JP2988751B2 - Decorative film - Google Patents
Decorative filmInfo
- Publication number
- JP2988751B2 JP2988751B2 JP3200392A JP20039291A JP2988751B2 JP 2988751 B2 JP2988751 B2 JP 2988751B2 JP 3200392 A JP3200392 A JP 3200392A JP 20039291 A JP20039291 A JP 20039291A JP 2988751 B2 JP2988751 B2 JP 2988751B2
- Authority
- JP
- Japan
- Prior art keywords
- glass sphere
- glass
- thin film
- decorative film
- support
- 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.)
- Expired - Lifetime
Links
- 239000011521 glass Substances 0.000 claims description 37
- 239000010408 film Substances 0.000 claims description 29
- 239000010409 thin film Substances 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 239000004925 Acrylic resin Substances 0.000 description 8
- 229920000178 Acrylic resin Polymers 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 4
- 229920006267 polyester film Polymers 0.000 description 4
- CBECDWUDYQOTSW-UHFFFAOYSA-N 2-ethylbut-3-enal Chemical compound CCC(C=C)C=O CBECDWUDYQOTSW-UHFFFAOYSA-N 0.000 description 3
- 229920000180 alkyd Polymers 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- JTHNLKXLWOXOQK-UHFFFAOYSA-N n-propyl vinyl ketone Natural products CCCC(=O)C=C JTHNLKXLWOXOQK-UHFFFAOYSA-N 0.000 description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、装飾用フィルムに関
し、更に詳しくは、一定の照射光下、見る角度により色
調が変化するとともに、虹色の分散スペクトル状に美麗
に輝いてみえ、かつ、特定範囲の入射角で入射する照射
光に対しては再帰性反射性能をも有する、看板、交通安
全用器具等の用途に適した装飾用フィルムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative film, and more particularly to a decorative film which, under a constant irradiation light, changes its color tone depending on the viewing angle and looks beautifully rainbow-colored in a dispersion spectrum. The present invention relates to a decorative film that also has a retroreflective performance with respect to irradiation light incident at a specific range of incident angle and is suitable for applications such as signboards and traffic safety equipment.
【０００２】[0002]
【従来の技術】従来の、この種のフィルムとしては、図
４に示すような、ガラス小球２と光反射層３との間に透
明な焦点整合層９を有する再帰性反射シートが知られて
いる。また、装飾フィルムではないが、光反射器とし
て、屈折率が２．０以上の高屈折率ガラス小球を用い、
かつ、ガラス小球の固着バインダーに埋没した球面に直
接反射層を設けたものが知られている(特開昭６１−１
８６９０２号公報)。2. Description of the Related Art As a conventional film of this type, there is known a retroreflective sheet having a transparent focusing layer 9 between a glass sphere 2 and a light reflecting layer 3 as shown in FIG. ing. Also, although not a decorative film, a high-refractive-index glass sphere with a refractive index of 2.0 or more is used as the light reflector,
In addition, there is known a glass sphere in which a reflective layer is provided directly on a spherical surface buried in a fixed binder (Japanese Patent Application Laid-Open No. 61-1 / 1986).
86902).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述の
再帰性反射シートは、照射光線が照射光線と同一方向に
反射され、光源近傍の看者に対してのみ輝いて見えるに
すぎず、色が変化することがなく、交通標識等の用途に
は適しているが、看板等の用途には美感の点で不十分で
あった。また、前述の光反射器は、玉虫色の色調を実現
するためには、いわゆるオープンタイプとしなければな
らず、従って表面保護層を設けることができないので耐
候性に問題があった。しかも、玉虫色の色調といっても
単なる拡散性反射によるものにすぎず、再帰性反射性能
を有していないために、夜間における交通安全の用途に
は使用することができなかった。However, in the above-mentioned retroreflective sheet, the irradiating light is reflected in the same direction as the irradiating light, and only the viewer near the light source appears to shine, and the color changes. It is suitable for applications such as traffic signs, but is not satisfactory for applications such as signboards in terms of aesthetics. In addition, the above-mentioned light reflector must be of the so-called open type in order to realize the iridescent color tone, so that a surface protective layer cannot be provided, so that there is a problem in weather resistance. In addition, the iridescent color is merely a diffuse reflection, and has no retroreflective performance, so that it cannot be used for traffic safety at night.
【０００４】本発明は上述の従来技術の問題点に鑑みな
されたものであり、 １) 一定の照射光下、見る角度によって色調が変化する
とともに、虹色の分散スペクトル状に美麗に輝いてみえ
ること、 ２) 特定範囲の入射角で入射する照射光に対して、再帰
性反射性能を有すること、 ３) 耐候性に優れていること、 のいずれをも満足する装飾用フィルムを提供することを
目的とする。The present invention has been made in view of the above-mentioned problems of the prior art. 1) Under a constant irradiation light, the color tone changes depending on the viewing angle, and it looks beautiful in the rainbow-colored dispersion spectrum. 2) to have a retroreflective performance with respect to irradiation light incident at a specific range of incident angles; 3) to be excellent in weather resistance; and to provide a decorative film that satisfies all of the following. Aim.
【０００５】[0005]
【課題を解決するための手段】上記目的は、本発明の装
飾用フィルム、即ち、支持体、固着バインダーによって
支持体に保持されたガラス小球、および支持体とガラス
小球との間に設けられており、ガラス小球を透過した光
線を反射する反射薄膜を有する装飾フィルムにおいて、
該ガラス小球が、５００μm以下の粒径、および２．０
以上の屈折率を有し、前記固着バインダーへの埋没率が
ガラス小球の粒径の１０〜８０％であり、該反射薄膜
は、支持体上に蒸着によって設けられた金属薄膜であ
り、ガラス小球の粒径の５０％以下の深さを持ったガラ
ス小球と同心楕円状の窪みを有し、該窪みにおいてガラ
ス小球と接触しており、さらに、ガラス小球の露出した
側(表側)に透明保護層を積層してなることを特徴とする
装飾用フィルムによって達成される。SUMMARY OF THE INVENTION The object of the present invention is to provide a decorative film according to the invention, namely a support, glass globules held on a support by a fixing binder, and between the support and the glass globules. In the decorative film having a reflective thin film that reflects the light transmitted through the glass sphere,
The glass spherules have a particle size of 500 μm or less, and 2.0 μm.
It has the above-mentioned refractive index, the burying rate in the fixing binder is 10 to 80% of the particle diameter of the glass sphere, and the reflective thin film is a metal thin film provided on a support by vapor deposition. A glass sphere having a depth of not more than 50% of the particle size of the sphere, having a concentric dent in the sphere, in contact with the glass sphere in the dent, and further on the exposed side of the glass sphere ( This is achieved by a decorative film characterized by laminating a transparent protective layer on the front side).
【０００６】装飾用フィルムを他の材料に貼着しやすく
するために、支持体のガラス小球を保持した側の反対側
(裏側)に、さらに粘着剤層および剥離材層をこの順に積
層してもよい。In order to make it easy to attach the decorative film to another material, the support is opposite to the side holding the glass spheres.
On the (back side), a pressure-sensitive adhesive layer and a release material layer may be further laminated in this order.
【０００７】本発明に係る装飾フィルムに使用する小球
としては、粒径が５００μm以下、例えば３０〜１５０
μmのものが望ましく、特に５０〜１００μmのものが望
ましい。ガラス小球の粒径が３０μmより小さいと虹色
の分散スペクトル効果が小さくなり、一方１５０μmよ
り大きいと効果に比して、コスト高となる。The small spheres used in the decorative film according to the present invention have a particle size of 500 μm or less, for example, 30 to 150 μm.
μm is desirable, and particularly preferably 50 to 100 μm. If the particle size of the glass spherules is smaller than 30 μm, the rainbow-colored dispersion spectrum effect is reduced, while if it is larger than 150 μm, the cost is higher than the effect.
【０００８】ガラス小球の屈折率は、２．０以上である
必要があり、２．０より小さいと虹色の分散スペクトル
効果が小さくなり、かつ、再帰性反射性能が低下する。
なお、ガラス小球の屈折率の上限は、本発明の効果を損
なわない限り特に限定されないが、入手が容易である理
由から、２．５以下が好適である。[0008] The refractive index of the glass sphere must be 2.0 or more. If it is less than 2.0, the rainbow-colored dispersion spectrum effect is reduced and the retroreflective performance is reduced.
The upper limit of the refractive index of the glass sphere is not particularly limited as long as the effects of the present invention are not impaired, but is preferably 2.5 or less because of easy availability.
【０００９】ガラス小球の固着バインダーへの埋没率
は、ガラス小球の粒径の１０〜８０％である必要があ
り、５０％前後(例えば４５〜５５％)が、ガラス小球の
固着性能上および当該フィルムの製造技術上望ましい。The burying rate of the glass spheres in the fixing binder must be 10 to 80% of the particle size of the glass spheres, and about 50% (for example, 45 to 55%) depends on the fixing performance of the glass spheres. This is desirable in view of the above and the production technology of the film.
【００１０】固着バインダーとしては、アクリル樹脂、
ビニルブチラール樹脂、アルキド樹脂、ウレタン樹脂
等、透明性を有する樹脂が使用され、中でもアクリル樹
脂、ビニルブチラール樹脂等が、透明性が高いという理
由から特に望ましい。As the fixing binder, acrylic resin,
Transparent resins such as vinyl butyral resin, alkyd resin and urethane resin are used, and among them, acrylic resin, vinyl butyral resin and the like are particularly desirable because of their high transparency.
【００１１】反射薄膜としては、アルミニウム、クロ
ム、銅、スズ、銀、金等の金属単体およびその化合物や
合金が使用され、中でもアルミニウムが、反射効率、経
済性の面から特に望ましい。反射薄膜の厚みは、少なく
とも２００オングストロームあることが反射性能上望ま
しい。As the reflective thin film, simple metals such as aluminum, chromium, copper, tin, silver, and gold, and compounds and alloys thereof are used. Among them, aluminum is particularly desirable in terms of reflection efficiency and economy. It is desirable for the reflective performance that the thickness of the reflective thin film is at least 200 angstroms.
【００１２】反射薄膜に形成されるガラス小球と同心楕
円状の窪みは、ガラス小球の粒径の５０％以下の深さを
持っていることが必要であり、特に２〜２０％が望まし
い。２％より浅いと、虹色の分散スペクトル効果が小さ
くなり、２０％より深いと再帰性反射性能が低下する。The hollow concentric with the glass sphere formed in the reflective thin film needs to have a depth of 50% or less of the particle diameter of the glass sphere, particularly preferably 2 to 20%. . If it is shallower than 2%, the rainbow-colored dispersion spectrum effect will be small, and if it is deeper than 20%, the retroreflective performance will be reduced.
【００１３】透明保護層としては、アクリル樹脂、フッ
素樹脂、アルキド樹脂、ウレタン樹脂、オレフィン系樹
脂等が使用され、中でもアクリル樹脂、アルキド樹脂等
が、耐候性の面から特に望ましい。As the transparent protective layer, acrylic resin, fluororesin, alkyd resin, urethane resin, olefin resin and the like are used. Among them, acrylic resin, alkyd resin and the like are particularly desirable from the viewpoint of weather resistance.
【００１４】支持体としては、エポキシ樹脂、ウレタン
樹脂、ポリエステル樹脂、アクリル樹脂等が使用され、
中でもエポキシ樹脂、ウレタン樹脂等が、金属との密着
性および柔軟性の面から特に望ましい。As the support, epoxy resin, urethane resin, polyester resin, acrylic resin and the like are used.
Among them, epoxy resin, urethane resin and the like are particularly desirable from the viewpoint of adhesion to metal and flexibility.
【００１５】[0015]
【作用】本発明に係る装飾フィルムが、一定の照射光
下、見る角度によって色調が変化するとともに、虹色の
分散スペクトル状に美麗に輝いてみえ、かつ、特定範囲
の入射角で入射する照射光に対しては再帰性反射性能を
も有する理由を、添付図面を参照して説明する。According to the present invention, the decorative film according to the present invention, under a constant irradiation light, changes its color tone depending on the viewing angle, shines beautifully in a rainbow-colored dispersion spectrum, and is incident at a specific range of incident angles. The reason for having the retroreflective performance with respect to light will be described with reference to the accompanying drawings.
【００１６】図２に示すように、装飾フィルム面に対し
３０〜８０度の角度で入射する照射光は、透明な保護層
６、高屈折率のガラス小球２および固着バインダー１
(図１参照)中を屈折しながら透過し、ガラス小球に接触
していない反射薄膜の窪みの定点で反射し、さらに、固
着バインダー、高屈折率ガラス小球および保護層を逆に
屈折しながら看者の視覚に到達する。これは再帰性反射
の原理に基づくものである。As shown in FIG. 2, the irradiation light entering the decorative film surface at an angle of 30 to 80 degrees is made of a transparent protective layer 6, a high refractive index glass sphere 2, and a fixed binder 1.
(Refer to FIG. 1) The light is transmitted while being refracted in the inside, is reflected at a fixed point of the depression of the reflective thin film not in contact with the glass sphere, and further refracts the fixed binder, the high-refractive-index glass sphere and the protective layer. While reaching the viewer's vision. This is based on the principle of retroreflection.
【００１７】また、図３に示すように、ガラス小球に接
触している反射薄膜の窪みの定点において反射した照射
光は分光し、分散スペクトルを発生するため、虹色に輝
くように見えることになる。Further, as shown in FIG. 3, the irradiation light reflected at a fixed point of the depression of the reflection thin film in contact with the glass sphere is dispersed and generates a dispersion spectrum, so that it appears to be rainbow-colored. become.
【００１８】[0018]
【実施例】以下、添付の図１を参照して本発明に係る装
飾用フィルムを詳細に説明する。実施例１ 厚さ５０μmのポリエステルフィルムの上に、支持体５
として１０〜１５μmの乾燥厚みになるようにエポキシ
樹脂を塗布し、その上に厚さ約５００オングストローム
のアルミニウム薄層を蒸着して反射薄膜３を形成した。
その上面に固着バインダー１としてビニルブチラール樹
脂を、厚みが３０〜４０μmとなるように塗布し、半乾
燥の状態で屈折率２．２５、粒径５０〜１００μmのガ
ラス小球２を均一に５０％の埋没率で埋没させた。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A decorative film according to the present invention will be described below in detail with reference to FIG. Example 1 A support 5 was placed on a polyester film having a thickness of 50 μm.
An epoxy resin was applied to a dry thickness of 10 to 15 μm, and a thin aluminum layer having a thickness of about 500 Å was deposited thereon to form a reflective thin film 3.
A vinyl butyral resin as a binder 1 is applied on the upper surface so as to have a thickness of 30 to 40 μm, and a glass sphere 2 having a refractive index of 2.25 and a particle size of 50 to 100 μm in a semi-dried state is uniformly 50%. The burial rate was buried.
【００１９】さらに、その上に、透明保護層６として７
５μmの厚さのアクリル樹脂フィルムを熱融着により積
層した。その際、３kg／cm2の圧力を加えることによっ
てガラス小球と接触する部分の反射薄膜を押圧し、反射
薄膜にガラス小球と同心楕円状であって、幅が６０〜１
２０μm、深さが５〜１０μmの窪み４を形成させた。Further, a transparent protective layer 6 is formed on the
An acrylic resin film having a thickness of 5 μm was laminated by heat fusion. At this time, a pressure of 3 kg / cm 2 is applied to press the reflective thin film in a portion in contact with the glass sphere, and the reflective thin film has a concentric elliptical shape with the glass sphere and a width of 60 to 1.
A depression 4 having a thickness of 20 μm and a depth of 5 to 10 μm was formed.
【００２０】次に、前記ポリエステルフィルムを剥離
し、該剥離面にアクリル系粘着剤７と剥離材８とを積層
して装飾用フィルムを作成した。Next, the polyester film was peeled off, and an acrylic pressure-sensitive adhesive 7 and a release material 8 were laminated on the peeled surface to prepare a decorative film.
【００２１】実施例２ 厚さ５０μmのポリエステルフィルムの上に、支持体５
として１０〜１５μmの乾燥厚みとなるようにウレタン
樹脂を塗布し、その上に厚さ約５００オングストローム
のアルミニウム薄層を蒸着して反射薄膜３を形成した。
その上面に固着バインダー１としてアクリル樹脂を、厚
みが３０〜４０μmとなるように塗布し、半乾燥の状態
で屈折率２．２５、粒径５０〜１００μmのガラス小球
２を均一に５０％の埋没率で埋没させた。 Example 2 A support 5 was placed on a polyester film having a thickness of 50 μm.
A reflective thin film 3 was formed by applying a urethane resin so as to have a dry thickness of 10 to 15 μm, and depositing a thin aluminum layer having a thickness of about 500 angstroms thereon.
Acrylic resin is applied as a binder 1 to the upper surface so as to have a thickness of 30 to 40 μm. It was buried at the burial rate.
【００２２】その上に、透明保護層６として５０μの厚
さのコロナ処理されたフッ素樹脂フィルムを熱融着によ
り積層した。その際、３kg／cm2の圧力を加えることに
よって、ガラス小球と接触する部分の反射薄膜を押圧
し、反射薄膜に、ガラス小球と同心楕円状であって、幅
が６０〜１２０μm、深さが５〜１０μmの窪み４を形成
させた。On top of this, a 50 μm thick corona-treated fluororesin film as a transparent protective layer 6 was laminated by heat fusion. At this time, by applying a pressure of 3 kg / cm 2 , the reflective thin film in a portion in contact with the glass sphere is pressed, and the reflective thin film is concentrically elliptical with the glass sphere, has a width of 60 to 120 μm, and has a depth of 60 to 120 μm. A depression 4 having a thickness of 5 to 10 μm was formed.
【００２３】次に、前記ポリエステルフィルムを剥離
し、該剥離面上にアクリル系樹脂粘着剤７と剥離材８と
を積層して装飾用フィルムを形成した。Next, the polyester film was peeled off, and an acrylic resin adhesive 7 and a release material 8 were laminated on the peeled surface to form a decorative film.
【００２４】[0024]
【発明の効果】以上説明したように、本発明に係る装飾
用フィルムは一定の照射光下、見る角度によって色調が
変化するとともに、虹色の分散スペクトル状に美麗に輝
いてみえるので、各種看板、建築物の内装、外装、さら
に、自動車用品の装飾などに使用した場合、その外観
に、これまでの装飾フィルムでは得られなかった深みの
ある立体感を付与することができる。特に円筒状等の曲
面を有する看板等にその効果は顕著に発揮される。As described above, the decorative film according to the present invention, under a constant irradiation light, changes its color tone depending on the viewing angle, and looks beautifully shining in a rainbow-colored dispersion spectrum. When used in the interior and exterior of buildings, as well as in the decoration of automotive supplies, the appearance can be given a deep stereoscopic effect that has not been obtained with conventional decorative films. In particular, the effect is remarkably exerted on a signboard having a curved surface such as a cylindrical shape.
【００２５】また、特定範囲の入射角で入射した照射光
に対しては、再帰性反射性能をも有するため夜間におけ
る交通安全の用途にも単独で使用することができるとと
もに、昼間は色調が変化し美麗に見え、かつ、夜間は視
認性が向上するという異なった機能を有する看板等とし
て使用することもできる。この場合も、円筒状等の曲面
を有する看板等に使用するならば、あらゆる入射角度に
対して再帰性反射を実現することができ、顕著な効果を
発揮する。Also, it has a retroreflective performance with respect to irradiation light incident at a specific range of incident angles, so that it can be used alone for traffic safety at night, and its color tone changes during the day. It can be used as a signboard or the like having a different function that looks beautiful and has improved visibility at night. Also in this case, if it is used for a signboard having a curved surface such as a cylindrical shape, retroreflection can be realized at any incident angle, and a remarkable effect is exhibited.
【００２６】さらに、透明保護層を有するため、優れた
耐候性を合わせ持つという効果を発揮する。Further, since the transparent protective layer is provided, an effect of having excellent weather resistance is exhibited.
【図１】 本発明に係る装飾用フィルムの一実施例の概
略断面図。FIG. 1 is a schematic sectional view of one embodiment of a decorative film according to the present invention.
【図２】 本発明に係る装飾用フィルムの作用(入射光
線の屈折および反射光路)を説明する概略説明図。FIG. 2 is a schematic explanatory view for explaining the operation (reflection and reflection optical path of incident light) of the decorative film according to the present invention.
【図３】 本発明に係る装飾用フィルムの作用(入射光
線の屈折および反射光路)を説明する概略説明図。FIG. 3 is a schematic explanatory view for explaining the function (reflection of an incident light ray and a reflected light path) of the decorative film according to the present invention.
【図４】 従来の装飾用フィルムの概略断面図。FIG. 4 is a schematic sectional view of a conventional decorative film.
１: 固着バインダー ２: ガラス小球 ３: 反射薄膜 ４: 窪み ５: 支持体 ６: 透明保護層 ７: 粘着剤 ８: 剥離材 ９: 焦点整合層 1: fixed binder 2: glass sphere 3: reflective thin film 4: depression 5: support 6: transparent protective layer 7: adhesive 8: release material 9: focus matching layer
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G02B 5/128 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) G02B 5/128
Claims (2)
に保持されたガラス小球、および支持体とガラス小球と
の間に設けられており、ガラス小球を透過した光線を反
射する反射薄膜を有する装飾フィルムにおいて、 該ガラス小球が、５００μm以下の粒径、および２．０
以上の屈折率を有し、 前記固着バインダーへの埋没率がガラス小球の粒径の１
０〜８０％であり、 該反射薄膜は、支持体上に蒸着によって設けられた金属
薄膜であり、ガラス小球の５０％以下の深さを持ったガ
ラス小球と同心楕円状の窪みを有し、該窪みにおいてガ
ラス小球と接触しており、 さらに、ガラス小球の露出した側(表側)に透明保護層を
積層してなることを特徴とする装飾用フィルム。1. A support, a glass sphere held on a support by a fixing binder, and a reflective thin film provided between the support and the glass sphere, the light reflecting film transmitting the glass sphere. A decorative film having a glass sphere having a particle size of 500 μm or less;
Having the above refractive index, and the burying rate in the fixed binder is one of the particle diameter of the glass sphere.
The reflective thin film is a metal thin film provided on a support by vapor deposition, and has a concentric elliptical depression with a glass sphere having a depth of 50% or less of the glass sphere. A decorative film which is in contact with the glass sphere in the depression, and further comprising a transparent protective layer laminated on the exposed side (front side) of the glass sphere.
で、かつ屈折率の上限が２．５であり、前記反射薄膜の
深さの下限が前記ガラス小球の粒径の２％である、請求
項１に記載の装飾用フィルム。2. The lower limit of the particle size of the glass spherules is 30 μm.
The decorative film according to claim 1, wherein the upper limit of the refractive index is 2.5, and the lower limit of the depth of the reflective thin film is 2% of the particle diameter of the glass spherules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3200392A JP2988751B2 (en) | 1991-08-09 | 1991-08-09 | Decorative film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3200392A JP2988751B2 (en) | 1991-08-09 | 1991-08-09 | Decorative film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0545507A JPH0545507A (en) | 1993-02-23 |
| JP2988751B2 true JP2988751B2 (en) | 1999-12-13 |
Family
ID=16423567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3200392A Expired - Lifetime JP2988751B2 (en) | 1991-08-09 | 1991-08-09 | Decorative film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2988751B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10845514B2 (en) | 2014-09-30 | 2020-11-24 | 3M Innovative Properties Company | Retroreflective colored articles |
| US11413846B2 (en) | 2016-03-30 | 2022-08-16 | 3M Innovative Properties Company | Article featuring a predetermined pattern of randomly distributed microspheres and methods of making the same |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997047481A1 (en) | 1996-06-14 | 1997-12-18 | Minnesota Mining And Manufacturing Company | Display unit and methods of displaying an image |
| JPH10170710A (en) * | 1996-12-12 | 1998-06-26 | Minnesota Mining & Mfg Co <3M> | Light retroreflective sheet |
| JP2002055215A (en) * | 2000-08-09 | 2002-02-20 | Haruki Yamada | Retroreflective sheet and method for manufacturing the same |
| KR100591779B1 (en) * | 2003-03-31 | 2006-06-23 | 황건이 | Reflective sheet |
| BRPI0418341A (en) * | 2003-12-30 | 2007-05-02 | 3M Innovative Properties Co | color-changing retroreflective article and method for producing a color-changing retroreflective article |
| WO2005106541A1 (en) | 2004-04-28 | 2005-11-10 | Kiwa Chemical Industry Co., Ltd. | Hue vaiable retroreflection sheet |
| JP6599409B2 (en) * | 2017-08-09 | 2019-10-30 | 公立大学法人札幌市立大学 | Color display module and three-dimensional structure |
-
1991
- 1991-08-09 JP JP3200392A patent/JP2988751B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10845514B2 (en) | 2014-09-30 | 2020-11-24 | 3M Innovative Properties Company | Retroreflective colored articles |
| US11413846B2 (en) | 2016-03-30 | 2022-08-16 | 3M Innovative Properties Company | Article featuring a predetermined pattern of randomly distributed microspheres and methods of making the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545507A (en) | 1993-02-23 |
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