LUMINOUS MOLDING

PROBLEM TO BE SOLVED: To provide a luminous molding which can obtain enough emission luminance in a dark place without compounding an excess amount of a fluorescent pigment, a phosphorescent pigment, or the like. SOLUTION: An internal layer 2 is covered with an external layer 1, and the surface of t...

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Hauptverfasser: TABATA HISANORI, HORIGUCHI YOSHIOMI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a luminous molding which can obtain enough emission luminance in a dark place without compounding an excess amount of a fluorescent pigment, a phosphorescent pigment, or the like. SOLUTION: An internal layer 2 is covered with an external layer 1, and the surface of the internal layer 1 is made a light reflection surface 21. In this way, light L1 emitted from a storage phosphor substance 3 compounded in the external layer 1 passes through a transparent thermoplastic resin 11 and is released outside. Although the molding emits light even in the night, light L2 emitted to the internal layer 2 is reflected by the surface of the internal layer 2 of the light reflection surface 21 and released outside as light L3, so that the amount of light released outside is increased to obtain an enough emission luminance. COPYRIGHT: (C)2005,JPO&NCIPI