COMPOSITION FOR FORMING NEAR INFRARED LIGHT-CUTTING FILTER AND NEAR INFRARED LIGHT-CUTTING FILTER

PROBLEM TO BE SOLVED: To obtain a composition for forming near IR light-cutting filters, high in light transmission in a near IR light region having wavelengths of 700-1400nm. SOLUTION: This composition contains (i) a binder, (ii) metal oxide or inorganic oxide powder having a light transmittance ra...

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Bibliographische Detailangaben
Hauptverfasser:	KUNIMATSU MASAAKI, YAMAZAKI YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BLASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INKS LIGHTING MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR USE OF MATERIALS THEREFOR WEAPONS WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a composition for forming near IR light-cutting filters, high in light transmission in a near IR light region having wavelengths of 700-1400nm. SOLUTION: This composition contains (i) a binder, (ii) metal oxide or inorganic oxide powder having a light transmittance ratio [(light transmittance for light having a wavelength of 550nm)/(light transmittance for light having a wavelength of 1180nm)] of >=3, and (iii) a dye having a light transmittance ratio [light transmittance for light having a wavelength of 550nm)/(light transmittance for light having a wavelength of 740-930nm)] of >=2.7 as essential components.