JPS63143580A - Hologram label - Google Patents
Hologram labelInfo
- Publication number
- JPS63143580A JPS63143580A JP29132186A JP29132186A JPS63143580A JP S63143580 A JPS63143580 A JP S63143580A JP 29132186 A JP29132186 A JP 29132186A JP 29132186 A JP29132186 A JP 29132186A JP S63143580 A JPS63143580 A JP S63143580A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- hologram
- information
- light
- sheet
- 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
- 239000010410 layer Substances 0.000 claims abstract description 48
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 229920002120 photoresistant polymer Polymers 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 238000001579 optical reflectometry Methods 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000002304 perfume Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、光透過性基材上へホログラム情報を貼付し
、ホログラム情報と光透過性基材の背面の情報の両方を
別々にあるいは同時に見ることのできるホログラムラベ
ルに関するものである。[Detailed Description of the Invention] <Industrial Application Field> This invention applies hologram information to a light-transmissive base material, and displays both the hologram information and the information on the back side of the light-transmissive base material, either separately or at the same time. It concerns a visible hologram label.
この発明のラベルの用途としては、化粧品パッケージ・
香水ビン・クレジットカードなど斬新なデザインを要求
されるもの、またはマジックミラー・押し売り防止用透
視ミラーなど機能性と意匠性とを要求されるものに対し
て好適なものである。The label of this invention can be used for cosmetic packaging,
It is suitable for items that require innovative designs, such as perfume bottles and credit cards, or items that require functionality and design, such as magic mirrors and see-through mirrors to prevent pushy sales.
〈従来の技術〉
従来、コーヒーレット光により再生されるホログラムは
多くの研究が行われてきたが、再生装置が高価であるこ
と、再生装置が大掛かりであること、ホログラムの干渉
縞情報自体の作製が困難なことなどの理由により、広く
一般に普及するに至っていない。<Conventional technology> In the past, much research has been conducted on holograms reproduced by coffeelet light, but the reproduction equipment is expensive, the reproduction equipment is large-scale, and the production of the hologram's interference fringe information itself is difficult. It has not become widely popular due to the difficulty of using it.
しかし、最近白色光の元で再生され、コスト面で比較的
安価にでき、しかも一度に多量の複製ができる熱プレス
法によるエンボス方式のレインボーホログラムができる
ようになっている。このレインボーホログラムは、意匠
の目新しさに加え、記録された情報が偽造困難であるな
どの理由により、偽造防止を目的としたホログラムを組
み込んだカードなどの製品が作製されている。この場合
、ホログラム情報の凹凸パターンの下に反射性金属層を
設けて反射型ホログラムとしたものが多いが、これは光
透過性のない基材に設けた場合でも反射性金属層による
反射光でホログラム情報が再生できるためである。However, recently, it has become possible to produce rainbow holograms by embossment using a heat press method, which can be reproduced under white light, is relatively inexpensive, and can be reproduced in large quantities at one time. In addition to the novelty of the rainbow hologram design, the recorded information is difficult to counterfeit, so products such as cards incorporating the hologram are being produced for the purpose of preventing counterfeiting. In this case, a reflective metal layer is often provided under the uneven pattern of the hologram information to create a reflective hologram, but even if it is provided on a non-light-transmitting base material, the light reflected by the reflective metal layer This is because hologram information can be reproduced.
〈発明が解決しようとする問題点〉
しかし、この反射性金属層を設けたレインボーホログラ
ムは、光透過性を有する基材に設けた場合、当然その背
面からの透過光は遮られるため、背面の情報を得ること
ができなかった。<Problems to be solved by the invention> However, when the rainbow hologram provided with this reflective metal layer is provided on a light-transmitting base material, the transmitted light from the back side is naturally blocked. I couldn't get any information.
光透過性のある基材に反射性金属層を有さないエンボス
方式のレインボーホログラムのみを設けることも可能で
あるが、ホログラム情報の再生度が反射性金属層を有す
る場合より低いため一般に行われていない。It is also possible to provide only an embossed rainbow hologram without a reflective metal layer on a light-transmissive base material, but this is generally not done because the degree of reproduction of hologram information is lower than when a reflective metal layer is provided. Not yet.
したがって、この発明は以上のような問題点を解決し、
ラベルに設けられたホログラム情報と光透過性基材の背
面の情報の両方を別々にあるいは同時に見ることのでき
るホログラムラベルを得ることを目的とするものである
。Therefore, this invention solves the above problems and
The object of the present invention is to obtain a hologram label in which both hologram information provided on the label and information on the back side of a light-transmitting substrate can be viewed separately or simultaneously.
〈問題点を解決するための手段〉
上記の目的を達成するために、この発明は次のようにし
た。すなわちこの発明は、光透過性を有する基体シート
上に、ホログラム情報を有するホログラム形成層が設け
られ、この上に金属のハーフ蒸着層が設けられ、さらに
この上に接着層が設けられたホログラムラベルである。<Means for solving the problems> In order to achieve the above object, the present invention was made as follows. That is, the present invention provides a hologram label in which a hologram forming layer having hologram information is provided on a light-transmitting base sheet, a metal half-deposited layer is provided on this, and an adhesive layer is further provided on this. It is.
〈作用〉
この発明は以上のような構成であるのでζハーフ蒸着層
はその前面と背面との明度差により光透過性と光反射性
という二律背反性を呈する。したがって、この発明のホ
ログラムラベルを光透過性基材に貼付したものは、光透
過性基材の背面が前面より暗い場合に、ハーフ蒸着層が
光反射性を呈するのでハーフ蒸着層において入射光が反
射・敗乱し、この上にあるホログラム形成層のホログラ
ム情報が見えることとなる。<Function> Since the present invention has the above-described structure, the ζ half-deposited layer exhibits the antinomy properties of light transmittance and light reflectivity due to the difference in brightness between the front surface and the back surface. Therefore, in the case where the hologram label of the present invention is attached to a light-transmitting substrate, when the back side of the light-transmitting substrate is darker than the front side, the half-deposited layer exhibits light reflectivity, so that the incident light is reflected in the half-deposited layer. The light is reflected and destroyed, and the hologram information in the hologram forming layer above becomes visible.
また逆に、光透過性基材の背面が前面より明るい場合は
ハーフ蒸着層が光透過性を呈し、光透過性基材の背面の
情報を見ることができ、またホログラム情報も同時に見
ることができる。Conversely, if the back side of the light-transmissive substrate is brighter than the front side, the half-deposited layer becomes light-transparent, and information on the back side of the light-transparent substrate can be seen, and hologram information can also be seen at the same time. can.
たとえば、この発明のホログラムラベルをガラス製の香
水ビンに貼付したところ、その表面から光を当てること
により表面のホログラムが美しく表現された。また、こ
れを光にかざすと、香水の液面が見え、また表面のホロ
グラムも同時に見え、液面で錯乱された光と表面のホロ
グラムによる光彩色が重なって見えた。For example, when the hologram label of this invention was attached to a glass perfume bottle, the hologram on the surface was beautifully expressed when light was shone on the surface. Also, when you hold it up to the light, you can see the liquid surface of the perfume and the hologram on the surface at the same time, and the light scattered by the liquid surface and the chromatic glow from the hologram on the surface appear to overlap.
〈実施例〉 図面を参照しながらこの発明をさらに詳しく説明する。<Example> This invention will be explained in more detail with reference to the drawings.
第１図はこの発明のホログラムラベルの一実施例を示す
断面図である。第２図はこの発明のホログラムラベルを
貼付した一実施例を示す断面図である。■は基体シート
、２はホログラム形成層、３はホログラム情報、４はハ
ーフ蒸着層、５は接着層、６は図柄層、７は光透過性基
材である。FIG. 1 is a sectional view showing an embodiment of the hologram label of the present invention. FIG. 2 is a cross-sectional view showing an embodiment of the invention in which a hologram label is attached. 2 is a base sheet, 2 is a hologram forming layer, 3 is hologram information, 4 is a half-deposited layer, 5 is an adhesive layer, 6 is a pattern layer, and 7 is a light-transmitting base material.
基体シート１は、光透過性を存し、下記の各層を構成す
る上で支持体となり、またラベルとして基材に貼りつけ
られた後は表面保護層となるものである。基体シート１
としてはポリエステルフィルム・ポリプロピレンフィル
ムなどのプラスチックフィルムまたはこれらの複合フィ
ルムなどを用いればよい。The base sheet 1 has light transmittance and serves as a support for forming each layer described below, and also serves as a surface protective layer after being attached to a base material as a label. Base sheet 1
As the material, a plastic film such as a polyester film or a polypropylene film, or a composite film thereof may be used.
ホログラム形成層２は、基体シート１に固着するもので
あり、インキ化した樹脂を印刷塗布し、その後の加熱乾
燥または紫外線照射・電子線照射などの手段にて固化さ
れるもので、この樹脂層にホログラム情報３を形成させ
たものである。使用される樹脂としては、塩化ビニル系
樹脂・アクリル系樹脂・スチレン系樹脂などの熱可塑性
樹脂、エポキシ樹脂・ウレタン樹脂・メラミン樹脂など
の熱硬化性樹脂、各種アクリレートよりなる紫外線・電
子線硬化性樹脂などを用いればよい。このホログラム形
成層２にホログラム情報３を形成する。ホログラム情報
３はフォトレジスト法によって形成してもよいが、比較
的安価にでき、しかも一度に多量の複製ができる熱プレ
ス法によるエンボス方式で設けるのがよい。The hologram forming layer 2 is fixed to the base sheet 1, and is formed by printing and coating an ink-formed resin, and then solidifying it by heating and drying or by irradiating ultraviolet rays or electron beams. The hologram information 3 is formed on the hologram. The resins used include thermoplastic resins such as vinyl chloride resins, acrylic resins, and styrene resins, thermosetting resins such as epoxy resins, urethane resins, and melamine resins, and ultraviolet and electron beam curable resins made of various acrylates. Resin or the like may be used. Hologram information 3 is formed on this hologram forming layer 2. The hologram information 3 may be formed by a photoresist method, but it is preferable to provide it by an embossing method using a heat press method, which is relatively inexpensive and can be reproduced in large quantities at one time.
ハーフ蒸着層４は、この発明において最も重要な構成要
件である。ハーフ蒸着層４とは、その前面と背面との明
度差により光透過性と光反射性という二律背反性を呈す
る筑着層のことを意味する。The half-deposited layer 4 is the most important component in this invention. The half-deposited layer 4 refers to a deposition layer that exhibits the antinomy properties of light transmittance and light reflectivity due to the difference in brightness between its front and back surfaces.
このようなハーフ蒸着層４は使用する金属の種類によっ
て異なるが、アルミニウムを用いた場合では膜厚力り５
０〜４００人のもの力くこれに工亥当する。膜厚が５０
人よりも薄い場合は光反射性が十分でなくなり、４００
人を越える場合は光透過性が十分でなくなる。ハーフ蒸
着Ｎ４を設ける方法としては、真空基若法・スパッタリ
ング法・イオンブレーティング法などがある。ハーフ１
着層４は一般的には全面に設けられるが、必ずしもその
態様に限定されることなく、部分的に設けられたもので
あってもよい。Such a half-deposited layer 4 differs depending on the type of metal used, but when aluminum is used, the film thickness is 5.
0 to 400 people will be working hard on this. Film thickness is 50
If it is thinner than a person, the light reflectivity will not be sufficient, and the
If it exceeds a person, the light transmittance will not be sufficient. Methods for providing the half-evaporated N4 include a vacuum base deposition method, a sputtering method, an ion-blating method, and the like. Half 1
Although the deposited layer 4 is generally provided on the entire surface, it is not necessarily limited to this mode, and may be provided partially.
接着層５は、光透過性基材７に上記した各層を感圧また
は感熱により接着させるものである。接着Ｎ５としては
、ハーフ蒸着層４とも接着性のよいものが選ばれるが、
より接着性を向上させるために、接着層５とハーフ蒸着
層４との間にアンカ一層を設けてもよい。接着層５に用
いる樹脂としては、光透過性基材７に接着可能なもので
あり、たとえばアクリル系樹脂・塩化ビニル系樹脂・ウ
レタン系樹脂・ポリエステル系樹脂などがある。The adhesive layer 5 is used to adhere each layer described above to the light-transmitting substrate 7 by pressure or heat sensitivity. As the adhesive N5, one is selected that has good adhesion to the half-deposited layer 4.
In order to further improve the adhesion, a single layer of anchor may be provided between the adhesive layer 5 and the half-deposited layer 4. The resin used for the adhesive layer 5 is one that can be bonded to the light-transmitting substrate 7, and includes, for example, acrylic resin, vinyl chloride resin, urethane resin, polyester resin, and the like.
なお、接着層５として感圧接着剤を用いる場合は、さら
に離型紙を設ける。Note that when a pressure-sensitive adhesive is used as the adhesive layer 5, a release paper is further provided.
図柄層６は、基体シートｌと接着層５との間にあればよ
く、ハーフ蒸着層４の上下で意匠的変化をつけることが
できるものである。材料としては、通常の顔料あるいは
染料をバインダーや添加剤などよりなる着色インキを用
いればよく、またこれが光ｉ３過性を有するものと有さ
ないものとを選択することにより、透過光による意匠に
変化を与えることができる。The pattern layer 6 only needs to be present between the base sheet 1 and the adhesive layer 5, and can provide a design change above and below the half-deposited layer 4. As a material, a colored ink consisting of ordinary pigments or dyes, binders, additives, etc. may be used, and by selecting those with or without photo-i3 transient properties, it is possible to create designs using transmitted light. You can make a difference.
光透過性基材７は、光透過性を有するものであればよ（
、スチロール・塩化ビニル・アクリロニトリルスチレン
・アクリル系樹脂・ポリカーボネートなど、光透過性を
有するプラス千ツクや、ガラスなどを用いるとよい。The light transmitting base material 7 may be any material as long as it has light transmittance (
It is preferable to use optically transparent plastics such as styrene, vinyl chloride, acrylonitrile styrene, acrylic resin, and polycarbonate, or glass.
〈発明の効果〉
この発明は以上説明した構成からなるものであるから、
次のような優れた効果を有するものである。<Effect of the invention> Since this invention consists of the structure explained above,
It has the following excellent effects.
ハーフ蒸着層をホログラムの反射層として構成している
ので、この発明のラベルを貼付した光透過性基材の前面
と背面との明度差によりラベルの有するホログラム情報
と背面の情報との両方を別々にあるいは同時に見ること
ができる。Since the half-deposited layer is configured as a hologram reflective layer, the difference in brightness between the front and back surfaces of the light-transmitting substrate to which the label of the present invention is attached makes it possible to separate both the hologram information of the label and the information on the back surface. Can be viewed separately or at the same time.
また、この発明のラベルをセキュリティの必要な製品に
貼付した場合、ホログラムを偽造することは困難である
で、製品表面の情報確認のみの場合より信頼性を有する
ものである。Furthermore, when the label of the present invention is attached to a product that requires security, it is difficult to forge a hologram, and the label is more reliable than when only information on the product surface is confirmed.
第１図はこの発明のホログラムラベルの一実施例を示す
断面図である。第２図はこの発明のホログラムラベルを
貼付した一実施例を示す断面図である。
■・・・基体シート、２・・・ホログラム形成層、３・
・・ホログラム情報、４・・・ハーフ蒸着層、５・・・
接着層、６・・・図柄層、７・・・光透過性基材。
特許出願人 日本写真印刷株式会社
第２図FIG. 1 is a sectional view showing an embodiment of the hologram label of the present invention. FIG. 2 is a cross-sectional view showing an embodiment of the invention in which a hologram label is attached. ■... Base sheet, 2... Hologram forming layer, 3...
...Hologram information, 4...Half vapor deposition layer, 5...
Adhesive layer, 6... Design layer, 7... Light-transmitting base material. Patent applicant: Nissha Printing Co., Ltd. Figure 2
Claims (2)
ラム情報（３）を有するホログラム形成層（２）が設け
られ、この上に金属のハーフ蒸着層（４）が設けられ、
さらにこの上に接着層（５）が設けられたことを特徴と
するホログラムラベル。(1) A hologram forming layer (2) having hologram information (3) is provided on a light-transmitting base sheet (1), and a metal half-evaporated layer (4) is provided on this,
A hologram label further comprising an adhesive layer (5) provided thereon.
または不透明な図柄層（６）が設けられた特許請求の範
囲第１項に記載のホログラムラベル。(2) The hologram label according to claim 1, wherein a transparent or opaque pattern layer (6) is provided between the base sheet (1) and the adhesive layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29132186A JPS63143580A (en) | 1986-12-05 | 1986-12-05 | Hologram label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29132186A JPS63143580A (en) | 1986-12-05 | 1986-12-05 | Hologram label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63143580A true JPS63143580A (en) | 1988-06-15 |
Family
ID=17767393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29132186A Pending JPS63143580A (en) | 1986-12-05 | 1986-12-05 | Hologram label |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63143580A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0440824A1 (en) * | 1989-08-31 | 1991-08-14 | Dai Nippon Insatsu Kabushiki Kaisha | Hologram calendar |
| JPH0421493U (en) * | 1990-06-14 | 1992-02-24 | ||
| US5223357A (en) * | 1992-02-03 | 1993-06-29 | Signs & Glassworks, Inc. | Promotional display signage and method of manufacture |
| WO1993023796A1 (en) * | 1992-05-14 | 1993-11-25 | Janice Wingeier Bussard | Holographic products with improved seals |
| JPH07199780A (en) * | 1991-11-02 | 1995-08-04 | Dening Yang | Resin-sandwiched light-transmitting glass with holographic lattice effect |
| US5455129A (en) * | 1988-01-25 | 1995-10-03 | Bussard; Janice W. | Holographic products with sealed edges |
| EP0717389A1 (en) * | 1994-12-14 | 1996-06-19 | Plasto S.A. | Tamper-proof identification device |
| WO2000007065A1 (en) * | 1998-07-29 | 2000-02-10 | Matsushita Electric Industrial Co., Ltd. | Scattering display and method for driving the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315665A (en) * | 1979-09-07 | 1982-02-16 | Eidetic Images, Inc. | Composite optical element having controllable light transmission and reflection characteristics |
| JPS612182A (en) * | 1984-06-13 | 1986-01-08 | Nissha Printing Co Ltd | Transfer sheet for reproducing hologramic image and process for reproducing hologramic image on article surface |
| JPS6183571A (en) * | 1984-10-01 | 1986-04-28 | Dainippon Printing Co Ltd | Hologram transfer sheet |
-
1986
- 1986-12-05 JP JP29132186A patent/JPS63143580A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315665A (en) * | 1979-09-07 | 1982-02-16 | Eidetic Images, Inc. | Composite optical element having controllable light transmission and reflection characteristics |
| JPS612182A (en) * | 1984-06-13 | 1986-01-08 | Nissha Printing Co Ltd | Transfer sheet for reproducing hologramic image and process for reproducing hologramic image on article surface |
| JPS6183571A (en) * | 1984-10-01 | 1986-04-28 | Dainippon Printing Co Ltd | Hologram transfer sheet |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455129A (en) * | 1988-01-25 | 1995-10-03 | Bussard; Janice W. | Holographic products with sealed edges |
| EP0440824A1 (en) * | 1989-08-31 | 1991-08-14 | Dai Nippon Insatsu Kabushiki Kaisha | Hologram calendar |
| JPH0421493U (en) * | 1990-06-14 | 1992-02-24 | ||
| JPH07199780A (en) * | 1991-11-02 | 1995-08-04 | Dening Yang | Resin-sandwiched light-transmitting glass with holographic lattice effect |
| US5223357A (en) * | 1992-02-03 | 1993-06-29 | Signs & Glassworks, Inc. | Promotional display signage and method of manufacture |
| WO1993023796A1 (en) * | 1992-05-14 | 1993-11-25 | Janice Wingeier Bussard | Holographic products with improved seals |
| EP0717389A1 (en) * | 1994-12-14 | 1996-06-19 | Plasto S.A. | Tamper-proof identification device |
| FR2728375A1 (en) * | 1994-12-14 | 1996-06-21 | Plasto Sa | INVIOLABLE IDENTIFICATION DEVICE |
| WO2000007065A1 (en) * | 1998-07-29 | 2000-02-10 | Matsushita Electric Industrial Co., Ltd. | Scattering display and method for driving the same |
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