＶライト１３を用いてＵＶ照射した直後（ＵＶ照射初期時）の、目視で確認される表示状態を示している。また、図２は、本発明の蛍光表示体１１が規定ＵＶ照射量を超えた時、すなわち、２．１５ＭＪ／ｍ２〜８．１６ＭＪ／ｍ２の光が照射された後に目視で確認される表示状態を示している。図３および図４は、図２に示すＸ−Ｘ線における蛍光表示体１１の断面概略図を示す。さらに、図５〜図７は、本発明の蛍光表示体１１の一実施例を示す断面概略図を示す。 FIG. 1 shows a display state visually confirmed immediately after UV irradiation using the UV light 13 on the fluorescent display 11 of the present invention (at the initial stage of UV irradiation). Moreover, FIG. 2 is visually confirmed when the fluorescent display 11 of the present invention exceeds the prescribed UV irradiation amount, that is, after the light of 2.15 MJ / m 2 to 8.16 MJ / m 2 is irradiated. The display state is shown. 3 and 4 are schematic cross-sectional views of the fluorescent display 11 taken along the line XX shown in FIG. Furthermore, FIGS. 5-7 shows the cross-sectional schematic which shows one Example of the fluorescent display 11 of this invention.
以下に本発明の蛍光表示体の原理を具体的に説明する。 The principle of the fluorescent display of the present invention will be specifically described below.
本発明の蛍光表示体１１は、使用初期の段階（多くの光を浴びていない状態）では、図１に示す如く、耐光性の弱い蛍光インキ層２３と耐光性の強い蛍光インキ層２１が同じ色の蛍光色からなり、且つ、耐光性の弱い蛍光インキ層２３が退色に至っていないことから、ＵＶ照射すると同一色の蛍光インキが全面に設けられているように視認できる。その後、一定以上の光を浴びることで、耐光性の弱い蛍光インキ層２３のみが退色し、耐光性の強い蛍光インキ層２１が視認されることで、利用可能期間の終了を表示することができる蛍光表示体である。なお、ここで云う使用初期の段階（多くの光を浴びていない状態）とは、通常照明を必要としない倉庫などの保管所や、または遮光容器などに保管された環境状態を意味する。従って、上記蛍光表示体をそのままの状態で通常の遮光ができる保管場所に保管し、使用を開始する時に保管場所から取り出して使用を開始することもできるし、また、図５に示すように、その最表面となる部分に剥離可能な退色防止層５１を設けることにより、該退色防止層５１を剥がした時に、耐光性の弱い蛍光インキ層２３と耐光性の強い蛍光インキ層２１からなる蛍光層全面に初めて光が照射されることで、使用開始時をより精度よく制御することもできる。 In the fluorescent display 11 of the present invention, as shown in FIG. 1, the fluorescent ink layer 23 with low light resistance and the fluorescent ink layer 21 with high light resistance are the same as shown in FIG. Since the fluorescent ink layer 23 composed of fluorescent colors and weak in light resistance has not yet faded, it can be visually recognized that the same color of fluorescent ink is provided on the entire surface when irradiated with UV. Thereafter, only the fluorescent ink layer 23 with low light resistance is faded by being exposed to light above a certain level, and the end of the usable period can be displayed by visually recognizing the fluorescent ink layer 21 with high light resistance. It is a fluorescent display. The initial stage of use (in a state where a lot of light is not exposed) means an environmental state stored in a storage place such as a warehouse that does not normally require lighting, or in a light shielding container. Therefore, the fluorescent display can be stored in a normal storage location where light can be shielded as it is, and can be taken out from the storage location when starting to use, and can be used as shown in FIG. By providing a detachable anti-fading layer 51 on the outermost surface portion, when the anti-fading layer 51 is peeled off, a fluorescent layer comprising a fluorescent ink layer 23 having a low light resistance and a fluorescent ink layer 21 having a high light resistance By irradiating the entire surface with light for the first time, it is possible to control the start of use more accurately.
本発明に係る前記耐光性の弱い蛍光インキ層２３とは、２．１５ＭＪ／ｍ２〜８．６１ＭＪ／ｍ２の範囲内の照度を照射したとき、蛍光発色が弱くなるか、または発色しなくなる蛍光色素を含有するインキ組成物からなる。ただし、この放射照度よりも弱い光で退色しても用途によってはかまわない。ここで、上記の２．１５ＭＪ／ｍ２〜８．６１ＭＪ／ｍ２の範囲内の照度とは、ブルースケール１級以下の耐光性であることを意味する。従って、２．１５ＭＪ／ｍ２未満では、生産工程上で工場内の光を受けて退色するなどの問題があり、本発明の作用効果を満たさない。また、８．１６ＭＪ／ｍ２を超えると、所定の時間で退色しないなどの問題があり、本発明の作用効果を満たさない。なお、ここで云う所定の時間とは、１日〜１週間を意味する。 The fluorescent ink layer 23 having low light resistance according to the present invention has weak or no color development when illuminated with an illuminance within the range of 2.15 MJ / m 2 to 8.61 MJ / m 2. It consists of an ink composition containing a fluorescent dye. However, even if it fades with light weaker than this irradiance, it does not matter depending on the application. Here, the illuminance within the range of 2.15 MJ / m 2 to 8.61 MJ / m 2 means light resistance of blue scale 1 or lower. Therefore, if it is less than 2.15 MJ / m 2 , there is a problem of fading due to light in the factory during the production process, and the effects of the present invention are not satisfied. On the other hand, if it exceeds 8.16 MJ / m 2 , there is a problem that it does not fade in a predetermined time, and the operational effects of the present invention are not satisfied. The predetermined time referred to here means one day to one week.
本発明に係る前記耐光性の強い蛍光インキ層２１とは、２５８ＭＪ／ｍ２以上の光を照射したとき、ほとんど蛍光発色が退色しない蛍光色素を含有するインキ組成物からなる。ここで、上記の２５８ＭＪ／ｍ２以上の範囲の照度とは、ブルースケール６〜７級を意味する。従って、２５８ＭＪ／ｍ２未満であると、年単位で検証を行う必要がある場合、蛍光発色が退色し始めてしまうという問題があり、本発明の作用効果を満たさない。 The strong light-resistant fluorescent ink layer 21 according to the present invention is composed of an ink composition containing a fluorescent dye that hardly fades in color when irradiated with light of 258 MJ / m 2 or more. Here, the illuminance in the range of 258 MJ / m 2 or more means the blue scale 6-7. Therefore, if it is less than 258 MJ / m 2 , there is a problem that the fluorescent coloration starts to fade when verification is required on a yearly basis, which does not satisfy the effects of the present invention.
また、前記耐光性の弱い蛍光インキ層２３は、そのインキ組成物中に含有される蛍光色素を変えることで、用途、有効期限の時間、使用場所など表示したい対象に応じた使い分けが可能である。 Further, the fluorescent ink layer 23 having low light resistance can be selectively used according to the object to be displayed, such as usage, expiration date, and place of use, by changing the fluorescent dye contained in the ink composition. .
本発明の蛍光表示体１１は、一実施例として図３に示すような、基材３１面上に耐光性の弱い蛍光インキ層２３、耐光性の強い蛍光インキ層２１および蛍光性を呈さないインキ層３３を順次積層した構成からなるものであってもよい。 As shown in FIG. 3, the fluorescent display 11 according to the present invention includes a fluorescent ink layer 23 having a low light resistance, a fluorescent ink layer 21 having a high light resistance, and an ink that does not exhibit fluorescence as shown in FIG. It may have a configuration in which the layers 33 are sequentially stacked.
また、一実施例として図４に示すような、基材３１面上に耐光性の弱い蛍光インキ層２３と耐光性の強い蛍光インキ層２１を同一面に満遍なく塗り分け、その上面に前記蛍光性を呈さないインキ層３３を積層した構成からなるものであってもよい。 As an example, as shown in FIG. 4, the fluorescent ink layer 23 with low light resistance and the fluorescent ink layer 21 with high light resistance are uniformly coated on the same surface on the surface of the base material 31, and the fluorescent property is applied on the upper surface thereof. The ink layer 33 may be configured to be laminated.
前記蛍光表示体１１の基材３１には、一般に印刷物に用いられている紙やプラスチックフィルムなど、印刷が可能なものであれば特に限定することなく用いることができる。ただし、蛍光増白剤が含まれない基材の方が、本発明の作用効果を妨げないため望ましい。 The base material 31 of the fluorescent display 11 can be used without particular limitation as long as it can be printed, such as paper or plastic film generally used for printed matter. However, a substrate that does not contain a fluorescent brightening agent is desirable because it does not interfere with the effects of the present invention.
上記の耐光性の弱い蛍光インキ層２３と耐光性の強い蛍光インキ層２１の具体的な実施例としては、例えば、博物館などあまり照明の明るくない場所で使用する場合は、Ｉ＝２．１５ＭＪ／ｍ２で蛍光発色しなくなるインキを用いる事で効果を発揮する。また、直射日光がよく当たるようなスキー場のチケットなどの場合は、Ｉ＝８．６１ＭＪ／ｍ２を用いる事で効果が発揮できる。 As a specific example of the fluorescent ink layer 23 having a low light resistance and the fluorescent ink layer 21 having a high light resistance, for example, when used in a place where the illumination is not so bright such as a museum, I = 2.15 MJ / The effect is demonstrated by using an ink that does not emit fluorescence at m 2 . Further, in the case of a ski resort ticket or the like that is exposed to direct sunlight, the effect can be exhibited by using I = 8.61 MJ / m 2 .
前記蛍光発色の色に関しては、セキュリティを考慮すると緑や赤が好ましいが、その他の色でもかまわず、青色や橙色やピンクなども十分に考えられる。さらに、２．１５ＭＪ／ｍ２≦Ｉｂ≦８．６１ＭＪ／ｍ２の範囲で蛍光発色しなくなる蛍光色素を複数まぜ合わせて使用することも十分に想定される。 Regarding the color of the fluorescent color, green or red is preferable in consideration of security, but other colors may be used, and blue, orange, pink, etc. are sufficiently conceivable. Furthermore, it is sufficiently assumed that a plurality of fluorescent dyes that do not emit fluorescence in the range of 2.15 MJ / m 2 ≦ Ib ≦ 8.61 MJ / m 2 are used in combination.
蛍光発色の色は、前記耐光性の弱い蛍光インキ層２１が退色するまでは、前記耐光性の弱い蛍光インキ層２１と耐光性の強い蛍光インキ層２３との区別が視認されてはならないため、耐光性の弱い蛍光インキ層２３と同じ色でなくてはならない。したがって、耐光性の弱い蛍光インキ層２１の色と合わせるために蛍光体を複数混ぜ合わせてもよい。 Since the fluorescent color is not distinguished from the fluorescent light layer 21 with low light resistance and the fluorescent ink layer 23 with high light resistance until the fluorescent ink layer 21 with low light resistance fades, It must be the same color as the fluorescent ink layer 23 with low light resistance. Therefore, a plurality of phosphors may be mixed in order to match the color of the fluorescent ink layer 21 with low light resistance.
前記蛍光性を呈さないインキ層３３は蛍光表示体１１のデザインや目視で見るための情
報を印刷できればよく、一般的なプロセスインキなどを用いる事ができる。また、文字や図柄を設けられるものであれば、印刷以外の方法を用いることもできる。
The ink layer 33 which does not exhibit the fluorescence need only be able to print the design of the fluorescent display 11 and information for visual observation, and can use general process ink. In addition, any method other than printing can be used as long as it can be provided with characters and designs.
図６に、前記退色防止層５１の構成の一実施例を示す。具体的には、前記退色防止層５１は、退色防止層基材６１の片面上に、剥離層６３、受像層６５および画像形成層６７を順次積層してなる熱転写体を作製する。 FIG. 6 shows an example of the configuration of the fading prevention layer 51. Specifically, the discoloration preventing layer 51 is a thermal transfer member in which a peeling layer 63, an image receiving layer 65, and an image forming layer 67 are sequentially laminated on one surface of a discoloration preventing layer substrate 61.
次に、図７に示すように、蛍光表示体１１の最表面である蛍光性を呈さないインキ層３３に、前記熱転写体の接着層６９を対向させて重ね、サーマルヘッド７１で熱を加え、その後、退色防止層基材６１から剥離することで、サーマルヘッド７１で加熱された部分の退色防止層５１が蛍光表示体１１に転写され、退色防止層５１が形成された蛍光表示体を得ることができる。 Next, as shown in FIG. 7, the adhesive layer 69 of the thermal transfer member is opposed to the ink layer 33 that does not exhibit fluorescence, which is the outermost surface of the fluorescent display 11, and heat is applied by the thermal head 71. Thereafter, peeling from the fading prevention layer substrate 61 transfers the portion of the fading prevention layer 51 heated by the thermal head 71 to the fluorescent display body 11 to obtain a fluorescent display body on which the fading prevention layer 51 is formed. Can do.
前記接着層６９としては、使用時において、剥がしたときに、接着していた下層の蛍光表示体１１の最表面層を痛めることの無い程度の接着力である事が望まれる。例えば、特開昭５０−２７３６号公報、特開昭６１−１４８２７８号公報、特開昭６１−１４８２７９号公報、特開昭６１−２８１１７３号公報、特開昭５９−１５９８６８号公報等に記載されている粘着剤を用いることができる。 It is desirable that the adhesive layer 69 has an adhesive force that does not damage the outermost surface layer of the underlying fluorescent display 11 when it is peeled off during use. For example, it is described in JP-A-50-2736, JP-A-61-148278, JP-A-61-148279, JP-A-61-281173, JP-A-59-159868, and the like. Can be used.
また、前記退色防止層５１は、光を透過しないものであれば限定するものではなく、例えば、光を透過しない程度の隠蔽性を有する着色インキ層や金属箔などが可能であるが、上記以外の遮光層を設けてもかまわない。また、図７に示す熱転写法により、前記退色防止層５１をパターニングすることもできる。 The fading prevention layer 51 is not limited as long as it does not transmit light. For example, a colored ink layer or a metal foil having a concealing property that does not transmit light can be used. A light-shielding layer may be provided. Further, the fading prevention layer 51 can be patterned by the thermal transfer method shown in FIG.
上記のように、本発明の蛍光表示体を用いることにより、ＵＶライトを照射して目視で見たときに、発行から時間がどれだけたっているかを大まかに確認することができ、古い蛍光表示体を再利用することができなくなる。 As described above, by using the fluorescent display of the present invention, it is possible to roughly check how much time has elapsed from the issuance when visually observed by irradiating UV light. Cannot be reused.
下記に、本発明を実施例により具体的に説明する。 Hereinafter, the present invention will be described specifically by way of examples.
基材として、白色系の上質紙（日本製紙社製、坪量：８１．４ｇ／ｍ２、商品名「しらおい」）上に、下記の組成よりなる耐光性の弱いインキ組成物を用いて、サイズ６０×３０ｍｍ、膜厚４μｍのベタ印刷をスクリーン印刷法で行い、６０℃×２分程度の条件下で乾燥させ、退光性の弱いインキ部を成形した。 As a base material, an ink composition having a low light resistance having the following composition is used on white high-quality paper (manufactured by Nippon Paper Industries Co., Ltd., basis weight: 81.4 g / m 2 , trade name “Shiraoi”). Then, solid printing having a size of 60 × 30 mm and a film thickness of 4 μm was performed by a screen printing method, and dried under conditions of about 60 ° C. × 2 minutes to form an ink part having a weak light-repelling property.
［耐光性の弱い蛍光インキ］
ルミライトナノ（赤色蛍光インキ） ２重量部
（シンロイヒ社製）
蒸発乾燥型スクリーン印刷用メジウム ８重量部
（ＳＳ８ ＷＡＣワニス ロ：東洋インキ製造社製）
[Fluorescent ink with low light resistance]
Lumilite nano (red fluorescent ink) 2 parts by weight
(Shinloihi)
Evaporative drying type screen printing medium 8 parts by weight
(SS8 WAC varnish: manufactured by Toyo Ink Manufacturing Co., Ltd.)
次に、前記耐光性の弱い蛍光インキ層の全面上に、下記の組成からなる耐光性の強いインキ組成物を用いて、「×」印パターンをスクリーン印刷法にて印刷し、６０℃×２分程度の条件下で乾燥させ、耐光性の強い蛍光インキ層を形成した。 Next, on the entire surface of the fluorescent light layer having low light resistance, a “×” mark pattern is printed by a screen printing method using a highly light-resistant ink composition having the following composition, and 60 ° C. × 2 It was dried under conditions of about 5 minutes to form a fluorescent ink layer with strong light resistance.
［耐光性の強い蛍光インキ］
無機蛍光顔料Ｄ１１２４（赤色蛍光） ８重量部
（根本特殊社製）
蒸発乾燥型スクリーン印刷用メジウム ８重量部
（ＳＳ８ ＷＡＣワニス ロ：東洋インキ製造社製）
[Fluorescent ink with strong light resistance]
Inorganic fluorescent pigment D1124 (red fluorescent) 8 parts by weight
(Nemoto Special Co., Ltd.)
Evaporation drying type screen printing medium 8 parts by weight (SS8 WAC varnish B: manufactured by Toyo Ink Co., Ltd.)
次に、下記墨インキを用いて、前記耐光性の強い蛍光インキ層を含めて、前記耐光性の弱い蛍光インキ層に、文字を印刷して乾燥させ、蛍光性を呈さないインキ層層を設け、蛍光表示体を得た。 Next, using the following black ink, including the strong light-resistant fluorescent ink layer, the light-insensitive fluorescent ink layer is printed and dried to provide an ink layer that does not exhibit fluorescence. A fluorescent display was obtained.
［墨インキ］
蒸発乾燥型スクリーン印刷用 墨インキ
（ＳＳ８ ９１１墨：東洋インキ製造社製）
[Black ink]
Black ink for evaporative drying screen printing (SS8 911 black: manufactured by Toyo Ink Co., Ltd.)
＜評価結果＞
実施例１で得られた蛍光表示体に、ＵＶライトを照射すると印刷を行った６０×３０ｍｍ角の範囲全面が蛍光発色する下地の上に、黒い文字が印刷されている、図１のような状態が確認することができた。
<Evaluation results>
As shown in FIG. 1, the fluorescent display obtained in Example 1 is printed with a black character on a base on which the entire surface of a 60 × 30 mm square printed with UV light is colored when irradiated with UV light. The condition could be confirmed.
実施例１の蛍光表示体を１２００Ｌｕｘの蛍光灯下に１２時間置いた後、取り出し、ＵＶライトを照射すると、耐光性の強い蛍光灯を塗布した層のみが蛍光発色し、耐光性の弱いインキで塗布したそうは見る事が出来なくなっていたため、図２のように、耐光性の強い蛍光インキのみがのこり、耐光性の強いインキで印刷した「×」印を確認する事が出来た。 When the fluorescent display of Example 1 was placed under a 1200 Lux fluorescent lamp for 12 hours and then taken out and irradiated with UV light, only the layer coated with a strong light-resistant fluorescent lamp developed a fluorescent color, and the ink with low light resistance was used. Since it was not possible to see that it was applied, only the fluorescent ink with strong light resistance remained, as shown in FIG. 2, and the "x" mark printed with the light resistant ink could be confirmed.
１１…蛍光表示体
１３…ＵＶライト
２１…耐光性の強い蛍光インキ層
２３…耐光性の弱い蛍光インキ層
３１…蛍光表示体の基材
３３…蛍光性を呈さないインキ層
５１…退色防止層
６１…退色防止層基材
６３…剥離層
６５…受像層
６７…画像形成層
６９…接着層
７１…サーマルヘッド
７２…熱が加わった部分の表面
11 ... Fluorescent display 13 ... UV light 21 ... Fluorescent ink layer with strong light resistance
DESCRIPTION OF SYMBOLS 23 ... Fluorescent ink layer 31 with weak light resistance ... Base material 33 of fluorescent display body ... Ink layer 51 which does not exhibit fluorescence ... Fading prevention layer 61 ... Fading prevention layer base material 63 ... Release layer 65 ... Image receiving layer 67 ... Image formation Layer 69 ... Adhesive layer 71 ... Thermal head 72 ... Surface of the heated part
Claims (6)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0571792U (en) * | 1992-03-03 | 1993-09-28 | 大日本印刷株式会社 | Time indicator |
| JP2001154585A (en) * | 1999-11-30 | 2001-06-08 | Menuma Denka Kogyo:Kk | Period display member |
| JP2005313343A (en) * | 2004-04-27 | 2005-11-10 | Toppan Printing Co Ltd | Individual information printed matter |
| JP2007130908A (en) * | 2005-11-11 | 2007-05-31 | Toppan Printing Co Ltd | Multilayer printed matter given forgery-preventing measure |
| JP2009220382A (en) * | 2008-03-17 | 2009-10-01 | Dainippon Printing Co Ltd | Card |
-
2011
- 2011-05-17 JP JP2011110146A patent/JP5793953B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0571792U (en) * | 1992-03-03 | 1993-09-28 | 大日本印刷株式会社 | Time indicator |
| JP2001154585A (en) * | 1999-11-30 | 2001-06-08 | Menuma Denka Kogyo:Kk | Period display member |
| JP2005313343A (en) * | 2004-04-27 | 2005-11-10 | Toppan Printing Co Ltd | Individual information printed matter |
| JP2007130908A (en) * | 2005-11-11 | 2007-05-31 | Toppan Printing Co Ltd | Multilayer printed matter given forgery-preventing measure |
| JP2009220382A (en) * | 2008-03-17 | 2009-10-01 | Dainippon Printing Co Ltd | Card |
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