RETROREFLECTION SHEET

PROBLEM TO BE SOLVED: To provide a green-enclosed lens-type retroreflection sheet having higher retroreflective ability than a conventional green-enclosed lens-type retroreflection sheet and high Y value, and free from generation of wrinkles after attaching the retroreflection sheet to a substrate,...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAZAWA HIROKI, OCHI KATSURA, TAKAYAMA KEIZO, TAKAMATSU TAKEO
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a green-enclosed lens-type retroreflection sheet having higher retroreflective ability than a conventional green-enclosed lens-type retroreflection sheet and high Y value, and free from generation of wrinkles after attaching the retroreflection sheet to a substrate, such as an aluminum plate or an acrylic plate. SOLUTION: The lens enclosed-type retroreflection sheet includes at least a surface protective layer, one or more holding layers holding glass spheres, glass spheres, a focus-forming layer, and a specular reflective layer. In the green lens enclosed-type retroreflection sheet, the initial hue is within a range obtained by connecting the four points in XYZ color system: (x, y)=(0.062, 0.370)(0.172, 0.328)(0.220, 0.364)(0.109, 0.450). COPYRIGHT: (C)2011,JPO&INPIT