Near-infrared cut filter
作者： Hiroyuki Arishima , Hiroki Hotaka , Kazuhiko Shiono , Teppei Konishi
DOI:
关键词: Amide 、 Carboxylic acid 、 Electromagnetic shielding 、 Visible spectrum 、 Chemistry 、 Analytical chemistry 、 Benzene 、 Photochemistry 、 Substituent 、 Refractive index 、 Ring (chemistry)
摘要: There is provided a near-infrared cut filter which has visible light transmitting property and shielding both at high levels by that its transmission spectrum steep inclination in the vicinity of boundary between near-infrared, can also be sufficiently reduced size thickness. The absorbing layer contains dye containing least one condensed ring structure benzene having nitrogen atom bonded to sides squarylium skeleton have carboxylic acid amide second position (where substituent 5 25 or more branches), transparent resin with refractive index 1.45 more.
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