JP2022532717A - 高分子マトリックスの層の屈折率を調整して微小光学(mo)焦点を最適化するためのナノ粒子の使用 - Google Patents
高分子マトリックスの層の屈折率を調整して微小光学(mo)焦点を最適化するためのナノ粒子の使用 Download PDFInfo
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Abstract
Description
図8の非限定的な実施例に示されるように、合成画像800は、第2の特性色と、第1の特性色のより明るい色合い(例えば、領域803のより明るい色合いの青色)とに関連付けられた紫色の色合いである、領域813を含む。同様に、合成画像800は、第1の特性色のより明るい色合い(例えば、領域803のより明るい色合いの青色)と、第2の特性色のより明るい色合い(例えば、領域807のより明るい色合いのマゼンタ)とに関連付けられた紫色の濃淡である、領域815を含む。最後に、特定の実施形態では、合成画像800は、第1の特性色と、第2の特性色のより明るい色合い(例えば、領域807におけるより明るい色合いのマゼンタ)に関連付けられた紫色の濃淡である、領域817を含む。
図10Aの例示的な実施例に示されるように、封止層1005は、屈折集光素子配列1010を形成するために使用される材料よりも高い屈折率を有する材料から形成される。いくつかの実施形態では、封止層1005は、分散されたナノジルコニアのナノ粒子を有する芳香族官能基を有するアクリレートなどの高屈折材料から形成される。1つの非限定的な実施例として、封止層1005は、特定の実施形態において、約1.6の屈折率を有し、封止層1005は、二酸化ジルコニウムアクリレートモノマー混合物の液体ブレンド、ビスフェノールフルオレンジアクリレート及びO-フェニルフェノールエチルアクリレートのブレンド、ならびに好適な光開始剤を含むUV硬化層として形成される。
画像アイコン集光素子の焦点経路に配設された第1の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路に配設または焦点経路からオフセットされた第2の特性色に関連付けられた画像アイコンの不在と、に関連付けられた第1の色(947)と、画像アイコン集光素子の焦点経路に配設された第2の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路に配設または焦点経路からオフセットされた第1の特性色に関連付けられた画像アイコンの不在と、に関連付けられた第2の色(951)と、画像アイコン集光素子の焦点経路に配設または焦点経路からオフセットされた任意の画像アイコンの不在に関連付けられた実質的に無色の材料に関連付けられた白色を含む第3の色と、画像アイコン集光素子の焦点経路からオフセットされた第1の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路に配設または焦点経路からオフセットされた第2の特性色に関連付けられた画像アイコンの不在と、に関連付けられた第4の色(935)と、画像アイコン集光素子の焦点経路からオフセットされた第2の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路に配設または焦点経路からオフセットされた第1の特性色に関連付けられた画像アイコンの不在と、に関連付けられた第5の色(939)と、画像アイコン集光素子の焦点経路に配設された第1の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路に配設された第2の特性色に関連付けられた画像アイコンと、に関連付けられた第6の色(923)と、画像アイコン集光素子の焦点経路に配設された第1の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路からオフセットされた第2の特性色に関連付けられた画像アイコンと、に関連付けられた第7の色(931)と、画像アイコン集光素子の焦点経路に配設された第2の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路からオフセットされた第1の特性色に関連付けられた画像アイコンと、に関連付けられた第8の色(927)と、画像アイコン集光素子の焦点経路からオフセットされた第1の特性色に関連付けられた画像アイコンと、画像アイコン集光素子の焦点経路からオフセットされた第2の特性色に関連付けられた画像アイコンと、に関連付けられた第9の色(943)と、を含む、セキュリティデバイスを含む。
本開示のある特定の実施形態によるセキュリティデバイスの実施例は、第1の特性色に関連付けられた第1の画像アイコン、及び第2の特性色に関連付けられた第2の画像アイコンを備えるセキュリティデバイスであって、着色された基板の不在下で、第2の画像アイコンのサイズに対する第1の画像アイコンのサイズの比率が、画像アイコン集光素子を通して視認可能な色が、第1の特性色及び第2の特性色の9つの組合せのうちの1つではない、第10の色を含むような比率である、セキュリティデバイスを含む。
Claims (20)
- セキュリティデバイス(100、600、700、1000、1050)であって、
1つ以上の画像アイコン配列(110a、110b、615、715、1020)と、
1つ以上の屈折型の画像アイコン集光素子配列(120、605、705、1010)と、
封止層(125、600、1005)と、を備え、
前記1つ以上の屈折型の画像アイコン集光素子配列の一部が、前記1つ以上の画像アイコン配列の一部の合成画像を投影するように、前記1つ以上の屈折型の画像アイコン集光素子配列が、前記1つ以上の画像アイコン配列の上に配設され、
前記1つ以上の屈折型の画像アイコン集光素子配列が、非平面の境界に沿って前記封止層に接触し、
前記1つ以上の屈折型の画像アイコン集光素子配列及び前記封止層のうちの少なくとも1つが、第1の屈折率を有する有機樹脂混合物を含み、
前記屈折型の画像アイコン集光素子配列及び/または前記封止層のうちの少なくとも1つが、低屈折率材料を含み、前記低屈折率材料が第2の屈折率を有する、
セキュリティデバイス。 - 前記屈折型の画像アイコン集光素子配列及び前記封止層のうちの少なくとも1つが、低屈折率材料を含み、前記低屈折率材料が第2の屈折率を有し、
前記第1の屈折率と前記第2の屈折率との間の差が、0.1以上の大きさを有する、
請求項1に記載のセキュリティデバイス。 - 前記低屈折率材料が、1.3~1.4の間の屈折率を有する、請求項2に記載のセキュリティデバイス。
- 前記低屈折率材料が、1.3未満の屈折率を有する、請求項2に記載のセキュリティデバイス。
- 前記低屈折率材料が、フッ素化アクリレートまたはフッ素化ウレタンアクリレートを含む、請求項2に記載のセキュリティデバイス。
- 前記低屈折率材料が、パーフルオロポリエーテル化合物を含む、請求項2に記載のセキュリティデバイス。
- 第1の屈折率を有する前記有機樹脂混合物が、酸化アルミニウム、二酸化ジルコニウム、二酸化チタン、硫化亜鉛、またはテルル化亜鉛のナノ粒子のうちの1つ以上のナノ粒子を含む、請求項1に記載のセキュリティデバイス。
- 前記有機樹脂混合物が、アクリレートモノマーを含む、請求項1に記載のセキュリティデバイス。
- 前記有機樹脂混合物が、アクリレートオリゴマーを含む、請求項1に記載のセキュリティデバイス。
- 前記有機樹脂混合物が、フェノキシベンジルアクリレート、O-フェニルフェノキシエチルアクリレート、フェニルチオエチルアクリレート、ビス-フェニルチオエチルアクリレート、クミンフェノキシエチルアクリレート、ビフェニルメチルアクリレート、ビスフェノールAエポキシアクリレート、フルオレン型アクリレート、臭素化アクリレート、ハロゲン化アクリレート、またはメラミンアクリレートのうちの1つ以上を含む、請求項1に記載のセキュリティデバイス。
- 前記有機樹脂混合物が、イソデシルアクリレート、ジプロピレングリコールジアクリレート、トリプロピレングリコールジアクリレート、ポリエステルテトラアクリレート、トリメチルプロパントリアクリレート、またはヘキサンジオールジアクリレートのうちの1つ以上を含む、請求項1に記載のセキュリティデバイス。
- 前記有機樹脂混合物が、偏光元素を含まない、請求項1に記載のセキュリティデバイス。
- 前記封止層が、1.6以上の屈折率を有する、請求項1に記載のセキュリティデバイス。
- 前記1つ以上の屈折型の画像アイコン集光素子配列の屈折型の画像アイコン集光素子が、30ミクロンを超える直径を有する、請求項1に記載のセキュリティデバイス。
- 前記1つ以上の屈折型の画像アイコン集光素子配列の屈折型の画像アイコン集光素子が、30ミクロン未満の直径を有する、請求項1に記載のセキュリティデバイス。
- 屈折型の画像アイコン集光素子配列と画像アイコン配列との間に配設されたスペーサ層をさらに備え、
前記スペーサ層が、ナノ粒子を含む、請求項1に記載のセキュリティデバイス。 - 前記屈折型の画像アイコン集光素子配列が、前記屈折型の画像アイコン集光素子配列のレンズ面と前記スペーサ層との間に遷移領域を含む、請求項16に記載のセキュリティデバイス。
- 1つ以上の非平面の境界に沿って接触する2つ以上の屈折型の画像アイコン集光素子配列をさらに備える、請求項1に記載のセキュリティデバイス。
- 前記セキュリティデバイスが、50ミクロン以下の厚さを有する、請求項1に記載のセキュリティデバイス。
- 請求項1に記載のセキュリティデバイスを備える、セキュリティ文書(101)。
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